@keyframes popIn{0%{transform:scale(.5);opacity:0}70%{transform:scale(1.15)}to{transform:scale(1);opacity:1}}:root{--navy: #1a237e;--navy-dk: #0d1257;--orange: #F47920;--orange-dk: #c85e0a;--bg: #eef0f8;--card: #ffffff;--green: #2e7d32;--blue: #1565c0;--purple: #4527a0;--teal: #00695c;--red: #c62828;--grey: #888;--border: #e0e4ef;--shadow: 0 2px 10px rgba(0,0,0,.07);--radius-lg: 18px;--radius-md: 14px;--radius-sm: 10px;--nav-h: 62px;--header-h: 56px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;text-size-adjust:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:#1a1a2e;min-height:100dvh;overflow-x:hidden;-webkit-tap-highlight-color:transparent}button{font-family:inherit;cursor:pointer}input{font-family:inherit}#root{min-height:100dvh;display:flex;flex-direction:column}.screen{min-height:100dvh;display:flex;flex-direction:column;background:var(--bg)}.app-header{background:var(--navy);color:#fff;height:var(--header-h);display:flex;align-items:center;padding:0 16px;gap:10px;flex-shrink:0;position:sticky;top:0;z-index:100}.app-header .back-btn{background:none;border:none;color:#fff;font-size:20px;padding:6px;margin-left:-6px;opacity:.85}.app-header .header-title{font-size:17px;font-weight:700;flex:1}.app-header .header-right{display:flex;gap:8px;align-items:center}.content{flex:1;overflow-y:auto;padding:16px;padding-bottom:calc(var(--nav-h) + 16px)}.content.no-nav{padding-bottom:calc(var(--nav-h) + 16px)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-h);background:#fff;border-top:1px solid var(--border);display:flex;z-index:200;box-shadow:0 -2px 12px #0000000f}.nav-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:none;border:none;color:#aaa;font-size:11px;font-weight:600;transition:color .15s;padding-bottom:env(safe-area-inset-bottom,0px)}.nav-item .nav-icon{font-size:22px}.nav-item.active{color:var(--navy)}.card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow);overflow:hidden}.card-body{padding:16px}.menu-card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:18px 16px;display:flex;align-items:center;gap:14px;border:none;width:100%;text-align:left;transition:transform .12s,box-shadow .12s;cursor:pointer}.menu-card:active{transform:scale(.97);box-shadow:0 1px 4px #0000000f}.menu-card-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:24px;flex-shrink:0}.menu-card-text{flex:1}.menu-card-title{font-size:15px;font-weight:700;color:#1a1a2e;margin-bottom:2px}.menu-card-sub{font-size:11px;color:var(--grey);font-weight:600;letter-spacing:.4px;text-transform:uppercase}.menu-card-arrow{font-size:16px;color:#ccc}.section-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:var(--grey);margin-bottom:10px;margin-top:4px}.landing{min-height:100dvh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:var(--navy);padding:32px 24px}.landing-wizard{font-size:72px;margin-bottom:8px}.landing-title{font-size:28px;font-weight:800;color:#fff;margin-bottom:4px}.landing-sub{font-size:14px;color:#fff9;margin-bottom:40px;letter-spacing:.3px}.landing-buttons{display:flex;flex-direction:column;gap:12px;width:100%;max-width:320px}.btn{padding:14px 20px;border-radius:var(--radius-md);border:none;font-size:15px;font-weight:700;cursor:pointer;transition:opacity .15s,transform .1s;width:100%}.btn:active{transform:scale(.97)}.btn-primary{background:var(--orange);color:#fff}.btn-secondary{background:#ffffff26;color:#fff;border:1.5px solid rgba(255,255,255,.3)}.btn-outline{background:#fff;color:var(--navy);border:1.5px solid var(--border)}.btn-navy{background:var(--navy);color:#fff}.btn-red{background:var(--red);color:#fff}.btn:disabled{opacity:.45;cursor:not-allowed}.login-screen{min-height:100dvh;display:flex;flex-direction:column;background:var(--navy)}.login-header{padding:48px 24px 24px;text-align:center}.login-header .avatar{font-size:48px;margin-bottom:8px}.login-header .title{font-size:22px;font-weight:800;color:#fff}.login-header .sub{font-size:13px;color:#fff9;margin-top:4px}.login-body{flex:1;background:var(--bg);border-radius:24px 24px 0 0;padding:24px 20px;display:flex;flex-direction:column;gap:12px}.field{display:flex;flex-direction:column;gap:5px}.field label{font-size:12px;font-weight:700;color:#555;text-transform:uppercase;letter-spacing:.5px}.field input{padding:12px 14px;border-radius:var(--radius-sm);border:1.5px solid var(--border);font-size:15px;background:#fff;outline:none;transition:border-color .15s}.field input:focus{border-color:var(--navy)}.field .hint{font-size:11px;color:var(--grey);min-height:16px}.pin-dots{display:flex;justify-content:center;gap:12px;margin:8px 0}.pin-dot{width:16px;height:16px;border-radius:50%;border:2px solid var(--navy);background:#fff;transition:background .12s}.pin-dot.filled{background:var(--navy)}.numpad{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;max-width:280px;margin:0 auto}.nkey{padding:16px 0;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:#fff;font-size:22px;font-weight:700;color:#222;transition:background .1s,transform .1s}.nkey:active{background:#e8eaf6;transform:scale(.93)}.nkey.del{font-size:16px;color:var(--red)}.nkey.hidden{visibility:hidden}.err{color:var(--red);font-size:12px;text-align:center;min-height:18px}.tab-bar{display:flex;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;background:#fff;border-bottom:1px solid var(--border);flex-shrink:0}.tab-bar::-webkit-scrollbar{display:none}.tab-btn{flex-shrink:0;padding:12px 14px;background:none;border:none;font-size:13px;font-weight:600;color:var(--grey);border-bottom:3px solid transparent;white-space:nowrap;transition:color .15s,border-color .15s}.tab-btn.active{color:var(--navy);border-bottom-color:var(--navy)}.stats-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:16px}.stat-card{background:var(--card);border-radius:var(--radius-md);padding:14px 8px;text-align:center;box-shadow:var(--shadow)}.stat-val{font-size:22px;font-weight:900;color:var(--navy)}.stat-val.or{color:var(--orange)}.stat-val.gr{color:var(--green)}.stat-lbl{font-size:10px;color:var(--grey);margin-top:2px;font-weight:600;text-transform:uppercase}.data-table{width:100%;border-collapse:collapse;font-size:13px}.data-table th{text-align:left;padding:8px 10px;font-size:10px;font-weight:700;color:var(--grey);text-transform:uppercase;letter-spacing:.5px;border-bottom:1.5px solid var(--border)}.data-table td{padding:10px;border-bottom:1px solid var(--border)}.data-table tr:last-child td{border-bottom:none}.loading{text-align:center;color:var(--grey);padding:32px;font-size:14px}.empty{text-align:center;color:var(--grey);padding:32px;font-size:13px}.badge{display:inline-block;padding:2px 10px;border-radius:20px;font-size:11px;font-weight:700}.badge-navy{background:#e8eaf6;color:var(--navy)}.badge-green{background:#e8f5e9;color:var(--green)}.badge-orange{background:#fff3e0;color:var(--orange-dk)}.toast{position:fixed;bottom:calc(var(--nav-h) + 12px);left:50%;transform:translate(-50%);background:#1a1a2e;color:#fff;padding:10px 20px;border-radius:20px;font-size:13px;font-weight:600;z-index:999;pointer-events:none;opacity:1;transition:opacity .3s;white-space:nowrap;max-width:90vw}.toast.hide{opacity:0}.update-banner{background:var(--orange);color:#fff;text-align:center;padding:10px;font-size:13px;font-weight:600;cursor:pointer}.icon-bg-green{background:#e8f5e9}.icon-bg-blue{background:#e3f2fd}.icon-bg-orange{background:#fff3e0}.icon-bg-purple{background:#f3e5f5}.icon-bg-teal{background:#e0f2f1}.icon-bg-navy{background:#e8eaf6}.drill-timer{font-size:80px;font-weight:900;color:#e0e0e0;text-align:center;letter-spacing:-4px;line-height:1;margin:20px 0}.drill-card{background:#fff;border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow);text-align:center}.drill-card .drill-title{font-size:10px;font-weight:700;letter-spacing:1px;color:var(--grey);text-transform:uppercase;margin-bottom:8px}.drill-card .drill-body{font-size:15px;color:#444;line-height:1.7}.drill-card .drill-body strong{color:var(--navy)}.ans-row{display:flex;gap:10px;align-items:center;margin-top:12px}.ans-input{flex:1;font-size:28px;font-weight:900;text-align:center;padding:12px;border-radius:var(--radius-sm);border:2px solid var(--border);outline:none;color:#222;background:#fff}.ans-input:focus{border-color:var(--orange)}.ans-input.correct{border-color:var(--green);background:#e8f5e9}.ans-input.wrong{border-color:var(--red);background:#fceaea}.check-btn{padding:12px 20px;border-radius:var(--radius-sm);border:none;background:var(--orange);color:#fff;font-size:16px;font-weight:700}.check-btn:disabled{opacity:.45}.feedback{text-align:center;padding:12px;border-radius:var(--radius-sm);font-size:15px;font-weight:700;margin-top:8px}.feedback.correct{background:#e8f5e9;color:var(--green)}.feedback.wrong{background:#fceaea;color:var(--red)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}@supports (padding: env(safe-area-inset-bottom)){.bottom-nav{height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom)}.content{padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom) + 16px)}}@media (min-width: 600px){:root{--header-h: 60px;--nav-h: 68px}.screen,.login-screen{min-height:100dvh}.content,.content.no-nav{padding:20px 24px}.content{padding-bottom:calc(var(--nav-h) + 20px)}.home-cards-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.menu-card-title{font-size:16px}.menu-card-icon{width:52px;height:52px;font-size:26px}.btn{font-size:16px;padding:16px 20px}.header-title{font-size:19px}.tab-btn{font-size:14px;padding:14px 18px}.grid-2{gap:16px}.grid-3{gap:12px}.stat-val{font-size:26px}.stat-lbl{font-size:11px}}@media (min-width: 1024px){:root{--header-h: 64px;--nav-h: 72px}html,body{height:100%;overflow:hidden;background:#e8eaf6}#root{max-width:1100px;width:100%;height:100dvh;margin:0 auto;overflow:hidden;box-shadow:0 0 40px #0000001a;background:var(--bg);display:flex;flex-direction:column}.screen{height:100dvh;min-height:unset;overflow:hidden;display:flex;flex-direction:column}.content{flex:1;overflow-y:auto;padding:24px 32px;padding-bottom:calc(var(--nav-h) + 24px);height:0}.content.no-nav{padding:24px 32px}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:1100px;max-width:1100px}.menu-card-title{font-size:17px}.menu-card-icon{width:56px;height:56px;font-size:28px;border-radius:16px}.header-title{font-size:20px}.tab-btn{font-size:14px;padding:14px 20px}.btn{font-size:16px}.home-cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.ans-input{font-size:32px}}@media (min-width: 1440px){:root{--header-h: 68px;--nav-h: 76px}#root{max-width:1400px;height:100dvh}.bottom-nav{width:1400px;max-width:1400px}.content{padding:32px 56px;padding-bottom:calc(var(--nav-h) + 32px)}.content.no-nav{padding:32px 56px}.menu-card{padding:24px 20px}.menu-card-title{font-size:18px}.menu-card-icon{width:64px;height:64px;font-size:30px}.menu-card-sub{font-size:12px}.header-title{font-size:22px}.tab-btn{font-size:15px;padding:16px 24px}.btn{font-size:17px;padding:18px 24px}.stat-val{font-size:30px}.stat-card{padding:20px 12px}.home-cards-grid{grid-template-columns:repeat(4,1fr);gap:20px}.drill-timer{font-size:130px}.ans-input{font-size:36px;padding:16px}.nkey{padding:20px 0;font-size:26px}.section-label{font-size:12px;margin-bottom:14px}}