/**
 * EZQZ - Modern Brutalist Design System
 * Fonts: Syne (display), Space Grotesk (body)
 * Aesthetic: Neo-brutalist with playful details
 */

/* ==========================================================================
   FONTS
   ========================================================================== */
@font-face {
    font-family: 'Space Grotesk';
    font-style: normal;
    font-weight: 400 700;
    font-display: swap;
    src: url('fonts/SpaceGrotesk-VariableFont_wght.woff2') format('woff2');
}

@font-face {
    font-family: 'Syne';
    font-style: normal;
    font-weight: 700 800;
    font-display: swap;
    src: url('fonts/Syne-VariableFont_wght.woff2') format('woff2');
}

/* ==========================================================================
   RESET & BASE
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* iOS scroll performance optimizations */
html {
    -webkit-overflow-scrolling: touch;
}

/* Force GPU acceleration for sticky elements on iOS */
@supports (-webkit-touch-callout: none) {
    .header {
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* Global textarea constraints */
textarea {
    resize: vertical;
    min-height: 60px;
    max-height: 200px;
}

img,
video,
canvas {
    max-width: 100%;
    height: auto;
}

:root {
    /* Brand Colors */
    --brand-accent: #FF6B35;
    --brand-ink: #1a1a2e;
    --brand-cream: #FFFDF9;
    --brand-mint: #B8F4D8;
    --brand-violet: #E8D5F2;
    --brand-accent-light: #FFE8DF;

    /* Border color - same as ink in light mode, softer in dark */
    --border-ink: #1a1a2e;
    /* Shadow color for brutal shadows */
    --shadow-ink: rgba(26, 26, 46, 0.3);

    /* Semantic Colors */
    --color-primary: #1e293b;
    --color-primary-dark: #0f172a;
    --color-secondary: #64748b;
    --color-success: #22c55e;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-bg: #ffffff;
    --color-surface: #f9f9f9;
    --color-text: #1e293b;
    --color-text-light: #64748b;
    --color-border: #ededed;

    /* Button colors */
    --btn-primary-bg: #1e293b;
    --btn-primary-text: #ffffff;
    --btn-primary-hover: #0f172a;

    /* Alert colors */
    --alert-success-bg: #dcfce7;
    --alert-success-text: #166534;
    --alert-success-border: #bbf7d0;
    --alert-error-bg: #fee2e2;
    --alert-error-text: #991b1b;
    --alert-error-border: #fecaca;

    /* Result colors */
    --result-correct-bg: #dcfce7;
    --result-correct-text: #166534;
    --result-incorrect-bg: #fee2e2;
    --result-incorrect-text: #991b1b;

    /* Input field colors */
    --input-bg: #ffffff;
    --input-border: #e6e6e6;

    /* Design System */
    --radius: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-brutal: 4px 4px 0;
    --shadow-brutal-lg: 6px 6px 0;
    --border-thick: 3px;
    --border-medium: 2px;

    /* Animation */
    --transition-fast: 0.15s;
    --transition-base: 0.2s;
    --transition-slow: 0.3s;
    --ease-out: cubic-bezier(0.33, 1, 0.68, 1);
    --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Layout */
    --safe-top: env(safe-area-inset-top, 0px);
    --header-height: 80px;
}

/* Dark Mode */
[data-theme="dark"] {
    --brand-accent: #FF8555;
    --brand-ink: #F5F5F5;
    --brand-cream: #1a1a2e;
    --brand-mint: #2A4A3A;
    --brand-violet: #3A2D42;
    --brand-accent-light: #3D2A24;

    /* Softer border color for dark mode - less harsh on eyes */
    --border-ink: #4a4a65;
    /* Softer shadow for dark mode */
    --shadow-ink: rgba(0, 0, 0, 0.4);

    --color-primary: #e2e8f0;
    --color-primary-dark: #f8fafc;
    --color-secondary: #94a3b8;
    --color-success: #4ade80;
    --color-error: #f87171;
    --color-warning: #fbbf24;
    --color-bg: #16162a;
    --color-surface: #222238;
    --color-text: #f1f5f9;
    --color-text-light: #94a3b8;
    --color-border: #2e2e45;
    --shadow: 0 1px 3px rgba(0,0,0,0.3);
    --shadow-lg: 0 4px 6px rgba(0,0,0,0.3);

    --btn-primary-bg: #e2e8f0;
    --btn-primary-text: #0f172a;
    --btn-primary-hover: #f8fafc;

    --alert-success-bg: #14532d;
    --alert-success-text: #bbf7d0;
    --alert-success-border: #166534;
    --alert-error-bg: #7f1d1d;
    --alert-error-text: #fecaca;
    --alert-error-border: #991b1b;

    --result-correct-bg: #14532d;
    --result-correct-text: #bbf7d0;
    --result-incorrect-bg: #7f1d1d;
    --result-incorrect-text: #fecaca;

    --input-bg: #1e1e35;
    --input-border: #3a3a55;
}

/* Text Selection */
::selection {
    background: var(--brand-accent);
    color: var(--brand-cream);
}

body {
    font-family: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--brand-cream);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.header {
    background: rgba(255, 253, 249, 0.95);
    border-bottom: var(--border-thick) solid var(--border-ink);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 200;
}

[data-theme="dark"] .header {
    background: rgba(15, 15, 30, 0.95);
}

/* Only use backdrop-filter on desktop - causes iOS scroll issues */
@media (min-width: 769px) {
    .header {
        backdrop-filter: blur(8px);
        background: rgba(255, 253, 249, 0.85);
    }

    [data-theme="dark"] .header {
        background: rgba(15, 15, 30, 0.85);
    }
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.nav-brand {
    font-family: 'Syne', sans-serif;
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--brand-ink);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: color var(--transition-base);
    position: relative;
}

.nav-brand::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--brand-accent);
    transition: width var(--transition-base) var(--ease-out);
}

.nav-brand:hover {
    color: var(--brand-accent);
}

.nav-brand:hover::after {
    width: 100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Nav Buttons */
.nav-links .btn {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius);
    border: var(--border-thick) solid var(--border-ink);
    background: var(--brand-ink);
    color: var(--brand-cream);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base) var(--ease-out);
    box-shadow: var(--shadow-brutal) var(--brand-accent);
    cursor: pointer;
}

.nav-links .btn:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-lg) var(--brand-accent);
}

.nav-links .btn:active {
    transform: translate(0, 0);
    box-shadow: 2px 2px 0 var(--brand-accent);
}

.nav-links .btn svg {
    width: 18px;
    height: 18px;
}

/* User Menu */
.user-menu {
    position: relative;
}

/* User Menu Backdrop (mobile only) */
.user-menu::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
    pointer-events: none;
}

@media (max-width: 480px) {
    .user-menu.active::before {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }
}

.user-menu-trigger {
    background: none;
    border: var(--border-thick) solid var(--border-ink);
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base) var(--ease-out);
    overflow: hidden;
    box-shadow: var(--shadow-brutal) var(--brand-accent);
}

.user-menu-trigger:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-lg) var(--brand-accent);
}

.user-menu-trigger:active {
    transform: translate(0, 0);
    box-shadow: 2px 2px 0 var(--brand-accent);
}

.user-menu-trigger svg {
    width: 24px;
    height: 24px;
    color: var(--brand-ink);
}

.user-avatar {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-menu-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--brand-cream);
    border: var(--border-thick) solid var(--border-ink);
    border-radius: var(--radius-lg);
    min-width: 220px;
    box-shadow: var(--shadow-brutal-lg) var(--brand-accent);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px) scale(0.96);
    transition: all var(--transition-base) var(--ease-out);
    z-index: 1000;
    overflow: hidden;
}

.user-menu.active .user-menu-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.user-menu-header {
    padding: 1rem 1.25rem;
    font-family: 'Syne', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--brand-cream);
    background: var(--brand-ink);
    border-bottom: var(--border-thick) solid var(--border-ink);
    letter-spacing: -0.01em;
}

[data-theme="dark"] .user-menu-header {
    background: #2a2a42;
    color: #e2e8f0;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.875rem 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    font-size: 0.9375rem;
    font-weight: 500;
    transition: all var(--transition-fast) var(--ease-out);
    background: none;
    border: none;
    border-left: 3px solid transparent;
    width: 100%;
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}

.user-menu-item:hover {
    background: var(--brand-accent-light);
    color: var(--brand-ink);
    border-left-color: var(--brand-accent);
    padding-left: calc(1.25rem + 2px);
}

.user-menu-item svg {
    width: 18px;
    height: 18px;
    opacity: 0.6;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.user-menu-item:hover svg {
    opacity: 1;
    color: var(--brand-accent);
}

.user-menu-divider {
    height: 0;
    border: none;
    border-top: var(--border-medium) dashed var(--color-border);
    margin: 0.375rem 1rem;
}

.user-menu-logout:hover {
    background: #FEE2E2;
    color: #B91C1C;
    border-left-color: #EF4444;
}

.user-menu-logout:hover svg {
    color: #EF4444;
}

.user-menu-form {
    display: contents;
}

/* ==========================================================================
   MAIN CONTENT
   ========================================================================== */
.main {
    flex: 1;
    background: var(--brand-cream);
}

/* ==========================================================================
   ALERTS
   ========================================================================== */
.alert {
    max-width: 1200px;
    margin: 1rem auto;
    padding: 1rem 1.5rem;
    border-radius: var(--radius);
    border: var(--border-medium) solid;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
    animation: alertSlide 0.3s var(--ease-out);
    transition: opacity 0.3s var(--ease-out), transform 0.3s var(--ease-out);
}

@keyframes alertSlide {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.alert-success {
    background: var(--alert-success-bg);
    border-color: var(--color-success);
    color: var(--alert-success-text);
}

.alert-error {
    background: var(--alert-error-bg);
    border-color: var(--color-error);
    color: var(--alert-error-text);
}

.alert.alert-hide {
    opacity: 0;
    transform: translateY(-8px);
}

.flash-stack {
    position: fixed;
    top: 1rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    width: min(92vw, 520px);
    z-index: 1000;
    pointer-events: none;
}

.flash-stack .alert {
    width: 100%;
    margin: 0;
    pointer-events: auto;
    box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.08);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background: var(--color-surface);
    color: var(--color-text);
    padding: 2rem 2.5rem;
    margin-top: auto;
    border-top: 3px solid var(--color-border);
}

[data-theme="dark"] .footer {
    background: #0f0f1e;
    border-top-color: var(--border-ink);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    column-gap: 2rem;
    text-align: left;
}

.footer-brand {
    font-family: 'Syne', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--brand-ink);
    justify-self: start;
}

.footer-links {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    justify-content: center;
    justify-self: center;
}

.footer-links a {
    color: var(--color-text);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    opacity: 0.6;
    transition: opacity var(--transition-base), color var(--transition-base);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--color-text);
}

.footer-links a svg {
    width: 16px;
    height: 16px;
}

.footer-sep {
    color: var(--color-text-light);
}

.footer-bottom {
    font-size: 0.9375rem;
    color: var(--color-text-light);
    text-align: right;
    justify-self: end;
    transition: color var(--transition-base);
}

.footer-bottom:hover {
    color: var(--color-text);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all var(--transition-base) var(--ease-out);
    position: relative;
}

.btn svg {
    width: 18px;
    height: 18px;
}

.btn-primary {
    background: var(--btn-primary-bg);
    color: var(--btn-primary-text);
    border: var(--border-thick) solid var(--btn-primary-bg);
    box-shadow: var(--shadow-brutal) var(--brand-accent);
}

.btn-primary:hover {
    background: var(--btn-primary-hover);
    border-color: var(--btn-primary-hover);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-lg) var(--brand-accent);
}

.btn-primary:active {
    transform: translate(0, 0);
    box-shadow: 2px 2px 0 var(--brand-accent);
}

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-text);
    border: var(--border-thick) solid var(--color-border);
    box-shadow: var(--shadow-brutal) var(--color-border);
}

.btn-secondary:hover {
    background: var(--color-bg);
    border-color: var(--border-ink);
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-lg) var(--color-border);
}

.btn-secondary:active {
    transform: translate(0, 0);
    box-shadow: 2px 2px 0 var(--color-border);
}

.btn-block {
    display: flex;
    justify-content: center;
    width: 100%;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-sm svg {
    width: 16px;
    height: 16px;
}

/* Icon Button */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem;
    background: transparent;
    border: none;
    border-radius: var(--radius);
    color: var(--color-text-light);
    cursor: pointer;
    transition: color var(--transition-fast), background var(--transition-fast);
}

.btn-icon:hover {
    color: var(--color-text);
    background: var(--color-surface);
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

/* Danger Button */
.btn-danger {
    color: var(--color-error);
}

.btn-danger:hover {
    background: var(--color-error);
    color: white;
}

/* ==========================================================================
   FORMS
   ========================================================================== */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--brand-ink);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem 1.125rem;
    border: var(--border-thick) solid var(--input-border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: 'Space Grotesk', sans-serif;
    background: var(--input-bg);
    color: var(--color-text);
    transition: all var(--transition-base) var(--ease-out);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    max-height: 300px;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--border-ink);
    box-shadow: var(--shadow-brutal) rgba(255, 107, 53, 0.2);
    transform: translateY(-1px);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-light);
}

/* ==========================================================================
   CARDS
   ========================================================================== */
.card {
    background: var(--brand-cream);
    border: var(--border-thick) solid var(--border-ink);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base) var(--ease-out);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-brutal-lg) var(--color-border);
}

/* ==========================================================================
   ICONS
   ========================================================================== */
.nav-links svg,
.footer-links svg,
.alert svg,
.btn svg,
.feature-icon svg {
    vertical-align: middle;
}

/* ==========================================================================
   UTILITY CLASSES
   ========================================================================== */
.inline-form {
    display: inline;
}

.score {
    font-weight: 600;
    color: var(--color-primary);
}

/* ==========================================================================
   RESPONSIVE
   ========================================================================== */
@media (max-width: 640px) {
    :root {
        --header-height: 72px;
    }

    .nav {
        padding: 0.875rem 1rem;
    }

    .nav-brand {
        font-size: 1.5rem;
    }

    .nav-links .btn {
        padding: 0.5rem 0.875rem;
        font-size: 0.875rem;
    }

    .nav-links .btn svg {
        width: 16px;
        height: 16px;
    }

    .user-menu-trigger {
        width: 40px;
        height: 40px;
    }

    .user-menu-dropdown {
        right: -0.5rem;
        min-width: 180px;
    }

    .alert {
        margin: 0.75rem;
        padding: 0.875rem 1rem;
        font-size: 0.9375rem;
    }

    .flash-stack {
        top: 0.75rem;
        width: min(94vw, 520px);
    }

    .footer {
        padding: 2rem 1.5rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        justify-items: center;
        text-align: center;
        gap: 0.75rem;
    }

    .footer-links {
        gap: 0.75rem;
    }

    .footer-sep {
        display: inline;
    }

    .footer-brand {
        font-size: 1.25rem;
    }

    .footer-bottom {
        padding-top: 0.75rem;
        border-top: 1px solid var(--color-border);
        text-align: center;
        justify-self: center;
    }
}

@media (max-width: 768px) {
    /* User menu dropdown adjustments for tablets and larger phones */
    .user-menu-dropdown {
        right: -1rem;
        min-width: 240px;
    }
}

@media (max-width: 480px) {
    .footer-links {
        flex-direction: row;
        gap: 0.75rem;
    }

    .footer-links a {
        font-size: 0.875rem;
    }

    /* User menu dropdown - anchored under avatar */
    .user-menu-dropdown {
        position: absolute;
        top: calc(100% + 10px);
        bottom: auto;
        left: auto;
        right: 0;
        min-width: 200px;
        max-width: calc(100vw - 2rem);
        border-radius: var(--radius-lg);
        max-height: 70vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        transform: translateY(-8px) scale(0.96);
        box-shadow: var(--shadow-brutal-lg) var(--brand-accent);
        border-bottom: var(--border-thick) solid var(--border-ink);
    }

    .user-menu.active .user-menu-dropdown {
        transform: translateY(0);
    }

    .user-menu-header {
        padding: 1.25rem 1.5rem;
        font-size: 1.125rem;
    }

    .user-menu-item {
        padding: 1.125rem 1.5rem;
        font-size: 1rem;
    }
}

@media (max-width: 400px) {
    :root {
        --header-height: 68px;
    }

    .nav {
        padding: 0.75rem;
    }

    .nav-brand {
        font-size: 1.375rem;
    }

    .user-menu-divider {
        margin: 0.5rem 1.25rem;
    }
}

/* ==========================================================================
   ANIMATIONS & KEYFRAMES
   ========================================================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Page load animation */
body {
    animation: fadeIn 0.3s ease-out;
}

/* ==========================================================================
   AI GENERATE BUTTON
   Unified styling for AI generation feature across the app
   ========================================================================== */
.btn-ai {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    padding: 0.875rem 1.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base) var(--ease-out);
    border: 3px solid #C4A8D8;
    background: linear-gradient(135deg, #E8D5F2 0%, #D4C1E8 100%);
    color: var(--brand-ink);
    box-shadow: 4px 4px 0 #C4A8D8;
    position: relative;
    overflow: hidden;
}

.btn-ai::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.btn-ai:hover {
    transform: translate(-2px, -2px);
    box-shadow: var(--shadow-brutal-lg) #C4A8D8;
}

.btn-ai:hover::before {
    opacity: 1;
}

.btn-ai:active {
    transform: translate(0, 0);
    box-shadow: 2px 2px 0 #C4A8D8;
}

.btn-ai svg {
    width: 20px;
    height: 20px;
    transition: transform var(--transition-base) var(--ease-out);
}


/* Dark mode */
[data-theme="dark"] .btn-ai {
    background: linear-gradient(135deg, #3A2D42 0%, #4A3D52 100%);
    color: #E8D5F2;
    box-shadow: var(--shadow-brutal) #2A1D32;
}

[data-theme="dark"] .btn-ai:hover {
    box-shadow: var(--shadow-brutal-lg) #2A1D32;
}

[data-theme="dark"] .btn-ai:active {
    box-shadow: 2px 2px 0 #2A1D32;
}

/* Small variant */
.btn-ai-sm {
    height: 44px;
    padding: 0 1.125rem;
    font-size: 0.9375rem;
    border-radius: 10px;
}

.btn-ai-sm svg {
    width: 18px;
    height: 18px;
}

/* Outline variant - lighter feel */
.btn-ai-outline {
    background: transparent;
    border-color: #C4A8D8;
    color: var(--brand-ink);
    box-shadow: var(--shadow-brutal) #E8D5F2;
}

.btn-ai-outline:hover {
    background: #E8D5F2;
    border-color: var(--border-ink);
    box-shadow: var(--shadow-brutal-lg) #E8D5F2;
}

[data-theme="dark"] .btn-ai-outline {
    border-color: #4A3D52;
    color: #E8D5F2;
    box-shadow: var(--shadow-brutal) #3A2D42;
}

[data-theme="dark"] .btn-ai-outline:hover {
    background: #3A2D42;
    border-color: #E8D5F2;
    box-shadow: var(--shadow-brutal-lg) #3A2D42;
}

/* Hero variant - larger for landing pages */
.btn-ai-hero {
    padding: 1rem 2rem;
    font-size: 1.125rem;
    border-radius: var(--radius-lg);
}

.btn-ai-hero svg {
    width: 20px;
    height: 20px;
}

/* Large variant - for empty states and prominent placements */
.btn-ai-lg {
    padding: 1rem 1.75rem;
    font-size: 1rem;
}

.btn-ai-lg svg {
    width: 20px;
    height: 20px;
}