:root{--bg:#f4f6fa;--ink:#182230;--muted:#697586;--line:#e5e9f0;--blue:#4357ee;--nav:#151b2c}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}.sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:var(--nav);padding:24px 16px;color:white;display:flex;flex-direction:column}.brandmark{color:white;font-weight:800;font-size:18px;text-decoration:none;margin:4px 8px 32px}.brandmark span{margin-left:8px}.sidebar nav{display:grid;gap:5px}.sidebar nav a,.logout{color:#b8c0d3;text-decoration:none;padding:11px 12px;border-radius:8px}.sidebar nav a.active,.sidebar nav a:hover{background:#273149;color:white}.logout{margin-top:auto}.main{margin-left:250px;padding:30px;max-width:1600px}.main header{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.main header a{color:var(--blue)}small,.muted{color:var(--muted)}h1{margin:2px 0;font-size:28px}h2{font-size:18px;margin-top:0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:16px;margin-bottom:18px}.card,.stat{background:white;border:1px solid var(--line);border-radius:12px;padding:20px;box-shadow:0 3px 14px #18223008;margin-bottom:16px}.stat span{display:block;color:var(--muted)}.stat b{font-size:28px;display:block;margin-top:8px}.warn{color:#a25c00}.login{min-height:100vh;display:grid;place-items:center;padding:20px}.login .card{width:min(420px,100%);padding:32px}.brand{height:44px;width:44px;border-radius:12px;background:#eef0ff;color:var(--blue);display:grid;place-items:center;font-weight:800}.login h1{margin-top:20px}label{display:grid;gap:7px;margin:13px 0;font-weight:600}input,select{width:100%;border:1px solid #d9deea;border-radius:7px;padding:10px 11px;font:inherit;background:white}button{border:0;border-radius:7px;background:var(--blue);color:white;padding:10px 16px;font:inherit;font-weight:650;cursor:pointer}form button{margin-top:8px}.alert,.success{padding:12px 15px;border-radius:8px;margin:12px 0 18px;background:#fff0ed;color:#9b3020}.success{background:#e9f8ef;color:#17653b}.tablewrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:780px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-size:12px;text-transform:uppercase}td small{display:block}.inline{display:flex;gap:6px;align-items:center;flex-wrap:wrap}.inline input,.inline select{width:auto;min-width:115px}.inline button{padding:8px 10px}@media(max-width:760px){.sidebar{position:static;width:100%;height:auto;padding:12px}.sidebar nav{display:flex;overflow:auto}.sidebar nav a{white-space:nowrap}.logout{margin:0}.main{margin:0;padding:18px}.main header{align-items:flex-start}}