:root {
  --ink: #1a2332;
  --ink-soft: #3d4f66;
  --paper: #f6f1e6;
  --paper-2: #fffdf8;
  --line: #d9cfc0;
  --navy: #16324f;
  --navy-2: #0e2238;
  --gold: #b8893a;
  --gold-2: #d4a85a;
  --forest: #1b5c48;
  --tva: #9b2c2c;
  --ht: #1b5c48;
  --ttc: #16324f;
  --shadow: 0 10px 30px rgba(22, 50, 79, 0.12);
  --radius: 10px;
  --font: "IBM Plex Sans", "Noto Naskh Arabic", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", "Courier New", monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  min-height: 100%;
  background:
    radial-gradient(1200px 500px at 100% -10%, rgba(184, 137, 58, 0.12), transparent 50%),
    linear-gradient(180deg, #0e2238 0%, #16324f 28%, #f6f1e6 28%);
  color: var(--ink);
  font-family: var(--font);
}

body[dir="rtl"] { text-align: right; }
body[dir="ltr"] { text-align: left; }

.app {
  max-width: 1280px;
  margin: 0 auto;
  padding: 20px 20px 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: #f6f1e6;
  padding: 8px 4px 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.stamp {
  width: 52px;
  height: 52px;
  border: 2px solid var(--gold-2);
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gold-2);
  transform: rotate(-8deg);
}

.brand h1 {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.brand p {
  opacity: 0.75;
  font-size: 13px;
  margin-top: 2px;
}

.top-actions {
  display: flex;
  gap: 8px;
  align-items: center;
}

.lang {
  display: flex;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(212, 168, 90, 0.35);
  border-radius: 999px;
  overflow: hidden;
}

.lang button {
  background: transparent;
  color: #f6f1e6;
  border: 0;
  padding: 8px 14px;
  cursor: pointer;
  font: inherit;
  font-size: 13px;
}

.lang button.active {
  background: var(--gold);
  color: #fff;
}

.shell {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow);
  display: grid;
  grid-template-columns: 230px 1fr;
  min-height: 720px;
  overflow: hidden;
}

nav {
  background: linear-gradient(180deg, #10263d, #16324f);
  color: #f6f1e6;
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.nav-label {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.55;
  padding: 4px 12px 10px;
}

nav button {
  appearance: none;
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: inherit;
  padding: 12px 14px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

nav button small {
  opacity: 0.55;
  font-size: 11px;
}

nav button.active,
nav button:hover {
  background: rgba(212, 168, 90, 0.16);
}

nav button.active {
  outline: 1px solid rgba(212, 168, 90, 0.45);
}

main { padding: 28px; }

.page { display: none; }
.page.active { display: block; }

.page-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 22px;
  border-bottom: 2px solid var(--navy);
  padding-bottom: 14px;
}

.page-head h2 { font-size: 24px; color: var(--navy); }
.page-head p { color: var(--ink-soft); font-size: 13px; margin-top: 4px; }
.head-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

.kpis {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 22px;
}

.kpi {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
}

.kpi span {
  display: block;
  font-size: 12px;
  color: var(--ink-soft);
  margin-bottom: 8px;
}

.kpi strong {
  font-size: 22px;
  font-variant-numeric: tabular-nums;
}

.kpi.tva strong { color: var(--tva); }
.kpi.ht strong { color: var(--ht); }
.kpi.ttc strong { color: var(--ttc); }

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 160px;
  flex: 1;
}

.field label {
  font-size: 12px;
  color: var(--ink-soft);
}

input, select, textarea {
  font: inherit;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

textarea { min-height: 72px; resize: vertical; }

.btn {
  border: 0;
  border-radius: 8px;
  padding: 10px 16px;
  font: inherit;
  cursor: pointer;
  background: var(--navy);
  color: #fff;
  white-space: nowrap;
}

.btn.gold { background: var(--gold); color: #1a1408; }
.btn.ghost { background: transparent; color: var(--navy); border: 1px solid var(--line); }
.btn.danger { background: var(--tva); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  margin-bottom: 16px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

th, td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  background: #efe6d6;
  color: var(--navy);
  font-weight: 600;
  font-size: 12px;
}

tr:nth-child(even) td { background: #fbf7ef; }

.num {
  font-variant-numeric: tabular-nums;
  font-family: var(--mono);
  font-size: 12px;
}

.badge {
  display: inline-block;
  background: #efe6d6;
  color: var(--navy);
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 11px;
}

.calc-box {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 16px;
}

.result {
  background: var(--navy-2);
  color: #f6f1e6;
  border-radius: 12px;
  padding: 22px;
}

.result h3 {
  color: var(--gold-2);
  margin-bottom: 16px;
  font-size: 16px;
}

.result .row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(246, 241, 230, 0.2);
  font-variant-numeric: tabular-nums;
}

.result .row.total {
  font-size: 20px;
  border-bottom: 0;
  margin-top: 8px;
  color: var(--gold-2);
}

.empty {
  text-align: center;
  color: var(--ink-soft);
  padding: 28px 8px;
}

.preview {
  background: #fff;
  border: 1px dashed var(--gold);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 13px;
}

.preview b { color: var(--tva); }

.actions { display: flex; gap: 6px; }

.modal-bg {
  position: fixed;
  inset: 0;
  background: rgba(14, 34, 56, 0.55);
  display: none;
  place-items: center;
  z-index: 20;
  padding: 20px;
}

.modal-bg.show { display: grid; }

.modal {
  width: min(720px, 100%);
  background: var(--paper-2);
  border-radius: 14px;
  padding: 22px;
  box-shadow: var(--shadow);
  max-height: 90vh;
  overflow: auto;
}

.modal-wide { width: min(980px, 100%); }

.map-card { margin: 14px 0; }
.map-card h3 { margin-bottom: 12px; color: var(--navy); font-size: 15px; }

.import-stats {
  font-size: 13px;
  color: var(--ink-soft);
  margin: 0 0 10px;
}

.st-ok { color: var(--ht); }
.st-warn { color: var(--gold); }
.st-bad { color: var(--tva); }

.row-skip td { opacity: 0.45; }
.row-upd td { background: #fff4d6 !important; }
.row-new td { background: #e8f4ee !important; }

.toast {
  position: fixed;
  bottom: 18px;
  inset-inline-start: 50%;
  transform: translateX(-50%);
  background: var(--navy);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  display: none;
  z-index: 30;
  font-size: 13px;
}

.toast.show { display: block; }

@media (max-width: 980px) {
  .shell { grid-template-columns: 1fr; }
  nav { flex-direction: row; overflow-x: auto; }
  .kpis, .grid-2, .grid-3, .calc-box { grid-template-columns: 1fr; }
}

@media print {
  body { background: #fff; }
  .topbar, nav, .toolbar, .btn, .lang { display: none !important; }
  .shell { display: block; border: 0; box-shadow: none; }
  main { padding: 0; }
  .page { display: none !important; }
  .page.active { display: block !important; }
}