:root{color-scheme:light;--ink:#172033;--muted:#68728a;--line:#dce2ee;--surface:#ffffff;--background:#f5f7fb;--accent:#2e5bff;--success:#18794e;--warning:#9a5b00}*{box-sizing:border-box}body{margin:0;background:var(--background);color:var(--ink);font-family:Arial,sans-serif}a{color:inherit;text-decoration:none}.shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{background:#101827;color:white;padding:24px 16px}.brand{font-size:1.35rem;font-weight:700;margin-bottom:28px}.nav{display:grid;grid-gap:8px;gap:8px}.nav a{padding:10px 12px;border-radius:8px;color:#cbd5e1}.nav a:hover{background:#1e2a40;color:white}.main{padding:28px clamp(20px,4vw,56px)}.topline{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:24px}.muted{color:var(--muted)}.grid{display:grid;grid-gap:16px;gap:16px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:18px;box-shadow:0 4px 18px #1d29400a}.card h2,.card h3{margin-top:0}.metric{font-size:2rem;font-weight:700}.badge{border-radius:999px;padding:3px 9px;font-size:.78rem;background:#e9eefc;color:#2848ac}.badge.success{background:#e7f6ed;color:var(--success)}.badge.warning{background:#fff1d9;color:var(--warning)}.list{display:grid;grid-gap:12px;gap:12px}.list-item{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:0}button{border:0;border-radius:8px;background:var(--accent);color:white;padding:9px 13px;cursor:pointer}button:disabled{cursor:wait;opacity:.7}button.secondary{background:#e9eefc;color:#2848ac}input{border:1px solid var(--line);border-radius:8px;padding:10px 12px;min-width:220px}.auth-main{display:grid;place-items:center;min-height:100vh}.auth-card{width:min(100% - 40px,420px)}.auth-brand{color:var(--ink);font-size:1.35rem;font-weight:700;margin:0 0 28px}.auth-card form{display:grid;grid-gap:10px;gap:10px;margin-top:24px}.auth-card input{width:100%}.error{color:#a12626}.kanban{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:12px;gap:12px;overflow-x:auto}.kanban-column{background:#eef2f9;border-radius:10px;padding:12px;min-height:180px}.kanban-column h2{font-size:.9rem;text-transform:uppercase;color:var(--muted)}@media (max-width:760px){.shell{grid-template-columns:1fr}.sidebar{padding:16px}.nav{grid-template-columns:repeat(3,1fr)}}