:root {
  --bg: #0b0b0c;
  --bg-elev: #141417;
  --fg: #f4f4f6;
  --fg-dim: #9a9aa3;
  --line: #25252b;
  --accent: #ffffff;
  --danger: #f87171;
  --error: #fca5a5;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--fg); }
a:hover { color: var(--accent); }

h1 { font-weight: 600; font-size: 1.4rem; margin: 0 0 1rem; letter-spacing: -0.01em; }
h2 { font-weight: 500; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--fg-dim); margin: 0 0 1rem; }

p.muted { color: var(--fg-dim); margin: 0.25rem 0; }
p.error { color: var(--error); margin: 0 0 1rem; }

.centered {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.75rem;
  width: 100%;
  max-width: 380px;
}

.page {
  max-width: 880px;
  margin: 0 auto;
  padding: 2.5rem 1.25rem 4rem;
}

.page > .card { max-width: none; margin-bottom: 1.5rem; }

.page-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}
.page-head h1 { margin: 0; }

label {
  display: block;
  margin-bottom: 0.9rem;
}
label > span {
  display: block;
  font-size: 0.8rem;
  color: var(--fg-dim);
  margin-bottom: 0.3rem;
}

input, button {
  font: inherit;
  color: var(--fg);
}

input[type=text], input[type=password], input[type=number] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
  transition: border-color 120ms ease;
}
input:focus { border-color: var(--accent); }

button {
  padding: 0.6rem 1rem;
  background: var(--fg);
  color: var(--bg);
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 500;
  transition: opacity 120ms ease;
}
button:hover { opacity: 0.85; }
button.link {
  background: none;
  color: var(--fg-dim);
  padding: 0;
}
button.link:hover { color: var(--fg); }
button.danger {
  background: transparent;
  color: var(--danger);
  border: 1px solid var(--line);
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
}
button.copy {
  margin-left: 0.5rem;
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  padding: 0.15rem 0.5rem;
  font-size: 0.8rem;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 1rem;
}
.form-grid label { grid-column: span 1; }
.form-grid label:first-child,
.form-grid > button { grid-column: 1 / -1; }
.form-grid > button { margin-top: 0.5rem; justify-self: start; }

.inline { display: inline; }

table.links {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.links th, table.links td {
  text-align: left;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table.links th {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fg-dim);
  font-weight: 500;
}
table.links td a { word-break: break-all; }
table.links tr.expired td { opacity: 0.45; }
table.links code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.88em;
  background: var(--bg);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

/* Stage / player */
.stage {
  margin: 0;
  background: #000;
  height: 100vh;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.stage #player_id {
  width: 100vw;
  height: 100vh;
  max-width: 100vw;
  max-height: 100vh;
}
.stage #player_id .op-player,
.stage #player_id video {
  width: 100% !important;
  height: 100% !important;
}
.title-overlay {
  position: fixed;
  top: 1.25rem;
  left: 1.5rem;
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  z-index: 5;
  pointer-events: none;
  animation: fadeOut 1s ease 4s forwards;
}
@keyframes fadeOut { to { opacity: 0; } }