:root{
  --primary:#174ea6;
  --primary-dark:#103c7f;
  --accent:#0f766e;
  --danger:#b91c1c;
  --warning:#b45309;
  --success:#047857;
  --bg:#f4f7fb;
  --card:#ffffff;
  --ink:#172033;
  --muted:#64748b;
  --line:#d8e1ee;
  --shadow:0 8px 24px rgba(15,23,42,.08);
  --safe-bottom:max(12px,env(safe-area-inset-bottom));
}
*{box-sizing:border-box}
html{scroll-behavior:auto}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Tahoma,Arial,sans-serif;min-height:100vh;padding-bottom:calc(82px + var(--safe-bottom))}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.app-header{position:sticky;top:0;z-index:50;background:linear-gradient(135deg,var(--primary-dark),var(--primary));color:#fff;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px;box-shadow:0 2px 14px rgba(0,0,0,.18)}
.brand-block{display:flex;align-items:center;gap:12px;min-width:0}.brand-block h1{font-size:20px;margin:0 0 4px;line-height:1.3}.header-logo{width:48px;height:48px;border-radius:14px;background:#fff;padding:4px;object-fit:contain}.header-meta{display:flex;gap:10px;flex-wrap:wrap;font-size:13px;opacity:.9}.save-panel{display:flex;align-items:center;gap:8px;flex-shrink:0}.save-indicator{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.3)}.save-indicator.saved{background:#dcfce7;color:#166534;border-color:#86efac}.save-indicator.saving{background:#e0f2fe;color:#075985;border-color:#7dd3fc}.save-indicator.error{background:#fee2e2;color:#991b1b;border-color:#fca5a5}.save-indicator.draft{background:#fef3c7;color:#92400e;border-color:#fcd34d}.icon-button{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.12);color:#fff;font-size:20px}
.app-main{max-width:1180px;margin:0 auto;padding:16px;min-height:70vh}.page-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.page-head h2{margin:0;font-size:25px;color:#173b70}.page-head p{margin:4px 0 0;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:16px;margin-bottom:14px;box-shadow:var(--shadow)}.card h3{margin:0 0 12px;color:#183b69}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:0 3px 12px rgba(15,23,42,.05)}.stat-card span{color:var(--muted);font-size:14px}.stat-card b{display:block;font-size:32px;color:var(--primary);margin-top:6px}.stat-card small{display:block;color:var(--muted);margin-top:4px}.stat-card.good b{color:var(--success)}.stat-card.warn b{color:var(--warning)}.stat-card.bad b{color:var(--danger)}
.toolbar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.toolbar .spacer{flex:1}.btn{border:1px solid #b8c5d6;background:#fff;color:#1e293b;padding:10px 14px;border-radius:11px;font-weight:700;min-height:42px}.btn:hover{background:#f8fafc}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.accent{background:var(--accent);color:#fff;border-color:var(--accent)}.btn.danger{background:#fff5f5;color:var(--danger);border-color:#fecaca}.btn.warning{background:#fff7ed;color:#9a3412;border-color:#fed7aa}.btn.small{padding:6px 10px;min-height:34px;font-size:13px}.btn:disabled{opacity:.5;cursor:not-allowed}
.segmented{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;margin-bottom:14px}.segmented button{white-space:nowrap;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 14px;font-weight:700;color:#475569}.segmented button.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:12px}.field{display:flex;flex-direction:column;gap:6px;font-weight:700;color:#334155}.field span{font-size:13px}.field input,.field select,.field textarea{width:100%;border:1px solid #cbd5e1;background:#fff;border-radius:11px;padding:10px 12px;color:#111827;min-height:44px}.field textarea{min-height:90px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:3px solid #dbeafe;border-color:#60a5fa}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}.data-table{width:100%;border-collapse:collapse;min-width:680px}.data-table th,.data-table td{border-bottom:1px solid var(--line);border-left:1px solid var(--line);padding:10px;text-align:center;vertical-align:middle}.data-table th{background:#eef4fb;color:#173b70;position:sticky;top:0;z-index:2}.data-table tr:last-child td{border-bottom:0}.data-table td.name{text-align:right;font-weight:700}.data-table .actions{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.notice{border-radius:14px;padding:12px 14px;margin-bottom:12px;border:1px solid;font-size:14px;line-height:1.7}.notice.info{background:#eff6ff;color:#1e3a8a;border-color:#bfdbfe}.notice.success{background:#ecfdf5;color:#065f46;border-color:#a7f3d0}.notice.warning{background:#fffbeb;color:#92400e;border-color:#fde68a}.notice.danger{background:#fef2f2;color:#991b1b;border-color:#fecaca}
.badge{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:4px 9px;font-size:12px;font-weight:700;border:1px solid #cbd5e1;background:#f8fafc;color:#475569}.badge.good{background:#dcfce7;color:#166534;border-color:#86efac}.badge.warn{background:#fef3c7;color:#92400e;border-color:#fcd34d}.badge.bad{background:#fee2e2;color:#991b1b;border-color:#fca5a5}.badge.info{background:#dbeafe;color:#1e40af;border-color:#93c5fd}
.bottom-nav{position:fixed;z-index:60;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(6,1fr);padding:7px 6px var(--safe-bottom);box-shadow:0 -4px 18px rgba(15,23,42,.1)}.bottom-nav button{border:0;background:transparent;color:#475569;padding:7px 3px;border-radius:12px;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:11px;font-weight:700}.bottom-nav button .icon{font-size:22px;line-height:1}.bottom-nav button.active{background:#e8f0fe;color:var(--primary)}
.app-dialog{border:0;padding:0;border-radius:22px;width:min(760px,calc(100vw - 24px));max-height:min(88vh,900px);box-shadow:0 24px 80px rgba(0,0,0,.35);overflow:hidden}.app-dialog::backdrop{background:rgba(15,23,42,.62)}.dialog-content{padding:18px;max-height:88vh;overflow:auto;overscroll-behavior:contain}.dialog-head{position:sticky;top:-18px;z-index:5;background:#fff;margin:-18px -18px 14px;padding:16px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;gap:10px}.dialog-head h2{margin:0;color:#173b70;font-size:22px}.dialog-head .spacer{flex:1}
.subject-row{display:grid;grid-template-columns:minmax(150px,1fr) 110px 100px;gap:10px;align-items:center;border:1px solid var(--line);border-radius:14px;padding:10px;margin-bottom:8px;background:#fff}.subject-toggle{display:flex;align-items:center;gap:10px;font-weight:700}.subject-toggle input{width:22px;height:22px}.stepper{display:grid;grid-template-columns:34px 1fr 34px;align-items:center;border:1px solid #cbd5e1;border-radius:10px;overflow:hidden}.stepper button{height:38px;border:0;background:#eef4fb;font-weight:900;font-size:18px}.stepper input{width:100%;height:38px;border:0;text-align:center;font-weight:700}.stepper input:focus{outline:none;background:#eff6ff}
.assignment-box{border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}.assignment-box summary{padding:12px 14px;background:#f8fafc;font-weight:700;cursor:pointer}.assignment-body{padding:12px}.check-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(110px,1fr));gap:8px}.check-item{display:flex;align-items:center;gap:7px;border:1px solid var(--line);border-radius:10px;padding:8px;background:#fff}.check-item input{width:19px;height:19px}
.availability-grid{display:grid;grid-template-columns:100px repeat(7,minmax(44px,1fr));min-width:560px}.availability-grid>div{border-left:1px solid var(--line);border-bottom:1px solid var(--line);padding:7px;text-align:center}.availability-grid .head{background:#eef4fb;font-weight:700}.availability-grid input{width:20px;height:20px}
.schedule-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}.schedule-table{border-collapse:collapse;width:100%;min-width:720px;table-layout:fixed}.schedule-table th,.schedule-table td{border:1px solid #94a3b8;padding:5px;text-align:center;height:82px;vertical-align:middle}.schedule-table th{background:#e9f0fb;color:#173b70}.schedule-cell{width:100%;height:100%;border:0;background:transparent;border-radius:10px;padding:5px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;color:#172033}.schedule-cell.filled{background:#eff6ff;border:1px solid #bfdbfe}.schedule-cell.locked{background:#fff7ed;border-color:#fed7aa}.schedule-cell .subject{font-weight:800}.schedule-cell .teacher{font-size:12px;color:#475569}.schedule-cell .lock{font-size:11px;color:#92400e}.schedule-cell.empty{color:#94a3b8;font-size:12px}.schedule-summary{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:8px;margin-bottom:12px}.summary-chip{border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff}.summary-chip b{display:block;font-size:22px;color:var(--primary)}
.issue-list{display:flex;flex-direction:column;gap:9px}.issue-card{border:1px solid var(--line);border-right:5px solid #64748b;border-radius:13px;padding:12px;background:#fff}.issue-card.حرج,.issue-card.خطأ{border-right-color:var(--danger)}.issue-card.تنبيه{border-right-color:var(--warning)}.issue-card h4{margin:0 0 6px}.issue-card p{margin:3px 0;color:#475569;line-height:1.6}.issue-card .solution{color:#065f46}
.progress{height:12px;background:#e2e8f0;border-radius:999px;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--primary),var(--accent));border-radius:999px}
.empty-state{text-align:center;padding:36px 16px;color:#64748b}.empty-state .emoji{font-size:48px;display:block;margin-bottom:10px}
.fatal-error{position:fixed;inset:12px;z-index:999;background:#fff;border:2px solid #ef4444;border-radius:18px;padding:20px;overflow:auto;direction:rtl;color:#991b1b;box-shadow:0 20px 80px rgba(0,0,0,.35)}
.loading-screen{display:flex;align-items:center;justify-content:center;min-height:55vh;color:#475569;font-size:18px}.loading-dot{width:12px;height:12px;border-radius:50%;background:var(--primary);margin-left:8px;animation:pulse 1s infinite alternate}@keyframes pulse{from{opacity:.25;transform:scale(.8)}to{opacity:1;transform:scale(1.2)}}
.print-only{display:none}
@media(max-width:700px){.app-header{align-items:flex-start}.brand-block h1{font-size:18px}.header-logo{width:42px;height:42px}.header-meta{font-size:11px}.save-indicator{max-width:120px;text-align:center;font-size:11px;padding:6px 8px}.app-main{padding:12px}.page-head{align-items:flex-start}.page-head h2{font-size:22px}.bottom-nav{grid-template-columns:repeat(6,1fr)}.bottom-nav button{font-size:9px}.bottom-nav button .icon{font-size:20px}.app-dialog{width:100vw;max-width:none;margin:0;border-radius:22px 22px 0 0;max-height:92vh;position:fixed;bottom:0}.dialog-content{max-height:92vh}.subject-row{grid-template-columns:1fr 105px}.subject-row .subject-actions{grid-column:1/-1}.toolbar .btn{flex:1 1 auto}.data-table{min-width:620px}}
@media print{body{padding:0;background:#fff}.app-header,.bottom-nav,.no-print,.save-panel{display:none!important}.app-main{max-width:none;padding:0}.card{border:0;box-shadow:none;margin:0;padding:0}.print-only{display:block}.table-wrap,.schedule-wrap{overflow:visible;border:0}.data-table,.schedule-table{min-width:0;font-size:9pt}.schedule-table th,.schedule-table td{height:22mm;padding:2mm}@page{size:A4 landscape;margin:8mm}}

/* إضافات الإصدار 24.1 */
.master-editor{width:100%;border-collapse:collapse;min-width:900px;table-layout:fixed}.master-editor th,.master-editor td{border:1px solid #94a3b8;padding:3px;text-align:center}.master-editor th{background:#e9f0fb;color:#173b70}.master-cell{width:100%;min-height:54px;border:0;border-radius:8px;background:#f8fafc;color:#64748b;padding:4px;display:flex;flex-direction:column;align-items:center;justify-content:center}.master-cell.filled{background:#eff6ff;color:#172033;border:1px solid #bfdbfe}.master-cell small{display:block;color:#64748b;font-size:10px}.weekly-day{break-inside:avoid}.chip-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.mini-x{border:0;background:transparent;color:#991b1b;font-weight:900;cursor:pointer}.note-card{border:1px solid var(--line);border-right:5px solid var(--primary);border-radius:14px;padding:12px;margin-bottom:10px;background:#fff}.note-card.done{opacity:.62;border-right-color:#16a34a}.note-card.done .subject-toggle span{text-decoration:line-through}.field.full{grid-column:1/-1}.command-samples{display:flex;gap:8px;flex-wrap:wrap}.room-tag{font-size:10px;color:#0f766e}.batch-print-item{break-inside:avoid}
@media(max-width:700px){.master-editor{min-width:820px}.weekly-day{padding:10px}.master-cell{min-height:48px;font-size:10px}.segmented{overflow:auto;justify-content:flex-start}.segmented button{white-space:nowrap}}
@media print{.weekly-day{page-break-inside:avoid;margin-bottom:5mm}.master-editor{min-width:0;font-size:6.5pt}.master-editor th,.master-editor td{padding:.5mm}.master-cell{min-height:9mm;padding:0;font-size:6pt}.master-cell small{font-size:5pt}.segmented,.page-head{display:none!important}}