* { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg-primary: #0a0a0a;
  --bg-surface: #141414;
  --bg-surface-2: #181818;
  --border: #222222;
  --border-hover: #333333;
  --text-primary: #ffffff;
  --text-secondary: #999999;
  --accent: #4785ff;
  --accent-hover: #5c8fff;
  --danger: #ff4766;
  --success: #34d399;
  --radius: 12px;
  --radius-sm: 8px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
}

.loading, .not-found {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  gap: 16px;
  color: var(--text-secondary);
}

.spinner {
  width: 32px;
  height: 32px;
  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); }
}

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}

.logo {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.main {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px;
}

.player-container {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: #000;
  aspect-ratio: 16/9;
}

.player-container video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.meta {
  margin-top: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.title {
  font-size: 24px;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 8px;
}

.meta-row {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-secondary);
  font-size: 14px;
}

.meta-dot {
  width: 4px;
  height: 4px;
  background: var(--text-secondary);
  border-radius: 50%;
}

.comments-section {
  margin-top: 24px;
}

.comments-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 16px;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 24px;
}

.input, .textarea {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s;
}

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

.textarea {
  resize: vertical;
  min-height: 60px;
}

.comment-input-row {
  display: flex;
  gap: 8px;
}

.comment-input-row .textarea {
  flex: 1;
}

.timestamp-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
}

.timestamp-label input[type="checkbox"] {
  accent-color: var(--accent);
}

.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}

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

.btn-secondary {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}

.btn-secondary:hover {
  border-color: var(--border-hover);
  background: var(--bg-surface-2);
}

.comments-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.no-comments {
  color: var(--text-secondary);
  font-size: 14px;
  text-align: center;
  padding: 32px 0;
}

.comment {
  display: flex;
  gap: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border);
}

.comment-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.comment-content {
  flex: 1;
  min-width: 0;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
}

.comment-author {
  font-size: 14px;
  font-weight: 500;
}

.comment-time {
  font-size: 12px;
  color: var(--text-secondary);
}

.comment-timestamp {
  font-size: 12px;
  color: var(--accent);
  cursor: pointer;
  background: none;
  border: none;
  font-family: inherit;
  padding: 0;
}

.comment-timestamp:hover {
  text-decoration: underline;
}

.comment-body {
  font-size: 14px;
  color: var(--text-primary);
  line-height: 1.5;
  word-wrap: break-word;
}

.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--bg-surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--success);
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  animation: slideIn 0.3s ease;
  z-index: 1000;
}

@keyframes slideIn {
  from { transform: translateX(100px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@media (max-width: 640px) {
  .main { padding: 16px; }
  .title { font-size: 20px; }
  .comment-input-row { flex-direction: column; }
}