:root {
  --fastly-red: #ff282d;
  --fastly-red-hover: #e02428;
  --fastly-red-soft: #fff0f0;
  --fastly-black: #101010;
  --fastly-grey-50: #fafafa;
  --fastly-grey-100: #f4f4f4;
  --fastly-grey-200: #e8e8e8;
  --fastly-grey-400: #9b9b9b;
  --fastly-grey-600: #6b6b6b;

  --bg: var(--fastly-grey-100);
  --bg-accent: var(--fastly-black);
  --card: #ffffff;
  --text: var(--fastly-black);
  --muted: var(--fastly-grey-600);
  --border: var(--fastly-grey-200);
  --primary: var(--fastly-red);
  --primary-hover: var(--fastly-red-hover);
  --primary-soft: var(--fastly-red-soft);
  --radius: 8px;
  --shadow: 0 1px 3px rgba(16, 16, 16, 0.08), 0 8px 24px rgba(16, 16, 16, 0.06);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
}

/* Header */

.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.1rem 1.5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
  color: var(--primary);
}

.brand__logo {
  width: 5.5rem;
  height: 1.5rem;
}

.brand__product {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  padding-left: 0.85rem;
  border-left: 1px solid var(--border);
}

/* Page */

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.page__intro {
  margin-bottom: 1.75rem;
}

.page__intro h1 {
  margin: 0 0 0.5rem;
  font-size: 1.75rem;
  font-weight: 700;
}

.page__subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.75rem;
}

.player-card {
  margin-bottom: 2rem;
}

/* Player */

.player-frame {
  background: var(--bg-accent);
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 16 / 9;
}

.player-frame__video {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
}

.control-group {
  margin-top: 1.25rem;
}

.control-group__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 0.5rem;
}

.control-group__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* Buttons — chunky */

.btn {
  font-family: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 1.75rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  box-shadow: var(--shadow);
  cursor: pointer;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background-color 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}

.btn:hover:not(:disabled) {
  transform: translateY(-1px);
}

.btn:active:not(:disabled) {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn--primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.btn--primary:hover:not(:disabled) {
  background: var(--primary-hover);
  border-color: var(--primary-hover);
}

.btn.is-active {
  background: var(--bg-accent);
  color: #fff;
  border-color: var(--bg-accent);
}

/* Feed */

.feed-card__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.feed-card__header h2 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 700;
}

.feed-card__count {
  font-size: 0.85rem;
  color: var(--muted);
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}

.feed-card__note {
  margin: 0 0 1.25rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.feed-card__note code {
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  background: var(--fastly-grey-100);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
}

.event-feed {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.feed-empty-state {
  text-align: center;
  color: var(--muted);
  padding: 2rem 0;
  margin: 0;
}

.event-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  box-shadow: var(--shadow);
}

.event-card__header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.65rem;
  flex-wrap: wrap;
}

.event-card__time {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--muted);
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

.badge__icon {
  display: inline-flex;
}

.badge__icon svg {
  display: block;
}

/* Media-type pills carry an icon, so the plain dot marker would be redundant. */
.badge--media::before {
  content: none;
}

.badge--request[data-value="segment"] {
  background: var(--primary-soft);
  color: var(--primary);
}

.badge--request[data-value="manifest"] {
  background: var(--fastly-grey-100);
  color: var(--fastly-grey-600);
}

.badge--media[data-value="video"] {
  background: var(--bg-accent);
  color: #fff;
}

.badge--media[data-value="audio"] {
  background: var(--fastly-grey-200);
  color: var(--fastly-black);
}

.badge--media[data-value="muxed"] {
  background: var(--fastly-grey-400);
  color: #fff;
}

.badge--request[data-value="event"] {
  background: transparent;
  border: 1px solid var(--fastly-grey-400);
  color: var(--fastly-grey-600);
  padding: 0.25rem 0.6rem;
}

.badge--state {
  background: var(--bg-accent);
  color: #fff;
}

.event-card__rows {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.35rem 0.75rem;
}

.event-card__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
}

.event-card__row-label {
  color: var(--muted);
  font-size: 0.85rem;
  flex-shrink: 0;
}

.event-card__row-value {
  color: var(--text);
  font-size: 0.85rem;
  font-family: "SFMono-Regular", ui-monospace, Menlo, Consolas, monospace;
  text-align: right;
  overflow-wrap: break-word;
  min-width: 0;
  flex: 1 1 auto;
}

@keyframes card-enter {
  0% {
    opacity: 0;
    transform: translateY(-18px) scale(0.98);
    background: var(--primary-soft);
    border-color: var(--primary-soft);
  }
  40% {
    opacity: 1;
    transform: translateY(0) scale(1);
    background: var(--primary-soft);
    border-color: var(--primary-soft);
  }
  100% {
    background: var(--card);
    border-color: var(--border);
  }
}

.event-card--enter {
  animation: card-enter 900ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform, opacity, background-color;
}

/* Player load error */

.player-error {
  padding: 2rem;
  text-align: center;
  color: #fff;
}

/* Responsive */

@media (max-width: 960px) {
  .page {
    padding: 1.5rem 1rem 3rem;
  }

  .card {
    padding: 1.25rem;
  }

  .control-group__buttons {
    gap: 0.5rem;
  }

  .btn {
    padding: 0.8rem 1.25rem;
    font-size: 0.9rem;
  }
}