:root {
  --bg: #f8f9ff;
  --surface: #ffffff;
  --surface-low: #eff4ff;
  --surface-mid: #d3e4fe;
  --text: #0b1c30;
  --text-muted: #47464f;
  --primary: #070235;
  --secondary: #4648d4;
  --border: #c8c5d0;
  --success-bg: #d7f3df;
  --success-text: #0f7a35;
  --warning-bg: #ffe9c9;
  --warning-text: #c45100;
  --danger-bg: #ffd9d9;
  --danger-text: #ba1a1a;
  --neutral-bg: #e9edf5;
  --neutral-text: #4d5868;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Inter',sans-serif;color:var(--text);background:var(--bg)}
.admin-shell{display:flex;min-height:100vh}
.admin-sidebar{width:280px;background:var(--primary);color:#fff;padding:24px 20px;position:fixed;top:0;left:0;bottom:0;display:flex;flex-direction:column;z-index:1000}
.admin-brand h2{margin:0;font-size:42px;font-weight:700}.admin-brand p{margin:0;color:#8683ba;font-size:30px}
.admin-menu{margin-top:24px;display:grid;gap:8px}
.admin-menu a{text-decoration:none;color:#8683ba;border-radius:12px;padding:10px 12px;display:flex;align-items:center;gap:10px;font-size:15px;font-weight:500}
.admin-menu a:hover{background:rgba(255,255,255,.08);color:#fff}.admin-menu a.active{background:var(--secondary);color:#fff}
.admin-sidebar-bottom{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding-top:16px}
.admin-user{color:#d1d5e8;font-size:13px;margin-bottom:10px}
.admin-logout-btn{width:100%;background:transparent;color:#c4c1fb;border:1px solid rgba(255,255,255,.2);border-radius:10px;padding:9px 12px}
.admin-main{margin-left:280px;width:calc(100% - 280px);min-height:100vh}
.admin-topbar{height:78px;border-bottom:1px solid var(--border);background:rgba(248,249,255,.95);backdrop-filter:blur(5px);position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:0 28px}
.topbar-search{background:#e5eaf7;border-radius:999px;border:1px solid transparent;width:320px;padding:10px 14px;display:flex;gap:8px;align-items:center;color:#606772}
.topbar-search input{border:0;background:transparent;width:100%;outline:0}
.topbar-icons{display:flex;align-items:center;gap:18px}.topbar-icon{color:#34374b;font-size:22px}
.topbar-profile{display:flex;align-items:center;gap:10px;border-left:1px solid var(--border);padding-left:16px}
.avatar-initials{width:38px;height:38px;border-radius:999px;background:#c9d9f5;display:inline-flex;align-items:center;justify-content:center;font-weight:700;color:#152339}
.admin-content{padding:28px}.admin-page-title{font-size:50px;line-height:1.15;margin:0;font-weight:600}.admin-page-subtitle{margin:6px 0 0;color:var(--text-muted);font-size:32px}
.admin-card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:20px}
.admin-card-title{font-size:24px;font-weight:600;margin:0 0 4px}
.admin-btn-primary,.admin-btn-secondary{border-radius:10px;padding:10px 16px;font-weight:600;border:1px solid transparent;text-decoration:none;display:inline-flex;align-items:center;gap:8px}
.admin-btn-primary{background:var(--secondary);color:#fff}.admin-btn-secondary{background:#cbd9f3;color:var(--text)}
.admin-btn-outline{border:1px solid var(--border);background:#fff;border-radius:10px;padding:10px 14px;color:var(--text)}
.admin-table-wrap{overflow-x:auto}.admin-table{width:100%;border-collapse:collapse}
.admin-table th{background:#e8edf9;text-transform:uppercase;letter-spacing:.03em;font-size:12px;font-weight:600;color:#303546;text-align:left;padding:14px;border-bottom:1px solid var(--border)}
.admin-table td{padding:14px;border-bottom:1px solid #ece8f2;vertical-align:top}
.status-badge{display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600}
.status-badge-success{background:var(--success-bg);color:var(--success-text)}.status-badge-warning{background:var(--warning-bg);color:var(--warning-text)}.status-badge-danger{background:var(--danger-bg);color:var(--danger-text)}.status-badge-neutral{background:var(--neutral-bg);color:var(--neutral-text)}
.admin-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.admin-input,.admin-select{width:100%;border:1px solid #b8b9c8;border-radius:10px;padding:11px 12px;background:#f5f7fd}
.admin-label{font-weight:500;margin-bottom:7px;display:block}.admin-help{color:#666;font-size:13px}
.mock-map{min-height:280px;border-radius:12px;border:1px solid var(--border);background:radial-gradient(circle at center,rgba(70,72,212,.2) 0 60px,transparent 61px),repeating-linear-gradient(0deg,#e4e8f1 0 1px,transparent 1px 28px),repeating-linear-gradient(90deg,#e4e8f1 0 1px,transparent 1px 28px),#cfd6e3;position:relative}
.geofence-circle{width:120px;height:120px;border-radius:50%;border:2px solid #3d46d9;background:rgba(61,70,217,.2);position:absolute;inset:0;margin:auto}
.login-page{min-height:100vh;background:radial-gradient(circle at 50% 30%,#e8e8fb 0,#daddf2 45%,#d6d9ef 100%);display:flex;align-items:center;justify-content:center;padding:24px}
.login-box{width:100%;max-width:560px;text-align:center}.login-logo{width:78px;height:78px;border-radius:16px;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;margin-bottom:14px;box-shadow:0 12px 20px rgba(0,0,0,.18)}
.login-card{background:#fff;border:1px solid #dddde8;border-radius:16px;padding:28px;text-align:left;box-shadow:0 12px 25px rgba(34,44,85,.12)}
.campus-logo-wrap{display:inline-flex;align-items:center;justify-content:center;background:#fff;border:1px solid #d9deeb;border-radius:20px;box-shadow:0 10px 18px rgba(0,0,0,.08)}
.campus-logo{display:block;object-fit:contain;height:auto;max-width:100%}
.campus-logo-login{width:110px;padding:10px}
.campus-logo-sidebar-wrap{width:72px;height:72px;border-radius:16px;margin-bottom:12px;background:#f8fbff}
.campus-logo-sidebar{width:58px}
@media (max-width:1024px){.admin-sidebar{position:static;width:100%;min-height:auto}.admin-main{margin-left:0;width:100%}.admin-shell{flex-direction:column}.admin-page-title{font-size:34px}.admin-page-subtitle{font-size:20px}}
.office-map,.office-map-preview{border:1px solid var(--border);border-radius:16px;overflow:hidden;background:#dbe4f6}
.office-map{height:360px}
.office-map-preview{height:500px}
.leaflet-container{font-family:'Inter',sans-serif}
.map-helper-text{font-size:13px;color:#5f6270}
.map-coordinate-preview{font-size:12px;color:#4e5769;background:#edf2ff;border:1px solid #d0dbf9;border-radius:8px;padding:6px 10px;display:inline-block}
@media (max-width:768px){.office-map-preview{height:340px}.office-map{height:300px}}