:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --line: #e5e7eb;
  --text: #111827;
  --muted: #6b7280;
  --primary: #7c3aed;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Helvetica Neue', sans-serif;
}
.shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
}
.sidebar {
  background: #0f172a;
  color: #fff;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 52px; height: 52px; border-radius: 16px;
  background: linear-gradient(135deg, #8b5cf6, #6366f1);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; font-weight: 700;
}
.brand-title { font-size: 20px; font-weight: 700; }
.brand-sub { font-size: 13px; color: #94a3b8; }
.nav { display: flex; flex-direction: column; gap: 8px; }
.nav-item {
  width: 100%; padding: 12px 14px; border-radius: 12px; border: 1px solid transparent;
  background: transparent; color: #e2e8f0; text-align: left; cursor: pointer; font-size: 15px;
}
.nav-item.active, .nav-item:hover { background: rgba(124, 58, 237, 0.16); border-color: rgba(124, 58, 237, 0.35); }
.token-box {
  margin-top: auto; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
  border-radius: 16px; padding: 16px;
}
.field-label { display: block; font-size: 12px; color: #94a3b8; margin-bottom: 8px; }
.token-input, .text-input, select {
  width: 100%; border-radius: 12px; border: 1px solid var(--line); padding: 10px 12px; font-size: 14px;
  background: #fff; color: var(--text);
}
.token-input { min-height: 96px; resize: vertical; }
.token-actions { display: flex; gap: 8px; margin-top: 10px; }
.primary-btn, .ghost-btn, .danger-btn, .success-btn, .warn-btn {
  border-radius: 12px; border: none; padding: 10px 14px; font-size: 14px; cursor: pointer;
}
.primary-btn { background: var(--primary); color: #fff; }
.ghost-btn { background: #eef2ff; color: #4338ca; }
.danger-btn { background: #fee2e2; color: var(--danger); }
.success-btn { background: #dcfce7; color: var(--success); }
.warn-btn { background: #fef3c7; color: var(--warning); }
.hint-text, .muted { font-size: 13px; color: var(--muted); }
.content { padding: 28px; }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; margin-bottom: 18px; }
.topbar h1 { margin: 0 0 6px; font-size: 28px; }
.flash {
  margin-bottom: 16px; border-radius: 14px; padding: 12px 14px; background: #eff6ff; color: #1d4ed8;
  border: 1px solid #bfdbfe;
}
.flash.error { background: #fef2f2; color: #b91c1c; border-color: #fecaca; }
.hidden { display: none !important; }
.grid { display: grid; gap: 16px; }
.cards-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.cards-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 16px; }
.stat-card, .panel {
  background: var(--panel); border-radius: 18px; border: 1px solid var(--line); padding: 18px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.04);
}
.stat-label { font-size: 13px; color: var(--muted); }
.stat-value { margin-top: 10px; font-size: 30px; font-weight: 700; }
.panel h3 { margin: 0 0 12px; font-size: 18px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.panel-toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.toolbar-group { display: flex; align-items: center; gap: 10px; }
.list-wrap { display: flex; flex-direction: column; gap: 12px; }
.list-card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 16px;
}
.list-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.list-title { font-weight: 700; }
.badge { display: inline-flex; align-items: center; padding: 4px 10px; border-radius: 999px; font-size: 12px; }
.badge.pending_review { background: #fef3c7; color: #92400e; }
.badge.approved, .badge.processing { background: #dbeafe; color: #1d4ed8; }
.badge.paid, .badge.refunded { background: #dcfce7; color: #166534; }
.badge.rejected, .badge.failed { background: #fee2e2; color: #b91c1c; }
.meta-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin-top: 12px; }
.meta-item { background: #f8fafc; border-radius: 12px; padding: 10px 12px; }
.meta-label { font-size: 12px; color: var(--muted); }
.meta-value { margin-top: 6px; font-size: 14px; word-break: break-all; }
.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.json-box {
  min-height: 180px; margin: 0; white-space: pre-wrap; word-break: break-word; background: #0f172a; color: #e2e8f0;
  border-radius: 14px; padding: 14px; overflow: auto;
}
.json-box.large { min-height: 420px; }
.create-panel { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1.2fr 1fr auto; gap: 10px; }
.small-input { width: 100px; }
code { background: #eef2ff; padding: 2px 6px; border-radius: 6px; }
@media (max-width: 1200px) {
  .cards-4, .cards-2 { grid-template-columns: 1fr 1fr; }
  .meta-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 900px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { gap: 16px; }
  .content { padding: 18px; }
  .cards-4, .cards-2, .form-row, .meta-grid { grid-template-columns: 1fr; }
}