:root {
  --bg1: #061a24;
  --bg2: #143647;
  --card: rgba(255, 255, 255, 0.07);
  --text: #ecf5f7;
  --muted: #b8ccd3;
  --accent: #f9b44d;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Avenir Next", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 20% 10%, rgba(249, 180, 77, 0.2), transparent 35%),
    linear-gradient(160deg, var(--bg1), var(--bg2));
}

.app {
  max-width: 920px;
  margin: 0 auto;
  padding: 24px;
}

h1 {
  margin-bottom: 8px;
}

.sub {
  margin-top: 0;
  color: var(--muted);
}

.card {
  backdrop-filter: blur(4px);
  background: var(--card);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 14px;
  padding: 16px;
  margin-top: 16px;
}

label {
  display: block;
  margin-bottom: 10px;
}

input {
  width: 100%;
  margin-top: 6px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

button {
  background: var(--accent);
  color: #1b1b1b;
  border: none;
  padding: 10px 12px;
  border-radius: 8px;
  margin-right: 8px;
  cursor: pointer;
  font-weight: 600;
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

video {
  width: 100%;
  margin-top: 12px;
  border-radius: 12px;
  background: #000;
  min-height: 220px;
}

pre {
  white-space: pre-wrap;
  background: rgba(0, 0, 0, 0.28);
  border-radius: 8px;
  padding: 10px;
}