:root{--bg:#f6f7f9;--card:#fff;--ink:#1c2530;--muted:#6b7785;--line:#e2e6ea;--accent:#1f7a4d;--accent-ink:#fff}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.topbar{color:#fff;background:#102a1e;align-items:center;gap:18px;padding:12px 24px;display:flex}.topbar nav{align-items:center;gap:18px;display:flex}.topbar a{color:#d7e7dd;text-decoration:none}.topbar a:hover{color:#fff}.topbar .brand{color:#fff;align-items:center;gap:8px;font-size:18px;font-weight:700;display:inline-flex}.topbar .spacer{flex:1}.topbar .user{color:#9fc4ad;font-size:13px}.content{max-width:1040px;margin:0 auto;padding:24px}.page-title{margin:8px 0 20px}.flash{border-radius:8px;margin-bottom:16px;padding:10px 14px}.flash-notice{color:#1f7a4d;background:#e6f4ec;border:1px solid #bfe3cd}.flash-alert{color:#b3261e;background:#fbe9e9;border:1px solid #f0c2bf}.error-list{margin:6px 0 0;padding-left:18px}.muted{color:var(--muted);font-size:13px}.toolbar{align-items:center;gap:8px;margin-bottom:16px;display:flex}.toolbar input{flex:0 320px}.subnav{border-bottom:1px solid var(--line);gap:4px;margin-bottom:16px;display:flex}.subnav-item{color:var(--muted);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;border-radius:0;padding:8px 12px}.subnav-item:hover{color:inherit;border-color:#0000}.subnav-item.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.subnav-item .count{color:var(--muted);margin-left:6px;font-size:12px}input,select{border:1px solid var(--line);font:inherit;background:#fff;border-radius:6px;padding:8px 10px}button,.btn{border:1px solid var(--line);color:var(--ink);cursor:pointer;font:inherit;background:#fff;border-radius:6px;padding:8px 12px;text-decoration:none}button:hover,.btn:hover{border-color:var(--accent)}button[type=submit],.btn{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}button:disabled{opacity:.5;cursor:default}table.grid{border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:8px;width:100%;overflow:hidden}.grid th,.grid td{text-align:left;border-bottom:1px solid var(--line);padding:10px 12px}.grid th{text-transform:uppercase;letter-spacing:.03em;color:var(--muted);background:#f0f2f4;font-size:12px}.grid tr:last-child td{border-bottom:none}.actions{gap:8px;display:flex}.actions a,.actions button{padding:4px 8px;font-size:13px}.cards{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-bottom:16px;display:grid}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px}.card h2{margin:0 0 10px;font-size:15px}.card p{margin:4px 0}.chart-card{margin-top:16px}.row-actions{align-items:center;gap:10px;margin-bottom:16px;display:flex}.pagination{align-items:center;gap:12px;margin-top:16px;display:flex}.stack{flex-direction:column;gap:16px;max-width:560px;display:flex}fieldset{border:1px solid var(--line);border-radius:10px;padding:14px 16px}legend{padding:0 6px;font-weight:600}.stack label{margin:10px 0;font-size:14px;display:block}.stack label.checkbox{align-items:center;gap:8px;display:flex}.stack input:not([type=checkbox]),.stack select{width:100%;margin-top:4px;display:block}.profile-link{margin-top:4px;font-size:13px;display:inline-block}.premise{border-bottom:1px solid var(--line);padding:10px 0}.premise ul{margin:6px 0 0}.load-chart{border:1px solid var(--line);background:#fbfcfd;border-radius:8px;width:100%;height:220px;display:block}.chart-legend{color:var(--muted);flex-wrap:wrap;gap:6px 16px;margin:8px 0 12px;font-size:13px;display:flex}.chart-legend>span{align-items:center;gap:6px;display:inline-flex}.chart-legend .swatch{border-radius:3px;width:12px;height:12px;display:inline-block}.load-area{fill:#1f7a4d2e;stroke:var(--accent);stroke-width:1px}.load-net{stroke:#c25d00;stroke-width:1.5px}code{background:#eef1f3;border-radius:4px;padding:2px 6px}.auth{place-items:center;min-height:100vh;padding:24px;display:grid}.auth-card{background:var(--card);border:1px solid var(--line);border-radius:12px;width:100%;max-width:360px;padding:28px;box-shadow:0 1px 3px #0000000f}.auth-card .brand{align-items:center;gap:8px;margin-bottom:4px;font-size:20px;font-weight:700;display:flex}.auth-card h1{color:var(--muted);margin:0 0 20px;font-size:16px;font-weight:500}.auth-card .stack{max-width:none}.auth-card .stack input[type=submit]{margin-top:8px}.auth-links{border-top:1px solid var(--line);flex-direction:column;gap:8px;margin-top:20px;padding-top:16px;font-size:13px;display:flex}.auth-links p{margin:0}.auth-links a{color:var(--accent);text-decoration:none}.auth-links a:hover{text-decoration:underline}