@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;--color-red-500:#fb2c36;--color-amber-500:#f99c00;--color-green-500:#00c758;--color-blue-500:#3080ff;--color-purple-500:#ac4bff;--spacing:.25rem;--container-md:28rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}@supports (color:lab(0% 0 0)){:root,:host{--color-red-500:lab(55.4814% 75.0732 48.8528);--color-amber-500:lab(72.7183% 31.8672 97.9407);--color-green-500:lab(70.5521% -66.5147 45.8073);--color-blue-500:lab(54.1736% 13.3369 -74.6839);--color-purple-500:lab(52.0183% 66.11 -78.2316)}}}@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{.visible{visibility:visible}.absolute{position:absolute}.fixed{position:fixed}.flex{display:flex}.grid{display:grid}.min-h-dvh{min-height:100dvh}.max-w-md{max-width:var(--container-md)}.resize{resize:both}.items-center{align-items:center}.justify-center{justify-content:center}.bg-amber-500{background-color:var(--color-amber-500)}.bg-blue-500{background-color:var(--color-blue-500)}.bg-green-500{background-color:var(--color-green-500)}.bg-purple-500{background-color:var(--color-purple-500)}.bg-red-500{background-color:var(--color-red-500)}.p-4{padding:calc(var(--spacing) * 4)}.p-6{padding:calc(var(--spacing) * 6)}.text-center{text-align:center}}:root{--bg:#0a0a1a;--card:#12122a;--accent:#6366f1;--accent2:#a855f7;--text:#e2e8f0;--text-dim:#94a3b8;--success:#22c55e;--error:#ef4444;--border:#1e1e3a}*{box-sizing:border-box}body{background:var(--bg);color:var(--text);min-height:100dvh;font-family:Inter,system-ui,-apple-system,sans-serif;overflow-x:hidden}.bg-grid{background-image:radial-gradient(circle at 50% 0,#6366f114 0%,#0000 50%),radial-gradient(circle at 80% 20%,#a855f70d 0%,#0000 40%)}.card{background:var(--card);border:1px solid var(--border);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:1rem}.btn{cursor:pointer;border:1px solid #0000;border-radius:.75rem;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.9375rem;font-weight:600;transition:all .2s;display:inline-flex}.btn:active{transform:scale(.97)}.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent2));color:#fff;box-shadow:0 4px 20px #6366f14d}.btn-primary:hover{box-shadow:0 6px 30px #6366f166}.btn-secondary{color:var(--text);border-color:var(--border);background:#ffffff0f}.btn-secondary:hover{background:#ffffff1a}.option-btn{border:2px solid var(--border);width:100%;color:var(--text);text-align:left;cursor:pointer;background:#ffffff0a;border-radius:.75rem;padding:1rem 1.25rem;font-size:1.125rem;font-weight:500;transition:all .2s}.option-btn:hover:not(.disabled){border-color:var(--accent);background:#6366f114}.option-btn.correct{animation:.5s pulse-green;border-color:var(--success)!important;background:#22c55e1f!important}.option-btn.wrong{animation:.4s shake;border-color:var(--error)!important;background:#ef44441f!important}.option-btn.disabled{cursor:default;opacity:.5}.option-btn.disabled.correct,.option-btn.disabled.wrong{opacity:1}@keyframes pulse-green{0%,to{transform:scale(1)}50%{transform:scale(1.02)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-8px)}to{opacity:1;transform:translate(0)}}.animate-in{animation:.3s forwards fadeInUp}.progress-bar{background:var(--border);border-radius:2px;height:4px;overflow:hidden}.progress-fill{background:linear-gradient(90deg, var(--accent), var(--accent2));border-radius:2px;height:100%;transition:width .4s}.stage-badge{color:#fff;border-radius:9999px;align-items:center;gap:.375rem;padding:.25rem .75rem;font-size:.75rem;font-weight:600;display:inline-flex}.score-chip{border:1px solid var(--border);background:#ffffff0f;border-radius:9999px;align-items:center;gap:.25rem;padding:.25rem .625rem;font-size:.8125rem;font-weight:600;display:inline-flex}.lang-toggle{border:1px solid var(--border);background:#ffffff0a;border-radius:.5rem;display:inline-flex;overflow:hidden}.lang-toggle button{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:.375rem .625rem;font-size:.75rem;font-weight:600;transition:all .15s}.lang-toggle button.active{background:var(--accent);color:#fff}.level-dot{cursor:pointer;border:2px solid var(--border);border-radius:.5rem;justify-content:center;align-items:center;width:2rem;height:2rem;font-size:.75rem;font-weight:700;transition:all .2s;display:flex}.level-dot.completed{background:var(--success);border-color:var(--success);color:#fff}.level-dot.current{border-color:var(--accent);color:var(--accent);background:#6366f126;box-shadow:0 0 12px #6366f14d}.level-dot.locked{color:var(--text-dim);cursor:not-allowed;background:#ffffff08}