:root {
  --bg: #0f172a;
  --panel: #111827;
  --panel-2: #1f2937;
  --line: #334155;
  --text: #e5e7eb;
  --muted: #94a3b8;
  --accent: #2563eb;
  --accent-2: #3b82f6;
  --good: #10b981;
  --warn: #f59e0b;
  --bad: #ef4444;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0,0,0,.28);
  font-family: Inter, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; color: var(--text); background: linear-gradient(180deg,#0b1220,#101827); }
button, input, select, textarea { font: inherit; }
button {
  background: linear-gradient(180deg,var(--accent-2),var(--accent));
  border: 0; color: white; padding: 10px 14px; border-radius: 10px; cursor: pointer;
}
button.secondary { background: #1e293b; border: 1px solid var(--line); }
button.linkish { background: transparent; border: 1px dashed var(--line); color: var(--text); }
input, select, textarea {
  width: 100%; background: #0b1220; color: var(--text); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; outline: none;
}
textarea { min-height: 88px; resize: vertical; }
.app-shell { display: grid; grid-template-columns: 300px 1fr; min-height: 100vh; }
.sidebar { background: rgba(15,23,42,.95); border-right: 1px solid var(--line); padding: 18px; position: sticky; top: 0; height: 100vh; overflow: auto; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 20px; }
.brand-mark { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(180deg,#60a5fa,#2563eb); font-weight: 800; }
.brand-title { font-size: 18px; font-weight: 700; }
.brand-subtitle { color: var(--muted); font-size: 12px; }
.sidebar-section { background: rgba(17,24,39,.75); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 14px; }
.section-title { color: #cbd5e1; text-transform: uppercase; font-size: 12px; letter-spacing: .06em; margin-bottom: 10px; }
.kv { display: flex; justify-content: space-between; gap: 10px; color: var(--muted); font-size: 13px; margin: 6px 0; }
.kv strong { color: var(--text); }
.nav-menu { display: flex; flex-direction: column; gap: 8px; }
.nav-menu button { text-align: left; background: #0b1220; border: 1px solid var(--line); }
.nav-menu button.active { background: linear-gradient(180deg,#1d4ed8,#1e40af); }
.main-panel { padding: 18px; }
.topbar { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 18px; }
.transaction-box { display: flex; gap: 8px; align-items: center; background: rgba(17,24,39,.75); border: 1px solid var(--line); border-radius: 12px; padding: 10px; }
.transaction-box span { color: var(--muted); font-size: 13px; }
.transaction-box input { width: 260px; }
.topbar-right { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.view { display: none; }
.view.active { display: block; }
.auth-wrap { display: grid; grid-template-columns: repeat(2, minmax(320px, 1fr)); gap: 20px; max-width: 1160px; margin: 40px auto; }
.auth-card { background: rgba(17,24,39,.95); border: 1px solid var(--line); border-radius: 22px; padding: 28px; box-shadow: var(--shadow); }
.auth-card.accent { background: linear-gradient(180deg,rgba(30,64,175,.35),rgba(17,24,39,.95)); }
.form-grid { display: grid; grid-template-columns: repeat(3, minmax(180px, 1fr)); gap: 12px; }
.form-grid.compact { grid-template-columns: 1fr; }
.form-grid label { display: block; }
.form-grid label span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
.form-grid .full { grid-column: 1 / -1; }
.card-grid { display: grid; grid-template-columns: repeat(4, minmax(180px, 1fr)); gap: 14px; }
.metric-card, .module-card, .table-card, .chart-card, .editor-card { background: rgba(17,24,39,.82); border: 1px solid var(--line); border-radius: 18px; padding: 16px; box-shadow: var(--shadow); }
.metric-card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.metric-card .value { font-size: 28px; font-weight: 800; margin-top: 8px; }
.metric-card .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }
.row { display: grid; grid-template-columns: 1.2fr .8fr; gap: 14px; margin-top: 14px; }
.row.equal { grid-template-columns: 1fr 1fr; }
.card-header { display: flex; justify-content: space-between; gap: 10px; align-items: center; margin-bottom: 10px; }
.card-header h3 { margin: 0; font-size: 16px; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { border-bottom: 1px solid rgba(148,163,184,.16); padding: 10px 8px; text-align: left; font-size: 13px; white-space: nowrap; }
th { color: #cbd5e1; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.status { padding: 4px 8px; border-radius: 999px; font-size: 12px; border: 1px solid transparent; }
.status.approved, .status.active, .status.paid { background: rgba(16,185,129,.15); color: #6ee7b7; border-color: rgba(16,185,129,.35); }
.status.pending, .status.open, .status.review { background: rgba(245,158,11,.15); color: #fcd34d; border-color: rgba(245,158,11,.35); }
.status.rejected, .status.overdue, .status.blocked { background: rgba(239,68,68,.15); color: #fca5a5; border-color: rgba(239,68,68,.35); }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; }
.search { max-width: 260px; }
.editor-card { margin-top: 14px; }
.hint { color: var(--muted); font-size: 12px; margin-top: 8px; }
.footer-note { color: var(--muted); font-size: 12px; margin-top: 18px; }
.canvas-wrap { height: 260px; }
canvas { width: 100%; height: 100%; background: #0b1220; border-radius: 14px; border: 1px solid rgba(148,163,184,.12); }
.badge { padding: 5px 8px; background: #0b1220; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: 12px; }
@media (max-width: 1200px) {
  .card-grid { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
  .row, .row.equal, .auth-wrap { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .topbar { flex-direction: column; align-items: stretch; }
  .transaction-box input { width: 100%; }
}