:root {
  color-scheme: dark;
  --bg: #0f172a;
  --panel: #111c31;
  --panel-soft: #162238;
  --line: #26344d;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --muted-2: #64748b;
  --primary: #3b82f6;
  --primary-strong: #2563eb;
  --ok: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

button, input, textarea, select {
  font: inherit;
}

button, a {
  -webkit-tap-highlight-color: transparent;
}

.app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.nav {
  height: 64px;
  border-bottom: 1px solid var(--line);
  background: #111827;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 6px;
  background: var(--primary);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 800;
}

h1, h2, h3, p { margin: 0; }
h1 { font-size: 18px; }
h2 { font-size: 17px; }
h3 { font-size: 18px; }
.brand p, .section-head p, .hero-strip p, small { color: var(--muted); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

button, .ghost-link, .secondary {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel-soft);
  color: var(--text);
  padding: 8px 12px;
  text-decoration: none;
  cursor: pointer;
}

button:hover, .ghost-link:hover, .secondary:hover {
  border-color: #475569;
  background: #1f2d45;
}

.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  font-weight: 700;
}

.primary:hover {
  background: var(--primary-strong);
}

.danger {
  color: #fecaca;
  border-color: #7f1d1d;
}

.workspace {
  width: min(1440px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 18px 0 40px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-strip, .panel {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: 8px;
}

.hero-strip {
  min-height: 92px;
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.eyebrow {
  color: #93c5fd;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0;
}

.hero-strip h2 {
  margin-top: 4px;
  font-size: 24px;
}

.kpis {
  display: grid;
  grid-template-columns: repeat(4, minmax(90px, 1fr));
  gap: 10px;
  min-width: 430px;
}

.kpi {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: #0f1a2d;
}

.kpi strong {
  display: block;
  font-size: 20px;
}

.kpi span {
  color: var(--muted);
  font-size: 12px;
}

.main-grid {
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(460px, 1.1fr);
  gap: 16px;
  align-items: start;
}

.panel {
  padding: 16px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 14px;
}

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

label > span, legend {
  color: #f8fafc;
  font-weight: 650;
}

input, textarea, select {
  width: 100%;
  border: 1px solid #334155;
  border-radius: 6px;
  background: #0f1a2d;
  color: var(--text);
  padding: 10px 11px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.18);
}

.file-drop {
  border: 1px dashed #3d4b64;
  border-radius: 8px;
  padding: 12px;
  background: #0f1a2d;
}

.style-picker {
  border: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.style-option {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  border: 1px solid #334155;
  border-radius: 6px;
  padding: 10px;
  background: #0f1a2d;
}

.style-option input {
  width: 18px;
  margin-top: 3px;
}

.style-option strong {
  display: block;
  margin-bottom: 2px;
}

.control-grid, .advanced-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.control-grid b {
  float: right;
  color: #93c5fd;
}

input[type="range"] {
  padding: 0;
}

.friendly-advanced {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px;
  background: #0f1a2d;
}

.friendly-advanced summary {
  cursor: pointer;
  font-weight: 700;
}

.advanced-grid {
  margin-top: 12px;
}

.submit-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

#submitMsg {
  color: var(--muted);
}

.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.tab {
  padding: 6px 10px;
}

.tab.active {
  background: var(--primary);
  border-color: var(--primary);
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 620px;
  overflow: auto;
  padding-right: 4px;
}

.task-row {
  width: 100%;
  display: block;
  text-align: left;
  padding: 12px;
  background: #0f1a2d;
}

.task-row.selected {
  border-color: var(--primary);
}

.task-row-main, .output-head, .detail-summary {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.task-title {
  font-weight: 750;
  margin-bottom: 3px;
}

.task-sub, .task-stats, .output-meta, .detail-summary p {
  color: var(--muted);
  font-size: 12px;
}

.task-stats, .output-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.progress-line {
  height: 5px;
  background: #24324a;
  border-radius: 999px;
  overflow: hidden;
  margin: 10px 0 8px;
}

.progress-line span {
  display: block;
  height: 100%;
  background: var(--primary);
}

.badge {
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  white-space: nowrap;
}

.badge.ok { background: rgba(34, 197, 94, 0.15); color: #86efac; }
.badge.warn { background: rgba(245, 158, 11, 0.15); color: #fcd34d; }
.badge.bad { background: rgba(239, 68, 68, 0.16); color: #fca5a5; }
.badge.muted { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; }

.detail-empty, .empty-state {
  border: 1px dashed #334155;
  border-radius: 8px;
  padding: 28px;
  color: var(--muted);
  text-align: center;
  background: #0f1a2d;
}

.detail-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.detail-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.info-grid div {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: #0f1a2d;
  min-width: 0;
}

.info-grid span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-bottom: 4px;
}

.info-grid strong {
  display: block;
  overflow-wrap: anywhere;
}

.split-title {
  font-weight: 750;
  color: #f8fafc;
}

.outputs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 12px;
}

.output-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0f1a2d;
  padding: 12px;
}

.output-head p {
  color: var(--muted);
  font-size: 12px;
  margin-top: 4px;
}

audio {
  width: 100%;
  margin-top: 10px;
}

.output-error {
  margin-top: 10px;
  color: #fecaca;
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.24);
  border-radius: 6px;
  padding: 10px;
  white-space: pre-wrap;
}

.event-log {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.event-log summary {
  cursor: pointer;
  font-weight: 700;
}

pre {
  overflow: auto;
  background: #0b1220;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: #dbeafe;
  padding: 12px;
}

.status-panel pre {
  margin: 0;
}

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #0f1a2d;
}

::-webkit-scrollbar-thumb {
  background: #475569;
  border-radius: 999px;
}

@media (max-width: 980px) {
  .main-grid, .control-grid, .advanced-grid, .info-grid {
    grid-template-columns: 1fr;
  }
  .hero-strip {
    align-items: flex-start;
    flex-direction: column;
  }
  .kpis {
    min-width: 0;
    width: 100%;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}