@import url('https://fonts.googleapis.com/css2?family=Chakra+Petch:wght@500;700&family=Instrument+Sans:wght@400;500;600&display=swap');

/* ═══ Tokens ═══ */
:root {
  --bg: #0f1411;
  --surface: #161e1a;
  --surface-2: #1c2722;
  --surface-hover: #22302a;
  --border: #263530;
  --border-active: #3d6b4f;
  --text: #dce8e2;
  --text-2: #7f9a8d;
  --text-3: #4d6358;
  --accent: #6ee75a;
  --accent-hover: #5cd04a;
  --accent-fg: #0f1a0d;
  --danger: #f87171;
  --danger-dim: #3b1111;
  --recording: #ef4444;
  --wave-orig: #5e9fd4;
  --wave-take: #6ee75a;
  --radius: 8px;
  --radius-lg: 10px;
}

/* ═══ Reset ═══ */
*, *::before, *::after { box-sizing: border-box; }
body { margin: 0; }
h1, h2, h3, p { margin: 0; }

/* ═══ Base ═══ */
body {
  font-family: 'Instrument Sans', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding: 12px;
  min-height: 100dvh;
}

h1, h2, h3 {
  font-family: 'Chakra Petch', sans-serif;
  line-height: 1.2;
}

/* ═══ Header ═══ */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.header-title {
  font-size: 1.25rem;
  font-weight: 700;
}

.header-sub {
  font-size: 0.8rem;
  color: var(--text-2);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.input-name {
  width: 120px;
  text-align: center;
}

/* ═══ Inputs & Buttons ═══ */
.input, .select, .btn {
  font: inherit;
  font-size: 0.84rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  padding: 7px 10px;
  outline: none;
  transition: border-color 0.15s;
}

.input:focus, .select:focus {
  border-color: var(--border-active);
}

.select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237f9a8d' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 28px;
}

.btn {
  cursor: pointer;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn:not(:disabled):hover {
  background: var(--surface-hover);
}

.btn-accent {
  background: var(--accent);
  color: var(--accent-fg);
  border-color: var(--accent);
  font-weight: 600;
}

.btn-accent:not(:disabled):hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.btn-ghost {
  background: transparent;
  text-decoration: none;
}

.btn-danger {
  color: var(--danger);
  border-color: var(--danger-dim);
}

.btn-danger:not(:disabled):hover {
  background: var(--danger-dim);
}

.btn-record {
  color: #fff;
  background: var(--recording);
  border-color: var(--recording);
}

.btn-record:not(:disabled):hover {
  background: #dc2626;
  border-color: #dc2626;
}

.btn-sm {
  font-size: 0.78rem;
  padding: 5px 8px;
}

.check-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.84rem;
  color: var(--text-2);
  cursor: pointer;
  white-space: nowrap;
}

.check-label input[type="checkbox"] {
  margin: 0;
  width: 15px;
  height: 15px;
  accent-color: var(--accent);
}

/* ═══ Toolbar ═══ */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px 10px;
  margin-bottom: 8px;
}

.input-search {
  flex: 1 1 180px;
  min-width: 0;
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}

.speed-group {
  display: flex;
  align-items: center;
  gap: 6px;
}

.speed-label {
  font-size: 0.78rem;
  color: var(--text-3);
}

.range-input {
  width: 72px;
  accent-color: var(--accent);
}

.speed-value {
  font-size: 0.78rem;
  color: var(--text-2);
  min-width: 38px;
}

/* ═══ Info Bar ═══ */
.info-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 16px;
  padding: 6px 12px;
  margin-bottom: 8px;
  font-size: 0.78rem;
  color: var(--text-2);
}

.info-status.error {
  color: var(--danger);
}

/* ═══ Main Layout ═══ */
.main {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 8px;
  min-height: 0;
}

/* ═══ Sidebar ═══ */
.sidebar {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: calc(100dvh - 170px);
}

.sidebar-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 8px;
  flex-shrink: 0;
}

.sidebar-title {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
}

.sidebar-count {
  font-size: 0.75rem;
  color: var(--text-3);
}

.event-list {
  flex: 1;
  overflow-y: auto;
  padding: 0 6px 6px;
}

.event-list::-webkit-scrollbar {
  width: 6px;
}
.event-list::-webkit-scrollbar-track {
  background: transparent;
}
.event-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* ═══ Event Item ═══ */
.event-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 7px 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-size: 0.82rem;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
}

.event-item:hover {
  background: var(--surface-2);
}

.event-item.active {
  background: var(--surface-2);
  border-color: var(--border-active);
}

.event-info {
  flex: 1;
  min-width: 0;
}

.event-id {
  display: block;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-sub {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  color: var(--text-3);
  margin-top: 1px;
}

.event-progress {
  width: 36px;
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  flex-shrink: 0;
}

.event-progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 2px;
  transition: width 0.2s;
}

.event-takes {
  font-size: 0.72rem;
  color: var(--text-3);
  white-space: nowrap;
  flex-shrink: 0;
}

.event-takes.done {
  color: var(--accent);
}

/* ═══ Detail Pane ═══ */
.detail {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 14px;
  min-height: 0;
  overflow-y: auto;
  max-height: calc(100dvh - 170px);
}

.detail::-webkit-scrollbar {
  width: 6px;
}
.detail::-webkit-scrollbar-track {
  background: transparent;
}
.detail::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

.btn-back {
  display: none; /* shown on mobile */
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  color: var(--text-2);
  font: inherit;
  font-size: 0.84rem;
  padding: 0;
  margin-bottom: 10px;
  cursor: pointer;
}

.btn-back:hover {
  color: var(--text);
}

.detail-head {
  margin-bottom: 14px;
}

.detail-title {
  font-size: 1.1rem;
  font-weight: 700;
  word-break: break-all;
}

.detail-meta {
  font-size: 0.8rem;
  color: var(--text-2);
  margin-top: 2px;
}

.detail-empty {
  color: var(--text-3);
  font-size: 0.88rem;
  padding: 32px 0;
  text-align: center;
}

/* ═══ Variants ═══ */
.variants {
  display: grid;
  gap: 10px;
}

.variant-card {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px;
}

.variant-card.is-recording {
  border-color: var(--recording);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--recording) 20%, transparent);
}

.variant-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}

.variant-title {
  font-family: 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: 0.88rem;
}

.variant-meta {
  font-size: 0.72rem;
  color: var(--text-3);
}

/* ═══ Waveform ═══ */
.waveform-stack {
  display: grid;
  gap: 4px;
  margin-bottom: 10px;
}

.waveform-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border-radius: 6px;
  padding: 4px 10px;
  cursor: pointer;
  transition: background 0.12s;
  min-height: 40px;
}

.waveform-row:hover {
  background: color-mix(in srgb, var(--surface) 80%, var(--surface-hover));
}

.waveform-row.is-playing {
  background: color-mix(in srgb, var(--surface) 70%, var(--surface-hover));
}

.waveform-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-3);
  width: 48px;
  flex-shrink: 0;
  user-select: none;
}

.waveform-track {
  flex: 1;
  height: 32px;
  min-width: 0;
}

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

.waveform-time {
  font-size: 0.72rem;
  color: var(--text-3);
  min-width: 32px;
  text-align: right;
  font-variant-numeric: tabular-nums;
  flex-shrink: 0;
}

/* Empty take row */
.waveform-empty {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border-radius: 6px;
  padding: 4px 10px;
  min-height: 40px;
  font-size: 0.78rem;
  color: var(--text-3);
}

/* Recording row */
.waveform-recording {
  display: flex;
  align-items: center;
  gap: 8px;
  background: color-mix(in srgb, var(--recording) 6%, var(--surface));
  border: 1px solid color-mix(in srgb, var(--recording) 25%, transparent);
  border-radius: 6px;
  padding: 4px 10px;
  min-height: 40px;
}

.recording-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--recording);
  flex-shrink: 0;
  animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.recording-text {
  font-size: 0.78rem;
  color: var(--danger);
  flex: 1;
}

.recording-timer {
  font-size: 0.78rem;
  color: var(--text-2);
  font-variant-numeric: tabular-nums;
}

/* ═══ Variant Actions ═══ */
.variant-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.variant-status {
  font-size: 0.75rem;
  color: var(--text-3);
  padding-top: 4px;
}

.not-recordable {
  font-size: 0.78rem;
  color: var(--text-3);
  padding: 8px 0;
}

/* ═══ Admin Page ═══ */
.admin-layout {
  display: grid;
  gap: 10px;
}

.admin-section {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.admin-section h2 {
  font-size: 1rem;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.admin-grid label {
  display: grid;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-2);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.text-muted {
  color: var(--text-2);
  font-size: 0.82rem;
}

/* ═══ Responsive ═══ */
@media (max-width: 768px) {
  body {
    padding: 8px;
  }

  .header {
    margin-bottom: 8px;
  }

  .header-sub {
    display: none;
  }

  .toolbar {
    gap: 6px;
    padding: 6px 8px;
  }

  .speed-group {
    display: none;
  }

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

  .sidebar {
    max-height: none;
  }

  .event-list {
    max-height: 60dvh;
  }

  .detail {
    max-height: none;
  }

  /* Mobile view switching */
  .main.show-detail .sidebar {
    display: none;
  }

  .main:not(.show-detail) .detail {
    display: none;
  }

  .main.show-detail .btn-back {
    display: flex;
  }
}

@media (min-width: 769px) {
  .btn-back {
    display: none !important;
  }
}

@media (max-width: 480px) {
  .header-title {
    font-size: 1.1rem;
  }

  .input-name {
    width: 90px;
  }

  .toolbar-right {
    width: 100%;
    justify-content: space-between;
  }
}