/* DomainXHub — Premium Design System */

:root {
    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-serif: 'Instrument Serif', Georgia, serif;

    --color-bg: #fafafa;
    --color-bg-elevated: #ffffff;
    --color-bg-subtle: #f4f4f5;
    --color-border: #e4e4e7;
    --color-border-subtle: #f0f0f2;
    --color-text: #18181b;
    --color-text-secondary: #71717a;
    --color-text-tertiary: #a1a1aa;
    --color-accent: #2563eb;
    --color-accent-hover: #1d4ed8;
    --color-accent-subtle: #eff6ff;
    --color-premium: #b45309;
    --color-premium-bg: #fffbeb;
    --color-success: #16a34a;
    --color-success-bg: #f0fdf4;
    --color-error: #dc2626;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.08);
    --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 0 0 1px var(--color-border-subtle);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;

    --header-height: 64px;
    --container-max: 1200px;
    --transition: 0.2s ease;
}

[data-theme="dark"] {
    --color-bg: #09090b;
    --color-bg-elevated: #18181b;
    --color-bg-subtle: #27272a;
    --color-border: #3f3f46;
    --color-border-subtle: #27272a;
    --color-text: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    --color-accent: #3b82f6;
    --color-accent-hover: #60a5fa;
    --color-accent-subtle: #172554;
    --color-premium: #fbbf24;
    --color-premium-bg: #422006;
    --color-success-bg: #052e16;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.3);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.4);
    --shadow-card: 0 0 0 1px var(--color-border);
}

@media (prefers-color-scheme: dark) {
    [data-theme="system"] {
        --color-bg: #09090b;
        --color-bg-elevated: #18181b;
        --color-bg-subtle: #27272a;
        --color-border: #3f3f46;
        --color-border-subtle: #27272a;
        --color-text: #fafafa;
        --color-text-secondary: #a1a1aa;
        --color-text-tertiary: #71717a;
        --color-accent: #3b82f6;
        --color-accent-hover: #60a5fa;
        --color-accent-subtle: #172554;
        --color-premium: #fbbf24;
        --color-premium-bg: #422006;
        --color-success-bg: #052e16;
        --shadow-card: 0 0 0 1px var(--color-border);
    }
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

#main-content { flex: 1; }

a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-hover); }

img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow { max-width: 720px; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(250,250,250,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border-subtle);
    height: var(--header-height);
}

[data-theme="dark"] .site-header,
[data-theme="system"] .site-header { background: rgba(9,9,11,0.85); }

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .site-header { background: rgba(9,9,11,0.85); }
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.125rem;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

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

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

.logo-bg { fill: var(--color-accent); }
.logo-mark { fill: white; }

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 14px;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--radius-sm);
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
    transition: all var(--transition);
    text-decoration: none;
}

.nav-link:hover { color: var(--color-text); background: var(--color-bg-subtle); }

.nav-dropdown { position: relative; }

.nav-dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 200px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: 6px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all var(--transition);
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown.open .nav-dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown-item {
    display: block;
    padding: 8px 12px;
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
}

.nav-dropdown-item:hover { background: var(--color-bg-subtle); color: var(--color-text); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: all var(--transition);
    text-decoration: none;
}

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

.favorites-count {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--color-accent);
    color: white;
    font-size: 0.625rem;
    font-weight: 700;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-toggle .icon-moon { display: none; }
[data-theme="dark"] .theme-toggle .icon-sun { display: none; }
[data-theme="dark"] .theme-toggle .icon-moon { display: block; }

@media (prefers-color-scheme: dark) {
    [data-theme="system"] .theme-toggle .icon-sun { display: none; }
    [data-theme="system"] .theme-toggle .icon-moon { display: block; }
}

.mobile-menu-toggle { display: none; }

/* Mobile Nav */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    max-width: 85vw;
    height: 100vh;
    background: var(--color-bg-elevated);
    border-left: 1px solid var(--color-border);
    z-index: 200;
    transition: right 0.3s ease;
    overflow-y: auto;
    padding: calc(var(--header-height) + 16px) 24px 24px;
}

.mobile-nav.open { right: 0; }

.mobile-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 199;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-nav-overlay.open { opacity: 1; visibility: visible; }

.mobile-nav-link {
    display: block;
    padding: 12px 0;
    color: var(--color-text);
    font-weight: 500;
    text-decoration: none;
    border-bottom: 1px solid var(--color-border-subtle);
}

.mobile-nav-sublink { padding-left: 16px; color: var(--color-text-secondary); font-weight: 400; }

.mobile-nav-divider { height: 1px; background: var(--color-border); margin: 16px 0; }

.mobile-nav-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: 8px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
}

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

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

.btn-secondary {
    background: var(--color-bg-elevated);
    color: var(--color-text);
    border-color: var(--color-border);
}

.btn-secondary:hover { background: var(--color-bg-subtle); color: var(--color-text); }

.btn-sm { padding: 7px 14px; font-size: 0.8125rem; }
.btn-lg { padding: 14px 28px; font-size: 1rem; }
.btn-block { width: 100%; }

.hide-mobile { display: inline-flex; }

/* Hero */
.hero {
    position: relative;
    padding: 80px 0 100px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--color-border-subtle) 1px, transparent 1px),
        linear-gradient(90deg, var(--color-border-subtle) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 70%);
    opacity: 0.5;
}

.hero-glow {
    position: absolute;
    top: -20%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 500px;
    background: radial-gradient(ellipse, var(--color-accent-subtle) 0%, transparent 70%);
    opacity: 0.6;
}

.floating-domains {
    position: absolute;
    inset: 0;
}

.float-domain {
    position: absolute;
    left: var(--x);
    top: var(--y);
    padding: 8px 16px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    box-shadow: var(--shadow-sm);
    animation: float 8s ease-in-out infinite;
    animation-delay: var(--delay);
    white-space: nowrap;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@media (prefers-reduced-motion: reduce) {
    .float-domain { animation: none; }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 720px;
}

.hero-eyebrow {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.02em;
    margin-bottom: 16px;
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 20px;
}

.hero-title em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

/* Search Form */
.search-form {
    display: flex;
    gap: 12px;
    max-width: 600px;
    margin: 0 auto;
}

.search-form-large { max-width: 640px; }

.search-input-wrap {
    flex: 1;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-tertiary);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    font-family: inherit;
    font-size: 1rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition: all var(--transition);
    outline: none;
}

.search-input:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-subtle);
}

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

.popular-searches {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 24px;
}

.popular-label {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.popular-tag {
    padding: 4px 12px;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    text-decoration: none;
    transition: all var(--transition);
}

.popular-tag:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: var(--color-accent-subtle);
}

/* Sections */
.section { padding: 64px 0; }

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
}

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.section-desc {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
}

.section-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-accent);
    text-decoration: none;
}

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

/* Domain Grid */
.domain-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

/* Domain Card */
.domain-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.domain-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 12px;
}

.domain-card-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-text);
    text-decoration: none;
    letter-spacing: -0.01em;
    word-break: break-all;
}

.domain-card-name:hover { color: var(--color-accent); }

.btn-favorite {
    background: none;
    border: none;
    color: var(--color-text-tertiary);
    cursor: pointer;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    flex-shrink: 0;
}

.btn-favorite:hover { color: #ef4444; }
.btn-favorite.active { color: #ef4444; }
.btn-favorite.active svg { fill: #ef4444; }

.domain-card-price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.domain-card-category {
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--color-accent);
}

.domain-card-desc {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.domain-card-meta {
    display: flex;
    gap: 12px;
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-top: 4px;
}

.domain-card-actions {
    display: flex;
    gap: 8px;
    margin-top: auto;
    padding-top: 12px;
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-radius: 100px;
    width: fit-content;
}

.badge-premium {
    background: var(--color-premium-bg);
    color: var(--color-premium);
}

.badge-lg { font-size: 0.75rem; padding: 4px 12px; }

.badge-soon {
    background: var(--color-bg-subtle);
    color: var(--color-text-tertiary);
    text-transform: none;
    letter-spacing: 0;
    font-size: 0.75rem;
}

/* Category Grid */
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.category-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: all var(--transition);
}

.category-card:hover {
    border-color: var(--color-accent);
    background: var(--color-accent-subtle);
    color: var(--color-accent);
}

.category-card svg { opacity: 0; transition: opacity var(--transition); }
.category-card:hover svg { opacity: 1; }

/* CTA Section */
.cta-section { padding-bottom: 80px; }

.cta-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 48px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
}

.cta-title {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 8px;
}

.cta-desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
}

/* Page Hero */
.page-hero {
    padding: 48px 0 32px;
    border-bottom: 1px solid var(--color-border-subtle);
}

.page-hero-premium {
    background: linear-gradient(180deg, var(--color-accent-subtle) 0%, var(--color-bg) 100%);
    border-bottom: none;
}

.page-eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 12px;
}

.page-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
}

.page-subtitle {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    max-width: 560px;
}

.page-header {
    padding: 32px 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

.breadcrumb a { color: var(--color-text-secondary); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-accent); }

/* Search Layout */
.search-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 40px;
    align-items: start;
}

.filters-panel {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
}

.filter-group { margin-bottom: 20px; }

.filter-label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.filter-input, .filter-select {
    width: 100%;
    padding: 8px 12px;
    font-family: inherit;
    font-size: 0.875rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    outline: none;
}

.filter-input:focus, .filter-select:focus {
    border-color: var(--color-accent);
}

.filter-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-sep { color: var(--color-text-tertiary); }

.filter-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    cursor: pointer;
}

.filter-checkbox input { accent-color: var(--color-accent); }

.results-header {
    margin-bottom: 24px;
}

.results-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.results-count {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Domain Detail */
.domain-detail-hero {
    padding: 40px 0;
    border-bottom: 1px solid var(--color-border-subtle);
}

.domain-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 32px;
    flex-wrap: wrap;
}

.domain-detail-name {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin-bottom: 12px;
    word-break: break-all;
}

.domain-detail-price {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 16px 0;
}

.domain-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.domain-detail-meta span::before {
    content: '·';
    margin-right: 16px;
    color: var(--color-text-tertiary);
}

.domain-detail-meta span:first-child::before { display: none; }

.domain-detail-actions {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: flex-end;
}

.btn-favorite-lg {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-bg-elevated);
}

.domain-detail-cta {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.domain-detail-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 48px;
}

.domain-detail-info h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.domain-detail-info h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 24px 0 12px;
}

.domain-description {
    font-size: 1.0625rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

.ideal-for-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ideal-for-list li {
    padding: 10px 16px;
    background: var(--color-bg-subtle);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.ideal-for-list li::before {
    content: '→ ';
    color: var(--color-accent);
    font-weight: 600;
}

.info-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 24px;
    position: sticky;
    top: calc(var(--header-height) + 24px);
}

.info-card h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

.info-list { display: flex; flex-direction: column; gap: 12px; }

.info-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 16px;
    font-size: 0.875rem;
}

.info-row dt { color: var(--color-text-secondary); }
.info-row dd { font-weight: 500; text-align: right; }

.status-badge {
    padding: 2px 8px;
    background: var(--color-success-bg);
    color: var(--color-success);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Forms */
.form { display: flex; flex-direction: column; gap: 16px; }

.form-group { display: flex; flex-direction: column; gap: 6px; }

.form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-text);
}

.form-input {
    padding: 10px 14px;
    font-family: inherit;
    font-size: 0.9375rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    outline: none;
    transition: border-color var(--transition);
    resize: vertical;
}

.form-input:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px var(--color-accent-subtle); }

.form-note {
    font-size: 0.75rem;
    color: var(--color-text-tertiary);
    margin-top: 8px;
}

.form-note code {
    background: var(--color-bg-subtle);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 0.6875rem;
}

/* Modal */
.modal {
    position: fixed;
    inset: 0;
    z-index: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s ease;
}

.modal.open { opacity: 1; visibility: visible; }

.modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
}

.modal-content {
    position: relative;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 32px;
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: translateY(8px);
    transition: transform 0.2s ease;
}

.modal.open .modal-content { transform: translateY(0); }

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-text-tertiary);
    cursor: pointer;
    line-height: 1;
}

.modal-content h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    padding-right: 32px;
}

.modal-content > p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 24px;
}

/* Alert */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.alert-success {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid rgba(22,163,74,0.2);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 64px 24px;
}

.empty-icon {
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

.empty-state h2 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.empty-state p { color: var(--color-text-secondary); margin-bottom: 8px; }

.empty-query {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    font-style: italic;
}

.empty-hint { font-size: 0.875rem; margin-bottom: 24px !important; }

.empty-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

/* Error Page */
.error-page {
    padding: 120px 0;
    text-align: center;
}

.error-code {
    font-size: 5rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    margin-bottom: 16px;
}

.error-content h1 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.error-content p { color: var(--color-text-secondary); margin-bottom: 8px; }

.error-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 24px;
}

/* Pagination */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}

.pagination-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: all var(--transition);
}

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

.pagination-info {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Tools */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.tool-card {
    padding: 32px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    transition: all var(--transition);
}

.tool-card:hover { border-color: var(--color-border); box-shadow: var(--shadow-sm); }

.tool-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-subtle);
    color: var(--color-accent);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
}

.tool-card h3 {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.tool-card p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
}

/* Sell Page */
.sell-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
}

.sell-benefits {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.sell-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.sell-benefits svg { color: var(--color-success); flex-shrink: 0; }

.sell-form-card,
.contact-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.sell-form-card h2 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 24px;
}

/* Prose */
.prose { line-height: 1.7; }
.prose h2 { font-size: 1.25rem; font-weight: 700; margin: 32px 0 12px; }
.prose p { color: var(--color-text-secondary); margin-bottom: 16px; }
.prose ul { margin: 0 0 16px 20px; color: var(--color-text-secondary); }
.prose li { margin-bottom: 8px; }
.prose em { color: var(--color-text-tertiary); font-size: 0.875rem; }

/* Footer */
.site-footer {
    border-top: 1px solid var(--color-border-subtle);
    padding: 64px 0 32px;
    margin-top: auto;
    background: var(--color-bg-elevated);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-tagline {
    font-weight: 600;
    font-size: 0.875rem;
    margin: 12px 0 4px;
}

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

.footer-heading {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-tertiary);
    margin-bottom: 16px;
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
}

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

.footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--color-border-subtle);
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

/* Responsive */
@media (max-width: 1024px) {
    .domain-grid { grid-template-columns: repeat(2, 1fr); }
    .category-grid { grid-template-columns: repeat(3, 1fr); }
    .search-layout { grid-template-columns: 1fr; }
    .filters-panel { position: static; }
    .domain-detail-grid { grid-template-columns: 1fr; }
    .info-card { position: static; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-desktop { display: none; }
    .mobile-menu-toggle { display: flex; }
    .hide-mobile { display: none !important; }

    .hero { padding: 48px 0 64px; }
    .search-form { flex-direction: column; }
    .search-form .btn { width: 100%; }

    .domain-grid { grid-template-columns: 1fr; }
    .category-grid { grid-template-columns: repeat(2, 1fr); }
    .cta-card { flex-direction: column; text-align: center; padding: 32px 24px; }

    .domain-detail-header { flex-direction: column; }
    .domain-detail-actions { align-items: stretch; width: 100%; }
    .domain-detail-cta { flex-direction: column; }
    .domain-detail-cta .btn { width: 100%; }

    .tools-grid { grid-template-columns: 1fr; }
    .sell-content { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 32px; }

    .float-domain { display: none; }
    .float-domain:nth-child(1),
    .float-domain:nth-child(2) { display: block; font-size: 0.75rem; padding: 6px 12px; }
}

@media (max-width: 480px) {
    .category-grid { grid-template-columns: 1fr; }
    .container { padding: 0 16px; }
}