:root{--bg:#f6f7f9;--card:#fff;--ink:#1f2328;--sub:#6b7280;--line:#e3e6ea;--accent:#c2410c;--ok:#15803d;--warn:#b45309;--bad:#b91c1c}
*{box-sizing:border-box}
body{margin:0;font-family:'Sarabun','Noto Sans Thai',system-ui,sans-serif;background:var(--bg);color:var(--ink)}
header{background:#fff;border-bottom:1px solid var(--line);padding:12px 20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:8px}
header h1{font-size:18px;margin:0}
.settings{display:flex;gap:6px;align-items:center}
.settings input{padding:6px 8px;border:1px solid var(--line);border-radius:6px}
.pill{font-size:12px;padding:2px 8px;border-radius:999px;background:#eef;color:#334}
.tabs{display:flex;gap:4px;padding:10px 20px 0}
.tabs button{border:1px solid var(--line);border-bottom:none;background:#eef0f3;padding:8px 16px;border-radius:8px 8px 0 0;cursor:pointer}
.tabs button.active{background:#fff;font-weight:700}
.tab{display:none;padding:16px 20px}
.tab.active{display:block}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
summary{cursor:pointer;font-weight:700}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.grid label{display:flex;flex-direction:column;font-size:13px;color:var(--sub);gap:4px}
.grid input,.grid select{padding:7px 8px;border:1px solid var(--line);border-radius:6px;font-size:14px;color:var(--ink)}
.actions{grid-column:1/-1;display:flex;justify-content:flex-end}
button{background:var(--accent);color:#fff;border:none;padding:8px 14px;border-radius:7px;cursor:pointer;font-size:14px}
button.ghost{background:#eef0f3;color:var(--ink)}
.toolbar{display:flex;gap:8px;margin:10px 0}
.toolbar input,.toolbar select{padding:7px 8px;border:1px solid var(--line);border-radius:6px}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);font-size:14px}
th{background:#f0f2f5;font-size:12px;color:var(--sub)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.inline{display:flex;gap:6px;margin:8px 0}
.inline input{flex:1;padding:7px 8px;border:1px solid var(--line);border-radius:6px}
.status{font-size:12px;font-weight:700;padding:2px 8px;border-radius:999px}
.status.scheduled{background:#eef;color:#3338a0}
.status.checked_in{background:#e7f6ec;color:var(--ok)}
.status.cancelled{background:#fdeaea;color:var(--bad)}
.created{margin-top:12px;padding:10px;background:#fff7ed;border:1px solid var(--accent);border-radius:8px}
.created img{vertical-align:middle}
.hidden{display:none}
.link{background:none;color:var(--accent);padding:2px 6px;font-size:13px}
@media(max-width:760px){.grid{grid-template-columns:1fr}.two-col{grid-template-columns:1fr}}