:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#172033;background:#f1f5f9}*{box-sizing:border-box}body{margin:0;background:linear-gradient(180deg,color-mix(in srgb,var(--brand) 12%,#fff),#f8fafc 32%);min-height:100vh}.shell{max-width:680px;margin:auto;min-height:100vh;padding:18px 16px 92px}.top{display:flex;justify-content:space-between;align-items:center;gap:12px}.brand h1{font-size:1.35rem;margin:0}.brand small{color:#64748b}.iconbtn,.btn{border:0;border-radius:14px;padding:11px 14px;background:white;box-shadow:0 4px 18px #0f172a12;color:#172033;font-weight:700;cursor:pointer}.btn.primary{background:var(--brand);color:white}.btn:disabled{opacity:.5}.hero{margin:20px 0;background:var(--brand);color:white;border-radius:24px;padding:20px;box-shadow:0 16px 36px color-mix(in srgb,var(--brand) 30%,transparent)}.hero-row{display:flex;justify-content:space-between;align-items:flex-start}.streak{background:#ffffff24;border:1px solid #ffffff30;border-radius:13px;padding:8px 12px}.progress{height:10px;background:#ffffff35;border-radius:99px;overflow:hidden;margin-top:15px}.progress>i{display:block;background:#fff;height:100%;border-radius:99px}.tabs{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:min(680px,100%);padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:#ffffffed;backdrop-filter:blur(16px);border-top:1px solid #e2e8f0;z-index:5}.tab{border:0;background:transparent;padding:8px 2px;color:#64748b;font-weight:700;font-size:.76rem}.tab.active{color:var(--brand)}.panel{display:none}.panel.active{display:block}.card{background:#fff;border:1px solid #e6ebf2;border-radius:20px;padding:18px;margin:12px 0;box-shadow:0 5px 20px #0f172a08}.card h3{margin:0 0 8px}.arabic{font-family:"Noto Naskh Arabic","Traditional Arabic",serif;font-size:2rem;line-height:1.8;text-align:right;direction:rtl;color:#101827}.trans{color:#475569}.meaning{font-weight:700}.actions{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.choice{display:block;width:100%;text-align:left;border:1px solid #dbe3ee;background:#fff;border-radius:14px;padding:13px;margin:8px 0;font-size:1rem}.choice.correct{border-color:#16a34a;background:#f0fdf4}.choice.wrong{border-color:#dc2626;background:#fef2f2}.notice{padding:12px;border-radius:13px;background:#fff7ed;color:#9a3412;margin:10px 0}.success{background:#ecfdf5;color:#047857}.timer{text-align:center;font-size:2.5rem;font-weight:800;font-variant-numeric:tabular-nums}.count{font-size:4rem;text-align:center;color:var(--brand);font-weight:900}.tap{display:block;width:190px;height:190px;margin:18px auto;border-radius:50%;border:9px solid color-mix(in srgb,var(--brand) 25%,#fff);background:var(--brand);color:white;font-size:1.25rem;font-weight:800;box-shadow:0 12px 30px color-mix(in srgb,var(--brand) 32%,transparent)}.install{display:none}.loading{text-align:center;padding:30vh 0;color:#64748b}.badge{display:inline-block;background:#eef2ff;border-radius:99px;padding:5px 10px;color:#4338ca;font-size:.78rem;font-weight:700}.section-title{margin:22px 2px 8px}.muted{color:#64748b}.row{display:flex;justify-content:space-between;align-items:center;gap:10px}@media(max-width:380px){.shell{padding-left:11px;padding-right:11px}.hero{padding:16px}.arabic{font-size:1.65rem}}