:root {
  --bg-color: #fcf8ec;
  --border-color: #222222;
  --btn-yellow: #ffbd2a;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg-color);
  color: var(--border-color);
}

.header {
  border-bottom: 3px solid var(--border-color);
  background: #fff;
  padding: 10px 20px;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  margin: 0;
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: 1px;
  flex-shrink: 0;
}

.header-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  max-width: 380px;
}

.search-icon {
  position: absolute;
  left: 12px;
  display: flex;
  align-items: center;
  pointer-events: none;
  color: #666;
}

.header-search-input {
  width: 100%;
  box-sizing: border-box;
  padding: 8px 14px 8px 36px;
  font-size: 0.9rem;
  font-weight: bold;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  outline: none;
  background: #faf7ee;
  box-shadow: 2px 2px 0 var(--border-color);
  transition: background-color 0.15s, box-shadow 0.15s;
}

.header-search-input:focus {
  background: #fff;
  box-shadow: 2px 2px 0 var(--border-color);
}

.header-nav-links {
  display: flex;
  gap: 16px;
  align-items: center;
  flex-shrink: 0;
}

.main-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 30px 20px 160px 20px;
}

.hero {
  text-align: center;
  margin-bottom: 40px;
}

.hero h2 {
  font-size: 2.2rem;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 12px;
}

.tag-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #f7f5ed;
  border: 2px solid var(--border-color);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.8rem;
  font-weight: bold;
  color: var(--border-color);
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--border-color);
  transition: transform 0.08s, box-shadow 0.08s, background-color 0.15s;
  user-select: none;
}

.tag-pill:hover {
  background: #ffeaa7;
}

.tag-pill:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--border-color);
}

.tag-pill.active {
  background: var(--btn-yellow);
}

.tag-pill .pill-count {
  font-size: 0.72rem;
  color: #666;
  font-weight: normal;
}

.track-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 24px;
}

.track-card {
  background: #fff;
  border: 3px solid var(--border-color);
  border-radius: 12px;
  padding: 16px;
  box-shadow: 4px 4px 0 var(--border-color);
  display: flex;
  flex-direction: column;
}

.record-stage {
  height: 180px;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  overflow: hidden;
  user-select: none;
}

.screw {
  position: absolute;
  width: 8px;
  height: 8px;
  background-color: #bbb;
  border-radius: 50%;
  border: 1px solid var(--border-color);
}
.screw.tl { top: 6px; left: 6px; }
.screw.tr { top: 6px; right: 6px; }
.screw.bl { bottom: 6px; left: 6px; }
.screw.br { bottom: 6px; right: 6px; }

.record-disc {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  position: relative;
  background:
    repeating-radial-gradient(
      circle,
      transparent 0,
      transparent 3px,
      rgba(255, 255, 255, 0.05) 4px,
      transparent 5px
    ),
    conic-gradient(
      from 0deg,
      #1a1a1a 0deg,
      #3a3a3a 45deg,
      #1a1a1a 90deg,
      #111111 180deg,
      #3a3a3a 225deg,
      #1a1a1a 270deg,
      #111111 360deg
    );
  border: 3px solid #111;
  box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  transition: transform 0.2s;
  display: flex;
  justify-content: center;
  align-items: center;
}

.record-disc::before {
  content: "BGM LAB";
  position: absolute;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background-color: #ffbd2a;
  border: 2px solid #222;
  box-sizing: border-box;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 7px;
  font-weight: 900;
  color: #222;
  letter-spacing: 0.5px;
}

.record-stage.playing .record-disc {
  animation: spin 3.0s linear infinite;
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.play-icon-overlay {
  position: absolute;
  width: 32px;
  height: 32px;
  color: #fff;
  filter: drop-shadow(0 0 4px rgba(0, 0, 0, 0.8));
  pointer-events: none;
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-icon-overlay svg {
  width: 100%;
  height: 100%;
}

.track-info {
  margin-top: 14px;
  flex-grow: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.track-title {
  margin: 0 0 8px 0;
  font-size: clamp(0.85rem, 3.8vw, 1.1rem);
  font-weight: bold;
  white-space: nowrap;
  overflow: hidden;
  line-height: 1.3;
}

.track-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.meta-badge {
  background: #f4f0e6;
  border: 1px solid var(--border-color);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: bold;
  color: #555;
  font-family: monospace;
}

.track-stats-row {
  margin-top: auto;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.like-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fdfdfd;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  padding: 2px 8px;
  cursor: pointer;
  color: #666;
  font-size: 0.72rem;
  font-weight: bold;
  box-shadow: 1px 1px 0 var(--border-color);
  transition: transform 0.08s, background-color 0.15s, color 0.15s;
  flex-shrink: 0;
}

.like-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 0 0 0 var(--border-color);
}

.like-btn.liked {
  background: #ffe3e3;
  color: #e53935;
  border-color: #e53935;
}

.like-btn .heart-icon {
  display: flex;
  align-items: center;
}

.share-card-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: #fdfdfd;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  padding: 2px 8px;
  cursor: pointer;
  color: var(--border-color);
  font-size: 0.72rem;
  font-weight: bold;
  box-shadow: 1px 1px 0 var(--border-color);
  transition: transform 0.08s, background-color 0.15s;
  flex-shrink: 0;
}

.share-card-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 0 0 0 var(--border-color);
}

.share-card-btn:hover {
  background: #eef3f8;
}

.share-card-btn svg {
  display: block;
}

.dl-count-badge {
  font-size: 0.72rem;
  color: #666;
  background: #fafafa;
  border: 1px solid #ddd;
  padding: 2px 6px;
  border-radius: 4px;
}

.dl-count-badge b {
  color: var(--border-color);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 10px;
}

.tag-label {
  background: #f0f0f0;
  border: 1px solid var(--border-color);
  font-size: 0.72rem;
  padding: 2px 6px;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s, transform 0.08s;
}

.tag-label:hover {
  background: #ffe699;
}

.tag-label.active {
  background: var(--btn-yellow);
  font-weight: bold;
}

.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #fff;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  padding: 10px 16px;
  margin-bottom: 24px;
  box-shadow: 2px 2px 0 var(--border-color);
  gap: 12px;
  flex-wrap: wrap;
}

.filter-bar.hidden {
  display: none;
}

.filter-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-label {
  font-size: 0.85rem;
  font-weight: bold;
}

.filter-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--btn-yellow);
  border: 1.5px solid var(--border-color);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 0.75rem;
  font-weight: bold;
  cursor: pointer;
}

.filter-chip .chip-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  line-height: 1;
  color: #555;
  margin-left: 2px;
}

.filter-chip:hover {
  background: #ffd35e;
}

.clear-filter-btn {
  background: #f0f0f0;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 1px 1px 0 var(--border-color);
  transition: transform 0.08s, box-shadow 0.08s;
  white-space: nowrap;
}

.clear-filter-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 0 0 0 var(--border-color);
}

.retro-btn {
  display: block;
  box-sizing: border-box;
  text-align: center;
  text-decoration: none;
  font-weight: bold;
  padding: 10px;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  background-color: var(--btn-yellow);
  color: var(--border-color);
  box-shadow: 2px 2px 0 var(--border-color);
  cursor: pointer;
  transition: transform 0.08s, box-shadow 0.08s;
}

.retro-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--border-color);
}

.bottom-player {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%) translateY(0);
  width: calc(100% - 32px);
  max-width: 760px;
  background: #ffffff;
  border: 3px solid var(--border-color);
  border-radius: 18px;
  box-shadow: 5px 5px 0 var(--border-color);
  box-sizing: border-box;
  padding: 10px 18px;
  z-index: 1000;
  transition: transform 0.35s cubic-bezier(0.18, 0.89, 0.32, 1.28), opacity 0.3s ease;
}

.bottom-player.hidden {
  transform: translateX(-50%) translateY(140%);
  opacity: 0;
  pointer-events: none;
}

.player-inner {
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  border-bottom: 2px dashed #e2decb;
  padding-bottom: 6px;
}

.player-header-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  flex: 1;
}

.player-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
}

.player-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  background: #fdfdfd;
  border: 1.5px solid var(--border-color);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 0.72rem;
  font-weight: bold;
  cursor: pointer;
  color: var(--border-color);
  box-shadow: 1.5px 1.5px 0 var(--border-color);
  transition: transform 0.08s, background-color 0.15s;
  text-decoration: none;
}

.player-action-btn:active {
  transform: translate(1px, 1px);
  box-shadow: 0 0 0 var(--border-color);
}

.player-action-btn.liked {
  background: #ffe3e3;
  color: #e53935;
  border-color: #e53935;
}

.player-close-btn {
  background: none;
  border: none;
  font-size: 1.3rem;
  font-weight: 900;
  color: #888;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
  margin-left: 4px;
  transition: color 0.15s, transform 0.08s;
}

.player-close-btn:hover {
  color: var(--border-color);
}

.player-close-btn:active {
  transform: scale(0.9);
}

.now-playing-badge {
  font-size: 0.65rem;
  font-weight: 900;
  background: var(--border-color);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.track-title-wrapper {
  overflow: hidden;
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
}

.player-track-title {
  display: inline-block;
  font-weight: 900;
  font-size: clamp(0.75rem, 2.5vw, 0.95rem);
  line-height: 1.2;
  word-break: break-word;
  white-space: normal;
}

.player-controls-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.controls-left {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.player-play-btn {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--btn-yellow);
  border: 2px solid var(--border-color);
  box-shadow: 2px 2px 0 var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border-color);
  transition: transform 0.08s, box-shadow 0.08s;
}

.player-play-btn svg {
  display: block;
}

.player-play-btn .icon-play {
  margin-left: 2px;
}

.player-play-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--border-color);
}

.player-icon-btn {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #f0f0f0;
  border: 2px solid var(--border-color);
  box-shadow: 2px 2px 0 var(--border-color);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border-color);
  opacity: 0.6;
  transition: transform 0.08s, box-shadow 0.08s, background-color 0.15s, opacity 0.15s;
}

.player-icon-btn svg {
  display: block;
}

.player-icon-btn:active {
  transform: translate(2px, 2px);
  box-shadow: 0 0 0 var(--border-color);
}

.player-icon-btn.active {
  background: var(--btn-yellow);
  opacity: 1;
}

.controls-center {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 10px;
}

.time-display {
  font-size: 0.75rem;
  font-family: monospace;
  font-weight: bold;
  color: #333;
  min-width: 32px;
}

.controls-right {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 140px;
  flex-shrink: 0;
}

.volume-btn {
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--border-color);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  transition: transform 0.08s;
}

.volume-btn:active {
  transform: scale(0.9);
}

.volume-btn svg {
  display: block;
}

.retro-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  background: #eee;
  border: 2px solid var(--border-color);
  border-radius: 6px;
  outline: none;
  cursor: pointer;
}

.retro-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--btn-yellow);
  border: 2px solid var(--border-color);
  cursor: pointer;
  box-shadow: 1px 1px 0 var(--border-color);
}

@media (max-width: 680px) {
  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
  }
  .header-search-wrapper {
    order: 3;
    max-width: 100%;
    margin-top: 4px;
  }
  .bottom-player {
    bottom: 14px;
    width: calc(100% - 20px);
    border-radius: 14px;
    padding: 10px 12px;
  }
  .controls-right {
    display: none;
  }
  .main-container {
    padding-bottom: 180px;
  }


  .tag-pill {
    padding: 3px 10px;
    font-size: 0.75rem;
  }

  .filter-bar {
    padding: 8px 12px;
    font-size: 0.8rem;
  }
}