:root{color-scheme:light;--font-sans: "Roboto", system-ui, -apple-system, Segoe UI, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--brand-500: #19D5FD;--brand-400: #66E0FF;--brand-600: #297FB9;--brand-700: #1D61F0;--bg-50: #F7FAFD;--bg-0: #FFFFFF;--bg-100: #E9EFF6;--text-900: #111318;--text-700: #3A414A;--text-500: #667085;--link: var(--brand-700);--success-600: #16A086;--warning-600: #DA621E;--danger-600: #C02F1D;--info-600: #41BBC1;--border: color-mix(in srgb, var(--text-900) 12%, var(--bg-0));--border-strong: color-mix(in srgb, var(--text-900) 20%, var(--bg-0));--shadow-sm: 0 1px 2px rgba(0,0,0,.1), 0 1px 3px rgba(0,0,0,.08);--shadow-md: 0 10px 28px rgba(0,0,0,.18), 0 3px 10px rgba(0,0,0,.1);--scrim: rgba(0,0,0,.32);--r-sm: 12px;--r-md: 16px;--r-lg: 24px;--s-1: 4px;--s-2: 8px;--s-3: 12px;--s-4: 16px;--s-5: 20px;--s-6: 24px;--s-7: 32px;--focus-ring: 0 0 0 3px color-mix(in srgb, var(--brand-500) 40%, transparent)}@media(prefers-color-scheme:dark){:root{color-scheme:dark;--bg-50: #0F1418;--bg-0: #141B21;--bg-100: #1C2630;--text-900: #E7EEF6;--text-700: #CBD6E2;--text-500: #9AA9B8;--link: var(--brand-400);--border: color-mix(in srgb, var(--text-900) 14%, var(--bg-0));--border-strong: color-mix(in srgb, var(--text-900) 22%, var(--bg-0));--shadow-sm: 0 1px 2px rgba(0,0,0,.55), 0 1px 3px rgba(0,0,0,.35);--shadow-md: 0 14px 34px rgba(0,0,0,.6), 0 6px 16px rgba(0,0,0,.35);--scrim: rgba(0,0,0,.6)}}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--font-sans);color:var(--text-900);background:var(--bg-50);line-height:1.4}a{color:var(--link);text-decoration:none}a:hover{text-decoration:underline}code,pre{font-family:var(--font-mono)}code{background:color-mix(in srgb,var(--bg-100) 80%,var(--bg-0) 20%);padding:2px 6px;border-radius:8px}input,select,textarea,button{font:inherit}input,select,textarea{background:var(--bg-0);color:var(--text-900);border:1px solid var(--border);border-radius:var(--r-sm);padding:8px 10px;outline:none}textarea{width:100%;min-height:80px}input:focus,select:focus,textarea:focus,button:focus{box-shadow:var(--focus-ring)}button{background:var(--bg-0);color:var(--text-900);border:1px solid var(--border);border-radius:var(--r-sm);padding:8px 12px;cursor:pointer;position:relative;overflow:hidden;min-height:36px;transition:background-color .15s ease,border-color .15s ease,box-shadow .15s ease}button:after{content:"";position:absolute;inset:0;background:currentColor;opacity:0;pointer-events:none;transition:opacity .15s ease}button:hover{border-color:var(--border-strong)}button:hover:after{opacity:.08}button:active:after{opacity:.12}button:disabled{opacity:.55;cursor:not-allowed;transform:none}button:disabled:after{opacity:0}.btn-primary{background:var(--brand-500);border-color:color-mix(in srgb,var(--brand-500) 70%,var(--brand-700) 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