/* =============================================
   SkillsMuse — Extreme Minimalist Design System
   Muse Family DNA (shared with URLMuse)
   Colors: white, gray, black, Muse Blue (brand primary)
   Fonts: Space Grotesk + Inter + JetBrains Mono
   No emoji. No gradients. Trust-first.
   → See DESIGN_DNA.md for full brand guidelines
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@400;500&display=swap');

/* --- Design Tokens --- */
:root {
    /* Colors */
    --white: #FFFFFF;
    --gray-50: #FAFAFA;
    --gray-100: #F5F5F5;
    --gray-200: #E5E5E5;
    --gray-300: #D4D4D4;
    --gray-400: #A3A3A3;
    --gray-500: #737373;
    --gray-600: #525252;
    --gray-700: #404040;
    --gray-800: #262626;
    --gray-900: #171717;
    --black: #0A0A0A;
    /* Accent — Muse Blue (Brand Primary, shared across Muse Family) */
    --blue-50: #EFF6FF;
    --blue-100: #DBEAFE;
    --blue-400: #60A5FA;
    --blue-500: #3B82F6;
    --blue-600: #2563EB;
    --blue-700: #1D4ED8;

    /* Semantic */
    --bg: var(--white);
    --bg-alt: var(--gray-50);
    --text-primary: var(--gray-900);
    --text-secondary: var(--gray-500);
    --text-tertiary: var(--gray-400);
    --border: var(--gray-200);
    --border-focus: var(--blue-600);
    --accent: var(--blue-600);
    --accent-hover: var(--blue-700);
    --accent-light: var(--blue-50);
    --success: #16A34A;
    --success-light: #F0FDF4;

    /* Typography */
    --font-heading: 'Space Grotesk', system-ui, sans-serif;
    --font-body: 'Inter', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', monospace;

    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-24: 6rem;

    /* Misc */
    --radius: 6px;
    --radius-lg: 8px;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.04), 0 2px 4px rgba(0, 0, 0, 0.03);
    --transition: 150ms ease;
}

/* Dark Mode Overrides */
[data-theme="dark"] {
    --bg: var(--gray-900);
    --bg-alt: var(--gray-800);
    --text-primary: var(--gray-100);
    --text-secondary: var(--gray-300);
    --text-tertiary: var(--gray-400);
    --border: var(--gray-700);
    --border-focus: var(--blue-500);
    --accent: var(--blue-500);
    --accent-hover: var(--blue-600);
    --accent-light: rgba(59, 130, 246, 0.12);
    --success-light: rgba(22, 163, 74, 0.12);
    --white: var(--gray-800);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3), 0 2px 4px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] img {
    opacity: 0.9;
}

/* Header theme toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
    background: var(--gray-100);
    border-radius: 20px;
    padding: 2px;
}

[data-theme="dark"] .theme-toggle {
    background: var(--gray-700);
}

.theme-toggle__btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 28px;
    border: none;
    border-radius: 18px;
    background: transparent;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.theme-toggle__btn:hover {
    color: var(--text-secondary);
}

.theme-toggle__btn--active {
    background: var(--white);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .theme-toggle__btn--active {
    background: var(--gray-600);
    color: var(--gray-100);
}

/* --- Reset --- */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- Header --- */
.app-header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: var(--space-3) var(--space-8);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1440px;
    margin: 0 auto;
}

.app-header__logo {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.app-header__logo-mark {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--black);
    letter-spacing: -0.02em;
}

[data-theme="dark"] .app-header__logo-mark {
    color: var(--gray-100);
}

.app-header__logo-mark span {
    color: var(--accent);
}

/* Code Ticker — animated coding strip */
.code-ticker {
    display: flex;
    align-items: center;
    flex: 1;
    min-width: 0;
    margin: 0 24px;
    gap: 10px;
    max-width: 520px;
}

.code-ticker__avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.code-ticker__track {
    flex: 1;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
    height: 24px;
    display: flex;
    align-items: center;
}

.code-ticker__scroll {
    display: flex;
    gap: 24px;
    white-space: nowrap;
    animation: ticker-scroll 30s linear infinite;
    will-change: transform;
}

.code-ticker__item {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--gray-400);
    letter-spacing: -0.02em;
    position: relative;
    padding-left: 22px;
    transition: color 0.3s ease;
}

.code-ticker__item::before {
    content: attr(data-lang);
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.55rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 1px 3px;
    border-radius: 3px;
    line-height: 1;
    letter-spacing: 0.03em;
}

/* Language-specific badge colors */
.code-ticker__item[data-lang="py"]::before {
    background: #3776AB22;
    color: #3776AB;
}

.code-ticker__item[data-lang="js"]::before {
    background: #F7DF1E22;
    color: #B8A900;
}

.code-ticker__item[data-lang="ts"]::before {
    background: #3178C622;
    color: #3178C6;
}

.code-ticker__item[data-lang="rs"]::before {
    background: #CE412B22;
    color: #CE412B;
}

.code-ticker__item[data-lang="go"]::before {
    background: #00ADD822;
    color: #00ADD8;
}

.code-ticker__item[data-lang="rb"]::before {
    background: #CC342D22;
    color: #CC342D;
}

.code-ticker__item[data-lang="sw"]::before {
    background: #FA734322;
    color: #FA7343;
}

.code-ticker__item[data-lang="kt"]::before {
    background: #7F52FF22;
    color: #7F52FF;
}

.code-ticker__item[data-lang="cpp"]::before {
    background: #00599C22;
    color: #00599C;
}

.code-ticker__item[data-lang="sql"]::before {
    background: #E4851122;
    color: #CC7700;
}

.code-ticker__scroll:hover {
    animation-play-state: paused;
}

.code-ticker__scroll:hover .code-ticker__item {
    color: var(--gray-600);
}

@keyframes ticker-scroll {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* Dark mode */
[data-theme="dark"] .code-ticker__item {
    color: var(--gray-400);
}

[data-theme="dark"] .code-ticker__scroll:hover .code-ticker__item {
    color: var(--gray-300);
}



/* Mobile: hide ticker */
@media (max-width: 768px) {
    .code-ticker {
        display: none;
    }
}

.app-header__nav {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.app-header__link {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition);
}

.app-header__link:hover {
    color: var(--text-primary);
}

.app-header__link--active {
    color: var(--text-primary);
    font-weight: 600;
}

.app-header__link--cta {
    color: #fff;
    background: var(--black);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius);
    font-weight: 500;
}

.app-header__link--cta:hover {
    color: #fff;
    background: var(--gray-800);
}

[data-theme="dark"] .app-header__link--cta {
    color: #FFFFFF;
    background: var(--gray-600);
}

[data-theme="dark"] .app-header__link--cta:hover {
    color: #FFFFFF;
    background: var(--gray-500);
}

/* Auth buttons group */
.app-header__auth {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-left: var(--space-4);
    padding-left: var(--space-4);
    border-left: 1px solid var(--border);
}

.btn--auth-signin {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.btn--auth-signin:hover {
    color: var(--text-primary);
    background: var(--gray-100);
}

[data-theme="dark"] .btn--auth-signin:hover {
    background: var(--gray-700);
}

.btn--auth-signup {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: #fff;
    background: var(--accent);
    border: none;
    cursor: pointer;
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.btn--auth-signup:hover {
    background: var(--accent-hover);
}

/* Language selector */
.lang-select {
    position: relative;
}

.lang-select__btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-1) var(--space-2);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition);
}

.lang-select__btn:hover {
    border-color: var(--gray-400);
    color: var(--text-primary);
}

.lang-select__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 120px;
    z-index: 200;
    overflow: hidden;
}

.lang-select.open .lang-select__dropdown {
    display: block;
}

.lang-select__option {
    display: block;
    width: 100%;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    transition: background var(--transition);
}

.lang-select__option:hover {
    background: var(--gray-50);
    color: var(--text-primary);
}

.lang-select__option.active {
    color: var(--accent);
    font-weight: 500;
}

/* --- Hero Section --- */
.hero {
    max-width: 1120px;
    margin: 0 auto;
    padding: var(--space-24) var(--space-8) var(--space-16);
    text-align: center;
}

.hero__badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    background: var(--accent-light);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius);
    margin-bottom: var(--space-6);
}

/* Antigravity Branding Banner */
.hero__compat {
    display: inline-flex;
    align-items: baseline;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-tertiary);
    margin-top: var(--space-4);
    letter-spacing: 0.04em;
    text-transform: lowercase;
}

/* Antigravity logo-style text treatment */
.ag-logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    text-transform: none;
    background: linear-gradient(135deg, #2D8CFF, #00C9A7, #FF6B6B);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* AG Exclusive Badge (for Explore rows & cards) */
.ag-badge {
    flex-shrink: 0;
    font-size: 0.575rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 2px 6px;
    border-radius: 4px;
    background: linear-gradient(135deg, #6366F1, #8B5CF6);
    color: #fff;
    white-space: nowrap;
}

/* Dark mode */
[data-theme="dark"] .hero__compat {
    color: var(--gray-400);
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 3.75rem);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.03em;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.hero__subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    max-width: 560px;
    margin: 0 auto var(--space-10);
}

/* --- Main Input Section --- */
.generate-section {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 var(--space-8) var(--space-16);
}

.input-group {
    position: relative;
    margin-bottom: var(--space-4);
}

.input-main {
    width: 100%;
    padding: var(--space-4) var(--space-4);
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-primary);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    resize: none;
    min-height: 44px;
    overflow: hidden;
}

.input-main:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.input-main::placeholder {
    color: var(--text-tertiary);
}

.input-label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
    display: block;
}

.input-hint {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* --- Advanced Panel (Collapsible) --- */
.advanced-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    background: none;
    border: none;
    padding: var(--space-2) 0;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color var(--transition);
    margin-bottom: var(--space-3);
}

.advanced-toggle:hover {
    color: var(--text-primary);
}

.advanced-toggle__arrow {
    display: inline-block;
    transition: transform var(--transition);
    font-size: 0.625rem;
}

.advanced-toggle.open .advanced-toggle__arrow {
    transform: rotate(90deg);
}

.advanced-panel {
    display: none;
    padding: var(--space-4);
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-6);
}

.advanced-panel.open {
    display: block;
    animation: fadeIn 200ms ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.advanced-panel__row {
    margin-bottom: var(--space-4);
}

.advanced-panel__row:last-child {
    margin-bottom: 0;
}

/* --- Tags Input --- */
.tags-input {
    width: 100%;
    padding: var(--space-3);
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition);
}

.tags-input:focus {
    border-color: var(--accent);
}

/* --- Radio Group --- */
.radio-group {
    display: flex;
    gap: var(--space-4);
}

.radio-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.radio-item input[type="radio"] {
    appearance: none;
    width: 16px;
    height: 16px;
    border: 1.5px solid var(--gray-400);
    border-radius: 50%;
    position: relative;
    cursor: pointer;
    transition: border-color var(--transition);
}

.radio-item input[type="radio"]:checked {
    border-color: var(--accent);
}

.radio-item input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.radio-item input[type="radio"]:checked+.radio-label {
    color: var(--text-primary);
}

.radio-label {
    font-weight: 500;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    padding: var(--space-3) var(--space-6);
    border-radius: var(--radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    line-height: 1;
}

.btn--primary {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    width: 100%;
    padding: var(--space-4) var(--space-6);
    font-size: 0.9375rem;
}

.btn--primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.btn--secondary {
    background: var(--white);
    color: var(--text-primary);
    border-color: var(--border);
}

.btn--secondary:hover {
    border-color: var(--gray-400);
}

.btn--ghost {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    padding: var(--space-2) var(--space-3);
}

.btn--ghost:hover {
    color: var(--text-primary);
    background: var(--gray-100);
}

[data-theme="dark"] .btn--ghost:hover {
    background: rgba(255, 255, 255, 0.06);
}

.btn--disabled {
    opacity: 1;
    cursor: not-allowed;
    background: var(--blue-100) !important;
    color: var(--blue-700) !important;
    border-color: var(--blue-100) !important;
}

[data-theme="dark"] .btn--disabled {
    background: #1E3A5F !important;
    color: #93C5FD !important;
    border-color: #1E3A5F !important;
}

/* Disabled button tooltip */
.btn-disabled-tooltip {
    position: relative;
    margin-top: var(--space-2);
    padding: 10px 16px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--blue-700);
    background: var(--blue-50);
    border: 1px solid var(--blue-100);
    border-radius: var(--radius);
    text-align: center;
    animation: tooltipSlideIn 0.25s ease-out;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

[data-theme="dark"] .btn-disabled-tooltip {
    color: #93C5FD;
    background: rgba(30, 58, 95, 0.6);
    border-color: rgba(59, 130, 246, 0.2);
}

@keyframes tooltipSlideIn {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Input highlight when disabled button clicked */
.input-highlight {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2) !important;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="dark"] .input-highlight {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.25) !important;
}

.btn-group {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.btn-group .btn {
    flex: 1;
}

/* --- OR Divider --- */
.divider {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin: var(--space-8) 0;
    color: var(--text-tertiary);
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.divider::before,
.divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* --- Preset Cards Grid --- */
.preset-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-3);
}

@media (max-width: 768px) {
    .preset-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .preset-grid {
        grid-template-columns: 1fr;
    }
}

.preset-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-4) var(--space-4);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
}

.preset-card:hover {
    border-color: var(--gray-400);
    box-shadow: var(--shadow-md);
}

.preset-card.selected {
    border-color: var(--accent);
    background: var(--accent-light);
}

.preset-card__name {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--text-primary);
}

.preset-card__desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* --- Progress Bar --- */
.progress-bar {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    padding: var(--space-4) var(--space-6);
    background: var(--white);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 57px;
    z-index: 99;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-tertiary);
    transition: color var(--transition);
}

.progress-step.active {
    color: var(--accent);
}

.progress-step.done {
    color: var(--success);
}

.progress-step__number {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--gray-100);
    color: var(--text-tertiary);
    transition: all var(--transition);
}

.progress-step.active .progress-step__number {
    background: var(--accent);
    color: #fff;
}

.progress-step.done .progress-step__number {
    background: var(--success);
    color: #fff;
}

.progress-step__label {
    display: none;
}

@media (min-width: 600px) {
    .progress-step__label {
        display: inline;
    }
}

.progress-connector {
    width: 32px;
    height: 1px;
    background: var(--border);
    margin: 0 var(--space-2);
}

.progress-connector.done {
    background: var(--success);
}

/* --- Step Sections --- */
.main-container {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-8) var(--space-8) var(--space-24);
}

.step-section {
    display: none;
    animation: fadeIn 300ms ease;
    scroll-margin-top: 80px;
}

.step-section.active {
    display: block;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-2);
    text-align: center;
    color: var(--text-primary);
}

.step-subtitle {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: var(--space-8);
}

/* --- Options (Step 2) --- */
.options-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin-top: var(--space-4);
}

.option-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-3) var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.875rem;
}

.option-item:hover {
    border-color: var(--gray-400);
}

.option-item.checked {
    border-color: var(--accent);
    background: var(--accent-light);
}

.option-checkbox {
    width: 18px;
    height: 18px;
    border: 1.5px solid var(--gray-400);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6875rem;
    flex-shrink: 0;
    transition: all var(--transition);
    background: var(--white);
    color: transparent;
}

.option-item.checked .option-checkbox {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.option-label {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

/* --- Selected Summary --- */
.selected-summary {
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.selected-summary__info {
    flex: 1;
}

.selected-summary__name {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
}

.selected-summary__desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

[data-theme="dark"] .selected-summary {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .selected-summary__name {
    color: #f1f5f9;
}

[data-theme="dark"] .selected-summary__desc {
    color: #94a3b8;
}

/* --- Preview (Step 3) --- */
.preview-section {
    margin-bottom: var(--space-6);
}

.preview-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.preview-card__header {
    background: var(--gray-900);
    color: #fff;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
}

.preview-file-tree {
    padding: var(--space-3) var(--space-4);
}

.tree-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) 0;
    font-size: 0.8125rem;
    font-family: var(--font-mono);
}

.tree-item--folder {
    font-weight: 600;
    color: var(--accent);
}

.tree-item--file {
    color: var(--text-primary);
}

.tree-indent {
    display: inline-block;
    width: 16px;
    flex-shrink: 0;
}

.tree-icon {
    flex-shrink: 0;
    font-size: 0.875rem;
}

.tree-desc {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-left: auto;
    font-family: var(--font-body);
}

/* --- SKILL.md Preview --- */
.skill-preview {
    background: var(--gray-900);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-3);
    max-height: 300px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.08) transparent;
}

.skill-preview:hover {
    scrollbar-color: rgba(255, 255, 255, 0.18) transparent;
}

.skill-preview::-webkit-scrollbar {
    width: 4px;
}

.skill-preview::-webkit-scrollbar-track {
    background: transparent;
}

.skill-preview::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 4px;
}

.skill-preview:hover::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.18);
}

.skill-preview pre {
    color: var(--gray-300);
    font-size: 0.8125rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-break: break-word;
    font-family: var(--font-mono);
}

.skill-preview-toggle {
    margin-top: var(--space-3);
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    width: 100%;
    transition: all var(--transition);
}

.skill-preview-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* --- Install Guide --- */
.install-guide {
    background: var(--bg-alt, var(--gray-50));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-4);
    margin-top: var(--space-4);
}

.install-guide__title {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.install-step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    padding: var(--space-2) 0;
}

.install-step+.install-step {
    border-top: 1px solid var(--border);
}

.install-step__number {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.6875rem;
    flex-shrink: 0;
    margin-top: 1px;
}

.install-step__text {
    font-size: 0.8125rem;
    font-weight: 500;
    line-height: 1.5;
    color: var(--text-primary);
}

.install-step__tip {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* Install Guide — Dark mode */
[data-theme="dark"] .install-guide {
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .install-step+.install-step {
    border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .install-step__number {
    background: rgba(255, 255, 255, 0.08);
    color: var(--gray-400);
}

/* --- Success Screen --- */
.success-screen {
    text-align: center;
    padding: var(--space-12) var(--space-4);
}

.success-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--success-light);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-4);
    font-size: 1.25rem;
}

.success-icon svg {
    width: 24px;
    height: 24px;
}

.success-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--text-primary);
}

.success-message {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-8);
    line-height: 1.6;
}

/* --- Custom Input Section --- */
.custom-input-section {
    margin-top: var(--space-6);
}

.custom-input__box {
    background: var(--white);
    border: 1px dashed var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    transition: all var(--transition);
}

[data-theme="dark"] .custom-input__box {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

.custom-input__box:focus-within,
.custom-input__box.active {
    border-color: var(--accent);
    border-style: solid;
    background: var(--accent-light);
}

.custom-input__label {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

/* --- Structured Custom Fields --- */
.custom-field {
    margin-bottom: var(--space-4);
}

.custom-field:last-child {
    margin-bottom: 0;
}

.custom-field__label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.custom-field__required {
    color: var(--accent);
    font-weight: 600;
}

.custom-field__input,
.custom-field__textarea,
.custom-field__select {
    width: 100%;
    padding: var(--space-2) var(--space-3);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg);
    transition: border-color var(--transition);
    outline: none;
}

.custom-field__textarea {
    min-height: 80px;
    resize: vertical;
}

.custom-field__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%236B7280' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: var(--space-8);
    cursor: pointer;
}

.custom-field__input:focus,
.custom-field__textarea:focus,
.custom-field__select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.custom-field__input::placeholder,
.custom-field__textarea::placeholder {
    color: var(--text-tertiary);
}

.custom-field__input--honorific {
    margin-top: var(--space-2);
}

.custom-field__hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--space-1);
}

/* Toggle field layout */
.custom-field--toggle {
    padding-top: var(--space-3);
    border-top: 1px solid var(--border);
}

.custom-field__toggle-wrap {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.custom-field__toggle-wrap .custom-field__label {
    margin-bottom: 0;
}

/* Toggle switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-switch__slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--gray-300);
    border-radius: 24px;
    transition: background 0.2s ease;
}

.toggle-switch__slider::before {
    content: '';
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: var(--white);
    border-radius: 50%;
    transition: transform 0.2s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.toggle-switch input:checked+.toggle-switch__slider {
    background: var(--accent);
}

.toggle-switch input:checked+.toggle-switch__slider::before {
    transform: translateX(20px);
}

/* Muse Expression Preview Circles */
.muse-expressions {
    display: flex;
    gap: 6px;
    margin-top: 10px;
    padding: 16px 4px;
    justify-content: center;
    transition: opacity 0.4s ease, max-height 0.4s ease;
    max-height: 100px;
    overflow: visible;
}

.muse-expressions.hidden {
    opacity: 0;
    max-height: 0;
    margin: 0;
    padding: 0;
    pointer-events: none;
}

.muse-expr-circle {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    object-fit: cover;
    opacity: 0.55;
    filter: grayscale(40%);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: 1px solid transparent;
}

.muse-expr-circle:hover {
    opacity: 1;
    filter: grayscale(0%);
    transform: scale(1.35);
    border-color: var(--gray-500);
    box-shadow: 0 1px 6px rgba(0, 0, 0, 0.08);
    z-index: 2;
}

/* Dark mode adjustments */
[data-theme="dark"] .muse-expr-circle {
    opacity: 0.45;
    filter: grayscale(50%) brightness(0.85);
}

[data-theme="dark"] .muse-expr-circle:hover {
    opacity: 1;
    filter: grayscale(0%) brightness(1);
    box-shadow: 0 2px 12px rgba(96, 165, 250, 0.35);
}

/* Segment control (Day/Night pill toggle) */
.segment-control {
    display: flex;
    background: var(--gray-100);
    border-radius: 20px;
    padding: 2px;
    gap: 2px;
}

.segment-control__item {
    cursor: pointer;
}

.segment-control__item input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.segment-control__label {
    display: block;
    padding: 4px 16px;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    border-radius: 18px;
    transition: all 0.2s ease;
    user-select: none;
}

.segment-control__item input:checked+.segment-control__label {
    background: var(--white);
    color: var(--text-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* --- Quick Skill Sidebar --- */
.quick-sidebar {
    position: fixed;
    top: 100px;
    bottom: var(--sidebar-bottom, 0px);
    width: 210px;
    z-index: 50;
    display: flex;
    flex-direction: column;
    gap: 8px;
    transition: opacity 0.3s ease;
    overflow: hidden;
}

.quick-sidebar--left {
    left: 40px;
}

.quick-sidebar--right {
    right: 40px;
}

.quick-sidebar__header {
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    padding: 0 4px 4px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.quick-sidebar__icon {
    font-size: 0.8125rem;
}

.quick-sidebar__cards {
    display: flex;
    flex-direction: column;
    gap: 6px;
    overflow-y: auto;
    padding-right: 4px;
    scrollbar-width: thin;
    scrollbar-color: rgba(128, 128, 128, 0.2) transparent;
    flex: 1;
    min-height: 0;
}

.quick-sidebar__cards::-webkit-scrollbar {
    width: 4px;
}

.quick-sidebar__cards::-webkit-scrollbar-thumb {
    background: rgba(128, 128, 128, 0.25);
    border-radius: 4px;
}

[data-theme="dark"] .quick-sidebar__cards {
    scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
}

[data-theme="dark"] .quick-sidebar__cards::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
}

/* Quick Card */
.quick-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    flex-shrink: 0;
}

.quick-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.03), transparent);
    opacity: 0;
    transition: opacity 0.2s ease;
}

.quick-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.08);
    transform: translateY(-1px);
}

.quick-card:hover::before {
    opacity: 1;
}

.quick-card__name {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 4px;
    line-height: 1.3;
}

.quick-card__desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.35;
    margin-bottom: 8px;
}

.quick-card__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 4px;
}

/* Muse / Pure Badge */
.quick-card__badge {
    display: inline-flex;
    align-items: center;
    gap: 2px;
    font-family: var(--font-heading);
    font-size: 0.5625rem;
    font-weight: 600;
    padding: 1px 6px;
    border-radius: 100px;
    letter-spacing: 0.02em;
    line-height: 1.6;
}

.quick-card__badge--muse {
    color: #16a34a;
    background: #f0fdf4;
    border: 1px solid #dcfce7;
}

.quick-card__badge--pure {
    color: var(--text-tertiary);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
}

/* Download count */
.quick-card__downloads {
    font-family: var(--font-mono);
    font-size: 0.5625rem;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    gap: 2px;
}

.quick-card__downloads::before {
    content: '⬇';
    font-size: 0.5rem;
}

/* Dark mode */
[data-theme="dark"] .quick-card {
    background: var(--gray-800);
    border-color: var(--gray-700);
}

[data-theme="dark"] .quick-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.12);
}

[data-theme="dark"] .quick-card::before {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), transparent);
}

[data-theme="dark"] .quick-card__badge--muse {
    color: #86efac;
    background: rgba(22, 163, 74, 0.2);
    border-color: rgba(22, 163, 74, 0.35);
}

[data-theme="dark"] .quick-card__badge--pure {
    color: var(--gray-300);
    background: rgba(163, 163, 163, 0.15);
    border-color: var(--gray-500);
}

/* Responsive: hide on narrow screens */
@media (max-width: 1440px) {
    .quick-sidebar {
        width: 160px;
    }
}

@media (max-width: 1280px) {
    .quick-sidebar {
        display: none;
    }
}

/* --- Footer --- */
/* === Footer === */
.app-footer {
    border-top: 1px solid var(--border);
    margin-top: var(--space-8);
}

/* CTA Bar */
.app-footer__cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-6) var(--space-8);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.06), rgba(59, 130, 246, 0.02));
    border-bottom: 1px solid var(--border);
    text-align: center;
}

.app-footer__cta-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.app-footer__cta-btn {
    padding: 0.5rem 1.25rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 0.8125rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    font-family: 'Inter', sans-serif;
}

.app-footer__cta-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

/* Grid */
.app-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-8);
    padding: var(--space-8);
    max-width: 1100px;
    margin: 0 auto;
}

/* Brand Column */
.app-footer__logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.app-footer__tagline {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    margin: 0 0 var(--space-4);
    max-width: 280px;
}

/* Social Icons */
.app-footer__social {
    display: flex;
    gap: var(--space-3);
}

.app-footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius);
    color: var(--text-tertiary);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.app-footer__social-link:hover {
    color: var(--accent);
    border-color: var(--accent);
    background: var(--accent-light);
}

/* Link Columns */
.app-footer__col-title {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin: 0 0 var(--space-4);
}

.app-footer__links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.app-footer__links a {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition);
    display: inline-block;
    padding: 2px 0;
}

.app-footer__links a:hover {
    color: var(--accent);
}

/* Muse Family Bar */
.app-footer__family {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-6);
    padding: var(--space-4) var(--space-8);
    border-top: 1px solid var(--border);
}

.app-footer__family-label {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
}

.app-footer__family-links {
    display: flex;
    gap: var(--space-4);
}

.app-footer__family-link {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition);
}

.app-footer__family-link:hover {
    color: var(--accent);
}

.app-footer__family-link--active {
    color: var(--accent);
    font-weight: 600;
}

/* Meta Bar */
.app-footer__meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-8);
    border-top: 1px solid var(--border);
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

.app-footer__status {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.app-footer__status-dot {
    width: 6px;
    height: 6px;
    background: #16a34a;
    border-radius: 50%;
    animation: footerPulse 2s ease-in-out infinite;
}

@keyframes footerPulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.app-footer__version {
    padding: 1px 6px;
    background: var(--accent-light);
    color: var(--accent);
    border-radius: 4px;
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Footer Dark Mode */
[data-theme="dark"] .app-footer__cta {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(59, 130, 246, 0.03));
}

[data-theme="dark"] .app-footer__cta-btn:hover {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.35);
}

/* Footer Responsive */
@media (max-width: 768px) {
    .app-footer__cta {
        flex-direction: column;
        text-align: center;
        padding: var(--space-6);
    }

    .app-footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-6);
        padding: var(--space-6);
    }

    .app-footer__col--brand {
        grid-column: 1 / -1;
    }

    .app-footer__meta {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
        padding: var(--space-4) var(--space-6);
    }
}

@media (max-width: 480px) {
    .app-footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }

    .app-footer__family {
        flex-direction: column;
        gap: var(--space-2);
    }
}

/* --- Utilities --- */
.mt-4 {
    margin-top: var(--space-4);
}

.mt-6 {
    margin-top: var(--space-6);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mt-16 {
    margin-top: var(--space-16);
}

.text-center {
    text-align: center;
}

/* --- Responsive --- */
@media (max-width: 640px) {
    .hero {
        padding: var(--space-12) var(--space-4) var(--space-8);
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1rem;
    }

    .generate-section {
        padding: 0 var(--space-4) var(--space-8);
    }

    .main-container {
        padding: var(--space-6) var(--space-4) var(--space-16);
    }

    .app-header__nav {
        gap: var(--space-3);
    }

    .app-header__link {
        font-size: 0.8125rem;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.75rem;
    }

    .app-header__link--hide-mobile {
        display: none;
    }

    .radio-group {
        flex-direction: column;
        gap: var(--space-3);
    }
}

/* --- Download button subtle pulse --- */
@keyframes subtlePulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.2);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(59, 130, 246, 0);
    }
}

.btn--download {
    animation: subtlePulse 2s infinite;
}

/* ================================
   Analysis Result Panel
   ================================ */

.analysis-section {
    max-width: 900px;
    margin: 0 auto;
}

.analysis-card {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-6);
    margin-top: var(--space-4);
    transition: all 0.3s ease;
}

.analysis-card:hover {
    border-color: var(--accent);
}

/* Loading */
.analysis-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-8) 0;
}

.analysis-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.analysis-loading-text {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Results */
.analysis-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-4);
}

.analysis-row {
    margin-bottom: var(--space-4);
}

.analysis-label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-2);
}

/* Tech stack tags */
.analysis-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.analysis-tag {
    display: inline-block;
    padding: 4px 10px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-light);
    border: 1px solid var(--blue-100);
    border-radius: 100px;
    white-space: nowrap;
}

/* Category display */
.analysis-category {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.analysis-cat-name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.analysis-confidence {
    display: inline-block;
    padding: 2px 8px;
    font-family: var(--font-body);
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--success);
    background: var(--success-light);
    border-radius: 100px;
}

/* Options checkboxes */
.analysis-options {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.analysis-option {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--text-primary);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.15s ease;
    user-select: none;
}

.analysis-option:hover {
    border-color: var(--accent);
    background: var(--accent-light);
}

.analysis-option input[type="checkbox"] {
    accent-color: var(--accent);
    width: 14px;
    height: 14px;
}

.analysis-option.checked {
    border-color: var(--accent);
    background: var(--accent-light);
}

/* Analysis generate button */
#btn-analysis-generate {
    margin-top: var(--space-4);
    width: 100%;
}

/* No results fallback */
.analysis-no-url {
    text-align: center;
    padding: var(--space-4) 0;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.875rem;
}

.analysis-no-url strong {
    color: var(--text-primary);
}

/* ═══════════════════════════════════════════════════
   Skills Section
   ═══════════════════════════════════════════════════ */

.skills-section {
    padding: var(--space-24) var(--space-8);
    border-top: 1px solid var(--border);
}

.pricing-section {
    padding: var(--space-8) var(--space-8) var(--space-24);
}

.section-container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 var(--space-8);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-12);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.section-subtitle {
    font-family: var(--font-body);
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
}

/* Skills Grid — 3 columns (720px container) */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.skill-category-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding: var(--space-6);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg);
    cursor: pointer;
    transition: all 200ms ease;
    position: relative;
}

.skill-category-card:hover {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.08);
    transform: translateY(-2px);
}

.skill-category-card.selected {
    border-color: var(--accent);
    background: var(--accent-light, rgba(59, 130, 246, 0.06));
    box-shadow: 0 0 0 2px var(--accent);
}

.skill-category-card__icon {
    font-size: 2rem;
    line-height: 1;
}

.skill-category-card__content {
    flex: 1;
}

.skill-category-card__name {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.skill-category-card__desc {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.skill-category-card__meta {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.skill-category-card__count {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.skill-category-card__badge {
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 100px;
    letter-spacing: 0.01em;
}

.skill-category-card__badge--hot {
    background: #FEF2F2;
    color: #DC2626;
}

.skill-category-card__badge--popular {
    background: #FEF9C3;
    color: #A16207;
}

.skill-category-card__badge--new {
    background: #F0FDF4;
    color: #16A34A;
}

[data-theme="dark"] .skill-category-card__badge--hot {
    background: rgba(220, 38, 38, 0.15);
    color: #FCA5A5;
}

[data-theme="dark"] .skill-category-card__badge--popular {
    background: rgba(161, 98, 7, 0.15);
    color: #FDE047;
}

[data-theme="dark"] .skill-category-card__badge--new {
    background: rgba(22, 163, 74, 0.15);
    color: #86EFAC;
}

/* Expand Arrow */
.skill-category-card__expand {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    color: var(--text-tertiary);
    transition: transform 200ms ease, color 200ms ease;
}

.skill-category-card:hover .skill-category-card__expand {
    color: var(--accent);
}

.skill-category-card--expanded .skill-category-card__expand {
    transform: rotate(180deg);
    color: var(--accent);
}

.skill-category-card--expanded {
    border-color: var(--accent);
    box-shadow: 0 4px 16px rgba(59, 130, 246, 0.08);
}

/* ═══════════════════════════════════════════
   Skill Detail Panel (slide-down)
   ═══════════════════════════════════════════ */
.skill-detail-panel {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    margin-top: var(--space-4);
    padding: var(--space-6);
    animation: panelSlideDown 250ms ease forwards;
}

@keyframes panelSlideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skill-detail-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.skill-detail-panel__title {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.skill-detail-panel__close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius);
    transition: all var(--transition);
}

.skill-detail-panel__close:hover {
    color: var(--text-primary);
    background: var(--gray-100);
}

[data-theme="dark"] .skill-detail-panel__close:hover {
    background: var(--gray-700);
}

.skill-detail-panel__subtitle {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-4);
}

/* Skill list items */
.skill-detail-panel__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.skill-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-alt);
    transition: all 150ms ease;
}

.skill-item:hover {
    border-color: var(--accent);
    background: var(--accent-light);
}

.skill-item__icon {
    font-size: 1.25rem;
    flex-shrink: 0;
}

.skill-item__info {
    flex: 1;
    min-width: 0;
}

.skill-item__name {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.skill-item__desc {
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.skill-item__badge {
    font-family: var(--font-heading);
    font-size: 0.625rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 100px;
    color: #16A34A;
    background: #F0FDF4;
    border: 1px solid #DCFCE7;
    white-space: nowrap;
}

[data-theme="dark"] .skill-item__badge {
    color: #86EFAC;
    background: rgba(22, 163, 74, 0.15);
    border-color: rgba(22, 163, 74, 0.3);
}

/* Generate Similar button */
.skill-detail-panel__actions {
    padding-top: var(--space-2);
}

.skill-detail-panel__generate {
    width: 100%;
    justify-content: center;
    gap: var(--space-2);
}

/* ═══════════════════════════════════════════════════
   Pricing Section
   ═══════════════════════════════════════════════════ */

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    align-items: start;
}

.pricing-card {
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg);
    padding: var(--space-8);
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all 200ms ease;
}

.pricing-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Featured card (Pro) — accent border + glow */
.pricing-card--featured {
    border-color: var(--accent);
    border-width: 2px;
    box-shadow: 0 4px 24px rgba(59, 130, 246, 0.12);
}

.pricing-card__badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    padding: 4px 16px;
    border-radius: 100px;
    white-space: nowrap;
}

.pricing-card__header {
    text-align: center;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-6);
    border-bottom: 1px solid var(--border);
}

.pricing-card__name {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-3);
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: var(--space-1);
    margin-bottom: var(--space-2);
}

.pricing-card__amount {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
}

.pricing-card__period {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.pricing-card__desc {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.pricing-card__features {
    list-style: none;
    flex: 1;
    margin-bottom: var(--space-6);
}

.pricing-card__feature {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-primary);
}

.pricing-card__feature--disabled {
    color: var(--text-tertiary);
}

.pricing-card__check {
    font-size: 0.875rem;
    color: #16A34A;
    font-weight: 600;
    flex-shrink: 0;
    width: 18px;
    text-align: center;
}

.pricing-card__feature--disabled .pricing-card__check {
    color: var(--text-tertiary);
}

.pricing-card__btn {
    width: 100%;
    text-align: center;
    justify-content: center;
}

/* ═══════════════════════════════════════════════════
   Responsive — Skills & Pricing
   ═══════════════════════════════════════════════════ */

@media (max-width: 900px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Stack Team card full-width if only 3 */
    .pricing-grid .pricing-card:last-child:nth-child(odd) {
        grid-column: span 2;
        max-width: 400px;
        justify-self: center;
    }
}

@media (max-width: 600px) {

    .skills-section,
    .pricing-section {
        padding: var(--space-16) var(--space-4);
    }

    .section-title {
        font-size: 1.5rem;
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }

    .skill-category-card {
        flex-direction: row;
        align-items: center;
        padding: var(--space-4);
    }

    .skill-category-card__icon {
        font-size: 1.5rem;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-grid .pricing-card:last-child:nth-child(odd) {
        grid-column: span 1;
        max-width: none;
    }

    .pricing-card {
        padding: var(--space-6);
    }

    .pricing-card__amount {
        font-size: 2rem;
    }
}

/* ═══════════════════════════════════════════
   Skill Preview Modal
   ═══════════════════════════════════════════ */

.skill-preview-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.skill-preview-modal.open {
    display: flex;
    animation: fadeIn 200ms ease;
}

.skill-preview-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.skill-preview-modal__card {
    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-8);
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    z-index: 1;
    animation: modalSlideUp 250ms ease;
}

[data-theme="dark"] .skill-preview-modal__card {
    background: var(--gray-900);
    border-color: var(--gray-700);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

@keyframes modalSlideUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.skill-preview-modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition);
    z-index: 2;
}

.skill-preview-modal__close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

[data-theme="dark"] .skill-preview-modal__close:hover {
    background: var(--gray-700);
}

/* Header */
.sp-header {
    margin-bottom: var(--space-6);
    padding-right: var(--space-8);
}

.sp-header__badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.625rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 100px;
    margin-bottom: var(--space-2);
}

.sp-header__badge--muse {
    color: var(--accent);
    background: var(--accent-light);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.sp-header__badge--pure {
    color: #16A34A;
    background: #F0FDF4;
    border: 1px solid #DCFCE7;
}

[data-theme="dark"] .sp-header__badge--pure {
    color: #86EFAC;
    background: rgba(22, 163, 74, 0.15);
    border-color: rgba(22, 163, 74, 0.3);
}

.sp-header__name {
    font-family: var(--font-heading);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
    letter-spacing: -0.02em;
}

.sp-header__desc {
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.sp-header__meta {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-top: var(--space-3);
    font-family: var(--font-body);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.sp-header__meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Section titles */
.sp-section {
    margin-bottom: var(--space-6);
}

.sp-section__title {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-3);
}

/* File tree */
.sp-tree {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    line-height: 1.8;
    color: var(--text-secondary);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-4);
    max-height: 200px;
    overflow-y: auto;
}

.sp-tree__item {
    padding-left: var(--space-1);
}

.sp-tree__item--dir {
    color: var(--accent);
    font-weight: 500;
}

/* SKILL.md code preview */
.sp-code {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-4);
    max-height: 180px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Install guide */
.sp-install {
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.6;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: var(--space-4);
}

.sp-install__step {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.sp-install__step:last-child {
    margin-bottom: 0;
}

.sp-install__num {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 600;
    border-radius: 50%;
}

/* Feature tags */
.sp-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.sp-feature-tag {
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 100px;
    color: var(--text-secondary);
    background: var(--bg-alt);
    border: 1px solid var(--border);
}

/* Social actions (like + share) */
.sp-social {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) 0;
    border-top: 1px solid var(--border);
    margin-bottom: var(--space-4);
}

.sp-social__btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    background: none;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

.sp-social__btn:hover {
    color: var(--text-primary);
    border-color: var(--gray-400);
    background: var(--bg-alt);
}

.sp-social__btn--liked {
    color: #EF4444;
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.05);
}

.sp-social__btn--liked:hover {
    color: #DC2626;
    border-color: rgba(239, 68, 68, 0.5);
    background: rgba(239, 68, 68, 0.1);
}

[data-theme="dark"] .sp-social__btn:hover {
    background: var(--gray-800);
    border-color: var(--gray-500);
}

.sp-social__count {
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

/* Download button */
.sp-download {
    width: 100%;
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    margin-bottom: var(--space-4);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
}

.sp-download:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.sp-download:active {
    transform: translateY(0);
}

.sp-download--loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Related skills */
.sp-related {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.sp-related__item {
    font-family: var(--font-heading);
    font-size: 0.6875rem;
    font-weight: 500;
    padding: 4px 12px;
    border-radius: var(--radius);
    color: var(--accent);
    background: var(--accent-light);
    border: 1px solid rgba(59, 130, 246, 0.15);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.sp-related__item:hover {
    background: rgba(59, 130, 246, 0.15);
    border-color: rgba(59, 130, 246, 0.3);
}

/* Scrollbar styling for modal */
.skill-preview-modal__card::-webkit-scrollbar {
    width: 4px;
}

.skill-preview-modal__card::-webkit-scrollbar-track {
    background: transparent;
}

.skill-preview-modal__card::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 100px;
}

[data-theme="dark"] .skill-preview-modal__card::-webkit-scrollbar-thumb {
    background: var(--gray-600);
}

.sp-tree::-webkit-scrollbar,
.sp-code::-webkit-scrollbar {
    width: 3px;
}

.sp-tree::-webkit-scrollbar-thumb,
.sp-code::-webkit-scrollbar-thumb {
    background: var(--gray-300);
    border-radius: 100px;
}

/* ═══ Responsive: Skill Preview Modal ═══ */
@media (max-width: 600px) {
    .skill-preview-modal__card {
        max-width: none;
        margin: var(--space-3);
        padding: var(--space-6);
        max-height: 90vh;
    }

    .sp-header__name {
        font-size: 1.125rem;
    }

    .sp-social {
        flex-wrap: wrap;
    }
}

/* ═══════════════════════════════════════════
   Auth Modal
   ═══════════════════════════════════════════ */

.auth-modal {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.auth-modal.open {
    display: flex;
    animation: fadeIn 200ms ease;
}

.auth-modal__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.auth-modal__card {
    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: var(--space-8);
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
    z-index: 1;
}

[data-theme="dark"] .auth-modal__card {
    background: var(--gray-900);
    border-color: var(--gray-700);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.auth-modal__close {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition);
}

.auth-modal__close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

[data-theme="dark"] .auth-modal__close:hover {
    background: var(--gray-700);
}

.auth-modal__brand {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--space-6);
    letter-spacing: -0.02em;
}

.auth-modal__brand span {
    color: var(--accent);
}

/* Tabs */
.auth-modal__tabs {
    display: flex;
    gap: var(--space-1);
    background: var(--gray-100);
    border-radius: var(--radius);
    padding: 3px;
    margin-bottom: var(--space-6);
}

[data-theme="dark"] .auth-modal__tabs {
    background: var(--gray-800);
}

.auth-modal__tab {
    flex: 1;
    padding: var(--space-2) var(--space-4);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-radius: calc(var(--radius) - 2px);
    cursor: pointer;
    transition: all var(--transition);
}

.auth-modal__tab:hover {
    color: var(--text-primary);
}

.auth-modal__tab--active {
    background: var(--bg);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .auth-modal__tab--active {
    background: var(--gray-700);
    color: var(--gray-100);
}

/* Form */
.auth-modal__form {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.auth-modal__field {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
}

.auth-modal__label {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
}

.auth-modal__input-wrap {
    position: relative;
}

.auth-modal__input {
    width: 100%;
    padding: var(--space-3);
    font-family: var(--font-body);
    font-size: 0.875rem;
    color: var(--text-primary);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.auth-modal__input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.auth-modal__input::placeholder {
    color: var(--text-tertiary);
}

.auth-modal__error {
    font-size: 0.75rem;
    color: #EF4444;
    display: none;
    margin-top: 2px;
}

.auth-modal__forgot {
    text-align: right;
    margin-top: calc(-1 * var(--space-2));
}

.auth-modal__forgot a {
    font-size: 0.75rem;
    color: var(--accent);
    text-decoration: none;
}

.auth-modal__forgot a:hover {
    text-decoration: underline;
}

/* Submit */
.auth-modal__submit {
    width: 100%;
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background var(--transition);
    margin-top: var(--space-2);
}

.auth-modal__submit:hover {
    background: var(--accent-hover);
}

.auth-modal__submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Social divider */
.auth-modal__divider {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin: var(--space-6) 0;
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.auth-modal__divider::before,
.auth-modal__divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Social buttons */
.auth-modal__social {
    display: flex;
    gap: var(--space-3);
}

.auth-modal__social-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    background: var(--bg);
    color: var(--text-primary);
}

.auth-modal__social-btn:hover {
    border-color: var(--gray-400);
    box-shadow: var(--shadow-sm);
}

[data-theme="dark"] .auth-modal__social-btn {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

[data-theme="dark"] .auth-modal__social-btn:hover {
    border-color: var(--gray-500);
}

/* Footer */
.auth-modal__footer {
    text-align: center;
    margin-top: var(--space-6);
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    line-height: 1.5;
}

/* ═══════════════════════════════════════════
   Auth User Profile (Header)
   ═══════════════════════════════════════════ */

.auth-user {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    cursor: pointer;
    position: relative;
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius);
    transition: background var(--transition);
}

.auth-user:hover {
    background: var(--gray-100);
}

[data-theme="dark"] .auth-user:hover {
    background: var(--gray-700);
}

.auth-user__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
}

.auth-user__name {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.auth-user__dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-md);
    min-width: 180px;
    z-index: 200;
    overflow: hidden;
}

[data-theme="dark"] .auth-user__dropdown {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

.auth-user.open .auth-user__dropdown {
    display: block;
    animation: fadeIn 150ms ease;
}

.auth-user__item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    text-align: left;
    text-decoration: none;
    cursor: pointer;
    transition: background var(--transition);
}

.auth-user__item:hover {
    background: var(--gray-50);
    color: var(--text-primary);
}

[data-theme="dark"] .auth-user__item:hover {
    background: var(--gray-700);
}

.auth-user__item--logout {
    color: #EF4444;
}

.auth-user__item--logout:hover {
    background: #FEF2F2;
    color: #DC2626;
}

[data-theme="dark"] .auth-user__item--logout:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #F87171;
}

.auth-user__divider {
    height: 1px;
    background: var(--border);
    margin: var(--space-1) 0;
}

/* Profile Header in Dropdown */
.auth-user__profile {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
}

.auth-user__profile-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.auth-user__profile-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    min-width: 0;
}

.auth-user__profile-name {
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.auth-user__profile-email {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* ═══════════════════════════════════════════
   Profile Panel (Slide-out)
   ═══════════════════════════════════════════ */

.profile-panel {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.profile-panel--open {
    display: block;
}

.profile-panel__overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    animation: fadeIn 200ms ease;
}

.profile-panel__sheet {
    position: absolute;
    top: 0;
    right: 0;
    width: min(400px, 90vw);
    height: 100%;
    background: var(--bg);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.15);
    display: flex;
    flex-direction: column;
    animation: slideInRight 250ms ease;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
    }

    to {
        transform: translateX(0);
    }
}

.profile-panel__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.profile-panel__tabs {
    display: flex;
    gap: var(--space-1);
}

.profile-panel__tab {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-tertiary);
    background: none;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

.profile-panel__tab:hover {
    color: var(--text-primary);
    background: var(--gray-50);
}

.profile-panel__tab--active {
    color: var(--accent);
    background: rgba(59, 130, 246, 0.08);
}

[data-theme="dark"] .profile-panel__tab:hover {
    background: var(--gray-700);
}

[data-theme="dark"] .profile-panel__tab--active {
    background: rgba(96, 165, 250, 0.15);
}

.profile-panel__close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    border-radius: var(--radius);
    color: var(--text-tertiary);
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition);
}

.profile-panel__close:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

[data-theme="dark"] .profile-panel__close:hover {
    background: var(--gray-700);
}

.profile-panel__body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-4);
}

/* Empty States */
.profile-panel__empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-12) var(--space-6);
    gap: var(--space-2);
}

.profile-panel__empty-icon {
    font-size: 2.5rem;
    margin-bottom: var(--space-2);
}

.profile-panel__empty-title {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.profile-panel__empty-desc {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    margin: 0;
    max-width: 240px;
}

.profile-panel__empty-btn {
    margin-top: var(--space-4);
    padding: var(--space-2) var(--space-5);
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 600;
    color: #fff;
    background: var(--accent);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition);
}

.profile-panel__empty-btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

/* Cards */
.profile-panel__list {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.profile-panel__card {
    padding: var(--space-4);
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.profile-panel__card:hover {
    border-color: var(--accent);
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.06);
}

[data-theme="dark"] .profile-panel__card {
    background: var(--gray-800);
    border-color: var(--gray-600);
}

.profile-panel__card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-2);
}

.profile-panel__card-category {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent);
    background: rgba(59, 130, 246, 0.08);
    padding: 2px 8px;
    border-radius: var(--radius);
}

.profile-panel__card-time {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

.profile-panel__card-name {
    font-family: var(--font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.profile-panel__card-desc {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-2);
    line-height: 1.4;
}

.profile-panel__card-meta {
    display: flex;
    gap: var(--space-3);
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
}

.profile-panel__card-actions {
    display: flex;
    gap: var(--space-2);
}

.profile-panel__card-btn {
    padding: var(--space-1) var(--space-3);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--gray-50);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

.profile-panel__card-btn:hover {
    background: var(--gray-100);
    color: var(--text-primary);
}

[data-theme="dark"] .profile-panel__card-btn {
    background: var(--gray-700);
    border-color: var(--gray-600);
}

[data-theme="dark"] .profile-panel__card-btn:hover {
    background: var(--gray-600);
}

.profile-panel__card-btn--danger {
    color: #EF4444;
}

.profile-panel__card-btn--danger:hover {
    background: #FEF2F2;
    color: #DC2626;
    border-color: #FECACA;
}

[data-theme="dark"] .profile-panel__card-btn--danger:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #F87171;
    border-color: rgba(239, 68, 68, 0.3);
}

/* History Items */
.profile-panel__history-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.profile-panel__clear-btn {
    padding: var(--space-1) var(--space-3);
    font-size: 0.6875rem;
    font-weight: 500;
    color: #EF4444;
    background: none;
    border: 1px solid #FECACA;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

.profile-panel__clear-btn:hover {
    background: #FEF2F2;
}

[data-theme="dark"] .profile-panel__clear-btn {
    border-color: rgba(239, 68, 68, 0.3);
}

[data-theme="dark"] .profile-panel__clear-btn:hover {
    background: rgba(239, 68, 68, 0.1);
}

.profile-panel__history-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    border-radius: var(--radius);
    transition: background var(--transition);
}

.profile-panel__history-item:hover {
    background: var(--gray-50);
}

[data-theme="dark"] .profile-panel__history-item:hover {
    background: var(--gray-800);
}

.profile-panel__history-icon {
    flex-shrink: 0;
    font-size: 1.125rem;
}

.profile-panel__history-info {
    flex: 1;
    min-width: 0;
}

.profile-panel__history-name {
    font-family: var(--font-heading);
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-panel__history-detail {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    margin-top: 2px;
}

.profile-panel__history-cat {
    background: var(--gray-100);
    padding: 1px 6px;
    border-radius: var(--radius);
    font-size: 0.625rem;
}

[data-theme="dark"] .profile-panel__history-cat {
    background: var(--gray-700);
}

.profile-panel__history-time {
    flex-shrink: 0;
    font-size: 0.6875rem;
    color: var(--text-tertiary);
}

/* Dark mode for sheet */
[data-theme="dark"] .profile-panel__sheet {
    background: var(--gray-900);
    box-shadow: -8px 0 30px rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] .profile-panel__overlay {
    background: rgba(0, 0, 0, 0.6);
}

/* ── Favorite star buttons (category cards + skill items) ── */
.cat-fav-btn {
    position: absolute;
    top: 6px;
    right: 6px;
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: var(--text-tertiary);
    opacity: 0.6;
    transition: opacity 200ms, transform 200ms, color 200ms;
    z-index: 2;
    line-height: 1;
    padding: 2px;
}

.cat-fav-btn:hover {
    opacity: 0.85;
    transform: scale(1.1);
    color: #d97706;
}

[data-theme="dark"] .cat-fav-btn:hover {
    color: #fbbf24;
}

.cat-fav-btn--active {
    color: #d97706;
    opacity: 0.9;
}

[data-theme="dark"] .cat-fav-btn--active {
    color: #fbbf24;
}

.skill-fav-btn {
    background: none;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: var(--text-tertiary);
    opacity: 0.55;
    transition: opacity 200ms, transform 200ms, color 200ms;
    padding: 4px;
    flex-shrink: 0;
    line-height: 1;
}

.skill-fav-btn:hover {
    opacity: 0.85;
    transform: scale(1.1);
    color: #d97706;
}

[data-theme="dark"] .skill-fav-btn:hover {
    color: #fbbf24;
}

.skill-fav-btn--active {
    color: #d97706;
    opacity: 0.9;
}

[data-theme="dark"] .skill-fav-btn--active {
    color: #fbbf24;
}

/* ── Quick sidebar fav button ── */
.quick-card {
    position: relative;
}

.quick-fav-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    background: none;
    border: none;
    font-size: 0.875rem;
    cursor: pointer;
    color: var(--text-tertiary);
    opacity: 0.55;
    transition: opacity 200ms, transform 200ms, color 200ms;
    z-index: 2;
    line-height: 1;
    padding: 2px;
}

.quick-fav-btn:hover {
    opacity: 0.85;
    transform: scale(1.1);
    color: #d97706;
}

[data-theme="dark"] .quick-fav-btn:hover {
    color: #fbbf24;
}

.quick-fav-btn--active {
    color: #d97706;
    opacity: 0.85;
}

[data-theme="dark"] .quick-fav-btn--active {
    color: #fbbf24;
}

/* ── Favorites 2-section layout in profile panel ── */
.profile-panel__fav-section {
    margin-bottom: var(--space-4);
}

.profile-panel__fav-section-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: var(--space-2);
}

.profile-panel__fav-section-icon {
    font-size: 1rem;
}

.profile-panel__fav-section-title {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-secondary);
    flex: 1;
}

.profile-panel__fav-section-count {
    font-size: 0.6875rem;
    background: var(--accent);
    color: #fff;
    padding: 1px 8px;
    border-radius: 999px;
    font-weight: 600;
}

.profile-panel__fav-empty-hint {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    padding: var(--space-3) var(--space-2);
    text-align: center;
    font-style: italic;
}

/* Fav item row */
.profile-panel__fav-item {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-1);
    border-radius: var(--radius);
    transition: background 200ms;
}

.profile-panel__fav-item:hover {
    background: var(--gray-100);
}

[data-theme="dark"] .profile-panel__fav-item:hover {
    background: var(--gray-800);
}

.profile-panel__fav-item-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
}

.profile-panel__fav-item-info {
    flex: 1;
    min-width: 0;
}

.profile-panel__fav-item-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-panel__fav-item-desc {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-panel__fav-item-time {
    font-size: 0.625rem;
    color: var(--text-tertiary);
    flex-shrink: 0;
    white-space: nowrap;
}

.profile-panel__fav-remove {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    font-size: 0.75rem;
    padding: 4px;
    border-radius: var(--radius);
    opacity: 0;
    transition: opacity 200ms, background 200ms, color 200ms;
}

.profile-panel__fav-item:hover .profile-panel__fav-remove {
    opacity: 1;
}

.profile-panel__fav-remove:hover {
    color: var(--danger);
    background: rgba(239, 68, 68, 0.1);
}

/* ═══════════════════════════════════════════
   Toast Notification
   ═══════════════════════════════════════════ */

.auth-toast {
    position: fixed;
    bottom: var(--space-8);
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    padding: var(--space-3) var(--space-6);
    background: var(--gray-900);
    color: #fff;
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-lg);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    z-index: 2000;
    opacity: 0;
    transition: all 300ms ease;
    pointer-events: none;
}

[data-theme="dark"] .auth-toast {
    background: var(--gray-100);
    color: var(--gray-900);
}

.auth-toast--visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ═══ Responsive: Auth Modal ═══ */
@media (max-width: 480px) {
    .auth-modal__card {
        max-width: none;
        margin: var(--space-4);
        padding: var(--space-6);
    }

    .auth-user__name {
        display: none;
    }
}

@media (max-width: 640px) {
    .app-header__auth {
        margin-left: var(--space-2);
        padding-left: var(--space-2);
    }
}

/* ─── Explore Section (Full-Page List View) ─────────────────────── */
.explore-section {
    max-width: 960px;
    margin: 0 auto;
    padding: var(--space-6) var(--space-4) var(--space-8);
    min-height: 60vh;
}

/* ── Toolbar ──────────────────────────────────────────────────── */
.explore-toolbar {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    margin-bottom: var(--space-4);
}

.explore-toolbar__search {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
    transition: border-color 200ms, box-shadow 200ms;
}

.explore-toolbar__search:focus-within {
    border-color: var(--accent, #6366f1);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.12), 0 2px 12px rgba(0, 0, 0, 0.06);
}

.explore-toolbar__search-icon {
    flex-shrink: 0;
    color: var(--text-tertiary);
    opacity: 0.6;
}

.explore-toolbar__input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 1rem;
    font-family: var(--font-sans);
    color: var(--text-primary);
    min-width: 0;
}

.explore-toolbar__input::placeholder {
    color: var(--text-tertiary);
    opacity: 0.5;
}

.explore-toolbar__kbd {
    flex-shrink: 0;
    font-size: 0.7rem;
    font-family: var(--font-mono);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid var(--border);
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    line-height: 1.4;
}

/* ── Filters ──────────────────────────────────────────────────── */
.explore-toolbar__filters {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.explore-toolbar__sort {
    display: flex;
    gap: var(--space-2);
}

.explore-sort-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: all 200ms;
    white-space: nowrap;
}

.explore-sort-btn:hover {
    border-color: var(--accent, #6366f1);
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.explore-sort-btn--active {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(139, 92, 246, 0.1));
    border-color: rgba(99, 102, 241, 0.4);
    color: #6366f1;
    font-weight: 600;
}

.explore-sort-btn__icon {
    font-size: 0.875rem;
}

.explore-toolbar__dropdowns {
    display: flex;
    gap: var(--space-2);
}

.explore-select {
    padding: 8px 12px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    cursor: pointer;
    transition: border-color 200ms;
    min-width: 0;
}

.explore-select:focus {
    outline: none;
    border-color: var(--accent, #6366f1);
}

/* ── Results Meta ─────────────────────────────────────────────── */
.explore-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-1);
    margin-bottom: var(--space-2);
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* ── List Rows ────────────────────────────────────────────────── */
.explore-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.explore-row {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 12px 16px;
    border-radius: 10px;
    cursor: pointer;
    transition: background 150ms, transform 100ms;
    background: transparent;
}

.explore-row:hover {
    background: var(--bg-secondary);
    transform: translateX(2px);
}

.explore-row:active {
    transform: scale(0.995);
}

.explore-row__num {
    flex-shrink: 0;
    width: 28px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-align: right;
    font-variant-numeric: tabular-nums;
}

.explore-row__icon {
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.explore-row__info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.explore-row__name {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.explore-row__desc {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 320px;
}

.explore-row__badge {
    flex-shrink: 0;
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 3px 8px;
    border-radius: 6px;
    white-space: nowrap;
}

.explore-row__badge--category {
    background: rgba(99, 102, 241, 0.1);
    color: #6366f1;
}

.explore-row__badge--preset {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}

.explore-row__cat-tag {
    flex-shrink: 0;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    max-width: 90px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.explore-row__fav {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    font-size: 1rem;
    color: var(--text-tertiary);
    cursor: pointer;
    border-radius: 6px;
    transition: all 150ms;
}

.explore-row__fav:hover {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}

.explore-row__fav--active {
    color: #f59e0b;
}

.explore-row__pop {
    flex-shrink: 0;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-tertiary);
    font-variant-numeric: tabular-nums;
    min-width: 36px;
    text-align: right;
}

.explore-row__go {
    flex-shrink: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-tertiary);
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.875rem;
    transition: all 150ms;
}

.explore-row__go:hover {
    background: var(--accent, #6366f1);
    border-color: var(--accent, #6366f1);
    color: #fff;
}

/* ── Empty State ──────────────────────────────────────────────── */
.explore-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8) var(--space-4);
    color: var(--text-tertiary);
    gap: var(--space-3);
}

.explore-empty__icon {
    font-size: 2.5rem;
    opacity: 0.5;
}

/* ── Pagination ───────────────────────────────────────────────── */
.explore-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-1);
    margin-top: var(--space-6);
    padding: var(--space-4) 0;
}

.explore-page-btn {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    font-weight: 500;
    cursor: pointer;
    transition: all 150ms;
}

.explore-page-btn:hover:not(.explore-page-btn--disabled):not(.explore-page-btn--active) {
    border-color: var(--accent, #6366f1);
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.explore-page-btn--active {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-color: transparent;
    color: #fff;
    font-weight: 600;
}

.explore-page-btn--disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.explore-page-ellipsis {
    width: 28px;
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* ── Dark Mode ────────────────────────────────────────────────── */
[data-theme="dark"] .explore-toolbar__search {
    background: var(--bg-secondary);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .explore-toolbar__search:focus-within {
    box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.15), 0 2px 12px rgba(0, 0, 0, 0.2);
}

[data-theme="dark"] .explore-sort-btn--active {
    background: linear-gradient(135deg, rgba(129, 140, 248, 0.15), rgba(167, 139, 250, 0.15));
    border-color: rgba(129, 140, 248, 0.35);
    color: #818cf8;
}

[data-theme="dark"] .explore-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .explore-row__icon {
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .explore-row__badge--category {
    background: rgba(129, 140, 248, 0.15);
    color: #818cf8;
}

[data-theme="dark"] .explore-row__badge--preset {
    background: rgba(52, 211, 153, 0.15);
    color: #34d399;
}

[data-theme="dark"] .explore-row__fav--active {
    color: #fbbf24;
}

[data-theme="dark"] .explore-page-btn--active {
    background: linear-gradient(135deg, #818cf8, #a78bfa);
}

/* ── Mobile ───────────────────────────────────────────────────── */
@media (max-width: 768px) {
    .explore-section {
        padding: var(--space-4) var(--space-3) var(--space-6);
    }

    .explore-toolbar__filters {
        flex-direction: column;
        align-items: stretch;
    }

    .explore-toolbar__sort {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 2px;
    }

    .explore-toolbar__dropdowns {
        justify-content: flex-end;
    }

    .explore-row {
        padding: 10px 12px;
        gap: var(--space-2);
    }

    .explore-row__num {
        display: none;
    }

    .explore-row__desc {
        max-width: 160px;
    }

    .explore-row__cat-tag {
        display: none;
    }

    .explore-row__pop {
        display: none;
    }

    .explore-toolbar__kbd {
        display: none;
    }
}