* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  padding: 2rem 1rem;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: absolute;
  width: 450px;
  height: 450px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.18) 0%, rgba(0, 0, 0, 0) 70%);
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 0;
  pointer-events: none;
}

body::after {
  content: "";
  position: absolute;
  width: 350px;
  height: 350px;
  background: radial-gradient(circle, rgba(52, 211, 153, 0.1) 0%, rgba(0, 0, 0, 0) 70%);
  bottom: 50px;
  right: -50px;
  z-index: 0;
  pointer-events: none;
}

header {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto 2rem auto;
  text-align: center;
}

header h1 {
  font-size: 2.2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 0%, #a7f3d0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

header p {
  color: var(--text-muted);
  font-size: 0.95rem;
  opacity: 0.9;
}

.song-grid {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.song-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 0.85rem;
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.25rem;
  align-items: center;
  backdrop-filter: blur(12px);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.song-card:hover {
  border-color: rgba(16, 185, 129, 0.3);
  transform: translateY(-1px);
}

.video-container {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #090d0c;
  cursor: pointer;
}

.video-container img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.video-container:hover img {
  transform: scale(1.03);
  opacity: 0.9;
}

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 48px;
  height: 48px;
  background: rgba(16, 185, 129, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
  transition: transform 0.2s ease, background-color 0.2s ease;
  z-index: 2;
}

.video-container:hover .play-btn {
  transform: translate(-50%, -50%) scale(1.1);
  background: var(--accent);
}

.play-btn::after {
  content: "";
  display: block;
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 8px 0 8px 14px;
  border-color: transparent transparent transparent #ffffff;
  margin-left: 3px;
}

.video-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.song-details {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.song-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.song-title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
}

.btn-restart {
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  color: var(--text-muted);
  font-size: 0.78rem;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.btn-restart:hover {
  background: rgba(16, 185, 129, 0.25);
  color: var(--text);
  border-color: var(--accent);
}

.editorial-notes {
  color: var(--text-muted);
  line-height: 1.5;
  font-size: 0.88rem;
}

.empty-state {
  text-align: center;
  color: var(--text-muted);
  padding: 3rem;
}

@media (max-width: 640px) {
  .song-card {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}