:root{--bg:#eef5fb;--surface:#ffffff;--surface-2:#f6f9fc;--ink:#10284f;--ink-soft:#64748b;--line:rgba(10,46,102,0.12);--brand:#0a3d91;--brand-dark:#0c2f6b;--brand-2:#1b67d5;--brand-tint:#edf4ff;--danger:#c73a3a;--danger-tint:#fdecec;--ok:#12805c;--ok-tint:#e6f5ef;--warn-tint:#fff3e8;--warn-ink:#b7791f;--radius:20px;--radius-sm:12px;--shadow:0 22px 48px rgba(10,46,102,0.12);--shadow-sm:0 10px 28px rgba(10,46,102,0.08);--font-sans:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}body.is-rtl{--font-sans:"Noto Kufi Arabic","Inter",ui-sans-serif,system-ui,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:15px;line-height:1.5;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{font-weight:800;line-height:1.15;margin:0;letter-spacing:-.02em}body.is-rtl h1,body.is-rtl h2,body.is-rtl h3{letter-spacing:0}body.is-rtl{line-height:1.7}h1{font-size:1.7rem}h2{font-size:1.3rem}h3{font-size:1.05rem}:focus-visible{outline:3px solid var(--brand-2);outline-offset:2px;border-radius:4px}.container{max-width:1120px;margin:0 auto;padding:0 20px}.container-narrow{max-width:460px;margin:0 auto;padding:0 20px}.page{padding:28px 0 64px}.stack{gap:16px}.stack,.stack-sm{display:flex;flex-direction:column}.stack-sm{gap:8px}.row,.row-between{display:flex;gap:12px;align-items:center}.row-between{justify-content:space-between}.wrap{flex-wrap:wrap}.grow{flex:1 1}.muted{color:var(--ink-soft)}.small{font-size:.85rem}.mt-2{margin-top:8px}.mt-4{margin-top:16px}.mt-6{margin-top:24px}.center{text-align:center}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px}.grid-2,.grid-3{display:grid;gap:12px}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px}.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:16px;gap:16px}@media (max-width:640px){.grid-2,.grid-3{grid-template-columns:1fr}}.topbar{background:linear-gradient(135deg,var(--brand) 0,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 28px rgba(10,46,102,.18)}.topbar .container{justify-content:space-between;gap:16px;min-height:64px}.brand-mark,.topbar .container{display:flex;align-items:center}.brand-mark{gap:10px;font-weight:800;font-size:1.1rem;color:#fff}.brand-mark:hover{text-decoration:none}.brand-dot{width:10px;height:10px;border-radius:50%;background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.25)}.nav{display:flex;gap:4px;align-items:center;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:none}.nav::-webkit-scrollbar{display:none}.nav a,.nav button{color:#e4ecf8;padding:7px 11px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;background:none;border:none;cursor:pointer;font-family:inherit;white-space:nowrap;flex:0 0 auto}.nav a:hover,.nav button:hover{background:rgba(255,255,255,.14);text-decoration:none}.nav a.active{background:rgba(255,255,255,.2);color:#fff}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:22px}.card-pad-lg{padding:28px}.card-tint{background:var(--surface-2)}.section-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;gap:12px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:inherit;font-size:.95rem;font-weight:700;padding:11px 18px;border-radius:var(--radius-sm);border:1px solid transparent;cursor:pointer;transition:transform .04s ease,opacity .15s ease,background .15s ease;text-decoration:none}.btn:active{transform:translateY(1px)}.btn-primary{background:linear-gradient(135deg,var(--brand) 0,var(--brand-2) 100%);color:#fff;box-shadow:0 12px 28px rgba(10,46,102,.18)}.btn-primary:hover{opacity:.94;text-decoration:none}.btn-ghost{background:var(--surface);color:var(--ink);border-color:var(--line)}.btn-ghost:hover{background:var(--surface-2);text-decoration:none}.btn-danger{background:var(--danger-tint);color:var(--danger);border-color:rgba(199,58,58,.25)}.btn-danger:hover{background:#fbdede;text-decoration:none}.btn-sm{padding:6px 12px;font-size:.85rem}.btn-block{width:100%}.btn:disabled{opacity:.55;cursor:not-allowed}label{display:block;font-size:.85rem;font-weight:600;color:var(--ink-soft);margin-bottom:6px;text-align:start}input,select,textarea{width:100%;font-family:inherit;font-size:.95rem;padding:10px 12px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink)}textarea{min-height:90px;resize:vertical}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px var(--brand-tint)}.field{margin-bottom:14px}.field-error{color:var(--danger);font-size:.8rem;margin-top:5px;font-weight:600;text-align:start}.checkbox-row{display:flex;align-items:center;gap:9px}.checkbox-row input{width:auto}.checkbox-row label{margin-bottom:0}.alert{padding:12px 14px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;border:1px solid transparent}.alert-error{background:var(--danger-tint);color:var(--danger);border-color:rgba(199,58,58,.22)}.alert-ok{background:var(--ok-tint);color:var(--ok);border-color:rgba(18,128,92,.22)}.alert-info{background:var(--brand-tint);color:var(--brand-dark);border-color:rgba(10,61,145,.16)}.alert-warn{background:var(--warn-tint);color:var(--warn-ink);border-color:rgba(183,121,31,.25)}.pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:.75rem;font-weight:700}.pill-ok{background:var(--ok-tint);color:var(--ok)}.pill-muted{background:var(--surface-2);color:var(--ink-soft);border:1px solid var(--line)}.pill-warn{background:var(--warn-tint);color:var(--warn-ink)}.pill-danger{background:var(--danger-tint);color:var(--danger)}.pill-brand{background:var(--brand-tint);color:var(--brand)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm)}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{padding:11px 14px;text-align:start;border-bottom:1px solid var(--line)}th{background:var(--surface-2);font-weight:700;color:var(--ink-soft);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}tr:last-child td{border-bottom:none}.calendar{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);padding:14px;max-width:340px;direction:ltr}.calendar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;gap:8px}.calendar-month{font-weight:700;font-size:.92rem}.calendar-nav{border:1px solid var(--line);background:var(--surface);color:var(--ink-soft);width:26px;height:26px;border-radius:8px;cursor:pointer;font-family:inherit;font-size:.8rem;line-height:1;padding:0;display:flex;align-items:center;justify-content:center}.calendar-nav:hover{background:var(--surface-2);color:var(--brand)}.calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);grid-gap:3px;gap:3px}.calendar-dow{text-align:center;font-size:.62rem;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.03em;padding-bottom:4px}.calendar-day{height:34px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:8px;border:1px solid transparent;background:var(--surface-2);color:var(--ink-soft);font-size:.78rem;font-weight:600;font-family:inherit;cursor:default;padding:0;transition:background .12s ease}.calendar-day.is-empty{background:transparent}.calendar-day.has-slots{background:var(--brand-tint);color:var(--brand);border-color:rgba(10,61,145,.18);cursor:pointer}.calendar-day.has-slots:hover{background:#dfeaff}.calendar-day.is-today{box-shadow:inset 0 0 0 1.5px var(--brand-2)}.calendar-dot{width:4px;height:4px;border-radius:50%;background:currentColor;opacity:.75}.calendar-day.is-pickable{cursor:pointer;background:var(--surface-2);color:var(--ink)}.calendar-day.is-pickable:hover{background:var(--brand-tint)}.calendar-day.is-past{opacity:.3;cursor:not-allowed}.calendar-day.is-selected.is-selected{background:linear-gradient(135deg,var(--brand) 0,var(--brand-2) 100%);color:#fff;border-color:transparent;font-weight:800;box-shadow:0 3px 10px rgba(10,46,102,.22)}.calendar-day.is-locked.is-locked{box-shadow:inset 0 0 0 2px var(--ok)}.calendar-lock{font-size:.6rem;line-height:1}.grid-controls{display:flex;flex-wrap:wrap;gap:14px;margin-top:12px}.inline-field{display:flex;align-items:center;gap:8px;margin:0}.inline-field span{font-size:.82rem;font-weight:600;color:var(--ink-soft);white-space:nowrap}.inline-field input,.inline-field select{width:auto;min-width:88px;padding:7px 10px;font-size:.85rem}.tt-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface)}.tt-scroll.is-pending{opacity:.6;pointer-events:none}.tt-grid{display:grid;grid-auto-rows:56px;min-width:max-content}.tt-corner,.tt-day-head{border-bottom:1px solid var(--line);background:var(--surface-2)}.tt-day-head{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:7px 6px;border-left:1px solid var(--line)}.tt-weekday{font-size:.68rem;font-weight:700;color:var(--ink-soft);text-transform:uppercase;letter-spacing:.04em}.tt-date{font-size:.82rem;font-weight:700;color:var(--ink)}.tt-row{grid-column:1;display:flex;align-items:flex-start;justify-content:flex-end;padding:4px 8px 0 0;font-size:.7rem;font-weight:700;color:var(--ink-soft);border-bottom:1px solid var(--line)}.tt-empty{border:none;border-bottom:1px solid var(--line);border-left:1px solid var(--line);background:transparent;cursor:pointer;font-family:inherit;display:flex;align-items:center;justify-content:center;color:transparent;transition:background .12s ease,color .12s ease}.tt-empty:hover{background:var(--brand-tint);color:var(--brand)}.tt-plus{font-size:1.05rem;font-weight:700;line-height:1}.tt-slot{position:relative;margin:2px;border-radius:8px;overflow:hidden;border:1px solid rgba(10,61,145,.22);background:linear-gradient(135deg,var(--brand) 0,var(--brand-2) 100%);color:#fff}.tt-slot-body{height:100%;display:flex;flex-direction:column;justify-content:flex-end;gap:1px;padding:4px 8px 10px}.tt-slot-actions{position:absolute;top:3px;right:3px;display:flex;gap:3px}.tt-slot-btn{display:flex;align-items:center;justify-content:center;width:24px;height:21px;padding:0;border-radius:6px;cursor:pointer;border:1px solid rgba(255,255,255,.35);background:rgba(255,255,255,.16);color:#fff;transition:opacity .12s ease,background .12s ease}.tt-slot-btn:hover:not(:disabled){background:rgba(255,255,255,.34)}.tt-slot-btn:disabled{opacity:.3;cursor:not-allowed}.tt-slot-remove{opacity:0}.tt-slot:focus-within .tt-slot-remove,.tt-slot:hover .tt-slot-remove{opacity:1}.tt-slot-remove:hover:not(:disabled){background:var(--danger);border-color:var(--danger)}@media (hover:none){.tt-slot-remove{opacity:1}}.tt-resize{position:absolute;left:0;right:0;bottom:0;height:9px;cursor:ns-resize;display:flex;align-items:center;justify-content:center;touch-action:none}.tt-resize-grip{width:26px;height:3px;border-radius:2px;background:rgba(255,255,255,.5);transition:background .12s ease}.tt-resize:hover .tt-resize-grip{background:rgba(255,255,255,.95)}.tt-slot.is-resizing{outline:2px solid var(--brand-2);outline-offset:1px}.tt-slot.is-resizing .tt-resize-grip{background:#fff}.tt-slot.is-full{background:linear-gradient(135deg,#b7791f,#d69e2e)}.tt-blocked{margin:2px;border-radius:8px;padding:6px 9px;overflow:hidden;border:1px dashed rgba(100,116,139,.45);background:repeating-linear-gradient(45deg,var(--surface-2),var(--surface-2) 6px,rgba(100,116,139,.1) 6px,rgba(100,116,139,.1) 12px);color:var(--ink-soft);cursor:not-allowed;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:2px;text-align:left}.tt-blocked-time{font-size:.72rem;font-weight:700}.tt-blocked-course{font-size:.64rem;font-weight:600;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.tt-slot-time{font-size:.74rem;font-weight:800;letter-spacing:.01em}.tt-slot-meta{font-size:.66rem;font-weight:600;opacity:.88}.slot-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));grid-gap:10px;gap:10px}.slot-card{border:1px solid var(--line);border-radius:var(--radius-sm);padding:12px 14px;background:var(--surface-2)}.slot-card.is-full{opacity:.6}.slot-time{font-weight:800;font-size:.98rem}.busy-overlay{position:fixed;inset:0;z-index:200;justify-content:center;background:rgba(10,40,79,.32);-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);animation:modal-fade .12s ease-out}.busy-card,.busy-overlay{display:flex;align-items:center}.busy-card{gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px 28px}.busy-spinner{width:26px;height:26px;flex:0 0 auto;border-radius:50%;border:3px solid var(--brand-tint);border-top-color:var(--brand);animation:busy-spin .7s linear infinite}.busy-label{font-weight:700;font-size:.95rem;color:var(--ink)}@keyframes busy-spin{to{transform:rotate(1turn)}}@media (prefers-reduced-motion:reduce){.busy-spinner{border-color:var(--brand-tint);border-top-color:var(--brand)}}.modal-overlay{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;padding:20px;background:rgba(10,40,79,.45);-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);animation:modal-fade .14s ease-out}.modal-card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 24px 20px;animation:modal-rise .16s cubic-bezier(.2,.8,.3,1)}.modal-title{font-size:1.12rem;font-weight:800;margin:0 0 8px}.modal-message{margin:0;color:var(--ink-soft);font-size:.95rem;line-height:1.65}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:22px;flex-wrap:wrap}.modal-actions .btn{min-width:104px}.btn-danger-solid{background:linear-gradient(135deg,#b32d2d 0,var(--danger) 100%);color:#fff;border-color:transparent;box-shadow:0 12px 28px rgba(199,58,58,.22)}.btn-danger-solid:hover{opacity:.94}@keyframes modal-fade{0%{opacity:0}to{opacity:1}}@keyframes modal-rise{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.modal-card,.modal-overlay{animation:none}}.empty{text-align:center;padding:40px 20px;color:var(--ink-soft)}.ltr-text{unicode-bidi:-webkit-isolate;unicode-bidi:isolate}.ltr-text,body.is-rtl input[type=date],body.is-rtl input[type=email],body.is-rtl input[type=password],body.is-rtl input[type=time]{direction:ltr;text-align:start}.empty h3{color:var(--ink);margin-bottom:6px}.divider{height:1px;background:var(--line);margin:20px 0;border:none}@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}