:root{
  --bg:#f6f1e7; --card:#fffdf8; --ink:#3a3226; --muted:#8a7d68;
  --gold:#b8860b; --gold-soft:#f3e6c8; --blue:#1a73e8; --zalo:#0068ff;
  --danger:#b3261e; --ok:#1e7e34;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;line-height:1.6}
.wrap{max-width:768px;margin:0 auto;padding:20px 16px 60px}
.brand{display:flex;gap:12px;align-items:center;margin:8px 0 20px}
.brand-mark{font-size:40px}
.brand-name{font-weight:700;font-size:20px}
.brand-sub{color:var(--muted);font-size:14px}
.card{background:var(--card);border-radius:16px;padding:24px 20px;margin-bottom:16px;
  box-shadow:0 2px 12px rgba(120,90,20,.08);border:1px solid #eee3cb}
.card h1{font-size:22px;margin:0 0 12px}
.card h2{font-size:18px;margin:20px 0 10px}
.card h3{font-size:16px;margin:16px 0 8px}
.hint{color:var(--muted);font-size:14px}
.next{background:var(--gold-soft);border-radius:10px;padding:12px;margin-top:12px}
.closed{text-align:center;padding:36px 20px}
.closed-icon{font-size:56px}
.btn{display:block;width:100%;text-align:center;text-decoration:none;border:0;cursor:pointer;
  border-radius:12px;padding:14px 16px;font-size:16px;font-weight:600;margin:10px 0}
.btn.primary{background:linear-gradient(135deg,#c99a2e,#a8760a);color:#fff}
.btn.secondary{background:#efe8d8;color:var(--ink)}
.btn.ghost{background:transparent;color:var(--muted);font-weight:400}
.btn.big{font-size:18px;padding:18px}
.btn.zalo{background:var(--zalo);color:#fff;margin:8px 0}
label{display:block;margin:12px 0;font-weight:600}
label small{font-weight:400;color:var(--muted)}
input[type=text],input[type=tel],input[type=url],input[type=password],input[type=time],textarea,select{
  width:100%;padding:12px;border:1px solid #d8c9a8;border-radius:10px;font-size:16px;margin-top:6px;background:#fff}
textarea{resize:vertical}
.alert{background:#fdecea;color:var(--danger);border-radius:10px;padding:12px;margin:12px 0}
.ok{background:#e6f4ea;color:var(--ok);border-radius:10px;padding:12px;margin:12px 0}
.guide-item{background:#faf6ec;border-radius:10px;padding:12px;margin:10px 0}
.idpass{background:#faf6ec;border-radius:10px;padding:14px;margin:12px 0}
.kv{display:flex;align-items:center;gap:10px;margin:8px 0;flex-wrap:wrap}
.kv span{color:var(--muted);font-size:14px;min-width:110px}
.kv strong{font-size:18px;letter-spacing:1px}
.mini{background:#e8dfc9;border:0;border-radius:8px;padding:6px 10px;font-size:13px;cursor:pointer}
.zalo-box{border-top:1px dashed #d8c9a8;margin-top:16px;padding-top:8px}
.foot{text-align:center;color:var(--muted);font-size:13px;margin-top:24px}
.sched-row{display:flex;gap:6px;align-items:center;margin:8px 0;flex-wrap:wrap}
.sched-row select,.sched-row input{width:auto;flex:1;min-width:70px;margin-top:0}
.tbl{width:100%;border-collapse:collapse;font-size:13px}
.tbl th,.tbl td{border-bottom:1px solid #eee3cb;padding:8px 6px;text-align:left}
.tbl th{background:#faf6ec}
.mono{font-family:ui-monospace,Menlo,monospace;font-size:12px}
.admin .card{max-width:100%}
.admin-title{font-size:22px}
a{color:var(--blue)}
.tbl-wrap{overflow-x:auto;margin-top:10px}
.tbl-actions{display:flex;justify-content:space-between;align-items:center;margin:10px 0;flex-wrap:wrap;gap:8px}
.pagination{display:flex;gap:4px;align-items:center;justify-content:center;margin-top:16px;flex-wrap:wrap}
.page-btn{padding:5px 10px;border-radius:6px;background:#faf6ec;border:1px solid #d8c9a8;text-decoration:none;color:var(--ink);font-size:13px;line-height:1.4}
.page-btn:hover{background:#efe8d8}
.page-btn.active{background:var(--gold);color:#fff;border-color:var(--gold);font-weight:700}
.page-btn.disabled{opacity:.4;pointer-events:none}
.mini.danger{background:#fdecea;color:var(--danger);border:1px solid #fad2cf}
.mini.danger:hover{background:#f9d5d3}
.tbl th.col-check,.tbl td.col-check{width:36px;text-align:center}
.tbl th.col-action,.tbl td.col-action{text-align:center;width:60px}
.count-info{font-size:13px;color:var(--muted)}
.filter-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:12px 0 14px;padding:10px 12px;background:#faf6ec;border-radius:10px;border:1px solid #eee3cb}
.filter-bar input[type=date]{width:auto;padding:6px 10px;margin:0;font-size:14px;border-radius:8px;border:1px solid #d8c9a8}
.filter-pills{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.pill{padding:5px 10px;border-radius:6px;background:#efe8d8;color:var(--ink);text-decoration:none;font-size:13px;border:1px solid #e0d4be;line-height:1.4}
.pill:hover{background:#e5dcbe}
.pill.active{background:var(--gold);color:#fff;border-color:var(--gold);font-weight:600}
.day-sep{background:#f5eedb;font-weight:700;color:var(--ink);font-size:12px}
.day-sep td{padding:6px 10px;border-bottom:1px solid #e4d5b7;color:#6b5832}