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

:root {
    --color-bg: #0a0a0a;
    --color-surface: rgba(255, 255, 255, 0.03);
    --color-surface-hover: rgba(255, 255, 255, 0.06);
    --color-border: rgba(255, 255, 255, 0.08);
    --color-border-hover: rgba(255, 255, 255, 0.15);
    --color-text: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.5);
    --color-text-muted: rgba(255, 255, 255, 0.3);
    --color-accent: #ffffff;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --grid-max-width: 1200px;
    --grid-gap: 24px;
}

html {
    font-size: 16px;
}

body {
    font-family: var(--font-main);
    font-weight: 400;
    line-height: 1.5;
    color: var(--color-text);
    background: var(--color-bg);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://img.lunarbyte.pw/images/2026/05/25/390ce7f47029d23615bd2f1d249bf72b.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    filter: blur(20px) brightness(0.85);
    opacity: 0;
    z-index: -1;
    transition: opacity 1s ease;
}

.background-overlay.loaded {
    opacity: 0.6;
}

.container {
    max-width: var(--grid-max-width);
    margin: 0 auto;
    padding: 60px 40px;
}

.header {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
    padding-bottom: 80px;
    border-bottom: 1px solid var(--color-border);
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 16px;
}

.logo h1 {
    font-size: 32px;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-text);
}

.logo-sub {
    font-size: 14px;
    font-weight: 300;
    letter-spacing: 0.3em;
    color: var(--color-text-secondary);
    text-transform: uppercase;
}

.header-right {
    display: flex;
    align-items: center;
}

.search-box {
    position: relative;
    width: 280px;
}

.search-box input {
    width: 100%;
    padding: 14px 0;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text);
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.05em;
    outline: none;
    transition: border-color 0.3s ease;
}

.search-box input::placeholder {
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

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

.search-line {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s ease, left 0.3s ease;
}

.search-box input:focus ~ .search-line {
    width: 100%;
    left: 0;
}

.main-content {
    padding: 60px 0;
}

.hero {
    margin-bottom: 60px;
}

.hero h2 {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.4em;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.hero p {
    font-size: 32px;
    font-weight: 300;
    letter-spacing: 0.02em;
    color: var(--color-text);
    line-height: 1.3;
}

.categories {
    display: flex;
    gap: 8px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.category {
    padding: 10px 20px;
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.category.active {
    background: var(--color-text);
    border-color: var(--color-text);
    color: var(--color-bg);
}

.divider {
    height: 1px;
    background: var(--color-border);
    margin-bottom: 40px;
}

.websites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--grid-gap);
}

.website-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    padding: 32px;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.website-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-text);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.website-card:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-border-hover);
}

.website-card:hover::before {
    transform: scaleX(1);
}

.website-name {
    font-size: 18px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: var(--color-text);
    margin-bottom: 8px;
}

.website-description {
    font-size: 13px;
    font-weight: 400;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

.footer {
    padding: 60px 0 40px;
    border-top: 1px solid var(--color-border);
    margin-top: 80px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    text-align: center;
}

.copyright {
    font-size: 11px;
    font-weight: 400;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
}

.footer-links a {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.separator {
    font-size: 11px;
    color: var(--color-text-muted);
}

.beian {
    font-size: 10px;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
}

.beian a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 40px;
    border: 1px solid var(--color-border);
}

.no-results h3 {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.2em;
    color: var(--color-text-secondary);
    margin-bottom: 8px;
}

.no-results p {
    font-size: 12px;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
}

@media (max-width: 1024px) {
    .container {
        padding: 40px 32px;
    }

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

@media (max-width: 768px) {
    .container {
        padding: 32px 24px;
    }

    .header {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-bottom: 48px;
    }

    .logo h1 {
        font-size: 24px;
    }

    .search-box {
        width: 100%;
        max-width: 400px;
    }

    .hero p {
        font-size: 24px;
    }

    .categories {
        gap: 8px;
    }

    .category {
        padding: 8px 16px;
        font-size: 10px;
    }

    .websites-grid {
        grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 16px;
    }

    .website-card {
        padding: 24px;
    }

    .footer {
        padding: 48px 0 32px;
        margin-top: 60px;
    }

    .footer-links {
        gap: 12px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 24px 16px;
    }

    .header {
        padding-bottom: 32px;
    }

    .logo {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }

    .logo h1 {
        font-size: 20px;
        letter-spacing: 0.15em;
    }

    .logo-sub {
        font-size: 11px;
        letter-spacing: 0.25em;
    }

    .hero {
        margin-bottom: 40px;
    }

    .hero h2 {
        font-size: 11px;
        letter-spacing: 0.3em;
    }

    .hero p {
        font-size: 20px;
        font-weight: 300;
    }

    .categories {
        gap: 6px;
    }

    .category {
        padding: 8px 12px;
        font-size: 9px;
        letter-spacing: 0.1em;
    }

    .websites-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .website-card {
        padding: 20px;
    }

    .website-name {
        font-size: 16px;
    }

    .website-description {
        font-size: 12px;
    }

    .footer {
        padding: 40px 0 24px;
        margin-top: 40px;
    }

    .footer-links {
        flex-direction: column;
        gap: 16px;
    }

    .separator {
        display: none;
    }

    .footer-links a {
        font-size: 10px;
    }
}