:root {
    --bg: #050816;
    --panel: rgba(255, 255, 255, .07);
    --panel-strong: rgba(255, 255, 255, .11);
    --text: #f8fafc;
    --muted: #94a3b8;
    --line: rgba(148, 163, 184, .24);
    --accent: #38bdf8;
    --accent-2: #22c55e;
    --danger: #ef4444;
    --warning: #f59e0b;
    --radius: 22px;
    --shadow: 0 24px 80px rgba(0, 0, 0, .35);
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
    margin: 0; min-height: 100vh; font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background:
        radial-gradient(circle at 18% 12%, rgba(56, 189, 248, .24), transparent 30%),
        radial-gradient(circle at 82% 18%, rgba(34, 197, 94, .13), transparent 28%),
        radial-gradient(circle at 50% 100%, rgba(99, 102, 241, .18), transparent 34%),
        linear-gradient(145deg, #020617 0%, #07111f 46%, #050816 100%);
}
a { color: inherit; text-decoration: none; }
b { color: #fff; }
.app-shell, .topbar__inner { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.topbar { position: sticky; top: 0; z-index: 50; backdrop-filter: blur(18px); background: rgba(2, 6, 23, .68); border-bottom: 1px solid var(--line); }
.topbar__inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.03em; }
.brand__mark { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; background: linear-gradient(135deg, rgba(56, 189, 248, .95), rgba(59, 130, 246, .86)); box-shadow: 0 0 34px rgba(56, 189, 248, .42); }
.nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.nav a, .nav-form button { padding: 10px 13px; border-radius: 999px; color: var(--muted); font-size: 14px; transition: .16s ease; border: 0; background: transparent; cursor: pointer; font-family: inherit; }
.nav a:hover, .nav a.is-active, .nav-form button:hover { color: #fff; background: var(--panel-strong); }
.nav-form { margin: 0; }
.main { padding: 34px 0 56px; }
.hero { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(280px, .75fr); gap: 22px; align-items: stretch; }
.card { border: 1px solid var(--line); background: var(--panel); border-radius: var(--radius); box-shadow: var(--shadow); backdrop-filter: blur(16px); }
.card--padded { padding: clamp(22px, 4vw, 40px); }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid rgba(56, 189, 248, .28); border-radius: 999px; color: #bae6fd; background: rgba(56, 189, 248, .09); font-size: 13px; font-weight: 700; }
h1, h2, h3 { margin: 0; letter-spacing: -.045em; }
h1 { margin-top: 18px; font-size: clamp(34px, 6vw, 68px); line-height: .94; }
h2 { font-size: clamp(24px, 3vw, 36px); }
p { color: var(--muted); line-height: 1.65; }
.lead { margin-top: 18px; font-size: clamp(16px, 2vw, 20px); max-width: 760px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 44px; padding: 0 18px; border: 1px solid var(--line); border-radius: 14px; color: #fff; background: rgba(255, 255, 255, .07); font-weight: 800; cursor: pointer; font-family: inherit; }
.btn--primary { border-color: rgba(56, 189, 248, .45); background: linear-gradient(135deg, #0ea5e9, #2563eb); box-shadow: 0 18px 44px rgba(37, 99, 235, .26); }
.btn--danger { border-color: rgba(239, 68, 68, .5); background: rgba(239, 68, 68, .16); }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 22px; }
.feature { padding: 20px; }
.feature__icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 14px; background: rgba(56, 189, 248, .13); color: #7dd3fc; }
.feature h3 { margin-top: 14px; font-size: 18px; }
.stat-list { display: grid; gap: 12px; }
.stat { padding: 18px; border-radius: 18px; background: rgba(255, 255, 255, .06); border: 1px solid var(--line); }
.stat strong { display: block; font-size: 28px; letter-spacing: -.04em; }
.stat span { color: var(--muted); font-size: 13px; }
.form { max-width: 520px; display: grid; gap: 14px; }
.form--wide { max-width: 820px; }
.field { display: grid; gap: 8px; }
.field label { color: #cbd5e1; font-weight: 700; font-size: 14px; }
.input { width: 100%; min-height: 46px; padding: 0 14px; border-radius: 14px; border: 1px solid var(--line); outline: none; background: rgba(15, 23, 42, .72); color: #fff; font: inherit; }
.textarea { padding-top: 12px; resize: vertical; line-height: 1.55; }
.input:focus { border-color: rgba(56, 189, 248, .72); box-shadow: 0 0 0 4px rgba(56, 189, 248, .12); }
.alert { margin-bottom: 16px; padding: 14px 16px; border-radius: 16px; border: 1px solid rgba(56, 189, 248, .28); background: rgba(56, 189, 248, .1); color: #dff6ff; }
.alert--danger { border-color: rgba(239, 68, 68, .35); background: rgba(239, 68, 68, .12); }
.alert--success { border-color: rgba(34, 197, 94, .35); background: rgba(34, 197, 94, .12); }
.alert--warning { border-color: rgba(245, 158, 11, .35); background: rgba(245, 158, 11, .12); }
.footer { border-top: 1px solid var(--line); padding: 24px 0; color: var(--muted); font-size: 14px; }
.code-card { overflow: hidden; }
.code-card pre { margin: 0; padding: 20px; overflow: auto; color: #dbeafe; background: rgba(2, 6, 23, .72); }
.breadcrumbs { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.breadcrumbs a { color: #bae6fd; }
.forum-head { display: flex; justify-content: space-between; gap: 18px; align-items: center; margin-bottom: 20px; }
.forum-list { display: grid; gap: 18px; }
.category-card { overflow: hidden; }
.category-card__head { padding: 18px 22px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.04); display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.category-card__head p { margin: 6px 0 0; }
.forum-row { display: grid; grid-template-columns: 54px minmax(0, 1fr) 80px 80px minmax(180px, .5fr); gap: 14px; align-items: center; padding: 18px 22px; border-bottom: 1px solid rgba(148, 163, 184, .14); transition: .16s ease; }
.forum-row:last-child { border-bottom: 0; }
.forum-row:hover { background: rgba(56, 189, 248, .07); }
.forum-row--empty { display: block; color: var(--muted); }
.forum-row__icon, .topic-row__icon { width: 44px; height: 44px; border-radius: 15px; display: grid; place-items: center; background: rgba(56, 189, 248, .12); }
.forum-row__main h3, .topic-row__main h3 { font-size: 19px; }
.forum-row__main p, .topic-row__main p { margin: 6px 0 0; font-size: 14px; }
.forum-row__stats, .topic-row__stat { text-align: center; color: var(--muted); }
.forum-row__stats strong, .topic-row__stat strong { display: block; color: #fff; font-size: 20px; }
.forum-row__stats span, .topic-row__stat span, .forum-row__last span { display: block; color: var(--muted); font-size: 12px; margin-top: 3px; }
.forum-row__last strong { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topic-list { overflow: hidden; }
.topic-row { display: grid; grid-template-columns: 54px minmax(0, 1fr) 86px 86px; gap: 14px; align-items: center; padding: 18px 22px; border-bottom: 1px solid rgba(148, 163, 184, .14); }
.topic-row:hover { background: rgba(56, 189, 248, .07); }
.topic-row--empty { display: block; }
.modbar { padding: 14px; margin-bottom: 18px; }
.modbar form { display: flex; gap: 10px; flex-wrap: wrap; }
.post-list { display: grid; gap: 16px; }
.post-card { display: grid; grid-template-columns: 190px minmax(0, 1fr); overflow: hidden; }
.post-card__author { padding: 22px; border-right: 1px solid var(--line); background: rgba(255,255,255,.04); display: grid; align-content: start; justify-items: center; gap: 8px; text-align: center; }
.post-card__author span { color: var(--muted); font-size: 13px; }
.avatar { width: 64px; height: 64px; border-radius: 22px; display: grid; place-items: center; background: linear-gradient(135deg, rgba(56,189,248,.35), rgba(59,130,246,.2)); font-size: 28px; font-weight: 900; text-transform: uppercase; }
.post-card__body { padding: 22px; min-width: 0; }
.post-card__body header { display: flex; justify-content: space-between; gap: 14px; color: var(--muted); font-size: 13px; padding-bottom: 12px; border-bottom: 1px solid rgba(148, 163, 184, .16); }
.post-text { margin-top: 16px; color: #e5edf8; line-height: 1.72; overflow-wrap: anywhere; }
.reply-box { margin-top: 18px; }
.auth-card { max-width: 680px; margin: 0 auto; }
.admin-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.admin-stats { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.admin-table-card { margin-top: 18px; overflow: hidden; }
.admin-table { display: grid; }
.admin-table__row { display: grid; grid-template-columns: minmax(180px, 1.3fr) minmax(140px, 1fr) 80px 80px 90px 120px; gap: 14px; align-items: center; padding: 14px 18px; border-top: 1px solid rgba(148,163,184,.14); }
.admin-table__row--head { color: #cbd5e1; font-weight: 800; background: rgba(255,255,255,.04); }
.admin-table small { display: block; color: var(--muted); margin-top: 4px; }
.empty-state { margin-top: 18px; }
@media (max-width: 960px) {
    .forum-row { grid-template-columns: 44px minmax(0, 1fr); }
    .forum-row__stats, .forum-row__last { display: none; }
    .post-card { grid-template-columns: 1fr; }
    .post-card__author { border-right: 0; border-bottom: 1px solid var(--line); justify-items: start; text-align: left; grid-template-columns: 54px 1fr; }
    .post-card__author span { grid-column: 2; }
    .avatar { grid-row: span 2; width: 54px; height: 54px; border-radius: 18px; }
    .admin-grid, .admin-stats { grid-template-columns: 1fr; }
    .admin-table { overflow-x: auto; }
    .admin-table__row { min-width: 760px; }
}
@media (max-width: 840px) {
    .topbar__inner { align-items: flex-start; flex-direction: column; padding: 14px 0; }
    .hero, .grid { grid-template-columns: 1fr; }
    .nav { width: 100%; overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; }
    .forum-head { align-items: flex-start; flex-direction: column; }
    .topic-row { grid-template-columns: 44px minmax(0, 1fr); }
    .topic-row__stat { display: none; }
}

.category-badge { padding: 7px 11px; border-radius: 999px; background: rgba(56,189,248,.1); color: #bae6fd; border: 1px solid rgba(56,189,248,.22); font-size: 12px; font-weight: 800; white-space: nowrap; }
.forum-row-wrap { border-bottom: 1px solid rgba(148, 163, 184, .14); }
.forum-row-wrap:last-child { border-bottom: 0; }
.forum-row-wrap > .forum-row { border-bottom: 0; }
.subforum-links { margin-top: 10px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; color: var(--muted); font-size: 13px; }
.subforum-links span { color: #cbd5e1; font-weight: 800; }
.subforum-links em { font-style: normal; opacity: .9; }
.mini-lock { display: inline-flex; margin-left: 6px; padding: 3px 7px; border-radius: 999px; background: rgba(245,158,11,.14); color: #fde68a; border: 1px solid rgba(245,158,11,.25); font-size: 11px; vertical-align: middle; letter-spacing: 0; }
.forum-warning { margin: 12px 0 0; padding: 10px 12px; border-radius: 14px; border: 1px solid rgba(245,158,11,.25); background: rgba(245,158,11,.10); color: #fde68a; }
.subforums-card { margin-bottom: 18px; overflow: hidden; }
.topic-list__head { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 18px 22px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.04); }
.topic-list__head span { color: var(--muted); font-size: 14px; }
.check-line { display: flex; align-items: center; gap: 10px; color: #cbd5e1; font-weight: 700; font-size: 14px; }
.field small { color: var(--muted); line-height: 1.45; }
.admin-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.admin-actions form { margin: 0; }
.admin-actions .btn { min-height: 36px; padding: 0 12px; font-size: 13px; }
@media (max-width: 960px) {
    .subforum-links { display: none; }
}

.codebox {
    display: block;
    padding: 14px 16px;
    overflow: auto;
    border-radius: 16px;
    background: rgba(2, 6, 23, .55);
    border: 1px solid rgba(148, 163, 184, .18);
    color: #dbeafe;
    font-size: 13px;
    line-height: 1.55;
    white-space: pre-wrap;
}