:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #dbe3ee;
  --primary: #2563eb;
  --danger: #b91c1c;
  --danger-soft: #fee2e2;
  --success: #15803d;
  --success-soft: #dcfce7;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

.admin-shell {
  width: min(1440px, 96vw);
  margin: 0 auto;
  padding: 22px 0 48px;
}

.admin-top,
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.04);
}

.admin-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  margin-bottom: 14px;
}

.admin-top h1,
.panel-head h2 {
  margin: 0;
  font-size: 20px;
}

.admin-top p,
.panel-head span {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.admin-actions,
.editor-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
}

.manager-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(380px, 0.85fr);
  gap: 14px;
  align-items: start;
}

.panel {
  padding: 16px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  margin-bottom: 12px;
}

.filters,
.field-grid {
  display: grid;
  gap: 10px;
}

.filters {
  grid-template-columns: minmax(120px, 0.6fr) minmax(140px, 0.7fr) minmax(220px, 1.2fr) auto auto;
  align-items: end;
  margin-bottom: 12px;
}

.field-grid {
  grid-template-columns: minmax(140px, 1fr) 90px 110px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px 10px;
  background: #fff;
  color: var(--text);
  font: inherit;
  font-size: 14px;
}

input:focus,
select:focus,
textarea:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: var(--primary);
}

textarea {
  min-height: 220px;
  resize: vertical;
  font-family: "Cascadia Mono", Consolas, monospace;
  line-height: 1.45;
}

.btn {
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 9px 13px;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
}

.btn.primary {
  color: #fff;
  background: var(--primary);
}

.btn.ghost {
  color: var(--text);
  background: #fff;
  border-color: var(--border);
}

.btn.small {
  padding: 6px 10px;
  font-size: 12px;
}

.btn.danger {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #fecaca;
}

.question-table {
  display: grid;
  gap: 6px;
  max-height: 660px;
  overflow: auto;
  padding-right: 4px;
}

.question-row {
  display: grid;
  grid-template-columns: minmax(90px, 0.45fr) minmax(220px, 1.2fr) minmax(180px, 1fr) 80px auto;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 9px;
  background: #fff;
}

.question-row.selected {
  border-color: var(--primary);
  background: #f8fbff;
}

.question-main,
.question-answer,
.question-topic {
  min-width: 0;
}

.question-main strong,
.question-answer,
.question-topic {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.question-main small {
  display: block;
  color: var(--muted);
  font-size: 11px;
}

.question-answer,
.question-topic {
  color: var(--muted);
  font-size: 13px;
}

.row-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

.status-chip {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  background: var(--success-soft);
  color: var(--success);
}

.status-chip.archived {
  background: var(--danger-soft);
  color: var(--danger);
}

.quality-chip {
  display: inline-flex;
  width: fit-content;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
  font-weight: 700;
  background: #e0f2fe;
  color: #0369a1;
}

.quality-chip.warn {
  background: #fff7ed;
  color: #9a3412;
}

.quality-chip.bad {
  background: var(--danger-soft);
  color: var(--danger);
}

.editor-form {
  display: grid;
  gap: 11px;
}

.import-panel {
  grid-column: 1 / -1;
}

.import-form {
  display: grid;
  gap: 10px;
}

.import-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.result-grid {
  display: grid;
  gap: 6px;
}

.result-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  background: #fff;
  font-size: 13px;
}

.result-item.good {
  border-color: #bbf7d0;
  background: #f0fdf4;
  color: var(--success);
}

.result-item.warn {
  border-color: #fed7aa;
  background: #fff7ed;
  color: #9a3412;
}

.result-item.bad {
  border-color: #fecaca;
  background: var(--danger-soft);
  color: var(--danger);
}

.feedback {
  min-height: 18px;
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.feedback.ok { color: var(--success); }
.feedback.err,
.notice { color: var(--danger); }

.notice {
  padding: 14px 16px;
  border: 1px solid #fecaca;
  border-radius: 8px;
  background: var(--danger-soft);
  margin-bottom: 14px;
}

@media (max-width: 980px) {
  .admin-top,
  .manager-grid,
  .filters,
  .field-grid,
  .question-row {
    grid-template-columns: 1fr;
  }
}