:root {
    --bg: #08111f;
    --panel: #0f1b2e;
    --panel-2: #13223a;
    --text: #e7eefc;
    --muted: #91a4c2;
    --line: rgba(255,255,255,.09);
    --brand: #67e8f9;
    --brand-2: #38bdf8;
    --danger: #fb7185;
    --success: #34d399;
    --shadow: 0 18px 60px rgba(0,0,0,.35);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(56,189,248,.18), transparent 32rem),
        radial-gradient(circle at top right, rgba(103,232,249,.13), transparent 28rem),
        var(--bg);
    color: var(--text);
    min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
.topbar {
    position: sticky;
    top: 0;
    z-index: 5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1rem clamp(1rem, 4vw, 3rem);
    background: rgba(8,17,31,.82);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(18px);
}
.admin-topbar { background: rgba(15,27,46,.92); }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-weight: 800; letter-spacing: .02em; }
.brand.center { justify-content: center; width: 100%; }
.logo-mark {
    width: 2.4rem;
    height: 2.4rem;
    border-radius: .8rem;
    display: inline-grid;
    place-items: center;
    color: #06101d;
    font-weight: 900;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    box-shadow: 0 0 0 6px rgba(103,232,249,.08);
}
nav { display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
nav a {
    color: var(--muted);
    padding: .55rem .8rem;
    border-radius: .75rem;
}
nav a:hover { background: rgba(255,255,255,.06); color: var(--text); }
.container { width: min(1120px, calc(100% - 2rem)); margin: 0 auto; padding: 2.2rem 0 3rem; }
.container.narrow { width: min(820px, calc(100% - 2rem)); }
.hero {
    display: grid;
    grid-template-columns: 1.45fr .75fr;
    gap: 1.4rem;
    align-items: stretch;
    padding: clamp(1.2rem, 4vw, 2.2rem);
    border: 1px solid var(--line);
    border-radius: 2rem;
    background: linear-gradient(145deg, rgba(15,27,46,.94), rgba(19,34,58,.7));
    box-shadow: var(--shadow);
}
.eyebrow { margin: 0 0 .65rem; color: var(--brand); font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.12; }
h1 { font-size: clamp(2rem, 5vw, 4.1rem); letter-spacing: -.055em; }
h2 { font-size: clamp(1.35rem, 3vw, 2rem); letter-spacing: -.03em; }
h3 { font-size: 1.08rem; }
.hero-text { color: var(--muted); font-size: 1.04rem; line-height: 1.7; max-width: 64ch; }
.search { display: flex; gap: .7rem; margin-top: 1.5rem; }
input, textarea, button { font: inherit; }
input, textarea {
    width: 100%;
    color: var(--text);
    background: rgba(255,255,255,.055);
    border: 1px solid var(--line);
    border-radius: .95rem;
    padding: .9rem 1rem;
    outline: none;
}
input:focus, textarea:focus { border-color: rgba(103,232,249,.55); box-shadow: 0 0 0 4px rgba(103,232,249,.08); }
button { cursor: pointer; border: 0; }
.search button, .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    white-space: nowrap;
    padding: .86rem 1.05rem;
    border-radius: .95rem;
    color: var(--text);
    background: rgba(255,255,255,.08);
    border: 1px solid var(--line);
    font-weight: 750;
}
.btn.primary, .search button {
    color: #04101d;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    border-color: transparent;
}
.btn.ghost:hover, .btn:hover, .search button:hover { transform: translateY(-1px); }
.btn.big { width: 100%; margin: 1.2rem 0; padding: 1rem 1.1rem; }
.stats-card, .admin-stats {
    display: grid;
    gap: .8rem;
}
.stats-card div, .admin-stats div {
    border: 1px solid var(--line);
    background: rgba(255,255,255,.045);
    border-radius: 1.3rem;
    padding: 1rem;
}
.stats-card strong, .admin-stats strong { display: block; font-size: 1.7rem; letter-spacing: -.04em; }
.stats-card span, .admin-stats span { color: var(--muted); font-size: .9rem; }
.section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 1rem;
    margin: 2rem 0 1rem;
}
.section-head a { color: var(--brand); font-weight: 700; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.file-card, .detail-card, .panel, .login-card {
    border: 1px solid var(--line);
    background: rgba(15,27,46,.78);
    border-radius: 1.5rem;
    box-shadow: var(--shadow);
}
.file-card {
    display: flex;
    gap: 1rem;
    padding: 1rem;
}
.file-icon, .detail-icon {
    flex: 0 0 auto;
    display: grid;
    place-items: center;
    width: 4.2rem;
    height: 4.2rem;
    border-radius: 1.2rem;
    color: #04101d;
    background: linear-gradient(135deg, var(--brand), var(--brand-2));
    font-weight: 900;
    font-size: .82rem;
    letter-spacing: .04em;
}
.file-body { min-width: 0; }
.file-card h3 a:hover { color: var(--brand); }
.muted { color: var(--muted); }
.filename { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin: .35rem 0; }
.meta { display: flex; flex-wrap: wrap; gap: .45rem; margin: .7rem 0; }
.meta span {
    color: var(--muted);
    font-size: .82rem;
    border: 1px solid var(--line);
    border-radius: 99px;
    padding: .28rem .55rem;
    background: rgba(255,255,255,.04);
}
.desc { color: #c3d2eb; line-height: 1.55; }
.empty, .empty-row { color: var(--muted); text-align: center; padding: 2rem; border: 1px dashed var(--line); border-radius: 1.2rem; }
.detail-card { display: grid; grid-template-columns: 7rem 1fr; gap: 1.3rem; padding: clamp(1rem, 4vw, 2rem); }
.detail-icon { width: 7rem; height: 7rem; border-radius: 1.6rem; font-size: 1rem; }
.detail-table { display: grid; gap: .7rem; margin-top: 1.2rem; }
.detail-table div {
    display: grid;
    grid-template-columns: 10rem 1fr;
    gap: 1rem;
    padding: .9rem 0;
    border-bottom: 1px solid var(--line);
}
.detail-table span { color: var(--muted); }
.detail-table strong { overflow-wrap: anywhere; }
.share-label { display: block; color: var(--muted); margin: .9rem 0 .45rem; }
.share-box { cursor: pointer; }
.footer { color: var(--muted); text-align: center; padding: 2rem 1rem; border-top: 1px solid var(--line); }
.admin-stats { grid-template-columns: repeat(3, 1fr); margin-bottom: 1rem; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 1.2rem; background: rgba(15,27,46,.72); }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { text-align: left; padding: .95rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .08em; }
.actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.actions a { color: var(--brand); font-weight: 700; }
.actions form { display: inline; }
.actions button { color: var(--danger); background: transparent; font-weight: 800; padding: 0; }
.panel { padding: clamp(1rem, 4vw, 2rem); }
.form-stack { display: grid; gap: .75rem; margin-top: 1.2rem; }
.form-stack label { color: #c7d7ef; font-weight: 700; }
.alert { padding: .9rem 1rem; border-radius: .95rem; margin: 1rem 0; border: 1px solid var(--line); }
.alert.error { color: #fecdd3; background: rgba(251,113,133,.1); }
.alert.success { color: #bbf7d0; background: rgba(52,211,153,.1); }
.admin-bg { display: grid; place-items: center; padding: 1rem; }
.login-card { width: min(420px, 100%); padding: 1.5rem; }
.login-card h1 { font-size: 2rem; margin-top: 1.2rem; }
.tiny { font-size: .82rem; line-height: 1.5; }

@media (max-width: 800px) {
    .hero, .grid, .detail-card { grid-template-columns: 1fr; }
    .stats-card, .admin-stats { grid-template-columns: 1fr; }
    .search { flex-direction: column; }
    .detail-table div { grid-template-columns: 1fr; gap: .3rem; }
    .topbar { align-items: flex-start; flex-direction: column; }
}