:root {
  --bg: #0b0d12;
  --bg-soft: #12151d;
  --card: #171b25;
  --card-hover: #1e2431;
  --line: #262c3a;
  --text: #e8ecf4;
  --muted: #94a0b8;
  --accent: #ff6b57;
  --accent-2: #ffb03a;
  --ok: #3ddc97;
  --radius: 16px;
  --shadow: 0 18px 40px rgba(0, 0, 0, .45);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: radial-gradient(1200px 600px at 15% -10%, #1b2233 0%, var(--bg) 55%) fixed;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a { color: var(--accent-2); }

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-card {
  width: min(400px, 100%);
  background: linear-gradient(180deg, #1a1f2b, #141822);
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 34px 30px 28px;
  box-shadow: var(--shadow);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: .5px;
}
.brand .dot {
  width: 12px; height: 12px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 18px rgba(255, 107, 87, .7);
}
.brand span { font-size: 18px; }
.brand small { color: var(--muted); font-weight: 400; letter-spacing: 2px; font-size: 11px; }

.auth-card h1 { font-size: 20px; margin: 22px 0 6px; }
.auth-card p.sub { color: var(--muted); font-size: 13px; margin: 0 0 22px; line-height: 1.6; }

label { display: block; font-size: 12px; color: var(--muted); margin: 14px 0 6px; letter-spacing: .4px; }

input[type=text], input[type=password], input[type=search] {
  width: 100%;
  background: #0e121a;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: var(--text);
  padding: 12px 14px;
  font-size: 15px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
input:focus { border-color: #4a5872; box-shadow: 0 0 0 3px rgba(255, 176, 58, .10); }

button {
  font: inherit;
  cursor: pointer;
  border: 0;
  border-radius: 11px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--accent), #ff8f5a);
  color: #1a0d08;
  font-weight: 700;
  transition: transform .12s, filter .15s;
}
button:hover { filter: brightness(1.06); }
button:active { transform: translateY(1px); }
button.block { width: 100%; margin-top: 22px; }
button.ghost {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 500;
}

.msg { min-height: 20px; margin-top: 14px; font-size: 13px; color: var(--accent); }
.msg.ok { color: var(--ok); }

/* ---------- app ---------- */

.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 16px;
  padding: 16px clamp(16px, 4vw, 40px);
  background: rgba(11, 13, 18, .82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar .brand { flex: 0 0 auto; }
.topbar .search { flex: 1 1 auto; max-width: 460px; }
.topbar .spacer { flex: 1 1 auto; }
.topbar .user { color: var(--muted); font-size: 13px; white-space: nowrap; }

main { padding: 26px clamp(16px, 4vw, 40px) 64px; }

.section-title {
  display: flex; align-items: baseline; gap: 10px;
  margin: 8px 0 16px;
}
.section-title h2 { font-size: 17px; margin: 0; }
.section-title .count { color: var(--muted); font-size: 12px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 14px;
}

.card {
  position: relative;
  background: linear-gradient(180deg, var(--card), #12161f);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  cursor: pointer;
  transition: transform .16s, border-color .16s, background .16s;
  overflow: hidden;
}
.card:hover { transform: translateY(-3px); border-color: #3a4459; background: var(--card-hover); }
.card .play {
  width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: rgba(255, 107, 87, .14);
  color: var(--accent);
  margin-bottom: 12px;
  border: 1px solid rgba(255, 107, 87, .3);
}
.card .name {
  font-size: 14px; line-height: 1.45; font-weight: 600;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
  overflow: hidden; min-height: 40px;
}
.card .meta { color: var(--muted); font-size: 12px; margin-top: 8px; display: flex; justify-content: space-between; }
.card .badge {
  position: absolute; top: 14px; right: 14px;
  font-size: 11px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px;
}

.empty, .loading {
  padding: 60px 20px; text-align: center; color: var(--muted);
  border: 1px dashed var(--line); border-radius: var(--radius);
}

/* ---------- player ---------- */

.modal {
  position: fixed; inset: 0; z-index: 50;
  display: none; place-items: center;
  background: rgba(4, 6, 10, .82);
  backdrop-filter: blur(6px);
  padding: 18px;
}
.modal.open { display: grid; }
.modal .box {
  width: min(1000px, 100%);
  background: #0f131b;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.modal header {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; border-bottom: 1px solid var(--line);
}
.modal header h3 { font-size: 14px; margin: 0; flex: 1; font-weight: 600; }
.modal header button { padding: 7px 12px; font-size: 13px; }
video { display: block; width: 100%; max-height: 76vh; background: #000; }

@media (max-width: 640px) {
  .topbar { flex-wrap: wrap; }
  .topbar .search { order: 3; flex-basis: 100%; max-width: none; }
  .grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
  .card { padding: 13px; }
  .card .name { font-size: 13px; }
}