:root{--bg:#f5f7fb;--panel:#ffffff;--text:#10213d;--muted:#5c6b85;--accent:#2563eb;--accent-soft:#dbeafe;--danger:#b91c1c;--border:#dbe3f0}*{box-sizing:border-box}body,html{margin:0;padding:0;font-family:Roboto Flex,Segoe UI,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}main{width:100%}.page-shell{min-height:100vh;display:grid;grid-template-columns:240px minmax(0,1fr)}.sidebar{border-right:1px solid var(--border);background:linear-gradient(165deg,#ffffff,#eef4ff);padding:24px 16px}.brand{margin:0 0 18px;font-size:1rem;letter-spacing:.08em;text-transform:uppercase}.nav-list{margin:0;padding:0;list-style:none;display:grid;grid-gap:8px;gap:8px}.nav-list a{display:block;padding:10px 12px;border-radius:10px;color:var(--muted);border:1px solid transparent;transition:all .2s ease}.nav-list a:hover,.nav-list a[data-active=true]{color:var(--text);background:var(--accent-soft);border-color:#bfdbfe}.logout-link{display:inline-flex;margin-top:16px;color:var(--danger);font-weight:600}.content{padding:24px;display:grid;grid-gap:16px;gap:16px}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 6px 24px rgba(16,33,61,.06)}.grid{display:grid;grid-gap:12px;gap:12px}.grid.metrics{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}.metric-label{font-size:.8rem;color:var(--muted);margin:0 0 4px;text-transform:uppercase;letter-spacing:.05em}.metric-value{font-size:1.4rem;font-weight:700;margin:0}table{width:100%;border-collapse:collapse;font-size:.9rem}td,th{padding:10px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{font-size:.78rem;letter-spacing:.05em;text-transform:uppercase}.muted,th{color:var(--muted)}.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card{width:min(420px,100%);background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px;box-shadow:0 12px 36px rgba(16,33,61,.1)}.button{display:inline-flex;border:0;border-radius:999px;padding:10px 16px;background:var(--accent);color:#fff;font-weight:600;cursor:pointer}.button:disabled{opacity:.6;cursor:not-allowed}.error-text{color:var(--danger)}@media (max-width:900px){.page-shell{grid-template-columns:1fr}.sidebar{border-right:none;border-bottom:1px solid var(--border)}}