:root{
  --navy:#1e3a8a; --navy-2:#1e40af; --gold:#f59e0b;
  --bg:#f4f6fb; --card:#ffffff; --line:#e5e7eb;
  --text:#0f172a; --muted:#64748b;
  --ok:#059669; --warn:#d97706; --bad:#dc2626;
  --radius:12px; --shadow:0 1px 3px rgba(15,23,42,.06),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--navy);text-decoration:none}
a:hover{text-decoration:underline}

.layout{display:flex;min-height:100vh}
.sidebar{width:250px;background:var(--navy);color:#fff;padding:20px 0;
  position:sticky;top:0;height:100vh;overflow-y:auto;flex-shrink:0}
.sidebar .brand{padding:0 20px 20px;font-weight:700;font-size:17px;
  display:flex;align-items:center;gap:10px}
.sidebar .brand small{display:block;font-weight:400;font-size:11px;opacity:.75}
.sidebar nav a{display:flex;align-items:center;gap:10px;padding:10px 20px;
  color:#cbd5e1;font-size:14px;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff;text-decoration:none}
.sidebar nav a.active{background:rgba(245,158,11,.12);color:#fff;border-left-color:var(--gold)}
.sidebar nav .section{padding:16px 20px 6px;font-size:11px;text-transform:uppercase;
  letter-spacing:.08em;color:#94a3b8}

.main{flex:1;min-width:0}
.topbar{background:#fff;border-bottom:1px solid var(--line);padding:14px 24px;
  display:flex;align-items:center;justify-content:space-between;
  position:sticky;top:0;z-index:10}
.topbar h1{margin:0;font-size:18px}
.topbar .user{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px}
.content{padding:24px;max-width:1400px;margin:0 auto}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));
  gap:16px;margin-bottom:24px}
.card{background:var(--card);border-radius:var(--radius);padding:18px;
  box-shadow:var(--shadow);border:1px solid var(--line)}
.card .num{font-size:28px;font-weight:700;color:var(--navy)}
.card .lbl{font-size:13px;color:var(--muted)}

.panel{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);
  border:1px solid var(--line);margin-bottom:24px;overflow:hidden}
.panel h2{margin:0;padding:16px 20px;border-bottom:1px solid var(--line);
  font-size:15px;background:#fafbfd}
.panel .body{padding:20px}

table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#f8fafc;font-weight:600;color:#334155;font-size:12px;
  text-transform:uppercase;letter-spacing:.04em}
tr:hover td{background:#f8fafc}

.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;
  border-radius:8px;border:1px solid transparent;font-size:14px;font-weight:500;
  cursor:pointer;background:var(--navy);color:#fff;transition:.15s}
.btn:hover{background:var(--navy-2);text-decoration:none;color:#fff}
.btn.gold{background:var(--gold)} .btn.gold:hover{background:#d97706}
.btn.ghost{background:#fff;color:var(--navy);border-color:var(--line)}
.btn.ghost:hover{background:#f1f5f9}
.btn.danger{background:var(--bad)} .btn.danger:hover{background:#b91c1c}
.btn.sm{padding:6px 10px;font-size:12px}

form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
form .row.three{grid-template-columns:1fr 1fr 1fr}
@media(max-width:700px){form .row,form .row.three{grid-template-columns:1fr}}
label{display:block;font-size:13px;font-weight:500;margin-bottom:6px;color:#334155}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;background:#fff;transition:.15s;font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--navy);
  box-shadow:0 0 0 3px rgba(30,58,138,.1)}
.field{margin-bottom:16px}
.help{font-size:12px;color:var(--muted);margin-top:4px}

.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500}
.badge.ok{background:#d1fae5;color:#065f46}
.badge.warn{background:#fef3c7;color:#92400e}
.badge.bad{background:#fee2e2;color:#991b1b}
.badge.info{background:#dbeafe;color:#1e40af}
.badge.pending{background:#e0e7ff;color:#3730a3}

.flashes{position:fixed;top:16px;right:16px;z-index:50;display:flex;
  flex-direction:column;gap:8px;max-width:360px}
.flash{padding:12px 16px;border-radius:10px;box-shadow:var(--shadow);
  background:#fff;border-left:4px solid var(--navy);animation:slide .25s ease}
.flash.success{border-left-color:var(--ok)}
.flash.danger{border-left-color:var(--bad)}
.flash.warning{border-left-color:var(--warn)}
@keyframes slide{from{transform:translateX(20px);opacity:0}to{transform:none;opacity:1}}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1e3a8a,#1e40af);padding:16px}
.login-card{background:#fff;padding:36px;border-radius:16px;
  box-shadow:0 20px 60px rgba(0,0,0,.3);width:100%;max-width:400px}
.login-card h1{margin:0 0 6px;color:var(--navy)}
.login-card p{color:var(--muted);margin:0 0 24px;font-size:14px}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
@media(max-width:900px){.grid2{grid-template-columns:1fr}}

.location-banner{background:linear-gradient(135deg,var(--navy),var(--navy-2));
  color:#fff;padding:20px;border-radius:var(--radius);margin-bottom:20px}
.location-banner h3{margin:0 0 4px;font-size:14px;opacity:.85;font-weight:500;text-transform:uppercase;letter-spacing:.05em}
.location-banner .route{font-size:24px;font-weight:700}
.location-banner .meta{font-size:13px;opacity:.9;margin-top:6px}

.empty{padding:40px;text-align:center;color:var(--muted)}
.empty .icon{font-size:40px;margin-bottom:8px}

.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:18px}
.tabs a{padding:10px 16px;font-size:14px;color:var(--muted);
  border-bottom:2px solid transparent;margin-bottom:-2px;font-weight:500}
.tabs a.active{color:var(--navy);border-bottom-color:var(--navy)}

@media(max-width:768px){
  .sidebar{position:fixed;left:-250px;transition:left .25s;z-index:100}
  .sidebar.open{left:0}
  .topbar{padding:12px 16px}
  .content{padding:16px}
}