:root{--color-bg:#ffffff;--color-bg-subtle:#f8fafc;--color-bg-raised:#ffffff;--color-fg:#0f172a;--color-muted:#64748b;--color-border:#e2e8f0;--color-border-strong:#cbd5e1;--color-primary:#1a56db;--color-primary-hover:#1445b0;--color-primary-soft:#eef3ff;--color-primary-contrast:#ffffff;--color-accent:#0d9488;--color-accent-soft:#ecfdf9;--color-danger:#b42318;--color-danger-bg:#fef3f2;--color-danger-border:#fda29b;--color-success:#067647;--color-success-bg:#ecfdf3;--color-success-border:#a6f4c5;--color-warning:#b54708;--color-warning-bg:#fffaeb;--color-warning-border:#fec84b;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--radius-sm:6px;--radius:10px;--radius-lg:16px;--radius-full:999px;--shadow-sm:0 1px 2px rgba(15,23,42,0.06);--shadow-md:0 4px 16px rgba(15,23,42,0.08);--shadow-lg:0 12px 32px rgba(15,23,42,0.12);--color-support-bg:#7c2d12;--color-support-fg:#ffffff;--focus-ring:3px solid #1a56db;--transition:150ms ease}@media (prefers-color-scheme:dark){:root{--color-bg:#111827;--color-bg-subtle:#0b1120;--color-bg-raised:#1e293b;--color-fg:#e2e8f0;--color-muted:#94a3b8;--color-border:#334155;--color-border-strong:#475569;--color-primary:#60a5fa;--color-primary-hover:#93c5fd;--color-primary-soft:#1e3a5f;--color-primary-contrast:#0b1120;--color-accent:#5eead4;--color-accent-soft:#042f2e;--color-danger:#fca5a5;--color-danger-bg:#450a0a;--color-danger-border:#7f1d1d;--color-success:#86efac;--color-success-bg:#052e16;--color-success-border:#166534;--color-warning:#fcd34d;--color-warning-bg:#451a03;--color-warning-border:#78350f;--color-support-bg:#9a3412;--color-support-fg:#ffffff;--shadow-sm:0 1px 2px rgba(0,0,0,0.4);--shadow-md:0 4px 16px rgba(0,0,0,0.5);--shadow-lg:0 12px 32px rgba(0,0,0,0.6);--focus-ring:3px solid #60a5fa}}*{box-sizing:border-box}@media (prefers-reduced-motion:reduce){*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}html{color-scheme:light dark}body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI Variable Text,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,Helvetica Neue,Arial,sans-serif;background:var(--color-bg-subtle);line-height:1.55;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body,h1,h2,h3{color:var(--color-fg)}h1,h2,h3{font-weight:700;letter-spacing:-.01em}h1{font-size:1.75rem;margin:0 0 var(--space-2)}h2{font-size:1.15rem;margin:var(--space-8) 0 var(--space-3)}a,button,input,select,textarea{font:inherit}a{color:var(--color-primary)}:focus-visible{outline:var(--focus-ring);outline-offset:2px;border-radius:var(--radius-sm)}.skip-link{position:absolute;left:-9999px;top:0;background:var(--color-primary);color:var(--color-primary-contrast);padding:var(--space-2) var(--space-4);z-index:100;border-radius:0 0 var(--radius) 0}.skip-link:focus{left:0}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.field{display:flex;flex-direction:column;gap:var(--space-1);margin-bottom:var(--space-4)}.field label{font-weight:600;font-size:.85rem;color:var(--color-fg)}.field input,.field select,.field textarea{padding:.6rem var(--space-3);border:1px solid var(--color-border-strong);border-radius:var(--radius-sm);background:var(--color-bg);color:var(--color-fg);transition:border-color var(--transition),box-shadow var(--transition)}.field input:hover,.field select:hover,.field textarea:hover{border-color:var(--color-primary)}.field input:focus-visible,.field select:focus-visible,.field textarea:focus-visible{border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-soft);outline:none}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:.6rem 1.1rem;border-radius:var(--radius-sm);border:1px solid var(--color-border-strong);background:var(--color-bg);color:var(--color-fg);font-weight:600;font-size:.92rem;cursor:pointer;transition:background var(--transition),border-color var(--transition),transform var(--transition)}.btn:hover{background:var(--color-bg-subtle)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:var(--color-primary-contrast);border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.btn-primary:hover{background:var(--color-primary-hover);border-color:var(--color-primary-hover)}.card{border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-6);background:var(--color-bg-raised);box-shadow:var(--shadow-sm)}.alert-error{background:var(--color-danger-bg);color:var(--color-danger);border:1px solid var(--color-danger-border);border-radius:var(--radius)}.alert-error,.alert-success{padding:var(--space-3) var(--space-4);margin-bottom:var(--space-4);font-size:.9rem}.alert-success{background:var(--color-success-bg);color:var(--color-success);border:1px solid var(--color-success-border);border-radius:var(--radius)}.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:var(--radius-full);font-size:.75rem;font-weight:700;line-height:1.4;white-space:nowrap}.badge-neutral{background:var(--color-bg-subtle);color:var(--color-muted);border:1px solid var(--color-border)}.badge-primary{background:var(--color-primary-soft);color:var(--color-primary-hover)}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-danger{background:var(--color-danger-bg);color:var(--color-danger)}button.badge{min-height:24px;min-width:24px;padding:.35rem .7rem}.center-screen{align-items:center;justify-content:center;padding:var(--space-4);background:radial-gradient(60rem 30rem at 15% -10%,var(--color-primary-soft),transparent),var(--color-bg-subtle)}.app-shell,.center-screen{min-height:100vh;display:flex}.app-nav{width:240px;flex-shrink:0;background:var(--color-bg-raised);border-right:1px solid var(--color-border);padding:var(--space-5) var(--space-3);display:flex;flex-direction:column;gap:var(--space-1)}.app-nav-brand{display:flex;align-items:center;gap:var(--space-2);padding:var(--space-2) var(--space-3) var(--space-5);font-weight:800;font-size:1.05rem;letter-spacing:-.01em;color:var(--color-fg)}.app-nav-brand .dot{width:.6rem;height:.6rem;border-radius:50%;background:var(--color-primary);box-shadow:0 0 0 4px var(--color-primary-soft)}.app-nav a{display:flex;align-items:center;gap:var(--space-2);color:var(--color-muted);text-decoration:none;font-weight:600;font-size:.92rem;padding:.55rem var(--space-3);border-radius:var(--radius-sm);transition:background var(--transition),color var(--transition)}.app-nav a:hover{background:var(--color-bg-subtle);color:var(--color-fg)}.app-nav a svg{flex-shrink:0;opacity:.8}.app-nav a[aria-current=page]{background:var(--color-primary-soft);color:var(--color-primary-hover);position:relative}.app-nav a[aria-current=page] svg{opacity:1}.app-nav a[aria-current=page]:before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;border-radius:var(--radius-full);background:var(--color-primary)}.app-nav-links{gap:var(--space-1)}.app-nav-footer,.app-nav-links{display:flex;flex-direction:column}.app-nav-footer{margin-top:auto;gap:var(--space-2);padding-top:var(--space-4)}.app-main{flex:1 1;padding:var(--space-8) var(--space-10);max-width:1040px;width:100%;min-width:0}@media (max-width:820px){.app-shell{flex-direction:column}.app-nav{width:100%;flex-direction:row;align-items:center;gap:var(--space-2);border-right:none;border-bottom:1px solid var(--color-border);padding:var(--space-2) var(--space-3);position:-webkit-sticky;position:sticky;top:0;z-index:20}.app-nav-brand{padding:0;flex-shrink:0}.app-nav-brand-name{display:none}.app-nav-links{flex-direction:row;flex:1 1;min-width:0;overflow-x:auto;scroll-snap-type:x proximity;padding-bottom:2px}.app-nav-links a{white-space:nowrap;scroll-snap-align:start}.app-nav a[aria-current=page]:before{left:20%;right:20%;top:auto;bottom:0;width:auto;height:3px}.app-nav-footer{margin-top:0;flex-direction:row;align-items:center;gap:var(--space-2);padding-top:0;flex-shrink:0}.app-main{padding:var(--space-5) var(--space-4)}h1{font-size:1.4rem}h2{font-size:1.05rem;margin-top:var(--space-6)}.card{padding:var(--space-4)}.task-item{flex-wrap:wrap;row-gap:var(--space-2)}}.task-list{list-style:none;padding:0;margin:var(--space-4) 0;display:flex;flex-direction:column;gap:var(--space-2)}.task-item{display:flex;justify-content:space-between;align-items:center;gap:var(--space-3);padding:var(--space-3) var(--space-4);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-bg-raised);transition:box-shadow var(--transition),border-color var(--transition)}.task-item:hover{box-shadow:var(--shadow-sm);border-color:var(--color-border-strong)}.muted{color:var(--color-muted)}.data-table{width:100%;border-collapse:collapse;background:var(--color-bg-raised);border:1px solid var(--color-border);border-radius:var(--radius-lg);overflow:hidden}.data-table caption{padding:var(--space-4) var(--space-4) var(--space-3);font-size:.85rem;caption-side:top}.data-table caption,.data-table th{text-align:left;color:var(--color-muted)}.data-table th{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;background:var(--color-bg-subtle);padding:var(--space-3) var(--space-4)}.data-table td,.data-table th{border-bottom:1px solid var(--color-border)}.data-table td{padding:.7rem var(--space-4);font-size:.92rem;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.data-table tbody tr:last-child td{border-bottom:none}.data-table tbody tr:hover td{background:var(--color-bg-subtle)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:var(--space-2);padding:var(--space-8) var(--space-4);color:var(--color-muted);border:1px dashed var(--color-border-strong);border-radius:var(--radius-lg);background:var(--color-bg-raised)}.empty-state svg{opacity:.4}