:root {
  --bg: #0b1020;
  --panel: #121a2b;
  --panel-2: #18233a;
  --text: #e8eefc;
  --muted: #9fb0d1;
  --line: #2b3a5c;
  --accent: #6ea8fe;
  --good: #31c48d;
  --warn: #f6ad55;
  --bad: #fc8181;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #0b1020, #0f172a);
  color: var(--text);
}
.app { max-width: 1400px; margin: 0 auto; padding: 24px; }
.hero {
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  margin-bottom: 20px;
}
.hero h1 { margin: 0 0 8px; font-size: 32px; }
.hero p { margin: 0; color: var(--muted); }
.layout {
  display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 20px;
}
.layout.single-flow {
  grid-template-columns: 1fr;
  gap: 16px;
}
.card {
  background: rgba(18,26,43,.95);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 40px rgba(0,0,0,.25);
}
.single-flow .card {
  max-width: 100%;
}
.card h2 { margin-top: 0; font-size: 20px; }
.grid { display: grid; gap: 14px; }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.title-row { grid-template-columns: 1fr 2.2fr 1fr; }
label { display: grid; gap: 8px; margin-bottom: 14px; }
.wide-field input { min-width: 0; }
span { font-size: 14px; color: var(--muted); }
.field-group {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  margin: 0 0 14px;
  background: rgba(255,255,255,.02);
}
.field-group legend {
  padding: 0 8px;
  color: var(--muted);
  font-size: 14px;
}
.hint-text {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}
.checkbox-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 12px;
  margin-top: 8px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-2);
}
.checkbox-group.three-cols {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.checkbox-group label {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  color: var(--text);
  font-size: 14px;
}
.checkbox-group input[type="checkbox"] {
  width: auto;
  margin: 0;
}
input, select, textarea, button {
  font: inherit;
}
input, select, textarea {
  width: 100%;
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  outline: none;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(110,168,254,.15);
}
details {
  margin: 12px 0 18px;
  background: rgba(255,255,255,.02);
  border: 1px dashed var(--line);
  padding: 12px 14px;
  border-radius: 12px;
}
summary { cursor: pointer; color: var(--muted); }
.more-fields { margin-top: 14px; }
.actions { display: flex; gap: 12px; }
button {
  background: var(--accent);
  color: #081225;
  border: none;
  padding: 12px 18px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 700;
}
button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.step-actions {
  margin-top: 16px;
}
.step-btn {
  min-width: 220px;
  padding: 12px 18px;
  border-radius: 12px;
  font-size: 14px;
  line-height: 1.2;
  font-weight: 700;
}
.step-btn.primary {
  background: var(--accent);
  color: #081225;
  border: none;
}
.step-btn.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}
.step-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
.empty {
  color: var(--muted);
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 12px;
}
.file-list {
  margin: -4px 0 14px;
  padding: 12px 14px;
  border: 1px dashed var(--line);
  border-radius: 12px;
  color: var(--text);
  background: rgba(255,255,255,.02);
}
.file-list .hint {
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}
.file-list ul {
  margin: 0;
  padding-left: 18px;
}
.file-list li {
  margin: 6px 0;
}
.empty-upload {
  color: var(--muted);
}
.hidden { display: none; }
.report-section { margin-bottom: 18px; }
.report-section h3 { margin: 0 0 10px; font-size: 16px; }
.report-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.single-flow .report-grid {
  grid-template-columns: 1fr;
}
.kv, .list-box {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
}
.kv strong { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
ul { margin: 8px 0 0 18px; }
.badge {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.badge.good { background: rgba(49,196,141,.15); color: var(--good); }
.badge.warn { background: rgba(246,173,85,.15); color: var(--warn); }
.badge.bad { background: rgba(252,129,129,.15); color: var(--bad); }
.full-span {
  grid-column: 1 / -1;
}
.strategy-chain {
  display: grid;
  gap: 12px;
}
.strategy-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  line-height: 1.75;
}
.strategy-card h4 {
  margin: 0 0 10px;
  font-size: 15px;
}
.title-selection-table {
  display: grid;
  gap: 10px;
}
.reference-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.reference-card {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
}
.reference-card h4 {
  margin: 0 0 8px;
}
.full-draft {
  display: grid;
  gap: 14px;
}
.full-draft-section {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  line-height: 1.8;
}
.full-draft-section h4 {
  margin: 0 0 10px;
}
.title-selection-header,
.title-selection-row {
  display: grid;
  grid-template-columns: 220px 1fr 80px;
  gap: 12px;
  align-items: center;
}
.title-selection-header {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  padding: 0 12px;
}
.title-selection-row {
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
.title-type {
  font-size: 14px;
  font-weight: 700;
}
.title-draft-input {
  width: 100%;
}
.title-pick {
  display: flex;
  justify-content: center;
}
.micro-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 0;
}
.micro-tag {
  display: inline-block;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  color: var(--text);
  background: rgba(110,168,254,.12);
  border: 1px solid rgba(110,168,254,.25);
}
@media (max-width: 1100px) {
  .layout { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .checkbox-group.three-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .grid.two, .grid.three, .report-grid, .checkbox-group.three-cols { grid-template-columns: 1fr; }
  .hero { flex-direction: column; align-items: flex-start; }
  .actions { flex-wrap: wrap; }
  .title-selection-header,
  .title-selection-row { grid-template-columns: 1fr; }
  .title-pick { justify-content: flex-start; }
  .reference-grid { grid-template-columns: 1fr; }
}