@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-transition-duration:.15s;--default-transition-timing-function:cubic-bezier(.4, 0, .2, 1);--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before,::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}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;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){appearance:button}::file-selector-button{appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.relative{position:relative}.start{inset-inline-start:var(--spacing)}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.flex{display:flex}.overflow-hidden{overflow:hidden}.transition{transition-property:color,background-color,border-color,outline-color,text-decoration-color,fill,stroke,--tw-gradient-from,--tw-gradient-via,--tw-gradient-to,opacity,box-shadow,transform,translate,scale,rotate,filter,-webkit-backdrop-filter,backdrop-filter,display,content-visibility,overlay,pointer-events;transition-timing-function:var(--tw-ease,var(--default-transition-timing-function));transition-duration:var(--tw-duration,var(--default-transition-duration))}}:root{--bg-primary:#fafafa;--bg-card:#ffffffb8;--text-primary:#1a1a2e;--text-secondary:#6b7280;--red-primary:#dc2626;--red-light:#fef2f2;--red-glow:#dc262626;--gold:#f59e0b;--green:#16a34a;--blue:#2563eb}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;overflow:hidden}body{background:var(--bg-primary);color:var(--text-primary);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,SF Pro Text,Helvetica Neue,PingFang SC,Noto Sans SC,sans-serif}.glass-card{background:var(--bg-card);-webkit-backdrop-filter:blur(20px)saturate(180%);border:1px solid #ffffff80;border-radius:20px;box-shadow:0 4px 24px #0000000f,0 1px 2px #0000000a}.bg-blob-1{pointer-events:none;z-index:0;background:radial-gradient(circle,#dc262614 0%,#0000 70%);border-radius:50%;width:400px;height:400px;position:fixed;top:-120px;right:-80px}.bg-blob-2{pointer-events:none;z-index:0;background:radial-gradient(circle,#f59e0b0f 0%,#0000 70%);border-radius:50%;width:350px;height:350px;position:fixed;bottom:-100px;left:-60px}.bg-blob-3{pointer-events:none;z-index:0;background:radial-gradient(circle,#dc26260a 0%,#0000 70%);border-radius:50%;width:300px;height:300px;position:fixed;top:40%;left:50%;transform:translate(-50%)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#0000001f;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#0003}.option-btn{cursor:pointer;text-align:left;color:var(--text-primary);-webkit-backdrop-filter:blur(8px);background:#fff9;border:2px solid #0000000f;border-radius:14px;padding:14px 18px;font-size:15px;line-height:1.5;transition:all .25s cubic-bezier(.4,0,.2,1);position:relative}.option-btn:hover{background:#ffffffe6;border-color:#dc26264d;transform:translateY(-1px);box-shadow:0 4px 12px #dc262614}.option-btn.selected{border-color:var(--blue);background:#2563eb0f;box-shadow:0 0 0 3px #2563eb1a}.option-btn.correct{border-color:var(--green)!important;background:#16a34a14!important;box-shadow:0 0 0 3px #16a34a1f!important}.option-btn.wrong{border-color:var(--red-primary)!important;background:#dc26260f!important;box-shadow:0 0 0 3px #dc26261a!important}.option-btn.disabled{pointer-events:none;opacity:.85}.btn-primary{color:#fff;cursor:pointer;background:linear-gradient(135deg,#dc2626 0%,#b91c1c 100%);border:none;border-radius:14px;padding:12px 32px;font-size:16px;font-weight:600;transition:all .25s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 14px #dc26264d}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #dc262666}.btn-primary:active{transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.btn-secondary{color:var(--text-primary);cursor:pointer;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fff9;border:2px solid #00000014;border-radius:12px;padding:10px 24px;font-size:15px;font-weight:500;transition:all .25s cubic-bezier(.4,0,.2,1)}.btn-secondary:hover{background:#ffffffe6;border-color:#00000026;transform:translateY(-1px)}.progress-bar{background:#0000000f;border-radius:3px;height:6px;overflow:hidden}.progress-fill{background:linear-gradient(90deg,#dc2626,#f59e0b);border-radius:3px;height:100%;transition:width .5s cubic-bezier(.4,0,.2,1)}.cat-tag{cursor:pointer;-webkit-user-select:none;user-select:none;background:#ffffffb3;border:1px solid #0000000f;border-radius:20px;align-items:center;padding:4px 12px;font-size:12px;font-weight:500;transition:all .2s;display:inline-flex}.cat-tag:hover{background:#ffffffe6;border-color:#dc26264d}.cat-tag.active{border-color:var(--red-primary);color:var(--red-primary);background:#dc262614}.timer{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-ring{0%{box-shadow:0 0 #dc262633}70%{box-shadow:0 0 0 10px #dc262600}to{box-shadow:0 0 #dc262600}}.animate-fade-in-up{animation:.5s cubic-bezier(.4,0,.2,1) forwards fadeInUp}.score-circle{width:180px;height:180px;position:relative}.score-circle svg{transform:rotate(-90deg)}.score-circle .score-text{text-align:center;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.review-card{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffb3;border:1px solid #ffffff80;border-radius:16px;margin-bottom:12px;padding:20px}.review-card.wrong-card{border-left:4px solid var(--red-primary)}.review-card.correct-card{border-left:4px solid var(--green)}