:root{
  --bg:#eef3fc; --card:#ffffff; --border:#e6ebf5; --text:#1f2937; --muted:#6b7280;
  --primary:#2563eb; --primary-dark:#1d4ed8; --danger:#dc2626; --success:#16a34a;
  --radius:16px; --shadow:0 6px 20px rgba(20,40,90,.08);
  --navy-1:#0b1a3f; --navy-2:#122a63; --page-grad:linear-gradient(160deg,#0d2158 0%,#1a3f8f 45%,#3a72d6 100%);
}
*{box-sizing:border-box;}
body{margin:0;font-family:"Segoe UI",Tahoma,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;}
.hidden{display:none !important;}
button{cursor:pointer;font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:14px;}

/* ── LOGIN ── */
.login-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;
  background:url("/static/icons/login-hero.png") center center/contain no-repeat, #ffffff;
}
.login-card{
  background:rgba(255,255,255,.08);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
  border:1px solid rgba(255,255,255,.35);
  padding:38px 40px;border-radius:20px;box-shadow:0 20px 60px rgba(0,0,0,.35);width:320px;
  display:flex;flex-direction:column;gap:6px;
}
.login-logo-img{display:block;height:52px;width:auto;max-width:220px;object-fit:contain;margin:0 auto 14px;filter:brightness(0) invert(1);}
.login-logo{font-size:20px;font-weight:700;color:var(--navy-1);text-align:center;}
.login-sub{font-size:12px;color:var(--navy-1);opacity:.75;text-align:center;margin-bottom:16px;}
.login-card label{font-size:12px;color:var(--navy-1);opacity:.85;margin-top:8px;}
.login-card input{padding:10px 12px;border:1px solid rgba(255,255,255,.35);border-radius:10px;margin-top:4px;background:rgba(255,255,255,.08);color:#fff;}
.login-card input::placeholder{color:rgba(255,255,255,.5);}
.login-card input:focus{outline:none;border-color:#7fb0ff;background:rgba(255,255,255,.14);}
.login-card button{margin-top:18px;padding:11px;background:var(--primary);color:#fff;border:none;border-radius:10px;font-weight:600;}
.login-card button:hover{background:var(--primary-dark);}
.login-error{color:#fca5a5;font-size:12px;min-height:16px;}
.login-hint{text-align:center;font-size:11px;color:rgba(255,255,255,.6);margin-top:10px;}

/* ── LAYOUT ── */
.app{display:flex;min-height:100vh;background:var(--page-grad);}
.sidebar{width:240px;background:linear-gradient(180deg,var(--navy-1) 0%,var(--navy-2) 100%);color:#e5e7eb;display:flex;flex-direction:column;flex-shrink:0;}
.brand{display:flex;align-items:center;gap:10px;padding:20px 18px;font-weight:800;font-size:15px;line-height:1.3;color:#fff;letter-spacing:.3px;}
.brand-logo{height:40px;width:auto;max-width:190px;object-fit:contain;filter:brightness(0) invert(1);}
.menu{display:flex;flex-direction:column;padding:12px;gap:4px;flex:1;}
.menu-item{display:flex;align-items:center;gap:10px;background:none;border:none;color:#a9bbdd;text-align:left;padding:10px 14px;border-radius:12px;font-size:13.5px;transition:background .12s,color .12s;}
.menu-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.menu-item.active{background:#2f6fe0;color:#fff;box-shadow:0 4px 14px rgba(47,111,224,.5);font-weight:600;}
.menu-icon{width:22px;height:22px;object-fit:contain;flex-shrink:0;}
.menu-badge{display:inline-block;background:var(--danger);color:#fff;font-size:10.5px;font-weight:700;border-radius:10px;padding:1px 7px;margin-left:4px;vertical-align:middle;}
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.08);}
.user-box{font-size:12px;color:#8ea3cc;margin-bottom:10px;line-height:1.5;}
.user-box b{color:#fff;display:block;font-size:13px;}
.logout-btn{width:100%;padding:9px;background:rgba(255,255,255,.08);color:#ffb4b4;border:none;border-radius:10px;}
.logout-btn:hover{background:rgba(255,255,255,.14);}

.main{flex:1;padding:16px 22px;max-width:100%;overflow-x:hidden;background:var(--bg);border-radius:26px 0 0 0;}
.topbar{display:flex;align-items:center;gap:14px;margin-bottom:18px;position:relative;}
.global-search{flex:1;padding:11px 16px;border:1px solid var(--border);border-radius:999px;background:#fff;box-shadow:var(--shadow);}
.notif-bell{position:relative;font-size:18px;cursor:pointer;background:#fff;border:1px solid var(--border);border-radius:999px;padding:9px 14px;box-shadow:var(--shadow);}
.notif-count{position:absolute;top:-6px;right:-6px;background:var(--danger);color:#fff;font-size:10px;border-radius:10px;padding:1px 5px;}
.notif-panel{position:absolute;top:54px;right:28px;background:#fff;border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 12px 30px rgba(20,40,90,.18);width:340px;padding:10px;z-index:50;}
.notif-panel div.notif-row{padding:8px 6px;border-bottom:1px solid #f1f1f1;font-size:13px;}
.notif-panel div.notif-row:last-child{border-bottom:none;}

h1{font-size:18px;margin:0 0 12px;color:#0f2050;font-weight:700;}
.tab-section{animation:fadein .15s ease;}
@keyframes fadein{from{opacity:0;}to{opacity:1;}}

.section-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;}
.btn-primary{background:var(--primary);color:#fff;border:none;padding:10px 18px;border-radius:12px;font-weight:600;font-size:13px;box-shadow:0 4px 12px rgba(37,99,235,.3);}
.btn-primary:hover{background:var(--primary-dark);}
.btn-secondary{background:#fff;border:1px solid var(--border);padding:9px 14px;border-radius:12px;font-size:13px;}
.btn-secondary:hover{background:#f3f4f6;}
.btn-danger{background:#fff;border:1px solid var(--danger);color:var(--danger);padding:8px 12px;border-radius:12px;font-size:12.5px;}
.btn-danger:hover{background:#fef2f2;}
.btn-sm{padding:5px 10px;font-size:12px;border-radius:8px;border:1px solid var(--border);background:#fff;}
.btn-sm:hover{background:#f3f4f6;}

/* ── KPI ── */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(122px,1fr));gap:8px;margin-bottom:16px;}
.kpi-card{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:9px 10px;cursor:pointer;transition:transform .15s,box-shadow .15s;display:flex;align-items:center;gap:8px;min-width:0;}
.kpi-card:hover{transform:translateY(-2px);box-shadow:0 10px 22px rgba(20,40,90,.14);}
.kpi-icon{width:30px;height:30px;flex-shrink:0;border-radius:9px;display:flex;align-items:center;justify-content:center;font-size:14px;}
.kpi-text{min-width:0;}
.kpi-value{font-size:17px;font-weight:800;color:#0f2050;line-height:1.15;}
.kpi-label{font-size:10px;color:var(--muted);margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}

.charts-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.chart-card{background:var(--card);border-radius:16px;box-shadow:var(--shadow);padding:14px;}
.chart-card h3{margin:0 0 8px;font-size:13px;color:var(--muted);font-weight:700;}

/* ── FILTERS / TABLE ── */
.filter-bar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;background:var(--card);padding:12px;border-radius:var(--radius);box-shadow:var(--shadow);}
.filter-bar select,.filter-bar input{padding:7px 10px;border:1px solid var(--border);border-radius:8px;}
.table-wrap{background:var(--card);border-radius:20px;box-shadow:var(--shadow);overflow-x:auto;}
table.data-table{width:100%;border-collapse:collapse;font-size:13px;}
table.data-table th{text-align:left;padding:12px 14px;background:#f7f9fd;color:var(--muted);font-weight:600;border-bottom:1px solid var(--border);white-space:nowrap;}
table.data-table td{padding:10px 14px;border-bottom:1px solid #f1f3f5;white-space:nowrap;}
table.data-table tr:hover td{background:#f8fafc;}
table.data-table tr.row-overdue td{background:#fef2f2;}

.badge{display:inline-block;padding:3px 9px;border-radius:20px;color:#fff;font-size:11.5px;font-weight:600;}
.progress-wrap{background:#e5e7eb;border-radius:20px;width:90px;height:8px;overflow:hidden;display:inline-block;vertical-align:middle;}
.progress-bar{height:100%;border-radius:20px;}
.overdue-flag{color:var(--danger);font-weight:700;font-size:11px;margin-left:4px;}

.pager{display:flex;gap:6px;justify-content:center;margin-top:14px;}
.pager button{padding:6px 11px;border:1px solid var(--border);background:#fff;border-radius:999px;font-size:12px;}
.pager button.active{background:var(--primary);color:#fff;border-color:var(--primary);}

.actions-cell{display:flex;gap:5px;}

/* ── REF/ADMIN TABS ── */
.ref-tabs,.admin-tabs{display:flex;gap:6px;margin-bottom:14px;}
.ref-tab,.admin-tab{padding:8px 14px;border:1px solid var(--border);background:#fff;border-radius:8px;font-size:13px;}
.ref-tab.active,.admin-tab.active{background:var(--primary);color:#fff;border-color:var(--primary);}

.report-tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:10px;margin-bottom:18px;}
.report-tile{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:14px;text-align:left;border:1px solid var(--border);font-size:13px;}
.report-tile:hover{border-color:var(--primary);}

/* ── MODAL ── */
.modal-overlay{position:fixed;inset:0;background:rgba(17,24,39,.5);display:flex;align-items:flex-start;justify-content:center;padding:16px;z-index:100;overflow-y:auto;}
.modal-box{background:#fff;border-radius:12px;width:100%;max-width:760px;padding:18px 22px;box-shadow:0 10px 40px rgba(0,0,0,.3);max-height:calc(100vh - 32px);overflow-y:auto;}
.modal-box h2{margin:0 0 12px;font-size:16px;}
.modal-close{float:right;background:none;border:none;font-size:20px;color:var(--muted);}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.form-grid.full{grid-template-columns:1fr;}
.form-field{display:flex;flex-direction:column;gap:4px;margin-bottom:10px;}
.form-field label{font-size:12px;color:var(--muted);}
.form-field input,.form-field select,.form-field textarea{padding:8px 10px;border:1px solid var(--border);border-radius:7px;}
.form-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px;}
.error-box{background:#fef2f2;color:var(--danger);padding:9px 12px;border-radius:7px;font-size:13px;margin-bottom:10px;}

.card-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:10px;flex-wrap:wrap;}
.card-tab{padding:6px 10px;border:none;background:none;font-size:12.5px;border-bottom:2px solid transparent;color:var(--muted);}
.card-tab.active{color:var(--primary);border-color:var(--primary);font-weight:600;}

.doc-checklist{display:flex;flex-direction:column;gap:5px;}
.doc-row{display:flex;align-items:center;gap:7px;padding:6px 10px;background:#f9fafb;border-radius:7px;flex-wrap:wrap;}
.doc-row .doc-name{flex:1;min-width:150px;font-size:12.5px;}
.doc-row select{padding:3px 6px;border-radius:6px;border:1px solid var(--border);font-size:12.5px;}
.doc-row .btn-sm{padding:4px 8px;font-size:11.5px;}
.doc-row .doc-idnum-input{padding:3px 6px;font-size:12.5px;}
.doc-row input[type="date"]{padding:3px 6px;border-radius:6px;border:1px solid var(--border);font-size:12.5px;width:140px;}
.doc-files{font-size:11px;color:var(--muted);}
.doc-files a{color:var(--primary);text-decoration:none;margin-right:6px;}

.btn-attach{background:var(--primary);color:#fff;border:1px solid var(--primary);border-radius:8px;padding:5px 10px;font-size:11.5px;cursor:pointer;display:inline-flex;align-items:center;gap:4px;}
.form-field label.btn-attach{color:#fff;}
.btn-attach:hover{background:var(--primary-dark);border-color:var(--primary-dark);}
.doc-row.dm-row .doc-name{flex:0 0 210px;min-width:210px;}

.switch{position:relative;display:inline-block;width:36px;height:20px;flex-shrink:0;}
.switch input{opacity:0;width:0;height:0;}
.switch-slider{position:absolute;inset:0;background:#d1d5db;transition:.15s;border-radius:20px;cursor:pointer;}
.switch-slider::before{content:"";position:absolute;height:14px;width:14px;left:3px;bottom:3px;background:#fff;transition:.15s;border-radius:50%;}
.switch input:checked + .switch-slider{background:var(--primary);}
.switch input:checked + .switch-slider::before{transform:translateX(16px);}
.switch input:disabled + .switch-slider{opacity:.5;cursor:not-allowed;}
.switch-label{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:#374151;}

.timeline{list-style:none;padding:0;margin:0;border-left:2px solid var(--border);padding-left:18px;}
.timeline li{position:relative;padding-bottom:16px;}
.timeline li::before{content:"";position:absolute;left:-24px;top:3px;width:10px;height:10px;border-radius:50%;background:var(--primary);}
.timeline .tl-date{font-size:11.5px;color:var(--muted);}
.timeline .tl-text{font-size:13px;margin-top:2px;}

.comment-item{border-bottom:1px solid #f1f3f5;padding:8px 0;font-size:13px;}
.comment-meta{font-size:11px;color:var(--muted);margin-top:3px;}

.toast{position:fixed;bottom:20px;right:20px;background:var(--navy-1);color:#fff;padding:12px 18px;border-radius:12px;font-size:13px;z-index:200;box-shadow:0 10px 28px rgba(10,25,70,.35);}
.toast.error{background:var(--danger);}
.toast.success{background:var(--success);}

.ref-table-wrap{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:6px;}
.ref-add-row{display:flex;gap:8px;padding:12px;flex-wrap:wrap;}
.ref-add-row input,.ref-add-row select{padding:7px 10px;border:1px solid var(--border);border-radius:6px;}

.empty-state{padding:40px;text-align:center;color:var(--muted);}

@media (max-width:900px){
  .app{flex-direction:column;}
  .sidebar{width:100%;flex-direction:row;overflow-x:auto;}
  .menu{flex-direction:row;}
  .charts-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
}