:root {
    --bg: #111315;
    --bg-accent: #0d0f12;
    --card: #1a1d21;
    --card-soft: #20242a;
    --line: #2b3138;
    --line-strong: #39414a;
    --text: #f3f4f6;
    --sub: #a1a1aa;
    --accent: #22c55e;
    --accent-strong: #16a34a;
    --accent-soft: rgba(34, 197, 94, 0.14);
    --shadow: 0 18px 40px rgba(0, 0, 0, 0.32);
    --radius: 22px;
}

* { box-sizing: border-box; }

html {
    color-scheme: dark;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(34, 197, 94, 0.08), transparent 28%),
        linear-gradient(180deg, var(--bg-accent) 0%, var(--bg) 100%);
    color: var(--text);
}

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

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 32px auto 60px;
}

.page-title {
    margin: 0 0 20px;
    font-size: 30px;
    letter-spacing: 0.02em;
}

.muted {
    color: var(--sub);
}

.hidden {
    display: none;
}

.card {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01)), var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.section {
    padding: 24px;
}

.section + .section {
    margin-top: 22px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 18px;
    gap: 16px;
}

.section-title {
    margin: 0;
    font-size: 22px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 14px;
    border-radius: 999px;
    border: 1px solid var(--line-strong);
    background: var(--card-soft);
    color: var(--text);
    cursor: pointer;
    font-size: 14px;
    transition: border-color .15s ease, transform .15s ease, background .15s ease;
}

.btn:hover {
    transform: translateY(-1px);
    border-color: var(--accent);
    background: #23282f;
}

.btn-primary {
    border-color: var(--accent-strong);
    background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
    color: #08110b;
    font-weight: 700;
}

.btn-primary:hover {
    background: linear-gradient(180deg, #34d399 0%, #16a34a 100%);
}

.messages {
    margin-bottom: 18px;
}

.message {
    padding: 12px 16px;
    border-radius: 14px;
    margin-bottom: 10px;
    border: 1px solid var(--line-strong);
    background: rgba(255, 255, 255, 0.03);
    color: var(--text);
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 18px;
}

.thumb-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.015), rgba(255, 255, 255, 0.005)), var(--card);
    transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.thumb-card:hover {
    transform: translateY(-2px);
    border-color: var(--accent-strong);
    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.28);
}

.thumb-card img {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    display: block;
    background: #23272d;
}

.thumb-card-body {
    padding: 14px;
}

.thumb-card h3 {
    margin: 0 0 8px;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
}

.meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 12px;
    font-size: 13px;
    color: var(--sub);
}

.empty {
    padding: 16px;
    border: 1px dashed var(--line-strong);
    border-radius: 18px;
    color: var(--sub);
    background: rgba(255, 255, 255, 0.02);
}

code {
    color: #bbf7d0;
}


.page-footer-nav {
    position: sticky;
    bottom: 16px;
    z-index: 10;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 24px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(17, 19, 21, 0.92);
    backdrop-filter: blur(12px);
    box-shadow: var(--shadow);
}

.footer-tab {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 48px;
    border-radius: 14px;
    border: 1px solid var(--line-strong);
    background: var(--card-soft);
    color: var(--sub);
    font-weight: 700;
    letter-spacing: 0.06em;
    transition: border-color .15s ease, background .15s ease, color .15s ease, transform .15s ease;
}

.footer-tab:hover {
    border-color: var(--accent);
    color: var(--text);
    transform: translateY(-1px);
}

.footer-tab.is-active {
    background: linear-gradient(180deg, #22c55e 0%, #16a34a 100%);
    border-color: var(--accent-strong);
    color: #08110b;
}