/* SPI — mobile-first UI (matches the approved prototype) */
:root{
  --bg:#F3F4F1; --surface:#FFFFFF; --line:#E2E5E0; --line2:#C9CEC7; --ink:#16201C; --muted:#56615C;
  --accent:#0F5F5A; --accent-ink:#0A4541; --accent-soft:#E7F0EE;
  --warn-bg:#FEF3C7; --warn:#78350F; --bad-bg:#FDE8E7; --bad:#8A1C12; --mute-bg:#ECEDEB; --mute:#3F4844;
  --plan:#EDEAE2; --radius:18px;
  --font:'IBM Plex Sans Thai',Tahoma,'Noto Sans Thai',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0}
body{background:#E9EBE6;color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.5;-webkit-text-size-adjust:100%}
a{color:var(--accent)}
img{max-width:100%;display:block}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid #2F7F79;outline-offset:2px}
.shell{max-width:640px;margin:0 auto;min-height:100vh;background:var(--bg);display:flex;flex-direction:column;position:relative}
.top{padding:18px 20px 10px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:calc(18px + env(safe-area-inset-top,0px))}
.top .eyebrow{font-size:12px;color:var(--muted);letter-spacing:.03em}
.top h1{margin:0;font-size:22px;font-weight:700;line-height:1.3}
.top-bar{padding:12px 8px 6px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding-top:calc(12px + env(safe-area-inset-top,0px))}
.top-bar h1{margin:0;font-size:16px;font-weight:600;text-align:center;flex:1}
.icon-btn{width:48px;height:48px;border-radius:16px;display:inline-flex;align-items:center;justify-content:center;color:var(--ink);background:none;border:0;text-decoration:none;cursor:pointer;flex-shrink:0;position:relative}
.icon-btn.boxed{background:var(--surface);border:1px solid var(--line)}
.badge-dot{position:absolute;top:7px;right:7px;min-width:17px;height:17px;padding:0 4px;border-radius:9px;background:#B42318;color:#fff;font-size:10px;font-weight:700;display:flex;align-items:center;justify-content:center}
.main{flex:1;padding:0 20px 110px;display:flex;flex-direction:column;gap:16px}
.main.no-nav{padding-bottom:120px}
h2{margin:0;font-size:16px;font-weight:600}
.row{display:flex;align-items:center;gap:10px}
.between{display:flex;align-items:center;justify-content:space-between;gap:10px}
.grid2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.grid4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
.muted{color:var(--muted)}
.small{font-size:12px}
.mono{font-family:var(--mono)}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px}
.card.flush{padding:0;overflow:hidden}
.list{display:flex;flex-direction:column;gap:10px}
.item{display:flex;align-items:center;gap:12px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px;text-decoration:none;color:var(--ink)}
.item .grow{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.item .title{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.thumb{width:64px;height:64px;border-radius:14px;background:#E9ECE7;color:var(--muted);display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden;font-size:11px}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb.sm{width:44px;height:44px;border-radius:12px}
.pill{display:inline-flex;align-items:center;font-size:11px;font-weight:600;padding:2px 9px;border-radius:999px;white-space:nowrap}
.pill.ok{background:var(--accent-soft);color:var(--accent-ink)} .pill.warn{background:var(--warn-bg);color:var(--warn)}
.pill.bad{background:var(--bad-bg);color:var(--bad)} .pill.mute{background:var(--mute-bg);color:var(--mute)}
.pill.dark{background:var(--ink);color:#fff}
.tag{font-size:12px;font-weight:600;padding:3px 10px;border-radius:8px;background:var(--accent-soft);color:var(--accent-ink)}
/* metrics */
.hero-metric{background:var(--accent);color:#fff;border-radius:20px;padding:16px;grid-column:span 2}
.hero-metric .num{font-size:34px;font-weight:700;letter-spacing:-.01em;line-height:1.2}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:16px;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;gap:2px}
.metric .num{font-size:28px;font-weight:700;line-height:1.2;font-variant-numeric:tabular-nums}
.metric.warn{background:var(--warn-bg);border-color:transparent;color:var(--warn)}
.metric.bad{background:var(--bad-bg);border-color:transparent;color:var(--bad)}
.bar{height:8px;border-radius:4px;background:#E9ECE7;overflow:hidden}.bar>span{display:block;height:100%;background:var(--accent);border-radius:4px}
/* segmented + chips */
.seg{display:flex;gap:4px;padding:4px;background:#E6E9E4;border-radius:14px}
.seg a,.seg button{flex:1;min-height:40px;border-radius:10px;border:0;background:transparent;color:#4A5450;font-weight:600;font-size:14px;text-decoration:none;display:flex;align-items:center;justify-content:center;padding:0 10px;cursor:pointer;white-space:nowrap}
.seg .on{background:#fff;color:var(--ink);box-shadow:0 1px 2px #0000000f}
.chips{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}
.chip{flex-shrink:0;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid #D5D9D3;background:#fff;color:var(--ink);font-size:14px;font-weight:500;display:inline-flex;align-items:center;text-decoration:none;white-space:nowrap}
.chip.on{background:var(--ink);border-color:var(--ink);color:#fff}
/* forms */
.field{display:flex;flex-direction:column;gap:6px}
.field label,.legend{font-size:14px;font-weight:600}
.req{color:#B42318}
.input,select.input,textarea.input{width:100%;min-height:48px;padding:10px 14px;border-radius:12px;border:1px solid var(--line2);background:#fff;font-size:15px}
textarea.input{min-height:90px;resize:vertical}
.search{display:flex;align-items:center;gap:10px;min-height:48px;padding:0 14px;background:#fff;border:1px solid var(--line);border-radius:14px;color:var(--muted)}
.search input{flex:1;border:0;outline:none;background:transparent;font-size:15px;color:var(--ink);min-width:0;min-height:44px}
.hint{font-size:12px;color:var(--muted)}
.btn{min-height:48px;padding:0 18px;border-radius:14px;border:1px solid var(--line2);background:#fff;color:var(--ink);font-size:15px;font-weight:600;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;cursor:pointer}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.danger{color:var(--bad);border-color:#E9B9B4}
.btn.dashed{border:1.5px dashed var(--accent);color:var(--accent);background:transparent}
.btn.block{width:100%}
.btn.sm{min-height:40px;font-size:14px;padding:0 12px;border-radius:12px}
.btn:disabled{background:#9AA39E;border-color:#9AA39E;cursor:not-allowed}
.switch{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:44px;cursor:pointer}
.switch input{appearance:none;width:52px;height:32px;border-radius:16px;background:#9AA39E;position:relative;flex-shrink:0;cursor:pointer;transition:background .15s}
.switch input::after{content:"";position:absolute;top:3px;left:3px;width:26px;height:26px;border-radius:13px;background:#fff;transition:left .15s}
.switch input:checked{background:var(--accent)} .switch input:checked::after{left:23px}
.check{display:flex;align-items:center;gap:12px;min-height:48px;padding:0 14px;border-radius:12px;border:1px solid #D5D9D3;background:#fff;cursor:pointer}
.check input{width:20px;height:20px;accent-color:var(--accent)}
.check:has(input:checked){border-color:var(--accent);background:#F2F8F6}
.options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
.opt{position:relative}
.opt input{position:absolute;opacity:0;inset:0}
.opt span{min-height:56px;border-radius:12px;border:1px solid #D5D9D3;background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:13px;font-weight:600;text-align:center;padding:4px;cursor:pointer}
.opt span small{font-weight:400;color:var(--muted);font-size:11px}
.opt input:checked+span{border-color:var(--accent);background:var(--accent-soft)}
.opt input:focus-visible+span{outline:3px solid #2F7F79}
.opt input:disabled+span{background:var(--mute-bg);color:#5F6964;cursor:not-allowed}
.sticky-actions{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:640px;background:#fff;border-top:1px solid var(--line);padding:12px 20px calc(16px + env(safe-area-inset-bottom,0px));display:flex;gap:10px;z-index:20}
/* alerts */
.alert{border-radius:14px;padding:12px 14px;font-size:14px}
.alert.ok{background:var(--accent-soft);color:var(--accent-ink)} .alert.err{background:var(--bad-bg);color:var(--bad)}
.alert.info{background:#EEF0EC;color:#3F4844}
/* key/value */
dl.kv{margin:0}
dl.kv>div{display:flex;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px solid #EEF0EC}
dl.kv>div:last-child{border-bottom:0}
dl.kv dt{color:var(--muted);font-size:14px} dl.kv dd{margin:0;font-weight:600;text-align:right;font-size:14px;overflow-wrap:anywhere}
/* avatar */
.avatar{width:44px;height:44px;border-radius:22px;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700;flex-shrink:0}
.avatar.xs{width:22px;height:22px;font-size:11px}
.person{display:inline-flex;align-items:center;gap:6px;padding:3px 10px 3px 3px;border-radius:999px;background:#F0F2EE;font-size:13px}
/* gallery */
.gallery{display:flex;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;border-radius:22px}
.gallery img{height:220px;min-width:100%;object-fit:cover;scroll-snap-align:center;border-radius:22px;background:#E2E6E0}
.placeholder{height:200px;border-radius:22px;background:#E2E6E0;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:13px}
/* plan + pins */
.plan{position:relative;border-radius:18px;background:var(--plan);border:2px solid transparent;overflow:hidden;aspect-ratio:4/3;touch-action:auto;user-select:none;-webkit-user-select:none}
.plan.editing{border-color:var(--accent);touch-action:none}
.plan>img{width:100%;height:100%;object-fit:cover;pointer-events:none}
.plan .empty-plan{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:#6A6455;font-size:13px;text-align:center;padding:16px;background:repeating-linear-gradient(0deg,transparent 0 31px,#DED9CD 31px 32px),repeating-linear-gradient(90deg,transparent 0 31px,#DED9CD 31px 32px)}
.pin{position:absolute;transform:translate(-50%,-100%);width:44px;height:52px;border:0;background:none;padding:0;display:flex;justify-content:center;cursor:pointer;touch-action:none;text-decoration:none}
.pin span{width:32px;height:32px;border-radius:16px 16px 16px 2px;transform:rotate(-45deg);background:#5B6661;border:2px solid #fff;box-shadow:0 3px 8px #16201C4d;display:flex;align-items:center;justify-content:center}
.pin b{transform:rotate(45deg);color:#fff;font-size:13px}
.pin.on span{background:var(--accent)} .pin.drag span{background:#B45309}
.editing .pin{cursor:grab}
.num-dot{width:22px;height:22px;border-radius:11px;background:#5B6661;color:#fff;font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.num-dot.on{background:var(--accent)}
/* sheet */
.sheet{position:fixed;inset:0;background:#16201C73;display:none;align-items:flex-end;justify-content:center;z-index:50}
.sheet:target,.sheet.open{display:flex}
.sheet .panel{background:#fff;border-radius:24px 24px 0 0;padding:10px 20px calc(24px + env(safe-area-inset-bottom,0px));width:100%;max-width:640px;max-height:92vh;overflow-y:auto;display:flex;flex-direction:column;gap:14px}
.sheet .grab{align-self:center;width:40px;height:5px;border-radius:3px;background:#D5D9D3}
/* bottom nav */
.nav{position:fixed;left:50%;transform:translateX(-50%);bottom:0;width:100%;max-width:640px;height:calc(80px + env(safe-area-inset-bottom,0px));background:#fff;border-top:1px solid var(--line);display:flex;justify-content:space-around;align-items:center;padding:0 8px calc(14px + env(safe-area-inset-bottom,0px));z-index:30}
.nav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:60px;min-height:52px;text-decoration:none;font-size:12px;color:var(--muted)}
.nav a.on{color:var(--accent);font-weight:600}
.nav a.fab{width:56px;height:56px;min-width:56px;border-radius:18px;background:var(--accent);color:#fff;margin-top:-18px;box-shadow:0 6px 16px #0F5F5A40}
.house-card .cover{height:104px;display:flex;align-items:flex-end;justify-content:space-between;padding:12px 14px;position:relative;background:#DCE8E5;background-size:cover;background-position:center}
.house-card .cover.has-img::before{content:"";position:absolute;inset:0;background:linear-gradient(transparent,#0008)}
.house-card .cover.has-img *{color:#fff;position:relative}
.stat{background:#F5F6F3;border-radius:12px;padding:8px 4px;text-align:center}
.stat b{display:block;font-size:18px}
.stat small{font-size:11px;color:var(--muted)}
.stat.warn{background:var(--warn-bg);color:var(--warn)} .stat.warn small{color:var(--warn)}
.empty{text-align:center;padding:40px 12px;color:var(--muted)}
.guest{max-width:460px;margin:0 auto;min-height:100vh;padding:32px 20px;display:flex;flex-direction:column;gap:18px;justify-content:center;background:var(--bg)}
.brand{display:flex;align-items:center;gap:12px}
.brand .mark{width:44px;height:44px;border-radius:14px;background:var(--accent);color:#fff;font-weight:700;font-size:20px;display:flex;align-items:center;justify-content:center}
.timeline{list-style:none;margin:0;padding:0}
.timeline li{display:flex;gap:10px;padding:12px 0;border-bottom:1px solid #EEF0EC}
.timeline li:last-child{border-bottom:0}
.timeline .dot{width:8px;height:8px;border-radius:4px;background:var(--accent);margin-top:7px;flex-shrink:0}
.tile-pick{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.tile{position:relative;display:block}
.tile input{position:absolute;opacity:0}
.tile .box{border-radius:14px;border:2px solid var(--line);background:#fff;padding:6px;display:flex;flex-direction:column;gap:6px;cursor:pointer}
.tile .img{height:72px;border-radius:9px;background:#E3E9E6;overflow:hidden;position:relative;display:flex;align-items:center;justify-content:center;font-size:11px;color:var(--muted)}
.tile .img img{width:100%;height:100%;object-fit:cover}
.tile input:checked+.box{border-color:var(--accent)}
.tile input:focus-visible+.box{outline:3px solid #2F7F79}
.here{position:absolute;top:6px;left:6px;font-size:10px;font-weight:600;padding:2px 6px;border-radius:6px;background:var(--ink);color:#fff}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (min-width:641px){.shell{box-shadow:0 0 0 1px #DDE0DA}}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}