*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0f172a;
  --surface: #1e293b;
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --error: #ef4444;
  --border: #334155;
  --radius: 12px;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans',
    'Yu Gothic UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font-family: inherit;
}

/* ===== Auth Screen ===== */

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  padding-top: max(1.5rem, env(safe-area-inset-top));
  padding-bottom: max(1.5rem, env(safe-area-inset-bottom));
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem 1.5rem;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.auth-title {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
  text-align: center;
  font-weight: 700;
}

.auth-lead {
  margin: 0 0 1.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  text-align: center;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.field-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-muted);
}

.field input {
  width: 100%;
  padding: 0.875rem 1rem;
  font-size: 1rem;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color 0.15s;
}

.field input:focus {
  border-color: var(--accent);
}

.error-message {
  margin: 0;
  padding: 0.75rem 1rem;
  background: rgba(239, 68, 68, 0.1);
  color: var(--error);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 8px;
  font-size: 0.875rem;
}

.primary-btn {
  padding: 0.875rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  color: white;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.15s;
}

.primary-btn:hover {
  background: var(--accent-hover);
}

.primary-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* ===== Watch Screen ===== */

.watch-body {
  background: #000;
}

.watch-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.player-container {
  width: 100%;
  max-width: 1280px;
  aspect-ratio: 16 / 9;
  position: relative;
  background: #000;
}

.player-container iframe,
.player-container video {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

.loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.watch-error {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  margin: 0;
  padding: 0.875rem 1.25rem;
  background: rgba(239, 68, 68, 0.95);
  color: white;
  border-radius: 8px;
  font-size: 0.875rem;
  max-width: 90%;
}