:root{
  --bg:#F5F1EA; --paper:#FFFDF9; --ink:#27322C; --ink2:#5E6A63; --mute:#98A29B;
  --line:#E6DFD3; --sage:#6F8F7A; --sage-d:#4F6E5A; --sage-l:#E3ECE5;
  --sand:#EDE5D8; --clay:#C4876A; --gold:#C9A46A;
  --r:18px; --shadow:0 1px 2px rgba(39,50,44,.05),0 8px 24px -12px rgba(39,50,44,.18);
  --font:"IBM Plex Sans Thai",system-ui,sans-serif; --serif:"Noto Serif Thai",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--bg);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.55;-webkit-font-smoothing:antialiased}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select{font:inherit;color:inherit}
a{color:inherit;text-decoration:none}
.demo-banner{position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:10px;padding:8px 14px;
  background:rgba(39,50,44,.92);backdrop-filter:blur(8px);color:#F3EEE5;font-size:12.5px}
.demo-banner .dot{width:7px;height:7px;border-radius:50%;background:#9FD3AE;box-shadow:0 0 0 3px rgba(159,211,174,.25);flex:none}
.demo-banner span:nth-child(2){flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.switch{display:flex;background:rgba(255,255,255,.1);border-radius:999px;padding:2px;flex:none}
.switch a{padding:4px 12px;border-radius:999px;color:#D9D3C8;transition:.2s}
.switch a.on{background:#F5F1EA;color:var(--ink);font-weight:600}

/* ---------- customer (LIFF) ---------- */
.liff{max-width:440px;margin:0 auto;min-height:calc(100vh - 36px);padding:0 0 96px;position:relative}
.liff-top{display:flex;align-items:center;gap:12px;padding:18px 20px 6px}
.logo{width:40px;height:40px;border-radius:12px;background:linear-gradient(145deg,#8FAE98,#5F7F6A);display:grid;place-items:center;color:#fff;box-shadow:var(--shadow)}
.logo svg{width:22px;height:22px}
.brand b{display:block;font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.2px}
.brand small{color:var(--mute);font-size:12px}
.avatar{margin-left:auto;width:36px;height:36px;border-radius:50%;background:var(--sand);display:grid;place-items:center;font-weight:600;color:var(--sage-d);font-size:14px}
.section{padding:14px 20px}
.h1{font-family:var(--serif);font-weight:600;font-size:24px;line-height:1.3;letter-spacing:.1px}
.h2{font-weight:600;font-size:16px}
.sub{color:var(--ink2);font-size:13.5px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.hero{margin:10px 20px 0;padding:22px;border-radius:24px;color:#fff;position:relative;overflow:hidden;
  background:radial-gradient(120% 90% at 100% 0%,#A9C2AF 0%,transparent 55%),linear-gradient(160deg,#6F8F7A,#4C6A57)}
.hero::after{content:"";position:absolute;right:-40px;bottom:-60px;width:200px;height:200px;border-radius:50%;border:1px solid rgba(255,255,255,.18);box-shadow:0 0 0 26px rgba(255,255,255,.05)}
.hero .h1{color:#fff}
.hero p{opacity:.85;font-size:13.5px;margin-top:4px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 20px;border-radius:14px;font-weight:600;transition:transform .12s,background .2s,opacity .2s}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--ink);color:#F5F1EA}
.btn-light{background:#fff;color:var(--sage-d)}
.btn-ghost{background:var(--sand);color:var(--ink)}
.btn-block{width:100%}
.btn[disabled]{opacity:.35;pointer-events:none}
.hero .btn{margin-top:16px;position:relative;z-index:1}
.mini-reward{margin:14px 20px 0;padding:16px;display:flex;align-items:center;gap:14px}
.ring{--p:70;width:54px;height:54px;border-radius:50%;flex:none;display:grid;place-items:center;
  background:conic-gradient(var(--gold) calc(var(--p)*1%),var(--sand) 0)}
.ring span{width:42px;height:42px;border-radius:50%;background:var(--paper);display:grid;place-items:center;font-weight:700;font-size:13px}
.chev{margin-left:auto;color:var(--mute)}
.upcoming{margin:14px 20px 0;padding:14px 16px;display:flex;gap:12px;align-items:center}
.date-pill{width:52px;flex:none;text-align:center;border-radius:12px;background:var(--sage-l);color:var(--sage-d);padding:6px 0;line-height:1.2}
.date-pill b{display:block;font-size:19px}
.date-pill small{font-size:11px}
.list{display:grid;gap:10px}
.opt{display:flex;gap:14px;align-items:center;padding:14px;border-radius:16px;background:var(--paper);border:1.5px solid var(--line);text-align:left;width:100%;transition:border-color .2s,background .2s,transform .12s}
.opt:active{transform:scale(.99)}
.opt.sel{border-color:var(--sage);background:#F7FAF7;box-shadow:0 0 0 4px rgba(111,143,122,.12)}
.opt .ico{width:46px;height:46px;border-radius:14px;flex:none;display:grid;place-items:center;font-size:22px;background:var(--sand)}
.opt .meta{flex:1;min-width:0}
.opt .meta b{display:block;font-weight:600}
.opt .meta small{color:var(--ink2);font-size:12.5px}
.price{font-weight:600;white-space:nowrap}
.tag{display:inline-block;font-size:11px;padding:1px 8px;border-radius:999px;background:var(--sage-l);color:var(--sage-d);margin-right:4px}
.th-av{width:46px;height:46px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:600;color:#fff;font-size:16px}
.stepper{display:flex;gap:6px;padding:4px 20px 0}
.stepper i{flex:1;height:4px;border-radius:4px;background:var(--line);transition:background .3s}
.stepper i.on{background:var(--sage)}
.backrow{display:flex;align-items:center;gap:8px;padding:16px 20px 0}
.backrow button{width:36px;height:36px;border-radius:12px;background:var(--paper);border:1px solid var(--line);display:grid;place-items:center}
.backrow small{color:var(--mute)}
.days{display:flex;gap:8px;overflow-x:auto;padding:4px 20px 10px;scrollbar-width:none}
.days::-webkit-scrollbar{display:none}
.day{flex:none;width:58px;padding:8px 0;border-radius:14px;background:var(--paper);border:1.5px solid var(--line);text-align:center;line-height:1.25}
.day small{display:block;font-size:11px;color:var(--mute)}
.day b{font-size:18px}
.day.sel{background:var(--ink);border-color:var(--ink);color:#fff}
.day.sel small{color:#C9CFCB}
.slots{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.slot{height:42px;border-radius:12px;background:var(--paper);border:1.5px solid var(--line);font-weight:500;font-variant-numeric:tabular-nums;transition:.15s}
.slot.sel{background:var(--sage);border-color:var(--sage);color:#fff}
.slot.taken{color:#C2C7C3;background:repeating-linear-gradient(135deg,#F3EFE8 0 6px,#EEE9E0 6px 12px);text-decoration:line-through;pointer-events:none}
.period{font-size:12px;color:var(--mute);margin:14px 0 8px}
.empty{padding:28px 16px;text-align:center;color:var(--ink2);font-size:13.5px}
.sticky-cta{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:12px 20px calc(12px + env(safe-area-inset-bottom));
  background:linear-gradient(180deg,rgba(245,241,234,0),var(--bg) 30%)}
.sticky-cta .inner{max-width:400px;margin:0 auto}
.summary{padding:18px}
.summary .row{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px}
.summary .row:last-child{border:0}
.summary .row span{color:var(--ink2)}
.field{display:grid;gap:6px;margin-top:12px}
.field label{font-size:12.5px;color:var(--ink2)}
.field input,.field select{height:46px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);padding:0 14px;outline:none}
.field input:focus,.field select:focus{border-color:var(--sage)}
.success{text-align:center;padding:40px 24px 0}
.check{width:76px;height:76px;margin:0 auto 18px;border-radius:50%;background:var(--sage-l);display:grid;place-items:center;animation:pop .5s cubic-bezier(.2,1.4,.4,1)}
.check svg{width:36px;height:36px;color:var(--sage-d)}
@keyframes pop{from{transform:scale(.4);opacity:0}to{transform:none;opacity:1}}
.line-msg{margin:22px auto 0;max-width:320px;text-align:left;background:#fff;border-radius:16px 16px 16px 4px;padding:12px 14px;font-size:13px;border:1px solid var(--line)}
.line-msg small{display:block;color:#06C755;font-weight:600;margin-bottom:4px}

/* reward card */
.reward{margin:6px 20px 0;padding:22px;border-radius:24px;color:#F8F3EA;position:relative;overflow:hidden;
  background:radial-gradient(90% 70% at 0% 0%,rgba(201,164,106,.35),transparent 60%),linear-gradient(150deg,#33423A,#1F2925)}
.reward::before{content:"";position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cpath d='M60 10c8 18 8 32 0 50-8-18-8-32 0-50z' fill='none' stroke='%23ffffff' stroke-opacity='.05'/%3E%3C/svg%3E")}
.reward .top{display:flex;justify-content:space-between;align-items:flex-start;position:relative}
.reward .tier{font-size:11px;letter-spacing:1.5px;text-transform:uppercase;color:var(--gold)}
.reward .name{font-family:var(--serif);font-size:19px;margin-top:2px}
.reward .count{font-size:34px;font-weight:700;line-height:1;text-align:right}
.reward .count small{font-size:15px;opacity:.6;font-weight:500}
.stamps{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-top:22px;position:relative}
.stamp{aspect-ratio:1;border-radius:50%;border:1.5px dashed rgba(248,243,234,.28);display:grid;place-items:center;font-size:12px;color:rgba(248,243,234,.35)}
.stamp.on{border:0;background:radial-gradient(circle at 35% 30%,#E2C48F,#B98E4F);color:#2A2A22;box-shadow:inset 0 -2px 0 rgba(0,0,0,.15),0 4px 10px -4px rgba(0,0,0,.5)}
.stamp.on svg{width:55%;height:55%}
.stamp.gift{border-color:rgba(201,164,106,.7);color:var(--gold)}
.stamp.new{animation:pop .6s cubic-bezier(.2,1.4,.4,1)}
.bar{height:6px;border-radius:6px;background:rgba(255,255,255,.12);margin-top:20px;overflow:hidden;position:relative}
.bar i{display:block;height:100%;background:linear-gradient(90deg,#B98E4F,#E2C48F);border-radius:6px;transition:width .6s}
.reward .hint{font-size:12.5px;opacity:.75;margin-top:8px;position:relative}
.coupon{display:flex;align-items:stretch;background:var(--paper);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
.coupon .l{width:92px;flex:none;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:var(--sage-l);color:var(--sage-d);font-weight:700;font-size:20px;line-height:1.1;position:relative;padding:10px}
.coupon .l small{display:block;font-size:11px;font-weight:500}
.coupon .l::after{content:"";position:absolute;right:-1px;top:8px;bottom:8px;border-right:2px dashed var(--line)}
.coupon .r{padding:12px 14px;flex:1;min-width:0}
.coupon .r b{display:block;font-size:14px}
.coupon .r small{color:var(--ink2);font-size:12px}
.coupon code{display:inline-block;margin-top:6px;font-size:12px;background:var(--sand);padding:2px 8px;border-radius:6px;letter-spacing:.5px}
.coupon.used{opacity:.5}
.tabbar{position:fixed;left:50%;transform:translateX(-50%);bottom:12px;z-index:31;width:min(400px,calc(100% - 32px));display:flex;justify-content:space-around;
  background:rgba(255,253,249,.92);backdrop-filter:blur(12px);border:1px solid var(--line);border-radius:20px;padding:6px;box-shadow:0 12px 30px -12px rgba(39,50,44,.3)}
.tabbar button{flex:1;display:grid;justify-items:center;gap:2px;padding:6px 0;border-radius:14px;font-size:11.5px;color:var(--mute)}
.tabbar button svg{width:22px;height:22px}
.tabbar button.on{color:var(--ink);background:var(--sand)}

/* sheet */
.sheet-bg{position:fixed;inset:0;z-index:50;background:rgba(30,38,34,.38);backdrop-filter:blur(2px);animation:fade .2s}
.sheet{position:fixed;left:50%;bottom:0;transform:translateX(-50%);z-index:51;width:min(520px,100%);max-height:88vh;overflow:auto;background:var(--paper);
  border-radius:24px 24px 0 0;padding:10px 20px calc(20px + env(safe-area-inset-bottom));animation:up .28s cubic-bezier(.2,.9,.3,1)}
.sheet .grab{width:40px;height:4px;border-radius:4px;background:var(--line);margin:4px auto 14px}
@media(min-width:760px){.sheet{bottom:auto;top:50%;transform:translate(-50%,-50%);border-radius:24px;animation:fade .2s}.sheet .grab{display:none}}
@keyframes up{from{transform:translate(-50%,100%)}}
@keyframes fade{from{opacity:0}}
#toast{position:fixed;left:50%;top:56px;transform:translateX(-50%) translateY(-20px);z-index:60;background:var(--ink);color:#F5F1EA;padding:10px 16px;border-radius:12px;font-size:13.5px;opacity:0;pointer-events:none;transition:.3s;max-width:90vw}
#toast.show{opacity:1;transform:translateX(-50%)}

/* ---------- merchant ---------- */
.shop{max-width:1280px;margin:0 auto;padding:18px 18px 40px}
.shop-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px}
.shop-head .brand{display:flex;gap:12px;align-items:center}
.shop-head .grow{flex:1}
.datenav{display:flex;align-items:center;gap:4px;background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:4px}
.datenav button{height:36px;min-width:36px;padding:0 10px;border-radius:10px;font-size:13.5px}
.datenav button:hover{background:var(--sand)}
.datenav .cur{font-weight:600;min-width:150px}
.btn-walkin{background:var(--clay);color:#fff;height:44px;box-shadow:0 8px 20px -10px rgba(196,135,106,.9)}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:16px}
.stat{padding:14px 16px}
.stat small{color:var(--ink2);font-size:12.5px}
.stat b{display:block;font-size:24px;font-weight:600;margin-top:2px;font-variant-numeric:tabular-nums}
.stat em{font-style:normal;font-size:12px;color:var(--sage-d)}
.legend{display:flex;flex-wrap:wrap;gap:8px 16px;margin:16px 2px 10px;font-size:12.5px;color:var(--ink2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block}
.legend .walk{width:16px;height:10px;background:repeating-linear-gradient(135deg,#999 0 2px,transparent 2px 5px);opacity:.6}
.tl-wrap{overflow:auto;-webkit-overflow-scrolling:touch;padding:0}
.tl{--hour:120px;position:relative;min-width:calc(150px + var(--hour)*11)}
.tl-head{display:flex;position:sticky;top:0;z-index:3;background:var(--paper);border-bottom:1px solid var(--line)}
.tl-corner{width:150px;flex:none;position:sticky;left:0;background:var(--paper);z-index:4;padding:10px 14px;font-size:12px;color:var(--mute)}
.tl-hours{display:flex;flex:1}
.tl-hours div{flex:1;min-width:0;padding:10px 0 10px 6px;font-size:12px;color:var(--mute);border-left:1px solid var(--line);font-variant-numeric:tabular-nums}
.tl-row{display:flex;border-bottom:1px solid var(--line);min-height:76px}
.tl-row:last-child{border-bottom:0}
.tl-name{width:150px;flex:none;position:sticky;left:0;z-index:2;background:var(--paper);display:flex;align-items:center;gap:10px;padding:10px 12px;border-right:1px solid var(--line)}
.tl-name .th-av{width:36px;height:36px;font-size:14px}
.tl-name b{display:block;font-size:13.5px;font-weight:600}
.tl-name small{font-size:11.5px;color:var(--mute)}
.tl-lane{position:relative;flex:1;cursor:copy;
  background-image:linear-gradient(90deg,var(--line) 1px,transparent 1px),linear-gradient(90deg,#F4F0E9 1px,transparent 1px);
  background-size:calc(100%/11) 100%,calc(100%/22) 100%}
.tl-lane:hover{background-color:#FCFAF6}
.ev{position:absolute;top:9px;bottom:9px;border-radius:12px;padding:7px 10px;overflow:hidden;cursor:pointer;color:#1F2A24;
  border-left:4px solid var(--c);background:color-mix(in srgb,var(--c) 26%,#fff);transition:transform .12s,box-shadow .2s}
.ev:hover{transform:translateY(-1px);box-shadow:0 6px 16px -8px rgba(0,0,0,.35);z-index:2}
.ev b{display:block;font-size:12.5px;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev small{display:block;font-size:11px;color:#4A564F;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ev.walkin{background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--c) 30%,#fff) 0 8px,color-mix(in srgb,var(--c) 20%,#fff) 8px 16px)}
.ev.done{opacity:.55}
.ev.fresh{animation:flash 1.6s ease}
@keyframes flash{0%,40%{box-shadow:0 0 0 4px color-mix(in srgb,var(--c) 60%,transparent)}100%{box-shadow:none}}
.ev .src{position:absolute;right:6px;top:6px;font-size:10px;padding:0 6px;border-radius:6px;background:rgba(255,255,255,.75)}
.now{position:absolute;top:0;bottom:0;width:2px;background:var(--clay);z-index:3;pointer-events:none}
.now::before{content:attr(data-t);position:absolute;top:-1px;left:50%;transform:translateX(-50%);background:var(--clay);color:#fff;font-size:10.5px;padding:1px 6px;border-radius:6px;white-space:nowrap}
.closed{position:absolute;top:0;bottom:0;background:repeating-linear-gradient(135deg,rgba(0,0,0,.03) 0 6px,transparent 6px 12px);pointer-events:none}
.foot-note{margin-top:14px;font-size:12.5px;color:var(--mute);display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:space-between}
.foot-note button{text-decoration:underline;color:var(--ink2)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{height:38px;padding:0 14px;border-radius:12px;border:1.5px solid var(--line);background:var(--paper);font-size:13.5px;display:inline-flex;align-items:center;gap:8px}
.chip.sel{border-color:var(--ink);background:var(--ink);color:#fff}
.chip i{width:9px;height:9px;border-radius:50%}
.slots.compact{grid-template-columns:repeat(auto-fill,minmax(64px,1fr))}
@media(max-width:820px){.stats{grid-template-columns:repeat(2,1fr)}.tl{--hour:96px}.tl-corner,.tl-name{width:118px}.tl-name small{display:none}}
@media(max-width:520px){.shop{padding:14px 12px 30px}.datenav .cur{min-width:0}.shop-head .grow{display:none}.btn-walkin{width:100%}.tl{--hour:104px}.tl-corner,.tl-name{width:96px}.tl-name .th-av{display:none}}