/* ใส Sai. Layout: a phone-width app column with a fixed tab bar; one big scan action on the first screen.
   Palette: pandan green and marigold on rice paper, sand for "worth knowing" -- a friend who knows herbs. */
:root{
  --ground:#f7f4ea; --surface:#fffdf8; --surface-2:#ece8d9; --ink:#1f2b24; --ink-soft:#56604f;
  --indigo:#2c5a45; --indigo-2:#3a7459; --on-indigo:#fffdf8; --marigold:#e4a23a; --marigold-ink:#6b4500;
  --line:#e0dcc8; --found-bg:#f6e6c4; --found-ink:#6b4500; --clear-bg:#e1ebdd; --clear-ink:#2c5a45;
  --err-bg:#fbe6e3; --err-ink:#8a1f17; --shade:rgba(31,43,36,.5);
  --clay:#b85a66; --clay-ink:#8e3a47; --clay-bg:#f5e1e3;
  --display:'Fraunces','Noto Serif Thai',Georgia,serif; --body:'Anuphan',system-ui,-apple-system,'Segoe UI',sans-serif;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --ground:#141a16; --surface:#1c241f; --surface-2:#25302a; --ink:#eef2e8; --ink-soft:#aab5a3;
  --indigo:#8fc7a6; --indigo-2:#a8d6bb; --on-indigo:#12201a; --marigold:#e9b04c; --marigold-ink:#f5d38d;
  --line:#2f3d34; --found-bg:#4a3a12; --found-ink:#f8dc98; --clear-bg:#243a2f; --clear-ink:#c4e4d0;
  --err-bg:#4a1d19; --err-ink:#f6c2bc; --shade:rgba(0,0,0,.6);
  --clay:#e39aa4; --clay-ink:#f2c3c9; --clay-bg:#3a2428; color-scheme:dark } }
:root[data-theme="dark"]{
  --ground:#141a16; --surface:#1c241f; --surface-2:#25302a; --ink:#eef2e8; --ink-soft:#aab5a3;
  --indigo:#8fc7a6; --indigo-2:#a8d6bb; --on-indigo:#12201a; --marigold:#e9b04c; --marigold-ink:#f5d38d;
  --line:#2f3d34; --found-bg:#4a3a12; --found-ink:#f8dc98; --clear-bg:#243a2f; --clear-ink:#c4e4d0;
  --err-bg:#4a1d19; --err-ink:#f6c2bc; --shade:rgba(0,0,0,.6);
  --clay:#e39aa4; --clay-ink:#f2c3c9; --clay-bg:#3a2428; color-scheme:dark }

*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--ground);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6}
h1,h2,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;color:inherit}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}

.app{max-width:480px;margin:0 auto;min-height:100%;display:flex;flex-direction:column}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px 6px}
.brand{display:flex;align-items:baseline;gap:8px}
.drop{width:15px;height:15px;background:var(--indigo);border-radius:0 60% 0 60%;transform:rotate(45deg) translateY(-1px);display:inline-block;position:relative;align-self:center}
.drop::after{content:'';position:absolute;right:2px;bottom:2px;width:5px;height:5px;border-radius:50%;background:var(--marigold)}
.drop.big{width:44px;height:44px}
.drop.big::after{width:14px;height:14px;right:6px;bottom:6px}
.bname{font-family:var(--display);font-weight:600;font-size:24px;color:var(--indigo);line-height:1}
.bsub{font-family:var(--display);font-size:14px;color:var(--ink-soft);letter-spacing:.06em}
.lang{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--surface)}
.lang button{border:0;background:none;min-height:44px;padding:6px 16px;font-size:14px;font-weight:600;color:var(--ink-soft);cursor:pointer}
.lang button[aria-pressed="true"]{background:var(--indigo);color:var(--on-indigo)}

main{flex:1;padding:10px 16px 96px;outline:none}
.view{display:flex;flex-direction:column;gap:16px}
h1{font-family:var(--display);font-weight:600;font-size:clamp(26px,7.4vw,32px);line-height:1.25;text-wrap:balance}
h2{font-family:var(--display);font-weight:500;font-size:18px;line-height:1.3}
.lede{color:var(--ink-soft);max-width:38ch}
.eyebrow{font-size:14px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;color:var(--marigold-ink)}

.scan-main{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding:26px 18px;border-radius:38px 8px 38px 8px;background:var(--indigo);color:var(--on-indigo);cursor:pointer;text-align:center}
.scan-main input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}
.scan-main .ic{width:64px;height:64px;border-radius:50%;background:var(--marigold);color:#1f2b24;display:grid;place-items:center}
.scan-main .ic svg{width:30px;height:30px}
.scan-main .lbl{font-family:var(--display);font-weight:500;font-size:21px;margin-top:6px}
.scan-main .hint{font-size:14px;opacity:.86}
.scan-main:focus-within,.scan-main:focus-visible{outline:3px solid var(--marigold);outline-offset:3px}

.alt{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.alt-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:13px 10px;border-radius:16px;border:1px solid var(--line);background:var(--surface);font-size:15px;font-weight:500;cursor:pointer;min-width:0}
.alt-btn[hidden]{display:none}
.alt:has(.alt-btn[hidden]){grid-template-columns:1fr}
.paste{display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:16px;background:var(--surface);border:1px solid var(--line)}
.paste label{font-size:14px;font-weight:600}
textarea{width:100%;min-height:110px;resize:vertical;padding:11px 12px;border:1px solid var(--line);border-radius:12px;background:var(--ground);color:var(--ink);font:400 15px/1.5 var(--body)}

.btn{padding:13px 18px;border:0;border-radius:999px;background:var(--indigo);color:var(--on-indigo);font-size:16px;font-weight:600;cursor:pointer}
.btn[disabled]{opacity:.55;cursor:default}
.btn.ghost{background:none;color:var(--ink);border:1px solid var(--line)}
.btn.ghost.light{color:#fff;border-color:rgba(255,255,255,.6)}
.link{background:none;border:0;min-height:44px;display:inline-flex;align-items:center;padding:6px 0;font-size:14px;font-weight:600;color:var(--indigo);text-decoration:underline;cursor:pointer;align-self:flex-start}
.link.danger{color:var(--err-ink)}
button:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--marigold);outline-offset:2px}

.quota{font-size:14px;color:var(--ink-soft);text-align:center;font-variant-numeric:tabular-nums}
.msg{padding:11px 13px;border-radius:12px;background:var(--err-bg);color:var(--err-ink);font-size:14px}
.how ol{display:flex;flex-direction:column;gap:8px;margin-top:8px;counter-reset:s}
.how li{counter-increment:s;display:flex;gap:10px;align-items:flex-start;color:var(--ink-soft);font-size:15px}
.how li::before{content:counter(s);flex:none;width:24px;height:24px;border-radius:50%;background:var(--surface-2);color:var(--ink);font-weight:600;font-size:14px;display:grid;place-items:center;margin-top:1px}

.hist{display:flex;flex-direction:column;gap:8px;margin-top:8px}
.hist li{display:block}
.hist button{width:100%;display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:16px;border:1px solid var(--line);background:var(--surface);text-align:left;cursor:pointer;min-width:0}
.hist .t{flex:1;min-width:0;display:flex;flex-direction:column}
.hist .n{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.hist .d{font-size:14px;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.hist .lock{font-size:14px;font-weight:600;padding:3px 9px;border-radius:999px;background:var(--found-bg);color:var(--found-ink);flex:none}
.hist button.locked .n{color:var(--ink-soft)}
.empty{color:var(--ink-soft);padding:34px 16px;text-align:center;border:1.5px dashed var(--line);border-radius:22px 6px 22px 6px}

.busy{min-height:56vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:22px;text-align:center}
.busy p{color:var(--ink-soft);max-width:28ch}
.pulse{width:110px;height:110px;border-radius:40px 8px 40px 8px;background:var(--clear-bg);display:grid;place-items:center}
@media (prefers-reduced-motion:no-preference){ .pulse .drop{animation:clear 2.2s ease-in-out infinite} @keyframes clear{0%,100%{filter:blur(5px);opacity:.55}50%{filter:blur(0);opacity:1}} .sheet{animation:up .22s ease} @keyframes up{from{transform:translateY(24px);opacity:0}} }

.back{align-self:flex-start;display:inline-flex;align-items:center;min-height:44px;background:none;border:0;padding:4px 0;font-size:15px;font-weight:600;color:var(--indigo);cursor:pointer}
.summary{font-size:17px;line-height:1.55}
#rSummary{padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:22px 6px 22px 6px}
.chips{display:flex;flex-direction:column;gap:8px}
.chips li{padding:11px 13px;border-radius:14px;display:flex;flex-direction:column;gap:1px;font-size:14px;min-width:0}
.chips b{font-size:15px;font-weight:600}
.chips span{overflow-wrap:anywhere}
.chips .found{background:var(--found-bg);color:var(--found-ink);border-left:5px solid var(--marigold)}
.chips .clear{background:var(--clear-bg);color:var(--clear-ink)}
.listhead{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-top:4px}
.listhead span{font-size:14px;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.ings{background:var(--surface);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.ings button{width:100%;display:flex;align-items:center;gap:10px;padding:13px 14px;border:0;border-top:1px solid var(--line);background:none;text-align:left;cursor:pointer;min-width:0}
.ings li:first-child button{border-top:0}
.ings .t{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}
.ings .n{font-weight:600;overflow-wrap:anywhere}
.ings .k{font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--marigold-ink)}
.ings .p{font-size:14.5px;color:var(--ink-soft)}
.ings svg{color:var(--ink-soft);width:18px;height:18px}
.actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.fine,.block p{white-space:pre-line}
.fine{font-size:14px;line-height:1.5;color:var(--ink-soft)}
.note{font-size:16px;line-height:1.6;white-space:pre-line}
.shot{display:block;width:100%;max-height:240px;object-fit:contain;border-radius:14px;border:1px solid var(--line);background:var(--surface-2)}

.plans{display:flex;flex-direction:column;gap:12px}
.plan{padding:18px 16px;border-radius:20px;border:1px solid var(--line);background:var(--surface);display:flex;flex-direction:column;gap:10px}
.plan.hot{border:2px solid var(--marigold)}
.price{font-family:var(--display);font-size:22px;font-weight:600;font-variant-numeric:tabular-nums}
.plan ul{display:flex;flex-direction:column;gap:6px}
.plan li{padding-left:20px;position:relative;font-size:15px}
.plan li::before{content:'';position:absolute;left:3px;top:10px;width:8px;height:8px;border-radius:50%;background:var(--marigold)}
.block{padding:16px;border-radius:18px;background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:6px}
.block p,.block li{color:var(--ink-soft);font-size:15px}
.block ul{display:flex;flex-direction:column;gap:5px}
.block li{padding-left:18px;position:relative}
.block li::before{content:'';position:absolute;left:3px;top:11px;width:6px;height:6px;border-radius:50%;background:var(--indigo)}

.tabs{position:fixed;left:0;right:0;bottom:0;z-index:5;display:flex;justify-content:center;background:var(--surface);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom,0px)}
.tabs button{flex:1;max-width:120px;display:flex;flex-direction:column;align-items:center;gap:2px;padding:9px 4px 8px;border:0;background:none;font-size:14px;font-weight:500;color:var(--ink-soft);cursor:pointer}
.tabs button[aria-current="page"]{color:var(--indigo);font-weight:600}

.sheet-wrap,.cam-wrap{position:fixed;inset:0;z-index:20;background:var(--shade);display:flex;align-items:flex-end;justify-content:center}
.sheet{width:100%;max-width:480px;max-height:82vh;overflow:auto;background:var(--surface);border-radius:30px 8px 0 0;padding:22px 18px calc(26px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:10px;position:relative}
.sheet h2{font-size:22px;font-weight:600;overflow-wrap:anywhere;padding-right:34px}
.x{position:absolute;right:10px;top:8px;width:44px;height:44px;border-radius:50%;border:0;background:var(--surface-2);font-size:22px;line-height:1;cursor:pointer}
.cam-wrap{align-items:center;background:#0c120e}
.cam{width:100%;max-width:480px;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:20px 16px;position:relative;color:#fff}
.cam video{width:100%;max-height:60vh;border-radius:18px;background:#000;object-fit:cover}
.cam .frame{position:absolute;left:12%;right:12%;top:36%;height:18%;border:3px solid var(--marigold);border-radius:14px;pointer-events:none}
.cam p{text-align:center;max-width:30ch}
.toast{position:fixed;left:50%;bottom:calc(84px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);z-index:30;background:var(--ink);color:var(--ground);padding:10px 16px;border-radius:999px;font-size:14px;max-width:88vw;text-align:center}

.ings .tag{align-self:flex-start;margin-top:5px;font-size:14px;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--found-bg);color:var(--found-ink)}
.ings .tag.notable{background:var(--found-bg);color:var(--found-ink)}
.watch{background:var(--found-bg);color:var(--found-ink);border-radius:14px;padding:12px 14px}
.watch h3{margin:0 0 2px;font-size:14px;font-weight:600;letter-spacing:.04em}
.watch p{font-size:15px}

.marks{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}
.mark{padding:11px 10px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);font-size:15px;font-weight:600;cursor:pointer}
.mark.like[aria-pressed="true"]{background:var(--clear-bg);border-color:var(--indigo);color:var(--clear-ink)}
.mark.avoid[aria-pressed="true"]{background:var(--clay-bg);border-color:var(--clay);color:var(--clay-ink)}
.mark:focus-visible{outline:3px solid var(--marigold);outline-offset:2px}
.hist .badge{font-size:14px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--clear-bg);color:var(--clear-ink);flex:none}
.hist .badge.avoid{background:var(--clay-bg);color:var(--clay-ink)}
h2.sub{font-size:17px;margin:18px 0 8px}
.srcs h3{margin:0 0 2px;font-size:14px;font-weight:600;letter-spacing:.04em;color:var(--ink-soft)}
.srcs ul{display:flex;flex-wrap:wrap;gap:4px 14px}
.srcs a{font-size:14px;color:var(--indigo);overflow-wrap:anywhere}

.code{margin-top:14px}
.code label{display:block;font-size:14px;color:var(--ink-soft);margin-bottom:6px}
.code .row{display:flex;gap:8px}
.code input{flex:1;min-width:0;font:inherit;padding:11px 14px;border-radius:14px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.04em}
.code input:focus-visible{outline:3px solid var(--marigold);outline-offset:1px}
.code .btn{flex:none;padding-inline:18px}
.pending{margin-top:12px;padding:10px 14px;border-radius:14px;background:var(--clear-bg);color:var(--clear-ink);font-size:14.5px;font-weight:600}
textarea.tall{min-height:260px}
.basis{margin:8px 0 2px;padding:10px 13px;border-radius:14px;background:var(--surface-2);color:var(--ink-soft);font-size:14px}
.basis.ok{background:var(--clear-bg);color:var(--clear-ink)}

.codephoto{display:inline-flex;align-items:center;margin-top:4px;cursor:pointer;font-size:14.5px}
.basis.warn{background:var(--err-bg);color:var(--err-ink)}

/* owner review page */
.app.wide{max-width:760px}
.fld{display:block;margin-top:10px;font-size:14px;color:var(--ink-soft)}
.fld span{display:block;margin-bottom:4px}
.fld input{width:100%;font:inherit;padding:10px 12px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink)}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:0 12px}
.actions.wrap{flex-wrap:wrap}
.evid{display:block;max-width:100%;max-height:520px;border-radius:14px;border:1px solid var(--line);margin:10px 0;background:var(--surface-2);min-height:40px}
textarea[readonly]{background:var(--surface-2);color:var(--ink-soft)}
details.plan summary{cursor:pointer;font-weight:600}
.fact{border-top:1px solid var(--line);margin-top:12px;padding-top:12px}
.plan + .plan, details.plan + details.plan{margin-top:12px}

.ev{align-self:flex-start;font-size:14px;font-weight:600;padding:4px 12px;border-radius:999px;background:var(--surface-2);color:var(--ink);border:1px solid var(--line)}
.nl{display:flex;flex-direction:column;gap:10px;padding:16px;border-radius:26px 6px 26px 6px;background:var(--surface);border:2px solid var(--indigo)}
.nl p{color:var(--ink-soft);font-size:15px}
.btn.big{min-height:56px;font-size:18px}
.btn.ghost{min-height:44px}
.ings .tag.watchhit{background:var(--clear-bg);color:var(--clear-ink)}
.qchips{display:flex;flex-wrap:wrap;gap:8px}
.qchips button{min-height:44px;padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:var(--surface-2);font-size:14px;font-weight:500;cursor:pointer}
.shelf li{display:flex;flex-direction:column;gap:8px;padding:12px 14px;border-radius:16px;border:1px solid var(--line);background:var(--surface)}
.shelf{display:flex;flex-direction:column;gap:8px}
.shelf li>button.row{width:100%;display:flex;align-items:center;gap:12px;border:0;padding:0;background:none;text-align:left;cursor:pointer;min-height:44px}
.shelf .t{flex:1;min-width:0;display:flex;flex-direction:column}
.shelf .btn{align-self:flex-start}
.shelf .btn{padding:10px 16px;min-height:44px;font-size:15px}
.shelf .st{font-size:14px;font-weight:600;padding:3px 10px;border-radius:999px;background:var(--surface-2);color:var(--ink-soft);flex:none}
.shelf .st.ok{background:var(--clear-bg);color:var(--clear-ink)}
.shelf .st.wait{background:var(--found-bg);color:var(--found-ink)}
.shelf .top2{display:flex;align-items:center;justify-content:space-between;gap:10px}
.shelf .g{font-weight:600;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}
.shelf .d{font-size:14px;color:var(--ink-soft)}
.hist li.plain{display:flex}
.hist li.plain button{width:100%}

/* the hidden attribute always wins over a display rule */
/* display serif stays on large text only */
.scan-main .lbl,.price,.btn,.lang button{font-family:var(--body);font-weight:600}
.bsub{font-family:var(--body)}

/* trust strip */
.trust{display:flex;flex-wrap:wrap;justify-content:center;gap:6px 14px;margin-top:-4px}
.trust li{font-size:15px;color:var(--ink-soft);padding-left:18px;position:relative}
.trust li:empty{display:none}
.trust li::before{content:'';position:absolute;left:0;top:.5em;width:10px;height:10px;border-radius:0 70% 0 70%;background:var(--indigo)}

/* result order: answer before caveat */
#view-result .back,#view-result .eyebrow,#view-result #rName{order:-3}
#view-result #rSummary,#view-result #rWatchN{order:-2}
#view-result #rFlags{order:-1}

/* Thai needs no tracking (it splits stacked vowels and tone marks) and wants a larger small size */
html[lang="th"] .eyebrow,html[lang="th"] .ings .k,html[lang="th"] .watch h3,html[lang="th"] .srcs h3,html[lang="th"] .bsub,html[lang="th"] .code input{letter-spacing:0}
html[lang="th"] .eyebrow{text-transform:none}
html[lang="th"] .fine,html[lang="th"] .basis,html[lang="th"] .msg,html[lang="th"] .hist .d,html[lang="th"] .chips li,
html[lang="th"] .ings .tag,html[lang="th"] .ings .k,html[lang="th"] .listhead span,html[lang="th"] .tabs button,
html[lang="th"] .srcs a,html[lang="th"] .quota,html[lang="th"] .link,html[lang="th"] .hist .lock,html[lang="th"] .hist .badge,
html[lang="th"] .watch h3,html[lang="th"] .srcs h3,html[lang="th"] .ev,html[lang="th"] .qchips button,html[lang="th"] .shelf .d,html[lang="th"] .shelf .st,
html[lang="th"] .scan-main .hint,html[lang="th"] .toast,html[lang="th"] .trust li{font-size:15px}
html[lang="th"] .ings .p{font-size:15.5px}
html[lang="th"] .chips b{font-size:16px}

[hidden] { display: none !important; }