@import url("https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");*,:after,:before{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }::backdrop{--tw-border-spacing-x:0;--tw-border-spacing-y:0;--tw-translate-x:0;--tw-translate-y:0;--tw-rotate:0;--tw-skew-x:0;--tw-skew-y:0;--tw-scale-x:1;--tw-scale-y:1;--tw-pan-x: ;--tw-pan-y: ;--tw-pinch-zoom: ;--tw-scroll-snap-strictness:proximity;--tw-gradient-from-position: ;--tw-gradient-via-position: ;--tw-gradient-to-position: ;--tw-ordinal: ;--tw-slashed-zero: ;--tw-numeric-figure: ;--tw-numeric-spacing: ;--tw-numeric-fraction: ;--tw-ring-inset: ;--tw-ring-offset-width:0px;--tw-ring-offset-color:#fff;--tw-ring-color:rgba(59,130,246,.5);--tw-ring-offset-shadow:0 0 #0000;--tw-ring-shadow:0 0 #0000;--tw-shadow:0 0 #0000;--tw-shadow-colored:0 0 #0000;--tw-blur: ;--tw-brightness: ;--tw-contrast: ;--tw-grayscale: ;--tw-hue-rotate: ;--tw-invert: ;--tw-saturate: ;--tw-sepia: ;--tw-drop-shadow: ;--tw-backdrop-blur: ;--tw-backdrop-brightness: ;--tw-backdrop-contrast: ;--tw-backdrop-grayscale: ;--tw-backdrop-hue-rotate: ;--tw-backdrop-invert: ;--tw-backdrop-opacity: ;--tw-backdrop-saturate: ;--tw-backdrop-sepia: ;--tw-contain-size: ;--tw-contain-layout: ;--tw-contain-paint: ;--tw-contain-style: }

/*
! tailwindcss v3.4.19 | MIT License | https://tailwindcss.com
*/*,:after,:before{box-sizing:border-box;border:0 solid #e5e7eb}:after,:before{--tw-content:""}:host,html{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:Inter,system-ui,sans-serif;font-feature-settings:normal;font-variation-settings:normal;-webkit-tap-highlight-color:transparent}body{margin:0;line-height:inherit}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,pre,samp{font-family:JetBrains Mono,monospace;font-feature-settings:normal;font-variation-settings:normal;font-size:1em}small{font-size:80%}sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}button,input,optgroup,select,textarea{font-family:inherit;font-feature-settings:inherit;font-variation-settings:inherit;font-size:100%;font-weight:inherit;line-height:inherit;letter-spacing:inherit;color:inherit;margin:0;padding:0}button,select{text-transform:none}button,input:where([type=button]),input:where([type=reset]),input:where([type=submit]){-webkit-appearance:button;background-color:transparent;background-image:none}:-moz-focusring{outline:auto}:-moz-ui-invalid{box-shadow:none}progress{vertical-align:baseline}::-webkit-inner-spin-button,::-webkit-outer-spin-button{height:auto}[type=search]{-webkit-appearance:textfield;outline-offset:-2px}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-file-upload-button{-webkit-appearance:button;font:inherit}summary{display:list-item}blockquote,dd,dl,figure,h1,h2,h3,h4,h5,h6,hr,p,pre{margin:0}fieldset{margin:0}fieldset,legend{padding:0}menu,ol,ul{list-style:none;margin:0;padding:0}dialog{padding:0}textarea{resize:vertical}input::-moz-placeholder,textarea::-moz-placeholder{opacity:1;color:#9ca3af}input::placeholder,textarea::placeholder{opacity:1;color:#9ca3af}[role=button],button{cursor:pointer}:disabled{cursor:default}audio,canvas,embed,iframe,img,object,svg,video{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}.visible{visibility:visible}.fixed{position:fixed}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.z-10{z-index:10}.mx-auto{margin-left:auto;margin-right:auto}.block{display:block}.inline-block{display:inline-block}.flex{display:flex}.inline-flex{display:inline-flex}.grid{display:grid}.hidden{display:none}.h-14{height:3.5rem}.min-h-screen{min-height:100vh}.max-w-2xl{max-width:42rem}.max-w-5xl{max-width:64rem}.transform{transform:translate(var(--tw-translate-x),var(--tw-translate-y)) rotate(var(--tw-rotate)) skewX(var(--tw-skew-x)) skewY(var(--tw-skew-y)) scaleX(var(--tw-scale-x)) scaleY(var(--tw-scale-y))}.resize{resize:both}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-1{gap:.25rem}.gap-2{gap:.5rem}.border{border-width:1px}.px-4{padding-left:1rem;padding-right:1rem}.py-8{padding-top:2rem;padding-bottom:2rem}.uppercase{text-transform:uppercase}.no-underline{text-decoration-line:none}.antialiased{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.outline{outline-style:solid}.blur{--tw-blur:blur(8px)}.blur,.drop-shadow{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.drop-shadow{--tw-drop-shadow:drop-shadow(0 1px 2px rgba(0,0,0,.1)) drop-shadow(0 1px 1px rgba(0,0,0,.06))}.filter{filter:var(--tw-blur) var(--tw-brightness) var(--tw-contrast) var(--tw-grayscale) var(--tw-hue-rotate) var(--tw-invert) var(--tw-saturate) var(--tw-sepia) var(--tw-drop-shadow)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.ease-in-out{transition-timing-function:cubic-bezier(.4,0,.2,1)}:root{--bg-primary:#0a0f1e;--bg-card:#111827;--bg-card-hover:#161f35;--border:rgba(99,102,241,.2);--accent:#6366f1;--accent-glow:rgba(99,102,241,.3)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background-color:#0a0f1e;color:#e2e8f0;font-family:Inter,system-ui,sans-serif;min-height:100vh}body:before{content:"";position:fixed;inset:0;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");pointer-events:none;z-index:0;opacity:.6}.card{background:rgba(17,24,39,.8);border:1px solid rgba(99,102,241,.15);border-radius:16px;backdrop-filter:blur(12px)}.card-hover{transition:border-color .2s,transform .2s,box-shadow .2s}.card-hover:hover{border-color:rgba(99,102,241,.4);transform:translateY(-2px);box-shadow:0 8px 32px rgba(99,102,241,.15)}.btn-primary{background:linear-gradient(135deg,#4f46e5,#6366f1);color:#fff;border-radius:10px;padding:11px 24px;font-weight:500;font-size:15px;transition:opacity .15s,transform .15s,box-shadow .15s;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px}.btn-primary:hover{opacity:.9;transform:translateY(-1px);box-shadow:0 4px 20px rgba(99,102,241,.4)}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none}.btn-ghost{background:transparent;border:1px solid rgba(99,102,241,.3);color:#a5b4fc;border-radius:10px;padding:10px 20px;font-size:14px;font-weight:500;cursor:pointer;transition:background .15s,border-color .15s}.btn-ghost:hover{background:rgba(99,102,241,.1);border-color:rgba(99,102,241,.5)}.option-btn{width:100%;text-align:left;padding:14px 18px;border-radius:12px;border:1px solid rgba(99,102,241,.15);background:rgba(17,24,39,.6);color:#cbd5e1;font-size:15px;cursor:pointer;transition:all .15s;display:flex;align-items:center;gap:12px}.option-btn:hover:not(:disabled){border-color:rgba(99,102,241,.4);background:rgba(99,102,241,.08);color:#e2e8f0}.option-btn.selected{border-color:#6366f1;background:rgba(99,102,241,.15);color:#a5b4fc}.option-btn.correct{border-color:#10b981;background:rgba(16,185,129,.1);color:#6ee7b7}.option-btn.wrong{border-color:#ef4444;background:rgba(239,68,68,.1);color:#fca5a5}.option-btn:disabled{cursor:default}.option-letter{width:28px;height:28px;border-radius:50%;background:rgba(99,102,241,.15);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#818cf8;flex-shrink:0}.progress-ring{transform:rotate(-90deg);transform-origin:center}.glow-text{background:linear-gradient(135deg,#818cf8,#c7d2fe);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.score-display{background:conic-gradient(from 0deg,#4f46e5,#818cf8,#c7d2fe,#4f46e5);border-radius:50%;padding:4px}.score-inner{background:#0a0f1e;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-direction:column}input[type=number],input[type=text],select{background:rgba(17,24,39,.8);border:1px solid rgba(99,102,241,.2);border-radius:10px;color:#e2e8f0;padding:11px 14px;font-size:15px;width:100%;outline:none;transition:border-color .15s;font-family:Inter,sans-serif}input[type=number]:focus,input[type=text]:focus,select:focus{border-color:rgba(99,102,241,.6);box-shadow:0 0 0 3px rgba(99,102,241,.1)}select option{background:#111827}.timer-circle{filter:drop-shadow(0 0 8px rgba(99,102,241,.5))}.category-pill{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.05em;text-transform:uppercase}.scrollbar-thin::-webkit-scrollbar{width:4px}.scrollbar-thin::-webkit-scrollbar-track{background:transparent}.scrollbar-thin::-webkit-scrollbar-thumb{background:rgba(99,102,241,.3);border-radius:2px}@keyframes timer-pulse{0%,to{opacity:1}50%{opacity:.6}}.timer-urgent{animation:timer-pulse .8s ease-in-out infinite;color:#f87171}