*{box-sizing:border-box;}:root{--fs--2:clamp(0.6944rem,0.6643rem + 0.151vw,0.7813rem);--fs--1:clamp(0.8333rem,0.7971rem + 0.1812vw,0.9375rem);--fs-0:clamp(1rem,0.9565rem + 0.2174vw,1.125rem);--fs-1:clamp(1.2rem,1.1478rem + 0.2609vw,1.35rem);--fs-2:clamp(1.44rem,1.3774rem + 0.313vw,1.62rem);--fs-3:clamp(1.728rem,1.6529rem + 0.3757vw,1.944rem);--fs-4:clamp(2.0736rem,1.9834rem + 0.4508vw,2.3328rem);--fs-5:clamp(2.4883rem,2.3801rem + 0.5409vw,2.7994rem);--space-3xs:clamp(0.25rem,0.2283rem + 0.1087vw,0.3125rem);--space-2xs:clamp(0.5rem,0.4783rem + 0.1087vw,0.5625rem);--space-xs:clamp(0.75rem,0.7065rem + 0.2174vw,0.875rem);--space-s:clamp(1rem,0.9565rem + 0.2174vw,1.125rem);--space-m:clamp(1.5rem,1.4348rem + 0.3261vw,1.6875rem);--space-l:clamp(2rem,1.913rem + 0.4348vw,2.25rem);--space-xl:clamp(3rem,2.8696rem + 0.6522vw,3.375rem);--space-s-m:clamp(1rem,0.7609rem + 1.1957vw,1.6875rem);--space-s-l:clamp(1rem,0.5652rem + 2.1739vw,2.25rem);--grid-max-width:920px;--grid-gutter:var(--space-s-l,clamp(1rem,0.4975rem + 2.5126vw,2.25rem));--grid-columns:12;--font-family-sans:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-family-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;--color-bg:#fff;--color-bg-secondary:#f3f3f3;--color-text-primary:#334159;--color-text-secondary:#64748b;--color-text-secondary-light:#94a3b8;--color-primary:#353739;--color-primary-light:#495766;--color-primary-contrast:#6b7990;--color-primary-invert:#364153;--color-secondary:#505968;--color-secondary-light:#808794;--color-code-bg:#f9f2f4;--color-link:#0071e3;--color-link-hover:#0b65ff;--color-border:#e2e8f0;--color-progress:#339a48;--color-notice:aliceblue;--success:#10b981;--success-light:#34d399;--danger:#ef4444;--danger-light:#f87171;--warning:#f59e0b;--warning-light:#fbbf24;--info:#0ea5e9;--info-light:#38bdf8;--transition-base:all 0.2s ease-in-out;--transition-slow:all 0.3s ease-in-out;--gradient-link:linear-gradient( 135deg,var(--color-link) 0%,var(--color-link-hover) 100% );--gradient-primary:linear-gradient( 135deg,var(--color-primary) 0%,var(--color-primary-contrast) 100% );--gradient-secondary:linear-gradient( 135deg,var(--color-secondary) 0%,var(--color-secondary-light) 100% );--gradient-success:linear-gradient( 135deg,var(--success) 0%,var(--success-light) 100% );--gradient-danger:linear-gradient( 135deg,var(--danger) 0%,var(--danger-light) 100% );--gradient-warning:linear-gradient( 135deg,var(--warning) 0%,var(--warning-light) 100% );--gradient-info:linear-gradient( 135deg,var(--info) 0%,var(--info-light) 100% );--shadow-sm:0 1px 2px 0 rgba(0,0,0,0.1);--border-radius:var(--space-3xs);}@media (prefers-color-scheme:dark){:root{--color-bg:rgb(17 18 20);--color-bg-secondary:rgb(35 35 41);--color-text-primary:#e9eaed;--color-text-secondary:#94a3b8;--color-text-secondary-light:#64748b;--color-primary:#353739;--color-primary-light:#495766;--color-primary-contrast:#3e4349;--color-primary-invert:#e9eaed;--color-secondary:#2c3647;--color-secondary-light:#808794;--color-code-bg:#301a20;--color-link:#2e89e5;--color-link-hover:#429efb;--color-border:#565d6a;--color-progress:#339a48;--color-notice:#053157;--success:#1f8c68;--success-light:#32d398;--danger:#c52020;--danger-light:#ff4646;--warning:#e89b1a;--warning-light:#fbbf24;--info:#117fb0;--info-light:#38bdf8;}}.u-container,body{max-width:var(--grid-max-width);padding-inline:var(--grid-gutter);margin-inline:auto;}.u-grid{display:grid;gap:var(--grid-gutter);}html{scroll-behavior:smooth;}body{display:flex;flex-direction:column;min-height:100vh;background-color:var(--color-bg);color:var(--color-text-primary);font-family:var(--font-family-sans);font-size:var(--fs-0);line-height:var(--space-m);transition:var(--transition-slow);animation:fadeIn 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cite{font-style:italic;}ul,ol{margin-bottom:var(--space-xs);padding-left:var(--space-m);}li{margin-block:var(--space-3xs);}li:last-child{margin-bottom:0;}details summary{cursor:pointer;position:relative;padding-bottom:var(--space-2xs);}details summary:after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:linear-gradient(to right,var(--color-border),transparent);}details > *:not(summary){cursor:auto;margin-top:var(--space-2xs);}table{border-collapse:separate;border-spacing:0;margin-bottom:var(--space-s);border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--shadow-sm);width:100%;display:block;overflow-x:auto;}@media screen and (min-width:480px){table{display:table;}}caption{margin-block:var(--space-s);text-transform:uppercase;font-weight:bold;}th,td{padding:var(--space-xs);border-bottom:1px solid var(--color-border);text-align:left;}thead{background:var(--color-secondary);}th{font-weight:bold;color:white;text-transform:uppercase;font-size:0.875rem;letter-spacing:0.05em;}tr:last-child td{border-bottom:none;}tr:hover td{background-color:rgba(0,0,0,0.02);}tfoot{background:var(--color-secondary-light);}form{margin-bottom:var(--space-s);}form > div{margin-bottom:var(--space-s);}input,select,textarea,button{font-family:inherit;font-size:inherit;line-height:inherit;}input[type="text"],input[type="email"],input[type="password"],input[type="number"],input[type="search"],input[type="tel"],input[type="url"],input[type="date"],input[type="datetime-local"],input[type="month"],input[type="week"],input[type="time"],input[type="color"],input[type="file"],input[type="range"],input[type="checkbox"],input[type="radio"],select,textarea{display:block;width:100%;margin-bottom:var(--space-s);padding:var(--space-2xs);border:1px solid 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select{background-image:url("data:image/svg+xml;utf8,<svg fill='%23e2e8f0' height='16' viewBox='0 0 24 24' width='16' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/></svg>");}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--color-border);box-shadow:0 0 0px 3px var(--color-primary-light);}input[type="range"]:focus{box-shadow:none;}textarea{min-height:9rem;resize:vertical;}label{display:block;margin-bottom:var(--space-3xs);font-weight:500;}button,input[type="button"],input[type="reset"],input[type="submit"]{vertical-align:middle;min-height:3.1rem;min-width:6.5rem;display:inline-block;padding:var(--space-2xs) var(--space-s);margin-block:var(--space-s);margin-inline:0;background:var(--gradient-primary);color:white;border:none;border-radius:0.75rem;cursor:pointer;font-weight:600;text-align:center;transition:var(--transition-base);position:relative;overflow:hidden;}button:empty::after{content:"";position:absolute;top:calc(50% - 12px);left:calc(50% - 12px);width:16px;height:16px;border:3px solid rgb(255,255,255);border-top:3px solid transparent;border-bottom:3px solid transparent;border-radius:50%;animation:spin 1s linear infinite;}@keyframes spin{0%{transform:rotate(0deg);}100%{transform:rotate(360deg);}}button:after,input[type="button"]:after,input[type="reset"]:after,input[type="submit"]:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-color:rgba(255,255,255,0);transition:var(--transition-base);}button:hover:after,input[type="button"]:hover:after,input[type="reset"]:hover:after,input[type="submit"]:hover:after{background-color:rgba(255,255,255,0.1);}button:hover,input[type="button"]:hover,input[type="reset"]:hover,input[type="submit"]:hover{box-shadow:var(--shadow-sm);}button:active,input[type="button"]:active,input[type="reset"]:active,input[type="submit"]:active{transform:translateY(2px);box-shadow:var(--shadow-sm);filter:saturate(0.9) brightness(1.1);}button:disabled,input[type="button"]:disabled,input[type="reset"]:disabled,input[type="submit"]:disabled{background:var(--gradient-secondary);cursor:not-allowed;opacity:0.14;transform:none;}button.success,input[type="button"].success,input[type="submit"].success{background:var(--gradient-success);}button.danger,input[type="button"].danger,input[type="submit"].danger{background:var(--gradient-danger);}button.warning,input[type="button"].warning,input[type="submit"].warning{background:var(--gradient-warning);}button.info,input[type="button"].info,input[type="submit"].info{background:var(--gradient-info);}button.outline,input[type="button"].outline,input[type="submit"].outline{background:transparent;border:1px solid var(--color-primary-invert);color:var(--color-primary-invert);}button.outline:hover,input[type="button"].outline:hover,input[type="submit"].outline:hover{background-color:var(--color-primary);color:white;}progress{height:2rem;width:100%;}img{max-width:100%;height:auto;border-radius:var(--space-2xs);transition:var(--transition-base);}img:hover{transform:scale(1.01);box-shadow:var(--shadow-sm);}figure{text-align:center;margin-bottom:var(--space-s);width:100%;margin-inline:auto;}figcaption{font-size:0.875rem;color:var(--color-text-secondary);text-align:center;margin-top:var(--space-2xs);}footer{margin-block:var(--space-s);}body,a,button,input,select,textarea,th,td,code,pre,blockquote,article,section,aside{transition:background-color 0.3s ease,color 0.3s ease,border-color 0.3s ease,box-shadow 0.3s ease;}@keyframes fadeIn{0%{opacity:0;}100%{opacity:1;}}.notice{background-color:var(--color-notice);padding:var(--space-xs);border-radius:var(--border-radius);margin-inline:auto;}.notice::before{content:"ℹ️";display:inline-block;margin-right:var(--space-2xs);}