/* Canal Spotify 3.0 — frontend */

.canal-spotify {
  --cs-accent: #1db954;
  --cs-on-accent: #0b0b0d;
  --cs-bg: #141417;
  --cs-surface: #1d1d22;
  --cs-text: #f4f4f2;
  --cs-muted: #a6a6b0;
  --cs-line: rgba(255, 255, 255, 0.09);
  --cs-track: rgba(255, 255, 255, 0.18);
  --cs-hover: rgba(255, 255, 255, 0.04);
  --cs-danger: #ff8f86;

  box-sizing: border-box;
  margin: 28px 0;
  overflow: hidden;
  border-radius: 18px;
  background: var(--cs-bg);
  color: var(--cs-text);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
  text-align: left;
}

.canal-spotify[data-theme="light"] {
  --cs-bg: #ffffff;
  --cs-surface: #f3f3f6;
  --cs-text: #16171b;
  --cs-muted: #5c5d66;
  --cs-line: rgba(20, 20, 30, 0.1);
  --cs-track: rgba(20, 20, 30, 0.16);
  --cs-hover: rgba(20, 20, 30, 0.035);
  --cs-danger: #b3261e;
  box-shadow: 0 0 0 1px var(--cs-line);
}

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

/* ---------- Cabeçalho ---------- */

.canal-spotify .cs-header {
  display: flex;
  align-items: center;
  gap: 22px;
  margin: 0;
  padding: 28px;
  background: var(--cs-surface);
}

.canal-spotify .cs-cover {
  flex: none;
  display: block;
  width: 112px;
  height: 112px;
  margin: 0;
  border-radius: 12px;
  object-fit: cover;
  background: var(--cs-track);
}

.canal-spotify .cs-header-text {
  min-width: 0;
}

.canal-spotify .cs-heading {
  margin: 0;
  padding: 0;
  color: var(--cs-text);
  font-size: clamp(1.3rem, 2.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
  text-transform: none;
}

.canal-spotify .cs-about {
  max-width: 60ch;
  margin: 8px 0 0;
  color: var(--cs-muted);
  font-size: 0.95rem;
}

/* ---------- Episódios ---------- */

.canal-spotify .cs-episodes {
  margin: 0;
  padding: 0;
}

.canal-spotify .cs-episode {
  position: relative;
  margin: 0;
  padding: 18px 28px;
  border-top: 1px solid var(--cs-line);
  scroll-margin-top: 96px;
  transition: background-color 0.2s ease;
}

.canal-spotify .cs-episode:first-child {
  border-top: 0;
}

.canal-spotify .cs-episode::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--cs-accent);
  transform: scaleY(0);
  transition: transform 0.25s ease;
}

.canal-spotify .cs-episode.is-active {
  background: var(--cs-hover);
}

.canal-spotify .cs-episode.is-active::before {
  transform: scaleY(1);
}

.canal-spotify .cs-episode:focus {
  outline: none;
}

.canal-spotify .cs-episode.is-new {
  animation: cs-in 0.4s ease both;
}

@keyframes cs-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.canal-spotify .cs-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: 16px;
}

/* Botão de reprodução */

.canal-spotify .cs-play {
  display: grid;
  place-items: center;
  flex: none;
  width: 52px;
  height: 52px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: var(--cs-accent);
  color: var(--cs-on-accent);
  box-shadow: none;
  cursor: pointer;
  transition: transform 0.15s ease;
}

.canal-spotify .cs-play:hover {
  transform: scale(1.06);
}

.canal-spotify .cs-play:focus-visible,
.canal-spotify .cs-btn:focus-visible,
.canal-spotify .cs-more:focus-visible {
  outline: 3px solid var(--cs-text);
  outline-offset: 3px;
}

.canal-spotify .cs-play svg {
  display: block;
  width: 22px;
  height: 22px;
  fill: currentColor;
}

.canal-spotify .cs-play .cs-i-pause,
.canal-spotify .is-playing .cs-play .cs-i-play {
  display: none;
}

.canal-spotify .is-playing .cs-play .cs-i-pause {
  display: block;
}

/* Quando o episódio está a carregar, o botão pulsa levemente */
.canal-spotify .cs-episode.is-loading .cs-play {
  animation: cs-pulse 1s ease-in-out infinite;
}

@keyframes cs-pulse {
  50% { opacity: 0.55; }
}

/* Texto */

.canal-spotify .cs-info {
  min-width: 0;
}

.canal-spotify .cs-title {
  margin: 0;
  padding: 0;
  color: var(--cs-text);
  font-size: 1.05rem;
  font-weight: 650;
  line-height: 1.3;
  letter-spacing: 0;
  text-transform: none;
}

.canal-spotify .cs-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  margin-top: 3px;
  color: var(--cs-muted);
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
}

.canal-spotify .cs-length {
  margin-left: 12px;
  padding-left: 12px;
  border-left: 1px solid var(--cs-line);
  white-space: nowrap;
}

.canal-spotify .cs-desc {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  margin: 8px 0 0;
  overflow: hidden;
  color: var(--cs-muted);
  font-size: 0.92rem;
}

/* ---------- Controlos (abrem quando o episódio é ativado) ---------- */

.canal-spotify .cs-controls {
  display: grid;
  grid-template-rows: 0fr;
  visibility: hidden;
  transition: grid-template-rows 0.28s ease, visibility 0s linear 0.28s;
}

.canal-spotify .cs-episode.is-active .cs-controls {
  grid-template-rows: 1fr;
  visibility: visible;
  transition-delay: 0s;
}

.canal-spotify .cs-controls-inner {
  min-height: 0;
  overflow: hidden;
  padding: 0 4px 4px 68px;
}

.canal-spotify .cs-timeline {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 14px;
}

.canal-spotify .cs-time {
  min-width: 2.8em;
  color: var(--cs-muted);
  font-size: 0.8rem;
  font-variant-numeric: tabular-nums;
}

.canal-spotify .cs-total {
  text-align: right;
}

.canal-spotify .cs-seek {
  --cs-progress: 0%;
  flex: 1;
  min-width: 0;
  height: 22px;
  margin: 0;
  padding: 0;
  background: transparent;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

.canal-spotify .cs-seek:focus {
  outline: none;
}

.canal-spotify .cs-seek::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right, var(--cs-accent) var(--cs-progress), var(--cs-track) var(--cs-progress));
}

.canal-spotify .cs-seek::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  margin-top: -4px;
  border: 0;
  border-radius: 50%;
  background: var(--cs-text);
}

.canal-spotify .cs-seek::-moz-range-track {
  height: 6px;
  border-radius: 3px;
  background: var(--cs-track);
}

.canal-spotify .cs-seek::-moz-range-progress {
  height: 6px;
  border-radius: 3px;
  background: var(--cs-accent);
}

.canal-spotify .cs-seek::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border: 0;
  border-radius: 50%;
  background: var(--cs-text);
}

.canal-spotify .cs-seek:focus-visible::-webkit-slider-thumb {
  outline: 3px solid var(--cs-accent);
  outline-offset: 2px;
}

.canal-spotify .cs-seek:focus-visible::-moz-range-thumb {
  outline: 3px solid var(--cs-accent);
  outline-offset: 2px;
}

.canal-spotify .cs-seek:disabled {
  cursor: default;
  opacity: 0.5;
}

.canal-spotify .cs-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.canal-spotify .cs-btn {
  min-width: 56px;
  min-height: 36px;
  margin: 0;
  padding: 6px 14px;
  border: 1px solid var(--cs-track);
  border-radius: 999px;
  background: transparent;
  color: var(--cs-text);
  font: inherit;
  font-size: 0.82rem;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  text-transform: none;
  letter-spacing: 0;
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.canal-spotify .cs-btn:hover {
  background: var(--cs-hover);
}

.canal-spotify .cs-error {
  display: none;
  margin: 10px 0 0;
  color: var(--cs-danger);
  font-size: 0.85rem;
}

.canal-spotify .cs-episode.is-error .cs-error {
  display: block;
}

/* ---------- Rodapé / Carregar mais ---------- */

.canal-spotify .cs-footer {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 22px 28px 28px;
  border-top: 1px solid var(--cs-line);
}

.canal-spotify .cs-count {
  margin: 0;
  color: var(--cs-muted);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
}

.canal-spotify .cs-more {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 46px;
  margin: 0;
  padding: 12px 30px;
  border: 1.5px solid var(--cs-track);
  border-radius: 999px;
  background: transparent;
  color: var(--cs-text);
  font: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease;
}

.canal-spotify .cs-more:hover {
  border-color: var(--cs-text);
  background: var(--cs-hover);
}

.canal-spotify .cs-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid var(--cs-track);
  border-top-color: var(--cs-accent);
  border-radius: 50%;
  animation: cs-spin 0.7s linear infinite;
}

.canal-spotify.is-loading .cs-spinner {
  display: block;
}

.canal-spotify.is-loading .cs-more {
  cursor: progress;
  opacity: 0.8;
}

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

.canal-spotify .cs-feedback {
  min-height: 0;
  margin: 0;
  color: var(--cs-muted);
  font-size: 0.85rem;
}

.canal-spotify .cs-feedback:empty {
  margin-top: -12px; /* anula o espaço do rodapé quando não há mensagem (mantém a região "live" na árvore de acessibilidade) */
}

.canal-spotify .cs-feedback.is-error {
  color: var(--cs-danger);
}

/* Texto só para leitores de ecrã (anúncio de novos episódios) */
.canal-spotify .cs-feedback.is-quiet {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.cs-notice {
  padding: 12px 16px;
  border-left: 3px solid #d63638;
  background: #fcf0f1;
  color: #1d2327;
  font-size: 0.9rem;
}

/* ---------- Ecrãs pequenos ---------- */

@media (max-width: 640px) {
  .canal-spotify .cs-header { gap: 14px; padding: 18px; }
  .canal-spotify .cs-cover { width: 76px; height: 76px; border-radius: 10px; }
  .canal-spotify .cs-episode { padding: 16px 18px; }
  .canal-spotify .cs-row { gap: 14px; }
  .canal-spotify .cs-controls-inner { padding-left: 4px; }
  .canal-spotify .cs-footer { padding: 20px 18px 24px; }
  .canal-spotify .cs-more { width: 100%; }
}

@media (pointer: coarse) {
  .canal-spotify .cs-btn { min-height: 44px; }
  .canal-spotify .cs-seek { height: 32px; }
}

@media (prefers-reduced-motion: reduce) {
  .canal-spotify *,
  .canal-spotify *::before,
  .canal-spotify *::after {
    animation: none !important;
    transition: none !important;
  }
}