@import"https://fonts.googleapis.com/css2?family=Manrope:wght@400;500;600;700;800&display=swap";:root{--bg: #f4f7fc;--surface: #ffffff;--text: #0f172a;--text-secondary: #334155;--muted: #64748b;--primary: #2563eb;--primary-dark: #1d4ed8;--accent: #0ea5e9;--border: #e2e8f0;--danger: #dc2626;--success: #16a34a;--shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);--shadow: 0 8px 32px rgba(15, 23, 42, .08);--shadow-lg: 0 18px 52px rgba(15, 23, 42, .12);--radius: 16px;--radius-sm: 10px;--transition: .18s ease}*,*:before,*:after{box-sizing:border-box}@media (prefers-reduced-motion: reduce){*,*:before,*:after{transition-duration:.01ms!important;animation-duration:.01ms!important}}body{margin:0;font-family:Manrope,system-ui,sans-serif;font-size:16px;background:var(--bg);color:var(--text);line-height:1.55;-webkit-font-smoothing:antialiased}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;z-index:-1;background:radial-gradient(circle at 12% 10%,rgba(37,99,235,.13),transparent 28%),radial-gradient(circle at 88% 12%,rgba(14,165,233,.11),transparent 24%),linear-gradient(180deg,#f8fbff,#eef5ff 45%,#f8fafc)}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{line-height:1.25;color:var(--text);margin-top:0}h1{font-size:clamp(24px,4vw,32px);font-weight:800;letter-spacing:-.03em}h2{font-size:clamp(18px,3vw,22px);font-weight:700}h3{font-size:16px;font-weight:700}.container{width:min(1120px,92vw);margin:0 auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:none;border-radius:12px;padding:11px 20px;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer;transition:transform var(--transition),box-shadow var(--transition),background var(--transition),border-color var(--transition);white-space:nowrap;text-decoration:none!important}.btn:hover{transform:translateY(-1px)}.btn:active{transform:translateY(0)}.btn:disabled{cursor:not-allowed;opacity:.55;transform:none!important;box-shadow:none!important}.btn-primary{background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;box-shadow:0 6px 20px #2563eb4d}.btn-primary:hover{box-shadow:0 12px 30px #2563eb66}.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border)}.btn-secondary:hover{border-color:#bfdbfe;color:var(--primary-dark)}.btn-ghost{background:transparent;color:var(--primary);border:1.5px solid transparent}.btn-ghost:hover{border-color:#bfdbfe;background:#eff6ff}.btn-danger{background:#fef2f2;color:var(--danger);border:1.5px solid #fecaca}.btn-danger:hover{background:#fee2e2}.btn-sm{padding:6px 12px;font-size:13px;border-radius:8px}.input,select.input,.select,.textarea{width:100%;border:1.5px solid var(--border);border-radius:12px;padding:11px 14px;font:inherit;font-size:15px;background:#fff;color:var(--text);transition:border-color var(--transition),box-shadow var(--transition);-moz-appearance:none;appearance:none;-webkit-appearance:none}select.input,.select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px;cursor:pointer}.input:focus,select.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #2563eb1f}.input::placeholder{color:#94a3b8}.input--dark{background:#ffffff1f;border-color:#ffffff38;color:#fff}.input--dark::placeholder{color:#ffffff8c}.input--dark:focus{border-color:#fff9;box-shadow:0 0 0 4px #ffffff1a}.answer-input{max-width:520px}.card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.card:hover{transform:translateY(-2px);border-color:#bfdbfe;box-shadow:var(--shadow-lg)}.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 0;position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);background:#f4f7fcd1;border-bottom:1px solid rgba(226,232,240,.7)}.nav-brand{font-size:20px;font-weight:800;color:var(--text);text-decoration:none;display:inline-flex;align-items:center;gap:10px;white-space:nowrap}.nav-brand:before{content:"";width:32px;height:32px;flex-shrink:0;border-radius:10px;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 6px 20px #2563eb47}.nav-links{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.hero{padding:56px 0 48px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}.hero h1{font-size:clamp(28px,4.5vw,50px);line-height:1.08;margin-bottom:16px;letter-spacing:-.04em}.hero-cta{display:flex;gap:12px;margin-top:28px;flex-wrap:wrap}.hero-panel{background:linear-gradient(160deg,#1e3a8a,#2563eb 45%,#0ea5e9);color:#fff;border-radius:20px;padding:28px;box-shadow:0 24px 60px #2563eb47;position:relative;overflow:hidden}.hero-panel:after{content:"";position:absolute;right:-70px;top:-70px;width:200px;height:200px;border-radius:50%;background:#ffffff1f;pointer-events:none}.hero-panel .link-btn{border:none;background:none;padding:0;font:inherit;font-weight:700;color:#fff;text-decoration:underline;cursor:pointer}.hero-panel .link-btn:hover{opacity:.8}.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:20px}.tab{padding:9px 18px;border-radius:999px;border:1.5px solid var(--border);background:#fff;cursor:pointer;font-family:inherit;font-size:14px;font-weight:600;color:var(--muted);transition:background var(--transition),color var(--transition),border-color var(--transition)}.tab:hover{border-color:#bfdbfe;color:var(--primary)}.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}.test-list{display:grid;gap:10px}.test-item{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 20px;border:1.5px solid var(--border);border-radius:12px;background:#fff;transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition)}.test-item:hover{transform:translateY(-1px);border-color:#bfdbfe;box-shadow:var(--shadow-sm)}.test-item>div:first-child{min-width:0}.test-item>div:first-child strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.grid-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.muted{color:var(--muted)}.error-text{color:#c62828}.badge{display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#eff6ff;color:var(--primary)}.question-card{border:1.5px solid var(--border);border-left:4px solid #bfdbfe;border-radius:12px;padding:20px 20px 16px;margin-bottom:12px;background:#fff;transition:border-color var(--transition),box-shadow var(--transition)}.question-card:focus-within{border-left-color:var(--primary);box-shadow:var(--shadow-sm)}.question-card h3{line-height:1.45;margin-bottom:14px;font-size:15px;color:var(--text)}.choices{display:grid;gap:8px}.choice{display:flex;align-items:center;gap:10px;padding:11px 14px;border:1.5px solid var(--border);border-radius:10px;cursor:pointer;background:#fafcff;transition:background var(--transition),border-color var(--transition)}.choice:hover{border-color:#bfdbfe;background:#f0f6ff}.choice:has(input:checked){border-color:var(--primary);background:#eff6ff}.choice:has(input:checked):hover{background:#e8f0fe}.choice-content{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:15px}.prompt-images{display:flex;flex-direction:column;gap:12px;margin:12px 0 16px}.prompt-image{max-width:100%;width:100%;height:auto;max-height:460px;object-fit:contain;border-radius:10px;border:1.5px solid var(--border);background:#fafafa;display:block}.choice-image{max-width:200px;max-height:160px;object-fit:contain;border-radius:6px;border:1px solid var(--border)}.ordering-container{margin-top:4px}.ordering-chain{display:flex;flex-wrap:wrap;align-items:center;gap:0;padding:4px 0}.ordering-chain-slot{display:flex;align-items:center}.ordering-arrow-sep{font-size:20px;color:var(--primary);opacity:.5;padding:0 6px;flex-shrink:0;-webkit-user-select:none;user-select:none}.ordering-chip{background:#fff;border:2px solid var(--border);border-radius:12px;cursor:grab;-webkit-user-select:none;user-select:none;transition:box-shadow var(--transition),border-color var(--transition),background var(--transition),transform var(--transition);min-width:120px;max-width:220px}.ordering-chip:hover{border-color:#93c5fd;box-shadow:0 4px 14px #2563eb24;background:#f8fbff}.ordering-chip--dragging{opacity:.5;cursor:grabbing;transform:scale(.97)}.ordering-chip--over{border-color:var(--primary);background:#eff6ff;box-shadow:0 0 0 3px #2563eb2e}.ordering-chip-body{display:flex;align-items:center;gap:6px;padding:10px 12px 6px}.ordering-chip-grip{color:var(--muted);font-size:14px;opacity:.4;flex-shrink:0}.ordering-chip-text{font-size:14px;font-weight:600;line-height:1.35;color:var(--text);word-break:break-word}.ordering-chip-btns{display:flex;gap:4px;padding:4px 8px 8px;justify-content:flex-end}.ordering-chip-btn{padding:3px 8px;border:1.5px solid var(--border);border-radius:6px;background:#f8fafc;cursor:pointer;font-size:11px;line-height:1;color:var(--muted);font-family:inherit;transition:background var(--transition),border-color var(--transition),color var(--transition)}.ordering-chip-btn:hover:not(:disabled){background:#eff6ff;border-color:#93c5fd;color:var(--primary)}.ordering-chip-btn:disabled{opacity:.3;cursor:default}.ordering-sequence-label{margin-top:14px;padding:10px 14px;background:#f8fafc;border:1.5px solid var(--border);border-radius:10px;line-height:1.6;font-size:13px}@media (max-width: 600px){.ordering-chain{flex-direction:column;align-items:stretch;gap:0}.ordering-chain-slot{flex-direction:column;align-items:stretch}.ordering-arrow-sep{text-align:center;padding:2px 0;font-size:18px;transform:rotate(90deg)}.ordering-chip{max-width:100%;min-width:unset}.ordering-chip-btns{justify-content:flex-start}.ordering-chip-btn{padding:4px 14px;font-size:13px}}.test-progress-card{display:grid;grid-template-columns:minmax(160px,auto) 1fr;align-items:center;gap:20px;padding:16px 20px;margin-bottom:16px;border:1.5px solid var(--border);border-radius:var(--radius);background:#ffffffe6;box-shadow:var(--shadow);position:sticky;top:64px;z-index:10}.progress-bar{height:10px;overflow:hidden;border-radius:999px;background:#e2e8f0}.progress-bar span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .3s ease}.test-submit-bar{margin-top:24px}.result-list{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:10px}.result-item{border-radius:12px;padding:14px 16px;border:1.5px solid var(--border)}.result-item--ok{background:#f0fdf4;border-color:#bbf7d0}.result-item--bad{background:#fef2f2;border-color:#fecaca}.result-item-head{display:flex;gap:10px;align-items:flex-start;margin-bottom:8px}.result-item-num{flex-shrink:0;width:28px;height:28px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}.result-item--ok .result-item-num{background:#16a34a;color:#fff}.result-item--bad .result-item-num{background:#dc2626;color:#fff}.result-item-answer{margin:0;font-size:15px;line-height:1.5}.result-item-kind{color:var(--muted);font-weight:500}.result-item-explanation{margin:10px 0 0;font-size:14px;line-height:1.55;color:#7f1d1d;padding:8px 12px;background:#fff5f5;border-radius:8px}.result-item-head strong{line-height:1.4}.demo-banner{background:#eff6ff;color:var(--primary-dark);padding:10px 14px;border-radius:10px;font-weight:600;margin-bottom:16px;border:1px solid #bfdbfe;font-size:14px}.demo-card{display:flex;flex-direction:column}.watermark{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;display:flex;align-items:center;justify-content:center;opacity:.05;font-size:48px;font-weight:800;transform:rotate(-18deg);z-index:0}.test-layout{position:relative;z-index:1}.subscribe-layout{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px;align-items:start}.subscribe-plans{display:grid;gap:10px}.subscribe-plan-option{display:flex;gap:12px;align-items:flex-start;padding:14px 16px;border:2px solid var(--border);border-radius:12px;cursor:pointer;transition:border-color var(--transition),background var(--transition)}.subscribe-plan-option:hover{border-color:#bfdbfe}.subscribe-plan-option--active{border-color:var(--primary);background:#eff6ff}.subscribe-plan-option input{margin-top:4px}.subscribe-summary{display:grid;grid-template-columns:auto 1fr;gap:8px 16px;margin:0 0 16px}.subscribe-summary dt{color:var(--muted);font-weight:600}.subscribe-summary dd{margin:0;text-align:right}.subscribe-summary-total{font-size:22px;font-weight:800;color:var(--primary-dark)}.subscribe-stub-note{font-size:13px;color:var(--muted);background:#f8fafc;border-radius:10px;border:1px solid var(--border);padding:10px 14px;margin-bottom:16px;line-height:1.5}.sub-active-badge{display:inline-block;padding:8px 14px;border-radius:999px;background:#f0fdf4;border:1.5px solid #bbf7d0;color:#166534;font-weight:600;margin-bottom:16px;font-size:14px}.paywall-plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;margin-top:20px}.paywall-price{font-size:28px;font-weight:800;margin:8px 0}.paywall-compact h2{font-size:1.25rem}.cabinet-sub-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-bottom:20px;padding:16px 20px;background:#fff;border:1.5px solid #fde68a;border-radius:12px;background:#fffbeb}.subscribe-cta-card{text-align:center;padding:8px 0}.toast{position:fixed;top:20px;right:20px;z-index:1000;display:flex;align-items:center;gap:12px;max-width:min(420px,calc(100vw - 40px));padding:14px 16px;border-radius:12px;box-shadow:0 16px 40px #0f172a2e;animation:toast-in .25s ease;font-size:14px;font-weight:600}.toast-success{background:#f0fdf4;border:1.5px solid #bbf7d0;color:#166534}.toast-error{background:#fef2f2;border:1.5px solid #fecaca;color:#991b1b}.toast-close{border:none;background:transparent;font-size:18px;line-height:1;cursor:pointer;color:inherit;opacity:.6;padding:0 4px;flex-shrink:0}.toast-close:hover{opacity:1}@keyframes toast-in{0%{opacity:0;transform:translate(16px)}to{opacity:1;transform:translate(0)}}.mistake-card{border:1.5px solid #fecaca;background:#fff5f5;border-radius:12px;padding:16px}.checkbox-line{display:inline-flex;align-items:center;gap:10px;color:var(--muted);font-weight:600}.admin-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}.admin-list-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;border:1.5px solid var(--border);border-radius:12px;background:#f8fafc}.admin-list-item-col{flex-direction:column;align-items:stretch}.admin-list-edit{display:grid;gap:8px;width:100%}.admin-list-actions{display:flex;gap:6px;flex-shrink:0;flex-wrap:wrap}.admin-generate-card{display:grid;grid-template-columns:minmax(260px,.75fr) 1.25fr;gap:24px;align-items:end;background:linear-gradient(135deg,#fff,#eff6ff)}.admin-generate-form{display:grid;grid-template-columns:1fr 1fr 120px;gap:12px;align-items:center}@media (max-width: 900px){.hero{grid-template-columns:1fr;padding:36px 0 32px;gap:28px}.nav{position:static;flex-wrap:wrap}.nav-links{width:100%}.subscribe-layout,.test-progress-card,.admin-generate-card,.admin-generate-form{grid-template-columns:1fr}.toast{left:20px;right:20px}}@media (max-width: 600px){.hero h1{font-size:26px}.hero-cta{flex-direction:column}.hero-cta .btn{width:100%;justify-content:center}.question-card{padding:16px 14px 14px}.test-item{flex-direction:column;align-items:flex-start;gap:12px}.test-item>div:first-child strong{white-space:normal}.test-item .btn{width:100%;justify-content:center}.cabinet-sub-cta{flex-direction:column;align-items:flex-start}.test-submit-bar{position:sticky;bottom:0;padding:12px 0 16px;background:linear-gradient(to top,var(--bg) 70%,transparent);z-index:10}.test-submit-bar .btn{width:100%}.catalog-filters{grid-template-columns:1fr!important}}