/* ============================================================================
   Doc-Parser Admin — design system
   Professional, RTL Arabic, light + dark aware. One system, used by every screen.
   ========================================================================== */

:root {
  --brand: #2563eb;
  --brand-600: #1d4ed8;
  --brand-050: #eff6ff;

  --ok: #16a34a;
  --ok-050: #f0fdf4;
  --warn: #d97706;
  --warn-050: #fffbeb;
  --danger: #dc2626;
  --danger-050: #fef2f2;
  --info: #0891b2;
  --info-050: #ecfeff;

  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #f9fafb;
  --border: #e5e7eb;
  --border-strong: #d1d5db;

  --text: #0f172a;
  --text-2: #475569;
  --text-3: #94a3b8;

  --sidebar-bg: #0f172a;
  --sidebar-text: #cbd5e1;
  --sidebar-text-strong: #f1f5f9;
  --sidebar-active: #1e293b;

  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.06);
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.16);

  --sidebar-w: 264px;
  --topbar-h: 64px;
  --font: "Segoe UI", Tahoma, "Noto Sans Arabic", system-ui, sans-serif;
  --mono: "SF Mono", "Cascadia Code", Consolas, "Courier New", monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --surface: #111827;
    --surface-2: #0f172a;
    --border: #1f2937;
    --border-strong: #334155;
    --text: #f1f5f9;
    --text-2: #cbd5e1;
    --text-3: #64748b;
    --brand-050: #172554;
    --ok-050: #052e16;
    --warn-050: #451a03;
    --danger-050: #450a0a;
    --info-050: #083344;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.6);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
.hidden { display: none !important; }
.muted { color: var(--text-2); }
.mono { font-family: var(--mono); direction: ltr; unicode-bidi: embed; font-size: 0.9em; }
.stack > * + * { margin-top: 12px; }
.cluster { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.row { display: flex; gap: 12px; align-items: center; }
.grow { flex: 1; }
.right { margin-inline-start: auto; }

/* ---------------------------------------------------------------- layout */

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

.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset-block: 0;
  inset-inline-start: 0;
  z-index: 40;
  transition: transform 0.2s ease;
}
.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 22px;
  color: var(--sidebar-text-strong);
  font-weight: 700; font-size: 1.1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.sidebar-brand .logo {
  width: 38px; height: 38px; border-radius: 10px;
  background: linear-gradient(135deg, var(--brand), #7c3aed);
  display: grid; place-items: center; font-size: 20px;
}
.sidebar-brand small { display: block; font-weight: 400; font-size: 0.72rem; color: var(--text-3); }
.nav { flex: 1; overflow-y: auto; padding: 12px; }
.nav-group-label {
  font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--text-3); padding: 14px 12px 6px;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; margin: 2px 0;
  border-radius: var(--radius-sm);
  color: var(--sidebar-text);
  cursor: pointer; font-weight: 500;
  transition: background 0.12s, color 0.12s;
  border: none; background: none; width: 100%; text-align: start;
  font-family: inherit; font-size: 0.95rem;
}
.nav-item .ico { font-size: 1.15rem; width: 22px; text-align: center; }
.nav-item:hover { background: rgba(255, 255, 255, 0.05); color: var(--sidebar-text-strong); }
.nav-item.active { background: var(--sidebar-active); color: #fff; }
.nav-item.active::before {
  content: ""; position: absolute; inset-inline-start: 0; width: 3px; height: 22px;
  background: var(--brand); border-radius: 3px;
}
.nav-item { position: relative; }

.main-wrap {
  flex: 1;
  margin-inline-start: var(--sidebar-w);
  display: flex; flex-direction: column;
  min-width: 0;
}

.topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px;
  position: sticky; top: 0; z-index: 30;
}
.topbar .hamburger { display: none; }
.topbar-title { font-weight: 600; font-size: 1.05rem; }
.user-chip {
  display: flex; align-items: center; gap: 10px;
  margin-inline-start: auto;
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid var(--border); background: var(--surface-2);
  cursor: pointer;
}
.user-chip .avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--brand); color: #fff;
  display: grid; place-items: center; font-weight: 700; font-size: 0.85rem;
}
.user-chip small { color: var(--text-2); font-size: 0.78rem; }

main#view { padding: 28px 32px 64px; max-width: 1280px; width: 100%; }

/* ---------------------------------------------------------------- page header */

.page-head { margin-bottom: 22px; display: flex; align-items: flex-start; gap: 16px; }
.page-head h1 { margin: 0; font-size: 1.5rem; font-weight: 700; letter-spacing: -0.01em; }
.page-head p { margin: 4px 0 0; color: var(--text-2); font-size: 0.95rem; }
.page-head .actions { margin-inline-start: auto; display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------------------------------------------------------------- cards */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.card-head {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  font-weight: 600; display: flex; align-items: center; gap: 10px;
}
.card-body { padding: 20px; }

.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

/* ---------------------------------------------------------------- stat tiles */

.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow-sm);
  border-inline-start: 4px solid var(--border-strong);
}
.stat-value { font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.stat-label { color: var(--text-2); font-size: 0.85rem; margin-top: 4px; }
.stat.tone-ok { border-inline-start-color: var(--ok); }
.stat.tone-ok .stat-value { color: var(--ok); }
.stat.tone-warn { border-inline-start-color: var(--warn); }
.stat.tone-warn .stat-value { color: var(--warn); }
.stat.tone-danger { border-inline-start-color: var(--danger); }
.stat.tone-danger .stat-value { color: var(--danger); }
.stat.tone-info { border-inline-start-color: var(--info); }
.stat.tone-info .stat-value { color: var(--info); }
.stat.tone-muted { border-inline-start-color: var(--text-3); }
.stat.tone-muted .stat-value { color: var(--text-2); }

/* ---------------------------------------------------------------- buttons */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-sm);
  font-family: inherit; font-size: 0.92rem; font-weight: 600;
  border: 1px solid transparent; cursor: pointer;
  transition: background 0.12s, box-shadow 0.12s, transform 0.05s;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-sm { padding: 6px 11px; font-size: 0.85rem; }
.btn-primary { background: var(--brand); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--brand-600); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover:not(:disabled) { filter: brightness(0.94); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--border-strong); }
.btn-ghost:hover:not(:disabled) { background: var(--surface-2); }
.btn-subtle { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }
.btn-subtle:hover:not(:disabled) { background: var(--border); }

/* ---------------------------------------------------------------- badges */

.badge {
  display: inline-flex; align-items: center; gap: 5px;
  padding: 3px 10px; border-radius: 999px;
  font-size: 0.78rem; font-weight: 600; line-height: 1.5;
  border: 1px solid transparent;
}
.badge-ok { background: var(--ok-050); color: var(--ok); border-color: color-mix(in srgb, var(--ok) 25%, transparent); }
.badge-warn { background: var(--warn-050); color: var(--warn); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.badge-danger { background: var(--danger-050); color: var(--danger); border-color: color-mix(in srgb, var(--danger) 25%, transparent); }
.badge-info { background: var(--info-050); color: var(--info); border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.badge-muted { background: var(--surface-2); color: var(--text-2); border-color: var(--border); }
.badge-neutral { background: var(--brand-050); color: var(--brand-600); border-color: color-mix(in srgb, var(--brand) 25%, transparent); }

/* ---------------------------------------------------------------- tables */

.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
.table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.table thead th {
  text-align: start; padding: 12px 16px; font-weight: 600; color: var(--text-2);
  background: var(--surface-2); border-bottom: 1px solid var(--border);
  white-space: nowrap; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.03em;
}
.table tbody td { padding: 12px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover { background: var(--surface-2); }

/* ---------------------------------------------------------------- forms */

.field { margin-bottom: 16px; }
.field-label { display: block; font-weight: 600; font-size: 0.88rem; margin-bottom: 6px; }
.field-label .req { color: var(--danger); }
.control {
  width: 100%; padding: 10px 12px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--surface);
  color: var(--text); font-family: inherit; font-size: 0.95rem;
  transition: border-color 0.12s, box-shadow 0.12s;
}
.control:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px var(--brand-050); }
textarea.control { min-height: 90px; resize: vertical; }
.hint { color: var(--text-3); font-size: 0.82rem; margin-top: 5px; }
.field-error { color: var(--danger); font-size: 0.82rem; margin-top: 5px; }

/* ---------------------------------------------------------------- empty / spinner */

.empty { text-align: center; padding: 48px 24px; color: var(--text-2); }
.empty .big { font-size: 2.4rem; margin-bottom: 8px; }

.spinner { display: inline-flex; align-items: center; gap: 10px; color: var(--text-2); }
.spinner .dot { width: 16px; height: 16px; border: 2.5px solid var(--border-strong); border-top-color: var(--brand); border-radius: 50%; animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading-page { display: grid; place-items: center; padding: 80px 0; }

/* ---------------------------------------------------------------- modal */

.modal-overlay {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.55);
  display: grid; place-items: center; z-index: 100; padding: 20px;
  animation: fade 0.15s ease;
}
@keyframes fade { from { opacity: 0; } }
.modal {
  background: var(--surface); border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg); width: 100%; max-width: 640px;
  max-height: 90vh; display: flex; flex-direction: column; overflow: hidden;
}
.modal-head { padding: 18px 22px; border-bottom: 1px solid var(--border); font-weight: 700; font-size: 1.1rem; display: flex; align-items: center; }
.modal-head .x { margin-inline-start: auto; cursor: pointer; color: var(--text-3); font-size: 1.4rem; background: none; border: none; }
.modal-body { padding: 22px; overflow-y: auto; }
.modal-actions { padding: 16px 22px; border-top: 1px solid var(--border); display: flex; gap: 10px; justify-content: flex-start; background: var(--surface-2); }

/* ---------------------------------------------------------------- toast */

.toast-stack { position: fixed; inset-block-start: 20px; inset-inline-end: 20px; z-index: 200; display: flex; flex-direction: column; gap: 10px; }
.toast {
  background: var(--surface); border: 1px solid var(--border); border-inline-start: 4px solid var(--brand);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  padding: 12px 16px; min-width: 260px; max-width: 420px;
  animation: slidein 0.2s ease; font-size: 0.9rem;
}
@keyframes slidein { from { transform: translateX(-16px); opacity: 0; } }
.toast.tone-ok { border-inline-start-color: var(--ok); }
.toast.tone-warn { border-inline-start-color: var(--warn); }
.toast.tone-danger { border-inline-start-color: var(--danger); }
.toast.tone-info { border-inline-start-color: var(--info); }

/* ---------------------------------------------------------------- login */

.auth-screen { min-height: 100vh; display: grid; place-items: center; padding: 20px; background: radial-gradient(1200px 600px at 50% -10%, var(--brand-050), var(--bg)); }
.auth-card { width: 100%; max-width: 420px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); padding: 32px; }
.auth-card .brand { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; }
.auth-card .brand .logo { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, var(--brand), #7c3aed); display: grid; place-items: center; font-size: 22px; }
.auth-card h1 { font-size: 1.3rem; margin: 0; }
.auth-tabs { display: flex; gap: 6px; background: var(--surface-2); border-radius: var(--radius-sm); padding: 4px; margin-bottom: 20px; }
.auth-tab { flex: 1; padding: 8px; text-align: center; border-radius: 6px; cursor: pointer; font-weight: 600; font-size: 0.88rem; color: var(--text-2); border: none; background: none; font-family: inherit; }
.auth-tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow-sm); }
.legacy-note { background: var(--warn-050); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); color: var(--warn); border-radius: var(--radius-sm); padding: 10px 12px; font-size: 0.82rem; margin-bottom: 14px; }

/* ---------------------------------------------------------------- diff / code chips */

.chip-list { display: flex; flex-wrap: wrap; gap: 6px; }
.diff-table td { font-size: 0.88rem; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; align-items: baseline; }
.kv dt { color: var(--text-2); font-size: 0.85rem; }
.kv dd { margin: 0; }

/* ---------------------------------------------------------------- responsive */

@media (max-width: 900px) {
  .sidebar { transform: translateX(100%); }
  :root { --sidebar-w: 0px; }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main-wrap { margin-inline-start: 0; }
  .topbar .hamburger { display: inline-flex; }
  main#view { padding: 20px 16px 48px; }
  .sidebar { width: 264px; }
}