:root {
  --bg-black: #000000;
  --bg-dark: #121212;
  --bg-card: #181818;
  --bg-hover: #282828;
  --text-main: #ffffff;
  --text-sub: #b3b3b3;
  --accent: #1db954;
  --pill-bg: #2a2a2a;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-black);
  color: var(--text-main);
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

#homeBtn {
  cursor: pointer;
  transition: color 0.2s ease;
  user-select: none;
}

#homeBtn:hover {
  color: var(--text-main);
}

.app-container {
  display: flex;
  flex: 1;
  gap: 8px;
  padding: 8px;
  overflow: hidden;
}

.sidebar {
  width: 280px;
  flex-shrink: 0;
  background: var(--bg-dark);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  z-index: 10;
}

.sidebar h2 {
  color: var(--text-sub);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.menu {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.menu-item {
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-sub);
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.menu-item:hover, 
.menu-item.active {
  background: var(--bg-hover);
  color: var(--text-main);
}

.item-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.sub {
  font-size: 0.8rem;
  color: #888888;
  font-weight: 400;
  padding-left: 18px;
}

.menu-item:hover .sub,
.menu-item.active .sub {
  color: #b3b3b3;
}

.main-view {
  flex: 1;
  min-width: 0;
  height: 100%;
  background: var(--bg-dark);
  border-radius: 8px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-y: auto;
  z-index: 1;
}

.content-section {
  width: 100%;
}

.preview-card {
  max-width: 100%;
  height: 520px;
  border-radius: 8px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 32px;
  cursor: pointer;
  transition: transform 0.2s ease, background-image 0.25s ease-in-out;
  overflow: hidden;
  contain: layout paint;  
}

.preview-card:hover {
  transform: scale(0.995);
}

.preview-overlay {
  background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
  padding: 24px;
  border-radius: 8px;
}

.preview-overlay .badge,
.album-details .badge {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--accent);
  margin-bottom: 4px;
  display: block;
}

.preview-title {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 8px;
}

.preview-desc {
  color: var(--text-sub);
  font-size: 1.1rem;
}

.album-container {
  width: 100%;
}

.album-header {
  display: flex;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.album-cover {
  width: 180px;
  height: 180px;
  border-radius: 8px;
  object-fit: cover;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  flex-shrink: 0;
}

.album-title {
  font-size: 3rem;
  font-weight: 900;
  margin: 4px 0 8px;
}

.album-meta {
  color: var(--text-sub);
  font-size: 0.95rem;
}

.album-body {
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.bio-section h2,
.tracks-section h2 {
  font-size: 1.3rem;
  margin-bottom: 16px;
  color: var(--text-main);
  font-weight: 800;
}

.bio-section p {
  color: var(--text-sub);
  line-height: 1.6;
  font-size: 0.98rem;
  max-width: 900px;
}

.tracks-section {
  display: flex;
  flex-direction: column;
  margin-top: 8px;
}

.track-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 12px;
  color: var(--text-sub);
  font-size: 0.85rem;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 8px;
}

.track-header-row .th-num {
  width: 70px;
  padding-left: 48px;
}

.track-header-row .th-genre {
  text-align: right;
  padding-right: 24px;
}

.track-item {
  border-radius: 6px;
  transition: background 0.2s ease;
  cursor: pointer;
  margin-bottom: 4px;
}

.track-item:hover {
  background: var(--bg-hover);
}

.track-item.expanded .expanded-layout {
  opacity: 1;
}

.track-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
}

.track-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.num-container {
  width: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: 600;
  color: var(--text-sub);
}

.play-icon {
  display: none;
  color: var(--text-main);
  font-size: 0.85rem;
}

.track-item:hover .num {
  display: none;
}

.track-item:hover .play-icon {
  display: inline-block;
}

.title-meta {
  display: flex;
  flex-direction: column;
}

.click-hint {
  font-size: 0.72rem;
  color: #727272;
  transition: color 0.2s ease;
}

.track-item:hover .click-hint {
  color: var(--accent);
}

.track-item.expanded .title {
  color: var(--accent);
}

.track-item.expanded .num-container .num {
  display: none;
}

.track-item.expanded .num-container .play-icon {
  display: inline-block;
  color: var(--accent);
}

.track-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.equalizer-icon {
  display: none;
  align-items: flex-end;
  gap: 2px;
  height: 14px;
}

.equalizer-icon span {
  width: 3px;
  background-color: var(--accent);
  animation: bounce 0.8s infinite ease-in-out alternate;
}

.equalizer-icon span:nth-child(1) { height: 60%; animation-delay: 0.1s; }
.equalizer-icon span:nth-child(2) { height: 100%; animation-delay: 0.3s; }
.equalizer-icon span:nth-child(3) { height: 40%; animation-delay: 0.2s; }

.track-item.expanded .equalizer-icon {
  display: flex;
}

@keyframes bounce {
  0% { height: 20%; }
  100% { height: 100%; }
}

.track-thumb {
  width: 44px;
  height: 44px;
  border-radius: 4px;
  object-fit: cover;
}

.track-left .num {
  font-weight: 600;
  color: var(--text-sub);
  width: 20px;
}

.track-left .title {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
}

.genre-pill {
  background: var(--pill-bg);
  color: var(--text-main);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.3px;
}

.track-expanded-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  padding: 0 12px;
  border-bottom: 1px solid transparent;
}

.track-item.expanded .track-expanded-content {
  grid-template-rows: 1fr;
  padding: 16px 12px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.expanded-layout {
  overflow: hidden;
  display: flex;
  gap: 24px;
  align-items: flex-start;
  opacity: 0;
  transition: opacity 0.25s ease;
  padding: 0;
}

.expanded-art {
  width: 220px;
  height: 220px;
  border-radius: 8px;
  object-fit: cover;
  flex-shrink: 0;
  box-shadow: 0 8px 20px rgba(0,0,0,0.6);
}

.expanded-text {
  flex: 1;
}

.expanded-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.lyrics-label {
  font-size: 0.9rem;
  color: var(--text-sub);
  margin-bottom: 8px;
}

.expanded-text p {
  color: var(--text-main);
  font-size: 0.92rem;
  line-height: 1.55;
  max-width: 850px;
}

.project-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 18px;
  margin-top: 10px;
  transition: border-color 0.2s ease;
}

.project-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
}

.project-card h4 {
  font-size: 1.1rem;
  color: var(--text-main);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.tag-badge {
  font-size: 0.72rem;
  background: var(--pill-bg);
  color: var(--accent);
  padding: 3px 8px;
  border-radius: 12px;
  font-weight: 600;
}

.project-card p {
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.5;
  margin-bottom: 12px;
}

.tech-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}

.tech-pill {
  font-size: 0.75rem;
  background: rgba(255, 255, 255, 0.06);
  color: #ccc;
  padding: 3px 10px;
  border-radius: 12px;
}

.launch-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  background-color: #242424;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.85rem;
  border: 1px solid #3e3e3e;
  border-radius: 20px;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
  width: fit-content;
}

.launch-btn:hover {
  background-color: var(--accent);
  color: #0b0b0b;
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(29, 185, 84, 0.25);
}

.song-lyrics {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 12px;
}

.verse-block {
  border-left: 2px solid rgba(255, 255, 255, 0.15);
  padding-left: 14px;
}

.verse-block.outro {
  border-left-color: var(--accent);
}

.verse-tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--accent);
  text-transform: uppercase;
  display: block;
  margin-bottom: 4px;
}

.school-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 4px;
}

.school-title .location {
  font-size: 0.85rem;
  font-weight: 400;
  color: var(--text-sub);
}

.degree-line {
  color: #d1d1d1;
  font-size: 0.92rem;
  line-height: 1.4;
}

.degree-line.minor {
  color: var(--text-sub);
  font-size: 0.88rem;
}

.summary-text {
  color: var(--text-sub);
  font-size: 0.9rem;
  line-height: 1.5;
  font-style: italic;
}

.download-action {
  margin-top: 20px;
}

.resume-download-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
  padding: 10px 18px;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
  transition: all 0.2s ease;
}

.resume-download-btn:hover {
  background-color: var(--accent);
  color: #000;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.resume-download-btn .icon {
  font-size: 1.0rem;
}

.player-bar {
  height: 80px;
  background: var(--bg-black);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-top: 1px solid var(--bg-hover);
  flex-shrink: 0;
}

.now-playing {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 30%;
}

.now-playing img {
  width: 56px;
  height: 56px;
  border-radius: 4px;
  object-fit: cover;
}

.track-info .title {
  font-weight: 700;
  font-size: 0.9rem;
}

.track-info .artist {
  color: var(--text-sub);
  font-size: 0.8rem;
  margin-top: 2px;
}

.controls {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  width: 40%;
}

.buttons {
  display: flex;
  align-items: center;
  gap: 20px;
}

.btn {
  background: none;
  border: none;
  color: var(--text-sub);
  cursor: pointer;
  font-size: 1.2rem;
  transition: transform 0.1s ease, color 0.2s ease;
}

.btn:hover {
  color: var(--text-main);
  transform: scale(1.1);
}

.btn-play {
  background: var(--text-main);
  color: var(--bg-black);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  padding-left: 2px;
}

.btn-play:hover {
  transform: scale(1.08);
  color: var(--bg-black);
  background: var(--accent);
}

.player-spacer {
  width: 30%;
}

.modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 20px;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  width: 95%;
  max-width: 1100px;
  height: 85vh;
  background-color: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  transform: scale(0.95);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 20px;
  background-color: #202020;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

.modal-close-btn {
  background: rgba(255, 77, 77, 0.15);
  color: #ff5555;
  border: 1px solid rgba(255, 77, 77, 0.3);
  padding: 6px 14px;
  border-radius: 16px;
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.modal-close-btn:hover {
  background: #ff4d4d;
  color: #ffffff;
  border-color: #ff4d4d;
}

.modal-body {
  flex: 1;
  width: 100%;
  background-color: #000;
}

.modal-body iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

@media (max-width: 768px) {
  body {
    overflow: auto;
  }

  .app-container {
    flex-direction: column;
    overflow: visible;
  }

  .expanded-layout {
    flex-direction: column;
  }

  .expanded-art {
    width: 100%;
    height: auto;
    aspect-ratio: 1/1;
  }

  .album-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .album-cover {
    width: 140px;
    height: 140px;
  }

  .album-title {
    font-size: 2rem;
  }

  .player-bar {
    position: sticky;
    bottom: 0;
    z-index: 100;
  }

  .modal-container {
    height: 90vh;
    width: 100%;
  }
}