:root{--navy:#0f172a;--navy2:#1e293b;--gold:#d4af37;--bg:#f1f5f9;--card:#ffffff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}button,input,select,textarea{font:inherit}.login-page{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#0f172a,#1e293b)}.login-card{width:min(430px,100%);background:#fff;border-radius:16px;padding:30px;box-shadow:0 25px 70px rgba(0,0,0,.3)}.brand{font-size:22px;font-weight:800}.brand span{color:var(--gold)}.muted{color:var(--muted)}.muted,label{font-size:13px}label{display:block;font-weight:700;margin-top:14px}input,select{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px;margin-top:5px;background:#fff}.btn{border:0;border-radius:8px;padding:10px 14px;font-weight:700;cursor:pointer}.primary{background:var(--gold);color:#111827}.secondary{background:#e2e8f0;color:#111827}.full{width:100%;margin-top:18px}.error{background:#fee2e2;color:#991b1b;margin-bottom:12px}.error,.success{padding:10px;border-radius:8px}.success{background:#dcfce7;color:#166534;margin-top:12px}.shell{display:grid;grid-template-columns:235px 1fr;min-height:100vh}.sidebar{background:var(--navy2);color:#fff;padding:18px 12px}.sidebar .brand{padding:4px 8px 18px}.sidebar button{display:block;width:100%;border:0;background:transparent;color:#cbd5e1;text-align:left;padding:11px;border-radius:8px;cursor:pointer}.sidebar button.active,.sidebar button:hover{background:#334155;color:#fff}.content{min-width:0}.topbar{min-height:66px;background:#fff;border-bottom:1px solid var(--line);justify-content:space-between;gap:12px;padding:10px 20px}.toolbar,.topbar{display:flex;align-items:center}.toolbar{gap:8px;flex-wrap:wrap}.toolbar select{width:auto;min-width:220px;margin:0}.main{padding:20px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px}.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:15px;box-shadow:0 1px 2px rgba(0,0,0,.04)}.metric{font-size:27px;font-weight:800;margin-top:7px}h1,h2,h3{margin-top:0}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}td,th{font-size:13px;padding:10px;border-bottom:1px solid var(--line);text-align:left}th{background:#f8fafc}@media(max-width:900px){.shell{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto;padding:8px}.sidebar .brand{display:none}.sidebar button{min-width:145px}.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid{grid-template-columns:1fr}.main{padding:12px}.topbar{padding:10px 12px}.toolbar select{min-width:150px}}