@import "https://fonts.googleapis.com/css2?family=Nunito:wght@400;500;600;700;800;900&family=Space+Grotesk:wght@400;500;600;700&display=swap";:root{--clr-bg:#0a0b1a;--clr-bg-2:#0d0e24;--clr-surface:#ffffff0d;--clr-surface-h:#ffffff17;--clr-border:#ffffff1a;--clr-border-h:#fff3;--clr-primary:#7c6ef7;--clr-primary-2:#9d8ff9;--clr-primary-glow:#7c6ef759;--clr-secondary:#38bdf8;--clr-secondary-glow:#38bdf840;--clr-accent:#f472b6;--clr-success:#34d399;--clr-success-glow:#34d3994d;--clr-danger:#f87171;--clr-danger-glow:#f871714d;--clr-warning:#fbbf24;--clr-openrouter:#ff6b35;--clr-txt:#e2e8f0;--clr-txt-2:#94a3b8;--clr-txt-3:#64748b;--grad-hero:linear-gradient(135deg, #1e1b4b 0%, #0a0b1a 50%, #0c1a2e 100%);--grad-card:linear-gradient(135deg, #7c6ef714 0%, #38bdf80d 100%);--grad-primary:linear-gradient(135deg, #7c6ef7, #38bdf8);--grad-success:linear-gradient(135deg, #34d399, #059669);--grad-danger:linear-gradient(135deg, #f87171, #dc2626);--grad-openrouter:linear-gradient(135deg, #ff6b35, #f7931e);--shadow-sm:0 2px 8px #0000004d;--shadow-md:0 4px 24px #0006;--shadow-lg:0 8px 48px #00000080;--shadow-glow-p:0 0 24px var(--clr-primary-glow);--r-sm:8px;--r-md:16px;--r-lg:24px;--r-xl:32px;--r-full:9999px;--ff-body:"Nunito", sans-serif;--ff-head:"Space Grotesk", sans-serif;--sp-xs:4px;--sp-sm:8px;--sp-md:16px;--sp-lg:24px;--sp-xl:32px;--sp-2xl:48px;--ease:cubic-bezier(.34, 1.56, .64, 1);--ease-in:cubic-bezier(.4, 0, 1, 1);--ease-out:cubic-bezier(0, 0, .2, 1);--dur-fast:.15s;--dur-md:.25s;--dur-slow:.4s}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-tap-highlight-color:transparent}body{font-family:var(--ff-body);background:var(--clr-bg);color:var(--clr-txt);min-height:100dvh;font-size:16px;line-height:1.6;overflow-x:hidden}a{color:var(--clr-primary-2);text-decoration:none}a:hover{color:var(--clr-secondary);text-decoration:underline}button{cursor:pointer;font-family:var(--ff-body);border:none;outline:none}select,textarea,input{font-family:var(--ff-body)}img{max-width:100%;display:block}#root{flex-direction:column;min-height:100dvh;display:flex}#confetti-canvas{pointer-events:none;z-index:9999;width:100%;height:100%;position:fixed;top:0;left:0}.glass-card{background:var(--clr-surface);-webkit-backdrop-filter:blur(20px);border:1px solid var(--clr-border);border-radius:var(--r-lg);box-shadow:var(--shadow-md)}.toast-container{z-index:10000;pointer-events:none;flex-direction:column;align-items:center;gap:8px;display:flex;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.toast{-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--clr-border-h);border-radius:var(--r-full);color:var(--clr-txt);white-space:nowrap;animation:toastIn .3s var(--ease) both;pointer-events:auto;white-space:normal;text-align:center;background:#1e1b4bf2;max-width:calc(100vw - 32px);padding:12px 24px;font-size:.9rem;font-weight:600}.toast.success{color:var(--clr-success);border-color:#34d39966}.toast.error{color:var(--clr-danger);border-color:#f8717166}.toast.info{color:var(--clr-secondary);border-color:#38bdf84d}.toast.exit{animation:toastOut .3s var(--ease-in) forwards}@keyframes toastIn{0%{opacity:0;transform:translateY(16px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}@keyframes toastOut{0%{opacity:1}to{opacity:0;transform:translateY(8px)scale(.95)}}.btn-primary{background:var(--grad-primary);color:#fff;border-radius:var(--r-full);transition:all var(--dur-md) var(--ease);box-shadow:0 4px 20px var(--clr-primary-glow);touch-action:manipulation;border:none;justify-content:center;align-items:center;gap:8px;width:100%;padding:14px 32px;font-size:1rem;font-weight:700;display:inline-flex}.btn-primary:hover:not(:disabled){box-shadow:0 8px 30px var(--clr-primary-glow);filter:brightness(1.1);transform:translateY(-2px)}.btn-primary:active{transform:translateY(0)scale(.98)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary.btn-lg{padding:18px 32px;font-size:1.1rem}.btn-secondary{background:var(--clr-surface-h);border:1.5px solid var(--clr-border);color:var(--clr-txt);border-radius:var(--r-full);transition:all var(--dur-md);touch-action:manipulation;justify-content:center;align-items:center;gap:8px;padding:12px 24px;font-size:.95rem;font-weight:700;display:inline-flex}.btn-secondary:hover:not(:disabled){border-color:var(--clr-primary);color:var(--clr-primary-2);transform:translateY(-2px)}.btn-secondary:active{transform:scale(.98)}.btn-success{background:var(--grad-success);color:#fff;border-radius:var(--r-full);transition:all var(--dur-md) var(--ease);box-shadow:0 4px 20px var(--clr-success-glow);touch-action:manipulation;justify-content:center;align-items:center;gap:8px;width:100%;padding:16px 32px;font-size:1.05rem;font-weight:700;display:inline-flex}.btn-success:hover{filter:brightness(1.1);transform:translateY(-2px)}.btn-danger{background:var(--grad-danger);color:#fff;border-radius:var(--r-full);transition:all var(--dur-md);touch-action:manipulation;padding:12px 24px;font-size:.95rem;font-weight:700}.btn-danger:hover{filter:brightness(1.1);transform:translateY(-2px)}.btn-ghost{color:var(--clr-txt-2);border:1.5px solid var(--clr-border);border-radius:var(--r-full);transition:all var(--dur-md);touch-action:manipulation;background:0 0;align-items:center;gap:6px;padding:10px 20px;font-size:.875rem;font-weight:600;display:inline-flex}.btn-ghost:hover{color:var(--clr-txt);border-color:var(--clr-border-h);background:var(--clr-surface)}.btn-danger-sm{color:var(--clr-danger);border-radius:var(--r-full);transition:all var(--dur-fast);touch-action:manipulation;background:#f871711f;border:1px solid #f8717140;padding:6px 14px;font-size:.8rem;font-weight:700}.btn-danger-sm:hover{background:#f8717140}.form-input,.form-select,.form-textarea{border:1.5px solid var(--clr-border);border-radius:var(--r-md);width:100%;color:var(--clr-txt);transition:border-color var(--dur-md), box-shadow var(--dur-md), background var(--dur-md);appearance:none;background:#00000040;padding:14px 16px;font-size:1rem}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--clr-primary);box-shadow:0 0 0 3px var(--clr-primary-glow);background:#00000059;outline:none}.form-textarea{resize:vertical;min-height:80px;line-height:1.5}.form-select{cursor:pointer;padding-right:36px}.form-select option{color:var(--clr-txt);background:#1e1b4b}.select-wrapper{position:relative}.select-wrapper:after{content:"▾";color:var(--clr-txt-2);pointer-events:none;font-size:.9em;position:absolute;top:50%;right:14px;transform:translateY(-50%)}.input-wrapper{align-items:center;display:flex;position:relative}.input-wrapper .form-input{padding-right:48px}.btn-icon-sm{color:var(--clr-txt-2);border-radius:var(--r-sm);transition:color var(--dur-fast), transform var(--dur-fast);cursor:pointer;background:0 0;border:none;padding:4px;font-size:1.1rem;position:absolute;right:12px}.btn-icon-sm:hover{color:var(--clr-txt);transform:scale(1.1)}.hint-text{color:var(--clr-txt-3);font-size:.75rem;line-height:1.5}.link{color:var(--clr-primary-2)}.link:hover{color:var(--clr-secondary)}.modal-backdrop{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;animation:modalFadeIn var(--dur-md) ease;background:#000000b3;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}.modal-box{text-align:center;width:100%;max-width:420px;animation:modalSlideIn var(--dur-slow) var(--ease) both;padding:32px 24px}@keyframes modalSlideIn{0%{opacity:0;transform:scale(.9)translateY(20px)}to{opacity:1;transform:scale(1)translateY(0)}}.modal-icon{margin-bottom:12px;font-size:3rem}.modal-title{font-family:var(--ff-head);margin-bottom:8px;font-size:1.25rem;font-weight:700}.modal-desc{color:var(--clr-txt-2);margin-bottom:24px;font-size:.9rem}.modal-actions{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.modal-actions button{flex:1;min-width:140px}.screen-enter{animation:screenEnter var(--dur-slow) var(--ease-out) both}@keyframes screenEnter{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.app-footer{text-align:center;color:var(--clr-txt-3);border-top:1px solid var(--clr-border);margin-top:auto;padding:16px;font-size:.75rem}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:99px}::-webkit-scrollbar-thumb:hover{background:#fff3}.setup-screen{background:var(--grad-hero);flex-direction:column;min-height:100dvh;display:flex;position:relative;overflow:hidden}.setup-orbs{pointer-events:none;z-index:0;position:absolute;inset:0}.orb{filter:blur(80px);opacity:.15;border-radius:50%;animation:8s ease-in-out infinite orbFloat;position:absolute}.orb-1{background:var(--clr-primary);width:500px;height:500px;animation-delay:0s;top:-150px;left:-100px}.orb-2{background:var(--clr-secondary);width:400px;height:400px;animation-delay:-3s;bottom:-100px;right:-80px}.orb-3{background:var(--clr-accent);width:300px;height:300px;animation-delay:-6s;top:50%;left:50%;transform:translate(-50%,-50%)}@keyframes orbFloat{0%,to{transform:translateY(0)scale(1)}50%{transform:translateY(-30px)scale(1.05)}}.orb-3{animation-name:orbFloat3}@keyframes orbFloat3{0%,to{transform:translate(-50%,-50%)scale(1)}50%{transform:translate(-50%,calc(-50% - 20px))scale(1.08)}}.setup-inner{z-index:1;width:100%;max-width:720px;margin:0 auto;padding:32px 16px 48px;position:relative}.setup-header{text-align:center;margin-bottom:32px}.logo-icon{margin-bottom:12px;font-size:4rem;animation:3s ease-in-out infinite logoWiggle;display:block}@keyframes logoWiggle{0%,to{transform:rotate(-5deg)scale(1)}50%{transform:rotate(5deg)scale(1.1)}}.setup-title{font-family:var(--ff-head);background:var(--grad-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:clamp(1.75rem,6vw,2.5rem);font-weight:700;line-height:1.2}.setup-subtitle{color:var(--clr-txt-2);margin-top:8px;font-size:1.05rem}.badge-row{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:16px;display:flex}.badge{border-radius:999px;padding:4px 14px;font-size:.8rem;font-weight:600}.badge-gemini{color:var(--clr-primary-2);background:#7c6ef726;border:1px solid #7c6ef74d}.badge-openrouter{color:#ff8c5e;background:#ff6b3526;border:1px solid #ff6b354d}.badge-osn{color:var(--clr-secondary);background:#38bdf81f;border:1px solid #38bdf840}.setup-card{flex-direction:column;gap:24px;padding:28px 24px;display:flex}.provider-tabs{grid-template-columns:repeat(2,1fr);gap:10px;display:grid}@media (width<=520px){.provider-tabs{grid-template-columns:1fr}}.provider-tab{border:1.5px solid var(--clr-border);border-radius:var(--r-md);color:var(--clr-txt-2);cursor:pointer;transition:all var(--dur-md) var(--ease);text-align:center;font-family:var(--ff-body);touch-action:manipulation;background:#00000040;flex-direction:column;align-items:center;gap:6px;padding:14px 12px;display:flex}.provider-tab:hover{border-color:var(--clr-border-h);color:var(--clr-txt);transform:translateY(-2px)}.provider-tab.active-gemini{border-color:var(--clr-primary);color:var(--clr-primary-2);box-shadow:var(--shadow-glow-p);background:#7c6ef714}.provider-tab.active-openrouter{border-color:var(--clr-openrouter);color:#ff8c5e;background:#ff6b3514;box-shadow:0 0 20px #ff6b3540}.provider-icon{font-size:1.5rem}.provider-name{font-size:.85rem;font-weight:700}.provider-tag{opacity:.7;font-size:.7rem}.section-label{color:var(--clr-txt-2);text-transform:uppercase;letter-spacing:.08em;align-items:center;gap:8px;margin-bottom:8px;font-size:.8rem;font-weight:700;display:flex}.form-divider{background:var(--clr-border);height:1px}.form-row-2{grid-template-columns:1fr 1fr;gap:16px;display:grid}@media (width<=480px){.form-row-2{grid-template-columns:1fr;gap:12px}}.count-options{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.count-btn{border:1.5px solid var(--clr-border);border-radius:var(--r-md);color:var(--clr-txt-2);transition:all var(--dur-md) var(--ease);cursor:pointer;font-family:var(--ff-body);touch-action:manipulation;background:#00000040;flex-direction:column;align-items:center;gap:4px;padding:14px 8px;display:flex;position:relative;overflow:hidden}.count-btn:before{content:"";background:var(--grad-primary);opacity:0;transition:opacity var(--dur-md);position:absolute;inset:0}.count-btn:hover{border-color:var(--clr-primary);color:var(--clr-txt);transform:translateY(-2px)}.count-btn.active{border-color:var(--clr-primary);color:var(--clr-txt);box-shadow:var(--shadow-glow-p)}.count-btn.active:before{opacity:.12}.count-num{font-family:var(--ff-head);font-size:1.75rem;font-weight:700;position:relative}.count-desc{font-size:.72rem;font-weight:600;position:relative}.count-rec{background:var(--grad-primary);color:#fff;border-radius:0 var(--r-md) 0 var(--r-sm);padding:2px 6px;font-size:8px;font-weight:800;position:absolute;top:-1px;right:-1px}.setup-footer{text-align:center;margin-top:20px}.model-info{border-radius:var(--r-md);color:var(--clr-txt-3);background:#38bdf80f;border:1px solid #38bdf826;padding:10px 14px;font-size:.78rem;line-height:1.5}.model-info strong{color:var(--clr-secondary)}.quiz-screen{background:var(--grad-hero);flex-direction:column;min-height:100dvh;display:flex}.quiz-header{z-index:100;-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--clr-border);background:#0a0b1ae0;position:sticky;top:0}.quiz-header-inner{justify-content:space-between;align-items:center;gap:8px;padding:12px 16px;display:flex}.quiz-meta{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.tag{letter-spacing:.04em;white-space:nowrap;border-radius:999px;padding:3px 10px;font-size:.75rem;font-weight:700}.tag-subject{color:var(--clr-primary-2);background:#7c6ef733;border:1px solid #7c6ef74d}.tag-level{color:var(--clr-secondary);background:#38bdf826;border:1px solid #38bdf840}.quiz-counter{font-family:var(--ff-head);white-space:nowrap;font-size:.9rem;font-weight:700}.btn-quit{color:var(--clr-danger);width:34px;height:34px;transition:all var(--dur-fast);cursor:pointer;touch-action:manipulation;background:#f871711f;border:1px solid #f8717133;border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;font-size:.9rem;display:flex}.btn-quit:hover{background:#f8717140;transform:rotate(90deg)}.progress-track{background:#ffffff14;height:4px}.progress-fill{background:var(--grad-primary);height:100%;transition:width .5s var(--ease-out);box-shadow:0 0 8px var(--clr-primary-glow)}.quiz-body{flex-direction:column;flex:1;gap:16px;width:100%;max-width:760px;margin:0 auto;padding:20px 16px 32px;display:flex}.question-card{animation:questionSlideIn var(--dur-slow) var(--ease) both;background:linear-gradient(135deg,#7c6ef714,#38bdf80d);padding:24px 20px}@keyframes questionSlideIn{0%{opacity:0;transform:translate(20px)}to{opacity:1;transform:translate(0)}}.question-meta-row{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px;margin-bottom:12px;display:flex}.tag-topic{color:var(--clr-primary-2);background:#7c6ef71f;border:1px solid #7c6ef733;border-radius:999px;padding:3px 10px;font-size:.72rem;font-weight:700}.tag-difficulty{color:var(--clr-txt-2);font-size:.75rem;font-weight:700}.question-number{font-family:var(--ff-head);color:var(--clr-txt-3);text-transform:uppercase;letter-spacing:.08em;margin-bottom:8px;font-size:.78rem;font-weight:700}.question-text{color:var(--clr-txt);white-space:pre-wrap;margin-bottom:20px;font-size:clamp(1rem,2.5vw,1.1rem);font-weight:600;line-height:1.7}.options-list{flex-direction:column;gap:10px;display:flex}.option-btn{border:1.5px solid var(--clr-border);border-radius:var(--r-md);color:var(--clr-txt);text-align:left;transition:all var(--dur-md) var(--ease);cursor:pointer;width:100%;font-size:.95rem;font-weight:600;line-height:1.5;font-family:var(--ff-body);touch-action:manipulation;background:#0003;align-items:flex-start;gap:12px;padding:14px 16px;display:flex;position:relative;overflow:hidden}.option-btn:before{content:"";background:var(--grad-primary);opacity:0;transition:opacity var(--dur-md);position:absolute;inset:0}.option-btn:hover:not(:disabled):not(.selected){border-color:var(--clr-primary);box-shadow:-4px 0 0 var(--clr-primary);transform:translate(4px)}.option-btn.selected{border-color:var(--clr-primary);box-shadow:0 0 0 2px var(--clr-primary-glow)}.option-btn.selected:before{opacity:.1}.option-btn.correct{border-color:var(--clr-success)!important;box-shadow:0 0 0 2px var(--clr-success-glow)!important;background:#34d3991a!important}.option-btn.wrong{border-color:var(--clr-danger)!important;box-shadow:0 0 0 2px var(--clr-danger-glow)!important;background:#f871711a!important}.option-btn:disabled{cursor:default}.option-label{border:1.5px solid var(--clr-border);width:34px;min-width:34px;height:34px;font-family:var(--ff-head);color:var(--clr-primary-2);transition:all var(--dur-md);background:#ffffff14;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.85rem;font-weight:800;display:inline-flex;position:relative}.option-btn.selected .option-label{background:var(--grad-primary);color:#fff;border-color:#0000}.option-btn.correct .option-label{background:var(--grad-success);color:#fff;border-color:#0000}.option-btn.wrong .option-label{background:var(--grad-danger);color:#fff;border-color:#0000}.option-text{flex:1;position:relative}.quiz-nav{justify-content:space-between;align-items:center;gap:10px;display:flex}.quiz-nav .btn-secondary,.quiz-nav .btn-primary{flex-shrink:0;width:auto;min-width:120px}.dots-wrap{justify-content:center;margin-top:4px;display:flex;overflow:hidden}.dots{scrollbar-width:none;align-items:center;gap:5px;padding:4px 0;display:flex;overflow-x:auto}.dots::-webkit-scrollbar{display:none}.dot{cursor:pointer;width:8px;height:8px;transition:all var(--dur-md);touch-action:manipulation;background:#ffffff26;border:none;border-radius:50%;flex-shrink:0;padding:0}.dot.current{background:var(--clr-primary);transform:scale(1.4)}.dot.answered{background:var(--clr-success);opacity:.7}.submit-wrap{padding-top:4px}.results-screen{background:var(--grad-hero);min-height:100dvh}.results-container{flex-direction:column;gap:24px;max-width:760px;margin:0 auto;padding:24px 16px 48px;display:flex}.score-hero{text-align:center;padding:32px 24px}.score-emoji{animation:scoreEmojiPop .5s var(--ease) both;margin-bottom:16px;font-size:3rem;animation-delay:.2s;display:block}@keyframes scoreEmojiPop{0%{opacity:0;transform:scale(.3)}to{opacity:1;transform:scale(1)}}.score-ring-wrap{width:160px;height:160px;margin:0 auto 20px;position:relative}.score-ring{width:100%;height:100%;transform:rotate(-90deg)}.score-ring-bg{fill:none;stroke:#ffffff14;stroke-width:10px}.score-ring-fill{fill:none;stroke:url(#scoreGrad);stroke-width:10px;stroke-linecap:round;transition:stroke-dashoffset 1.2s var(--ease-out)}.score-number-wrap{flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.score-number{font-family:var(--ff-head);background:var(--grad-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:2.8rem;font-weight:800;line-height:1}.score-denom{color:var(--clr-txt-3);font-size:1rem}.score-label{font-family:var(--ff-head);margin-bottom:8px;font-size:1.5rem;font-weight:700}.score-detail{color:var(--clr-txt-2);margin-bottom:20px;font-size:.95rem}.score-stats{border-radius:var(--r-md);background:#0003;justify-content:center;gap:0;display:flex;overflow:hidden}.stat-item{flex-direction:column;flex:1;align-items:center;gap:4px;padding:14px 12px;display:flex}.stat-item+.stat-item{border-left:1px solid var(--clr-border)}.stat-num{font-family:var(--ff-head);font-size:1.75rem;font-weight:800}.stat-num.correct{color:var(--clr-success)}.stat-num.wrong{color:var(--clr-danger)}.stat-num.skip{color:var(--clr-txt-3)}.stat-label{color:var(--clr-txt-2);font-size:.75rem;font-weight:600}.results-actions{grid-template-columns:1fr 1fr;gap:12px;display:grid}.results-actions .btn-ghost{grid-column:span 2}@media (width<=480px){.results-actions{grid-template-columns:1fr}.results-actions .btn-ghost{grid-column:span 1}}.review-section{flex-direction:column;gap:12px;display:flex}.review-title{font-family:var(--ff-head);align-items:center;gap:8px;font-size:1.15rem;font-weight:700;display:flex}.review-item{border-radius:var(--r-md);border:1.5px solid var(--clr-border);transition:border-color var(--dur-md);overflow:hidden}.review-item.correct-item{border-color:#34d3994d}.review-item.wrong-item{border-color:#f871714d}.review-item.skip-item{border-color:#ffffff1f}.review-header{cursor:pointer;background:var(--clr-surface);-webkit-user-select:none;user-select:none;transition:background var(--dur-fast);-webkit-tap-highlight-color:transparent;align-items:center;gap:10px;padding:14px 16px;display:flex}.review-header:hover{background:var(--clr-surface-h)}.review-num{font-family:var(--ff-head);color:var(--clr-txt-2);flex-shrink:0;font-size:.9rem;font-weight:700}.review-status{flex-shrink:0;font-size:1.1rem}.review-preview{color:var(--clr-txt-2);white-space:nowrap;text-overflow:ellipsis;flex:1;font-size:.88rem;overflow:hidden}.review-chevron{color:var(--clr-txt-3);transition:transform var(--dur-md);flex-shrink:0;font-size:.85rem}.review-item.open .review-chevron{transform:rotate(180deg)}.review-body{border-top:1px solid var(--clr-border);animation:reviewExpand var(--dur-md) ease;background:#0003;flex-direction:column;gap:12px;padding:16px;display:none}.review-item.open .review-body{display:flex}@keyframes reviewExpand{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.review-question{color:var(--clr-txt);font-size:.9rem;font-weight:600;line-height:1.6}.review-answers{flex-direction:column;gap:6px;display:flex}.review-your-ans{border-radius:var(--r-sm);padding:8px 12px;font-size:.85rem;font-weight:600}.review-your-ans.is-wrong{color:var(--clr-danger);background:#f871711a;border:1px solid #f8717140}.review-your-ans.is-correct{color:var(--clr-success);background:#34d3991a;border:1px solid #34d39940}.review-your-ans.is-skip{color:var(--clr-txt-3);border:1px solid var(--clr-border);background:#ffffff0d}.review-correct-ans{border-radius:var(--r-sm);color:var(--clr-success);background:#34d39914;border:1px solid #34d39933;padding:8px 12px;font-size:.85rem;font-weight:600}.review-explanation{color:var(--clr-txt-2);border-radius:var(--r-sm);background:#7c6ef70f;border:1px solid #7c6ef726;padding:10px 14px;font-size:.85rem;line-height:1.6}.scoreboard-screen{background:var(--grad-hero);min-height:100dvh}.scoreboard-container{flex-direction:column;gap:24px;max-width:760px;margin:0 auto;padding:24px 16px 48px;display:flex}.sb-header{justify-content:space-between;align-items:center;gap:12px;display:flex}.btn-back{background:var(--clr-surface-h);border:1.5px solid var(--clr-border);color:var(--clr-txt-2);border-radius:var(--r-full);cursor:pointer;transition:all var(--dur-md);touch-action:manipulation;align-items:center;gap:6px;padding:8px 16px;font-size:.85rem;font-weight:700;display:flex}.btn-back:hover{color:var(--clr-txt);border-color:var(--clr-border-h)}.sb-title{font-family:var(--ff-head);text-align:center;flex:1;font-size:clamp(1.25rem,4vw,1.5rem);font-weight:800}.sb-stats-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}@media (width<=380px){.sb-stats-grid{grid-template-columns:1fr 1fr}.sb-stats-grid .sb-stat-card:last-child{grid-column:span 2}}.sb-stat-card{text-align:center;flex-direction:column;align-items:center;gap:4px;padding:16px 12px;display:flex}.sb-stat-icon{font-size:1.5rem}.sb-stat-num{font-family:var(--ff-head);background:var(--grad-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;font-size:1.75rem;font-weight:800}.sb-stat-label{color:var(--clr-txt-2);text-transform:uppercase;letter-spacing:.05em;font-size:.72rem;font-weight:600}.sb-table-wrap{padding:0;overflow-x:auto}.sb-table{border-collapse:collapse;width:100%;font-size:.88rem}.sb-table th,.sb-table td{text-align:left;white-space:nowrap;padding:12px 14px}.sb-table th{color:var(--clr-txt-2);font-family:var(--ff-head);text-transform:uppercase;letter-spacing:.08em;border-bottom:1px solid var(--clr-border);background:#00000040;font-size:.75rem;font-weight:700}.sb-table td{color:var(--clr-txt);vertical-align:middle;border-bottom:1px solid #ffffff0d}.sb-table tr:last-child td{border-bottom:none}.sb-table tr:hover td{background:#ffffff05}.sb-score-pill{font-family:var(--ff-head);border-radius:999px;padding:3px 12px;font-size:.9rem;font-weight:700;display:inline-block}.sb-grade-pill{font-family:var(--ff-head);border-radius:999px;padding:3px 10px;font-size:.8rem;font-weight:800;display:inline-block}.grade-S{color:#fbbf24;background:#fbbf2426;border:1px solid #fbbf244d}.grade-A{color:var(--clr-primary-2);background:#7c6ef726;border:1px solid #7c6ef74d}.grade-B{color:var(--clr-secondary);background:#38bdf81f;border:1px solid #38bdf840}.grade-C{color:var(--clr-success);background:#34d3991a;border:1px solid #34d39940}.grade-D{color:var(--clr-danger);background:#f871711a;border:1px solid #f8717140}.provider-pill{border-radius:999px;padding:2px 8px;font-size:.72rem;font-weight:700;display:inline-block}.provider-gemini{color:var(--clr-primary-2);background:#7c6ef71f}.provider-openrouter{color:#ff8c5e;background:#ff6b351f}.provider-local{color:var(--clr-secondary);background:#38bdf81f}.sb-empty{text-align:center;flex-direction:column;align-items:center;gap:12px;padding:48px 24px;display:flex}.sb-empty-icon{font-size:3rem}.sb-empty p{color:var(--clr-txt-2);font-size:.95rem}.sb-footer{grid-template-columns:1fr 1fr;gap:12px;display:grid}@media (width<=400px){.sb-footer{grid-template-columns:1fr}}