.app{width:min(920px,100% - 2rem);margin:0 auto;padding:2.5rem 0 4rem}.exam-shell{background:radial-gradient(70% 50% at 50% -10%,#6e8cff24,#0000 55%),#12141a;place-items:center;min-height:100vh;padding:1.25rem;display:grid}.exam-card{color:#e8eaef;overscroll-behavior:contain;background:#1a1d24;border:1px solid #ffffff0f;border-radius:1.1rem;flex-direction:column;width:min(420px,100%);max-height:calc(100dvh - 2.5rem);padding:1.35rem 1.35rem 1.1rem;animation:.4s both rise-in;display:flex;overflow-y:auto;box-shadow:0 24px 60px #00000073}.exam-body{flex-direction:column;flex:none;display:flex}.exam-question{flex:none;justify-content:center;align-items:center;display:flex}.exam-controls{flex:none}.exam-top,.exam-progress,.exam-nav,.exam-grid,.exam-foot{flex-shrink:0}.exam-top{justify-content:space-between;align-items:baseline;gap:1rem;margin-bottom:.75rem;display:flex}.exam-meta{color:#9aa3b5;margin:0;font-size:.95rem}.exam-meta strong{color:#e8eaef;font-size:1.1rem}.exam-meta-count{color:#7d8698;font-size:.85rem}.exam-top-right{flex-shrink:0;align-items:center;gap:.6rem;display:flex}.exam-close{color:#8b93a5;touch-action:manipulation;background:#ffffff0f;border:0;border-radius:.5rem;place-items:center;width:2rem;height:2rem;font-size:.85rem;line-height:1;display:grid}.exam-close:hover{color:#e8eaef;background:#ffffff1f}.exam-progress{background:#ffffff14;border-radius:999px;height:6px;margin-bottom:1.5rem;overflow:hidden}.exam-progress>span{border-radius:inherit;background:linear-gradient(90deg,#6e8bff,#2fd3b4);height:100%;transition:width .3s;display:block}.exam-timer{font-variant-numeric:tabular-nums;letter-spacing:.04em;color:#c5cad6;margin:0;font-weight:600}.exam-timer.urgent{color:#ff8f7a}.exam-stem{justify-content:center;margin:.5rem 0 1rem;display:flex}.exam-shell .q-column{color:#f2f4f8;min-width:5.5rem}.exam-shell .q-op{color:#aeb6c6}.exam-shell .q-rule{opacity:.85;background:#f2f4f8;margin-top:.45rem}.q-column-lg{gap:.2rem;font-size:1.55rem;line-height:1.4}.q-column-lg .q-line{grid-template-columns:1.35rem 1fr;gap:.45rem}.exam-answer-field{flex-direction:column;gap:.45rem;margin-bottom:1rem;display:flex}.exam-answer-field>span{color:#9aa3b5;font-size:.82rem}.exam-answer-input{color:#f2f4f8;text-align:right;font-variant-numeric:tabular-nums;letter-spacing:.02em;background:#12141a;border:2px solid #7b8fff;border-radius:.7rem;outline:none;width:100%;padding:.8rem .95rem;font-size:1.75rem;font-weight:700;box-shadow:0 0 0 4px #7b8fff29}.exam-answer-input::placeholder{color:#4b5364}.exam-answer-input:focus{border-color:#9aabff;box-shadow:0 0 0 4px #7b8fff47}.exam-keypad{grid-template-columns:repeat(3,minmax(0,1fr));gap:.55rem;margin-bottom:1rem;display:grid}.exam-key{color:#f2f4f8;font-variant-numeric:tabular-nums;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;background:#262b36;border:0;border-radius:.7rem;min-height:3.45rem;font-size:1.45rem;font-weight:700;transition:background .12s,transform .12s}.exam-key:hover{background:#313846}.exam-key:active{background:#3b4453;transform:translateY(1px)}.exam-key-soft{color:#c5cad6;background:#202531;font-size:1.2rem}.exam-key-soft:hover{background:#2a303d}.exam-key:focus-visible,.exam-btn:focus-visible,.exam-grid-btn:focus-visible{outline-offset:2px;outline:2px solid #9aabff}.exam-nav{grid-template-columns:1fr 1fr;gap:.65rem;margin-bottom:1rem;display:grid}.exam-btn{touch-action:manipulation;border:0;border-radius:.7rem;min-height:3.1rem;padding:.85rem 1rem;font-size:1rem;font-weight:700}.exam-btn-muted{color:#d5dae6;background:#2a2f3a}.exam-btn-muted:hover:not(:disabled){background:#343a48}.exam-btn-accent{color:#12141a;background:#7b8fff}.exam-btn-accent:hover{background:#93a2ff}.exam-btn:disabled{opacity:.45;cursor:not-allowed}.exam-grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:.45rem;margin-bottom:1.1rem;display:grid}.exam-grid-btn{color:#c5cad6;font-variant-numeric:tabular-nums;touch-action:manipulation;background:#2a2f3a;border:1px solid #0000;border-radius:.5rem;padding:.6rem 0;font-weight:600;position:relative}.exam-grid-dot{background:#2fd3b4;border-radius:50%;width:5px;height:5px;position:absolute;top:.25rem;right:.3rem}.exam-grid-btn.filled{color:#e8eaef;background:#32384a}.exam-grid-btn.current{color:#fff;border-color:#7b8fff;box-shadow:inset 0 0 0 1px #7b8fff59}.exam-foot{border-top:1px solid #ffffff0f;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.5rem 1rem;padding-top:.7rem;display:flex}.exam-note{color:#8b93a5;flex-wrap:wrap;align-items:center;gap:.6rem;margin:0;font-size:.8rem;display:flex}.exam-link{color:#8fa4ff;touch-action:manipulation;background:0 0;border:0;border-radius:.35rem;padding:.35rem .4rem;font-size:.8rem;font-weight:600}.exam-link:hover{color:#b3c1ff;background:#7b8fff1a}.exam-confirm-backdrop{z-index:20;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#080a0eb8;place-items:center;padding:1.25rem;animation:.18s both rise-in;display:grid;position:fixed;inset:0}.exam-confirm{color:#e8eaef;background:#1e222b;border:1px solid #ffffff14;border-radius:1rem;width:min(360px,100%);padding:1.35rem;box-shadow:0 24px 60px #00000080}.exam-confirm h2{margin:0 0 .5rem;font-size:1.2rem}.exam-confirm p{color:#aeb6c6;margin:0 0 1.1rem;font-size:.95rem;line-height:1.45}.exam-confirm-actions{grid-template-columns:1fr 1fr;gap:.6rem;display:grid}@media (width<=380px){.exam-card{padding:1.1rem 1rem .95rem}.q-column-lg{font-size:1.35rem}}@media (height<=700px){.exam-shell{place-items:stretch stretch;padding:.6rem}.exam-card{max-height:calc(100dvh - 1.2rem);margin:auto;padding:.9rem 1rem .75rem}.exam-top{margin-bottom:.5rem}.exam-progress{margin-bottom:.7rem}.exam-keypad{gap:.4rem;margin-bottom:.65rem}.exam-key{min-height:2.9rem;font-size:1.3rem}.exam-stem{margin:.25rem 0 .6rem}.exam-nav{margin-bottom:.65rem}.exam-btn{min-height:2.75rem}.exam-answer-field{margin-bottom:.65rem}.exam-answer-input{padding:.55rem .85rem;font-size:1.5rem}.exam-grid{display:none}.exam-foot{padding-top:.55rem}}@media (width<=520px) and (height<=860px){.exam-shell{padding:.75rem}.exam-card{padding:1rem 1rem .85rem}.exam-key{min-height:3rem;font-size:1.35rem}.exam-keypad{gap:.45rem;margin-bottom:.75rem}.exam-stem{margin:.25rem 0 .75rem}.q-column-lg{font-size:1.35rem;line-height:1.3}.exam-answer-input{padding:.6rem .85rem;font-size:1.55rem}.exam-answer-field{margin-bottom:.8rem}}@media (height<=560px){.exam-foot{display:none}}@media (width<=520px) and (height>=701px){.exam-grid{scrollbar-width:none;gap:.35rem;padding-bottom:.25rem;display:flex;overflow-x:auto}.exam-grid::-webkit-scrollbar{display:none}.exam-grid-btn{flex:0 0 2.6rem;padding:.5rem 0;font-size:.9rem}}@media (aspect-ratio>=4/3) and (height<=620px){.exam-card{width:min(820px,100%)}.exam-body{flex-direction:row;align-items:center;gap:1.25rem}.exam-question{flex:0 0 44%}.exam-controls{flex:auto;min-width:0}.exam-keypad{grid-template-columns:repeat(5,minmax(0,1fr))}.exam-key{min-height:2.6rem;font-size:1.2rem}.exam-answer-field{flex-direction:row;align-items:center;gap:.75rem}.exam-answer-field>span{flex-shrink:0}.q-column-lg{font-size:1.3rem}}.hero{padding:1.5rem 0 2.25rem;animation:.55s both rise-in}.brand{align-items:center;gap:.85rem;margin-bottom:1.25rem;display:flex}.brand-mark{width:2.75rem;height:2.75rem;box-shadow:var(--shadow);background:linear-gradient(145deg,#1a3a4a,#0f2733);border-radius:.65rem;flex-shrink:0;position:relative}.brand-mark:before,.brand-mark:after{content:"";background:var(--wood-light);border-radius:2px;height:3px;position:absolute;left:18%;right:18%}.brand-mark:before{top:32%}.brand-mark:after{top:58%}.brand-name{font-family:var(--font-display);letter-spacing:-.03em;margin:0;font-size:clamp(2.4rem,6vw,3.4rem);font-weight:700;line-height:.95}.hero-lead{max-width:34rem;color:var(--ink-soft);margin:0;font-size:1.05rem;line-height:1.55}.hero-actions{flex-wrap:wrap;gap:.75rem;margin-top:1.5rem;display:flex}.mode-tabs{border:1px solid var(--line);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#ffffff8c;border-radius:999px;gap:.35rem;width:fit-content;margin:.5rem 0 1.5rem;padding:.3rem;display:flex}.mode-tabs button{color:var(--ink-soft);background:0 0;border:0;border-radius:999px;padding:.55rem 1.1rem;font-weight:500;transition:background .2s,color .2s}.mode-tabs button[aria-current=page]{background:var(--ink);color:#fff}.panel{animation:.45s both rise-in}.form-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem 1.25rem;margin-bottom:1.25rem;display:grid}.field{flex-direction:column;gap:.4rem;display:flex}.field.full{grid-column:1/-1}.field label{letter-spacing:.04em;text-transform:uppercase;color:var(--ink-soft);font-size:.8rem;font-weight:600}.field input,.field select{border:1px solid var(--line);color:var(--ink);background:#ffffffb8;border-radius:.65rem;outline:none;padding:.7rem .85rem;transition:border-color .15s,box-shadow .15s}.field input:focus,.field select:focus{border-color:var(--focus);box-shadow:0 0 0 3px #1a6b5c2e}.actions{flex-wrap:wrap;align-items:center;gap:.7rem;display:flex}.btn{border:0;border-radius:.7rem;padding:.75rem 1.2rem;font-weight:600;transition:transform .15s,box-shadow .15s,background .15s}.btn:active{transform:translateY(1px)}.btn-primary{color:#f4fffb;background:linear-gradient(#1f4a3f,#16382f);box-shadow:0 10px 24px #16382f47}.btn-primary:hover{background:linear-gradient(#25584a,#1a4338)}.btn-secondary{color:var(--ink);border:1px solid var(--line);background:#ffffffb3}.btn-secondary:hover{background:#fff}.btn-ghost{color:var(--ink-soft);border:1px dashed var(--line);background:0 0}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none}.error-box{color:var(--danger);white-space:pre-wrap;background:#b4231814;border:1px solid #b4231838;border-radius:.7rem;margin-top:1rem;padding:.9rem 1rem;font-size:.95rem;line-height:1.45}.meta-row{color:var(--ink-soft);flex-wrap:wrap;gap:.75rem 1.25rem;margin:1.5rem 0 1rem;font-size:.92rem;display:flex}.meta-row strong{color:var(--ink);font-weight:600}.question-list{flex-direction:column;gap:.65rem;margin:0;padding:0;list-style:none;display:flex}.question-item{border:1px solid var(--line);background:#ffffff9e;border-radius:.85rem;grid-template-columns:2.5rem minmax(5.5rem,max-content) auto;align-items:end;gap:1rem 1.25rem;padding:1rem 1.1rem;transition:border-color .2s,background .2s;display:grid}.question-item.correct{background:#0f6b4c0f;border-color:#0f6b4c59}.question-item.wrong{background:#b423180d;border-color:#b423184d}.q-no{font-family:var(--font-display);color:var(--wood);align-self:start;padding-top:.15rem;font-weight:700}.q-main{flex-direction:column;gap:.55rem;display:flex}.q-column{font-variant-numeric:tabular-nums;flex-direction:column;align-items:stretch;gap:.15rem;min-width:4.5rem;font-size:1.15rem;font-weight:600;line-height:1.35;display:inline-flex}.q-line{grid-template-columns:1.1rem 1fr;align-items:baseline;gap:.35rem;display:grid}.q-op{text-align:center;color:var(--ink-soft);font-weight:500}.q-num{text-align:right;letter-spacing:.02em}.q-blank .q-num{color:var(--ink-soft)}.q-rule{background:var(--ink);opacity:.55;border-radius:1px;height:2px;margin:.25rem 0 .15rem}.q-answer{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap;align-self:end;min-width:5rem;font-weight:600}.q-answer-slot{flex-direction:column;align-self:end;align-items:stretch;min-width:6.5rem;display:flex}.q-answer-slot .q-rule{margin-bottom:.35rem}.q-tags{flex-wrap:wrap;gap:.35rem;display:flex}.tag{letter-spacing:.03em;text-transform:uppercase;color:var(--ink-soft);background:#14252e12;border-radius:.35rem;padding:.2rem .45rem;font-size:.72rem;font-weight:600}.tag.bead{color:#9c3a2f;background:#e85d4c1f}.answer-input{border:1px solid var(--line);text-align:right;font-variant-numeric:tabular-nums;background:#fff;border-radius:.55rem;width:100%;padding:.55rem .65rem;font-size:1.1rem;font-weight:600}.answer-input:focus{border-color:var(--focus);outline:none;box-shadow:0 0 0 3px #1a6b5c2e}.score-banner{color:#f4fffb;box-shadow:var(--shadow);background:linear-gradient(135deg,#16382f,#1f5648 55%,#2a9d8f);border-radius:1rem;margin:1.25rem 0 1.5rem;padding:1.35rem 1.4rem;animation:.45s both score-pop}.score-banner h2{font-family:var(--font-display);margin:0 0 .35rem;font-size:clamp(2rem,5vw,2.6rem);font-weight:700}.score-banner p{opacity:.9;margin:0}.tech-stats{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:.65rem;margin:0 0 1.5rem;display:grid}.tech-stat{border:1px solid var(--line);background:#ffffffa6;border-radius:.75rem;padding:.85rem .95rem}.tech-stat .label{text-transform:uppercase;letter-spacing:.04em;color:var(--ink-soft);font-size:.75rem;font-weight:600}.tech-stat .value{font-family:var(--font-display);margin-top:.15rem;font-size:1.45rem;font-weight:700}.empty-hint{color:var(--ink-soft);padding:1.5rem 0;line-height:1.5}@media (width<=640px){.form-grid{grid-template-columns:1fr}.question-item{grid-template-columns:2rem 1fr}.q-answer,.q-answer-slot{grid-column:2;justify-self:start;width:min(100%,8rem)}.answer-input{text-align:right}}@media print{body:before,.mode-tabs,.hero-actions,.actions,.form-grid,.error-box{display:none!important}.app{width:100%;padding:0}.question-item{break-inside:avoid;box-shadow:none;background:#fff}}:root{--ink:#14252e;--ink-soft:#3a5563;--paper:#eef3f1;--paper-deep:#dde8e3;--wood:#8b6914;--wood-light:#c4a574;--bead:#e85d4c;--bead-cool:#2a9d8f;--line:#14252e1f;--focus:#1a6b5c;--danger:#b42318;--ok:#0f6b4c;--shadow:0 18px 40px #14252e14;--font-display:"Fraunces", Georgia, serif;--font-body:"Outfit", system-ui, sans-serif;color:var(--ink);background:var(--paper);font-family:var(--font-body);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased}*,:before,:after{box-sizing:border-box}html,body,#root{min-height:100%}body{background:radial-gradient(ellipse 80% 50% at 10% -10%, #2a9d8f1f, transparent 55%), radial-gradient(ellipse 60% 40% at 100% 0%, #e85d4c14, transparent 50%), linear-gradient(180deg, #f5f8f6 0%, var(--paper) 40%, var(--paper-deep) 100%);background-attachment:fixed;margin:0}body:before{content:"";pointer-events:none;opacity:.35;mix-blend-mode:multiply;z-index:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.45'/%3E%3C/svg%3E");position:fixed;inset:0}#root{z-index:1;position:relative}button,input,select,textarea{font:inherit}button{cursor:pointer}a{color:inherit}@keyframes rise-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes score-pop{0%{opacity:0;transform:scale(.92)}60%{transform:scale(1.03)}to{opacity:1;transform:scale(1)}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}
