:root{
  --primary:#243b70;--accent:#4659c8;--bg:#f5f7fb;--text:#1e293b;--muted:#64748b;
  --danger:#b91c1c;--success:#15803d;--border:#dbe2ea;
}
*{box-sizing:border-box} body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}
a{text-decoration:none;color:inherit}.layout{display:flex;min-height:100vh}
.sidebar{width:255px;background:#172554;color:#fff;padding:20px 14px;position:fixed;top:0;bottom:0;overflow:auto}
.brand{font-size:20px;font-weight:700;padding:10px 12px 18px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:12px}
.nav a{display:block;padding:10px 12px;border-radius:8px;color:#e2e8f0;margin:3px 0}.nav a:hover,.nav a.active{background:#4659c8;color:#fff}
.main{margin-left:255px;width:calc(100% - 255px)}.topbar{height:64px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 24px;position:sticky;top:0;z-index:5}
.content{padding:24px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px;box-shadow:0 2px 8px rgba(15,23,42,.04)}
.card .num{font-size:28px;font-weight:700;color:var(--primary)}.muted{color:var(--muted)}
.toolbar{display:flex;gap:10px;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap}.toolbar .left,.toolbar .right{display:flex;gap:10px;align-items:center}
.btn{display:inline-block;border:0;border-radius:8px;padding:10px 14px;background:var(--accent);color:#fff;cursor:pointer;font-size:14px}.btn.secondary{background:#475569}.btn.light{background:#e2e8f0;color:#0f172a}.btn.danger{background:#b91c1c}.btn.success{background:#15803d}
input,select,textarea{width:100%;padding:10px;border:1px solid #cbd5e1;border-radius:8px;background:#fff;font:inherit}textarea{min-height:110px}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field label{display:block;font-weight:600;margin-bottom:6px}.field.full{grid-column:1/-1}
.table-wrap{overflow:auto;background:#fff;border:1px solid var(--border);border-radius:12px}table{width:100%;border-collapse:collapse;min-width:850px}th,td{padding:11px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}th{background:#eef2ff;color:#1e3a8a;white-space:nowrap}
.actions{display:flex;gap:6px;white-space:nowrap}.actions .btn{padding:7px 9px;font-size:12px}
.badge{display:inline-block;padding:4px 8px;border-radius:999px;background:#e0e7ff;color:#3730a3;font-size:12px;font-weight:600}
.flash{padding:12px 14px;border-radius:8px;margin-bottom:15px;background:#dcfce7;color:#166534}.flash.error{background:#fee2e2;color:#991b1b}
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#172554,#4659c8)}.login-card{width:min(430px,100%);background:#fff;padding:28px;border-radius:16px}.login-card h1{margin-top:0}
.detail{display:grid;grid-template-columns:220px 1fr;border:1px solid var(--border);border-radius:10px;overflow:hidden}.detail div{padding:11px 13px;border-bottom:1px solid var(--border)}.detail .k{background:#f8fafc;font-weight:700}
@media(max-width:1000px){.grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:800px){.sidebar{position:static;width:100%}.layout{display:block}.main{margin-left:0;width:100%}.form-grid{grid-template-columns:1fr}.grid{grid-template-columns:1fr}.topbar{position:static}.content{padding:14px}}
@media print{.sidebar,.topbar,.no-print{display:none!important}.main{margin:0;width:100%}.content{padding:0}.card{border:0;box-shadow:none}body{background:#fff}.detail{border-color:#aaa}}

.sidebar .brand img{background:#fff;border-radius:8px;padding:5px}.doc table{width:100%;border-collapse:collapse}.doc th,.doc td{border-bottom:1px solid #ddd;padding:10px;text-align:left}