:root{--blue:#14284B;--red:#E31E24;--light:#F3F4F6;--text:#142033;--muted:#667085;--green:#12805c;--border:#d8dee8}
*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--light);color:var(--text)}a{color:var(--blue);text-decoration:none}.app-shell{display:flex;min-height:100vh}.sidebar{width:265px;background:var(--blue);color:white;padding:20px 16px;position:fixed;top:0;bottom:0;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:28px}.brand-mark{background:var(--red);color:white;border-radius:14px;width:48px;height:48px;display:grid;place-items:center;font-weight:800}.brand small{display:block;color:#ccd6ea;margin-top:4px}.sidebar nav a{display:block;color:#e8eef9;padding:10px 12px;border-radius:10px;margin:3px 0}.sidebar nav a:hover{background:rgba(255,255,255,.12)}.main{margin-left:265px;flex:1}.topbar{background:white;border-bottom:1px solid var(--border);padding:18px 26px;display:flex;justify-content:space-between;gap:16px;align-items:center}.topbar h1{margin:0;font-size:24px;color:var(--blue)}.topbar span,.userbox small{color:var(--muted);font-size:13px}.userbox{text-align:right}.userbox a{margin-left:10px;font-size:13px}.content{padding:24px}.card{background:white;border:1px solid var(--border);border-radius:14px;padding:18px;margin-bottom:18px;box-shadow:0 1px 2px rgba(0,0,0,.03)}.grid{display:grid;gap:16px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.metric{background:white;border:1px solid var(--border);border-radius:14px;padding:18px}.metric strong{font-size:28px;color:var(--blue)}.metric span{display:block;color:var(--muted);margin-top:8px}.table-wrap{overflow:auto}.table{width:100%;border-collapse:collapse;background:white}.table th,.table td{padding:10px;border-bottom:1px solid var(--border);font-size:14px;text-align:left;vertical-align:top}.table th{background:#f8fafc;color:#344054}.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#eef2ff;color:var(--blue);font-size:12px}.badge.red{background:#fff1f1;color:#b42318}.badge.green{background:#ecfdf3;color:#027a48}.btn{display:inline-block;border:0;border-radius:10px;padding:10px 14px;background:var(--blue);color:white;cursor:pointer;font-weight:700}.btn.red{background:var(--red)}.btn.light{background:#e9edf5;color:var(--blue)}.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.form-row.three{grid-template-columns:repeat(3,minmax(0,1fr))}.field{margin-bottom:12px}.field label{display:block;font-weight:700;margin-bottom:6px;font-size:14px}.field input,.field select,.field textarea{width:100%;padding:10px;border:1px solid var(--border);border-radius:10px;font-size:14px}.field small{color:var(--muted)}.actions{display:flex;gap:10px;flex-wrap:wrap;margin:12px 0}.flash{background:#fff7e6;border:1px solid #ffd591;color:#7a4b00;margin:18px 24px 0;border-radius:12px;padding:12px}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),#0b1426)}.login-card{width:min(420px,92vw);background:white;padding:28px;border-radius:18px}.login-card h1{margin-top:0;color:var(--blue)}.note{font-size:13px;color:var(--muted);line-height:1.4}.warning{border-left:4px solid var(--red);padding-left:12px;color:#7a271a;background:#fff7f6}.ok{border-left:4px solid var(--green);padding-left:12px;color:#054f31;background:#f6fef9}@media(max-width:850px){.sidebar{position:relative;width:100%;height:auto}.main{margin-left:0}.app-shell{display:block}.grid-4,.grid-3,.form-row,.form-row.three{grid-template-columns:1fr}.topbar{display:block}.userbox{text-align:left;margin-top:10px}}