:root {
  color-scheme: light;
  --bg: #f3f5f7;
  --panel: #ffffff;
  --panel-soft: #f8fafb;
  --text: #17202a;
  --muted: #66727f;
  --line: #dce2e7;
  --line-strong: #c5ced6;
  --accent: #225b45;
  --accent-soft: #e7f1ec;
  --warning: #9a5d14;
  --warning-soft: #fff6e8;
  --danger: #a43d3d;
  --shadow: 0 12px 34px rgba(22, 34, 44, .06);
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--bg); }
body { margin: 0; color: var(--text); background: var(--bg); font-family: Inter, "Microsoft YaHei", system-ui, sans-serif; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell { display: grid; grid-template-columns: 238px minmax(0, 1fr); min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; padding: 24px 16px; border-right: 1px solid var(--line); background: #1b2722; color: #eef5f1; }
.brand { display: flex; align-items: center; gap: 11px; color: inherit; text-decoration: none; }
.brand-mark { width: 39px; height: 39px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.25); border-radius: 10px; background: rgba(255,255,255,.08); font-weight: 800; }
.brand strong, .brand small { display: block; }
.brand small { margin-top: 2px; color: #9bb0a5; font-size: 10px; letter-spacing: .12em; text-transform: uppercase; }
.nav { display: grid; gap: 5px; margin-top: 42px; }
.nav-item { padding: 11px 12px; border: 0; border-radius: 7px; color: #aebdb5; background: transparent; text-align: left; }
.nav-item:hover, .nav-item.active { color: #fff; background: rgba(255,255,255,.09); }
.sidebar-card { position: absolute; right: 16px; bottom: 18px; left: 16px; padding: 14px; border: 1px solid rgba(255,255,255,.12); border-radius: 9px; background: rgba(255,255,255,.05); }
.sidebar-card span, .sidebar-card strong, .sidebar-card small { display: block; }
.sidebar-card span, .sidebar-card small { color: #9bb0a5; font-size: 11px; }
.sidebar-card strong { margin: 5px 0; font-size: 13px; }

.main { min-width: 0; }
.topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 92px; padding: 20px 28px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.72); backdrop-filter: blur(14px); }
.eyebrow { margin: 0 0 4px; color: var(--accent); font-size: 10px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 22px; }
h2 { margin-bottom: 0; font-size: 15px; }
h3 { margin: 24px 0 12px; font-size: 13px; }
.top-actions, .result-actions, .form-actions { display: flex; align-items: center; gap: 8px; }
.view { display: none; padding: 22px 28px 36px; }
.view.active { display: block; }

.generator-grid, .database-grid { display: grid; grid-template-columns: minmax(330px, .8fr) minmax(520px, 1.2fr); gap: 16px; }
.panel { border: 1px solid var(--line); border-radius: 10px; background: var(--panel); box-shadow: var(--shadow); }
.input-panel, .fields-panel, .issuer-list-panel, .issuer-form-panel { padding: 18px; }
.result-panel { margin-top: 16px; padding: 18px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 15px; margin-bottom: 16px; }
.panel-head > div:first-child { display: flex; align-items: center; gap: 9px; }
.step { display: grid; place-items: center; min-width: 30px; height: 24px; padding: 0 6px; border-radius: 5px; color: var(--accent); background: var(--accent-soft); font-size: 10px; font-weight: 800; }
.pill { display: inline-flex; align-items: center; min-height: 25px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 99px; color: var(--muted); background: var(--panel-soft); font-size: 10px; }
.pill.accent { border-color: #c8ded2; color: var(--accent); background: var(--accent-soft); }

.button { min-height: 36px; padding: 0 13px; border: 1px solid var(--line-strong); border-radius: 7px; color: var(--text); background: #fff; font-size: 12px; font-weight: 700; }
.button:hover { border-color: var(--accent); }
.button.primary { border-color: var(--accent); color: #fff; background: var(--accent); }
.button.subtle { background: var(--panel-soft); }
.button.danger { margin-right: auto; color: var(--danger); }
.button.wide { width: 100%; margin-top: 10px; }
.text-button { border: 0; color: var(--accent); background: transparent; font-size: 12px; font-weight: 700; }
.file-button { display: inline-flex; align-items: center; }
.file-button input { display: none; }

textarea, input, select { width: 100%; border: 1px solid var(--line); border-radius: 7px; color: var(--text); background: #fff; outline: none; }
textarea:focus, input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(34,91,69,.1); }
.brief-input { min-height: 350px; padding: 14px; resize: vertical; font-family: "Cascadia Mono", "Microsoft YaHei", monospace; font-size: 12px; line-height: 1.8; }
.opinion-output { min-height: 210px; padding: 15px; resize: vertical; font-size: 13px; line-height: 1.9; }
.field-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.field-grid label { display: grid; gap: 6px; color: var(--muted); font-size: 11px; font-weight: 700; }
.field-grid input, .field-grid select, .field-grid textarea, .search-input { min-height: 38px; padding: 8px 10px; font-size: 12px; }
.span-2 { grid-column: span 2; }
.checkbox-label { display: flex !important; align-items: center; gap: 8px !important; padding-top: 22px; }
.checkbox-label input { width: 16px; min-height: 16px; }

.warning-box { margin-top: 14px; padding: 13px 14px; border: 1px solid #ecd5af; border-radius: 8px; color: var(--warning); background: var(--warning-soft); font-size: 11px; }
.warning-box ul { margin: 8px 0 0; padding-left: 18px; line-height: 1.7; }
.rule-trace { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 13px; }
.trace-item { padding: 6px 8px; border-radius: 5px; color: var(--muted); background: var(--panel-soft); font-size: 10px; }
.trace-item.active { color: var(--accent); background: var(--accent-soft); }

.issuer-list-panel { min-height: 610px; }
.issuer-list { display: grid; gap: 7px; margin-top: 12px; }
.issuer-item { display: grid; gap: 4px; width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 7px; color: var(--text); background: #fff; text-align: left; }
.issuer-item:hover, .issuer-item.active { border-color: var(--accent); background: var(--accent-soft); }
.issuer-item span { color: var(--muted); font-size: 10px; }
.empty { padding: 34px 10px; color: var(--muted); text-align: center; font-size: 12px; }
.form-actions { justify-content: flex-end; margin-top: 24px; }
.history-import-panel { margin-bottom: 16px; padding: 18px; scroll-margin-top: 16px; border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }
.history-stats { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.history-stat { padding: 13px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-soft); }
.history-stat strong, .history-stat span { display: block; }
.history-stat strong { margin-bottom: 4px; font-size: 19px; }
.history-stat span { color: var(--muted); font-size: 10px; }
.history-status { grid-column: 1 / -1; padding: 16px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-soft); color: var(--accent); font-size: 12px; }
.history-status.error { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 35%, var(--line)); }
.file-button.busy { opacity: .72; cursor: wait; }
.file-button.unavailable { opacity: .58; cursor: not-allowed; }
.history-review { margin-top: 18px; }
.history-review h3 { margin: 0 0 9px; }
.review-item { padding: 10px 11px; border-top: 1px solid var(--line); font-size: 11px; line-height: 1.65; }
.review-item strong { margin-right: 8px; }
.review-item span { color: var(--warning); }
.history-note { margin: 15px 0 0; color: var(--muted); font-size: 10px; line-height: 1.7; }

.rules-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 13px; }
.rule-card { min-height: 180px; padding: 18px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel); box-shadow: var(--shadow); }
.rule-card span { color: var(--accent); font-size: 9px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.rule-card h2 { margin: 17px 0 8px; font-size: 14px; }
.rule-card p, .word-note p { margin-bottom: 0; color: var(--muted); font-size: 11px; line-height: 1.75; }
.word-note { margin-top: 14px; padding: 18px; }
.word-note h2 { margin-bottom: 8px; }
.toast { position: fixed; right: 22px; bottom: 22px; max-width: 360px; padding: 11px 14px; border-radius: 7px; color: #fff; background: #21342b; box-shadow: var(--shadow); font-size: 12px; }

@media (max-width: 1120px) {
  .generator-grid, .database-grid { grid-template-columns: 1fr; }
  .rules-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 760px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; padding: 14px; }
  .nav { grid-template-columns: repeat(3, 1fr); margin-top: 16px; }
  .nav-item { text-align: center; }
  .sidebar-card { display: none; }
  .topbar { align-items: flex-start; padding: 17px; }
  .top-actions { flex-wrap: wrap; justify-content: flex-end; }
  .view { padding: 14px; }
  .field-grid, .rules-grid { grid-template-columns: 1fr; }
  .history-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .span-2 { grid-column: span 1; }
  .result-actions { align-items: flex-end; flex-direction: column; }
}