/* Arabic RTL, نظافة وبساطة مع كروت جميلة */
*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,'Noto Naskh Arabic',Tahoma,Arial;background:#0b1220;color:#e5e7eb}
.app-header{position:sticky;top:0;display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:#111827;border-bottom:1px solid #1f2937;z-index:20}
.app-header h1{margin:0;font-size:1.1rem;font-weight:700;flex:1;text-align:center}
.back-btn{border:none;background:#1f2937;color:#e5e7eb;border-radius:999px;padding:.5rem .75rem;cursor:pointer}
.icon-btn{border:none;background:#1f2937;color:#e5e7eb;border-radius:12px;padding:.5rem .6rem;cursor:pointer}
.toolbar{display:flex;align-items:center;justify-content:space-between;padding:1rem}
.view{display:none;padding-bottom:6rem}
.view.active{display:block}
.subjects-list{display:flex;flex-direction:column;gap:.75rem;padding:1rem}
.subject-card{display:flex;align-items:center;gap:.75rem;padding:.9rem 1rem;border-radius:16px;color:#0b1220;background:var(--bg,#10b981);box-shadow:0 6px 24px rgba(0,0,0,.25);cursor:pointer;position:relative}
.subject-card .icon{font-size:1.4rem}
.subject-card .name{font-weight:800}
.subject-card .lvl{margin-inline-start:auto;background:rgba(0,0,0,.2);color:white;border-radius:999px;padding:.2rem .5rem;font-size:.8rem}
.subject-chip{display:inline-flex;align-items:center;gap:.5rem;background:#111827;border:1px solid #1f2937;border-radius:999px;padding:.25rem .6rem;font-weight:700}
.tabs{display:flex;gap:.5rem;padding:.5rem 1rem;position:sticky;top:52px;background:#0b1220;z-index:10}
.tab{flex:1;border:none;border-radius:12px;padding:.6rem 1rem;background:#111827;color:#e5e7eb;cursor:pointer}
.tab.active{outline:2px solid var(--tab-color)}
.tab-panel{display:none;padding:1rem}
.tab-panel.active{display:block}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}
.note-card{background:#111827;border:1px solid #1f2937;border-radius:16px;padding:.75rem;cursor:pointer;position:relative}
.note-card h4{margin:.2rem 0;font-size:1rem}
.note-card p{color:#9ca3af;max-height:3.8em;overflow:hidden}
.list-rows{display:flex;flex-direction:column;gap:.6rem}
.row{display:flex;align-items:center;gap:.6rem;padding:.8rem 1rem;background:#111827;border:1px solid #1f2937;border-radius:14px;position:relative}
.row .meta{flex:1}
.row .hint{font-size:.8rem;color:#9ca3af}
.slot-pill{display:inline-flex;align-items:center;gap:.5rem;border-radius:999px;padding:.2rem .6rem;color:#0b1220;font-weight:700}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.9);display:none;align-items:center;justify-content:center;z-index:50}
.lightbox.active{display:flex}
.lightbox img{max-width:95vw;max-height:90vh;border-radius:12px}
.fab{position:fixed;inset-inline-end:16px;inset-block-end:16px;width:56px;height:56px;border-radius:999px;border:none;background:#10b981;color:#0b1220;font-size:1.6rem;box-shadow:0 6px 24px rgba(0,0,0,.3);cursor:pointer;z-index:30}
.fab.blue{background:#3b82f6;color:white}
.fab.red{background:#ef4444;color:white}
.fab.yellow{background:#f59e0b;color:#0b1220}
.dialog-form{min-width:min(520px,92vw);background:#0b1220;color:#e5e7eb;border:1px solid #1f2937;border-radius:16px;padding:1rem}
dialog::backdrop{background:rgba(0,0,0,.5)}
.dialog-form label{display:block;margin:.5rem 0}
.dialog-form input[type="text"],.dialog-form input[type="color"],.dialog-form textarea,.dialog-form input[type='file']{width:100%;background:#111827;border:1px solid #1f2937;border-radius:10px;padding:.6rem;color:#e5e7eb}
.dialog-form menu{display:flex;gap:.5rem;justify-content:flex-end;margin-top:1rem}
.icons-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:.4rem}
.icon-choice{background:#111827;border:1px solid #1f2937;border-radius:12px;padding:.5rem;text-align:center;cursor:pointer}
.icon-choice.active{outline:2px solid #10b981}
.levels{display:grid;grid-template-columns:repeat(6,1fr);gap:.4rem}
.level{background:#111827;border:1px solid #1f2937;border-radius:12px;padding:.5rem;text-align:center;cursor:pointer}
.level.active{outline:2px solid #10b981}
.hint-press{position:absolute;inset-inline-start:10px;inset-block-end:8px;font-size:.7rem;color:#0b1220;opacity:.7}
.hidden{display:none !important}
@media (max-width:520px){.dialog-form{min-width:92vw}}