:root{--bg: #f4f6f8;--panel: #ffffff;--text: #1c2733;--muted: #6b7a89;--brand: #0f9d58;--brand-dark: #0b7c45;--border: #e3e8ee;--danger: #d64545;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text)}a{color:var(--brand-dark);text-decoration:none}.btn{background:var(--brand);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:600;cursor:pointer}.btn:hover{background:var(--brand-dark)}.btn.secondary{background:#eef1f4;color:var(--text)}.btn.danger{background:var(--danger)}.btn:disabled{opacity:.6;cursor:not-allowed}.input,select.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;font-size:14px;background:#fff}.field{margin-bottom:12px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}.error{color:var(--danger);font-size:13px;margin-top:4px}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:20px}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);font-size:14px}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}.layout{display:flex;min-height:100vh}.sidebar{width:230px;background:#10233a;color:#cdd8e4;padding:20px 12px}.sidebar h1{font-size:16px;color:#fff;margin:0 0 20px;padding:0 8px}.sidebar a{display:block;color:#cdd8e4;padding:10px 12px;border-radius:8px;margin-bottom:2px;font-size:14px}.sidebar a.active,.sidebar a:hover{background:#1c3554;color:#fff}.content{flex:1;padding:24px;overflow-x:auto}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.topbar h2{margin:0}.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px}.card .value{font-size:26px;font-weight:700}.card .label{color:var(--muted);font-size:13px;margin-top:4px}.login-wrap{display:flex;align-items:center;justify-content:center;min-height:100vh}.login-box{width:340px}.modal-bg{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center}.modal{background:#fff;border-radius:12px;padding:24px;width:420px;max-width:92vw;max-height:90vh;overflow-y:auto}.row{display:flex;gap:10px}.row>*{flex:1}.badge{padding:2px 8px;border-radius:20px;font-size:12px;background:#eef1f4}.badge.low{background:#fde8e8;color:var(--danger)}