:root{
  --bg:#FFFFFF; --text:#2F3437; --muted:#6B7178; --faint:#9AA0A6;
  --line:#ECEDEF; --line2:#E1E3E6; --soft:#F7F8F9; --soft2:#F1F2F4; --sel:#F3F5F7;
  --primary:#3D4650; --link:#3D6A9E; --danger:#B42318;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:'IBM Plex Sans Thai',system-ui,sans-serif;font-size:15px;line-height:1.5;font-variant-numeric:tabular-nums}
a{color:var(--link)} a:hover{color:#2A4C74}
h1{margin:0;font-size:24px;font-weight:600}
h2{margin:0;font-size:20px;font-weight:600}
h3{margin:0;font-size:16px;font-weight:600}
button{font:inherit;color:inherit;cursor:pointer}
input,textarea{font:inherit;color:var(--text)}
input::placeholder,textarea::placeholder{color:var(--faint)}
.wrap{max-width:1360px;margin:0 auto;padding-left:32px;padding-right:32px}
@media (max-width:640px){.wrap{padding-left:16px;padding-right:16px}}
.muted{color:var(--muted)} .small{font-size:13px}
.eyebrow{font-size:13px;color:var(--muted);letter-spacing:.04em}
.stack{display:flex;flex-direction:column;gap:14px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}

.top{border-bottom:1px solid var(--line)}
.top-row{padding-top:20px;padding-bottom:8px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.top-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.tabs{display:flex;flex-wrap:wrap;gap:24px}
.tab{min-height:44px;padding:0;border:0;border-bottom:2px solid transparent;background:none;color:var(--muted);font-weight:500;font-size:14px}
.tab[aria-current="page"]{border-bottom-color:var(--primary);color:var(--text);font-weight:600}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 18px;border-radius:10px;border:1px solid var(--line2);background:#fff;font-size:14px;font-weight:500;text-decoration:none;color:var(--text)}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.ghost{background:#fff}
.btn.sm{min-height:36px;padding:0 12px;font-size:13px}
.btn:disabled{opacity:.5;cursor:default}
.icon-btn{width:44px;height:44px;border:1px solid var(--line2);border-radius:10px;background:#fff;display:inline-flex;align-items:center;justify-content:center}

.layout{padding-top:28px;padding-bottom:48px;display:flex;flex-wrap:wrap;gap:28px;align-items:flex-start}
.content{flex:999 1 640px;min-width:0;display:flex;flex-direction:column;gap:24px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px}
.detail{flex:1 1 340px;min-width:0;position:sticky;top:16px;padding:24px;display:flex;flex-direction:column;gap:18px;box-shadow:0 6px 24px rgba(30,35,40,.05)}
@media (max-width:1000px){.detail{position:static}}

.progress-track{height:8px;border-radius:99px;background:var(--soft2);overflow:hidden}
.progress-bar{height:100%;background:#7ECFA3;border-radius:99px}
.row-between{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px}
.big{font-size:28px;font-weight:600}

.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:99px;border:1px solid var(--line2);background:#fff;font-size:14px}
.chip[aria-pressed="true"]{background:#EEF0F2;border-color:#C9CDD2;font-weight:600}
.chip .n{opacity:.7}
.dot{width:8px;height:8px;border-radius:99px;display:inline-block;flex:none}
.sq{width:14px;height:14px;border-radius:4px;display:inline-block;border:1px solid;flex:none}

.search{display:flex;align-items:center;gap:8px;min-height:44px;padding:0 14px;border:1px solid var(--line2);border-radius:10px;flex:0 1 260px;min-width:200px}
.search input{border:0;outline:none;width:100%;background:transparent;font-size:14px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

.table-box{background:#fff;border:1px solid var(--line);border-radius:14px;overflow-x:auto}
.tbl{min-width:900px}
.tr{display:grid;grid-template-columns:84px 48px repeat(4,minmax(0,1fr)) 150px 96px;gap:12px;padding:8px 16px;align-items:center;border-bottom:1px solid var(--soft2);font-size:14px}
.tr.head{background:var(--soft);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted);font-weight:500;padding-top:12px;padding-bottom:12px}
.tr.selected{background:var(--sel)}
.room-btn{min-height:36px;padding:0 8px;margin-left:-8px;border:0;border-radius:6px;background:none;font-weight:600;font-size:15px;text-decoration:underline;text-decoration-color:#D5D8DC;text-underline-offset:4px}
.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:99px;font-size:13px;font-weight:500;white-space:nowrap}
.overdue{color:var(--danger);font-weight:600}
.overdue-note{font-size:12px;color:var(--danger);font-weight:500}
.empty{padding:40px 16px;text-align:center;color:var(--muted)}

/* calendar */
.cal-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}
.cal-nav{display:flex;align-items:center;gap:8px}
.cal{min-width:700px}
.cal-wd,.cal-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr))}
.cal-wd{background:var(--soft);border-bottom:1px solid var(--line)}
.cal-wd div{padding:10px 12px;font-size:13px;font-weight:500;color:var(--muted)}
.cal-grid{gap:1px;background:var(--line)}
.cal-cell{min-height:112px;padding:8px;border:0;background:#fff;text-align:left;display:flex;flex-direction:column;gap:4px;align-items:stretch;justify-content:flex-start}
.cal-cell.out{background:#FCFCFD}
.cal-cell.sel{background:var(--sel);box-shadow:inset 0 0 0 2px #8A929B}
.daynum{align-self:flex-start;min-width:28px;height:28px;padding:0 4px;border-radius:99px;display:inline-flex;align-items:center;justify-content:center;font-size:14px;font-weight:500}
.cal-cell.out .daynum{color:var(--faint)}
.daynum.today{background:var(--primary);color:#fff}
.ev{display:block;padding:2px 8px;border-radius:4px;font-size:12px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev.mine{box-shadow:inset 0 0 0 1.5px currentColor}
.cards2{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px}
.list-card{padding:20px;display:flex;flex-direction:column;gap:8px}
.ev-row{display:flex;align-items:center;gap:12px;min-height:48px;padding:8px 12px;border:0;border-radius:10px;text-align:left}
.up-row{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;padding:0 4px;border:0;border-bottom:1px solid var(--soft2);background:none;text-align:left}

/* matrix */
.mx-box{max-width:640px}
.mx{min-width:520px;padding:6px 10px 10px}
.mx-row{display:grid;grid-template-columns:40px repeat(10,minmax(0,1fr)) 40px;gap:3px;align-items:center;margin-bottom:3px}
.mx-row.head{font-size:11px;color:var(--muted);font-weight:500;border-bottom:1px solid var(--soft2);padding:4px 0 6px;margin-bottom:6px}
.mx-fl{font-size:12px;font-weight:600;color:#4A5058}
.mx-svc{display:grid;grid-template-columns:40px minmax(0,1fr);gap:3px;align-items:center;margin-bottom:3px}
.mx-svc .bar{height:20px;border-radius:4px;background:var(--soft);display:flex;align-items:center;padding:0 8px;font-size:11px;color:var(--muted)}
.cell{height:26px;border-radius:4px;border:1px solid;font-size:11px;font-weight:500;padding:0}
.cell.top{border-bottom-width:0;border-radius:4px 4px 0 0}
.cell.bottom{border-top-width:0;border-radius:0 0 4px 4px}
.cell.dim{opacity:.2}
.cell.selected{box-shadow:0 0 0 1px #fff,0 0 0 3px var(--primary)}
.cell-empty{height:26px;border-radius:4px;background:repeating-linear-gradient(135deg,var(--soft) 0 6px,#fff 6px 12px)}
.right{text-align:right}

/* detail */
.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:flex;gap:14px}
.tl-rail{display:flex;flex-direction:column;align-items:center;width:14px}
.tl-dot{width:12px;height:12px;margin-top:5px;border-radius:99px;border:2px solid #D5D8DC;background:#fff}
.tl-dot.on{background:#8A929B;border-color:#8A929B}
.tl-line{flex:1;width:2px;background:var(--line);min-height:24px}
.timeline li:last-child .tl-line{background:transparent}
.tl-body{padding-bottom:14px;display:flex;flex-direction:column}
.tl-val{font-size:16px;font-weight:500}
.tl-val.none{color:var(--faint)}
.alert{padding:10px 14px;border-radius:10px;font-size:14px}
.alert.error{background:#FFE8EC;color:#8F1D2C}
.alert.ok{background:#D6F3E3;color:#1C6640}
.alert.info{background:var(--soft);color:var(--muted)}
.field{display:flex;flex-direction:column;gap:6px;font-size:14px;font-weight:500}
.field input,.field textarea{min-height:44px;padding:0 12px;border:1px solid var(--line2);border-radius:10px;font-weight:400}
.field textarea{padding:10px 12px;resize:vertical}
.check{display:flex;align-items:center;gap:12px;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;font-size:14px;font-weight:500}
.check input{width:20px;height:20px;margin:0;accent-color:var(--primary)}
.note{white-space:pre-wrap;padding:12px 14px;border-radius:10px;background:var(--soft);font-size:14px}
.history{display:flex;flex-direction:column;gap:6px;font-size:13px}
.history div{padding-bottom:6px;border-bottom:1px solid var(--soft2)}

.dialog{border:0;border-radius:16px;padding:28px;width:min(420px,calc(100vw - 32px));box-shadow:0 20px 60px rgba(30,35,40,.18)}
.dialog::backdrop{background:rgba(30,35,40,.35)}
.loading{padding:60px 0;text-align:center;color:var(--muted)}