:root{--brand: #0F766E;--brand-2: #14B8A6;--brand-ink: #115E59;--brand-soft: #E2F5F1;--ok: #059669;--ok-soft: #E7F7F1;--warn: #D97706;--warn-soft: #FEF3E2;--bad: #DC2626;--bad-soft: #FDECEC;--ink: #0B1F1D;--ink-2: #33514E;--muted: #6B7280;--line: #DCEFEB;--bg: #F4FAF9;--card: #FFFFFF;--r-lg: 26px;--r-md: 18px;--r-sm: 12px;--clay: 0 14px 28px -18px rgba(15, 90, 84, .42), 0 2px 0 rgba(15, 118, 110, .06) inset;--clay-sm: 0 8px 18px -12px rgba(15, 90, 84, .36);--shadow: 0 18px 40px -28px rgba(21, 14, 43, .5);--font-head: "Noto Kufi Arabic", "Segoe UI", Tahoma, sans-serif;--font-body: "Noto Sans Arabic", "Segoe UI", Tahoma, sans-serif}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;line-height:1.75;font-size:16px}h1,h2,h3,h4{font-family:var(--font-head);line-height:1.5;margin:0}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}a{color:var(--brand)}.app{min-height:100dvh;position:relative;overflow-x:hidden;padding-bottom:96px}.app:before,.app:after{content:"";position:fixed;width:320px;height:320px;border-radius:50%;filter:blur(70px);opacity:.5;z-index:-1;animation:drift 18s ease-in-out infinite alternate;pointer-events:none}.app:before{background:#99f6e4;top:-120px;inset-inline-start:-100px}.app:after{background:#a5f3e7;bottom:-140px;inset-inline-end:-110px;animation-delay:-6s}@keyframes drift{0%{transform:translateZ(0) scale(1)}to{transform:translate3d(20px,-24px,0) scale(1.1)}}@keyframes fadeUp{0%{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}.wrap{max-width:980px;margin:0 auto;padding:0 16px}.screen{animation:fadeUp .35s ease both}.topbar{position:sticky;top:0;z-index:40;background:#faf5ffd1;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid rgba(237,228,251,.9)}.topbar-in{display:flex;align-items:center;gap:12px;padding:10px 0}.brand{display:flex;align-items:center;gap:10px}.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(140deg,var(--brand-2),var(--brand));color:#fff;box-shadow:var(--clay-sm);flex:none}.brand-text b{font-family:var(--font-head);font-size:1.05rem;display:block;line-height:1.3}.brand-text span{font-size:.72rem;color:var(--muted)}.head-spacer{flex:1}.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:#fff;display:grid;place-items:center;cursor:pointer;transition:transform .2s ease,box-shadow .2s ease;color:var(--brand-ink)}.icon-btn:hover{transform:translateY(-2px);box-shadow:var(--clay-sm)}.offline-pill{display:inline-flex;align-items:center;gap:6px;font-size:.72rem;font-weight:600;background:var(--ok-soft);color:#056649;padding:6px 10px;border-radius:999px}.offline-pill.warn{background:var(--warn-soft);color:#92500b}.bottom-nav{position:fixed;bottom:14px;inset-inline:0;z-index:50;display:flex;justify-content:center;padding:0 12px}.bottom-nav-in{display:flex;gap:2px;background:#ffffffdb;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:24px;padding:6px;box-shadow:0 20px 34px -22px #150e2b8c;max-width:560px;width:100%}.nav-btn{flex:1;border:0;background:transparent;cursor:pointer;border-radius:18px;padding:8px 4px 6px;display:flex;flex-direction:column;align-items:center;gap:3px;font-size:.66rem;font-weight:600;color:var(--muted);transition:all .2s ease}.nav-btn:hover{color:var(--brand)}.nav-btn.active{background:var(--brand-soft);color:var(--brand-ink)}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--clay);margin-bottom:14px}.card.tight{padding:14px}.card-flat{box-shadow:none}.sec-title{display:flex;align-items:center;gap:8px;margin:22px 0 12px}.sec-title h2{font-size:1.02rem}.sec-title .link{margin-inline-start:auto;font-size:.78rem;font-weight:600;color:var(--brand);cursor:pointer;background:none;border:0}.grid-2{display:grid;gap:12px;grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}@media (min-width: 720px){.grid-3{grid-template-columns:repeat(4,minmax(0,1fr))}}.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px;text-align:center;box-shadow:var(--clay-sm)}.stat b{display:block;font-family:var(--font-head);font-size:1.35rem;color:var(--brand-ink)}.stat span{font-size:.72rem;color:var(--muted)}.btn{border:0;cursor:pointer;border-radius:16px;padding:11px 18px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg,var(--brand-2),var(--brand));color:#fff;box-shadow:0 14px 24px -16px #0f766ed9}.btn-primary:hover{transform:translateY(-2px)}.btn-ghost{background:#fff;color:var(--brand-ink);border:1px solid var(--line)}.btn-ghost:hover{transform:translateY(-2px);box-shadow:var(--clay-sm)}.btn-soft{background:var(--brand-soft);color:var(--brand-ink)}.btn-ok{background:var(--ok);color:#fff}.btn-sm{padding:8px 13px;font-size:.82rem;border-radius:13px}.btn-block{width:100%}.chips{display:flex;flex-wrap:wrap;gap:8px}.chip{border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer;border-radius:999px;padding:7px 13px;font-size:.8rem;font-weight:600;transition:all .18s ease;display:inline-flex;align-items:center;gap:6px}.chip:hover{transform:translateY(-1px);box-shadow:var(--clay-sm)}.chip.active{background:var(--brand);border-color:var(--brand);color:#fff}.chip.ok{background:var(--ok-soft);border-color:#c7efe2;color:#056649}.chip.warn{background:var(--warn-soft);border-color:#fbe3c2;color:#92500b}.bar{height:9px;border-radius:999px;background:var(--brand-soft);overflow:hidden}.bar>i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand-2),var(--brand));transition:width .5s ease}.bar.ok>i{background:linear-gradient(90deg,#34D399,var(--ok))}.ring{position:relative;width:74px;height:74px;flex:none}.ring svg{transform:rotate(-90deg)}.ring b{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-family:var(--font-head);font-size:1rem}.badge{font-size:.7rem;font-weight:700;padding:4px 9px;border-radius:999px;background:var(--brand-soft);color:var(--brand-ink)}.badge.ok{background:var(--ok-soft);color:#056649}.badge.warn{background:var(--warn-soft);color:#92500b}.badge.bad{background:var(--bad-soft);color:#a01a1a}.muted{color:var(--muted)}.tiny{font-size:.76rem}.lead{font-size:.95rem;color:var(--ink-2)}.center{text-align:center}.row{display:flex;align-items:center;gap:10px}.between{justify-content:space-between}.stack{display:flex;flex-direction:column;gap:10px}.divider{height:1px;background:var(--line);margin:14px 0}.hero{position:relative;overflow:hidden;color:#fff;border-radius:var(--r-lg);padding:22px;margin:16px 0 6px;border:1px solid rgba(255,255,255,.25);background:linear-gradient(135deg,#115e59,#0f766e 55%,#14b8a6);box-shadow:0 24px 44px -26px #4c1d95d9}.hero h1{font-size:clamp(1.15rem,4.6vw,1.6rem);margin-bottom:6px}.hero p{margin:0;font-size:.86rem;opacity:.92}.hero .hero-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.hero .btn-ghost{background:#ffffff29;border-color:#ffffff52;color:#fff;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.hero .btn-ghost:hover{background:#ffffff42}.hero-blobs{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none}.hero-blobs i{position:absolute;border-radius:50%;background:#ffffff29}.hero-blobs i:nth-child(1){width:150px;height:150px;top:-60px;inset-inline-end:-30px}.hero-blobs i:nth-child(2){width:90px;height:90px;bottom:-40px;inset-inline-start:20px}.hero-blobs i:nth-child(3){width:50px;height:50px;top:30%;inset-inline-start:45%;opacity:.5}.subject-card{position:relative;overflow:hidden;text-align:start;cursor:pointer;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:16px;box-shadow:var(--clay);transition:transform .2s ease,box-shadow .2s ease}.subject-card:hover{transform:translateY(-3px);box-shadow:0 22px 36px -24px #150e2b8c}.subject-ic{width:46px;height:46px;border-radius:15px;display:grid;place-items:center;margin-bottom:10px}.subject-card h3{font-size:.98rem}.subject-card .sub{font-size:.74rem;color:var(--muted);margin-bottom:10px}.subject-card .bar{margin-top:8px}.unit{border:1px solid var(--line);border-radius:var(--r-md);background:#fff;margin-bottom:10px;overflow:hidden;box-shadow:var(--clay-sm)}.unit-head{display:flex;align-items:center;gap:10px;padding:13px 15px;cursor:pointer;background:#fff;border:0;width:100%;text-align:start}.unit-head b{font-family:var(--font-head);font-size:.92rem}.unit-body{padding:0 12px 12px}.lesson-row{display:flex;align-items:center;gap:10px;padding:11px 12px;border-radius:var(--r-sm);background:var(--bg);margin-bottom:8px;cursor:pointer;transition:transform .18s ease,box-shadow .18s ease}.lesson-row:hover{transform:translateY(-1px);box-shadow:var(--clay-sm)}.lesson-row .num{width:28px;height:28px;border-radius:10px;display:grid;place-items:center;background:#fff;font-size:.75rem;font-weight:700;color:var(--brand-ink);flex:none}.lesson-row .lc{flex:1;min-width:0}.lesson-row .lc b{font-size:.88rem;font-weight:600;display:block}.lesson-row .lc span{font-size:.72rem;color:var(--muted)}.tabs{display:flex;gap:6px;background:#fff;padding:6px;border-radius:18px;border:1px solid var(--line);overflow-x:auto;box-shadow:var(--clay-sm)}.tab{border:0;background:transparent;cursor:pointer;padding:8px 12px;border-radius:13px;font-size:.8rem;font-weight:600;color:var(--muted);white-space:nowrap}.tab.active{background:var(--brand-soft);color:var(--brand-ink)}.points{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}.points li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem}.points li:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--brand-2);margin-top:9px;flex:none}.q-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--clay)}.q-text{font-family:var(--font-head);font-size:.98rem;margin-bottom:14px}.opt{display:flex;align-items:center;gap:10px;width:100%;text-align:start;cursor:pointer;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;margin-bottom:9px;font-size:.9rem;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.opt:hover:not(:disabled){transform:translateY(-1px);box-shadow:var(--clay-sm);background:#fff}.opt .key{width:26px;height:26px;border-radius:9px;background:#fff;display:grid;place-items:center;font-size:.75rem;font-weight:700;flex:none;color:var(--brand-ink)}.opt.correct{background:var(--ok-soft);border-color:#b7eada}.opt.correct .key{background:var(--ok);color:#fff}.opt.wrong{background:var(--bad-soft);border-color:#f6c9c9}.opt.wrong .key{background:var(--bad);color:#fff}.explain{background:var(--brand-soft);border-radius:var(--r-md);padding:12px 14px;font-size:.86rem;color:var(--brand-ink);border-inline-start:4px solid var(--brand-2)}.explain.ok{background:var(--ok-soft);color:#056649;border-inline-start-color:var(--ok)}.quiz-head{display:flex;align-items:center;gap:10px;margin-bottom:12px}.quiz-head .bar{flex:1}.palette{display:flex;flex-wrap:wrap;gap:6px}.pal{width:32px;height:32px;border-radius:11px;border:1px solid var(--line);background:#fff;font-size:.74rem;font-weight:700;cursor:pointer;color:var(--ink-2)}.pal.cur{outline:2px solid var(--brand)}.pal.ok{background:var(--ok-soft);border-color:#b7eada;color:#056649}.pal.bad{background:var(--bad-soft);border-color:#f6c9c9;color:#a01a1a}.clock{display:inline-flex;align-items:center;gap:6px;font-family:var(--font-head);font-weight:700;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 12px}.clock.hot{background:var(--bad-soft);border-color:#f6c9c9;color:#a01a1a}.score-circle{width:132px;height:132px;margin:4px auto 12px;position:relative}.score-circle b{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;font-family:var(--font-head);font-size:2rem}.score-circle span{position:absolute;top:0;right:0;bottom:0;left:0;display:grid;place-items:end center;padding-bottom:22px;font-size:.7rem;color:var(--muted)}.fc-stage{perspective:1200px}.fc-card{position:relative;min-height:260px;width:100%;cursor:pointer;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,.2,.2,1)}.fc-card.flipped{transform:rotateY(180deg)}.fc-face{position:absolute;top:0;right:0;bottom:0;left:0;backface-visibility:hidden;border-radius:var(--r-lg);padding:22px;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;gap:10px;border:1px solid var(--line);box-shadow:var(--clay);background:#fff}.fc-face .tag{font-size:.7rem;font-weight:700;color:var(--brand);background:var(--brand-soft);padding:4px 10px;border-radius:999px}.fc-face q{font-family:var(--font-head);font-size:1.05rem;quotes:none}.fc-back{transform:rotateY(180deg);background:linear-gradient(135deg,#6d28d9,#8b5cf6);color:#fff;border-color:transparent}.fc-back .tag{background:#fff3;color:#fff}.search-box{display:flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:10px 14px;box-shadow:var(--clay-sm)}.search-box input{border:0;outline:0;flex:1;background:transparent}.sr-row{display:flex;gap:10px;align-items:flex-start;padding:12px;border-radius:var(--r-md);border:1px solid var(--line);background:#fff;margin-bottom:9px;cursor:pointer;transition:transform .16s ease}.sr-row:hover{transform:translateY(-1px);box-shadow:var(--clay-sm)}.sr-type{font-size:.68rem;font-weight:700;padding:3px 8px;border-radius:999px;background:var(--brand-soft);color:var(--brand-ink);flex:none}.note{background:var(--warn-soft);border-radius:var(--r-md);padding:12px 14px;margin-bottom:9px;display:flex;gap:10px;align-items:flex-start;border:1px solid #FBE3C2}.note p{margin:0;font-size:.88rem;flex:1}.note button{border:0;background:transparent;cursor:pointer;color:#92500b}.toast-wrap{position:fixed;bottom:92px;inset-inline:0;display:flex;flex-direction:column;align-items:center;gap:8px;z-index:80;pointer-events:none}.toast{background:#150e2b;color:#fff;padding:11px 16px;border-radius:16px;font-size:.84rem;box-shadow:0 18px 30px -18px #000000b3;animation:fadeUp .3s ease both}.toast.ok{background:#056649}.toast.bad{background:#9b1c1c}.install-bar{display:flex;align-items:center;gap:10px;background:linear-gradient(135deg,#ecfdf5,#f1eafe);border:1px solid var(--line);border-radius:var(--r-md);padding:12px 14px;margin-bottom:14px}.install-bar p{margin:0;font-size:.8rem;flex:1}.skeleton{background:linear-gradient(90deg,#f3eafe 25%,#faf5ff 37%,#f3eafe 63%);background-size:400% 100%;animation:sk 1.3s ease infinite;border-radius:var(--r-md);height:96px;margin-bottom:12px}@keyframes sk{0%{background-position:100% 0}to{background-position:0 0}}.sheet{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px}.sheet .qs{counter-reset:n}.sheet .qs>div{margin-bottom:14px;font-size:.92rem}.sheet .opts{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;font-size:.86rem;color:var(--ink-2)}@media print{.topbar,.bottom-nav,.no-print,.hero-blobs,.toast-wrap{display:none!important}body{background:#fff}.app{padding:0}.app:before,.app:after{display:none}.card,.sheet{box-shadow:none;border-color:#ccc}}@media (min-width: 760px){.col-2{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;align-items:start}.card{padding:20px}}@media (max-width: 380px){.grid-2{grid-template-columns:1fr}.brand-text span{display:none}}button:focus-visible,input:focus-visible,.opt:focus-visible,.subject-card:focus-visible{outline:2px solid var(--brand);outline-offset:2px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.001ms!important;transition-duration:.001ms!important}}