:root {
  --bg: #0f1419;
  --panel: #1a2332;
  --panel-2: #243044;
  --text: #e8eef7;
  --muted: #9fb0c7;
  --accent: #5b8def;
  --accent-2: #3d6fd8;
  --ok: #3ecf8e;
  --warn: #f0b429;
  --danger: #ef6b6b;
  --border: #2f3f57;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: radial-gradient(circle at top, #172033 0%, var(--bg) 45%);
  color: var(--text);
}

body {
  line-height: 1.6;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 32px 0 48px;
}

header {
  margin-bottom: 24px;
}

header h1 {
  margin: 0 0 8px;
  font-size: 1.8rem;
}

header p {
  margin: 0;
  color: var(--muted);
}

.grid {
  display: grid;
  gap: 20px;
}

@media (min-width: 900px) {
  .grid.two {
    grid-template-columns: 1.1fr 0.9fr;
  }
}

.card {
  background: rgba(26, 35, 50, 0.92);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}

.card h2 {
  margin: 0 0 14px;
  font-size: 1.05rem;
}

label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.92rem;
}

.dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 18px;
  text-align: center;
  background: rgba(36, 48, 68, 0.45);
  transition: border-color 0.2s, background 0.2s;
  cursor: pointer;
}

.dropzone.dragover {
  border-color: var(--accent);
  background: rgba(91, 141, 239, 0.12);
}

.dropzone strong {
  display: block;
  margin-bottom: 6px;
}

.dropzone span {
  color: var(--muted);
  font-size: 0.92rem;
}

.file-meta {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--muted);
  font-size: 0.92rem;
}

textarea,
input[type="text"] {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}

textarea {
  min-height: 140px;
  resize: vertical;
}

textarea::placeholder,
input::placeholder {
  color: #7f92ad;
}

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

.btn {
  appearance: none;
  border: 0;
  border-radius: 10px;
  padding: 11px 18px;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s, background 0.15s;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: white;
}

.btn-secondary {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--border);
}

.btn:not(:disabled):hover {
  transform: translateY(-1px);
}

.progress-wrap {
  margin-top: 16px;
}

.progress-bar {
  height: 10px;
  border-radius: 999px;
  background: var(--panel-2);
  overflow: hidden;
}

.progress-bar > span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--accent), var(--ok));
  transition: width 0.35s ease;
}

.status-line {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.status-line strong {
  color: var(--text);
}

.pill {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.pill.pending,
.pill.processing {
  background: rgba(240, 180, 41, 0.16);
  color: var(--warn);
}

.pill.completed {
  background: rgba(62, 207, 142, 0.16);
  color: var(--ok);
}

.pill.failed {
  background: rgba(239, 107, 107, 0.16);
  color: var(--danger);
}

.hidden {
  display: none !important;
}

.error-box {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(239, 107, 107, 0.12);
  border: 1px solid rgba(239, 107, 107, 0.35);
  color: #ffc9c9;
}

.review-toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
}

.review-list {
  display: grid;
  gap: 12px;
  max-height: 70vh;
  overflow: auto;
  padding-right: 4px;
}

.cue-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: rgba(36, 48, 68, 0.55);
  padding: 14px;
}

.cue-head {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
  color: var(--muted);
  font-size: 0.88rem;
}

.cue-index {
  color: var(--accent);
  font-weight: 700;
}

.cue-columns {
  display: grid;
  gap: 10px;
}

@media (min-width: 760px) {
  .cue-columns {
    grid-template-columns: 1fr 1fr;
  }
}

.cue-block {
  padding: 10px 12px;
  border-radius: 8px;
  background: rgba(15, 20, 25, 0.45);
  white-space: pre-wrap;
  word-break: break-word;
}

.cue-block small {
  display: block;
  margin-bottom: 6px;
  color: var(--muted);
}

.hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 0.86rem;
}

.engine-options {
  display: grid;
  gap: 10px;
}

.engine-option {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--panel-2);
  cursor: pointer;
}

.engine-option input {
  margin-top: 4px;
}

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

.engine-option small {
  color: var(--muted);
  font-size: 0.86rem;
}

.engine-option:has(input:checked) {
  border-color: var(--accent);
  background: rgba(91, 141, 239, 0.1);
}

footer {
  margin-top: 28px;
  text-align: center;
  color: var(--muted);
  font-size: 0.86rem;
}