@tailwind base;@tailwind components;@tailwind utilities;:root{--color-bg-start: #0a0e27;--color-bg-mid: #1a1f3a;--color-bg-end: #2a3155;--color-text-main: #f1f5f9;--color-text-secondary: #cbd5e1;--color-text-neutral: #94a3b8;--color-card-bg-start: rgba(30, 41, 59, .95);--color-card-bg-end: rgba(30, 41, 59, .8);--color-card-border: rgba(148, 163, 184, .15);--color-option-bg-start: rgba(30, 41, 59, .6);--color-option-bg-end: rgba(30, 41, 59, .4);--color-option-border: rgba(148, 163, 184, .25);--color-option-hover-bg-start: rgba(59, 130, 246, .2);--color-option-hover-bg-end: rgba(59, 130, 246, .1);--color-nav-num-bg-start: rgba(30, 41, 59, .9);--color-nav-num-bg-end: rgba(30, 41, 59, .7);--color-nav-num-border: rgba(148, 163, 184, .25);--color-back-btn-bg: rgba(71, 85, 105, .6);--color-back-btn-color: #e2e8f0;--color-back-btn-border: rgba(148, 163, 184, .2);--color-menu-btn-shadow: rgba(59, 130, 246, .5);--color-primary: #3b82f6;--color-secondary: #8b5cf6;--color-primary-light: #60a5fa;--color-success: #22c55e;--color-error: #ef4444;--color-review-wrong: #fca5a5;--color-review-correct: #a7f3d0;--color-warning: #fbbf24;--color-combo-low: #fbbf24;--color-combo-med: #f97316;--color-combo-high: #ef4444;--color-combo-god: #a855f7;--vh: 100vh}body.light-mode{background:linear-gradient(135deg,#f0f4f8,#e2e8f0,#cbd5e1)!important;color:#1e293b;--color-bg-start: #f0f4f8;--color-bg-mid: #e2e8f0;--color-bg-end: #cbd5e1;--color-text-main: #1e293b;--color-text-secondary: #475569;--color-text-neutral: #64748b;--color-card-bg-start: rgba(255, 255, 255, .9);--color-card-bg-end: rgba(255, 255, 255, .8);--color-card-border: rgba(148, 163, 184, .5);--color-option-bg-start: rgba(255, 255, 255, .7);--color-option-bg-end: rgba(255, 255, 255, .5);--color-option-border: rgba(148, 163, 184, .4);--color-option-hover-bg-start: rgba(59, 130, 246, .1);--color-option-hover-bg-end: rgba(59, 130, 246, .05);--color-nav-num-bg-start: rgba(255, 255, 255, .9);--color-nav-num-bg-end: rgba(255, 255, 255, .7);--color-nav-num-border: rgba(148, 163, 184, .5);--color-back-btn-bg: rgba(203, 213, 225, .8);--color-back-btn-color: #1e293b;--color-back-btn-border: rgba(148, 163, 184, .4);--color-menu-btn-shadow: rgba(59, 130, 246, .3)}body.light-mode .menuButton.list-style{background:var(--color-card-bg-start);border-color:var(--color-card-border);color:var(--color-text-main)}@media (hover: hover){body.light-mode .menuButton.list-style:hover{background:#f1f5f9;transform:translateY(-1px);box-shadow:0 4px 15px #0000001a}}body.light-mode .menuButton.list-style span{color:var(--color-text-main)}body.light-mode .menuButton.list-style.danger-style{background:#ffe6e6cc;border-color:var(--color-error)}body.light-mode .menuButton.list-style.danger-style span{color:var(--color-text-main)}body.light-mode .menuButton.list-style.danger-style .list-icon{color:var(--color-error)}body.light-mode .test-details{color:#ffffffe6}body.light-mode .stacked-card{background:#fff;box-shadow:0 10px 30px #0000001a,0 20px 0 -12px #f1f5f9,0 20px 1px -12px #94a3b8,0 40px 0 -24px #e2e8f0,0 40px 1px -24px #94a3b8;border-color:#e2e8f0;border-radius:32px}@media (hover: hover){body.light-mode .stacked-card:hover{box-shadow:0 15px 40px #00000026,0 25px 0 -12px #f1f5f9,0 25px 1px -12px #94a3b8,0 50px 0 -24px #e2e8f0,0 50px 1px -24px #94a3b8}}body.light-mode .top-navbar,body.light-mode .navbar,body.light-mode .appHeader{background:#ffffffd9;border-color:#0000000d}body.light-mode .admin-toolbar{background:#f1f5f9;border:1px solid #e2e8f0}body.light-mode .admin-toolbar input[type=text]{background:#fff;color:#1e293b;border-color:#cbd5e1}body.light-mode .admin-card{background:#fff;border-color:#e2e8f0;color:#1e293b}@media (hover: hover){body.light-mode .admin-card:hover{background:#f8fafc}body.light-mode .btn-icon:hover{background:#e2e8f0;color:#1e293b}body.light-mode .admin-toolbar .navButton:hover{background:#f1f5f9}}body.light-mode .admin-badge.badge-num{background:#e2e8f0;color:#475569;border-color:#cbd5e1}body.light-mode .question-text{color:#1e293b}body.light-mode .btn-icon{background:#f1f5f9;color:#64748b;border-color:#cbd5e1}body.light-mode .form-input-style{background:#fff;color:#1e293b;border-color:#cbd5e1}body.light-mode .form-input-style:focus{background:#fff;border-color:var(--color-primary)}body.light-mode .admin-toolbar .navButton{background:#fff;color:#1e293b;border:1px solid #cbd5e1}body.light-mode .admin-toolbar .navButton.primary{background:var(--color-primary);color:#fff;border:none}body.light-mode .logoText,body.light-mode .backArrowBtn{color:#1e293b}*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden;background:linear-gradient(135deg,var(--color-bg-start) 0%,var(--color-bg-mid) 50%,var(--color-bg-end) 100%);background-attachment:fixed;background-size:cover;font-family:Inter,Segoe UI,Roboto,sans-serif;color:var(--color-text-main);transition:background-color .4s ease,color .4s ease;user-select:none;-webkit-user-select:none;cursor:default;background-color:var(--color-bg-start);overscroll-behavior:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}img{-webkit-user-drag:none;user-drag:none;user-select:none;-webkit-user-select:none}input,textarea{user-select:text;-webkit-user-select:text;cursor:text}#root{width:100%;height:100%;display:flex;flex-direction:column;padding-top:0}body.modal-open{overflow:hidden!important}body.keyboard-mode-active,body.keyboard-mode-active *{cursor:none!important}body.keyboard-mode-active :focus-visible{outline:2px solid var(--color-primary-light);outline-offset:2px;pointer-events:auto!important}.container{max-width:960px;width:100%;margin:0 auto;padding:1rem;padding-top:max(1rem,env(safe-area-inset-top));padding-bottom:max(1rem,env(safe-area-inset-bottom,20px));height:100%;overflow-y:auto;scrollbar-width:none}.container::-webkit-scrollbar{display:none}.quizContentWrapper{max-width:960px;width:100%;margin:0 auto;padding:0 1rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.fadeIn{animation:fadeIn .5s ease-out forwards}@keyframes pulseBtn{0%{transform:scale(1)}50%{transform:scale(1.05)}to{transform:scale(1)}}@keyframes glow{0%,to{box-shadow:0 0 15px #3b82f64d}50%{box-shadow:0 0 35px #3b82f699}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-8px) rotate(-2deg)}40%{transform:translate(8px) rotate(2deg)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.shake{animation:shake .4s cubic-bezier(.36,.07,.19,.97) both;border-color:var(--color-error)!important;box-shadow:0 0 30px #ef444466!important}@keyframes popIn{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}@keyframes flameFlicker{0%{transform:scale(1) rotate(-3deg);opacity:.8}to{transform:scale(1.1) rotate(3deg);opacity:1}}@keyframes pump{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}.modalOverlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:#000000d9;display:flex;align-items:center;justify-content:center;z-index:5000;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.modal{background:var(--color-card-bg-start);border:1px solid var(--color-card-border);border-radius:18px;padding:2rem;max-width:450px;width:90%;text-align:center;box-shadow:0 15px 50px #00000080;animation:fadeIn .3s ease-out}.modal h3{margin-bottom:1rem;font-size:1.5rem}.modal p{color:var(--color-text-secondary);margin-bottom:2rem}.modalButtons{display:flex;justify-content:space-around;gap:1rem}.modalButtons .navButton{flex:1;min-width:120px}.top-navbar,.navbar,.appHeader{width:100%;max-width:960px;position:relative;z-index:1000;margin:0 auto 1rem;padding:.8rem 1rem;display:flex;justify-content:space-between;align-items:center;background:#0a0e27f2;border-radius:12px;-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);box-shadow:0 4px 20px #0003;flex-shrink:0;border:none;border-bottom:1px solid rgba(255,255,255,.05)}body.light-mode .top-navbar,body.light-mode .navbar,body.light-mode .appHeader{background:#fffffff2;border-color:#0000000d}.navbar-group{display:flex;align-items:center;gap:.8rem}.title{font-size:clamp(2rem,8vw,2.8rem);font-weight:800;text-align:center;background:linear-gradient(135deg,var(--color-primary-light),var(--color-secondary),#ec4899);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin:.3rem 0 .5rem;letter-spacing:-1px}.subjectGrid{display:grid;gap:1.5rem;width:100%;max-width:800px;margin:2.5rem auto}.menuColumn{display:flex;flex-direction:column;align-items:center;width:100%;max-width:700px;gap:.5rem;margin:0 auto}.menuButton{width:100%;border:none;border-radius:18px;padding:1.8rem 1.4rem;cursor:pointer;background:linear-gradient(135deg,var(--color-primary),#6366f1 50%,var(--color-secondary) 100%);color:#fff;font-size:1.15rem;font-weight:700;transition:all .4s cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px 40px var(--color-menu-btn-shadow);position:relative;overflow:hidden;height:100%;display:flex;align-items:center;justify-content:center;text-align:center;z-index:1}.menuButton:before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.3),transparent);transition:left .5s ease}@media (hover: hover){.menuButton:hover{transform:translateY(-3px);box-shadow:0 15px 50px #3b82f6b3}.menuButton:hover:before{left:100%}}.menuButton.selected{background:linear-gradient(135deg,var(--color-primary-light) 0%,var(--color-primary) 50%,var(--color-secondary) 100%);box-shadow:0 0 30px #60a5facc;transform:translateY(-6px) scale(1.02)}.menuButton.list-style{aspect-ratio:auto;padding:1rem 1.5rem;font-size:1.1rem;display:flex;justify-content:flex-start;align-items:center;width:100%;margin-top:8px;background:#252a41;border:1px solid rgba(255,255,255,.1);text-align:left}@media (hover: hover){.menuButton.list-style:hover{background:#363d5a;transform:translateY(-1px)}}.list-icon{font-size:1.6rem;margin-right:1.5rem;min-width:25px;text-align:center;align-self:flex-start;padding-top:5px}.menuButton.primary-style{aspect-ratio:auto!important;min-height:100px;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:1.5rem 2rem}.test-icon-container{position:absolute;top:50%;right:20px;transform:translateY(-50%);font-size:2.5rem;color:var(--color-success);filter:drop-shadow(0 0 5px rgba(34,197,94,.5))}.test-details{display:flex;gap:1.5rem;margin-top:.5rem;font-size:.95rem;color:#fffc;font-weight:500}.test-details span{display:flex;align-items:center;gap:.3rem}.menuButton.danger-style{background:#442a30;border-color:var(--color-error);color:var(--color-error);justify-content:space-between}@media (hover: hover){.menuButton.danger-style:hover{background:#503038}}.menuButton.danger-style span:not(.list-icon){color:var(--color-text-main)}.menuButton.danger-style .list-icon{color:var(--color-error)}.clearMistakesIcon{opacity:.7;transition:opacity .2s,transform .2s}@media (hover: hover){.clearMistakesIcon:hover{opacity:1;transform:scale(1.1)}}.menuBackButton{background:transparent;border:1px solid var(--border-color, rgba(255,255,255,.2));color:var(--text-primary);padding:.4rem .8rem;border-radius:8px;font-size:.9rem;cursor:pointer;transition:all .2s ease;display:flex;align-items:center;gap:.4rem}@media (hover: hover){.menuBackButton:hover{background:var(--hover-bg, rgba(255,255,255,.1))}}.logout-btn{font-size:.8rem;padding:.3rem .6rem;opacity:.8;background:#ef44441a;color:#ef4444;border:1px solid rgba(239,68,68,.3);border-radius:6px;cursor:pointer}@media (hover: hover){.logout-btn:hover{opacity:1;background:#ef444433}}.theme-toggle-btn{background:transparent;border:none;font-size:1.2rem;cursor:pointer;padding:.2rem;display:flex;align-items:center;justify-content:center;transition:transform .2s}@media (hover: hover){.theme-toggle-btn:hover{transform:scale(1.1)}}.submitTopButton,.navButton{border:none;border-radius:14px;padding:.9rem 1.8rem;font-weight:700;cursor:pointer;transition:all .3s cubic-bezier(.34,1.56,.64,1);min-height:48px;position:relative;overflow:hidden}.submitTopButton{background:linear-gradient(135deg,var(--color-primary),#2563eb);color:#fff;box-shadow:0 4px 15px #3b82f666;padding:.7rem 1.5rem;font-size:.95rem}@media (hover: hover){.submitTopButton:hover{transform:translateY(-2px)}}.navButton{background:#3b82f626;color:var(--color-primary-light);border:2px solid rgba(59,130,246,.3)}body.light-mode .navButton{background:#3b82f61a}@media (hover: hover){.navButton:hover{background:#3b82f640;border-color:#3b82f699;transform:translateY(-1px)}}.navButton.primary{background:linear-gradient(135deg,var(--color-primary),#2563eb);color:#fff;border:none;box-shadow:0 8px 25px #3b82f680}.navButton:disabled{opacity:.5;cursor:not-allowed;transform:none}.settingsModal{max-width:500px}.smartGrid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.smartOptionButton{background:var(--color-card-bg-start);border:2px solid var(--color-card-border);border-radius:12px;padding:1rem;color:var(--color-text-main);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;transition:all .3s}@media (hover: hover){.smartOptionButton:hover{border-color:var(--color-primary);transform:translateY(-2px);box-shadow:0 5px 15px #0003}}.progressBarContainer{width:100%;height:8px;background:#ffffff26;border-radius:10px;margin:1rem 0 .5rem;overflow:hidden;position:relative}body.light-mode .progressBarContainer{background:#0000001a}.progressBarFill{height:100%;background:linear-gradient(90deg,#3b82f6,#8b5cf6);transition:width .5s cubic-bezier(.4,0,.2,1);border-radius:10px}.progressText{text-align:right;font-size:.8rem;color:var(--color-text-neutral);font-weight:500;margin-bottom:.5rem}.timer{font-weight:700;background:linear-gradient(135deg,#3b82f626,#6366f11a);border:2px solid rgba(59,130,246,.5);color:var(--color-primary-light);padding:.6rem 1.2rem;border-radius:12px;font-size:.95rem;display:inline-flex;align-items:center;justify-content:center}body.light-mode .timer{background:linear-gradient(135deg,#3b82f640,#6366f133)}.timerWarning{color:#fbbf24!important;border-color:#fbbf2480!important;animation:pulse 1.5s infinite}.timerDanger{color:#ff6b6b!important;border-color:#ef444499!important;animation:blink .8s infinite}.flashcardHeader{display:flex;justify-content:space-between;align-items:center;background:#0f172a66;border:1px solid rgba(148,163,184,.15);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-radius:16px;padding:.8rem 1.5rem;margin-bottom:1rem;transition:all .3s ease}body.light-mode .flashcardHeader{background:#fff9;border-color:#0000000d}.statItem{display:flex;flex-direction:column;align-items:center}.statLabel{font-size:.75rem;text-transform:uppercase;color:var(--color-text-neutral);font-weight:700;letter-spacing:.5px}.statValue{font-size:1.4rem;font-weight:800;color:var(--color-text-main)}.comboContainer{display:flex;align-items:center;gap:.5rem;animation:popIn .4s cubic-bezier(.175,.885,.32,1.275)}.comboFlame{font-size:1.8rem;filter:drop-shadow(0 0 8px rgba(251,191,36,.4));animation:flameFlicker 1s infinite alternate;transform-origin:center bottom}.comboCount{font-size:1.6rem;font-weight:900;background:linear-gradient(135deg,#fbbf24,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-style:italic}.combo-med .comboFlame{font-size:2.2rem;filter:drop-shadow(0 0 15px rgba(249,115,22,.6));animation:pump .8s infinite}.combo-med .comboCount{background:linear-gradient(135deg,#f59e0b,#ef4444);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:2rem;text-shadow:0 0 10px rgba(249,115,22,.3)}.combo-high .comboFlame{font-size:2.8rem;filter:drop-shadow(0 0 25px rgba(168,85,247,.8));animation:pump .4s infinite}.combo-high .comboCount{background:linear-gradient(135deg,#ef4444,#a855f7);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:2.5rem;animation:pump .4s infinite}.card{padding:clamp(1.5rem,4vw,2.2rem);border-radius:32px;background:linear-gradient(135deg,var(--color-card-bg-start) 0%,var(--color-card-bg-end) 100%);-webkit-backdrop-filter:blur(30px);backdrop-filter:blur(30px);border:1px solid var(--color-card-border);box-shadow:0 20px 60px #00000080;margin-bottom:1.5rem;margin-top:1rem;overflow:hidden}body.light-mode .card{box-shadow:0 10px 40px #0000001a}.questionHeader{display:flex;flex-direction:column;gap:1.5rem;margin-bottom:1.5rem}.questionText{font-size:clamp(1.2rem,5vw,1.6rem);font-weight:700;line-height:1.5;letter-spacing:-.5px}.imageWrapper{position:relative;cursor:zoom-in;width:100%}.questionImage{width:100%;height:200px;object-fit:contain;border-radius:12px;border:2px solid rgba(59,130,246,.2);background:#0003;transition:all .3s ease}body.light-mode .questionImage{background:#fffc}@media (hover: hover){.imageWrapper:hover .questionImage{border-color:#3b82f680;transform:scale(1.01)}}@media (min-width: 768px){.questionHeader{flex-direction:row;align-items:flex-start;gap:2rem}.questionText{flex:1}.imageWrapper{flex:0 0 40%;max-width:400px}.questionImage{height:auto;max-height:300px}}.fullscreenHint{position:absolute;bottom:10px;right:10px;background:#000000b3;color:#fff;padding:4px 8px;border-radius:6px;font-size:.75rem;pointer-events:none}.options{display:flex;flex-direction:column;gap:.8rem;margin-top:1.2rem}.optionButton{width:100%;min-height:60px;border:1px solid var(--color-option-border);border-radius:14px;padding:1.2rem 1.6rem;background:linear-gradient(135deg,var(--color-option-bg-start) 0%,var(--color-option-bg-end) 100%);color:var(--color-text-secondary);text-align:left;font-size:1.05rem;cursor:pointer;transition:all .2s cubic-bezier(.34,1.56,.64,1);font-weight:500;outline:none}.optionButton:focus-visible{outline:3px solid var(--color-primary-light);outline-offset:2px;border-color:var(--color-primary-light)}@media (hover: hover){.optionButton:hover{background:linear-gradient(135deg,var(--color-option-hover-bg-start) 0%,var(--color-option-hover-bg-end) 100%);border-color:#3b82f680;transform:translate(4px)}}.optionButton:active{transform:scale(.98)}.percentIndicator{display:inline-block;margin-left:1rem;font-weight:700;color:var(--color-text-main);padding:.2rem .5rem;border-radius:4px;font-size:.9rem;background:#ffffff1a}.actionButtons{display:flex;gap:1.2rem;margin-top:2rem;margin-bottom:.6rem;flex-wrap:wrap}.actionButtons.spaced{justify-content:space-between}.actionButtons.right{justify-content:flex-end}.navigatorWrapper{width:100%;display:flex;justify-content:center;overflow:hidden;padding:0;margin-top:.5rem}.compactNavigator{display:flex;gap:8px;padding:15px 10px;overflow-x:auto;overflow-y:hidden;max-width:100%;touch-action:pan-x;scrollbar-width:none;cursor:grab;user-select:none;-webkit-user-select:none}.compactNavigator::-webkit-scrollbar{display:none}.compactNavigator.grabbing{cursor:grabbing;scroll-behavior:auto}.compactNavigator.grabbing .navNumber{pointer-events:none;transform:scale(1)}.navNumber{width:44px;height:44px;flex-shrink:0;border-radius:10px;background:var(--color-nav-num-bg-start);color:var(--color-text-secondary);border:1px solid var(--color-nav-num-border);font-weight:600;font-size:.9rem;display:flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.175,.885,.32,1.275);cursor:pointer;position:relative;touch-action:none}@media (hover: hover){.navNumber:hover{border-color:var(--color-primary-light);transform:translateY(-3px) scale(1.05);z-index:10}}.navNumber.current{background:var(--color-primary);color:#fff;border-color:var(--color-primary-light);transform:scale(1.15);box-shadow:0 4px 15px #3b82f680;z-index:5}.navNumber.answered{background:#3b82f633;border-color:#3b82f680;color:var(--color-primary-light)}.resultScreen{text-align:center;padding:2rem 1rem;animation:fadeIn .6s ease-out;max-width:800px;margin:0 auto;width:100%}.score-circle-container{position:relative;width:200px;height:200px;margin:0 auto 2rem;border-radius:50%;display:flex;align-items:center;justify-content:center;box-shadow:0 0 30px #3b82f633}.score-circle-inner{width:170px;height:170px;border-radius:50%;background:var(--color-bg-start);display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:2;box-shadow:inset 0 0 20px #00000080}body.light-mode .score-circle-inner{background:#f0f4f8;box-shadow:inset 0 0 20px #0000000d}.score-percentage{font-size:3rem;font-weight:900;background:linear-gradient(135deg,var(--color-primary-light),var(--color-secondary));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}.score-fraction{font-size:1rem;color:var(--color-text-neutral);margin-top:.5rem;font-weight:600}.review-header-title{text-align:left;margin-bottom:1.5rem;font-size:1.4rem;font-weight:800;color:var(--color-text-main);display:flex;align-items:center;gap:.5rem}.reviewList{display:flex;flex-direction:column;gap:1rem;margin-top:0}.review-item{background:var(--color-card-bg-end);border:1px solid var(--color-card-border);border-radius:16px;padding:1.2rem;text-align:left;position:relative;overflow:hidden;transition:transform .2s ease;border-left:5px solid transparent}@media (hover: hover){.review-item:hover{transform:translateY(-2px);border-color:#94a3b866}}.review-item-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem}.review-number{font-size:.9rem;font-weight:700;color:var(--color-text-neutral);margin-bottom:.3rem;display:block}.review-question-text{font-size:1.1rem;font-weight:600;color:var(--color-text-main);line-height:1.4}.review-status-icon{font-size:1.5rem;margin-left:1rem;flex-shrink:0}.review-answers-grid{display:grid;grid-template-columns:1fr;gap:.5rem;background:#0000001a;padding:1rem;border-radius:12px}body.light-mode 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rgba(0,0,0,.1));transition:transform .4s ease}.subjectName{font-size:1.5rem;font-weight:800;margin-bottom:.5rem;letter-spacing:-.5px}.subjectDesc{font-size:.95rem;color:var(--color-text-secondary);line-height:1.5;opacity:.9;max-width:90%}.subjectButton.uploadButton{background:#1e293b4d;border:2px dashed rgba(148,163,184,.3);box-shadow:none}.subjectButton.uploadButton:before{background:radial-gradient(circle at top right,rgba(139,92,246,.15),transparent 60%)}body.light-mode .subjectButton.uploadButton{background:#ffffff4d;border-color:#94a3b866}@media (hover: hover){.subjectButton.uploadButton:hover{border-color:var(--color-secondary);background:#8b5cf60d;transform:translateY(-5px);box-shadow:0 15px 35px #8b5cf61a}}.uploadError{margin:1.5rem auto 0;padding:.8rem 1.2rem;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:12px;color:var(--color-error);max-width:500px;animation:shake .4s ease-in-out}@media (min-width: 950px){.subjectGrid{grid-template-columns:repeat(3,1fr);max-width:100%;gap:2rem}.subjectButton{min-height:320px;padding:2.5rem 1.5rem}.subjectIcon{font-size:4.5rem;margin-bottom:1.5rem}.subjectName{font-size:1.8rem}.subjectDesc{font-size:1rem}}@media (max-width: 600px){.subjectSelectorContainer{align-items:flex-start;padding-top:max(1rem,env(safe-area-inset-top));height:auto}.container{padding:.5rem;padding-top:env(safe-area-inset-top)}.top-navbar{margin-top:0;margin-bottom:.5rem}.quizContentWrapper{padding-top:0}.card{margin-top:0}.title{margin-top:0;margin-bottom:.5rem;font-size:1.8rem}.appHeader{border-radius:0}.admin-card{flex-direction:column;align-items:flex-start}.admin-actions{width:100%;justify-content:flex-end;margin-top:10px;border-top:1px solid 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#1e293b,0 20px 1px -12px #94a3b866,0 40px 0 -24px #1e293b,0 40px 1px -24px #94a3b866;transition:all .3s cubic-bezier(.25,.8,.25,1)}body.light-mode .stacked-card{background:#fff;border-color:#cbd5e1;border-radius:32px;box-shadow:0 10px 30px #0000001a,0 20px 0 -12px #f1f5f9,0 20px 1px -12px #94a3b8,0 40px 0 -24px #e2e8f0,0 40px 1px -24px #94a3b8}@media (hover: hover){.stacked-card:hover{transform:translateY(-4px);box-shadow:0 15px 30px #0000004d,0 25px 0 -12px #1e293b,0 25px 1px -12px #94a3b866,0 50px 0 -24px #1e293b,0 50px 1px -24px #94a3b866}body.light-mode .stacked-card:hover{box-shadow:0 15px 40px #00000026,0 25px 0 -12px #f1f5f9,0 25px 1px -12px #94a3b8,0 50px 0 -24px #e2e8f0,0 50px 1px -24px #94a3b8}}.stacked-card.stack-level-0{box-shadow:0 10px 20px #0003!important;margin-bottom:1.5rem!important;border-radius:32px!important}body.light-mode .stacked-card.stack-level-0{box-shadow:0 10px 30px #0000001a!important;border-radius:32px!important}.stacked-card.stack-level-1{box-shadow:0 10px 20px #0003,0 20px 0 -12px #1e293b,0 20px 1px -12px #94a3b866!important;margin-bottom:3rem!important;border-radius:32px!important}body.light-mode .stacked-card.stack-level-1{box-shadow:0 10px 30px #0000001a,0 20px 0 -12px #f1f5f9,0 20px 1px -12px #94a3b8!important;border-radius:32px!important}.card-enter-animation{animation:slideInCard .15s cubic-bezier(.16,1,.3,1)}@keyframes slideInCard{0%{opacity:0;transform:translate(40px) scale(.95)}to{opacity:1;transform:translate(0) scale(1)}}.card-enter-left{animation:slideInCardLeft .15s cubic-bezier(.16,1,.3,1)}@keyframes slideInCardLeft{0%{opacity:0;transform:translate(-40px) scale(.95)}to{opacity:1;transform:translate(0) scale(1)}}.card-exit-left{animation:cardExitLeft .15s ease-in forwards}.card-exit-right{animation:cardExitRight .15s ease-in forwards}@keyframes cardExitLeft{to{opacity:0;transform:translate(-120%) rotate(-15deg)}}@keyframes cardExitRight{to{opacity:0;transform:translate(120%) rotate(15deg)}}