@import"https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&display=swap";:root{--primary: #6366f1;--primary-hover: #4f46e5;--primary-soft: #e0e7ff;--secondary: #64748b;--bg-app: #f8fafc;--bg-card: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--success: #22c55e;--error: #ef4444;--warning: #f59e0b;--border: #e2e8f0;--radius: 12px;--bg-input: #ffffff;--font-sm: .875rem;--font-md: 1rem;--font-lg: 1.25rem;--font-xl: 1.75rem}[data-theme=dark]{--primary: #818cf8;--primary-hover: #a5b4fc;--primary-soft: rgba(99, 102, 241, .2);--secondary: #94a3b8;--bg-app: #0f172a;--bg-card: #1e293b;--bg-input: #1e293b;--text-main: #f8fafc;--text-muted: #94a3b8;--border: #334155;--success: #4ade80;--error: #f87171;--warning: #fbbf24}*{box-sizing:border-box;margin:0;padding:0}button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit}.preload 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1.5rem}.card__grid--full{grid-template-columns:1fr}.card__footer{padding:1rem 1.5rem;background:var(--bg-app);border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:.5rem}.card--feedback{border-left:5px solid var(--border)}.card--feedback-success{border-left-color:var(--success)}.card--feedback-error{border-left-color:var(--error)}.card--feedback-warning{border-left-color:var(--warning)}[data-theme=dark] .card--feedback-warning{background:linear-gradient(to right,rgba(245,158,11,.05),transparent)}.options-list{display:flex;flex-direction:column;gap:.75rem}.options-list__item{padding:1rem;text-align:left;border:2px solid var(--border);border-radius:10px;background:var(--bg-input);color:var(--text-main);cursor:pointer;font-size:var(--font-sm);transition:background-color .3s ease,border-color .3s ease,color .3s ease}.options-list__item:hover{border-color:#cbd5e1}[data-theme=dark] .options-list__item:hover{border-color:var(--primary);background:#334155}.options-list__item.is-selected{background:var(--primary-soft);border-color:var(--primary);color:var(--primary);font-weight:700}[data-theme=dark] .options-list__item.is-selected{background:#2563eb33;border-color:var(--primary)}.options-list__item:after{content:attr(data-key);float:right;font-size:.7rem;background:var(--bg-app);padding:2px 6px;border-radius:4px;opacity:.5}.feedback-option{padding:.75rem 1rem;border:1px solid var(--border);border-radius:8px;cursor:default;line-height:1;display:flex;align-items:center;gap:.25rem;background:var(--bg-input);color:var(--text-main)}.feedback-option svg{flex-shrink:0}.feedback-option--correct{background:#f0fdf4;border-color:var(--success);color:#166534}[data-theme=dark] .feedback-option--correct{background:#16653433;color:#86efac}.feedback-option--incorrect{background:#fef2f2;border-color:var(--error);color:#991b1b}[data-theme=dark] .feedback-option--incorrect{background:#991b1b33;color:#fca5a5}.media-container{border-radius:var(--radius);overflow:hidden;background:#f1f5f9;display:flex;align-items:center;justify-content:center}.media-container img,.media-container video{width:100%;height:100%;object-fit:cover}.result-summary_header{display:flex;flex-direction:column;align-items:center;gap:.5rem;padding:2rem;border-radius:var(--radius) var(--radius) 0 0;transition:background .3s ease}.is-pass .result-summary_header{background:linear-gradient(to bottom,rgba(34,197,94,.1),transparent)}.is-fail .result-summary_header{background:linear-gradient(to 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0}.stat-box{background:var(--bg-app);border-radius:8px;padding:.75rem;display:flex;flex-direction:column;align-items:center;gap:.25rem}.stat-box__value{font-size:1.25rem;font-weight:700;color:var(--text-muted)}.stat-box__label{font-size:.75rem;color:var(--text-muted)}.score-circle{width:102px;height:102px;border-radius:.5rem;background:var(--bg-app);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-weight:700}.score-circle__value{font-size:2.5rem}.score-circle__total{font-size:1rem;opacity:.9}.status-badge{padding:2px 10px;border-radius:12px;font-size:.75rem;font-weight:700}.status-badge--success{background:#dcfce7;color:#166534}.status-badge--error{background:#fee2e2;color:#991b1b}.status-badge--warning{background:#fef3c7;color:#92400e}[data-theme=dark] .status-badge--warning{background:#f59e0b33;color:#fbbf24}.explanation-box{margin:0 1.5rem 1.5rem;padding:1rem;background:#f8fafc;border-radius:8px;border:1px solid var(--border);border-left:6px solid 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var(--border);margin:1.5rem 0}.filter-bar__header{display:flex;justify-content:space-between;align-items:center;width:100%;min-height:2rem}.filter-bar__label{display:flex;align-items:center;gap:.25rem;font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.filter-bar__buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(90px,1fr));gap:.5rem}.filter-bar__btn{border:1px solid var(--border);color:var(--text-muted);background:transparent;padding:.5rem;font-size:.75rem;border-radius:8px;transition:.2s}.filter-bar__btn.is-active{background:var(--primary-soft)}[data-theme=dark] .filter-bar__btn.is-active{background:var(--primary-soft);border-color:var(--primary);box-shadow:0 0 15px #6366f14d}.filter-bar__btn:disabled{opacity:.5;cursor:not-allowed;background:transparent}[data-theme=dark] .filter-bar__btn:disabled{opacity:.5;border-color:var(--border);background:var(--border)}.scroll-to-top{position:fixed;bottom:2rem;right:2rem;width:45px;height:45px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000026;z-index:1000;transition:transform .2s,background .2s}.scroll-to-top:hover{transform:translateY(-4px);background:var(--primary)}@media(max-width:768px){.card__grid{grid-template-columns:1fr}.media-container{order:-1}.options-list__item:after{display:none}.scroll-to-top{bottom:1.5rem;right:1.5rem}.card--result-summary{flex-direction:column;text-align:center;gap:1rem}.stats-grid{margin:0}}