@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800;900&family=JetBrains+Mono:wght@400;500&display=swap";:root{--color-primary: #5B6EF5;--color-primary-hover: #3A4ED4;--color-primary-light: #EEF0FF;--color-success: #18C96A;--color-success-light: #EDFFF4;--color-warning: #F59E0B;--color-warning-light: #FFFBEB;--color-danger: #F04F42;--color-danger-light: #FFF0F0;--indigo-50: #EEF0FF;--indigo-100: #C7CCFF;--indigo-200: #9AA5FF;--indigo-400: #5B6EF5;--indigo-600: #3A4ED4;--indigo-800: #2130A8;--indigo-900: #0F1B7C;--green-50: #EDFFF4;--green-200: #72F0AB;--green-400: #18C96A;--green-600: #0D9950;--green-800: #076B37;--amber-50: #FFFBEB;--amber-200: #FDD96A;--amber-400: #F59E0B;--amber-600: #D97706;--amber-800: #925200;--amber-900: #633800;--coral-50: #FFF0F0;--coral-200: #FF9A92;--coral-400: #F04F42;--coral-800: #8B211A;--color-bg: #FFFFFF;--color-surface: #F7F8FC;--color-border: #ECEEF5;--color-text: #1A1D2E;--color-text-body: #3D4155;--color-text-muted: #9095A8;--color-ink: #0D0F1A;--color-xp: #5B6EF5;--color-gold: #F59E0B;--color-gold-light: #FDD96A;--color-silver: #9095A8;--color-silver-light: #E8ECF2;--color-bronze: #FF9A92;--color-bronze-light: #FFD0CC;--color-chest-common: #D97706;--color-chest-rare: #7B6EDD;--color-chest-epic: #5B6EF5;--color-chest-legend: #F59E0B;--cat-prog-bg: #E8F4FF;--cat-prog-text: #0C4A8C;--cat-web-bg: #FFF1E8;--cat-web-text: #8B2E0A;--cat-games-bg: #FFE8F3;--cat-games-text: #8B1F5F;--cat-sec-bg: #EDFFF4;--cat-sec-text: #076B37;--cat-ai-bg: #F6EDFF;--cat-ai-text: #5A1F9C;--cat-db-bg: #F0F4E8;--cat-db-text: #3D5A0A;--cat-sys-bg: #FFF0E4;--cat-sys-text: #7A2800;--cat-design-bg: #FFFBEB;--cat-design-text: #925200;--cat-net-bg: #E8FDF9;--cat-net-text: #075946;--cat-personal-bg: #FDF0FB;--cat-personal-text: #6B1F63;--cat-office-bg: #F0EEFF;--cat-office-text: #3A2A99;--cat-business-bg: #FFF5E0;--cat-business-text: #7A4A00;--cat-code-bg: #E8F0F5;--cat-code-text: #2D4B5E;--font-ui: "Nunito", system-ui, -apple-system, sans-serif;--font-code: "JetBrains Mono", "Courier New", monospace;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-pill: 20px;--radius-full: 9999px;--shadow-sm: 0 2px 8px rgba(13, 15, 26, .06);--shadow-md: 0 4px 16px rgba(13, 15, 26, .08);--shadow-hover: 0 6px 24px rgba(91, 110, 245, .18);--anim-ui: .15s ease;--anim-normal: .2s ease;--anim-reward: .8s cubic-bezier(.34, 1.56, .64, 1);--anim-chest-open: .6s cubic-bezier(.34, 1.56, .64, 1);--anim-badge-reveal: .8s cubic-bezier(.22, 1, .36, 1);--anim-rank-up: 1s cubic-bezier(.34, 1.56, .64, 1);--anim-confetti: 1.2s ease-out;--delay-step-1: 0ms;--delay-step-2: .15s;--delay-step-3: .3s;--prog-bar-bg: #ECEEF5;--prog-bar-fill: #18C96A;--prog-bar-partial: #5B6EF5;--prog-bar-height: 6px;--prog-bar-radius: 3px;--xp-bar-fill: #5B6EF5;--xp-bar-bg: #ECEEF5;--xp-bar-height: 8px;--editor-bg: #FFFFFF;--editor-border: #ECEEF5;--editor-header-bg: #F7F8FC;--editor-header-text: #3D4155;--terminal-bg: #0D0F1A;--terminal-text: #F0F2FF;--terminal-accent: #18C96A;--output-success: #18C96A;--output-error: #F04F42;--output-warning: #F59E0B}[data-theme=dark]{--color-bg: #0D0F1A;--color-surface: #151827;--color-border: #2A2F4A;--color-text: #F0F2FF;--color-text-body: #B0B8D4;--color-text-muted: #6B7494;--color-primary: #7B8FFF}[data-audience=kids]{--radius-lg: 18px;--radius-xl: 24px;--body-size: 17px}[data-audience=teen]{--body-size: 16px}[data-audience=adult]{--radius-lg: 8px;--radius-xl: 12px;--body-size: 15px}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}*,:before,:after{--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: rgb(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: rgb(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: }*,:before,:after{box-sizing:border-box;border-width:0;border-style:solid;border-color:#e5e7eb}:before,:after{--tw-content: ""}html,:host{line-height:1.5;-webkit-text-size-adjust:100%;-moz-tab-size:4;-o-tab-size:4;tab-size:4;font-family:ui-sans-serif,system-ui,sans-serif,"Apple Color Emoji","Segoe UI Emoji",Segoe UI Symbol,"Noto Color Emoji";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,samp,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,Liberation Mono,Courier New,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,dl,dd,h1,h2,h3,h4,h5,h6,hr,figure,p,pre{margin:0}fieldset{margin:0;padding:0}legend{padding:0}ol,ul,menu{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}button,[role=button]{cursor:pointer}:disabled{cursor:default}img,svg,video,canvas,audio,iframe,embed,object{display:block;vertical-align:middle}img,video{max-width:100%;height:auto}[hidden]:where(:not([hidden=until-found])){display:none}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px;-webkit-font-smoothing:antialiased}body{font-family:var(--font-ui);background:var(--color-bg);color:var(--color-text);min-height:100dvh;overflow-x:hidden}.relative{position:relative}.z-10{z-index:10}.mb-1{margin-bottom:.25rem}.mb-3{margin-bottom:.75rem}.mb-5{margin-bottom:1.25rem}.mb-6{margin-bottom:1.5rem}.mb-7{margin-bottom:1.75rem}.mb-8{margin-bottom:2rem}.mt-1{margin-top:.25rem}.mt-6{margin-top:1.5rem}.block{display:block}.flex{display:flex}.h-16{height:4rem}.min-h-screen{min-height:100vh}.w-16{width:4rem}.w-full{width:100%}.max-w-\[420px\]{max-width:420px}.flex-col{flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.gap-2{gap:.5rem}.gap-3{gap:.75rem}.gap-4{gap:1rem}.rounded-full{border-radius:9999px}.border{border-width:1px}.p-8{padding:2rem}.px-4{padding-left:1rem;padding-right:1rem}.py-12{padding-top:3rem;padding-bottom:3rem}.text-center{text-align:center}.text-2xl{font-size:1.5rem;line-height:2rem}.text-sm{font-size:.875rem;line-height:1.25rem}.font-black{font-weight:900}.leading-relaxed{line-height:1.625}.text-text{color:var(--color-text)}.text-muted{color:var(--color-text-muted)}.text-body{color:var(--color-text-body)}.bg-orbs{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;overflow:hidden;pointer-events:none}.orb{position:absolute;border-radius:var(--radius-full);filter:blur(80px);opacity:.22;animation:orb-float 12s ease-in-out infinite}.orb-1{width:600px;height:600px;background:var(--color-primary);top:-200px;left:-200px;animation-delay:0s}.orb-2{width:400px;height:400px;background:var(--color-success);bottom:-100px;right:-100px;animation-delay:-4s}.orb-3{width:300px;height:300px;background:var(--indigo-200);top:50%;left:60%;animation-delay:-8s;opacity:.15}@keyframes orb-float{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-30px) scale(1.05)}66%{transform:translate(-20px,20px) scale(.97)}}.auth-card{position:relative;z-index:1;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-md)}.auth-input{width:100%;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:12px 16px;color:var(--color-text);font-family:var(--font-ui);font-size:.95rem;transition:border-color var(--anim-ui),box-shadow var(--anim-ui);outline:none}.auth-input::-moz-placeholder{color:var(--color-text-muted)}.auth-input::placeholder{color:var(--color-text-muted)}.auth-input:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #5b6ef526}.auth-input:disabled{background:var(--color-surface);cursor:not-allowed}.btn-primary{width:100%;background:var(--color-primary);color:#fff;font-family:var(--font-ui);font-weight:800;font-size:.95rem;padding:13px 24px;border-radius:var(--radius-pill);border:none;cursor:pointer;transition:background var(--anim-ui),transform var(--anim-ui),box-shadow var(--anim-ui);letter-spacing:.01em}.btn-primary:hover:not(:disabled){background:var(--color-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-hover)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-oauth{width:100%;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-pill);color:var(--color-text-body);font-family:var(--font-ui);font-weight:600;font-size:.9rem;padding:11px 16px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:10px;transition:background var(--anim-ui),border-color var(--anim-ui),transform var(--anim-ui)}.btn-oauth:hover:not(:disabled){background:var(--color-surface);border-color:var(--color-primary);color:var(--color-primary);transform:translateY(-1px)}.btn-oauth:disabled{opacity:.5;cursor:not-allowed}.divider{display:flex;align-items:center;gap:12px;color:var(--color-text-muted);font-size:.75rem;font-family:var(--font-ui);font-weight:700;letter-spacing:.1em;text-transform:uppercase}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--color-border)}.auth-error{background:var(--color-danger-light);border:1px solid var(--coral-200);border-radius:var(--radius-md);padding:10px 14px;color:var(--coral-800);font-size:.85rem;line-height:1.5}.auth-success{background:var(--color-success-light);border:1px solid var(--green-200);border-radius:var(--radius-md);padding:10px 14px;color:var(--green-800);font-size:.85rem;line-height:1.5}.auth-label{display:block;font-size:.75rem;font-weight:800;color:var(--color-text-muted);margin-bottom:6px;letter-spacing:.08em;text-transform:uppercase}.auth-link{color:var(--color-primary);font-weight:700;cursor:pointer;transition:color var(--anim-ui);text-decoration:none}.auth-link:hover{color:var(--color-primary-hover);text-decoration:underline}.spinner{display:inline-block;width:18px;height:18px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:var(--radius-full);animation:spin .7s linear infinite;flex-shrink:0}.spinner-center{display:inline-block;width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:var(--radius-full);animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.logo-link{display:inline-flex;align-items:center;gap:10px;background:var(--color-bg);border:1px solid var(--color-border);border-radius:var(--radius-pill);padding:6px 16px 6px 6px;transition:border-color var(--anim-ui),transform var(--anim-ui);text-decoration:none}.logo-link:hover{border-color:var(--color-primary);transform:translateY(-1px)}.logo-mark{width:30px;height:30px;border-radius:var(--radius-md);background:var(--color-primary);color:#fff;font-weight:900;font-size:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.logo-wordmark{font-weight:900;font-size:.95rem;color:var(--color-text);letter-spacing:-.02em}.fade-in{animation:fadeIn .4s ease forwards}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.powered-by{text-align:center;margin-top:24px;font-size:.72rem;color:var(--color-text-muted)}.powered-by strong{color:var(--color-text-body);font-weight:700}