:root{--primary:#5b7cfa;--primary2:#7c3aed;--dark:#111827;--muted:#6b7280;--bg:#f5f7fb;--card:#fff;--line:#e5e7eb;--good:#16a34a;--bad:#dc2626;--warn:#f59e0b;--shadow:0 18px 45px rgba(17,24,39,.08);--radius:22px}*{box-sizing:border-box}body{margin:0;font-family:Inter,Segoe UI,Arial,sans-serif;background:radial-gradient(circle at top left,#e9ecff 0,#f5f7fb 40%,#eef2ff 100%);color:var(--dark);min-height:100vh}.topbar{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.88);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 max(18px,calc((100vw - 1180px)/2));box-shadow:0 10px 30px rgba(15,23,42,.04)}.brand{display:flex;align-items:center;text-decoration:none;color:var(--dark);min-width:0}.brand-logo{display:block;height:46px;width:auto;max-width:min(78vw,420px);object-fit:contain}.nav{display:flex;gap:6px;align-items:center}.nav a{text-decoration:none;color:#374151;font-weight:750;padding:11px 13px;border-radius:999px}.nav a:hover,.nav .pill,.admin-link{background:#eef2ff;color:#4338ca}.menu-toggle{display:none;border:0;background:#eef2ff;border-radius:12px;padding:10px 12px;font-size:1.25rem}.page{width:min(1180px,100%);margin:0 auto;padding:18px 18px 32px}.hero{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}.hero-card{background:linear-gradient(135deg,#111827,#312e81 58%,#5b21b6);color:#fff;border-radius:32px;padding:34px;box-shadow:var(--shadow);overflow:hidden;position:relative}.hero-card:after{content:"";position:absolute;width:270px;height:270px;border-radius:50%;right:-80px;top:-80px;background:rgba(255,255,255,.12)}.eyebrow{display:inline-flex;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:8px 12px;font-weight:800;color:#dbeafe}.hero h1{font-size:clamp(2.1rem,5vw,4.2rem);line-height:.98;margin:18px 0}.hero p{color:#e5e7eb;font-size:1.08rem;max-width:680px}.hero-actions,.actions,.card-actions{display:flex;gap:10px;flex-wrap:nowrap;margin-top:22px}.hero-actions .btn,.actions .btn,.card-actions .btn{flex:1 1 0;min-width:0}.btn,button.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;width:auto;padding:12px 16px;border-radius:14px;text-decoration:none;border:0;background:var(--primary);color:#fff;font-weight:900;cursor:pointer;box-shadow:0 8px 0 #3f51d9}.btn.block,button.btn.block{width:100%}.btn:active{transform:translateY(3px);box-shadow:0 5px 0 #3f51d9}.btn.secondary{background:#fff;color:#4338ca;box-shadow:none}.btn.ghost{background:#eef2ff;color:#4338ca;box-shadow:none}.btn.danger{background:var(--bad);box-shadow:0 8px 0 #991b1b}.panel,.card,.form-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.panel{padding:22px}.stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.status-panel h2{text-align:center;margin:0 0 18px}.stat{padding:18px;border-radius:18px;background:#f8fafc;border:1px solid var(--line);text-align:center;display:flex;flex-direction:column;justify-content:center;align-items:center}.stat strong{font-size:2rem;display:block;line-height:1.05;text-align:center}.stat span{color:var(--muted);font-weight:800;text-align:center}.section-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 14px}.section-title h2{margin:0;font-size:1.55rem}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.category-card{padding:18px;position:relative;overflow:hidden;display:flex;flex-direction:column}.category-cover{height:150px;border-radius:18px;background:#dbeafe;overflow:hidden;margin-bottom:14px;position:relative}.category-cover img{width:100%;height:100%;object-fit:cover}.badge{display:inline-flex;border-radius:999px;padding:6px 10px;background:#eef2ff;color:#4338ca;font-weight:900;font-size:.78rem}.badge.overlay{position:absolute;top:12px;left:12px;z-index:2;background:rgba(79,70,229,.95);color:#fff;box-shadow:0 10px 22px rgba(67,56,202,.25)}.card h3{margin:10px 0 8px}.card p{color:var(--muted);line-height:1.55}.category-card p{margin-bottom:16px}.category-card .card-actions{margin-top:auto}.meta{display:flex;gap:8px;flex-wrap:wrap;color:var(--muted);font-weight:800;font-size:.88rem}.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;max-width:100%}.ranking-table{width:100%;min-width:560px;border-collapse:separate;border-spacing:0 6px}.ranking-table th{text-align:left;color:var(--muted);font-size:.84rem;padding:0 10px}.ranking-table td{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 10px;font-weight:800}.ranking-table th:nth-child(1),.ranking-table td:nth-child(1),.ranking-table th:nth-child(n+3),.ranking-table td:nth-child(n+3){text-align:center}.ranking-table td:first-child{border-left:1px solid var(--line);border-radius:14px 0 0 14px}.ranking-table td:last-child{border-right:1px solid var(--line);border-radius:0 14px 14px 0}.form-card{width:min(520px,100%);margin:20px auto;padding:24px}.field{margin:12px 0}.field label{display:block;font-weight:900;margin-bottom:7px}.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:14px;min-height:46px;padding:12px;background:#fff;font:inherit}.field textarea{min-height:110px}.alert{padding:13px 16px;border-radius:14px;margin-bottom:14px;font-weight:800}.alert.success{background:#dcfce7;color:#166534}.alert.error{background:#fee2e2;color:#991b1b}.alert.info{background:#dbeafe;color:#1e3a8a}.admin-layout{display:grid;grid-template-columns:240px 1fr;gap:18px}.sidebar{padding:16px;align-self:start;position:sticky;top:92px}.sidebar a{display:block;text-decoration:none;color:#374151;font-weight:900;padding:12px;border-radius:14px}.sidebar a:hover{background:#eef2ff;color:#4338ca}.admin-table{width:100%;border-collapse:collapse}.admin-table th,.admin-table td{border-bottom:1px solid var(--line);padding:12px;text-align:left;vertical-align:middle}.thumb{width:58px;height:58px;border-radius:14px;object-fit:cover;background:#eef2ff}.game-shell{max-width:980px;margin:auto}.game-top{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}.score-box{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;text-align:center;box-shadow:var(--shadow)}.score-label{display:block;color:var(--muted);font-weight:900;font-size:.78rem}.score-value{font-weight:950;font-size:1.45rem;color:#4338ca}.game-area{display:grid;grid-template-columns:minmax(280px,460px) 1fr;gap:20px;align-items:start}.scratch-area{position:relative;width:100%;padding-top:100%;background:#ddd;border-radius:24px;overflow:hidden;box-shadow:var(--shadow);border:6px solid #fff;touch-action:none}.scratch-area img,#scratch-canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}#scratch-canvas{cursor:crosshair}.options-grid{display:grid;grid-template-columns:1fr;gap:12px}.option-btn{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;border:0;padding:16px;border-radius:16px;font-size:1rem;font-weight:950;cursor:pointer;box-shadow:0 6px 0 #4338ca}.option-btn.correct{background:var(--good);box-shadow:0 6px 0 #166534}.option-btn.wrong{background:var(--bad);box-shadow:0 6px 0 #991b1b}.option-btn:disabled{opacity:.9}.popup{display:none;position:fixed;inset:0;background:rgba(15,23,42,.72);align-items:center;justify-content:center;z-index:100}.popup.show{display:flex}.popup-content{background:#fff;padding:28px;border-radius:26px;text-align:center;width:min(340px,88%);box-shadow:var(--shadow)}.empty{padding:28px;text-align:center;color:var(--muted);font-weight:900}@media(max-width:860px){.hero,.game-area,.admin-layout{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.game-top{grid-template-columns:repeat(2,1fr)}.sidebar{position:static}.nav{position:fixed;top:72px;left:12px;right:12px;background:#fff;border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);padding:12px;display:none;flex-direction:column;align-items:stretch}.menu-open .nav{display:flex}.menu-toggle{display:block}.nav a{text-align:center}.hero-card{padding:24px}.page{padding:14px 12px 24px}.section-title{margin-top:10px}.panel{padding:18px}}@media(max-width:560px){.grid{grid-template-columns:1fr}.stat-grid{grid-template-columns:repeat(2,1fr)}.category-cover{height:180px}.options-grid{grid-template-columns:1fr}.game-top{grid-template-columns:repeat(2,1fr)}.ranking-table{min-width:520px;font-size:.86rem;border-spacing:0 4px}.ranking-table th{padding:0 7px}.ranking-table td{padding:10px 7px}.home-ranking .ranking-table{min-width:100%;font-size:.82rem}.home-ranking .ranking-table th,.home-ranking .ranking-table td{padding:9px 5px}.admin-table{display:block;overflow-x:auto}.hero-actions,.actions,.card-actions{flex-wrap:wrap}.hero-actions .btn,.actions .btn,.card-actions .btn,.category-card .btn{flex:1 1 100%;width:100%}.topbar{padding:0 12px}.brand-logo{height:38px;max-width:min(72vw,280px)}.section-title h2{font-size:1.25rem}.panel{padding:14px}.table-wrap{padding:8px}}

.auth-shell{width:min(560px,100%);margin:0 auto;padding-top:12px}.auth-card{padding:30px 22px}.auth-card h1{margin:0 0 8px;font-size:2rem;line-height:1.05}.auth-subtitle{margin:0 0 22px;color:var(--muted);line-height:1.55}.auth-actions{margin-top:18px}.auth-actions .btn{width:100%}.form-note{margin-top:18px;padding:14px 16px;border-radius:16px;background:#f8fafc;border:1px solid var(--line);color:#374151;line-height:1.5}.form-note strong{color:#111827}.form-switch{margin-top:18px;text-align:center;color:var(--muted);font-weight:700}.form-switch a{color:#4338ca;text-decoration:none;font-weight:900}.field input::placeholder,.field textarea::placeholder{color:#9ca3af}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:#818cf8;box-shadow:0 0 0 4px rgba(129,140,248,.16)}@media(max-width:560px){.auth-card{padding:24px 16px}.auth-card h1{font-size:1.75rem}.auth-subtitle{font-size:.95rem}}

html,body{overflow-x:hidden}.panel{max-width:100%}

.app-modal{display:none;position:fixed;inset:0;z-index:200;background:rgba(15,23,42,.68);backdrop-filter:blur(8px);align-items:center;justify-content:center;padding:18px}.app-modal.show{display:flex}.app-modal-card{position:relative;width:min(430px,100%);background:#fff;border:1px solid rgba(229,231,235,.9);border-radius:24px;box-shadow:0 28px 70px rgba(17,24,39,.22);padding:26px;text-align:left;animation:modal-pop .18s ease-out}.app-modal-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border:0;border-radius:12px;background:#eef2ff;color:#4338ca;font-size:1.5rem;line-height:1;cursor:pointer}.app-modal-kicker{display:inline-flex;margin-bottom:10px;border-radius:999px;padding:7px 11px;background:#eef2ff;color:#4338ca;font-weight:950;font-size:.78rem}.app-modal-card h2{margin:0 42px 10px 0;font-size:1.55rem;line-height:1.15}.app-modal-card p{margin:0;color:#4b5563;line-height:1.55;font-weight:700}.app-modal-actions{display:flex;gap:10px;margin-top:22px}.app-modal-actions .btn{flex:1;box-shadow:none}.app-modal-actions .btn:not(.ghost){box-shadow:0 8px 0 #3f51d9}@keyframes modal-pop{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@media(max-width:560px){.app-modal-card{padding:22px 16px}.app-modal-actions{flex-direction:column}.app-modal-card h2{font-size:1.35rem}}