:root {
  --ink: #14231f;
  --forest: #0f3d3a;
  --forest-dark: #0a2b28;
  --forest-light: #e7efec;
  --brass: #b08d3e;
  --brass-light: #f4ecd8;
  --paper: #faf8f3;
  --card: #ffffff;
  --line: #dfe3e0;
  --muted: #6b7570;
  --danger: #a3352b;
  --danger-bg: #fbeae8;
  --warn: #9a6b16;
  --warn-bg: #fdf2df;
  --ok: #1f6d4c;
  --ok-bg: #e7f4ec;
  --info-bg: #eaf1f4;
  --radius: 8px;
  --font-ui: 'Inter', 'Noto Sans Arabic', 'Noto Naskh Arabic', 'Rabar', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font-ui);
  background: var(--paper);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}
[dir="rtl"] body { font-family: 'Noto Naskh Arabic', 'Rabar', var(--font-ui); }

a { color: var(--forest); text-decoration: none; }
a:hover { text-decoration: underline; }

.app-shell { display: flex; min-height: 100vh; }

/* ---- Sidebar ---- */
.sidebar {
  width: 240px;
  flex-shrink: 0;
  background: var(--forest-dark);
  color: #eef4f1;
  display: flex;
  flex-direction: column;
}
.sidebar .brand {
  padding: 20px 18px;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .02em;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: #fff;
}
.sidebar .brand small { display: block; font-weight: 400; font-size: 11px; color: var(--brass-light); opacity: .8; }
.sidebar nav { flex: 1; padding: 10px 0; overflow-y: auto; }
.sidebar .nav-section { padding: 14px 18px 6px; font-size: 10.5px; text-transform: uppercase; letter-spacing: .08em; color: #9db4ac; }
.sidebar a.nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 18px; color: #d9e6e1; font-size: 13.5px;
  border-inline-start: 3px solid transparent;
}
.sidebar a.nav-link:hover { background: rgba(255,255,255,.06); text-decoration: none; }
.sidebar a.nav-link.active { background: rgba(255,255,255,.09); border-inline-start-color: var(--brass); color: #fff; font-weight: 600; }
.sidebar .user-box { padding: 14px 18px; border-top: 1px solid rgba(255,255,255,.08); font-size: 12.5px; }
.sidebar .user-box .name { color: #fff; font-weight: 600; }
.sidebar .lang-switch { display: flex; gap: 6px; margin-top: 8px; }
.sidebar .lang-switch a { font-size: 11px; padding: 2px 7px; border: 1px solid rgba(255,255,255,.25); border-radius: 4px; color: #cfe0da; }
.sidebar .lang-switch a.active { background: var(--brass); color: #2a2205; border-color: var(--brass); }

/* ---- Main ---- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 56px; background: var(--card); border-bottom: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-between; padding: 0 20px;
}
.topbar h1 { font-size: 16px; margin: 0; font-weight: 700; }
.content { padding: 22px; flex: 1; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }
.card h2 { font-size: 14px; margin: 0 0 14px; text-transform: uppercase; letter-spacing: .04em; color: var(--forest); }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: 1fr 1fr; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; } .sidebar { display: none; } }

/* ---- Stat tiles ---- */
.stat-tile { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat-tile .num { font-size: 26px; font-weight: 700; color: var(--forest); font-family: var(--font-mono); }
.stat-tile .label { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ---- Forms ---- */
label { display: block; font-size: 12.5px; font-weight: 600; margin-bottom: 4px; color: #34433d; }
.field { margin-bottom: 14px; }
input[type=text], input[type=password], input[type=date], input[type=number],
input[type=email], input[type=time], select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid var(--line); border-radius: 6px;
  font-size: 13.5px; font-family: var(--font-ui); background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--brass); outline-offset: 0; border-color: var(--brass); }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.help { font-size: 11.5px; color: var(--muted); margin-top: 3px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px; border: 1px solid transparent;
  padding: 8px 14px; border-radius: 6px; font-size: 13px; font-weight: 600; cursor: pointer;
  font-family: var(--font-ui);
}
.btn-primary { background: var(--forest); color: #fff; }
.btn-primary:hover { background: var(--forest-dark); text-decoration: none; }
.btn-gold { background: var(--brass); color: #2a2205; }
.btn-gold:hover { background: #9c7a33; text-decoration: none; }
.btn-outline { background: #fff; border-color: var(--line); color: var(--ink); }
.btn-outline:hover { border-color: var(--forest); text-decoration: none; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---- Table ---- */
table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: start; font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); padding: 8px 10px; border-bottom: 2px solid var(--line); }
table.data td { padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: middle; }
table.data tr:hover td { background: var(--forest-light); }
.mono { font-family: var(--font-mono); }

/* ---- Badges ---- */
.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 700; letter-spacing: .02em; }
.badge-ok { background: var(--ok-bg); color: var(--ok); }
.badge-warn { background: var(--warn-bg); color: var(--warn); }
.badge-danger { background: var(--danger-bg); color: var(--danger); }
.badge-info { background: var(--info-bg); color: var(--forest); }
.badge-muted { background: #eef0ee; color: var(--muted); }

/* ---- Alerts / flash ---- */
.alert { padding: 11px 14px; border-radius: 6px; margin-bottom: 14px; font-size: 13.5px; border: 1px solid transparent; }
.alert-error { background: var(--danger-bg); color: var(--danger); border-color: #f2c6c1; }
.alert-success { background: var(--ok-bg); color: var(--ok); border-color: #c3e4d1; }
.alert-warn { background: var(--warn-bg); color: var(--warn); border-color: #f0dcab; }

/* ---- Login ---- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(160deg, var(--forest-dark), var(--forest)); }
.login-card { width: 360px; background: #fff; border-radius: 10px; padding: 34px 30px; box-shadow: 0 20px 50px rgba(0,0,0,.25); }
.login-card h1 { font-size: 18px; margin: 0 0 4px; color: var(--forest-dark); }
.login-card .sub { font-size: 12.5px; color: var(--muted); margin-bottom: 22px; }

/* ---- Report print ---- */
.report-sheet { background: #fff; max-width: 760px; margin: 0 auto; padding: 30px 34px; border: 1px solid var(--line); }
.report-sheet .rpt-head { display: flex; justify-content: space-between; align-items: flex-start; border-bottom: 3px solid var(--forest); padding-bottom: 12px; margin-bottom: 16px; }
.report-sheet .rpt-head h1 { font-size: 18px; margin: 0; color: var(--forest-dark); }
.report-sheet table.rpt { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.report-sheet table.rpt th { text-align: start; border-bottom: 1px solid var(--ink); padding: 5px 6px; font-size: 10.5px; text-transform: uppercase; }
.report-sheet table.rpt td { padding: 5px 6px; border-bottom: 1px solid var(--line); }
.report-sheet .row-critical td { background: var(--danger-bg); font-weight: 700; }
.report-sheet .row-abnormal td { background: var(--warn-bg); }
@media print {
  .sidebar, .topbar, .no-print { display: none !important; }
  .content { padding: 0; }
  body { background: #fff; }
  .report-sheet { border: none; }
}

.flex-between { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.text-muted { color: var(--muted); }
.mt-0 { margin-top: 0; }
.small { font-size: 12px; }
.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }