/* =========================================
   Episode Intro Component Styles
   ========================================= */

.episode-intro {
  width: 100%;
  margin-top: 4rem;
  margin-bottom: 4rem;
}

/* Section Header */
.episode-intro__header {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2.5rem;
  position: relative;
}

.episode-intro__title {
  font-size: 1.25rem;
  font-family: 'Noto Serif SC', serif;
  font-weight: bold;
  color: #3e2723;
  padding: 0 1rem;
  background-color: #f2efe9;
  position: relative;
  z-index: 10;
  margin: 0;
}

@media (min-width: 768px) {
  .episode-intro__title {
    font-size: 1.5rem;
  }
}

.episode-intro__title-text {
  position: relative;
  display: inline-block;
}

.episode-intro__title-underline {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.25rem;
  height: 0.5rem;
  background-color: #ffd700;
  opacity: 0.4;
  z-index: -1;
  transform: rotate(-1deg);
}

.episode-intro__header-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 1px;
  background-color: rgba(62, 39, 35, 0.2);
  top: 50%;
  transform: translateY(-50%);
}

/* Episode Summary */
.episode-intro__summary {
  background-color: #faf9f6;
  border: 1px solid rgba(62, 39, 35, 0.2);
  padding: 1.5rem;
  position: relative;
  margin-bottom: 3rem;
  box-shadow: 4px 4px 0 rgba(62, 39, 35, 0.05);
}

@media (min-width: 768px) {
  .episode-intro__summary {
    padding: 2rem;
  }
}

.episode-intro__corner {
  position: absolute;
  width: 2rem;
  height: 2rem;
  border-color: #8b5a2b;
  border-style: solid;
}

.episode-intro__corner--tl {
  top: 0;
  left: 0;
  border-width: 2px 0 0 2px;
  transform: translate(-0.25rem, -0.25rem);
}

.episode-intro__corner--br {
  bottom: 0;
  right: 0;
  border-width: 0 2px 2px 0;
  transform: translate(0.25rem, 0.25rem);
}

.episode-intro__summary-title {
  font-size: 1.125rem;
  font-family: 'Noto Serif SC', serif;
  font-weight: bold;
  color: #2d2420;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.episode-intro__summary-title i {
  color: rgba(139, 90, 43, 0.5);
  font-size: 0.875rem;
}

.episode-intro__summary-text {
  color: #5d4037;
  line-height: 1.625;
  font-size: 0.875rem;
  text-align: justify;
  margin: 0;
}

@media (min-width: 768px) {
  .episode-intro__summary-text {
    font-size: 1rem;
  }
}

/* Tracklist Header */
.episode-intro__tracklist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.episode-intro__tracklist-title {
  font-size: 1.125rem;
  font-family: 'Noto Serif SC', serif;
  font-weight: bold;
  color: #3e2723;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.episode-intro__spin-icon {
  color: #8b5a2b;
  animation: spin 4s linear infinite;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.episode-intro__tracklist-badge {
  font-size: 10px;
  font-family: 'Share Tech Mono', monospace;
  color: #8b5a2b;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: 1px solid rgba(139, 90, 43, 0.3);
  padding: 0.25rem 0.5rem;
  border-radius: 0.125rem;
}

/* Track Cards */
.episode-intro__tracks {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.episode-intro__track {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 1rem;
  background-color: #faf9f6;
  padding: 1rem;
  border: 1px solid rgba(62, 39, 35, 0.1);
  position: relative;
  transition: all 0.3s ease;
  cursor: pointer;
}

@media (min-width: 768px) {
  .episode-intro__track {
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    gap: 1.5rem;
    padding: 1.5rem;
  }
}

.episode-intro__track:hover {
  box-shadow: 4px 4px 0 rgba(62, 39, 35, 0.05);
  border-color: rgba(62, 39, 35, 0.3);
}

/* Current Track States */
.episode-intro__track--current {
  background-color: #f2efe9;
  border-color: rgba(139, 90, 43, 0.5);
  box-shadow: 4px 4px 0 rgba(139, 90, 43, 0.15);
}

.episode-intro__track--playing {
  border-color: rgba(139, 90, 43, 0.7);
}

/* Track Corner Decorations */
.episode-intro__track-corner {
  position: absolute;
  width: 1rem;
  height: 1rem;
  border-color: rgba(62, 39, 35, 0.1);
  border-style: solid;
}

.episode-intro__track-corner--tr {
  top: 0;
  right: 0;
  border-width: 1px 1px 0 0;
}

.episode-intro__track-corner--bl {
  bottom: 0;
  left: 0;
  border-width: 0 0 1px 1px;
}

.episode-intro__track-corner--active {
  border-color: rgba(139, 90, 43, 0.3);
}

/* Album Cover */
.episode-intro__cover-wrapper {
  position: relative;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .episode-intro__cover-wrapper {
    grid-column: 1;
    grid-row: 1 / 3;
  }
}

.episode-intro__cover {
  width: 6rem;
  height: 6rem;
  position: relative;
  background-color: #3e2723;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  z-index: 10;
  overflow: hidden;
}

@media (min-width: 768px) {
  .episode-intro__cover {
    width: 9rem;
    height: 9rem;
  }
}

.episode-intro__cover-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 1;
  transition: all 0.3s ease;
}

.episode-intro__track:hover .episode-intro__cover-img {
  opacity: 0.95;
}

/* Active cover state */
.episode-intro__cover-img--active,
.episode-intro__track--current .episode-intro__cover-img {
  opacity: 1;
}

/* Play Overlay */
.episode-intro__play-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.3);
  opacity: 1;
  transition: opacity 0.3s ease;
  z-index: 20;
}

.episode-intro__track:hover .episode-intro__play-overlay {
  background-color: rgba(0, 0, 0, 0.4);
}

.episode-intro__play-overlay i {
  font-size: 1.875rem;
  color: #f2efe9;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@media (min-width: 768px) {
  .episode-intro__play-overlay i {
    font-size: 2.25rem;
  }
}

/* =========================================
   Unplayable Track Styles
   ========================================= */

/* Unplayable track - no hover effects, no cursor pointer */
.episode-intro__track--unplayable {
  cursor: default;
}

.episode-intro__track--unplayable:hover {
  box-shadow: none;
  border-color: rgba(62, 39, 35, 0.1);
}

/* Gray cover image for unplayable tracks */
.episode-intro__cover-img--unplayable {
  filter: grayscale(100%);
  opacity: 0.6;
}

.episode-intro__track:hover .episode-intro__cover-img--unplayable {
  opacity: 0.6;
}

/* Unplayable overlay (replaces play button) */
.episode-intro__unplayable-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.15);
  z-index: 20;
}

.episode-intro__unplayable-icon {
  font-size: 1.5rem;
  color: rgba(242, 239, 233, 0.5);
}

@media (min-width: 768px) {
  .episode-intro__unplayable-icon {
    font-size: 1.875rem;
  }
}

/* Vinyl Record */
.episode-intro__vinyl {
  position: absolute;
  inset: 0;
  background-color: #1a1a1a;
  border-radius: 50%;
  z-index: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #333;
  opacity: 0;
  transition: transform 0.5s ease, opacity 0.3s ease;
  transform: translateX(2rem);
}

@media (min-width: 768px) {
  .episode-intro__vinyl {
    transform: translateX(4rem);
  }
}

.episode-intro__vinyl-groove {
  border-radius: 50%;
  border: 1px solid #333;
  display: flex;
  align-items: center;
  justify-content: center;
}

.episode-intro__vinyl-groove--outer {
  width: 90%;
  height: 90%;
}

.episode-intro__vinyl-groove--inner {
  width: 80%;
  height: 80%;
}

.episode-intro__vinyl-label {
  width: 33%;
  height: 33%;
  background-color: #8b5a2b;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.episode-intro__vinyl-hole {
  width: 0.5rem;
  height: 0.5rem;
  background-color: #f2efe9;
  border-radius: 50%;
}

/* Track Info */
.episode-intro__track-info {
  display: flex;
  flex-direction: column;
  justify-content: center;
  flex: 1;
  min-width: 0;
  padding-top: 0.25rem;
  padding-bottom: 0.25rem;
}

@media (min-width: 768px) {
  .episode-intro__track-info {
    grid-column: 2;
    grid-row: 1;
  }
}

.episode-intro__track-header {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  margin-bottom: 0.25rem;
}

@media (min-width: 768px) {
  .episode-intro__track-header {
    flex-direction: row;
    align-items: baseline;
    gap: 0.75rem;
  }
}

.episode-intro__track-title {
  font-size: 1.125rem;
  font-family: 'Noto Serif SC', serif;
  font-weight: bold;
  color: #8b5a2b;
  line-height: 1.25;
  margin: 0;
  transition: color 0.3s ease;
}

@media (min-width: 768px) {
  .episode-intro__track-title {
    font-size: 1.25rem;
  }
}

.episode-intro__track:hover .episode-intro__track-title {
  color: #6d4c41;
}

/* Unplayable track title - no hover effect */
.episode-intro__track--unplayable .episode-intro__track-title {
  color: rgba(139, 90, 43, 0.7);
}

.episode-intro__track--unplayable:hover .episode-intro__track-title {
  color: rgba(139, 90, 43, 0.7);
}

.episode-intro__track-artist {
  font-size: 0.75rem;
  color: #8b5a2b;
  font-weight: 500;
}

/* Track Meta */
.episode-intro__track-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

@media (min-width: 768px) {
  .episode-intro__track-meta {
    gap: 0.75rem;
    margin-bottom: 0.75rem;
  }
}

.episode-intro__track-meta-item {
  font-size: 9px;
  font-family: 'Share Tech Mono', monospace;
  color: rgba(93, 64, 55, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .episode-intro__track-meta-item {
    font-size: 10px;
  }
}

.episode-intro__track-meta-dot {
  display: none;
  width: 0.25rem;
  height: 0.25rem;
  background-color: rgba(93, 64, 55, 0.3);
  border-radius: 50%;
}

@media (min-width: 768px) {
  .episode-intro__track-meta-dot {
    display: block;
  }
}

/* Track Description */
.episode-intro__track-description {
  font-size: 0.75rem;
  color: #5d4037;
  line-height: 1.625;
  margin: 0;
  width: 100%;
  margin-top: 0.75rem;
}

@media (min-width: 768px) {
  .episode-intro__track-description {
    grid-column: 2;
    grid-row: 2;
    width: auto;
    margin-top: 0;
  }
}

/* Play Button */
.episode-intro__actions {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.episode-intro__play-btn {
  position: relative;
  padding: 1rem 2rem;
  background-color: #3e2723;
  color: #e8e0d5;
  font-family: 'Noto Serif SC', serif;
  font-size: 1.125rem;
  letter-spacing: 0.1em;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(62, 39, 35, 0.2);
  transition: all 0.3s ease;
  text-decoration: none;
  display: inline-block;
}

.episode-intro__play-btn:hover {
  box-shadow: 0 12px 25px rgba(62, 39, 35, 0.3);
}

.episode-intro__play-btn:active {
  transform: scale(0.95);
}

.episode-intro__play-btn-bg {
  position: absolute;
  inset: 0;
  background-color: #5d4037;
  transform: translateY(100%);
  transition: transform 0.3s ease-out;
}

.episode-intro__play-btn:hover .episode-intro__play-btn-bg {
  transform: translateY(0);
}

.episode-intro__play-btn-content {
  position: relative;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.episode-intro__play-btn-content i {
  font-size: 1.25rem;
  color: #ffd700;
  transition: transform 0.3s ease;
}

.episode-intro__play-btn:hover .episode-intro__play-btn-content i {
  transform: scale(1.1);
}

/* Button Corner Decorations */
.episode-intro__play-btn-corner {
  position: absolute;
  width: 0.375rem;
  height: 0.375rem;
  border-color: rgba(232, 224, 213, 0.3);
  border-style: solid;
  z-index: 10;
}

.episode-intro__play-btn-corner--tl {
  top: 0.25rem;
  left: 0.25rem;
  border-width: 1px 0 0 1px;
}

.episode-intro__play-btn-corner--tr {
  top: 0.25rem;
  right: 0.25rem;
  border-width: 1px 1px 0 0;
}

.episode-intro__play-btn-corner--bl {
  bottom: 0.25rem;
  left: 0.25rem;
  border-width: 0 0 1px 1px;
}

.episode-intro__play-btn-corner--br {
  bottom: 0.25rem;
  right: 0.25rem;
  border-width: 0 1px 1px 0;
}

/* =========================================
   Playing States
   ========================================= */

/* Vinyl Active States */
.episode-intro__vinyl--active,
.episode-intro__track--current .episode-intro__vinyl {
  opacity: 1;
  transform: translateX(0.5rem);
}

@media (min-width: 768px) {
  .episode-intro__vinyl--active,
  .episode-intro__track--current .episode-intro__vinyl {
    transform: translateX(1rem);
  }
}

.episode-intro__vinyl--spinning,
.episode-intro__track--playing .episode-intro__vinyl {
  animation: spin 4s linear infinite;
  transform: translateX(0);
}

@media (min-width: 768px) {
  .episode-intro__vinyl--spinning,
  .episode-intro__track--playing .episode-intro__vinyl {
    transform: translateX(0);
  }
}

/* Play Overlay Active State */
.episode-intro__track--current .episode-intro__play-overlay {
  opacity: 1;
}

/* Title Active State */
.episode-intro__track-title--active,
.episode-intro__track--current .episode-intro__track-title {
  color: #8b5a2b;
}

/* Equalizer Animation */
.episode-intro__equalizer {
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 0.75rem;
  margin-left: 0.5rem;
}

@media (min-width: 768px) {
  .episode-intro__equalizer {
    margin-left: auto;
  }
}

.episode-intro__equalizer--active,
.episode-intro__track--playing .episode-intro__equalizer {
  display: flex;
}

.episode-intro__equalizer-bar {
  width: 0.25rem;
  background-color: #8b5a2b;
  animation: equalizer 1s ease-in-out infinite;
}

.episode-intro__equalizer-bar:nth-child(1) {
  height: 40%;
  animation-delay: 0.1s;
}

.episode-intro__equalizer-bar:nth-child(2) {
  height: 70%;
  animation-delay: 0.3s;
}

.episode-intro__equalizer-bar:nth-child(3) {
  height: 50%;
  animation-delay: 0.2s;
}

.episode-intro__equalizer-bar:nth-child(4) {
  height: 80%;
  animation-delay: 0.4s;
}

@keyframes equalizer {
  0%, 100% { transform: scaleY(1); }
  50% { transform: scaleY(0.5); }
}

/* =========================================
   Loading State
   ========================================= */

.episode-intro__track--loading {
  opacity: 0.7;
  pointer-events: none;
}

.episode-intro__track--loading .episode-intro__play-overlay {
  opacity: 1;
}

.episode-intro__track--loading .episode-intro__play-overlay::after {
  content: '';
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid rgba(242, 239, 233, 0.3);
  border-top-color: #f2efe9;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  position: absolute;
}

.episode-intro__track--loading .episode-intro__play-icon {
  display: none;
}