:root {
  color-scheme: dark;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  background: #0b1020;
  color: #edf2ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 32px 16px;
  background: radial-gradient(ellipse at top, #1a2850 0, #0b1020 60%);
}

.container {
  width: min(100%, 720px);
  margin: 0 auto;
  padding: 28px;
  border: 1px solid #293653;
  border-radius: 20px;
  background: #111a2c;
  box-shadow: 0 20px 70px #0005;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: -1px;
}

.subtitle {
  margin: 8px 0 28px;
  color: #aab8d2;
}

label {
  display: block;
  margin: 16px 0 7px;
  font-size: 14px;
  font-weight: 650;
}

input {
  width: 100%;
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid #344462;
  border-radius: 10px;
  outline: none;
  background: #0b1221;
  color: #fff;
  font: inherit;
}

input:focus {
  border-color: #7c9cff;
  box-shadow: 0 0 0 3px #7c9cff25;
}

.credentials {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

button {
  flex: 1;
  min-width: 140px;
  padding: 13px 18px;
  border: 0;
  border-radius: 10px;
  background: #7897ff;
  color: #0a1227;
  font: inherit;
  font-weight: 750;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.08);
}

button:disabled {
  opacity: .6;
  cursor: wait;
}

button.secondary {
  border: 1px solid #3a4c70;
  background: #1b2942;
  color: #edf2ff;
}

.status-panel {
  margin-top: 24px;
  padding: 16px;
  border: 1px solid #293653;
  border-radius: 12px;
  background: #0c1424;
}

#status {
  margin: 0 0 12px;
  color: #d5def3;
}

progress {
  display: block;
  width: 100%;
  height: 10px;
  accent-color: #7897ff;
}

video {
  width: 100%;
  margin-top: 8px;
  border-radius: 12px;
  background: #000;
}

.notice {
  margin: 22px 0 0;
  color: #9eacc6;
  font-size: 13px;
  line-height: 1.6;
}

[hidden] {
  display: none !important;
}

@media (max-width: 520px) {
  body {
    padding: 16px 10px;
  }

  .container {
    padding: 20px 16px;
  }

  .credentials {
    grid-template-columns: 1fr;
    gap: 0;
  }
}