:root{
  --ink:#0c1829;--ink-mid:#2a3f5f;--ink-soft:#5a738e;--bg:#f0f4f8;--surface:#fff;
  --accent:#005ce6;--accent-2:#003e9e;--danger:#d9263e;--success:#00875a;--border:#d8e4f0;
  --shadow:0 4px 20px rgba(12,24,41,.09);--radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
a{text-decoration:none;color:inherit}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0c1829,#003e9e)}
.login-card{width:390px;background:white;padding:34px;border-radius:20px;box-shadow:0 30px 90px rgba(0,0,0,.35)}
.login-card h1{font-size:24px;margin-bottom:6px}.login-card p{color:var(--ink-soft);margin-bottom:22px}
.form-group{margin-bottom:14px}label{display:block;font-size:12px;font-weight:700;color:var(--ink-soft);margin-bottom:6px;text-transform:uppercase}
input,select{width:100%;height:42px;border:1px solid var(--border);border-radius:8px;padding:0 12px;background:#fff}
button,.btn{height:40px;border:0;border-radius:8px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;cursor:pointer;background:var(--accent);color:white}
.btn-secondary{background:var(--ink)}.btn-danger{background:var(--danger)}.btn-light{background:#eef4fb;color:var(--ink-mid);border:1px solid var(--border)}
.alert{padding:12px;border-radius:10px;margin-bottom:14px}.alert-error{background:#fff0f3;color:#a40f25}.alert-ok{background:#e5fff4;color:#006b48}
.topbar{height:68px;background:var(--ink);color:white;display:flex;justify-content:space-between;align-items:center;padding:0 24px;position:sticky;top:0;z-index:10}
.brand{font-weight:800}.brand small{display:block;color:rgba(255,255,255,.6);font-weight:400}
.layout{display:grid;grid-template-columns:250px 1fr;min-height:calc(100vh - 68px)}
.sidebar{background:white;border-right:1px solid var(--border);padding:18px}.sidebar a{display:block;padding:12px;border-radius:10px;color:var(--ink-mid);font-weight:700;margin-bottom:6px}.sidebar a:hover,.sidebar a.active{background:#eaf2ff;color:var(--accent)}
.main{padding:24px;max-width:1600px;width:100%;margin:auto}
.card{background:white;border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;margin-bottom:18px}
.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}
.kpi{padding:20px}.kpi .value{font-size:32px;font-weight:900;color:var(--accent)}.kpi .label{color:var(--ink-soft);font-weight:700}
table{width:100%;border-collapse:collapse}th{background:var(--ink);color:white;text-align:left;padding:10px;font-size:12px}td{border-bottom:1px solid var(--border);padding:9px;color:var(--ink-mid)}tr:nth-child(even) td{background:#f7fafd}
.actions{display:flex;gap:8px;flex-wrap:wrap}.muted{color:var(--ink-soft)}.header-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.chart-area{height:340px}.hidden{display:none!important}
@media(max-width:900px){.layout{grid-template-columns:1fr}.sidebar{display:flex;overflow:auto}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.topbar{height:auto;gap:10px;padding:12px;flex-wrap:wrap}}