:root {
  color-scheme: light;
  --bg: #ecebe7;
  --panel: #f4f2ed;
  --surface: #f0ede7;
  --ink: #111111;
  --muted: #5a5a56;
  --accent: #c4512f;
  --accent-2: #1e1e1c;
  --grid: #dad7d0;
  --wave-primary: #c4512f;
  --wave-secondary: #2f8f9a;
  --wave-line: rgba(30, 30, 28, 0.18);
  --wave-grid: rgba(30, 30, 28, 0.08);
  --wave-diff: rgba(229, 183, 94, 0.55);
  --shadow: 12px 12px 24px rgba(176, 170, 160, 0.35),
    -12px -12px 24px rgba(255, 255, 255, 0.75);
  --shadow-soft-sm: 6px 6px 14px rgba(176, 170, 160, 0.35),
    -6px -6px 14px rgba(255, 255, 255, 0.7);
  --shadow-inset: inset 2px 2px 5px rgba(168, 162, 152, 0.35),
    inset -2px -2px 5px rgba(255, 255, 255, 0.7);
  --font-main: "Space Grotesk", "Helvetica Neue", sans-serif;
  --font-mono: "IBM Plex Mono", "Courier New", monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font-main);
  color: var(--ink);
  background:
    linear-gradient(135deg, rgba(233, 231, 224, 0.8), rgba(245, 244, 239, 0.95)),
    repeating-linear-gradient(
      0deg,
      transparent,
      transparent 23px,
      rgba(200, 198, 190, 0.18) 24px
    ),
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 23px,
      rgba(200, 198, 190, 0.16) 24px
    );
  min-height: 100vh;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 28px 48px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  animation: fadeUp 0.6s ease;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 6px;
}

h1 {
  font-size: 42px;
  font-weight: 600;
  margin: 0;
}

.header-meta {
  display: flex;
  align-items: center;
  gap: 16px;
}

.meta-block {
  border: 1px solid var(--grid);
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--panel);
  display: grid;
  gap: 2px;
  min-width: 92px;
}

.meta-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.meta-value {
  font-family: var(--font-mono);
  font-size: 16px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.panel {
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 16px;
  padding: 18px;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  animation: panelIn 0.6s ease;
}

.panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(196, 81, 47, 0.08), transparent 55%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.panel:hover::after {
  opacity: 1;
}

.panel.wide {
  grid-column: 1 / -1;
}

.panel.v2 {
  border-style: dashed;
}

.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

h2 {
  margin: 0;
  font-size: 20px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.status {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.controls {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
  justify-content: flex-start;
}

.button {
  border: 1px solid var(--accent-2);
  background: var(--accent-2);
  color: #f8f7f4;
  padding: 12px 10px;
  border-radius: 999px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  cursor: pointer;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.08),
    4px 6px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.button:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  box-shadow: none;
}

.button.ghost {
  background: var(--panel);
  color: var(--accent-2);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-soft-sm);
}

.button.record {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 6px 8px 16px rgba(160, 80, 50, 0.35);
}

.button.record.is-recording {
  background: #e46640;
  border-color: #e46640;
  animation: pulse 1.1s infinite;
}

.panel-foot {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px 18px;
  align-items: start;
}

.panel-foot .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.panel-foot .value {
  font-family: var(--font-mono);
  font-size: 14px;
}

.transport {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.transport-main {
  display: grid;
  gap: 16px;
}


.track-list {
  display: grid;
  gap: 16px;
}

.track {
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-radius: 14px;
  padding: 14px 16px;
  display: grid;
  gap: 12px;
  background: var(--surface);
  box-shadow: var(--shadow-inset);
}

.track-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.track-title {
  display: grid;
  gap: 4px;
}

.track-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.track-name {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-2);
}


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

.track-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.button.icon {
  width: 40px;
  height: 40px;
  padding: 0;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.button.meta-action {
  width: 30px;
  height: 30px;
  font-size: 13px;
}

.download-meta {
  display: grid;
  gap: 6px;
  justify-items: start;
}

.meta-actions {
  display: flex;
  gap: 6px;
  align-items: center;
}

.track-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
}

.track-sep {
  margin: 0 4px;
}

.scrub-row {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 12px;
  align-items: center;
}

.waveform {
  position: relative;
  height: 66px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-inset);
  padding: 8px 12px;
  overflow: hidden;
}

.waveform canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.playhead {
  position: absolute;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: var(--accent);
  left: 0%;
  transform: translateX(0);
  border-radius: 999px;
  box-shadow: 0 0 8px rgba(196, 81, 47, 0.4);
}

.scrubber {
  width: 100%;
  accent-color: var(--accent);
}

.track-select {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  border: 1px solid rgba(255, 255, 255, 0.75);
  border-radius: 999px;
  background: var(--panel);
  padding: 8px 12px;
  color: var(--accent-2);
  box-shadow: var(--shadow-soft-sm);
}

.footer {
  border-top: 1px solid var(--grid);
  padding-top: 16px;
  font-size: 13px;
  color: var(--muted);
}

.notes {
  max-width: 720px;
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(196, 81, 47, 0.6);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(196, 81, 47, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(196, 81, 47, 0);
  }
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes panelIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 980px) {
  .header {
    flex-direction: column;
    align-items: flex-start;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .controls {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .transport {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .app {
    padding: 28px 18px 36px;
  }

  h1 {
    font-size: 32px;
  }

  .panel-foot {
    flex-direction: column;
    gap: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}