:root {
  --bg-1: #10212b;
  --bg-2: #0b151c;
  --accent: #fbb040;
  --accent-2: #f26745;
  --ok: #69d089;
  --bad: #ff7878;
  --text: #f3f4ef;
  --muted: #b4bcc2;
  --panel: rgba(9, 19, 25, 0.78);
  --stroke: rgba(255, 255, 255, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      circle at 85% 20%,
      rgba(251, 176, 64, 0.18),
      transparent 35%
    ),
    radial-gradient(
      circle at 20% 70%,
      rgba(242, 103, 69, 0.16),
      transparent 40%
    ),
    linear-gradient(140deg, var(--bg-1), var(--bg-2));
}

.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.1;
  background-image: radial-gradient(#ffffff 0.7px, transparent 0.7px);
  background-size: 3px 3px;
}

.app-shell {
  position: relative;
  z-index: 1;
  width: min(1120px, 95%);
  margin: 2rem auto;
}

.hero h1 {
  margin: 0;
  font-family: "Bebas Neue", sans-serif;
  letter-spacing: 1.5px;
  font-size: clamp(3rem, 7vw, 5.5rem);
  line-height: 0.95;
}

.hero p {
  margin: 0.5rem 0 0;
  max-width: 60ch;
  color: var(--muted);
}

.badge {
  display: inline-block;
  margin-bottom: 0.4rem;
  padding: 0.25rem 0.6rem;
  border-radius: 999px;
  background: rgba(251, 176, 64, 0.18);
  border: 1px solid rgba(251, 176, 64, 0.4);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.8rem;
  margin: 1rem 0 1.2rem;
}

.status-card {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 0.8rem 1rem;
  backdrop-filter: blur(8px);
}

.status-card span {
  display: block;
  color: var(--muted);
  font-size: 0.86rem;
}

.status-card strong {
  font-size: 1.6rem;
}

.play-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.now-playing,
.timeline-panel {
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: 18px;
  padding: 1rem;
  backdrop-filter: blur(10px);
}

h2 {
  margin-top: 0;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.card {
  border: 1px solid var(--stroke);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 14px;
  padding: 0.85rem;
  transition:
    transform 260ms ease,
    opacity 260ms ease;
}

.card.hidden {
  opacity: 0;
  transform: translateY(8px) scale(0.98);
}

.period {
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
}

.video-wrap {
  margin-top: 0.7rem;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
  position: relative;
  aspect-ratio: 16 / 9;
}

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

.video-wrap #yt-player iframe {
  width: 100%;
  height: 100%;
  pointer-events: auto;
}

.video-wrap::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: 2;
  pointer-events: none;
  background: var(--bg-1);
}

.video-wrap.revealed::before {
  display: none;
}

.player-actions {
  margin-top: 0.55rem;
  display: flex;
  gap: 0.45rem;
}

.feedback {
  min-height: 1.5rem;
  margin: 0.7rem 0;
  font-weight: 500;
}

.feedback.ok {
  color: var(--ok);
}

.feedback.bad {
  color: var(--bad);
}

.actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

button,
.ghost-btn {
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  padding: 0.55rem 0.9rem;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
  transition:
    transform 180ms ease,
    background 180ms ease;
}

button:hover,
.ghost-btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.08);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

.accent-btn {
  border-color: transparent;
  background: linear-gradient(120deg, var(--accent), var(--accent-2));
  color: #0e1012;
  font-weight: 700;
}

.hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.timeline {
  margin-top: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.slot {
  border: 1px dashed rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  padding: 0.25rem 0.7rem;
  color: var(--muted);
  text-align: center;
  cursor: pointer;
}

.slot:hover,
.slot.active {
  border-style: solid;
  border-color: var(--accent);
  color: var(--text);
  background: rgba(251, 176, 64, 0.08);
}

.timeline-item {
  border-radius: 10px;
  border: 1px solid var(--stroke);
  padding: 0.55rem 0.7rem;
  background: rgba(0, 0, 0, 0.2);
}

.timeline-item strong {
  display: block;
}

.timeline-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 920px) {
  .status-grid,
  .play-area {
    grid-template-columns: 1fr;
  }
}