:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --line: #2a3542;
  --text: #e8eef4;
  --muted: #8b9aab;
  --accent: #3d9bfd;
  --danger: #e85d5d;
  --ok: #3ecf8e;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1b2a3d 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #1a2f28 0%, transparent 50%),
    var(--bg);
  color: var(--text);
  min-height: 100vh;
}
.login-body {
  display: grid;
  place-items: center;
  min-height: 100vh;
}
.login-card, .panel {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
  backdrop-filter: blur(8px);
}
.login-card { width: min(380px, 92vw); }
.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--line);
}
.top h1, .panel h2, .login-card h1 { margin: 0 0 .25rem; font-weight: 600; letter-spacing: -0.02em; }
.muted { color: var(--muted); margin: 0; font-size: .92rem; }
main {
  display: grid;
  gap: 1rem;
  padding: 1.25rem 1.5rem 2.5rem;
  max-width: 1100px;
}
label {
  display: grid;
  gap: .35rem;
  margin: .75rem 0;
  font-size: .9rem;
  color: var(--muted);
}
input {
  width: 100%;
  border: 1px solid var(--line);
  background: #0c1117;
  color: var(--text);
  border-radius: 10px;
  padding: .7rem .85rem;
  font: inherit;
}
input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
  border-color: var(--accent);
}
.hint { font-size: .8rem; color: var(--muted); }
.hint code, code, .mono, .meta {
  font-family: var(--mono);
  font-size: .82rem;
}
.row { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.row.between { justify-content: space-between; }
button, .btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  background: var(--accent);
  color: #041018;
  font: inherit;
  font-weight: 600;
  padding: .65rem 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
button.ghost, .btn.ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
button.danger { background: var(--danger); color: #fff; }
button:disabled { opacity: .55; cursor: not-allowed; }
.msg { margin: .5rem 0 0; font-size: .9rem; }
.msg.err { color: var(--danger); }
.msg.ok { color: var(--ok); }
.list { display: grid; gap: .7rem; margin-top: .8rem; }
.card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: .9rem 1rem;
  display: grid;
  gap: .55rem;
  background: #121820;
}
.card h3 { margin: 0; font-size: 1rem; }
.card .url {
  word-break: break-all;
  color: var(--muted);
  font-family: var(--mono);
  font-size: .78rem;
}
.actions { display: flex; gap: .45rem; flex-wrap: wrap; }
#player {
  width: 100%;
  max-height: 420px;
  background: #000;
  border-radius: 12px;
  margin-top: .5rem;
}
.meta {
  white-space: pre-wrap;
  background: #0c1117;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: .75rem;
  color: var(--muted);
  max-height: 180px;
  overflow: auto;
}
@media (min-width: 900px) {
  main { grid-template-columns: 360px 1fr; align-items: start; }
  .preview-panel { grid-column: 1 / -1; }
}