:root {
  --bg: #050709;
  --bg-alt: #0f141a;
  --text: #f4f4f4;
  --muted: #a0a7b2;
  --accent: #6fb1ff;
  --accent-soft: rgba(111, 177, 255, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

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

html,
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: radial-gradient(circle at top, #192235 0, #050709 60%);
  min-height: 100%;
}

/* Layout */

.page-header {
  padding: 2.5rem 1.25rem 1.5rem;
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
}

.page-main {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.25rem 2.5rem;
}

.page-footer {
  max-width: 900px;
  margin: 0 auto;
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 1.25rem 2rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Header text */

h1 {
  margin: 0 0 0.25rem;
  font-size: clamp(1.8rem, 2.6vw, 2.4rem);
  letter-spacing: 0.03em;
}

.tagline {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Header links / GitHub buttons */

.header-links {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.gh-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.45rem 0.9rem;
  font-size: 0.85rem;
  text-decoration: none;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(30, 44, 80, 0.95);
  color: #fdfdfd;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 500;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    box-shadow 140ms ease,
    transform 80ms ease;
}


/* System sections */

.system-section {
  margin-top: 2.25rem;
}

.system-heading {
  display: inline-flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0 0 0.75rem;
}

.system-name {
  font-size: 1.1rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/*.system-name::after {
  content: "";
  display: inline-block;
  vertical-align: middle;
  height: 1px;
  width: 3rem;
  background: linear-gradient(
    to right,
    var(--accent),
    rgba(111, 177, 255, 0)
  );
  margin-left: 0.75rem;
}*/

.system-count {
  font-size: 0.8rem;
  color: var(--muted);
}

.system-note {
  margin: -1.0rem 0 0.4rem;
  font-size: 0.8rem;
  color: var(--muted);
  max-width: 36rem;
}

/* Track list: single column on small screens, two columns when wide enough */

.track-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border-subtle);
  display: grid;
  grid-template-columns: 1fr;
  column-gap: 1.75rem;
}

@media (min-width: 720px) {
  .track-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Track item */

.track-item {
  display: flex;
  align-items: center;
  gap: 0.45rem;              /* was 0.6rem */
  padding: 0.55rem 0.15rem 0.55rem 0;
  border-bottom: 1px solid var(--border-subtle);
}

.track-label {
  flex: 1;
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Play button – fixed width, icon-only, slightly brighter */

.play-button {
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(25, 34, 60, 0.98); /* a bit brighter than before */
  padding: 0.3rem 0.7rem;
  font-size: 1rem;
  border-radius: 0;
  color: var(--text);
  cursor: pointer;
  text-transform: none; /* icon only, no uppercase needed */
  letter-spacing: 0;
  width: 4.8rem; /* fixed width so ▶ / ⏸ don’t move things */
  text-align: center;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition:
    background 120ms ease,
    border-color 120ms ease,
    box-shadow 120ms ease,
    transform 80ms ease;
}

.play-button:hover {
  background: rgba(40, 54, 90, 1);
  border-color: rgba(255, 255, 255, 0.35);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.play-button:active {
  transform: translateY(1px);
}

.play-button[aria-pressed="true"] {
  background: #ffffff;
  border-color: #ffffff;
  color: #020813; /* dark text for contrast on white */
}

/* Equalizer indicator (3 bars in a smaller square) */

.eq {
  width: 12px;               /* was 16px */
  height: 12px;              /* was 16px */
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-right: 0.2rem;      /* was 0.25rem */
  opacity: 0;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.track-item.playing .eq {
  opacity: 1;
}

.eq-bar {
  display: block;
  width: 2px;                /* narrower bars */
  height: 100%;
  background: #36da5f;
  border-radius: 1px;
  transform-origin: bottom;
  animation: eq-bar 1.9s ease-in-out infinite; /* slower, smoother */
}

/* Different durations so they move independently, but all slower now */
.eq-bar:nth-child(2) {
  animation-duration: 1.7s;
}
.eq-bar:nth-child(3) {
  animation-duration: 2.1s;
}

@keyframes eq-bar {
  0% {
    transform: scaleY(0.6);
  }
  25% {
    transform: scaleY(0.9);
  }
  50% {
    transform: scaleY(0.8);
  }
  75% {
    transform: scaleY(1);
  }
  100% {
    transform: scaleY(0.6);
  }
}

/* Responsive tweaks */

@media (max-width: 600px) {
  .track-item {
    gap: 0.6rem;
  }

  .track-label {
    font-size: 0.9rem;
  }
}