:root{
  --primary:#0b5cab;
  --primary-d:#084a89;
  --accent:#f0a500;
  --bg:#f4f6f9;
  --card:#ffffff;
  --text:#1f2a37;
  --muted:#6b7280;
  --border:#e2e8f0;
  --danger:#c0392b;
  --ok:#1e7d3a;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.muted{color:var(--muted);font-size:.85em}

/* topbar */
.topbar{background:linear-gradient(90deg,var(--primary-d),var(--primary));color:#fff}
.topbar-inner{display:flex;align-items:center;gap:16px;padding:10px 16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff}
.brand:hover{text-decoration:none}
.brand-logo{background:var(--accent);color:#1a1a1a;font-weight:700;width:40px;height:40px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text small{font-size:11px;opacity:.85}
.topsearch{flex:1;display:flex;max-width:460px}
.topsearch input{flex:1;border:0;border-radius:6px 0 0 6px;padding:9px 12px;font-size:14px}
.topsearch button{background:var(--accent);color:#1a1a1a;border:0;border-radius:0 6px 6px 0;padding:0 16px;font-weight:600;cursor:pointer}
.topnav{display:flex;gap:14px;margin-left:auto;font-size:14px}
.topnav a{color:#fff}

/* mainnav */
.mainnav{background:#fff;border-bottom:1px solid var(--border);box-shadow:0 1px 3px rgba(0,0,0,.04)}
.mainnav .wrap{display:flex;flex-wrap:wrap;gap:2px}
.mainnav a{padding:12px 15px;color:var(--text);font-size:14px;border-bottom:3px solid transparent}
.mainnav a:hover{background:#f0f6ff;text-decoration:none}
.mainnav a.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}

/* content */
.content{padding:22px 16px 60px}
.hero{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:26px;margin-bottom:22px;text-align:center}
.hero h1{margin:0 0 4px;font-size:24px;color:var(--primary-d)}
.hero p{margin:0 0 18px;color:var(--muted)}
.stats{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.stat{background:#f0f6ff;border:1px solid #d6e6fb;border-radius:8px;padding:12px 20px;min-width:130px;display:flex;flex-direction:column}
.stat .num{font-size:26px;font-weight:700;color:var(--primary)}
.stat .lbl{font-size:13px;color:var(--muted)}

.cols{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:18px}
.card h2{margin:0 0 12px;font-size:17px;color:var(--primary-d)}

.doclist{list-style:none;margin:0;padding:0}
.doclist li{padding:10px 0;border-bottom:1px dashed var(--border);display:flex;flex-wrap:wrap;gap:8px;align-items:baseline}
.doclist li:last-child{border-bottom:0}
.doclist p{margin:0;flex-basis:100%;color:#374151;font-size:14px}
.doclist .date{color:var(--muted);font-size:13px;margin-left:auto}

/* page head */
.pagehead{display:flex;align-items:center;gap:16px;margin-bottom:16px;flex-wrap:wrap}
.pagehead h1{margin:0;font-size:22px;color:var(--primary-d)}
.pagehead .count{color:var(--muted)}
.head-actions{margin-left:auto;display:flex;gap:8px}

/* filter */
.filterbar{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.filterbar input[type=text]{flex:1;min-width:240px;padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px}
.filterbar button{background:var(--primary);color:#fff;border:0;border-radius:6px;padding:9px 18px;cursor:pointer;font-weight:600}
.clearbtn{color:var(--muted);align-self:center;font-size:14px}
.btn{display:inline-block;background:#eef2f7;color:var(--text);border:1px solid var(--border);border-radius:6px;padding:8px 14px;font-size:14px;cursor:pointer}
.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}

/* table */
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:8px;overflow:hidden}
.table th,.table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border);font-size:14px;vertical-align:top}
.table thead th{background:#f7f9fc;color:#374151;font-weight:600;white-space:nowrap}
.table tbody tr:hover{background:#f9fbfe}
.empty{text-align:center;color:var(--muted);padding:22px}
.actions{white-space:nowrap;display:flex;gap:10px;align-items:center}
.actions form{display:inline;margin:0}
.linkbtn{background:none;border:0;color:var(--primary);cursor:pointer;padding:0;font-size:14px}
.linkbtn.danger{color:var(--danger)}

.pager{display:flex;gap:14px;justify-content:center;align-items:center;margin-top:18px;color:var(--muted)}
.pager a{background:#fff;border:1px solid var(--border);border-radius:6px;padding:6px 14px}

/* detail */
.detail-grid{display:grid;grid-template-columns:2fr 1fr;gap:22px}
.detail-main,.detail-side{background:#fff;border:1px solid var(--border);border-radius:10px;padding:20px}
.trichyeu{margin:0 0 16px;font-size:18px;color:var(--text)}
.kv{width:100%;border-collapse:collapse}
.kv th,.kv td{padding:8px 10px;border-bottom:1px solid var(--border);font-size:14px;text-align:left}
.kv th{width:220px;color:var(--muted);font-weight:600}
.filelist{list-style:none;margin:0 0 16px;padding:0}
.filelist li{padding:7px 0;border-bottom:1px dashed var(--border)}
.badge{background:#eef2f7;border-radius:10px;padding:2px 10px;font-size:12px;color:#374151}

/* forms */
.editform{background:#fff;border:1px solid var(--border);border-radius:10px;padding:20px;max-width:760px}
.editform.narrow{max-width:440px}
.field{display:flex;flex-direction:column;margin-bottom:14px;gap:4px}
.field span{font-size:14px;color:#374151;font-weight:600}
.field input,.field select,.field textarea{padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;font-family:inherit}
.formactions{margin-top:8px;display:flex;gap:10px}
button.primary{background:var(--primary);color:#fff;border:0;border-radius:6px;padding:10px 22px;font-weight:600;cursor:pointer}

.alert{background:#fdecea;border:1px solid #f5c6cb;color:var(--danger);border-radius:8px;padding:10px 14px;margin-bottom:14px}
.alert.ok{background:#e6f4ea;border-color:#b7e1c4;color:var(--ok)}

/* login */
.login-box{max-width:380px;margin:40px auto;background:#fff;border:1px solid var(--border);border-radius:10px;padding:26px}
.login-box h1{margin:0 0 18px;font-size:20px;color:var(--primary-d);text-align:center}
.login-box label{display:flex;flex-direction:column;gap:4px;margin-bottom:14px;font-size:14px;font-weight:600;color:#374151}
.login-box input{padding:10px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px}
.login-box button{width:100%}

.footer{margin-top:40px;background:#0f172a;color:#cbd5e1;padding:22px 0;text-align:center;font-size:13px}
.footer p{margin:2px 0}

@media(max-width:860px){
  .cols,.detail-grid{grid-template-columns:1fr}
  .topbar-inner{flex-wrap:wrap}
  .topsearch{order:3;max-width:none;flex-basis:100%}
}

/* history json */
pre.json{white-space:pre-wrap;word-break:break-word;max-height:220px;overflow:auto;background:#f7f9fc;border:1px solid var(--border);border-radius:6px;padding:8px;font-size:12px;margin:0}

/* filter selects */
.filterbar select{padding:9px 12px;border:1px solid var(--border);border-radius:6px;font-size:14px;background:#fff;max-width:280px}

/* lich cong tac - dong ngay */
.table tbody tr.dayrow td{background:#eef5ff;color:var(--primary-d);border-top:2px solid #d6e6fb}

/* lich - fullcalendar */
#lich_calendar{background:#fff;border:1px solid var(--border);border-radius:10px;padding:12px}
#lich_calendar .fc{font-size:13px}
#lich_calendar .fc-toolbar-title{font-size:18px;color:var(--primary-d)}
#lich_calendar .fc .fc-button-primary{background:var(--primary);border-color:var(--primary);text-transform:none}
#lich_calendar .fc .fc-button-primary:hover{background:var(--primary-d);border-color:var(--primary-d)}
#lich_calendar .fc-col-header-cell-cushion{color:#374151;text-decoration:none}
#lich_calendar .fc-timegrid-slot-label{color:var(--muted)}
#lich_calendar .fc-timegrid-event{border-radius:6px;overflow:hidden}
.lich-ev{padding:3px 4px;line-height:1.2;white-space:normal}
.lich-ev-time{font-size:11px;font-weight:700;opacity:.95}
.lich-ev-title{font-size:12px;font-weight:600;margin-top:1px}
.lich-ev-loc{font-size:11px;opacity:.9;margin-top:2px}
.lich-ev-chair{font-size:11px;opacity:.85}
.lich-detail{margin-top:18px}
.lich-detail-head{display:flex;gap:12px;align-items:center;justify-content:space-between}
.lich-detail-head h2{margin:0;font-size:18px;color:var(--primary-d)}

/* lich - chong tran chu */
#lich_calendar .fc-timegrid-event,#lich_calendar .fc-event-main{overflow:hidden!important}
.lich-ev{overflow:hidden;max-height:100%;padding:1px 3px}
.lich-ev-time{font-size:10px;font-weight:700;opacity:.95;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lich-ev-title{font-size:11px;font-weight:600;line-height:1.15;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.lich-ev-loc{font-size:10px;opacity:.85;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lich-ev-list{padding:1px 2px}
.lich-ev-list .lich-ev-meta{font-size:12px;color:var(--muted);margin-top:2px}

/* lich - view toggle + modal + compact event */
.viewtoggle{display:flex;gap:6px;margin-bottom:10px}
.viewtoggle .btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.modal-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}
.modal-overlay[hidden]{display:none}
.modal-box{background:#fff;border-radius:10px;box-shadow:0 20px 50px rgba(0,0,0,.25);width:100%;max-width:720px;max-height:85vh;overflow:auto;padding:18px}
.modal-head{display:flex;align-items:flex-start;gap:12px;justify-content:space-between;margin-bottom:10px}
.modal-head h2{margin:0;font-size:18px;color:var(--primary-d)}
.modal-close{background:none;border:0;font-size:28px;line-height:1;color:var(--muted);cursor:pointer;padding:0 4px}
.modal-box .kv th{width:150px}
#lich_calendar .fc-timegrid-event{border-radius:5px}
.lich-ev{padding:1px 3px;overflow:hidden}
.lich-ev-title{font-size:11px;font-weight:600;line-height:1.15;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lich-ev-list .lich-ev-title{white-space:normal;font-size:14px}

/* lich - legend + export bar */
.lich-legend{display:flex;gap:12px;align-items:center;margin-left:12px;font-size:12px;color:var(--muted);flex-wrap:wrap}
.lich-legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:middle}
.exportbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:12px;background:#fff;border:1px solid var(--border);border-radius:8px;padding:10px}
.exportbar label{font-size:13px;color:#374151;display:flex;align-items:center;gap:6px}
.exportbar input[type=month],.exportbar input[type=text]{padding:7px 10px;border:1px solid var(--border);border-radius:6px;font-size:13px}
.exportbar input[type=text]{min-width:240px}
.exportbar .btn{padding:7px 12px;font-size:13px}

/* van ban - dropzone */
.dropzone{border:2px dashed #b8c7d9;border-radius:8px;padding:18px;text-align:center;background:#f8fbff;cursor:pointer}
.dropzone.drag{background:#e8f1ff;border-color:var(--primary)}
.dropzone p{margin:0}
.filelist{list-style:none;margin:8px 0 0;padding:0;text-align:left}
.filelist li{padding:5px 0;border-bottom:1px dashed var(--border);font-size:13px;display:flex;gap:10px;align-items:center;justify-content:space-between}

/* pdf viewer modal */
.pdf-modal{position:fixed;inset:0;z-index:1100;background:rgba(15,23,42,.75);display:flex;align-items:center;justify-content:center;padding:16px}
.pdf-modal[hidden]{display:none}
.pdf-box{width:min(1200px,96vw);height:90vh;background:#fff;border-radius:10px;display:flex;flex-direction:column;overflow:hidden}
.pdf-head{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--border)}
.pdf-head span{flex:1;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pdf-actions{display:flex;gap:8px;align-items:center}
.pdf-actions .btn{padding:6px 10px;font-size:13px}
.pdf-box iframe{flex:1;width:100%;border:0;background:#525659}
.pdf-modal:fullscreen{padding:0;background:#000}
.pdf-modal:fullscreen .pdf-box{width:100vw;height:100vh;border-radius:0}
.pdf-modal.pdf-full{padding:0}
.pdf-modal.pdf-full .pdf-box{width:100vw;height:100vh;border-radius:0}