/* ==========================================================
   APEX OMEGA (Ultra Theme Engine)
   - Night default: Dark-Pro (not too black)
   - Day: clean bright admin
   - Ghost: has its own color token (--ghost) + derived vars
   - Works with settings.php variables (underscored names)
   - Includes palette picker UI styles
   ========================================================== */

@layer reset, base, components, utilities, print;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { height: 100%; -webkit-text-size-adjust: 100%; }
  body { min-height: 100%; margin: 0; }
  img, svg, video, canvas { max-width: 100%; height: auto; }
  input, button, select, textarea { font: inherit; }
  a { color: inherit; text-decoration: none; }
  table { border-collapse: separate; border-spacing: 0 8px; width: 100%; }
}

@layer base {
  :root {
    /* Brand */
    --primary: #2563eb;
    --secondary: #0ea5e9;

    /* Ghost main color (NEW) */
    --ghost: var(--primary);

    /* Semantic */
    --danger: #ef4444;
    --success: #22c55e;
    --warning: #f59e0b;

    /* Night (APEX) */
    --bg: #0f172a;
    --surface: #101b33;
    --surface-2: #0b1628;
    --text: #e5e7eb;
    --muted: #9aa4b2;

    /* Layout */
    --radius: 16px;

    /* Shadows */
    --shadow: 0 18px 50px rgba(0,0,0,.26);
    --shadow-soft: 0 10px 30px rgba(0,0,0,.18);

    /* Borders */
    --border: rgba(255,255,255,.08);
    --border-2: rgba(255,255,255,.14);

    /* Typography */
    --font: 'Tajawal', system-ui, -apple-system, 'Segoe UI', Roboto, Arial;

    /* Motion */
    --ease: cubic-bezier(.2,.8,.2,1);
    --t-fast: 120ms;
    --t: 160ms;
    --t-slow: 220ms;

    /* Focus */
    --ring: 0 0 0 3px rgba(37, 99, 235, .35);

    /* ========= Variables controlled by settings (underscored) ========= */
    --sidebar_bg: linear-gradient(180deg, rgba(16,27,51,.95), rgba(10,17,30,.90));
    --sidebar_border: rgba(255,255,255,.08);
    --sidebar_text: var(--text);

    --nav_item_bg: rgba(255,255,255,.02);
    --nav_item_border: rgba(255,255,255,.06);
    --nav_item_hover_bg: rgba(255,255,255,.05);
    --nav_item_hover_border: rgba(255,255,255,.12);
    --nav_item_active_bg: rgba(37,99,235,.18);
    --nav_item_active_border: rgba(37,99,235,.38);

    --section_bg: rgba(255,255,255,.03);
    --section_border: rgba(255,255,255,.08);

    --card_bg: rgba(255,255,255,.03);
    --card_border: rgba(255,255,255,.08);

    --input_bg: rgba(255,255,255,.04);
    --input_border: rgba(255,255,255,.08);

    --table_row_bg: rgba(255,255,255,.03);
    --table_row_border: rgba(255,255,255,.08);
    --table_head_text: var(--muted);

    /* Ghost derived vars (PRIMARY only? no, now from --ghost) */
    --ghost_text: var(--ghost);
    --ghost_bg: rgba(37,99,235,.10);
    --ghost_border: rgba(37,99,235,.35);

    /* Apex glass edge */
    --glass_edge: rgba(255,255,255,.10);
    --glass_inset: inset 0 1px 0 rgba(255,255,255,.06);
  }

  @supports (color: color-mix(in srgb, white 50%, black)) {
    :root {
      --ring: 0 0 0 3px color-mix(in srgb, var(--primary) 38%, transparent);
      --ghost_bg: color-mix(in srgb, var(--ghost) 12%, transparent);
      --ghost_border: color-mix(in srgb, var(--ghost) 44%, transparent);
      --nav_item_active_bg: color-mix(in srgb, var(--primary) 14%, transparent);
      --nav_item_active_border: color-mix(in srgb, var(--primary) 38%, transparent);
    }
  }

  body[data-theme="day"] {
    --bg: var(--bg_day, #f7f8fb);
    --surface: var(--surface_day, #ffffff);
    --text: var(--text_day, #0f172a);
    --muted: var(--muted_day, #475569);

    --card_bg: var(--card_bg_day, rgba(15, 23, 42, .02));
    --card_border: var(--card_border_day, rgba(15, 23, 42, .12));

    --section_bg: var(--section_bg_day, rgba(15, 23, 42, .03));
    --section_border: var(--section_border_day, rgba(15, 23, 42, .12));

    --input_bg: var(--input_bg_day, #ffffff);
    --input_border: var(--input_border_day, rgba(15, 23, 42, .14));

    --table_row_bg: var(--table_row_bg_day, #ffffff);
    --table_row_border: var(--table_row_border_day, rgba(15, 23, 42, .10));
    --table_head_text: var(--table_head_text_day, var(--muted));

    --sidebar_bg: var(--sidebar_bg_day, linear-gradient(180deg, #ffffff, #f6f7fb));
    --sidebar_border: var(--sidebar_border_day, rgba(15, 23, 42, .10));
    --sidebar_text: var(--sidebar_text_day, var(--text));

    --nav_item_bg: var(--nav_item_bg_day, rgba(15, 23, 42, .02));
    --nav_item_border: var(--nav_item_border_day, rgba(15, 23, 42, .10));
    --nav_item_hover_bg: var(--nav_item_hover_bg_day, rgba(15, 23, 42, .04));
    --nav_item_hover_border: var(--nav_item_hover_border_day, rgba(15, 23, 42, .16));
    --nav_item_active_bg: var(--nav_item_active_bg_day, color-mix(in srgb, var(--primary) 12%, transparent));
    --nav_item_active_border: var(--nav_item_active_border_day, color-mix(in srgb, var(--primary) 34%, transparent));

    --shadow: 0 18px 40px rgba(2, 6, 23, .08);
    --shadow-soft: 0 10px 24px rgba(2, 6, 23, .06);
    --glass_edge: rgba(15,23,42,.10);
    --glass_inset: inset 0 1px 0 rgba(15,23,42,.04);

    --ghost_bg: color-mix(in srgb, var(--ghost) 9%, transparent);
    --ghost_border: color-mix(in srgb, var(--ghost) 38%, transparent);
  }

  html { min-height: 100%; background: var(--bg); }

body{
  font-family: var(--font);
  color: var(--text);
  /* خلفية ثابتة بلون واحد لتجنب ظهور لايرات/خطوط عند طول الصفحة */
  background: var(--bg);
  position: relative;
  isolation: isolate;
  min-height: 100%;
}

/* طبقة تدرجات ثابتة تغطي الشاشة بالكامل (بدون تكرار) */
body::before{
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(1200px 700px at 85% -10%, color-mix(in srgb, var(--primary) 22%, transparent), transparent 60%),
    radial-gradient(900px 650px at -12% 30%, color-mix(in srgb, var(--secondary) 14%, transparent), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,.02), transparent 35%),
    var(--bg);
  background-repeat: no-repeat;
  background-size: cover, cover, 100% 100%, auto;
}

body, button, input, select, textarea, table, th, td, .btn, .badge , input, select, textarea, table, th, td, .btn, .badge {
    font-family: var(--font) !important;
  }

  :where(a, button, input, select, textarea, .btn):focus-visible {
    outline: none;
    box-shadow: var(--ring);
    border-color: var(--ghost_border) !important;
  }

  ::selection { background: rgba(37, 99, 235, .35); }

  @media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
      transition-duration: 1ms !important;
      animation-duration: 1ms !important;
      animation-iteration-count: 1 !important;
      scroll-behavior: auto !important;
    }
  }
}

@layer components {
  .layout { display:flex; min-height:100vh; }

  .sidebar {
    width:270px;
    padding:18px;
    padding-bottom:22px;
    background: var(--sidebar_bg);
    border-left: 1px solid var(--sidebar_border);
    height:100vh;
    position:sticky;
    top:0;
    overflow-y:auto;
    overscroll-behavior:contain;
    color: var(--sidebar_text);
    box-shadow: var(--shadow-soft);
  }
  html[dir="ltr"] .sidebar { border-left:0; border-right:1px solid var(--sidebar_border); }

  .brand { display:flex; align-items:center; gap:12px; margin-bottom:18px; }
  .brand .logo {
    width:44px; height:44px; border-radius:14px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    box-shadow: var(--shadow);
  }
  .brand .title { font-weight: 900; letter-spacing:.2px; }

  .nav { display:flex; flex-direction:column; gap:6px; margin-top:14px; }
  .nav a {
    padding:10px 12px;
    border-radius:14px;
    display:flex;
    align-items:center;
    justify-content:space-between;
    background: var(--nav_item_bg);
    border: 1px solid var(--nav_item_border);
    color: var(--sidebar_text);
    box-shadow: var(--glass_inset);
    transition: transform var(--t) var(--ease), background var(--t) var(--ease), border-color var(--t) var(--ease);
  }
  .nav a:hover { transform: translateY(-1px); background: var(--nav_item_hover_bg); border-color: var(--nav_item_hover_border); }
  .nav a.active { background: var(--nav_item_active_bg); border-color: var(--nav_item_active_border); }

  .main { flex:1; padding:22px; display:flex; flex-direction:column; min-height:100vh; }
  .topbar { display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:18px; }

  .search { flex:1; max-width:520px; }
  .search input {
    width:100%; padding:12px 14px;
    border-radius:16px;
    background: var(--input_bg);
    border: 1px solid var(--input_border);
    color: var(--text);
    outline:none;
    box-shadow: var(--glass_inset);
  }

  .user { display:flex; gap:10px; align-items:center; }

  .badge {
    padding:6px 10px;
    border-radius:999px;
    font-size:12px;
    background: rgba(34,197,94,.14);
    border: 1px solid rgba(34,197,94,.35);
  }

  .grid { display:grid; grid-template-columns:repeat(12,1fr); gap:14px; }

  .card {
    grid-column: span 3;
    background: var(--card_bg);
    border: 1px solid var(--card_border);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: var(--shadow-soft);
    backdrop-filter: blur(10px);
    transition: transform var(--t) var(--ease), border-color var(--t) var(--ease);
  }
  .card:hover { transform: translateY(-2px); border-color: var(--border-2); }

  .card .k { font-size:12px; color: var(--muted); }
  .card .v { font-size:24px; font-weight:900; margin-top:6px; }

  .section {
    margin-top:16px;
    background: var(--section_bg);
    border: 1px solid var(--section_border);
    border-radius: var(--radius);
    padding: 14px;
    box-shadow: var(--glass_inset);
  }
  .section h2 { margin:0 0 10px 0; font-size:16px; }

  .table th { font-size:12px; color: var(--table_head_text); text-align:right; padding:6px 10px; }
  html[dir="ltr"] .table th { text-align:left; }

  .table td {
    padding:10px;
    background: var(--table_row_bg);
    border-top: 1px solid var(--table_row_border);
    border-bottom: 1px solid var(--table_row_border);
    box-shadow: var(--glass_inset);
  }
  .table tr td:first-child { border-right:1px solid var(--table_row_border); border-top-right-radius:14px; border-bottom-right-radius:14px; }
  .table tr td:last-child { border-left:1px solid var(--table_row_border); border-top-left-radius:14px; border-bottom-left-radius:14px; }

  .btn {
    padding:10px 12px;
    border-radius:14px;
    border: 1px solid rgba(255,255,255,.10);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color:#fff;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-weight:800;
    transition: transform var(--t-fast) var(--ease), filter var(--t-fast) var(--ease);
    box-shadow: 0 10px 24px rgba(0,0,0,.12);
  }
  body[data-theme="day"] .btn { box-shadow: 0 10px 22px rgba(2,6,23,.08); }
  .btn:hover { transform: translateY(-1px); filter: brightness(1.06); }

  .btn.secondary {
    background: linear-gradient(135deg,
      color-mix(in srgb, var(--secondary) 82%, #ffffff 0%),
      color-mix(in srgb, var(--primary) 65%, #ffffff 0%)
    );
  }
  @supports not (color: color-mix(in srgb, white 50%, black)) {
    .btn.secondary { background: linear-gradient(135deg, rgba(14,165,233,.60), rgba(37,99,235,.45)); }
  }

  .btn.danger {
    background: linear-gradient(135deg, rgba(239,68,68,.65), rgba(239,68,68,.30));
    border-color: rgba(239,68,68,.30);
  }

  /* Ghost button (NEW: uses --ghost) */
  .btn.ghost {
    background: var(--ghost_bg);
    color: var(--ghost_text);
    border: 1px solid var(--ghost_border);
    box-shadow: none;
  }
  .btn.ghost:hover { filter: brightness(1.04); }

  .form { display:grid; grid-template-columns:repeat(12,1fr); gap:12px; }
  .field { grid-column:span 6; display:flex; flex-direction:column; gap:6px; }
  .field.sm { grid-column:span 3; }
  .field.lg { grid-column:span 12; }

  label { font-size:12px; color: var(--muted); }

  input, select, textarea {
    padding:12px;
    border-radius:14px;
    background: var(--input_bg);
    border: 1px solid var(--input_border);
    color: var(--text);
    outline:none;
    box-shadow: var(--glass_inset);
  }
  textarea { min-height:90px; resize:vertical; }

  .toast {
    position: fixed;
    bottom: 18px;
    left: 18px;
    z-index: 9999;
    background: rgba(16,27,51,.95);
    border: 1px solid rgba(255,255,255,.10);
    padding: 12px 14px;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transform: translateY(20px);
    opacity: 0;
    transition: transform var(--t-slow) var(--ease), opacity var(--t-slow) var(--ease);
    max-width: 420px;
  }
  body[data-theme="day"] .toast { background: rgba(255,255,255,.97); color:#0f172a; border-color: rgba(15,23,42,.10); }
  .toast.show { transform: translateY(0); opacity:1; }

  .footer {
    margin-top:auto;
    display:flex;
    justify-content:space-between;
    gap:12px;
    padding:14px 4px;
    color: var(--muted);
    font-size:12px;
  }

  @media (max-width:1100px){ .card{grid-column:span 6;} .field{grid-column:span 12;} .sidebar{width:240px;} }
  @media (max-width:820px){ .layout{flex-direction:column;} .sidebar{position:relative;height:auto;width:auto;} .main{padding:14px;} .card{grid-column:span 12;} }

  @media (max-width:820px){
    .table thead{display:none;}
    .table,.table tbody,.table tr,.table td{display:block;width:100%;}
    .table tr{margin-bottom:10px;}
    .table td{display:flex;justify-content:space-between;gap:12px;}
    .table td::before{content:attr(data-label);color:var(--muted);font-size:12px;white-space:nowrap;}
  }

  @media (max-width:820px){
    .sidebar{display:none;}
    body.sidebar-open .sidebar{display:block;position:fixed;right:0;top:0;bottom:0;z-index:9998;width:270px;box-shadow:var(--shadow);}
    body.sidebar-open::before{content:'';position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:9997;}
  }

  .fab{position:fixed;bottom:18px;right:18px;z-index:9996;}
  .fab .fab-btn{width:54px;height:54px;border-radius:999px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;border:none;box-shadow:var(--shadow);cursor:pointer;font-size:22px;}
  .fab .fab-menu{display:none;flex-direction:column;gap:8px;margin-bottom:10px;align-items:flex-end;}
  .fab.open .fab-menu{display:flex;}
  .fab .fab-item{padding:10px 12px;border-radius:14px;background:var(--section_bg);border:1px solid var(--section_border);box-shadow:var(--shadow-soft);}

  .sidebar::-webkit-scrollbar{width:10px;}
  .sidebar::-webkit-scrollbar-thumb{background:rgba(148,163,184,.25);border-radius:999px;}
}

@layer utilities {
  .sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important;}

  /* Palette UI (Settings) */
  .palette-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;}
  .palette-item{width:100%;text-align:right;border:1px solid var(--section_border);border-radius:var(--radius);padding:12px;background:var(--section_bg);cursor:pointer;transition:transform var(--t) var(--ease),border-color var(--t) var(--ease),box-shadow var(--t) var(--ease);box-shadow: var(--glass_inset);}
  .palette-item:hover{transform:translateY(-1px);border-color:var(--ghost_border);box-shadow:0 14px 34px rgba(0,0,0,.12);}
  .palette-item.active{border-color:var(--ghost_border);box-shadow:0 18px 44px rgba(0,0,0,.14);}
  body[data-theme="day"] .palette-item:hover{box-shadow:0 14px 28px rgba(2,6,23,.08);}

  .palette-title{font-weight:900;}
  .palette-sub{color:var(--muted);font-size:12px;margin-top:2px;}
  .swatches{display:flex;gap:8px;margin-top:10px;}
  .swatch{width:34px;height:34px;border-radius:12px;border:1px solid rgba(255,255,255,.12);box-shadow:0 6px 18px rgba(0,0,0,.12);}
  body[data-theme="day"] .swatch{border-color:rgba(15,23,42,.12);}

  .a4-sheet{width:210mm;min-height:297mm;background:#fff;color:#111;margin:12px auto;padding:12mm;border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.12);}
  .a4-sheet *{-webkit-print-color-adjust:exact;print-color-adjust:exact;}
  .a4-capture{width:210mm!important;}
}

@layer print {
  @media print{
    body{background:#fff!important;color:#111!important;}
    .sidebar,.topbar,.fab,.no-print{display:none!important;}
    .main{padding:0!important;}
    .section,.card{border:1px solid #ddd!important;box-shadow:none!important;background:#fff!important;backdrop-filter:none!important;}
    .a4-sheet{box-shadow:none!important;margin:0!important;border-radius:0!important;width:auto!important;min-height:auto!important;padding:0!important;}
    @page{size:A4;margin:12mm;}
    *{-webkit-print-color-adjust:exact;print-color-adjust:exact;}
  }
}

body[data-theme="day"]   .brand-logo-night{display:none;}
body[data-theme="night"] .brand-logo-day{display:none;}
.brand-logo{height:34px; width:auto;}
``