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var(--app-border)}.neo-button--neo.neo-button--solid.neo-button--secondary:hover:not(.neo-button--disabled){background:var(--app-accent-soft)}.neo-button--neo.neo-button--solid.neo-button--secondary:active:not(.neo-button--disabled){box-shadow:inset 0 0 0 1px var(--app-border)}.neo-button--neo.neo-button--solid.neo-button--success{background:var(--accent-mint);color:#fff;border-radius:var(--radius-control, 12px)}.neo-button--neo.neo-button--solid.neo-button--danger{background:var(--accent-coral);color:#fff;border-radius:var(--radius-control, 12px)}.neo-button--neo.neo-button--solid.neo-button--warning{background:var(--accent-yellow);color:#172b30;border-radius:var(--radius-control, 12px)}.neo-button--neo.neo-button--solid.neo-button--blue{background:var(--accent-cyan);color:#fff}.neo-button--neo.neo-button--solid.neo-button--pink{background:var(--accent-coral);color:#fff}.neo-button--neo.neo-button--solid.neo-button--teal{background:var(--app-primary);color:var(--app-primary-text);border-radius:var(--radius-control, 12px)}.neo-button--neo.neo-button--solid.neo-button--orange{background:var(--accent-yellow);color:#172b30}.neo-button--neo.neo-button--solid.neo-button--white{background:var(--app-surface);color:var(--app-text);box-shadow:inset 0 0 0 1px var(--app-border)}.neo-button--neo.neo-button--solid.neo-button--yellow{background:var(--accent-yellow-soft);color:var(--app-warning-text);box-shadow:inset 0 0 0 1px var(--accent-yellow-border)}.neo-button--neo.neo-button--solid.neo-button--purple{background:var(--app-primary);color:var(--app-primary-text);border-radius:var(--radius-control, 12px)}.neo-button--neo.neo-button--icon.neo-button--white{background:var(--app-surface);color:var(--app-text);box-shadow:inset 0 0 0 1px var(--app-border)}.neo-button--neo.neo-button--icon.neo-button--primary{background:var(--app-primary);color:var(--app-primary-text)}.neo-button--session{border-radius:var(--radius-control, 12px);font-family:inherit}.neo-button--session.neo-button--solid.neo-button--primary{background:var(--app-primary);color:var(--app-primary-text);border-radius:var(--radius-pill, 9999px);box-shadow:var(--glow-primary)}.neo-button--session.neo-button--solid.neo-button--primary:hover:not(.neo-button--disabled){background:var(--app-primary-hover);transform:translateY(-1px)}.neo-button--session.neo-button--solid.neo-button--success{background:linear-gradient(135deg,var(--quiz-correct-from),var(--quiz-correct-to));color:var(--text-btn);box-shadow:0 4px 16px #10b9814d}.neo-button--session.neo-button--solid.neo-button--success:hover:not(.neo-button--disabled){transform:translateY(-2px);box-shadow:0 8px 24px #10b98166}.neo-button--session.neo-button--solid.neo-button--purple{background:var(--brand-gradient);color:var(--text-btn);box-shadow:var(--glow-primary)}.neo-button--session.neo-button--solid.neo-button--purple:hover:not(.neo-button--disabled){transform:translateY(-2px);box-shadow:0 8px 24px #a855f766}.neo-button--session.neo-button--solid.neo-button--danger{background:linear-gradient(135deg,var(--quiz-wrong-from),var(--quiz-wrong-to));color:var(--text-btn);box-shadow:0 4px 12px #ef44444d}.neo-button--session.neo-button--solid.neo-button--danger:hover:not(.neo-button--disabled){transform:translateY(-2px);box-shadow:0 8px 20px #ef444466}.neo-button--session.neo-button--solid.neo-button--warning{background:linear-gradient(135deg,var(--quiz-ans4-from),var(--quiz-ans4-to));color:var(--text-btn);box-shadow:0 4px 12px #f59e0b4d}.neo-button--session.neo-button--solid.neo-button--warning:hover:not(.neo-button--disabled){transform:translateY(-2px);box-shadow:0 8px 20px #f59e0b66}.neo-button--session.neo-button--solid.neo-button--blue{background:linear-gradient(135deg,var(--quiz-ans1-from),var(--quiz-ans1-to));color:var(--text-btn);box-shadow:0 4px 12px #3b82f64d}.neo-button--session.neo-button--solid.neo-button--blue:hover:not(.neo-button--disabled){transform:translateY(-2px);box-shadow:0 8px 20px #3b82f666}.neo-button--session.neo-button--solid.neo-button--pink{background:linear-gradient(135deg,var(--quiz-ans3-from),var(--quiz-ans3-to));color:var(--text-btn);box-shadow:0 4px 12px #ec48994d}.neo-button--session.neo-button--solid.neo-button--teal{background:linear-gradient(135deg,var(--quiz-ans2-from),var(--quiz-ans2-to));color:var(--text-btn);box-shadow:0 4px 12px #14b8a64d}.neo-button--session.neo-button--solid.neo-button--orange{background:linear-gradient(135deg,var(--quiz-ans4-to),var(--quiz-ans4-from));color:var(--text-btn);box-shadow:0 4px 12px #f973164d}.neo-button--session.neo-button--solid.neo-button--white{background:var(--bg-overlay-hover);color:var(--text-primary);box-shadow:inset 0 0 0 1px var(--border-subtle)}.neo-button--session.neo-button--solid.neo-button--white:hover:not(.neo-button--disabled){background:var(--bg-overlay-active)}.neo-button--session.neo-button--solid.neo-button--yellow{background:var(--quiz-point-bg);color:var(--quiz-point-color);box-shadow:0 4px 12px #fbbf2433}.neo-button--session.neo-button--solid.neo-button--secondary{background:var(--bg-overlay);color:var(--text-secondary);box-shadow:inset 0 0 0 1px var(--border-subtle)}.neo-button--session.neo-button--solid.neo-button--secondary:hover:not(.neo-button--disabled){background:var(--bg-overlay-hover);color:var(--text-primary)}.neo-button--session.neo-button--outline{background:var(--bg-overlay);color:var(--text-secondary);box-shadow:inset 0 0 0 1.5px var(--border-subtle)}.neo-button--session.neo-button--outline:hover:not(.neo-button--disabled){background:var(--bg-overlay-hover);color:var(--text-primary)}.neo-button--session.neo-button--ghost{background:transparent;color:var(--text-secondary);padding-inline:16px;font-size:13px}.neo-button--session.neo-button--ghost:hover:not(.neo-button--disabled){color:var(--text-primary)}.neo-button--session.neo-button--icon{width:var(--button-height, 44px);height:var(--button-height, 44px);padding:0;background:var(--bg-overlay);color:var(--text-secondary);box-shadow:inset 0 0 0 1px var(--border-subtle);border-radius:10px}.neo-button--session.neo-button--icon:hover:not(.neo-button--disabled){background:var(--bg-overlay-hover);color:var(--text-primary)}@media(hover:none){.neo-button--neo:active:not(.neo-button--disabled){transform:translateY(1px)}}.session-page .app-header__left{flex:0 1 auto}.session-page .app-header__right{flex:0 0 auto;margin-left:auto;gap:8px}.session-page .session-nav-right{flex-shrink:0;gap:8px}.session-page .sv-answer-outcome{position:absolute;top:50%;right:18px;transform:translateY(-50%);z-index:15;display:inline-flex;align-items:center;justify-content:center}.session-page .sv-answer-option.sv-wrong .sv-answer-outcome{color:var(--app-danger-text)}.session-page .sv-answer-option.sv-correct .sv-answer-outcome{color:var(--app-success-text)}.session-page{height:100dvh;background:var(--app-page, #FFFDF4);color:var(--app-text, #172B30);display:flex;flex-direction:column;align-items:center;width:100%;overflow-x:hidden}.play-game-bg{background-color:var(--app-page, #FFFDF4);background-image:radial-gradient(circle at 16% 22%,rgba(165,232,207,.28) 0%,transparent 46%),radial-gradient(circle at 84% 78%,rgba(180,226,236,.24) 0%,transparent 46%)}:root[data-theme=dark] .play-game-bg,html.dark .play-game-bg{background-color:var(--app-page, #101D20);background-image:radial-gradient(circle at 16% 22%,rgba(165,232,207,.08) 0%,transparent 48%),radial-gradient(circle at 84% 78%,rgba(33,143,163,.08) 0%,transparent 48%)}.session-page[data-quiz-active=true] .app-header{--header-bg: rgba(244, 247, 251, .92);--header-text: var(--app-text, #172B30);--header-border: var(--app-border, #D5E0EC)}:root[data-theme=dark] .session-page[data-quiz-active=true] .app-header,html.dark .session-page[data-quiz-active=true] .app-header{--header-bg: rgba(25, 43, 48, .94);--header-text: var(--app-text, #F1F6F3);--header-border: var(--app-border, #405B60)}.session-page.sv-start-screen{position:relative;justify-content:flex-start;gap:24px;padding:16px;overflow-y:auto;text-align:center}.sv-start-back{align-self:flex-start;position:relative;z-index:1;min-height:44px}.sv-start-card{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:12px;width:100%;max-width:440px;background:var(--app-surface, #FFFFFF);border:1.5px solid var(--app-border, #D8E2DB);border-radius:16px;padding:24px;box-shadow:none}.sv-start-card h1{font-size:22px;line-height:1.35;overflow-wrap:anywhere}.sv-start-card p{margin:0}.sv-start-badge{display:inline-flex;align-items:center;padding:6px 14px;border-radius:9999px;background:var(--app-accent-soft, #E8F3F1);color:var(--app-accent-text, #174D53);border:1px solid var(--app-border, #D8E2DB);font-size:13px;font-weight:800;font-variant-numeric:tabular-nums}.sv-start-cta{width:100%;min-height:44px;padding:10px 20px;border-radius:12px;font-size:16px;font-weight:700;background:var(--app-primary, #174D53);color:var(--app-primary-text, #FFFFFF);border:2px solid var(--app-primary, #174D53);box-shadow:none;cursor:pointer}.sv-start-cta:hover:not(:disabled){background:var(--app-primary-hover, #1E6068);border-color:var(--app-primary-hover, #1E6068)}.sv-header-timer{background:var(--app-surface-soft, #F5F2E6);border:1.5px solid var(--app-border, #D8E2DB);color:var(--app-text, #172B30);box-shadow:0 1px 4px #172b300d}.sv-header-timer--danger{background:var(--app-danger-surface, #FFF1F2);border-color:var(--app-danger-border, #F6B8C2);color:var(--app-danger-text, #9F1D32)}.sv-preview-header{background:var(--header-bg, rgba(255, 253, 244, .94));backdrop-filter:blur(12px)}.sv-preview-header--bordered{border-bottom:1px solid var(--app-border, #D8E2DB)}.sv-preview-toggle-btn{background:var(--app-surface, #FFFFFF);color:var(--app-text, #172B30);border:1.5px solid var(--app-border, #D8E2DB);box-shadow:0 2px 6px #172b300d;cursor:pointer}.sv-preview-toggle-btn:hover{border-color:var(--app-primary, #174D53);background:var(--app-accent-soft, #E8F3F1);color:var(--app-accent-text, #174D53)}.sv-preview-toggle-btn.is-active{background:var(--app-primary, #174D53);color:var(--app-primary-text, #FFFFFF);border-color:var(--app-primary, #174D53)}.sv-preview-icon-btn{background:var(--app-surface, #FFFFFF);color:var(--app-text, #172B30);border:1.5px solid var(--app-border, #D8E2DB);box-shadow:0 2px 6px #172b300d}.sv-preview-icon-btn:hover:not(:disabled){background:var(--app-accent-soft, #E8F3F1);border-color:var(--app-primary, #174D53);color:var(--app-accent-text, #174D53)}.sv-preview-close-btn{background:var(--app-surface-soft, #F5F2E6);color:var(--app-text-secondary, #52656A);border:1.5px solid var(--app-border, #D8E2DB);cursor:pointer}.sv-preview-close-btn:hover{background:var(--app-danger-surface, #FFF1F2);border-color:var(--app-danger-border, #F6B8C2);color:var(--app-danger-text, #9F1D32)}.sv-explanation-card{background:var(--app-surface, #FFFFFF);border:1.5px solid var(--app-border, #D8E2DB);box-shadow:0 12px 32px #172b3014}.sv-explanation-card__icon{background:var(--accent-yellow-soft, #FFF8E5);border:1.5px solid var(--accent-yellow-border, #F5DF9D)}.session-nav{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-glass);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-subtle)}.session-nav-logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;background:var(--brand-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.session-nav-icon{width:36px;height:36px;background:var(--brand-gradient);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;-webkit-text-fill-color:initial}.session-nav-info{display:flex;gap:8px}.session-nav-right{display:flex;align-items:center;gap:12px}.session-nav-status{font-size:13px;font-weight:600;padding:6px 14px;border-radius:20px;background:var(--bg-overlay);border:1px solid var(--border-subtle)}.sv-fill-entry{display:flex;flex-direction:column;align-items:center;width:100%;gap:12px}@media(max-width:768px){.session-page:has(.sv-fill-entry:focus-within) .session-content{height:calc(var(--fill-viewport-height, 100dvh) - 72px);overflow-y:auto;scroll-padding-bottom:24px}.session-page:has(.sv-fill-entry:focus-within) :is(.sv-play-layout,.sv-play-question-layout){height:auto;min-height:0;max-width:100%}.session-page:has(.sv-fill-entry:focus-within) .sv-question-card{flex:0 0 auto;min-height:0;padding:14px}.session-page:has(.sv-fill-entry:focus-within) .quiz-question-content{min-height:0;flex:0 0 auto}.session-page:has(.sv-fill-entry:focus-within) .quiz-question-content__title{font-size:16px;line-height:1.45}.sv-fill-entry input{font-size:16px}}.session-content{width:100%;margin:0 auto;padding:12px}.session-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:120px 20px;gap:20px}.session-loading-spinner{width:48px;height:48px;border:4px solid rgba(255,255,255,.1);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}@keyframes 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20px var(--border-focus)}.session-btn-secondary{background:var(--bg-overlay);color:var(--text-secondary);border:1px solid var(--border-subtle)}.session-btn-secondary:hover{background:var(--bg-overlay-hover);color:var(--text-primary)}.session-btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 16px;font-size:13px}.session-btn-ghost:hover{color:var(--text-primary)}.session-btn-start{background:linear-gradient(135deg,var(--quiz-correct-from),var(--quiz-correct-to));color:var(--text-primary);font-size:16px;padding:16px 32px;box-shadow:0 4px 16px #10b9814d}.session-btn-start:hover{transform:translateY(-2px);box-shadow:0 8px 24px #10b98166}.session-btn-start:disabled,.session-btn-join:disabled,.session-btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.session-btn-join{background:var(--brand-gradient);color:var(--text-primary);font-size:16px;padding:16px;width:100%;box-shadow:0 4px 16px #a855f74d}.session-btn-join:hover{transform:translateY(-2px);box-shadow:0 8px 24px #a855f766}.session-host-header{text-align:center;margin-bottom:32px}.session-host-badge{display:inline-block;padding:8px 18px;border-radius:50px;background:var(--session-badge-yellow-bg);border:1px solid var(--session-badge-yellow-border);color:var(--session-badge-yellow-color);font-size:13px;font-weight:700;margin-bottom:16px}.session-host-title{font-size:32px;font-weight:800;letter-spacing:-.8px;margin-bottom:8px}.session-host-subtitle{font-size:15px;color:var(--text-secondary)}.session-room-section{display:grid;grid-template-columns:auto 1fr;gap:16px;margin-bottom:32px}.session-room-card,.session-share-card{background:var(--bg-overlay);border:1px solid var(--border-subtle);border-radius:20px;padding:24px}.session-room-card{text-align:center}.session-room-label{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:1.5px;color:var(--text-muted);margin-bottom:12px}.session-room-code{display:flex;gap:6px;justify-content:center;margin-bottom:16px}.session-room-digit{width:44px;height:52px;display:flex;align-items:center;justify-content:center;font-size:28px;font-weight:800;background:var(--bg-overlay-hover);border:1px solid var(--session-code-digit-border, var(--border-focus));border-radius:10px;color:var(--session-code-digit-color)}.session-share-card{display:flex;flex-direction:column;justify-content:center}.session-share-label{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:12px}.session-share-url{background:var(--bg-overlay-hover);padding:12px 16px;border-radius:10px;margin-bottom:14px;overflow:hidden}.session-share-url-text{font-size:13px;color:var(--text-secondary);word-break:break-all;font-family:var(--font-ui)}.session-players-section{margin-bottom:32px}.session-players-header h3{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;margin-bottom:16px}.session-players-dot{width:8px;height:8px;border-radius:50%;background:#22c55e;display:inline-block;animation:pulse-dot 2s ease infinite}@keyframes pulse-dot{0%,to{box-shadow:0 0 #22c55e80}50%{box-shadow:0 0 0 6px #22c55e00}}.session-players-empty{display:flex;flex-direction:column;align-items:center;padding:40px;background:var(--bg-surface);border:1px dashed var(--border-subtle);border-radius:16px;text-align:center;color:var(--text-muted);gap:8px;font-size:14px}.session-players-empty span{font-size:32px}.session-players-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:12px}.session-player-card{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px;background:var(--bg-overlay);border:1px solid var(--border-subtle);border-radius:14px}.session-player-avatar{width:48px;height:48px;border-radius:14px;background:var(--brand-gradient);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:800}.session-player-name{font-size:13px;font-weight:600;text-align:center;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.session-host-actions{display:flex;gap:12px;justify-content:center}.session-player-header{text-align:center;margin-bottom:32px}.session-player-badge{display:inline-block;padding:8px 18px;border-radius:50px;background:var(--session-badge-blue-bg);border:1px solid var(--border-focus);color:var(--accent);font-size:13px;font-weight:700;margin-bottom:16px}.session-player-title{font-size:32px;font-weight:800;letter-spacing:-.8px;margin-bottom:8px}.session-player-subtitle{font-size:15px;color:var(--text-secondary)}.session-join-card{background:var(--bg-overlay);border:1px solid var(--border-subtle);border-radius:20px;padding:32px;margin-bottom:24px}.session-join-title{font-size:18px;font-weight:700;margin-bottom:20px;text-align:center}.session-join-field{margin-bottom:20px}.session-join-field label{display:block;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.session-join-input{width:100%;padding:14px 18px;border-radius:14px;border:2px solid var(--border-subtle);background:var(--bg-overlay);color:var(--text-primary);font-size:16px;font-family:inherit;font-weight:600;outline:none;transition:all .2s;box-sizing:border-box}.session-join-input:focus{border-color:var(--border-focus);background:var(--bg-overlay-hover);box-shadow:0 0 0 3px var(--lobby-focus-ring, var(--border-focus))}.session-join-input::-moz-placeholder{color:var(--text-muted)}.session-join-input::placeholder{color:var(--text-muted)}.session-join-input--error{border-color:var(--color-wrong)!important;box-shadow:0 0 0 3px var(--color-wrong-bg)!important;animation:shake .4s ease}.session-join-error{color:var(--quiz-wrong-from);font-size:13px;font-weight:600;margin:8px 0 0 4px}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.session-player-joined{display:flex;align-items:center;justify-content:center;min-height:60vh}.session-joined-card{text-align:center;max-width:600px}.session-joined-icon{font-size:64px;display:block;margin-bottom:16px}.session-joined-card h2{font-size:28px;font-weight:800;margin-bottom:8px}.session-joined-card p{font-size:15px;color:var(--text-secondary);margin-bottom:20px}.session-joined-quiz{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:12px;background:var(--bg-overlay);font-size:14px;font-weight:600;margin-bottom:32px}.session-joined-waiting{display:flex;flex-direction:column;align-items:center;gap:8px}.session-waiting-dots{display:flex;gap:6px}.session-waiting-dots span{width:8px;height:8px;border-radius:50%;background:var(--primary);animation:bounce-dot 1.4s ease-in-out infinite}.session-waiting-dots span:nth-child(2){animation-delay:.2s}.session-waiting-dots span:nth-child(3){animation-delay:.4s}@keyframes bounce-dot{0%,80%,to{transform:scale(.6);opacity:.4}40%{transform:scale(1);opacity:1}}.session-joined-waiting p{font-size:13px;color:var(--text-muted);margin:0}.sv-question{display:flex;flex-direction:column;gap:20px}.sv-question-header{display:flex;align-items:center;justify-content:space-between}.sv-question-badge{padding:8px 16px;border-radius:50px;background:var(--session-badge-blue-bg);border:1px solid var(--border-focus);color:var(--accent);font-size:13px;font-weight:700}.sv-question-count{font-size:14px;font-weight:700;color:var(--text-secondary)}.sv-timer{display:flex;align-items:center;gap:12px}.sv-timer-bar{flex:1;height:8px;border-radius:4px;background:var(--bg-overlay-hover);overflow:hidden}.sv-timer-fill{height:100%;border-radius:4px;background:var(--brand-gradient);transition:width 1s linear}.sv-timer-text{font-size:18px;font-weight:800;color:var(--accent);min-width:40px;text-align:right}.sv-assign-body{width:100%;max-width:1200px;margin:0 auto}.sv-assign-main{display:flex;flex-direction:column;gap:12px;height:calc(100dvh - 160px);min-height:400px}.sv-question-card--ratio{flex:2;display:flex;flex-direction:column}.sv-question-card--ratio .sv-question-title{flex:1;display:flex;align-items:center;justify-content:center;text-align:center}.sv-assign-main>.sv-answers-grid{flex:3}.sv-assign-main>.sv-fill-blank{flex:3}@media(max-width:768px){.sv-assign-main{height:calc(100dvh - 200px)}}.sv-question-card{background:var(--app-surface, #FFFFFF);border:1.5px solid var(--app-border, #D8E2DB);border-radius:20px;padding:18px 22px 22px;min-height:150px;height:auto;box-shadow:0 6px 24px #172b300f;color:var(--app-text, #172B30)}:root[data-theme=dark] .sv-question-card,html.dark .sv-question-card{box-shadow:0 8px 28px #00000047}.sv-question-card__progress-track{position:absolute;top:0;left:0;right:0;height:4px;border-radius:20px 20px 0 0;background:var(--app-surface-soft, #F5F2E6);overflow:hidden}.sv-question-card__progress-fill{height:100%;background:var(--app-primary, #174D53);border-radius:0 4px 4px 0;transition:width 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#172B30)}.sv-answers-list{display:flex;flex-direction:column;gap:10px;margin-top:16px}.sv-answer-row{display:flex;align-items:center;gap:12px;padding:14px 16px;border-radius:12px;background:var(--app-surface-soft, #F5F2E6);border:1px solid var(--app-border, #D8E2DB);color:var(--app-text, #172B30)}.sv-answer-row.sv-answer-correct{background:var(--app-success-surface, #EBF9F3);border-color:var(--app-success-border, #A7E0C7)}.sv-answer-key{width:34px;height:34px;border-radius:10px;background:var(--app-accent-soft, #E8F3F1);border:1px solid var(--app-border, #D8E2DB);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:var(--app-accent-text, #174D53);flex-shrink:0}.sv-answer-text{flex:1;font-size:15px;font-weight:600;color:var(--app-text, #172B30)}.sv-answer-check{font-size:18px}.sv-answers-grid{display:grid;grid-template-columns:1fr 1fr;grid-auto-rows:minmax(76px,auto);align-items:stretch;gap:14px}.sv-answer-option{--ans-bg: var(--app-surface, #FFFFFF);--ans-hover-bg: #F0F9FB;--ans-border: #BFE2EC;--ans-hover-border: #218FA3;--ans-shadow: #D5EDF3;--ans-letter-bg: #E4F5F9;--ans-letter-color: #166878;--ans-letter-border: #B4E2EC;display:flex;align-items:center;justify-content:flex-start;gap:12px;padding:16px;height:auto;min-height:76px;border-radius:16px;background:var(--ans-bg);color:var(--app-text, #172B30);font-family:inherit;font-size:16px;font-weight:700;cursor:pointer;text-align:left;border:2px solid var(--ans-border);position:relative;overflow:visible;box-shadow:0 3px 0 var(--ans-shadow),0 4px 14px #172b300a;transition:transform .14s ease,background-color .14s ease,border-color .14s ease,box-shadow .14s ease;transform:translateY(0)}.sv-answer-option:nth-child(1){--ans-bg: #F0F9FF;--ans-hover-bg: #E0F2FE;--ans-border: #7DD3FC;--ans-hover-border: #0284C7;--ans-shadow: #BAE6FD;--ans-letter-bg: #0284C7;--ans-letter-color: #FFFFFF;--ans-letter-border: #0284C7}.sv-answer-option:nth-child(2){--ans-bg: #ECFDF5;--ans-hover-bg: #D1FAE5;--ans-border: #6EE7B7;--ans-hover-border: #059669;--ans-shadow: #A7F3D0;--ans-letter-bg: #059669;--ans-letter-color: #FFFFFF;--ans-letter-border: #059669}.sv-answer-option:nth-child(3){--ans-bg: #FFFBEB;--ans-hover-bg: #FEF3C7;--ans-border: #FCD34D;--ans-hover-border: #D97706;--ans-shadow: #FDE68A;--ans-letter-bg: #D97706;--ans-letter-color: #FFFFFF;--ans-letter-border: #D97706}.sv-answer-option:nth-child(4){--ans-bg: #FFF1F2;--ans-hover-bg: #FFE4E6;--ans-border: #FDA4AF;--ans-hover-border: #E11D48;--ans-shadow: #FECDD3;--ans-letter-bg: #E11D48;--ans-letter-color: #FFFFFF;--ans-letter-border: #E11D48}.sv-answer-option:nth-child(n+5){--ans-hover-bg: #F1F7F6;--ans-border: #C4DAD7;--ans-hover-border: #174D53;--ans-shadow: #D6E6E4;--ans-letter-bg: #E6F2F0;--ans-letter-color: #174D53;--ans-letter-border: #C4DAD7}:root[data-theme=dark] .sv-answer-option:nth-child(1),html.dark .sv-answer-option:nth-child(1){--ans-bg: var(--app-surface, #192B30);--ans-hover-bg: #1E363E;--ans-border: #2F5560;--ans-hover-border: #72D6E8;--ans-shadow: #111F23;--ans-letter-bg: #1B3942;--ans-letter-color: #72D6E8;--ans-letter-border: #346470}:root[data-theme=dark] .sv-answer-option:nth-child(2),html.dark .sv-answer-option:nth-child(2){--ans-bg: var(--app-surface, #192B30);--ans-hover-bg: #1D3630;--ans-border: #2E574C;--ans-hover-border: #A5E8CF;--ans-shadow: #111F23;--ans-letter-bg: #1C3831;--ans-letter-color: #A5E8CF;--ans-letter-border: #36685B}:root[data-theme=dark] .sv-answer-option:nth-child(3),html.dark .sv-answer-option:nth-child(3){--ans-bg: var(--app-surface, #192B30);--ans-hover-bg: #322A1D;--ans-border: #5E4B28;--ans-hover-border: #F4BE4F;--ans-shadow: #111F23;--ans-letter-bg: #382E1B;--ans-letter-color: #F4BE4F;--ans-letter-border: #6A5326}:root[data-theme=dark] .sv-answer-option:nth-child(4),html.dark .sv-answer-option:nth-child(4){--ans-bg: var(--app-surface, #192B30);--ans-hover-bg: #352323;--ans-border: #633836;--ans-hover-border: #F2796B;--ans-shadow: 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#FFFFFF))!important;border-color:var(--app-primary, #2563EB)!important;box-shadow:0 0 0 3px color-mix(in srgb,var(--app-primary, #2563EB) 26%,transparent)!important}:root[data-theme=dark] .sv-answer-option.sv-selected,html.dark .sv-answer-option.sv-selected{background:#2563eb47!important;border-color:#60a5fa!important;box-shadow:0 0 0 3px #60a5fa52!important}.sv-answer-option.sv-selected .sv-answer-letter{background:var(--app-primary, #2563EB)!important;color:var(--app-primary-text, #FFFFFF)!important;border-color:var(--app-primary, #2563EB)!important}.sv-answer-option:disabled{cursor:default}.sv-answer-option.sv-correct{background:var(--app-success-surface, #EBF9F3)!important;border-color:#1f8a5b!important;color:var(--app-success-text, #166547)!important;box-shadow:0 3px 0 var(--app-success-border, #A7E0C7),0 0 0 3px #1f8a5b2e!important}.sv-answer-option.sv-correct 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#f8717133!important}.sv-answer-progress-overlay{position:absolute;inset:0;z-index:5;pointer-events:none;overflow:hidden;border-radius:inherit}.sv-answer-progress-overlay:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#174d5314,#174d5329,#174d5314);animation:sv-progress-fill .5s ease-out forwards;transform-origin:left center}.sv-answer-progress-overlay:after{content:"";position:absolute;top:0;left:0;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(165,232,207,.35),transparent);animation:sv-progress-shimmer 1s ease-in-out infinite}@keyframes sv-progress-fill{0%{transform:scaleX(0)}to{transform:scaleX(1)}}@keyframes sv-progress-shimmer{0%{transform:translate(-100%)}to{transform:translate(250%)}}.sv-score-float{position:absolute;top:20%;left:50%;z-index:20;font-size:26px;font-weight:900;color:#166547;background:#ebf9f3;border:1.5px solid #1F8A5B;padding:2px 12px;border-radius:9999px;box-shadow:0 4px 14px 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