/* ===== ระบบงานสารบรรณ — academic theme (desktop) ===== */
:root{
  --ink:#1b2430; --ink-2:#4a5565; --ink-3:#7a8494;
  --navy:#13294b; --navy-2:#1f3d6b; --accent:#2a78d6; --accent-2:#eb6834;
  --paper:#f5f4f0; --surface:#fcfcfb; --rule:#d9d6cf; --rule-soft:#ebe8e2;
  --pink:#b0476a; --brown:#8a6a4f;
}
html{font-size:15px}
body{font-family:'Sarabun',system-ui,sans-serif;background:var(--paper);color:var(--ink);
  font-variant-numeric:tabular-nums}
h1,h2,h3,h4,h5,.serif{font-family:'Noto Serif Thai','Sarabun',serif;letter-spacing:.1px}
a{color:var(--accent)}

/* มุมมอง desktop: บังคับความกว้างขั้นต่ำ / มุมมองมือถือ: ปล่อยให้ปรับตามจอ */
body.view-desktop{min-width:1100px}
body.view-mobile .masthead-date{display:none}
body.view-mobile .table-academic{display:block;overflow-x:auto}
.view-switch{color:inherit;text-decoration:none;border-bottom:1px dotted currentColor}

/* masthead */
.masthead{background:var(--navy);color:#fff;padding:14px 0;border-bottom:3px solid #c9a54a}
.masthead a{color:inherit;text-decoration:none}
.masthead-seal{width:46px;height:46px;border-radius:50%;border:2px solid #c9a54a;display:grid;place-items:center;font-size:1.35rem;color:#e6cf8f!important}
.masthead-text{display:flex;flex-direction:column;line-height:1.25}
.masthead-title{font-family:'Noto Serif Thai',serif;font-size:1.45rem;font-weight:700}
.masthead-sub{font-size:.9rem;color:#c8d3e6}
.masthead-date{font-size:.9rem;color:#c8d3e6}

/* nav */
.main-nav{background:#fff;border-bottom:1px solid var(--rule);padding:0}
.main-nav .nav-link{color:var(--ink-2)!important;font-weight:500;padding:.85rem .9rem!important;border-bottom:2px solid transparent}
.main-nav .nav-link:hover{color:var(--navy)!important;background:#f7f6f2}
.main-nav .nav-link.active{color:var(--navy)!important;border-bottom-color:var(--navy);font-weight:600}
.main-nav .dropdown-menu{border-radius:4px;border-color:var(--rule);box-shadow:0 6px 18px rgba(20,30,50,.08)}
.btn-user{background:var(--navy);color:#fff;border:0;border-radius:4px}
.btn-user:hover,.btn-user:focus{background:var(--navy-2);color:#fff}

/* surfaces */
.card{border:1px solid var(--rule);border-radius:6px;box-shadow:none;background:var(--surface)}
.card-header{background:var(--surface)!important;border-bottom:1px solid var(--rule-soft);padding:.85rem 1.1rem}
.section-title{font-family:'Noto Serif Thai',serif;font-size:1.05rem;font-weight:600;color:var(--navy);margin:0}
.section-note{font-size:.85rem;color:var(--ink-3)}
.page-head{display:flex;gap:.75rem;align-items:flex-end;justify-content:space-between;margin-bottom:1.25rem;
  padding-bottom:.75rem;border-bottom:1px solid var(--rule)}
.page-head h1{font-size:1.6rem;margin:0;font-weight:700;color:var(--navy)}
.page-head .lead-note{color:var(--ink-3);font-size:.92rem;margin-top:2px}
.btn{border-radius:4px}
.btn-primary{background:var(--navy);border-color:var(--navy)}
.btn-primary:hover,.btn-primary:focus{background:var(--navy-2);border-color:var(--navy-2)}
.form-control,.form-select{border-radius:4px;border-color:#cfcbc2}
.form-label{font-weight:600;color:var(--ink-2)}
.req::after{content:" *";color:#c0392b}

/* academic (booktabs-style) tables */
.table{--bs-table-bg:transparent;margin:0;color:var(--ink)}
.table-academic{border-top:2px solid var(--ink);border-bottom:2px solid var(--ink)}
.table-academic thead th{background:transparent;color:var(--ink);font-weight:600;font-size:.88rem;
  border-bottom:1px solid var(--ink)!important;padding:.65rem .75rem;white-space:nowrap;vertical-align:bottom}
.table-academic td{border-bottom:1px solid var(--rule-soft);padding:.6rem .75rem;vertical-align:top}
.table-academic tbody tr:last-child td{border-bottom:0}
.table-academic tbody tr:hover td{background:#f3f1ea}
.table-academic tfoot td{border-top:1px solid var(--ink);font-weight:600;padding:.6rem .75rem}
.table-academic .num{text-align:right;white-space:nowrap}
.col-no{width:110px}.col-date{width:120px}.col-act{width:96px}
.doc-no{font-weight:700;color:var(--navy);white-space:nowrap}
.cell-sub{display:block;font-size:.82rem;color:var(--ink-3);margin-top:2px}
.tag{display:inline-block;font-size:.78rem;padding:1px 8px;border:1px solid var(--rule);border-radius:999px;color:var(--ink-2);background:#fff;white-space:nowrap}
.tr-cancelled td{color:#9aa1ab}
.tr-cancelled .doc-title{text-decoration:line-through}
.share-bar{height:6px;background:var(--rule-soft);border-radius:3px;overflow:hidden;min-width:90px}
.share-bar span{display:block;height:100%;background:var(--accent);border-radius:3px}
.icon-btn{width:30px;height:30px;padding:0;display:inline-grid;place-items:center;border:1px solid var(--rule);background:#fff;color:var(--ink-2)}
.icon-btn:hover{border-color:var(--navy);color:var(--navy);background:#fff}

/* KPI */
.kpi{border:1px solid var(--rule);background:var(--surface);border-radius:6px;padding:16px 18px;height:100%}
.kpi-label{font-size:.85rem;color:var(--ink-3)}
.kpi-value{font-family:'Noto Serif Thai',serif;font-size:2rem;font-weight:700;color:var(--ink);line-height:1.15;margin-top:4px}
.kpi-foot{font-size:.82rem;color:var(--ink-3);margin-top:4px}
.kpi-mark{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:baseline}

/* quick actions */
.quick-btn{display:flex;align-items:center;gap:16px;padding:18px 20px;border-radius:6px;border:1px solid var(--rule);
  background:var(--surface);color:var(--ink);text-decoration:none;transition:border-color .12s,box-shadow .12s}
.quick-btn:hover{border-color:var(--navy);box-shadow:0 4px 14px rgba(19,41,75,.08);color:var(--ink)}
.quick-btn .qi{width:48px;height:48px;border-radius:6px;display:grid;place-items:center;font-size:1.5rem;color:#fff}
.quick-btn b{font-family:'Noto Serif Thai',serif;font-size:1.15rem;display:block}
.quick-btn small{color:var(--ink-3)}
.quick-btn .bi-arrow-right{margin-left:auto;color:var(--ink-3)}
.bg-out{background:var(--accent)}.bg-order{background:var(--accent-2)}

/* charts */
.chart-box{position:relative;height:300px}
.chart-box.tall{height:340px}
.legend-inline{display:flex;gap:16px;font-size:.85rem;color:var(--ink-2)}
.legend-inline i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px}
.figure-cap{font-size:.82rem;color:var(--ink-3);margin-top:8px}

/* misc */
.number-result{border:1px solid #9fc9a9;background:#f2f8f3;border-radius:6px;padding:22px;text-align:center}
.number-result .big{font-family:'Noto Serif Thai',serif;font-size:2.8rem;font-weight:700;color:#1d6b3a}
.site-footer{border-top:1px solid var(--rule);color:var(--ink-3);font-size:.85rem;padding:18px 0;margin-top:24px;background:#fff}
.login-box{max-width:420px;margin:40px auto}
.pagination .page-link{color:var(--navy);border-radius:4px!important;margin:0 2px}
.pagination .active .page-link{background:var(--navy);border-color:var(--navy);color:#fff}
.ts-wrapper.form-select{padding:0}
details summary{cursor:pointer}
@media print{
  .no-print,.navbar,.btn,.pagination,.site-footer{display:none!important}
  body{background:#fff;min-width:0}
  .card{border:0}
  main{max-width:100%!important;padding:0!important}
}