:root{
  --ink:#14213D;        /* text */
  --navy:#0F2D6B;       /* college navy: primary actions, selected */
  --paper:#F3F5F8;      /* page */
  --card:#FFFFFF;
  --line:#DCE1E9;
  --muted:#5B667A;
  --tape:#F5C518;       /* tailor's tape yellow, used only on the size tape */
  --mark:#C8102E;       /* the tape's red reading line */
  --ok:#237A4B;
  --err:#B42318;
  --display:'Chonburi',serif;
  --body:'Noto Sans Thai Looped','Noto Sans Thai',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:400 16px/1.6 var(--body);-webkit-font-smoothing:antialiased}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed}
img{display:block;max-width:100%}
:focus-visible{outline:3px solid #2F6FE4;outline-offset:2px}
h1,h2,h3,p{margin:0}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.app{min-height:100vh;min-height:100dvh;display:flex;flex-direction:column}
.wrap{width:100%;max-width:640px;margin:0 auto;padding:0 16px}
.wrap.wide{max-width:880px}

/* Header */
.top{position:sticky;top:0;z-index:40;background:var(--navy);color:#fff}
.top-in{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;padding-top:8px;padding-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;min-width:0}
.brand img{width:40px;height:40px;border-radius:50%;background:#fff;flex:none;object-fit:cover}
.brand b{display:block;font-weight:600;font-size:15px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand small{display:block;font-size:12px;line-height:1.35;opacity:.8}
.top-link{flex:none;height:38px;padding:0 14px;border:1px solid rgba(255,255,255,.35);border-radius:8px;background:transparent;color:#fff;font-size:15px;font-weight:600}
.top-link:hover{background:rgba(255,255,255,.1)}

/* Intro */
.intro{display:grid;grid-template-columns:auto 1fr;gap:4px 16px;align-items:center;padding-top:20px;padding-bottom:20px}
.intro-logo{grid-row:span 2;width:104px;mix-blend-mode:multiply}
.intro h1{font:400 clamp(26px,7vw,36px)/1.25 var(--display);color:var(--navy)}
.intro p{font-size:15px;color:var(--muted);line-height:1.55}
.intro .count{grid-column:1/-1;margin-top:10px;padding-top:12px;border-top:1px solid var(--line);font-size:15px;color:var(--ink)}
.count b{font-size:17px}

/* Form blocks */
.form{display:flex;flex-direction:column;gap:12px;padding-bottom:24px}
.block{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.block-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.block h2{font-size:17px;font-weight:700;line-height:1.3}
.req{color:var(--err);font-weight:400}
.hint{font-size:14px;color:var(--muted)}
.notice{border-radius:10px;padding:12px 14px;font-size:15px;line-height:1.55}
.notice.info{background:#EAF0FA;color:var(--navy);margin-top:12px}
.notice.closed{background:var(--navy);color:#fff}
.notice.sample{background:#FFF7D6;color:#5C4600}

.text-btn{border:0;background:none;padding:6px 0;color:var(--navy);font-size:15px;font-weight:600;text-decoration:underline;text-underline-offset:3px}

.field{width:100%;height:50px;border:1px solid #C5CDDA;border-radius:10px;background:#fff;padding:0 14px;font-size:17px;outline:none}
.field:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(15,45,107,.15)}
textarea.field{height:auto;min-height:76px;padding:12px 14px;resize:vertical;line-height:1.5}
.field-label{display:block;font-size:15px;font-weight:600;margin:12px 0 6px}
.field-label span{font-weight:400;color:var(--muted)}
.field-label .req{color:var(--err)}

/* Name search */
.search{position:relative}
.search .field{padding-left:42px}
.search-icon{position:absolute;left:14px;top:15px;width:16px;height:16px;border:2px solid #8792A6;border-radius:50%;pointer-events:none}
.search-icon::after{content:'';position:absolute;left:12px;top:13px;width:7px;height:2px;background:#8792A6;transform:rotate(45deg);border-radius:2px}
.list{position:absolute;top:calc(100% + 4px);left:0;right:0;z-index:30;max-height:min(360px,50vh);overflow:auto;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:0 18px 40px -16px rgba(20,33,61,.35);padding:4px 0}
.list-group{padding:10px 14px 2px;font-size:13px;font-weight:600;color:var(--muted)}
.list-item{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:46px;padding:8px 14px;font-size:16px;cursor:pointer}
.list-item:hover,.list-item.active{background:#EEF2F8}
.list-item.new-name span small{display:block;font-size:12px;color:var(--muted)}
.list-item.new-name{color:var(--navy);font-weight:600}
.voted-tag{flex:none;font-size:12px;font-weight:600;color:var(--ok)}
.list-empty{padding:14px;font-size:15px;color:var(--muted)}
.person{display:flex;align-items:center;gap:12px;padding:10px 10px 10px 14px;border:1.5px solid var(--navy);border-radius:10px;background:#F5F8FD}
.person div{flex:1;min-width:0;line-height:1.4}
.person b{display:block;font-size:17px}
.person small{display:block;font-size:14px;color:var(--muted)}

/* Segmented control */
.seg{display:inline-flex;padding:3px;border-radius:10px;background:#E6EAF1}
.seg button{border:0;background:transparent;height:38px;padding:0 14px;border-radius:8px;font-size:15px;font-weight:600;color:var(--muted)}
.seg button[aria-pressed="true"]{background:#fff;color:var(--navy);box-shadow:0 1px 3px rgba(20,33,61,.18)}
.seg button{white-space:nowrap}
.block-head .seg{flex:none}
.block-head .seg button{padding:0 10px}
.seg.full{display:flex}
.seg.full button{flex:1;height:44px;font-size:16px}

/* Shirt choice */
.shirts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.shirt{display:flex;flex-direction:column;gap:2px}
.shirt-pick{flex:1;position:relative;display:flex;flex-direction:column;align-items:stretch;text-align:left;padding:0 0 10px;border:2px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}
.shirt-pick img{width:100%;aspect-ratio:1/1;object-fit:contain;padding:6px;background:#F0F3F8;mix-blend-mode:multiply}
.shirt-name{padding:8px 10px 0;font-size:16px;font-weight:700}
.shirt-tone{padding:0 10px;font-size:13px;line-height:1.4;color:var(--muted)}
.shirt-pick[aria-pressed="true"]{border-color:var(--navy);box-shadow:0 0 0 2px var(--navy)}
.tick{position:absolute;top:8px;left:8px;display:flex;align-items:center;gap:6px;padding:3px 10px 3px 6px;border-radius:99px;background:var(--navy);color:#fff;font-size:13px;font-weight:600}
.tick::before{content:'';width:10px;height:5px;margin:-3px 0 0 2px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg)}
.shirt .text-btn{align-self:flex-start;font-size:14px}

/* Size tape */
.tape{margin-top:16px;padding:0 4px;user-select:none}
.tape-marks{position:relative;height:52px}
.size-mark{position:absolute;bottom:8px;width:36px;height:40px;margin-left:-18px;border:1.5px solid #C5CDDA;border-radius:8px;background:#fff;font:600 13px/1 var(--mono);color:var(--ink);padding:0;letter-spacing:-.02em}
.size-mark[aria-pressed="true"]{background:var(--navy);border-color:var(--navy);color:#fff}
.size-mark[aria-pressed="true"]::after{content:'';position:absolute;left:50%;bottom:-8px;margin-left:-6px;border:6px solid transparent;border-top-color:var(--navy);border-bottom:0}
.tape-strip{position:relative;height:46px;border-radius:3px;background:var(--tape);box-shadow:inset 0 -2px 0 rgba(0,0,0,.12)}
.tape-strip::before,.tape-strip::after{content:'';position:absolute;left:0;right:0;top:0;pointer-events:none}
.tape-strip::before{height:16px;background:repeating-linear-gradient(90deg,rgba(40,30,0,.7) 0 1px,transparent 1px 6.25%)}
.tape-strip::after{height:9px;background:repeating-linear-gradient(90deg,transparent 0 3.125%,rgba(40,30,0,.45) 3.125% calc(3.125% + 1px),transparent calc(3.125% + 1px) 6.25%)}
.tape-num{position:absolute;bottom:5px;transform:translateX(-50%);font:500 12px/1 var(--mono);color:#3A2E00}
.tape-read{position:absolute;top:0;height:24px;width:2px;margin-left:-1px;background:var(--mark);pointer-events:none}
.tape-num.on{color:var(--mark);font-weight:600}
.tape.off .tape-marks,.tape.off .tape-strip{opacity:.4}
.reading{margin-top:10px;font-size:15px;color:var(--muted);min-height:24px}
.reading b{color:var(--ink)}

.qty-row{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}
.qty-label{min-width:0;line-height:1.4}
.qty-label span{display:block;font-size:16px;font-weight:600}
.qty-label small{display:block;font-size:13px;color:var(--muted)}
.extra{display:flex;flex-direction:column;gap:8px;margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:10px;background:#FAFBFC}
.extra-head{display:flex;align-items:center;gap:8px}
.extra-head b{font-size:16px}
.extra-head .remove{margin-left:auto;color:var(--err);padding:4px 0}
.paid-tag{font-size:12px;font-weight:600;padding:1px 8px;border-radius:99px;background:#FFF7D6;color:#5C4600}
.extra .seg.full button{height:40px;font-size:15px}
.add-extra{width:100%;margin-top:12px}
.people .what small.more{color:var(--navy);font-weight:600}
.sheet dd{word-break:break-word}
.paid-note{margin-top:8px;padding:8px 12px;border-radius:8px;background:#FFF7D6;color:#5C4600;font-size:14px}
.stepper{display:flex;align-items:center;border:1px solid #C5CDDA;border-radius:10px;overflow:hidden}
.stepper button{width:46px;height:44px;border:0;background:#fff;font-size:22px;line-height:1;color:var(--navy)}
.stepper button:disabled{color:#B8C0CD}
.stepper span{min-width:40px;text-align:center;font:600 17px/1 var(--mono)}

/* Bottom bar */
.bar{position:sticky;bottom:0;z-index:35;margin-top:auto;background:#fff;border-top:1px solid var(--line);box-shadow:0 -8px 24px -18px rgba(20,33,61,.4)}
.bar-in{display:flex;align-items:center;gap:12px;padding-top:10px;padding-bottom:calc(10px + env(safe-area-inset-bottom))}
.bar-text{flex:1;min-width:0;line-height:1.35}
.bar-text b{display:block;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bar-text small{display:block;font-size:13px;color:var(--muted)}
.bar-text small.ok{color:var(--ok)}
.bar-text small.err{color:var(--err)}

.btn{height:48px;padding:0 20px;border-radius:10px;font-size:16px;font-weight:700;border:1.5px solid transparent;white-space:nowrap}
.btn-primary{background:var(--navy);color:#fff}
.btn-primary:hover:not(:disabled){background:#0B2457}
.btn-primary:disabled{background:#DDE2EA;color:#7D879A}
.btn-danger{background:var(--err);color:#fff}
.btn-danger:hover:not(:disabled){background:#912018}
.admin-msg{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:0}
.admin-msg .text-btn{padding:0;flex:none}
.btn-ghost{background:#fff;color:var(--navy);border-color:#C5CDDA}

/* Footer */
.foot{border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
.foot .wrap{padding-top:16px;padding-bottom:16px}

/* Done sheet */
.backdrop{position:fixed;inset:0;z-index:90;background:rgba(10,18,38,.55);display:flex;align-items:flex-end;justify-content:center}
.sheet{width:100%;max-width:480px;background:#fff;border-radius:16px 16px 0 0;padding:24px 20px calc(20px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:14px;animation:rise .22s ease-out}
.sheet h2{font:400 26px/1.3 var(--display);color:var(--navy)}
.sheet p{color:var(--muted)}
.sheet dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0;padding:14px;border-radius:10px;background:var(--paper)}
.sheet dt{color:var(--muted)}
.sheet dd{margin:0;font-weight:700}
.sheet-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@keyframes rise{from{transform:translateY(24px);opacity:0}to{transform:none;opacity:1}}
@media (min-width:600px){.backdrop{align-items:center;padding:20px}.sheet{border-radius:16px}}

/* Lightbox */
.lb{position:fixed;inset:0;z-index:100;background:#0B1226;color:#fff;display:flex;flex-direction:column}
.lb-top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 12px 10px 16px}
.lb-top b{font-size:17px}
.lb-close{height:40px;padding:0 16px;border:0;border-radius:8px;background:#fff;color:var(--navy);font-weight:700}
.lb-img{flex:1;min-height:0;display:flex;align-items:center;justify-content:center;padding:0 8px;overflow:auto}
.lb-img img{max-width:min(1400px,100%);max-height:100%;object-fit:contain;border-radius:6px;background:#fff}
.lb-bottom{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px;padding:12px 12px calc(12px + env(safe-area-inset-bottom))}
.lb .seg{background:rgba(255,255,255,.12)}
.lb .seg button{color:rgba(255,255,255,.8)}
.lb .seg button[aria-pressed="true"]{background:#fff;color:var(--navy)}
.lb-other{height:44px;padding:0 14px;border:1px solid rgba(255,255,255,.35);border-radius:10px;background:transparent;color:#fff;font-weight:600}

/* Results */
.results{display:flex;flex-direction:column;gap:12px;padding-top:20px;padding-bottom:32px}
.page-title{font:400 clamp(26px,7vw,34px)/1.25 var(--display);color:var(--navy)}
.results > .count{font-size:15px;margin-top:-4px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px}
.panel h2{font-size:17px;font-weight:700;line-height:1.3}
.panel .hint{margin-top:2px}
.tally{display:grid;gap:12px}
.tally-row{display:grid;grid-template-columns:84px 1fr;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.tally-row.lead{border:2px solid var(--navy);padding:11px}
.tally-row img{width:84px;height:84px;object-fit:contain;background:#F0F3F8;border-radius:8px;mix-blend-mode:multiply}
.tally-name{display:flex;align-items:center;gap:8px;font-weight:700}
.lead-tag{font-size:12px;font-weight:600;padding:2px 8px;border-radius:99px;background:var(--navy);color:#fff}
.tally-num{display:flex;align-items:baseline;gap:8px;color:var(--muted);font-size:14px}
.tally-num b{font:400 34px/1.15 var(--display);color:var(--ink)}
.meter{height:8px;border-radius:99px;background:#E6EAF1;overflow:hidden;margin-top:4px}
.meter i{display:block;height:100%;border-radius:99px;background:#8A9BBD;transition:width .4s}
.lead .meter i{background:var(--navy)}
@media (min-width:640px){.tally{grid-template-columns:1fr 1fr}}

.sizes{width:100%;border-collapse:collapse;margin-top:10px;font-variant-numeric:tabular-nums}
.sizes th,.sizes td{padding:9px 6px;text-align:right;border-bottom:1px solid var(--line)}
.sizes th:first-child,.sizes td:first-child{text-align:left}
.sizes thead th{font-size:14px;color:var(--muted);font-weight:600;border-bottom:1.5px solid var(--ink)}
.sizes td:first-child{font-family:var(--mono);font-weight:600}
.sizes td.zero{color:#B0B8C6}
.sizes tfoot td{font-weight:700;border-bottom:0;border-top:1.5px solid var(--ink)}
.sizes tfoot td:first-child{font-family:var(--body)}

.depts{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:0 24px}
@media (min-width:640px){.depts{grid-template-columns:1fr 1fr}}
.depts li{padding:9px 0;border-bottom:1px solid var(--line)}
.depts .row{display:flex;justify-content:space-between;gap:12px;font-size:15px}
.depts .row b{flex:none;font-family:var(--mono);font-weight:600;font-size:14px}
.depts .full b{color:var(--ok)}
.depts .meter{height:4px}
.depts .full .meter i{background:var(--ok)}

.tools{display:flex;flex-direction:column;gap:10px;margin-bottom:6px}
.tools .field{height:44px;font-size:16px}
.tools-row{display:flex;gap:10px}
.tools-row .seg{flex:1}
@media (min-width:640px){.tools{flex-direction:row;align-items:center}.tools .field{max-width:260px}}
.people{list-style:none;margin:0;padding:0}
.people li{display:flex;justify-content:space-between;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--line)}
.people .who{min-width:0;line-height:1.4}
.people .who b{display:block;font-size:15px}
.people .who small{display:block;font-size:13px;color:var(--muted)}
.people .what{flex:none;text-align:right;line-height:1.4;font-size:14px}
.people .what small{display:block;font-size:12px;color:var(--muted)}
.empty{padding:20px 0;text-align:center;color:var(--muted)}
.sheet.lock h2{font-size:22px}
.unlock{display:flex;gap:8px;margin-top:10px}
.unlock .field{flex:1;min-width:0;height:46px}
.unlock .btn{height:46px;padding:0 14px}
.notice .lock-err{margin-top:8px}
.field[readonly]{background:#F0F3F8;color:var(--muted)}
.switch-row{display:flex;align-items:center;justify-content:space-between;gap:16px}
.switch-row div{min-width:0;line-height:1.4}
.switch-row b{display:block;font-size:16px}
.switch-row small{display:block;font-size:13px;color:var(--muted)}
.switch{flex:none;position:relative;width:52px;height:30px;padding:0;border:0;border-radius:99px;background:#C5CDDA;transition:background .15s}
.switch span{position:absolute;top:3px;left:3px;width:24px;height:24px;border-radius:50%;background:#fff;box-shadow:0 1px 3px rgba(20,33,61,.3);transition:transform .15s}
.switch[aria-checked="true"]{background:var(--ok)}
.switch[aria-checked="true"] span{transform:translateX(22px)}
.lock-err{margin-top:-6px;color:var(--err);font-size:14px}
.admin-foot{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:6px}
.danger{border:0;background:none;padding:8px 0;color:var(--err);font-size:14px;text-decoration:underline;text-underline-offset:3px}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}