/* ==========================================
   Design Tokens
   ========================================== */
:root {
    /* Colors - Dark Purple Theme (default) */
    --bg-primary: #0D0B14;
    --bg-secondary: #13111C;
    --bg-surface: #1A1726;
    --border: #2D2640;
    --border-hover: #3D3456;
    --text-primary: #FAFAFA;
    --text-secondary: #A1A1AA;
    --text-muted: #71717A;
    --accent: #8B5CF6;
    --accent-soft: rgba(139, 92, 246, 0.15);
    --purple-glow: rgba(139, 92, 246, 0.1);
    --spotlight-dark: rgba(13, 11, 20, 0.7);
    --dot-color: rgba(139, 92, 246, 0.15);
    --bg-gradient-end: #120F1A;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;

    /* Effects */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 150ms ease;
}

/* Light Mode */
[data-theme="light"] {
    --bg-primary: #FAFAFA;
    --bg-secondary: #F4F4F5;
    --bg-surface: #FFFFFF;
    --border: #E4E4E7;
    --border-hover: #D4D4D8;
    --text-primary: #18181B;
    --text-secondary: #52525B;
    --text-muted: #71717A;
    --accent: #7C3AED;
    --accent-soft: rgba(124, 58, 237, 0.08);
    --purple-glow: rgba(124, 58, 237, 0.03);
    --spotlight-dark: rgba(124, 58, 237, 0.02);
    --dot-color: rgba(124, 58, 237, 0.05);
    --bg-gradient-end: #F0EEFF;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-primary);
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 50%, var(--bg-gradient-end) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input {
    font-family: inherit;
    border: none;
    background: none;
    outline: none;
}

/* ==========================================
   Dot Pattern Background
   ========================================== */
.dot-pattern {
    position: fixed;
    inset: 0;
    z-index: -1;
    background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.5;
    animation: dotPulse 8s ease-in-out infinite;
}

/* Gradient overlay */
.dot-pattern::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at top, var(--purple-glow) 0%, transparent 50%),
        radial-gradient(ellipse at bottom right, var(--purple-glow) 0%, transparent 40%);
    pointer-events: none;
}

/* Global cursor-following spotlight */
.dot-pattern::after {
    content: '';
    position: fixed;
    inset: 0;
    background: radial-gradient(600px circle at var(--cursor-x, 50%) var(--cursor-y, 50%),
            transparent 0%,
            var(--spotlight-dark) 100%);
    pointer-events: none;
    z-index: 1;
}

@keyframes dotPulse {

    0%,
    100% {
        opacity: 0.3;
    }

    50% {
        opacity: 0.6;
    }
}

/* ==========================================
   Container
   ========================================== */
.container {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-lg);
}

@media (max-width: 640px) {
    .container {
        padding: var(--space-lg) var(--space-md);
    }
}

/* ==========================================
   Navigation
   ========================================== */
.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3xl);
}

.logo {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--text-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    transition: color var(--transition);
    line-height: 1;
}

.nav-links a:hover {
    color: var(--text-primary);
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-surface);
    transition: all var(--transition);
    cursor: pointer;
}

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

/* Show sun in dark mode, moon in light mode */
.icon-moon {
    display: none;
}

.icon-sun {
    display: block;
}

[data-theme="light"] .icon-moon {
    display: block;
}

[data-theme="light"] .icon-sun {
    display: none;
}

@media (max-width: 480px) {
    .nav-links a {
        display: none;
    }

    .nav-links {
        gap: var(--space-sm);
    }
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.hero-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: var(--space-lg);
    border: 3px solid transparent;
    background: linear-gradient(var(--bg-surface), var(--bg-surface)) padding-box,
        linear-gradient(135deg, var(--accent), #A78BFA, #EC4899) border-box;
    box-shadow: 0 0 30px rgba(139, 92, 246, 0.3);
}

.hero-name {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.hero-subtitle {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.hero-tagline {
    font-size: var(--font-size-lg);
    color: var(--text-muted);
    max-width: 540px;
    margin: 0 auto var(--space-xl);
}

@media (max-width: 640px) {
    .hero-name {
        font-size: var(--font-size-3xl);
    }

    .hero-tagline {
        font-size: var(--font-size-base);
    }
}

/* AI Input */
.ai-input-wrapper {
    margin-bottom: var(--space-lg);
}

.ai-input {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    max-width: 480px;
    margin: 0 auto;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition);
}

.ai-input:focus-within {
    border-color: var(--border-hover);
}

.ai-icon {
    color: var(--text-muted);
    flex-shrink: 0;
}

.ai-input input {
    flex: 1;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.ai-input input::placeholder {
    color: var(--text-muted);
}

.ai-badge {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 2px 6px;
    border-radius: 4px;
}

/* Social Links */
.social-links {
    display: flex;
    justify-content: center;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.social-link:hover {
    color: var(--text-primary);
    border-color: var(--border-hover);
}

/* ==========================================
   Bento Grid - Current Role Hero
   ========================================== */
.bento-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
}

.bento-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition);
    overflow: hidden;
}

/* Cursor-following gradient spotlight */
.bento-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(300px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(139, 92, 246, 0.12),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

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

.bento-card>* {
    position: relative;
    z-index: 1;
}

.bento-hero {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.08), rgba(139, 92, 246, 0.02));
}

/* Status row */
.status-row {
    margin-bottom: var(--space-md);
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.status-dot {
    width: 8px;
    height: 8px;
    background: var(--accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.4;
    }
}

.current-role {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.current-company {
    font-size: var(--font-size-lg);
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.hero-desc {
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.role-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.role-tag {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 20px;
}

/* Stats Row */
.stats-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    flex: 1;
}

.stat-value {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-top: 2px;
}

.stat-divider {
    width: 1px;
    height: 32px;
    background: var(--border);
}

.highlight {
    color: var(--accent);
}

@media (max-width: 480px) {
    .stats-row {
        flex-direction: column;
        gap: var(--space-md);
    }

    .stat-divider {
        width: 100%;
        height: 1px;
    }
}

/* ==========================================
   Sections
   ========================================== */
.section {
    margin-bottom: var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-lg);
}

/* Skill List */
.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

.skill-list li {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
}

/* ==========================================
   Timeline - Expandable
   ========================================== */
.timeline {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.timeline-item {
    position: relative;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition);
}

/* Cursor-following gradient spotlight */
.timeline-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(200px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(139, 92, 246, 0.1),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

.timeline-item:hover::before {
    opacity: 1;
}

.timeline-header,
.timeline-desc {
    position: relative;
    z-index: 1;
}

.timeline-item:hover {
    border-color: var(--border-hover);
}

.timeline-item.expanded {
    border-color: var(--accent);
}

.timeline-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    cursor: pointer;
    user-select: none;
}

.timeline-dot {
    width: 10px;
    height: 10px;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    border-radius: 50%;
    flex-shrink: 0;
}

.timeline-item.expanded .timeline-dot,
.timeline-item:first-child .timeline-dot {
    border-color: var(--accent);
    background: var(--accent);
}

.timeline-year {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    font-variant-numeric: tabular-nums;
    min-width: 90px;
}

.timeline-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.timeline-role {
    font-weight: 500;
    color: var(--text-primary);
}

.timeline-company {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.timeline-toggle {
    color: var(--text-muted);
    transition: transform var(--transition);
}

.timeline-item.expanded .timeline-toggle {
    transform: rotate(180deg);
}

.timeline-desc {
    max-height: 0;
    overflow: hidden;
    padding: 0 var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    line-height: 1.6;
    transition: all 0.3s ease;
}

.timeline-item.expanded .timeline-desc {
    max-height: 200px;
    padding: 0 var(--space-lg) var(--space-lg);
    padding-left: calc(var(--space-lg) + 10px + var(--space-md) + 90px + var(--space-md));
}

@media (max-width: 640px) {
    .timeline-header {
        flex-wrap: wrap;
        gap: var(--space-sm);
        position: relative;
        padding-right: calc(var(--space-lg) + 24px);
    }

    .timeline-year {
        min-width: auto;
    }

    .timeline-info {
        flex-basis: 100%;
        margin-left: calc(10px + var(--space-md));
        margin-top: var(--space-xs);
    }

    .timeline-toggle {
        position: absolute;
        top: var(--space-md);
        right: var(--space-lg);
    }

    .timeline-item.expanded .timeline-desc {
        padding-left: calc(10px + var(--space-md) + var(--space-lg));
        padding-right: var(--space-lg);
    }
}

/* ==========================================
   Talks Grid
   ========================================== */
.talks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.talk-card {
    position: relative;
    display: block;
    padding: var(--space-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: border-color var(--transition);
    overflow: hidden;
}

/* Cursor-following gradient spotlight */
.talk-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(180px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(139, 92, 246, 0.1),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

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

.talk-card>* {
    position: relative;
    z-index: 1;
}

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

/* External link indicator for cards with href */
.talk-card[href]::after,
a.community-card::after {
    content: '';
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 14px;
    height: 14px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2371717A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M18 13v6a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h6'%3E%3C/path%3E%3Cpolyline points='15 3 21 3 21 9'%3E%3C/polyline%3E%3Cline x1='10' y1='14' x2='21' y2='3'%3E%3C/line%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-size: contain;
    opacity: 0.6;
    transition: opacity var(--transition);
}

.talk-card[href]:hover::after,
a.community-card:hover::after {
    opacity: 1;
}

.talk-type {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: var(--space-sm);
}

.talk-title {
    font-size: var(--font-size-base);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.talk-source {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

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

/* ==========================================
   Community Grid
   ========================================== */
.community-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.community-card {
    position: relative;
    padding: var(--space-md);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: border-color var(--transition);
}

.community-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(150px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(139, 92, 246, 0.1),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

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

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

.community-card>* {
    position: relative;
    z-index: 1;
}

.community-label {
    display: block;
    font-size: var(--font-size-xs);
    color: var(--text-muted);
    margin-bottom: var(--space-xs);
}

.community-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.community-meta {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

.open-for {
    font-size: var(--font-size-sm);
    color: var(--accent);
    padding: var(--space-sm) var(--space-md);
    background: var(--accent-soft);
    border: none;
    border-radius: var(--radius-md);
    display: inline-block;
    cursor: pointer;
    transition: all var(--transition);
}

.open-for:hover {
    background: var(--accent);
    color: white;
}

/* Contact Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 400px;
    width: 90%;
    position: relative;
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.modal-close:hover {
    background: var(--accent-soft);
    color: var(--text-primary);
}

.modal-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.modal-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.modal-options {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.modal-option {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    transition: all var(--transition);
}

.modal-option:hover {
    border-color: var(--accent);
    background: var(--accent-soft);
}

.modal-option svg {
    color: var(--accent);
    flex-shrink: 0;
}

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

/* ==========================================
   Projects Grid
   ========================================== */
.projects-grid {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.project-card {
    position: relative;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: border-color var(--transition);
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(150px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
            rgba(139, 92, 246, 0.1),
            transparent 40%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

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

.project-card>* {
    position: relative;
    z-index: 1;
}

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

.project-icon {
    font-size: var(--font-size-xl);
}

.project-info {
    flex: 1;
}

.project-name {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.project-desc {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.project-arrow {
    color: var(--text-muted);
    transition: transform var(--transition);
}

.project-card:hover .project-arrow {
    transform: translateX(4px);
}

/* ==========================================
   About
   ========================================== */
.about-content {
    max-width: 560px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    text-align: center;
    padding-top: var(--space-2xl);
    border-top: 1px solid var(--border);
}

.footer-cta {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.footer-email {
    display: block;
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: var(--space-xl);
    transition: color var(--transition);
}

.footer-email:hover {
    color: var(--accent);
}

.footer-copy {
    font-size: var(--font-size-xs);
    color: var(--text-muted);
}

/* ==========================================
   AI Widget
   ========================================== */
.ai-widget {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    z-index: 100;
}

.ai-trigger {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-primary);
    transition: all var(--transition);
}

.ai-trigger:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.ai-panel {
    display: none;
    position: absolute;
    bottom: 60px;
    right: 0;
    width: 320px;
    max-height: 400px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    flex-direction: column;
}

.ai-panel.active {
    display: flex;
}

.ai-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md);
    border-bottom: 1px solid var(--border);
    font-weight: 500;
}

.ai-close {
    font-size: var(--font-size-xl);
    color: var(--text-muted);
    line-height: 1;
}

.ai-messages {
    flex: 1;
    padding: var(--space-md);
    overflow-y: auto;
}

.ai-message {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    margin-bottom: var(--space-sm);
}

.ai-message.bot {
    background: var(--accent-soft);
    color: var(--text-primary);
}

.ai-message.user {
    background: var(--border);
    color: var(--text-primary);
    margin-left: auto;
    max-width: 80%;
}

.ai-input-row {
    display: flex;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-top: 1px solid var(--border);
}

.ai-input-row input {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.ai-input-row button {
    padding: var(--space-sm) var(--space-md);
    background: var(--accent);
    color: white;
    border-radius: var(--radius-md);
    font-weight: 500;
}

@media (max-width: 480px) {
    .ai-widget {
        bottom: var(--space-md);
        right: var(--space-md);
    }

    .ai-panel {
        width: calc(100vw - 32px);
        right: -8px;
    }
}