/* ======================================================
   Modern SaaS Admin (RTL) — Design System
   - Tokens + Dark/Light themes
   - Global components (cards, buttons, tables, forms, modals)
   - Utilities
   Loaded after existing CSS to gradually unify UI.
====================================================== */

/* ---------------------------
   1) Theme tokens (mapped)
--------------------------- */

:root {
  /* Spacing scale */
  --space-0: 0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;

  /* Radii */
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 22px;
  --radius-pill: 999px;

  /* Motion */
  --ease-out: cubic-bezier(0.2, 0.8, 0.2, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
  --dur-1: 120ms;
  --dur-2: 180ms;
  --dur-3: 240ms;

  /* Elevation */
  --shadow-1: 0 10px 30px rgba(0, 0, 0, 0.20);
  --shadow-2: 0 18px 48px rgba(0, 0, 0, 0.28);
  --shadow-3: 0 26px 70px rgba(0, 0, 0, 0.36);

  /* Ring */
  --ring: 0 0 0 4px rgba(59, 130, 246, 0.24);

  /* Typography */
  --font-sans: 'Tajawal', -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
}

/* Default theme = dark */
:root:not([data-theme]) {
  color-scheme: dark;
}

:root[data-theme="dark"] {
  color-scheme: dark;

  /* Core surfaces */
  --bg: #0a0f1c;
  --sidebar: #0d1424;
  --card: rgba(17, 24, 39, 0.86);
  --card-alt: rgba(15, 23, 42, 0.86);
  --text: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --border: rgba(255, 255, 255, 0.10);
  --border-light: rgba(255, 255, 255, 0.06);

  /* Brand */
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-soft: rgba(59, 130, 246, 0.14);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  --gradient-primary: linear-gradient(135deg, #3b82f6, #8b5cf6);
  --gradient-sidebar: linear-gradient(180deg, #0d1424 0%, #070b16 100%);
}

:root[data-theme="light"] {
  color-scheme: light;

  --bg: #f3f6fb;
  --sidebar: #ffffff;
  --card: rgba(255, 255, 255, 0.92);
  --card-alt: rgba(255, 255, 255, 0.80);
  --text: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --border: rgba(2, 6, 23, 0.10);
  --border-light: rgba(2, 6, 23, 0.06);

  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-soft: rgba(37, 99, 235, 0.10);
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;

  --gradient-primary: linear-gradient(135deg, #2563eb, #7c3aed);
  --gradient-sidebar: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

/* ---------------------------
   2) Global base polish
--------------------------- */

html, body {
  font-family: var(--font-sans);
}

/* Global scale (readability) */
html {
  font-size: 17px;
}

body {
  line-height: 1.75;
}

body {
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

/* Links */
a { color: inherit; }
a:focus-visible { outline: none; box-shadow: var(--ring); border-radius: 10px; }

/* Safer focus for icon buttons */
button:focus-visible,
.theme-toggle-btn:focus-visible {
  box-shadow: var(--ring);
}

/* Selection */
::selection { background: var(--primary-soft); color: var(--text); }

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; scroll-behavior: auto !important; }
}

/* iPhone safe-area padding helpers */
@supports (padding: max(0px)) {
  .page-main {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
    padding-bottom: max(16px, env(safe-area-inset-bottom));
  }
}

/* ---------------------------
   3) Components (compat layer)
--------------------------- */

/* Cards */
.card {
  background: linear-gradient(145deg, var(--card), var(--card-alt));
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-1);
  border-radius: var(--radius-lg);
}

/* Buttons */
.btn,
button {
  border-radius: 12px;
  transition: transform var(--dur-2) var(--ease-out), background var(--dur-2) var(--ease-soft), color var(--dur-2) var(--ease-soft), box-shadow var(--dur-2) var(--ease-soft);
}

.btn:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--ring);
}

/* Forms */
input, select, textarea {
  background: rgba(15, 23, 42, 0.35);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 12px;
}

:root[data-theme="light"] input,
:root[data-theme="light"] select,
:root[data-theme="light"] textarea {
  background: rgba(255, 255, 255, 0.9);
}

/* Tables */
table {
  width: 100%;
  border-collapse: collapse;
}
table th {
  color: var(--text-muted);
}
table td, table th {
  border-color: var(--border-light) !important;
}

/* Badges / status */
.badge, .pill, .status {
  border-radius: var(--radius-pill);
}

/* Modals overlay (generic) */
.modal {
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

/* Buttons — variants (opt-in via classes, but also improves default .btn) */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border: 1px solid transparent;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  line-height: 1;
}

.btn:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn.btn-secondary,
.btn-secondary {
  background: rgba(148, 163, 184, 0.14);
  border-color: var(--border);
  color: var(--text);
}
.btn.btn-secondary:hover,
.btn-secondary:hover { background: rgba(148, 163, 184, 0.22); }

.btn.btn-ghost,
.btn-ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn.btn-ghost:hover,
.btn-ghost:hover { background: rgba(59, 130, 246, 0.10); border-color: var(--border-light); }

.btn.btn-danger,
.btn-danger {
  background: rgba(239, 68, 68, 0.14);
  border-color: rgba(239, 68, 68, 0.22);
  color: #fecaca;
}
:root[data-theme="light"] .btn.btn-danger,
:root[data-theme="light"] .btn-danger {
  color: #7f1d1d;
}
.btn.btn-danger:hover,
.btn-danger:hover { background: rgba(239, 68, 68, 0.22); }

/* Tables — SaaS defaults */
table th {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

table td {
  color: var(--text);
}

table tr:hover td {
  background: rgba(59, 130, 246, 0.06);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--border-light);
  background: rgba(148, 163, 184, 0.12);
  color: var(--text);
}

.badge.badge-danger { background: rgba(239, 68, 68, 0.14); color: #fecaca; border-color: rgba(239, 68, 68, 0.22); }
:root[data-theme="light"] .badge.badge-danger { color: #7f1d1d; }
.badge.badge-success { background: rgba(16, 185, 129, 0.14); color: #bbf7d0; border-color: rgba(16, 185, 129, 0.22); }
:root[data-theme="light"] .badge.badge-success { color: #14532d; }
.badge.badge-warning { background: rgba(245, 158, 11, 0.14); color: #fde68a; border-color: rgba(245, 158, 11, 0.22); }
:root[data-theme="light"] .badge.badge-warning { color: #78350f; }

/* Layout tweaks for light theme (keep existing structure) */
:root[data-theme="light"] .content {
  background: linear-gradient(180deg, rgba(2, 6, 23, 0.03), rgba(2, 6, 23, 0) 35%), var(--bg);
}

:root[data-theme="light"] .sidebar {
  box-shadow: 0 18px 48px rgba(2, 6, 23, 0.10);
}

/* ------------------------------------------------------
   Light mode compatibility overrides
   Many pages define dark .card backgrounds inline; force
   readable SaaS light surfaces across the app.
------------------------------------------------------ */

:root[data-theme="light"] .page-main .card,
:root[data-theme="light"] .page-main .report-card,
:root[data-theme="light"] .page-main .metric-card,
:root[data-theme="light"] .page-main .inv-box,
:root[data-theme="light"] .page-main .orders-stat-card,
:root[data-theme="light"] .page-main .orders-actions-card {
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(248, 250, 252, 0.96)) !important;
  border-color: var(--border) !important;
  box-shadow: 0 12px 30px rgba(2, 6, 23, 0.10) !important;
  color: var(--text) !important;
}

:root[data-theme="light"] .page-main .card *,
:root[data-theme="light"] .page-main .report-card *,
:root[data-theme="light"] .page-main .metric-card * {
  color: inherit;
}

/* Alerts/list items that were dark in light mode */
:root[data-theme="light"] #alerts li,
:root[data-theme="light"] .toast {
  background: rgba(255, 255, 255, 0.92) !important;
  border-color: var(--border) !important;
  color: var(--text) !important;
}

/* Charts containers */
:root[data-theme="light"] canvas {
  filter: saturate(1.05) contrast(1.05);
}

/* Dashboard/metrics: disable gradient text on light theme (improves contrast) */
:root[data-theme="light"] .count,
:root[data-theme="light"] .metric-count,
:root[data-theme="light"] .dashboard-card-highlight .count,
:root[data-theme="light"] .metric-card .count {
  background: none !important;
  -webkit-text-fill-color: var(--text) !important;
  color: var(--text) !important;
}

/* Improve muted text contrast in light theme */
:root[data-theme="light"] .card > div:first-child,
:root[data-theme="light"] small,
:root[data-theme="light"] .muted {
  color: var(--text-muted) !important;
}

/* ---------------------------
   4) Utilities
--------------------------- */
.u-flex { display: flex; }
.u-flex-col { display: flex; flex-direction: column; }
.u-center { display: flex; align-items: center; justify-content: center; }
.u-gap-8 { gap: 8px; }
.u-gap-12 { gap: 12px; }
.u-gap-16 { gap: 16px; }
.u-gap-20 { gap: 20px; }
.u-mb-8 { margin-bottom: 8px; }
.u-mb-12 { margin-bottom: 12px; }
.u-mb-16 { margin-bottom: 16px; }
.u-mb-24 { margin-bottom: 24px; }
.u-mt-16 { margin-top: 16px; }
.u-mt-24 { margin-top: 24px; }

/* ---------------------------
   5) Print safety
--------------------------- */
@media print {
  body { background: #fff !important; color: #000 !important; }
  .sidebar, .topbar, .mobile-bottom-nav, .no-print { display: none !important; }
  .content, .page-main { margin: 0 !important; padding: 0 !important; }
  .card { box-shadow: none !important; background: #fff !important; border-color: #e5e7eb !important; }
}

/* ---------------------------
   6) Mobile polish (RTL)
--------------------------- */
@media (max-width: 640px) {
  /* Keep global header compact even if a page has .topbar styles */
  .content > header.topbar {
    align-items: center !important;
  }

  .content > header.topbar .page-title {
    font-size: 15px;
  }

  .content > header.topbar .toggle {
    width: 40px;
    height: 40px;
    min-width: 40px;
    min-height: 40px;
  }

  .content > header.topbar .user-info span {
    max-width: 160px;
  }
}