:root{--color-blue-50:#eff3ff;--color-blue-100:#ccd8fe;--color-blue-500:#4368fa;--color-blue-600:#4160db;--color-blue-900:#27325e;--color-gray-50:#f7f8fa;--color-gray-100:#eff1f7;--color-gray-200:#c0cad8;--color-gray-300:#a7b4c8;--color-gray-500:#687ca1;--color-gray-600:#56688a;--color-gray-900:#1f2632;--color-info-300:#62ddfe;--color-info-500:#00a5db;--color-accent:var(--color-blue-500);--color-accent-hover:var(--color-blue-600);--color-accent-contrast:#ffffff;--color-blazer:var(--color-blue-900);--color-canvas:var(--color-gray-50);--color-surface:#ffffff;--color-surface-raised:#ffffff;--color-ink:var(--color-gray-900);--color-ink-muted:var(--color-gray-600);--color-ink-subtle:var(--color-gray-500);--color-border:var(--color-gray-200);--color-border-strong:var(--color-gray-300);--color-danger:#b42318;--color-danger-surface:#fef3f2;--color-danger-border:#f5c6c2;--font-sans:"Gilroy","Inter","Segoe UI",system-ui,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--shadow-sm:0 1px 2px rgba(31,38,50,0.06);--shadow-md:0 4px 16px rgba(31,38,50,0.08);--shadow-lg:0 12px 40px rgba(31,38,50,0.12);--header-height:60px}*,:after,:before{box-sizing:border-box}body,html{margin:0;padding:0}html{color-scheme:light}body{min-height:100dvh;background:var(--color-canvas);color:var(--color-ink);font-family:var(--font-sans);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}.appHeader{height:var(--header-height);gap:var(--space-4);padding:0 var(--space-5);background:var(--color-blazer);color:#ffffff;position:-webkit-sticky;position:sticky;top:0;z-index:10}.appHeader,.appHeader__brand{display:flex;align-items:center}.appHeader__brand{gap:var(--space-3);font-weight:600;letter-spacing:-.01em}.appHeader__mark{width:28px;height:28px;border-radius:var(--radius-md);background:var(--color-accent);color:var(--color-accent-contrast);display:grid;place-items:center;font-size:14px;font-weight:700;flex:none}.appHeader__divider{width:1px;height:22px;background:rgba(255,255,255,.25)}.appHeader__title{font-size:15px;font-weight:400;color:var(--color-info-300);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.appHeader__spacer{margin-left:auto}.appHeader__actions{display:flex;align-items:center;gap:var(--space-2)}.main{max-width:960px;margin:0 auto;padding:var(--space-7) var(--space-5) var(--space-8)}.button{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;border-radius:var(--radius-sm);padding:8px 14px;font:inherit;font-size:14px;font-weight:500;line-height:1.2;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);transition:background-color .12s ease,border-color .12s ease,color .12s ease}.button--primary{background:var(--color-accent);color:var(--color-accent-contrast)}.button--primary:hover:not(:disabled){background:var(--color-accent-hover)}.button--ghost{background:transparent;border-color:var(--color-border-strong);color:var(--color-ink-muted)}.button--ghost:hover:not(:disabled){color:var(--color-ink);border-color:var(--color-ink-subtle)}.appHeader .button--ghost{border-color:rgba(255,255,255,.3);color:rgba(255,255,255,.85)}.appHeader .button--ghost:hover:not(:disabled){background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.55);color:#ffffff}.appHeader :focus-visible{outline-color:#ffffff}.button:disabled{opacity:.6;cursor:not-allowed}.button--block{width:100%}.login{min-height:100dvh;display:grid;place-items:center;padding:var(--space-5)}.login__card{width:100%;max-width:380px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);padding:var(--space-6)}.login__mark{width:40px;height:40px;border-radius:10px;background:var(--color-accent);color:var(--color-accent-contrast);display:grid;place-items:center;font-size:18px;font-weight:700;margin-bottom:var(--space-5)}.login__title{margin:0 0 var(--space-2);font-size:21px;font-weight:600;letter-spacing:-.02em}.login__subtitle{margin:0 0 var(--space-5);font-size:14px;color:var(--color-ink-muted)}.field{display:block;margin-bottom:var(--space-4)}.field__label{display:block;font-size:13px;font-weight:500;margin-bottom:var(--space-2);color:var(--color-ink-muted)}.field__input{width:100%;font:inherit;font-size:15px;padding:10px 12px;color:var(--color-ink);background:var(--color-canvas);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);transition:border-color .12s ease}.field__input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-accent) 18%,transparent)}.alert{margin-bottom:var(--space-4);padding:10px 12px;font-size:14px;border-radius:var(--radius-sm);background:var(--color-danger-surface);border:1px solid var(--color-danger-border);color:var(--color-danger)}.login__footer{margin:var(--space-5) 0 0;font-size:12px;color:var(--color-ink-subtle);text-align:center}.pageHeading{margin:0 0 var(--space-2);font-size:28px;font-weight:600;letter-spacing:-.02em}.pageSubheading{margin:0 0 var(--space-6);color:var(--color-ink-muted);font-size:15px}.cardGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));grid-gap:var(--space-4);gap:var(--space-4);list-style:none;margin:0;padding:0}.card{display:flex;flex-direction:column;gap:var(--space-2);height:100%;padding:var(--space-5);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:border-color .12s ease,box-shadow .12s ease,transform .12s ease}.card:hover{border-color:var(--color-accent);box-shadow:var(--shadow-md);transform:translateY(-1px)}.card__title{margin:0;font-size:16px;font-weight:600;letter-spacing:-.01em}.card__description{margin:0;font-size:14px;color:var(--color-ink-muted)}.card__meta{margin-top:auto;padding-top:var(--space-3);font-size:12px;color:var(--color-ink-subtle)}.empty{background:var(--color-surface);border:1px dashed var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-7) var(--space-5);text-align:center}.empty__title{margin:0 0 var(--space-2);font-size:17px;font-weight:600}.empty__body{margin:0 auto var(--space-4);max-width:46ch;color:var(--color-ink-muted);font-size:14px}.empty__code{display:inline-block;font-family:var(--font-mono);font-size:13px;background:var(--color-canvas);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:3px 7px}.viewer{display:flex;flex-direction:column;height:100dvh}.viewer__frame{flex:1 1;width:100%;border:0;display:block;background:var(--color-surface)}.backLink{display:inline-flex;align-items:center;gap:var(--space-2);font-size:14px;color:var(--color-ink-muted)}.backLink:hover{color:var(--color-ink)}