/* Layout: one iPhone-width column; large-title screens, grouped cards and a bottom tab bar like a
   native iOS app. The one bold touch: warm string-light dots under each title (the shop's lawn at night). */
:root{
  --bg:#F1F2EE; --surface:#FFFFFF; --ink:#1A1D1A; --muted:#687068; --line:#E1E4DE;
  --accent:#2F6A4C; --accent-soft:#E3EEE7; --on-accent:#FFFFFF; --lamp:#F2B544;
  --ok:#2E7D4F; --ok-soft:#E2F2E8; --warn:#A86A12; --warn-soft:#FBF0DC; --bad:#BE3B2A; --bad-soft:#FBE6E2;
  --display:-apple-system,"SF Pro Display","Sukhumvit Set","Noto Sans Thai",system-ui,sans-serif;
  --body:-apple-system,"SF Pro Text","Sukhumvit Set","Noto Sans Thai",system-ui,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#0E110F; --surface:#181C19; --ink:#ECEFEB; --muted:#9BA39C; --line:#2A302B;
  --accent:#7CC59C; --accent-soft:#1F3328; --on-accent:#0E110F;
  --ok:#6FCB94; --ok-soft:#1B3125; --warn:#E5AE52; --warn-soft:#352A15; --bad:#F08A78; --bad-soft:#3A1F1A; color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#0E110F; --surface:#181C19; --ink:#ECEFEB; --muted:#9BA39C; --line:#2A302B;
  --accent:#7CC59C; --accent-soft:#1F3328; --on-accent:#0E110F;
  --ok:#6FCB94; --ok-soft:#1B3125; --warn:#E5AE52; --warn-soft:#352A15; --bad:#F08A78; --bad-soft:#3A1F1A; color-scheme:dark;}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font:16px/1.5 var(--body);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.app{max-width:440px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;position:relative}
.screen{display:none;flex:1;padding:calc(6px + env(safe-area-inset-top)) 16px calc(110px + env(safe-area-inset-bottom));flex-direction:column;gap:14px}
.screen.on{display:flex}
.stack{display:flex;flex-direction:column;gap:14px}
.top{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--muted);padding-top:8px;min-height:32px}
.live{display:inline-flex;align-items:center;gap:6px}
.live i{width:8px;height:8px;border-radius:50%;background:var(--muted)}
.live.ok i{background:var(--ok)}
.live.off i{background:var(--bad)}
.refresh{border:0;background:transparent;color:var(--accent);font-size:1.3rem;min-width:44px;min-height:32px}
h1{font:700 2rem/1.15 var(--display);margin:2px 0 0;letter-spacing:-.01em;text-wrap:balance}
.lights{height:14px;display:flex;justify-content:space-between;align-items:flex-start;margin:2px 0;position:relative}
.lights::before{content:"";position:absolute;left:0;right:0;top:3px;height:1px;background:var(--line)}
.lights b{width:7px;height:7px;border-radius:50%;background:var(--lamp);box-shadow:0 0 8px var(--lamp);position:relative}
.lights b:nth-child(even){top:4px;opacity:.85}
.sub{color:var(--muted);margin:0;font-size:.95rem}
.muted{color:var(--muted);font-size:.85rem}
.center{text-align:center}
.group-title{font-size:.8rem;font-weight:600;color:var(--muted);margin:8px 4px -6px}
.card{background:var(--surface);border-radius:16px;padding:14px;display:flex;flex-direction:column;gap:10px;border:1px solid var(--line);position:relative;overflow:hidden}
.card.stripe::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--stripe,var(--accent))}
.card.urgent{--stripe:var(--bad)}
.card.waiting{--stripe:var(--warn)}
.card.good{--stripe:var(--ok)}
.card.busy{opacity:.7}
.row{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.between{justify-content:space-between}
.kind{font-weight:600;font-size:.92rem}
.when{color:var(--muted);font-size:.8rem}
.chip{font-size:.75rem;font-weight:600;padding:2px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);white-space:nowrap;text-decoration:none}
.chip.ok{background:var(--ok-soft);color:var(--ok)}
.chip.warn{background:var(--warn-soft);color:var(--warn)}
.chip.bad{background:var(--bad-soft);color:var(--bad)}
.chip.mute{background:var(--bg);color:var(--muted);border:1px solid var(--line)}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.quote{margin:0;padding:10px 12px;background:var(--bg);border-radius:12px;font-size:.95rem;white-space:pre-wrap;overflow-wrap:anywhere}
.draft{border:1px solid var(--line);border-radius:12px;padding:10px 12px;font-size:1rem;background:var(--surface);width:100%;resize:vertical;min-height:64px}
.draft[readonly]{background:var(--accent-soft);border-color:transparent}
.label{font-size:.75rem;color:var(--muted);margin-bottom:-6px;display:block}
.note{font-size:.85rem;color:var(--warn);background:var(--warn-soft);border-radius:10px;padding:6px 10px}
.fail{font-size:.85rem;color:var(--bad);background:var(--bad-soft);border-radius:10px;padding:6px 10px}
.actions{display:flex;gap:8px}
.btn{flex:1;border:1px solid var(--line);border-radius:12px;padding:11px 12px;font-weight:600;font-size:.95rem;background:var(--bg);color:var(--ink);min-height:44px;text-align:center;text-decoration:none;display:inline-flex;align-items:center;justify-content:center}
.btn.primary{background:var(--accent);color:var(--on-accent);border-color:transparent}
.btn.ghost{flex:0 0 auto;background:transparent;border-color:transparent;color:var(--muted)}
.btn.small{flex:0 0 auto;padding:6px 14px;min-height:36px}
.btn.danger{color:var(--bad)}
.btn[disabled]{opacity:.5}
.big{font:700 1.25rem/1.3 var(--display)}
.summary{display:flex;gap:12px;align-items:center;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px 14px}
.summary .n{font:700 1.8rem/1 var(--display);color:var(--accent);font-variant-numeric:tabular-nums;min-width:1.2em;text-align:center}
.summary .grow{flex:1}
.convo{display:flex;flex-direction:column;gap:6px}
.bubble{max-width:85%;padding:8px 12px;border-radius:16px;font-size:.92rem;white-space:pre-wrap;overflow-wrap:anywhere}
.bubble.them{background:var(--bg);align-self:flex-start;border-bottom-left-radius:4px}
.bubble.us{background:var(--accent);color:var(--on-accent);align-self:flex-end;border-bottom-right-radius:4px}
.report{white-space:pre-wrap;font-size:.9rem;margin:0;overflow-wrap:anywhere}
.list{background:var(--surface);border:1px solid var(--line);border-radius:16px;overflow:hidden}
.item{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-top:1px solid var(--line);min-height:52px}
.item:first-child{border-top:0}
.item small{display:block;color:var(--muted);font-size:.78rem}
.dot{width:10px;height:10px;border-radius:50%;background:var(--ok);flex:0 0 auto}
.dot.warn{background:var(--warn)}
.dot.bad{background:var(--bad)}
.empty{text-align:center;color:var(--muted);padding:28px 12px;background:var(--surface);border:1px dashed var(--line);border-radius:16px}
.login{justify-content:center}
.login-box{display:flex;flex-direction:column;gap:14px;align-items:stretch;text-align:center;padding:24px 4px}
.logo{align-self:center;border-radius:18px}
.install-tip{font-size:.9rem;background:var(--warn-soft);color:var(--warn);border-radius:12px;padding:10px 12px;margin:0;text-align:left}
.code-form{display:flex;flex-direction:column;gap:10px;text-align:left}
#code{font:600 1.8rem/1.2 var(--display);letter-spacing:.4em;text-align:center;padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--surface)}
.msg{min-height:1.5em;margin:0;color:var(--muted);font-size:.9rem}
.msg.err{color:var(--bad)}
.fab{position:fixed;bottom:calc(84px + env(safe-area-inset-bottom));right:max(16px,calc(50% - 204px));border:0;border-radius:999px;background:var(--accent);color:var(--on-accent);font-weight:700;padding:14px 18px;box-shadow:0 6px 18px rgba(0,0,0,.22);display:flex;align-items:center;gap:6px;z-index:3}
nav.tabs{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:440px;display:grid;grid-template-columns:repeat(5,1fr);background:var(--surface);border-top:1px solid var(--line);padding:6px 4px calc(6px + env(safe-area-inset-bottom));z-index:4}
@supports (backdrop-filter:blur(1px)){nav.tabs{background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)}}
nav.tabs a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.68rem;color:var(--muted);text-decoration:none;padding:4px 0;position:relative;min-height:44px}
nav.tabs a.on{color:var(--accent)}
nav.tabs svg{width:24px;height:24px}
nav.tabs .badge{position:absolute;top:0;left:calc(50% + 6px);background:var(--bad);color:#fff;font-size:.62rem;font-weight:700;border-radius:999px;padding:0 5px;min-width:16px;text-align:center}
.sheet-back{position:fixed;inset:0;background:rgba(0,0,0,.35);display:none;z-index:5}
.sheet-back.on{display:block}
.sheet{position:fixed;left:50%;transform:translate(-50%,110%);bottom:0;width:100%;max-width:440px;background:var(--surface);border-radius:20px 20px 0 0;padding:10px 16px calc(20px + env(safe-area-inset-bottom));z-index:6;transition:transform .25s ease;display:flex;flex-direction:column;gap:12px;margin:0}
.sheet.on{transform:translate(-50%,0)}
.grab{width:36px;height:5px;border-radius:3px;background:var(--line);align-self:center}
.file-btn{cursor:pointer}
.progress{height:8px;border-radius:4px;background:var(--line);overflow:hidden}
.progress i{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.toast{position:fixed;top:calc(12px + env(safe-area-inset-top));left:50%;transform:translate(-50%,-160%);background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:999px;font-weight:600;font-size:.9rem;transition:transform .25s ease;z-index:9;max-width:90%;text-align:center}
.toast.on{transform:translate(-50%,0)}
@media (prefers-reduced-motion: reduce){*{transition:none!important}}