:root {
    --bg: #0f1115;
    --bg-card: #171a21;
    --border: #262b36;
    --text: #e6e8eb;
    --text-muted: #9aa3af;
    --accent: #4f8cff;
    --accent-hover: #3d76e0;
    --danger: #e5484d;
    --success: #3dd68c;
    --radius: 10px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}

.topbar .brand { font-weight: 700; font-size: 1.1rem; }
.topbar nav a { margin-left: 16px; color: var(--text-muted); }
.topbar nav a:hover { color: var(--text); }
.topbar nav span { margin-left: 16px; }

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 20px;
}

.auth-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
}

.card.narrow { width: 100%; max-width: 400px; }

h1, h2, h3 { line-height: 1.25; }

label {
    display: block;
    margin-bottom: 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

input[type="email"],
input[type="password"],
input[type="text"],
textarea,
select {
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 16px;
    background: #0d0f13;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
}

textarea { resize: vertical; min-height: 80px; }

button, .btn {
    display: inline-block;
    background: var(--accent);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    text-align: center;
}

button:hover, .btn:hover { background: var(--accent-hover); text-decoration: none; }
button.secondary, .btn.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.danger { background: var(--danger); }

.alert {
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}
.alert.error { background: rgba(229,72,77,0.12); border: 1px solid rgba(229,72,77,0.4); color: #ff9a9d; }
.alert.success { background: rgba(61,214,140,0.12); border: 1px solid rgba(61,214,140,0.4); color: #7cf0b8; }

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 18px;
    margin-top: 20px;
}

.video-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.video-card .thumb {
    aspect-ratio: 16/9;
    background: #0d0f13;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 2rem;
}

.video-card .body { padding: 14px; flex: 1; display: flex; flex-direction: column; }
.video-card .meta { color: var(--text-muted); font-size: 0.8rem; margin-top: auto; padding-top: 10px; }

.badge {
    display: inline-block;
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: 999px;
    background: rgba(79,140,255,0.15);
    color: var(--accent);
    margin-left: 6px;
}
.badge.seeding { background: rgba(61,214,140,0.15); color: var(--success); }
.badge.pending { background: rgba(255,193,7,0.15); color: #ffc107; }
.badge.failed { background: rgba(229,72,77,0.15); color: var(--danger); }

.player-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 20px;
    align-items: start;
}

@media (max-width: 900px) {
    .player-layout { grid-template-columns: 1fr; }
}

.player-wrap {
    background: black;
    border-radius: var(--radius);
    overflow: hidden;
}

.player-wrap video { width: 100%; display: block; }

.p2p-stats {
    margin-top: 10px;
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}
.p2p-stats strong { color: var(--text); }

.chat-panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    height: 520px;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-msg { font-size: 0.88rem; }
.chat-msg .author { color: var(--accent); font-weight: 600; margin-right: 6px; }
.chat-msg.system { color: var(--text-muted); font-style: italic; }

.chat-input {
    display: flex;
    border-top: 1px solid var(--border);
    padding: 10px;
    gap: 8px;
}
.chat-input input { margin-bottom: 0; flex: 1; }

table { width: 100%; border-collapse: collapse; margin-top: 16px; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--text-muted); font-weight: 600; }

.form-row { display: flex; gap: 12px; }
.form-row > * { flex: 1; }

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