/* คิดยอด — mobile-first design system.
   One column with 16px gutters, 44px+ tap targets; widens to 720px on large screens. */
:root{
  --bg:#eef3f2;--card:#ffffff;--ink:#10201d;--muted:#62726d;--line:#e2eae7;--field:#f5f8f7;
  --brand:#0d7a6f;--brand-2:#14a593;--brand-ink:#ffffff;--brand-soft:#e3f4f1;
  --accent:#f5a524;--neg:#d9480f;--ok:#138a4f;--warn:#b45309;
  --s1:#2a78d6;--s2:#eb6834;
  --shadow:0 1px 2px rgba(16,32,29,.05),0 6px 20px rgba(16,32,29,.06);
  --shadow-lg:0 10px 30px rgba(13,122,111,.25);
  --r:18px;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0b1211;--card:#141d1b;--ink:#e9f0ee;--muted:#9aaba6;--line:#24302d;--field:#1b2624;
  --brand:#19b3a0;--brand-2:#0f8a7c;--brand-ink:#ffffff;--brand-soft:#15302c;
  --neg:#ff8a5c;--ok:#4ade80;--warn:#fbbf24;--s1:#3987e5;--s2:#d95926;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 6px 20px rgba(0,0,0,.25);--shadow-lg:0 10px 30px rgba(0,0,0,.4);
  color-scheme:dark}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;color:var(--ink);font:16px/1.5 "Prompt",system-ui,-apple-system,"Segoe UI","Noto Sans Thai",Tahoma,sans-serif;
  background:radial-gradient(1200px 380px at 50% -160px,color-mix(in srgb,var(--brand-2) 22%,transparent),transparent),var(--bg);background-attachment:fixed}
a{color:var(--brand)}
h1{font-size:23px;font-weight:700;margin:6px 0 14px;letter-spacing:-.2px}
h2{font-size:17px;font-weight:600;margin:2px 0 12px}
small,.small{font-size:13px}
.muted{color:var(--muted)}
.neg{color:var(--neg)}.warn{color:var(--warn)}.r{text-align:right}
main{max-width:720px;margin:0 auto;padding:16px 16px calc(100px + env(safe-area-inset-bottom))}

/* ---------- app bar & side menu ---------- */
.appbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:6px;padding:8px 12px;padding-top:max(8px,env(safe-area-inset-top));
  background:linear-gradient(120deg,#0a5a54,#0d7a6f 45%,#14a593);color:#fff;box-shadow:0 4px 18px rgba(10,90,84,.25)}
.icon-btn{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:12px;border:0;background:transparent;color:inherit;cursor:pointer;flex:none;padding:0;min-height:0}
.icon-btn:hover,.icon-btn:focus-visible{background:rgba(255,255,255,.16)}
.icon-btn svg{width:24px;height:24px}
.brand{flex:1;display:inline-flex;align-items:center;gap:9px;color:#fff;text-decoration:none;font-weight:700;font-size:19px;min-width:0}
.brand img{border-radius:9px;box-shadow:0 0 0 2px rgba(255,255,255,.35)}
.avatar{width:36px;height:36px;border-radius:50%;display:inline-grid;place-items:center;background:rgba(255,255,255,.22);font-weight:600;flex:none}
.avatar.lg{width:48px;height:48px;font-size:20px}
.drawer{position:fixed;inset:0;z-index:50}
.drawer[hidden]{display:none}
.scrim{position:absolute;inset:0;background:rgba(5,20,18,.45);opacity:0;transition:opacity .2s}
.panel{position:absolute;inset:0 auto 0 0;width:min(84vw,320px);background:var(--card);box-shadow:8px 0 30px rgba(0,0,0,.2);
  transform:translateX(-100%);transition:transform .22s ease;display:flex;flex-direction:column;padding-bottom:env(safe-area-inset-bottom);overflow-y:auto}
.drawer.open .scrim{opacity:1}.drawer.open .panel{transform:none}
.who{display:flex;align-items:center;gap:12px;padding:calc(20px + env(safe-area-inset-top)) 18px 20px;color:#fff;margin-bottom:8px;
  background:linear-gradient(135deg,#0a5a54,#14a593)}
.who strong{display:block;font-size:17px}.who small{opacity:.85}
.panel>a,.panel .logout button{display:flex;align-items:center;justify-content:flex-start;gap:14px;margin:2px 10px;padding:12px 14px;border-radius:12px;color:var(--ink);text-decoration:none;font:inherit;font-size:16px;min-height:48px}
.panel svg{width:22px;height:22px;color:var(--muted);flex:none}
.panel>a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}.panel>a.on svg{color:var(--brand)}
.panel>a:hover{background:var(--field)}
.logout{margin-top:auto;border-top:1px solid var(--line);padding-top:6px}
.logout button{width:calc(100% - 20px);background:none;border:0;cursor:pointer;color:var(--neg)}.logout svg{color:var(--neg)}

/* ---------- surfaces ---------- */
.card{display:block;background:var(--card);border-radius:var(--r);padding:16px;margin:0 0 14px;color:inherit;text-decoration:none;box-shadow:var(--shadow);border:1px solid color-mix(in srgb,var(--line) 60%,transparent)}
a.card{transition:transform .12s ease,box-shadow .12s ease}
a.card:active{transform:scale(.985)}
.narrow{max-width:420px;margin:28px auto}
.hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0a5a54,#0d7a6f 50%,#14a593);color:#fff;border:0;box-shadow:var(--shadow-lg)}
.hero::after{content:"";position:absolute;right:-50px;top:-60px;width:190px;height:190px;border-radius:50%;background:rgba(255,255,255,.08);pointer-events:none}
.hero .muted,.hero small{color:rgba(255,255,255,.82)}
.hero .stat{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin:6px 0 14px}
.hero .stat strong{font-size:30px}
.hero .primary{background:#fff;color:#0b5f59;box-shadow:none}
.hero h1{margin:2px 0 4px}
.flash{background:#fff7e0;color:#6b4300;border:1px solid #f6dfa0;border-radius:14px;padding:11px 14px;margin:0 0 14px}

/* ---------- forms ---------- */
label{display:block;margin:0 0 12px;font-size:14px;color:var(--muted)}
input,select,textarea{display:block;width:100%;min-width:0;margin-top:5px;padding:11px 13px;font:inherit;color:var(--ink);background:var(--field);
  border:1.5px solid transparent;border-radius:12px;min-height:46px;transition:border-color .12s,background .12s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);background:var(--card);box-shadow:0 0 0 4px color-mix(in srgb,var(--brand) 15%,transparent)}
input::placeholder{color:color-mix(in srgb,var(--muted) 75%,transparent)}
input[type=file]{padding:10px;background:var(--field)}
button,.primary,.ghost{font:inherit;font-weight:500;cursor:pointer;border-radius:12px;min-height:46px;padding:10px 18px;border:1.5px solid transparent;
  text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;transition:transform .08s,filter .12s}
.primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:var(--brand-ink);box-shadow:0 6px 16px color-mix(in srgb,var(--brand) 30%,transparent)}
.primary:active,.ghost:active{transform:scale(.98)}
.ghost{background:var(--card);border-color:var(--line);color:var(--ink)}
.block{display:flex;width:100%}
.link{background:none;border:0;padding:0;min-height:auto;color:var(--brand);text-decoration:underline;box-shadow:none}
.danger{color:var(--neg)}
button:disabled{opacity:.5}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:0 10px}.grid2>*{min-width:0}
.span2{grid-column:1/-1}
.cust{display:grid;grid-template-columns:1fr 1fr;gap:6px;padding:10px 0;border-bottom:1px dashed var(--line)}
.cust>*{min-width:0}.cust input{margin:0}
.cust input[name=c_times]{grid-column:1/-1;min-height:38px;padding:7px 13px;font-size:14px}
.pair{display:grid;grid-template-columns:2fr 1fr;gap:6px;margin-bottom:6px}.pair>*{min-width:0}.pair input{margin:0}
details{border-top:1px solid var(--line);padding:10px 0}
summary{cursor:pointer;font-weight:600;min-height:32px}
.check{display:flex;align-items:center;gap:9px;color:var(--ink);font-size:15px;margin:8px 0}
.check input{width:20px;height:20px;min-height:0;margin:0;flex:none;accent-color:var(--brand)}
.stack button{margin-top:4px}
.buttons{display:flex;flex-wrap:wrap;gap:8px}
.code{font-size:20px;letter-spacing:3px;background:var(--brand-soft);color:var(--brand);padding:3px 10px;border-radius:8px;font-weight:700}
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:10;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(10px);border-top:1px solid var(--line)}
.sticky button{max-width:688px;margin:0 auto;min-height:52px;font-size:17px}

/* ---------- lists, tables, numbers ---------- */
.row{display:grid;gap:4px;position:relative}
.nums{display:flex;flex-wrap:wrap;gap:4px 14px;color:var(--muted);font-size:14px;overflow-wrap:anywhere}
.tag{display:inline-block;font-size:13px;padding:3px 10px;border-radius:99px;background:var(--field);color:var(--muted);width:max-content;text-decoration:none;margin:2px}
.tag.ok{background:color-mix(in srgb,var(--ok) 15%,transparent);color:var(--ok)}
.sheet div,.totals div{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.sheet div:last-child{border-bottom:0}
.sheet b{overflow-wrap:anywhere;text-align:right}
.sheet .total,.totals div:nth-of-type(3){font-size:19px;font-weight:600}
.totals{background:linear-gradient(180deg,var(--card),var(--brand-soft))}
.totals .inline{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:8px 0}
.totals .inline input{width:46%;margin:0;text-align:right}
table{width:100%;border-collapse:collapse;font-size:15px}
td,th{padding:10px 4px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;overflow-wrap:break-word}
td.r{overflow-wrap:anywhere}
th{font-size:13px;color:var(--muted);font-weight:500}
tr.total td{font-weight:700;border-bottom:0}
.slips{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:8px;margin-bottom:10px}
.slips img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.slips figure{margin:0;text-align:center}

/* ---------- calendar ---------- */
.sm{min-height:42px;min-width:42px;padding:6px 12px;font-size:20px;border-radius:12px}
.monthbar{display:flex;align-items:center;justify-content:space-between;gap:8px;text-align:center;margin-bottom:12px}
.monthbar strong{font-size:17px}
.picker{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;min-width:0}
.picker select{margin:0;min-height:34px;padding:4px 10px;width:auto;font-size:14px;background:var(--card);border:1px solid var(--line)}
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:5px}
.wd{text-align:center;font-size:12px;color:var(--muted);padding:2px 0 4px;font-weight:500}
.day{aspect-ratio:1/1.15;border-radius:12px;background:var(--field);display:flex;flex-direction:column;align-items:center;justify-content:flex-start;
  padding:5px 2px;text-decoration:none;color:var(--ink);overflow:hidden;min-width:0;border:1.5px solid transparent;transition:transform .1s}
.day .n{font-weight:600;font-size:15px;line-height:1.2}
.day .ok{font-size:10px;line-height:1.3;color:#fff;white-space:nowrap;opacity:.95}
.day .amt{font-size:11px;line-height:1.2;color:#fff;white-space:nowrap;margin-top:auto;font-weight:600}
.day .add{margin-top:auto;width:20px;height:20px;border-radius:50%;display:grid;place-items:center;font-size:15px;line-height:1;color:var(--brand);background:var(--brand-soft)}
.day.done{background:linear-gradient(160deg,#16a37f,#0d7a6f);color:#fff;box-shadow:0 4px 10px rgba(13,122,111,.25)}
.day.today{border-color:var(--accent)}
.day.future{opacity:.38}
.day.blank{background:none}
a.day:active{transform:scale(.94)}
.legend{margin:12px 0 0;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.sw{display:inline-block;width:14px;height:14px;border-radius:4px;background:var(--field);vertical-align:middle;border:1px solid var(--line)}
.sw.done{background:linear-gradient(160deg,#16a37f,#0d7a6f);border:0}
.period .phead{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.period .stat{display:flex;justify-content:space-between;align-items:baseline;margin:8px 0}
.period .stat strong{font-size:24px}
.mine span::before{content:"";display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:6px;background:var(--s2)}

/* ---------- admin dashboard ---------- */
.seg{display:grid;grid-template-columns:repeat(3,1fr);background:var(--card);border-radius:14px;padding:4px;gap:4px;margin:0 0 12px;box-shadow:var(--shadow)}
.seg a{text-align:center;padding:10px 0;border-radius:11px;text-decoration:none;color:var(--muted);font-weight:500}
.seg a.on{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 4px 12px color-mix(in srgb,var(--brand) 30%,transparent)}
.disabled{opacity:.35;pointer-events:none}
.kpis{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.kpi{background:var(--card);border-radius:var(--r);padding:14px;display:flex;flex-direction:column;gap:2px;min-width:0;box-shadow:var(--shadow)}
.kpi span{font-size:13px;color:var(--muted)}
.kpi strong{font-size:23px;line-height:1.25;overflow-wrap:anywhere;font-weight:700}
.kpi small{font-size:12px;color:var(--muted)}
.kpi.hero{grid-column:1/-1;padding:18px;background:linear-gradient(135deg,#0a5a54,#0d7a6f 50%,#14a593);color:#fff}
.kpi.hero span,.kpi.hero small{color:rgba(255,255,255,.85)}
.kpi.hero strong{font-size:36px}
.chart{position:relative;width:100%}
.htable tr{cursor:pointer}.htable tr.idle td{color:var(--muted)}
.htable a{color:var(--ink);text-decoration:none;font-weight:600}
.dot{display:inline-block;width:9px;height:9px;border-radius:3px;margin-right:5px;vertical-align:middle}
.dot.s1{background:var(--s1)}.dot.s2{background:var(--s2)}

/* ---------- admin settings ---------- */
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:8px;padding:14px 0;border-bottom:1px solid var(--line);align-items:center}
.field-row>input[name=label]{grid-column:1/-1;margin:0}
.field-row select{margin:0}
.field-row .buttons{grid-column:1/-1}
.field-row .buttons button{min-height:40px;padding:6px 14px}
.field-row.add{border-bottom:0}.field-row.add>button{grid-column:1/-1}
.inline-row{display:flex;justify-content:space-between;align-items:center;padding:6px 0}

/* ---------- install banner ---------- */
.install{display:flex;align-items:center;gap:10px;background:var(--card);border-radius:16px;padding:10px 12px;margin:0 0 14px;box-shadow:var(--shadow)}
.install[hidden]{display:none}
.install img{border-radius:10px;flex:none}
.install .txt{flex:1;font-size:14px}
.install .go{min-height:38px;padding:6px 14px}
.install .x{text-decoration:none;color:var(--muted);font-size:18px;padding:4px}

@media (min-width:600px){
  .cust{grid-template-columns:2fr 2fr 1fr}.cust input[name=c_times]{grid-column:auto;min-height:46px;font-size:16px}
  .day .ok{font-size:12px}.day .amt{font-size:13px}
}
@media (max-width:379px){.day{aspect-ratio:1/1.3}.day .amt{font-size:10px}.day .ok{font-size:9px}}
.found{display:flex;flex-direction:column;gap:6px;margin-bottom:6px}.found button{justify-content:flex-start}
code{background:var(--field);padding:1px 6px;border-radius:6px}
ol{padding-left:20px;margin:8px 0}