:root{color-scheme:light;--bg: #f4f7fb;--panel: #ffffff;--text: #172033;--muted: #637083;--line: #d9e1ec;--control: #ffffff;--subtle: #edf2f7;--hover: #f7fafc;--accent: #176b87;--accent-strong: #0f5269;--good: #177245;--bad: #bd3434;--soft-good: #e8f6ee;--soft-bad: #fdecec;--study-bg: #e8f4f7;--study-border: #9fc3d5;--context-bg: #f5f9fb;--context-border: #b7cfda;--shadow: 0 18px 45px rgba(20, 39, 65, .13)}:root[data-theme=dark]{color-scheme:dark;--bg: #0d1320;--panel: #151d2b;--text: #edf4ff;--muted: #9fb0c5;--line: #2d3b50;--control: #111827;--subtle: #1c2636;--hover: #202d40;--accent: #5fb6d0;--accent-strong: #9ed8ea;--good: #73d39b;--bad: #ff8f8f;--soft-good: #163524;--soft-bad: #3a1d22;--study-bg: #122d3a;--study-border: #397d98;--context-bg: #111f2b;--context-border: #397d98;--shadow: 0 18px 45px rgba(0, 0, 0, .28)}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.5}button,input{font:inherit}.app-shell{width:min(1120px,calc(100% - 32px));margin:0 auto;padding:28px 0 40px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:20px}.topnav{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:999px;padding:4px;background:var(--subtle)}.topnav button{min-height:36px;border:0;border-radius:999px;padding:8px 14px;background:transparent;color:var(--muted);font-weight:700;cursor:pointer}.topnav button.active{background:var(--control);color:var(--text);box-shadow:0 4px 14px #1427411f}.topnav .theme-button{display:inline-flex;align-items:center;justify-content:center;width:36px;min-width:36px;padding:0}.theme-button svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}h1,h2{margin:0;line-height:1.15;letter-spacing:0}h1{font-size:30px}.brand-button{display:inline-flex;align-items:center;gap:10px;border:0;padding:0;background:transparent;color:var(--text);text-align:left;cursor:pointer}.brand-button:hover .brand-title,.brand-button:hover .brand-roman{color:var(--accent-strong)}.brand-title{font-size:28px;font-weight:900;line-height:1.05}.brand-roman{color:var(--accent);font-size:30px;font-weight:900;line-height:1}h2{font-size:22px}.muted{color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px}.menu-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}.field{display:grid;gap:7px}label{font-weight:700}input[type=number]{width:100%;border:1px solid var(--line);border-radius:6px;padding:11px 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button:disabled{cursor:not-allowed;opacity:.45}.switches{margin-top:18px}.switch-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-top:1px solid var(--line)}.switch-row:first-child{border-top:0}.switch{position:relative;width:54px;height:30px;flex:0 0 auto}.switch input{width:0;height:0;opacity:0}.slider{position:absolute;inset:0;border-radius:999px;background:#b9c5d4;cursor:pointer;transition:.18s ease}.slider:before{content:"";position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 2px 8px #00000038;transition:.18s ease}.switch input:checked+.slider{background:var(--accent)}.switch input:checked+.slider:before{transform:translate(24px)}.actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:20px}.button{min-height:46px;border:0;border-radius:7px;padding:12px 18px;background:var(--accent);color:#fff;font-weight:700;cursor:pointer}.button:hover{background:var(--accent-strong)}.button:disabled{cursor:not-allowed;opacity:.48}.button.secondary{background:var(--subtle);color:var(--text)}.button.secondary:hover{background:var(--hover)}.button.compact{min-height:36px;padding:8px 12px}.stats{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px}.test-layout{display:grid;grid-template-columns:350px minmax(0,1fr);gap:16px;align-items:start}.question-map{position:sticky;top:16px;border:1px solid var(--line);border-radius:8px;background:var(--panel);box-shadow:var(--shadow);padding:14px}.question-map-title{margin-bottom:10px;color:var(--muted);font-size:13px;font-weight:800;text-transform:uppercase}.question-map-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.question-map-grid.wide{grid-template-columns:repeat(6,minmax(0,1fr))}.question-map-button{min-width:0;min-height:42px;border:1px solid var(--line);border-radius:6px;background:var(--control);color:var(--muted);font-size:16px;font-weight:800;cursor:pointer}.question-map-button.answered{border-color:var(--accent);background:var(--accent);color:#fff}.question-map-button.active{outline:2px solid var(--accent-strong);outline-offset:2px}.pill{display:inline-flex;align-items:center;min-height:34px;padding:6px 10px;border:1px solid var(--line);border-radius:999px;background:var(--control);color:var(--muted);font-weight:700;white-space:nowrap}.study-mission{margin-bottom:16px;padding:16px;border:1px solid var(--study-border);border-left:5px solid var(--accent);border-radius:8px;background:var(--study-bg);box-shadow:0 10px 26px #14274114}.study-label{margin-bottom:6px;color:var(--accent-strong);font-size:13px;font-weight:800;text-transform:uppercase}.question-text{margin:12px 0 18px;font-size:21px;line-height:1.4}.choice-list{display:grid;gap:10px;margin:0;padding:0;list-style:none}.choice{display:grid;grid-template-columns:24px 1fr;gap:12px;align-items:start;border:1px solid var(--line);border-radius:8px;padding:13px;background:var(--control);cursor:pointer}.choice input{width:18px;height:18px;margin-top:3px}button.choice{width:100%;color:var(--text);text-align:left}button.choice:disabled{cursor:default;opacity:1}.choice-dot{width:18px;height:18px;margin-top:3px;border:2px solid var(--line);border-radius:50%}.choice.correct{border-color:#8dccaa;background:var(--soft-good)}.choice.wrong{border-color:#e5a0a0;background:var(--soft-bad)}.feedback{min-height:28px;margin-top:14px;font-weight:700}.feedback.good{color:var(--good)}.feedback.bad,.feedback.missing,.error-text{color:var(--bad)}.results-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0}.result-box{border:1px solid 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var(--line);border-radius:8px;background:var(--control);overflow:hidden}.term-card.open{border-color:var(--context-border)}.term-card-button{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;min-height:56px;border:0;padding:14px 16px;background:var(--control);color:var(--text);font-weight:800;text-align:left;cursor:pointer}.term-card-button:hover{background:var(--hover)}.term-card-icon{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:var(--subtle);color:var(--accent);font-size:20px;line-height:1;flex:0 0 auto}.term-card-body{border-top:1px solid var(--line);padding:0 16px 16px}.term-card-body p{margin:14px 0 0}.term-context{margin-top:14px;border-left:4px solid var(--context-border);border-radius:6px;background:var(--context-bg);padding:10px 12px}.term-context span{display:block;color:var(--muted);font-size:13px;font-weight:800;text-transform:uppercase}.term-context p{margin-top:4px}.pagination{display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center;margin-top:20px}.pagination button{min-width:40px;min-height:38px;border:1px solid var(--line);border-radius:999px;background:var(--control);color:var(--muted);font-weight:800;cursor:pointer}.pagination button:hover:not(:disabled),.pagination button.active{border-color:var(--accent);color:var(--accent-strong)}.pagination button.active{background:var(--study-bg)}.pagination button:disabled{cursor:not-allowed;opacity:.45}.creator-footer{display:flex;justify-content:center;padding:22px 0 0}.instagram-link{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--control);color:var(--accent);transition:transform .16s ease,border-color .16s ease,color .16s ease}.instagram-link:hover{border-color:var(--accent);color:var(--accent-strong);transform:translateY(-1px)}.instagram-link svg{width:23px;height:23px;fill:none;stroke:currentColor;stroke-width:1.8}@media(max-width:760px){.app-shell{width:min(100% - 20px,1120px);padding-top:18px}.topbar,.switch-row,.section-heading{align-items:flex-start;flex-direction:column}.topnav{width:100%}.topnav button{flex:1}.topnav .theme-button{flex:0 0 42px}.menu-grid,.results-grid,.test-layout{grid-template-columns:1fr}.question-map{position:sticky;top:8px;z-index:5;order:2;max-width:100%;padding:10px}.question-map-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px;padding:0}.question-map-grid.wide{display:grid;grid-template-columns:repeat(5,minmax(0,1fr))}.question-map-button{min-width:0;min-height:46px}.question-map-title{margin-bottom:8px}h1{font-size:25px}.brand-title{font-size:23px}.brand-roman{font-size:25px}.question-text{font-size:18px}}