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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
    background: #ffffff;
    color: #09090b;
    min-height: 100vh;
    padding: 20px;
    position: relative;
}

#bg-canvas {
    position: fixed;
    inset: 0;
    z-index: -1;
    pointer-events: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.header {
    text-align: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 2.5rem;
    color: #09090b;
    font-weight: 600;
    margin-bottom: 10px;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    background: #fff;
    border: 1px solid #e4e4e7;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .1);
    transition: all .2s;
    z-index: 1000;
}

.theme-toggle:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, .15);
}

.section {
    margin-bottom: 40px;
}

.section-title {
    font-size: 1.5rem;
    color: #09090b;
    font-weight: 600;
    border-left: 3px solid #d5d5d5;
    padding-left: 15px;
    margin-bottom: 20px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.card {
    background: #fff;
    border: 1px solid #e4e4e7;
    border-radius: 8px;
    padding: 20px;
    transition: all .2s;
    text-decoration: none;
    color: inherit;
    display: block;
    cursor: pointer;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .1);
    border-color: #3b82f6;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: #09090b;
}

.card-description {
    font-size: .9rem;
    color: #71717a;
    line-height: 1.4;
}

.sold-domain-card {
    opacity: 0.85;
    cursor: pointer;
}

.sold-domain-card .card-title {
    color: #71717a;
}

.sold-domain-card .card-description {
    color: #a1a1aa;
    font-style: italic;
}

.error-message, .empty-message {
    grid-column: 1 / -1;
    text-align: center;
    padding: 40px 20px;
    color: #71717a;
    font-size: 1rem;
}

.footer {
    text-align: center;
    margin-top: 60px;
    padding: 20px;
    color: #71717a;
    font-size: .9rem;
}

.footer a {
    color: #71717a;
    text-decoration: none;
}

.footer a:hover {
    text-decoration: none;
}


.dark-theme {
    background: #09090b;
    color: #fafafa;
}

.dark-theme .header h1 {
    color: #fafafa;
}

.dark-theme .card {
    background: #18181b;
    border-color: #27272a;
    color: #fafafa;
}

.dark-theme .card:hover {
    border-color: #3b82f6;
}

.dark-theme .card-title {
    color: #fafafa;
}

.dark-theme .card-description {
    color: #a1a1aa;
}

.dark-theme .sold-domain-card {
    cursor: not-allowed;
}

.dark-theme .sold-domain-card .card-title {
    color: #a1a1aa;
}

.dark-theme .sold-domain-card .card-description {
    color: #71717a;
}

.dark-theme .section-title {
    color: #fafafa;
    border-color: #3f3f46;
}

.dark-theme .theme-toggle {
    background: #18181b;
    border-color: #27272a;
    color: #fafafa;
}

.dark-theme .footer {
    color: #a1a1aa;
}


@media(max-width:768px) {
    .header h1 {
        font-size: 2rem;
    }

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

    .theme-toggle {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}