:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --muted: #687083;
  --text: #182033;
  --brand: #164e63;
  --brand2: #0f766e;
  --line: #e7eaf0;
  --danger: #b42318;
  --warning: #b45309;
  --success: #027a48;
  --info: #175cd3;
  --shadow: 0 16px 40px rgba(24, 32, 51, .08);
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Tahoma, Arial, sans-serif; background: var(--bg); color: var(--text); }
a { color: inherit; text-decoration: none; }
.app-shell { display: grid; grid-template-columns: 310px 1fr; min-height: 100vh; }
.sidebar { background: #0b2530; color: #eff6ff; padding: 22px 16px; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 22px; padding: 10px; }
.brand-mark, .login-mark { width: 46px; height: 46px; border-radius: 8px; display: grid; place-items: center; background: linear-gradient(135deg, var(--brand), var(--brand2)); color: #fff; font-weight: 800; letter-spacing: 0; }
.brand small { display: block; color: #b8c7d4; margin-top: 4px; font-size: 12px; }
.nav { display: flex; flex-direction: column; gap: 5px; }
.nav a { padding: 11px 12px; border-radius: 8px; color: #dceaf7; font-size: 14px; }
.nav a:hover, .nav a.active { background: rgba(255,255,255,.12); }
.nav-divider { color: #8fb3c5; font-size: 12px; padding: 18px 12px 8px; }
.main { padding: 24px 28px 48px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 22px; }
.topbar h1 { margin: 0 0 4px; font-size: 26px; }
.topbar p { margin: 0; color: var(--muted); }
.user-menu { display: flex; align-items: center; gap: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; padding: 20px; box-shadow: var(--shadow); margin-bottom: 20px; }
.card-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.card-header h2 { margin: 0 0 5px; font-size: 20px; }
.card-header p { margin: 0; color: var(--muted); }
.breadcrumbs { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; margin: -6px 0 16px; }
.breadcrumbs a { color: var(--brand); font-weight: 700; }
.muted { color: var(--muted); }
.cards-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 20px; }
.metric-card span { color: var(--muted); font-size: 13px; }
.metric-card strong { display: block; font-size: 32px; margin: 8px 0; color: var(--brand); }
.metric-card small { color: var(--muted); }
.two-cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.table-wrap { overflow-x: auto; border-radius: 8px; border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; background: #fff; }
th, td { padding: 12px 10px; border-bottom: 1px solid var(--line); vertical-align: top; white-space: nowrap; font-size: 14px; }
th { background: #f1f5f9; color: #334155; font-weight: 700; }
tr:last-child td { border-bottom: 0; }
.actions-col { width: 150px; }
.inline { display: inline; }
.btn { border: 1px solid var(--line); background: #fff; color: var(--text); border-radius: 8px; padding: 10px 14px; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; gap: 6px; font-family: inherit; font-size: 14px; }
.btn.primary { background: linear-gradient(135deg, var(--brand), var(--brand2)); color: #fff; border-color: transparent; }
.btn.ghost { background: transparent; }
.btn.small { padding: 7px 9px; font-size: 12px; }
.btn.danger { background: #fff5f5; color: var(--danger); border-color: #fed7d7; }
.btn.warning { background: #fffbeb; color: var(--warning); border-color: #fedf89; }
.btn.full { width: 100%; }
.badge { display: inline-block; border-radius: 999px; padding: 5px 10px; font-size: 12px; font-weight: 700; background: #eef2ff; color: #3730a3; }
.badge.danger, .alert.danger { background: #fef3f2; color: var(--danger); }
.badge.warning, .alert.warning { background: #fffbeb; color: var(--warning); }
.badge.success, .alert.success { background: #ecfdf3; color: var(--success); }
.badge.info { background: #eff8ff; color: var(--info); }
.status-shortage { background: #fffbeb; color: var(--warning); }
.status-surplus { background: #eff8ff; color: var(--info); }
.status-scarcity, .status-inflation { background: #fef3f2; color: var(--danger); }
.status-balanced { background: #ecfdf3; color: var(--success); }
.status-unknown { background: #f1f5f9; color: #475569; }
.alert { border-radius: 8px; padding: 12px 14px; margin-bottom: 16px; border: 1px solid var(--line); }
.empty { text-align: center; color: var(--muted); padding: 24px; }
.form-card { max-width: 1100px; }
.form { width: 100%; }
.grid-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.form.stacked { display: flex; flex-direction: column; gap: 10px; }
.field label { display: block; margin-bottom: 7px; color: #334155; font-weight: 700; font-size: 13px; }
input, select, textarea { width: 100%; border: 1px solid var(--line); border-radius: 8px; padding: 11px 12px; font-family: inherit; font-size: 14px; background: #fff; color: var(--text); }
.date-hint { display: block; margin-top: 6px; color: var(--muted); font-size: 12px; }
textarea { resize: vertical; }
.check { display: inline-flex !important; align-items: center; gap: 8px; font-weight: 400 !important; }
.check input { width: auto; }
.choice-stack { display: flex; flex-direction: column; gap: 8px; padding: 10px 0; }
.quote { margin: 10px 0 0; padding: 12px 14px; border-right: 4px solid var(--brand2); background: #f8fafc; border-radius: 8px; color: #334155; }
.span-2 { grid-column: span 2; }
.form-actions { display: flex; gap: 10px; padding-top: 8px; }
.login-body { min-height: 100vh; display: grid; place-items: center; background: radial-gradient(circle at top, #d7f3ee, transparent 35%), var(--bg); padding: 22px; }
.login-card { width: min(420px, 100%); background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 28px; box-shadow: var(--shadow); }
.login-card h1 { margin: 14px 0 8px; }
.login-card p, .login-card small { color: var(--muted); }
.error-card { max-width: 680px; }
@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .cards-grid, .two-cols { grid-template-columns: 1fr; }
  .grid-form { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
}