:root{--b1:#e7f0fc;--b2:#c5dcf8;--b3:#6aa5ec;--b4:#2a78d6;--b5:#1c58a3;
--elec:#c4650f;--water:#1673ad;--red:#c93c3c;--green:#2e8b57;--txt:#1f2d3d;--muted:#5a6b7d;--line:#d8e3f0;--bg:#f3f7fc;--card:#fff}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--txt);font-family:'Sarabun',system-ui,-apple-system,'Segoe UI',Tahoma,sans-serif;font-size:16px;line-height:1.45}
.hide{display:none!important}.muted{color:var(--muted)}.center{text-align:center}
.sub{font-size:13.5px;color:var(--muted)}
.screen{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:24px;text-align:center}
.bigicon{border-radius:20px}.screen h2{margin:4px 0 0;color:var(--b5)}.screen p{max-width:320px;margin:0}
.spin{width:34px;height:34px;border:4px solid var(--b2);border-top-color:var(--b4);border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
header{position:sticky;top:0;z-index:5;background:var(--b4);color:#fff;display:flex;align-items:center;justify-content:space-between;
  padding:8px 12px;padding-top:calc(8px + env(safe-area-inset-top))}
.hr{display:flex;align-items:center;gap:4px}
.pill{padding:4px 11px;border-radius:14px;font-size:13.5px;font-weight:700;white-space:nowrap}
.pill.new{background:#fff1df;color:#a35209}.pill.ok{background:rgba(255,255,255,.22);color:#fff}
.brand{display:flex;align-items:center;gap:10px}.brand img{border-radius:9px}
.brand b{display:block;font-size:19px;line-height:1.1}.brand small{display:block;font-size:13px;opacity:.9}
.iconbtn{border:0;background:transparent;color:inherit;font:inherit;font-size:26px;min-width:44px;min-height:44px;border-radius:12px;cursor:pointer}
header .iconbtn:active{background:rgba(255,255,255,.18)}
.bar{padding:12px 12px 4px;max-width:720px;margin:0 auto}
.seg{display:flex;background:#e3ecf7;border-radius:12px;padding:3px;gap:3px}
.seg button{flex:1;min-height:42px;border:0;background:transparent;border-radius:9px;font:inherit;font-weight:700;font-size:15px;color:var(--muted);cursor:pointer}
.seg button.on{background:#fff;color:var(--b5);box-shadow:0 1px 3px rgba(30,70,130,.18)}
.tag{padding:3px 11px;border-radius:14px;font-size:13.5px;font-weight:700}
.tag.new{background:#fff1df;color:#a35209;border:1px solid #f0c9a0}.tag.done{background:#e6f5ec;color:var(--green);border:1px solid #bfe2cd}
.tag.lock{background:#eef1f5;color:var(--muted)}
main{max-width:720px;margin:0 auto;padding:6px 12px 20px;display:block}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:14px;margin:10px 0;box-shadow:0 1px 3px rgba(30,70,130,.06)}
.card h3{margin:0 0 4px;font-size:18px;color:var(--b5);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.card.fin{background:#f7fbf8;border-color:#cfe6d6}
label{display:block;font-weight:700;margin:12px 0 4px;font-size:15px}
input[type=number]{width:100%;min-height:54px;font:inherit;font-size:24px;font-weight:700;padding:6px 12px;border:2px solid var(--line);border-radius:12px;background:#fff;color:var(--txt);text-align:right;-moz-appearance:textfield}
input[type=number]:focus{outline:none;border-color:var(--b4);box-shadow:0 0 0 3px var(--b2)}
.fld{margin-top:4px}.fld .sub{margin-top:3px}.fld .u{font-weight:700;margin-top:3px;font-size:14.5px;min-height:1.3em}
.e{color:var(--elec)}.w{color:var(--water)}.warn{color:var(--red)}
.photoslot{position:relative;overflow:hidden;display:flex;align-items:center;gap:10px;margin-top:8px;min-height:46px;padding:6px 12px;border:1.5px dashed var(--b3);
  border-radius:12px;color:var(--b5);font-size:15px;font-weight:700;cursor:pointer;background:#f8fbff}
.photoslot.has{border-style:solid;background:#e9f6ee;border-color:#9ed3b2;color:var(--green)}
.photoslot input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;min-height:0}
.pthumb{width:38px;height:38px;object-fit:cover;border-radius:7px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:48px;padding:0 18px;border:0;border-radius:12px;background:var(--b4);color:#fff;font:inherit;font-weight:700;font-size:16.5px;cursor:pointer}
.btn:active{filter:brightness(.92)}.btn:disabled{opacity:.55;cursor:default}
.btn.block{width:100%}.btn.sm{min-height:38px;padding:0 12px;font-size:14.5px}
.btn.line{background:#fff;color:var(--b5);border:1.5px solid var(--b3)}.btn.gray{background:#e8eef6;color:var(--txt)}.btn.ghost{background:#fff;color:var(--muted);border:1.5px solid var(--line)}
.btns{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}.btns .btn{flex:1 1 auto}
.row{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;padding:3px 0;font-size:17px}
.row .big{font-size:21px;font-weight:700}
details{margin-top:10px}summary{cursor:pointer;color:var(--b5);font-weight:700;font-size:14.5px;padding:6px 0}
table.hist{width:100%;border-collapse:collapse;font-size:14.5px}
table.hist th{background:var(--b1);padding:5px 7px;text-align:right;font-weight:700;color:var(--muted)}
table.hist td{padding:6px 7px;text-align:right;border-top:1px solid #edf2f8;white-space:nowrap}
table.hist th:first-child,table.hist td:first-child{text-align:left}
table.hist th.e{color:var(--elec)}table.hist th.w{color:var(--water)}
.scroll{overflow-x:auto}
.nl{position:relative;display:inline-block;margin:0;padding:0;cursor:pointer;font-weight:700;color:inherit;font-size:inherit;line-height:inherit;background:none;border:0;font-family:inherit}
.nl.has{color:var(--green);text-decoration:underline solid var(--green);text-decoration-thickness:2px;text-underline-offset:3px}
.nl.add{text-decoration:underline dashed #222;text-decoration-thickness:1.5px;text-underline-offset:3px}
.nl input{position:absolute;inset:0;opacity:0;width:100%;min-height:0;cursor:pointer}
.nlhint{margin:6px 2px 0;line-height:1.8}.nlhint .nl{cursor:default}
.empty{padding:26px 10px;text-align:center;color:var(--muted)}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom));transform:translate(-50%,30px);background:#1f2d3d;color:#fff;padding:11px 18px;border-radius:24px;
  font-weight:700;opacity:0;pointer-events:none;transition:.25s;max-width:92vw;text-align:center;z-index:60}
.toast.show{opacity:1;transform:translate(-50%,0)}.toast.bad{background:var(--red)}
.modal{position:fixed;inset:0;z-index:50;background:rgba(20,35,55,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.modal .inner{background:#fff;border-radius:18px;width:100%;max-width:440px;max-height:92vh;display:flex;flex-direction:column;overflow:hidden}
.modal .mh{display:flex;justify-content:space-between;align-items:center;padding:12px 14px;border-bottom:1px solid var(--line)}
.modal .mh h3{margin:0;font-size:18px;color:var(--b5)}.modal .mb{padding:14px;overflow:auto;white-space:pre-line}.modal .mf{padding:10px 14px 14px}
.modal img.photo{width:100%;height:auto;border-radius:10px;display:block}
footer{max-width:720px;margin:0 auto;padding:4px 14px 28px;text-align:center}
@media (min-width:720px){body{font-size:17px}}

/* v: ช่องกรอกแบ่งซ้าย-ขวา ไฟ (ส้ม) / น้ำ (ฟ้า) */
.cols{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px;margin-top:8px}.cols.one{grid-template-columns:minmax(0,1fr)}
.col{border-radius:14px;padding:10px 9px}
.col.ce{background:#fff4e6;border:1px solid #f3cf9f}.col.cw{background:#e8f3fc;border:1px solid #a9d0ee}
.col .ct{margin:0 0 6px;font-size:15px;font-weight:700}.ce .ct{color:#a35209}.cw .ct{color:#0f5f93}
.col input[type=text]{width:100%;min-width:0;min-height:52px;font:inherit;font-size:24px;font-weight:700;padding:4px 10px;border-radius:11px;background:#fff;color:var(--txt);text-align:right}
.ce input[type=text]{border:2px solid #e9b26a}.cw input[type=text]{border:2px solid #7bb5e0}
.col input[type=text]::placeholder{font-size:15px;font-weight:400;color:#b0b8c4}
.ce input[type=text]:focus{outline:none;box-shadow:0 0 0 3px #f8dfba}.cw input[type=text]:focus{outline:none;box-shadow:0 0 0 3px #c4e0f5}
.col .pv{font-size:12.5px;color:var(--muted);margin-top:5px;line-height:1.3}
.col .u{font-weight:700;font-size:13.5px;min-height:1.4em;margin:2px 0 4px;line-height:1.3}.ce .u{color:#a35209}.cw .u{color:#0f5f93}.col .u.warn{color:var(--red)}
.col .photoslot{margin-top:4px;min-height:42px;padding:4px 6px;justify-content:center;gap:6px;font-size:14px;background:#fff;border-radius:10px}
.ce .photoslot{border-color:#d99a45;color:#a35209}.cw .photoslot{border-color:#5a9fd2;color:#0f5f93}
.col .photoslot.has{background:#e6f5ec;border:1.5px solid #8fcfa8;color:var(--green)}
.col .photoslot .pthumb{width:28px;height:28px}

/* ไอคอนลายเส้น */
.ic{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:0 0 auto;vertical-align:-4px}
.iconbtn .ic{width:24px;height:24px;display:block;margin:auto}
.pill{display:inline-flex;align-items:center;gap:4px}.pill .ic{width:15px;height:15px;vertical-align:-3px}
.col .ct{display:flex;align-items:center;gap:6px}.col .ct .ic{width:20px;height:20px}
.photoslot .ic{width:18px;height:18px}
.row .e,.row .w{display:inline-flex;align-items:center;gap:6px}
.row .big{display:inline-flex}
.btn.sm .ic{width:17px;height:17px}.btn.sm{gap:5px}
.toast{display:flex;align-items:center;gap:8px;justify-content:center}.toast .ic{width:19px;height:19px}