/* ============================================================================
   Kaotom — Business OS design system
   Calm fintech confidence: indigo accent, emerald = money-positive, cool neutrals.
   Dependency-free. Light + dark, both first-class. Tokens are the source of truth.
   Every legacy selector/variable is preserved (app.js + index.html reference them).
   ========================================================================== */

/* ── Tokens ─────────────────────────────────────────────────────────────── */
:root{
  /* accent (indigo) */
  --accent:#3b44c4; --accent-hover:#2f37a6; --accent-ink:#ffffff;
  --accent-weak:#ecedfb; --accent-weak-2:#dfe1f7;
  /* semantic — meaning only, never decoration */
  --good:#0e8f5e; --good-weak:#e2f4ec;
  --warn:#9a6400; --warn-weak:#faf0dc;
  --crit:#b23a2e; --crit-weak:#f9e9e6;
  /* text */
  --ink:#171b26; --ink-2:#39415a; --muted:#565e73; --faint:#8a92a6;
  /* surfaces (cool-biased toward indigo) */
  --bg:#f6f7fb; --surface:#ffffff; --surface-2:#fafbff; --card:#ffffff;
  --line:#e3e6f0; --line-2:#d3d9e8;

  /* legacy aliases — kept so existing rules + inline JS styles never break */
  --brand:var(--accent); --brand-600:var(--accent-hover); --brand-050:var(--accent-weak);
  --pos:var(--good); --pos-050:var(--good-weak);
  --neg:var(--crit); --neg-050:var(--crit-weak);
  --warn-050:var(--warn-weak);

  /* sidebar — a deep indigo rail, dark in both themes (white logo on dark) */
  --sidebar:#14172b; --sidebar-2:#1f2340; --sidebar-ink:#a7adc9;
  --sidebar-active:#262c52; --sidebar-line:#282d4d;

  /* feedback surfaces */
  --toast-bg:#1e2338; --toast-ink:#f4f5fb;

  /* geometry */
  --radius:12px; --radius-sm:8px; --radius-ctl:8px; --r-pill:999px;
  --shadow:0 1px 2px rgba(18,22,40,.05),0 2px 6px rgba(18,22,40,.05);
  --shadow-lg:0 16px 48px rgba(18,22,40,.22);
  --ring:0 0 0 3px rgba(59,68,196,.20);

  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Thai","Sarabun",sans-serif;
  --mono:ui-monospace,"Cascadia Code","Segoe UI Mono",Consolas,monospace;
}

/* Dark theme — applied automatically, unless user forces light via [data-theme] */
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --accent:#8b95ff; --accent-hover:#a2aaff; --accent-ink:#0e1220;
    --accent-weak:#1c2140; --accent-weak-2:#232a4e;
    --good:#34d399; --good-weak:#10281c;
    --warn:#e0a64b; --warn-weak:#332612;
    --crit:#f0857a; --crit-weak:#3a1c18;
    --ink:#e9ecf5; --ink-2:#c3c9db; --muted:#9aa2b8; --faint:#727b95;
    --bg:#0e1220; --surface:#141a29; --surface-2:#171e30; --card:#141a29;
    --line:#232b42; --line-2:#2e3752;
    --toast-bg:#232a42;
    --shadow:0 1px 2px rgba(0,0,0,.35),0 2px 8px rgba(0,0,0,.30);
    --shadow-lg:0 22px 60px rgba(0,0,0,.55);
    --ring:0 0 0 3px rgba(139,149,255,.28);
  }
}
/* Explicit override hook (optional; equal-care dark values) */
:root[data-theme="dark"]{
  --accent:#8b95ff; --accent-hover:#a2aaff; --accent-ink:#0e1220;
  --accent-weak:#1c2140; --accent-weak-2:#232a4e;
  --good:#34d399; --good-weak:#10281c;
  --warn:#e0a64b; --warn-weak:#332612;
  --crit:#f0857a; --crit-weak:#3a1c18;
  --ink:#e9ecf5; --ink-2:#c3c9db; --muted:#9aa2b8; --faint:#727b95;
  --bg:#0e1220; --surface:#141a29; --surface-2:#171e30; --card:#141a29;
  --line:#232b42; --line-2:#2e3752;
  --toast-bg:#232a42;
  --shadow:0 1px 2px rgba(0,0,0,.35),0 2px 8px rgba(0,0,0,.30);
  --shadow-lg:0 22px 60px rgba(0,0,0,.55);
  --ring:0 0 0 3px rgba(139,149,255,.28);
}

/* ── Base ───────────────────────────────────────────────────────────────── */
*{box-sizing:border-box}
html,body{margin:0;height:100%;overflow-x:hidden}
body{
  font-family:var(--font);background:var(--bg);color:var(--ink);
  font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;color:inherit}
h1,h2,h3{margin:0;letter-spacing:-.01em}
.num,.mono,.stat .v,.bal-chip .v,.totes,td.r,th.r{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}
.mono{font-family:var(--mono)}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
::selection{background:var(--accent-weak-2);color:var(--ink)}

/* ── Layout ─────────────────────────────────────────────────────────────── */
.app{display:grid;grid-template-columns:236px 1fr;min-height:100vh}
.sidebar{
  background:var(--sidebar);color:var(--sidebar-ink);padding:18px 14px;
  display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh;
  border-right:1px solid var(--sidebar-line);
}
.brand{display:flex;align-items:center;gap:11px;padding:6px 8px 20px;color:#fff}
.brand .logo{
  width:32px;height:32px;border-radius:9px;flex:none;
  background:linear-gradient(150deg,#5b63e6,#3b44c4);
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:17px;
  box-shadow:0 2px 8px rgba(59,68,196,.45),inset 0 1px 0 rgba(255,255,255,.25);
}
.brand .name{font-weight:700;font-size:16px;letter-spacing:-.01em}
.brand .name small{display:block;font-size:9.5px;font-weight:600;color:#6f76a0;letter-spacing:.14em;margin-top:2px}
.nav{display:flex;flex-direction:column;gap:2px;margin-top:4px}
.nav-short{display:none}
.nav a{
  display:flex;align-items:center;gap:11px;padding:9px 11px;border-radius:9px;
  color:var(--sidebar-ink);font-weight:500;font-size:13.5px;
  position:relative;transition:background .14s,color .14s;
}
.nav a svg{width:18px;height:18px;opacity:.8;flex:none}
.nav a:hover{background:var(--sidebar-2);color:#fff}
.nav a:hover svg{opacity:1}
.nav a.active{background:var(--sidebar-active);color:#fff;font-weight:600}
.nav a.active svg{opacity:1;color:#aab2ff}
.nav a.active::before{
  content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:0 3px 3px 0;background:#8b95ff;
}
.side-foot{
  margin-top:auto;font-size:11px;color:#6f76a0;padding:12px 10px 2px;
  border-top:1px solid var(--sidebar-line);line-height:1.6;
}
.side-foot a{color:var(--sidebar-ink);transition:color .14s}
.side-foot a:hover{color:#fff}

.main{min-width:0;display:flex;flex-direction:column}
.topbar{
  background:color-mix(in srgb,var(--surface) 82%,transparent);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);padding:13px 28px;
  display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:20;
}
.topbar h1{font-size:19px;font-weight:700}
.topbar .spacer{flex:1}
.bizswitch{display:flex;align-items:center;gap:8px}
select.biz{
  appearance:none;border:1px solid var(--line-2);border-radius:var(--radius-ctl);
  padding:8px 32px 8px 12px;font-size:13.5px;font-weight:600;color:var(--ink);cursor:pointer;
  background:var(--surface) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23565e73' stroke-width='2.2'><path d='M6 9l6 6 6-6'/></svg>") no-repeat right 11px center;
  transition:border-color .14s,box-shadow .14s;
}
select.biz:hover{border-color:var(--faint)}
select.biz:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
.bal-chip{display:flex;flex-direction:column;align-items:flex-end;line-height:1.15;padding-left:8px;border-left:1px solid var(--line)}
.bal-chip .k{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-weight:600}
.bal-chip .v{font-size:16px;font-weight:700}
.content{padding:26px 28px 64px;max-width:1200px;width:100%}

/* ── Buttons ────────────────────────────────────────────────────────────── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  border:1px solid transparent;border-radius:var(--radius-ctl);
  padding:9px 15px;min-height:38px;font-size:13.5px;font-weight:600;
  cursor:pointer;white-space:nowrap;transition:background .14s,border-color .14s,box-shadow .14s,color .14s;
}
.btn svg{width:16px;height:16px;flex:none}
.btn.primary{background:var(--accent);color:var(--accent-ink);box-shadow:0 1px 2px rgba(18,22,40,.12)}
.btn.primary:hover{background:var(--accent-hover)}
.btn.primary:active{transform:translateY(.5px)}
.btn.ghost{background:var(--surface);border-color:var(--line-2);color:var(--ink-2)}
.btn.ghost:hover{border-color:var(--faint);background:var(--surface-2);color:var(--ink)}
.btn.danger{background:var(--crit);color:#fff}
.btn.danger:hover{filter:brightness(.94)}
.btn.sm{padding:6px 11px;min-height:32px;font-size:12.5px;border-radius:7px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ── Cards & grid ───────────────────────────────────────────────────────── */
.grid{display:grid;gap:18px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);min-width:0;
}
/* wide tables scroll inside their own container, never the page body */
.card:has(> table){overflow-x:auto}
.card .bd:has(> table){overflow-x:auto}
.card .hd{display:flex;align-items:center;gap:10px;padding:15px 18px;border-bottom:1px solid var(--line)}
.card .hd h2{font-size:14px;font-weight:700}
.card .hd .sub{font-size:12px;color:var(--muted);margin-left:auto;text-align:right}
.card .bd{padding:18px}
.card .bd.tight{padding:6px 4px}

/* stat / metric tiles */
.stat{padding:18px}
.stat .k{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.stat .v{font-size:27px;font-weight:800;margin-top:9px;letter-spacing:-.02em;line-height:1.1}
.stat .v.pos{color:var(--good)} .stat .v.neg{color:var(--crit)}
.stat .cap{font-size:12px;color:var(--muted);margin-top:5px}

/* ── Alert banner ───────────────────────────────────────────────────────── */
.banner{display:flex;align-items:center;gap:12px;padding:15px 18px;border-radius:var(--radius);font-weight:600;font-size:14px;margin-bottom:18px;border:1px solid transparent}
.banner svg{width:20px;height:20px;flex:none}
.banner b{font-weight:800}
.banner.bad{background:var(--crit-weak);color:var(--crit);border-color:color-mix(in srgb,var(--crit) 30%,transparent)}
.banner.good{background:var(--good-weak);color:var(--good);border-color:color-mix(in srgb,var(--good) 28%,transparent)}
.banner.bad svg,.banner.good svg{color:inherit}

/* ── Tables ─────────────────────────────────────────────────────────────── */
table{width:100%;border-collapse:collapse}
thead th{text-align:left;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:600;padding:11px 14px;border-bottom:1px solid var(--line);white-space:nowrap;background:var(--surface-2)}
tbody td{padding:12px 14px;border-bottom:1px solid var(--line);font-size:13.5px}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--surface-2)}
td.r,th.r{text-align:right}

/* pills — text + color, never color alone */
.pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);text-transform:capitalize;line-height:1.5;white-space:nowrap;border:1px solid transparent}
.pill.draft{background:color-mix(in srgb,var(--muted) 14%,transparent);color:var(--muted)}
.pill.sent{background:var(--accent-weak);color:var(--accent-hover)}
.pill.paid{background:var(--good-weak);color:var(--good)}
.pill.overdue{background:var(--crit-weak);color:var(--crit)}
.pill.partial{background:var(--warn-weak);color:var(--warn)}
.pill.credit{background:var(--accent-weak);color:var(--accent-hover)}
.pill.room{background:var(--accent-weak);color:var(--accent-hover)}
.pill.good{background:var(--warn-weak);color:var(--warn)}
.pill.service{background:color-mix(in srgb,var(--good) 14%,transparent);color:var(--good)}
.tag{font-size:11px;color:var(--muted);background:color-mix(in srgb,var(--muted) 12%,transparent);padding:2px 8px;border-radius:6px;font-weight:500}

/* ── Forms & modal ──────────────────────────────────────────────────────── */
label{display:block;font-size:12px;font-weight:600;color:var(--ink-2);margin-bottom:6px}
input,select,textarea{
  width:100%;font-family:inherit;font-size:14px;padding:9px 11px;
  border:1px solid var(--line-2);border-radius:var(--radius-ctl);
  background:var(--surface);color:var(--ink);transition:border-color .14s,box-shadow .14s;
}
input::placeholder,textarea::placeholder{color:var(--faint)}
input:hover,select:hover,textarea:hover{border-color:var(--faint)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);box-shadow:var(--ring)}
input[type=number]{font-variant-numeric:tabular-nums}
/* Checkboxes and radios are not text fields. The rule above is for things you type into;
   applied to a checkbox it stretched the box to 100% width with padding, a border and a
   background — which is what broke the Settings → Modules rows, where the inflated
   checkbox pushed its own label off the end of the row. */
input[type=checkbox],input[type=radio]{
  width:auto;min-width:0;padding:0;border:none;background:none;
  accent-color:var(--accent);cursor:pointer;
}
input[type=checkbox]:hover,input[type=radio]:hover{border:none}
.field{margin-bottom:14px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
code{font-family:var(--mono);font-size:12px;background:var(--surface-2);border:1px solid var(--line);padding:2px 6px;border-radius:6px;color:var(--ink-2)}

.overlay{position:fixed;inset:0;background:rgba(10,13,24,.5);display:grid;place-items:center;padding:24px;z-index:100;backdrop-filter:blur(3px);animation:fade .16s ease}
.modal{background:var(--surface);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow-lg);width:100%;max-width:640px;max-height:90vh;display:flex;flex-direction:column;overflow:hidden;animation:pop .18s cubic-bezier(.2,.8,.3,1)}
.modal.wide{max-width:820px}
.modal .mhd{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;align-items:center}
.modal .mhd h2{font-size:16px;font-weight:700}
.modal .mbd{padding:22px;overflow:auto}
.modal .mft{padding:16px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px;background:var(--surface-2)}
.xclose{margin-left:auto;background:none;border:0;font-size:22px;color:var(--muted);cursor:pointer;line-height:1;width:30px;height:30px;border-radius:7px;transition:background .14s,color .14s}
.xclose:hover{background:var(--surface-2);color:var(--ink)}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.985)}to{opacity:1;transform:none}}

/* line-item editor */
.li-row{display:grid;grid-template-columns:1fr 70px 100px 70px 100px 30px;gap:8px;align-items:center;margin-bottom:8px}
.li-row .amt{text-align:right;font-weight:600;padding:9px 4px}
.li-head{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em}
.li-del{background:none;border:0;color:var(--faint);cursor:pointer;font-size:18px;line-height:1;border-radius:6px;transition:color .14s,background .14s}
.li-del:hover{color:var(--crit);background:var(--crit-weak)}
.totes{margin-top:14px;border-top:1px dashed var(--line-2);padding-top:12px;margin-left:auto;width:260px}
.totes .t{display:flex;justify-content:space-between;padding:3px 0;font-size:13.5px}
.totes .t.grand{font-weight:800;font-size:16px;border-top:1px solid var(--line);margin-top:6px;padding-top:8px}

/* receipt capture */
.drop{border:1.5px dashed var(--line-2);border-radius:var(--radius);padding:28px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .14s,background .14s,color .14s}
.drop svg{width:26px;height:26px;color:var(--faint)}
.drop:hover{border-color:var(--accent);background:var(--accent-weak);color:var(--accent-hover)}
.drop:hover svg{color:var(--accent)}
.preview-img{max-width:100%;max-height:220px;border-radius:10px;border:1px solid var(--line);margin-top:12px}
/* Documents (receipt archive) */
.doc-thumb{width:40px;height:40px;object-fit:cover;border-radius:8px;border:1px solid var(--line);display:block}
.doc-thumb-icon{display:flex;align-items:center;justify-content:center;font-size:18px;background:var(--accent-weak);border-color:transparent}
.doc-split{display:grid;grid-template-columns:minmax(200px,320px) 1fr;gap:18px;align-items:start}
.doc-img-pane{border:1px solid var(--line);border-radius:10px;overflow:auto;max-height:480px;min-height:120px;display:flex;align-items:center;justify-content:center;background:var(--bg)}
.doc-img-pane img{width:100%;display:block}
@media (max-width:760px){.doc-split{grid-template-columns:1fr}.doc-img-pane{max-height:260px}}

/* toast — success auto-dismisses, error persists (behavior is in JS) */
.toasts{position:fixed;bottom:22px;right:22px;display:flex;flex-direction:column;gap:10px;z-index:200}
.toast{
  background:var(--toast-bg);color:var(--toast-ink);padding:12px 15px;border-radius:10px;
  font-size:13.5px;font-weight:500;box-shadow:var(--shadow-lg);max-width:340px;
  border-left:3px solid var(--faint);animation:slidein .2s ease;
}
.toast.ok{border-left-color:var(--good)}
.toast.err{border-left-color:var(--crit)}
@keyframes slidein{from{transform:translateY(10px);opacity:0}to{transform:none;opacity:1}}

/* misc */
.muted{color:var(--muted)} .small{font-size:12px} .b{font-weight:700}
.section-title{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:700;margin:2px 0 12px}
.empty{padding:44px 24px;text-align:center;color:var(--muted);font-size:13.5px;line-height:1.6}
.empty.small{padding:26px 16px}
.spin{width:18px;height:18px;border:2px solid var(--line-2);border-top-color:var(--accent);border-radius:50%;display:inline-block;animation:sp .7s linear infinite;vertical-align:-3px}
@keyframes sp{to{transform:rotate(360deg)}}
.seg{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-ctl);padding:3px;gap:2px}
.seg button{border:0;background:none;padding:6px 14px;border-radius:6px;font-size:13px;font-weight:600;color:var(--muted);cursor:pointer;transition:background .14s,color .14s}
.seg button:hover{color:var(--ink)}
.seg button.on{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(18,22,40,.12)}

/* invoice document (detail modal + print) */
.doc{border:1px solid var(--line);border-radius:12px;padding:26px;background:var(--surface)}
.doc .doc-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}
.doc .doc-biz{font-size:19px;font-weight:800}
.doc .doc-no{font-size:13px;color:var(--muted);text-align:right;line-height:1.7}
.doc table{margin:14px 0}
.doc .doc-total{display:flex;justify-content:flex-end}
/* PromptPay QR — the SVG carries fixed width/height attrs; force it to fit its box.
   White backing + padding keeps it scannable on the dark theme too. */
.doc .doc-pay{flex-wrap:wrap}
.pp-qr{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px}
.pp-qr svg{display:block;width:100%;height:100%}
.rowlink{cursor:pointer}
.rowlink:hover td:first-child{color:var(--accent-hover)}

/* owed list */
.owe-row{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--line)}
.owe-row:last-child{border-bottom:0}
.owe-row .who{flex:1;min-width:0}
.owe-row .who .nm{font-weight:600;font-size:13.5px}
.owe-row .who .due{font-size:11.5px;color:var(--muted)}
.owe-row .due.over{color:var(--crit);font-weight:600}

/* quick actions */
.qa{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}

/* ── Command palette (Ctrl+K) ───────────────────────────────────────────── */
.searchbtn{
  display:inline-flex;align-items:center;gap:8px;margin-right:12px;
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius-ctl);
  padding:7px 12px;font-size:13px;color:var(--muted);cursor:pointer;
  transition:border-color .14s,color .14s;
}
.searchbtn:hover{border-color:var(--faint);color:var(--ink)}
.searchbtn svg{width:15px;height:15px}
.searchbtn-hint{font-size:10.5px;font-weight:600;border:1px solid var(--line-2);border-radius:5px;padding:1px 6px;color:var(--faint)}
.modal.cmdk{max-width:560px;align-self:start;margin-top:9vh}
.cmdk-input{
  border:0;border-bottom:1px solid var(--line);border-radius:0;
  padding:16px 20px;font-size:15px;background:transparent;
}
.cmdk-input:focus{box-shadow:none;border-color:var(--line)}
.cmdk-list{max-height:54vh;overflow:auto;padding:6px}
.cmdk-sec{font-size:10.5px;text-transform:uppercase;letter-spacing:.07em;color:var(--faint);font-weight:700;padding:10px 12px 4px}
.cmdk-row{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:9px 12px;border-radius:8px;cursor:pointer;font-size:13.5px;font-weight:500;
}
.cmdk-row.sel{background:var(--accent-weak);color:var(--accent-hover)}
.cmdk-row .cmdk-hint{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cmdk-row.sel .cmdk-hint{color:inherit;opacity:.75}
@media(max-width:760px){.searchbtn-hint{display:none}}

/* ── Print ──────────────────────────────────────────────────────────────── */
@media print{
  body>.app,.toasts,#modalRoot{display:none!important}
  .print-doc{display:block!important;font-family:var(--font)}
  @page{margin:18mm}
}
.print-doc{display:none}

/* ── Motion preferences ─────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
}

/* ── Responsive ─────────────────────────────────────────────────────────── */
@media(max-width:1080px){
  .g4{grid-template-columns:1fr 1fr}
}
@media(max-width:760px){
  /* sidebar becomes a thumb-reachable bottom tab bar (CSS-only; hash links need no JS) */
  .app{grid-template-columns:1fr}
  .sidebar{
    position:fixed;left:0;right:0;bottom:0;top:auto;height:auto;width:100%;
    flex-direction:row;gap:2px;padding:6px 8px calc(6px + env(safe-area-inset-bottom));
    border-right:0;border-top:1px solid var(--sidebar-line);z-index:50;
    box-shadow:0 -6px 24px rgba(0,0,0,.18);
  }
  .brand,.side-foot{display:none}
  .nav-full{display:none}
  .nav-short{display:block}
  /* 9 tabs don't fit a phone — the bar scrolls sideways instead of crushing them.
     flex-start (not space-around): centering an overflowing flexbox clips both ends
     and makes the first/last tabs unreachable — the exact bug this fixes. */
  .nav{flex-direction:row;flex:1;justify-content:flex-start;margin:0;gap:2px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;overscroll-behavior-x:contain}
  .nav::-webkit-scrollbar{display:none}
  .nav a{flex-direction:column;gap:4px;font-size:10px;font-weight:600;padding:6px 6px;min-height:48px;flex:0 0 auto;min-width:62px;white-space:nowrap;text-align:center;justify-content:center}
  .nav a svg{width:20px;height:20px;opacity:.9}
  .nav a.active::before{display:none}
  .nav a.active{background:transparent;color:#aab2ff}
  .topbar{padding:12px 16px}
  .content{padding:18px 16px 96px}          /* clear the bottom bar */
  .g2,.g3,.g4{grid-template-columns:1fr}
  .row2,.row3{grid-template-columns:1fr}
  .overlay{padding:12px;place-items:end center}
  .modal{max-height:94vh}
  .card .hd{flex-wrap:wrap}
  .card .hd .sub{margin-left:0;text-align:left;flex-basis:100%}
  .btn{min-height:44px}                       /* WCAG touch target */
  .toasts{left:12px;right:12px;bottom:calc(70px + env(safe-area-inset-bottom))}
  .toast{max-width:none}
  /* line-item editor: description gets its own row, numbers share the second */
  .li-row{grid-template-columns:1fr 1fr 1fr 1fr 30px}
  .li-row>input:first-child{grid-column:1/-1}
  .li-head{display:none}
}

/* Meter sheet — a flagged row needs to be findable while scanning 40 rooms, but the
   warning itself sits on its own line so the numbers stay aligned. */
tr.mwarn td { border-bottom: none; }
tr.mwarnrow td { padding-top: 0; padding-bottom: 10px; }
.mIn { width: 88px; padding: 6px 8px; border: 1px solid var(--line); border-radius: 8px;
       font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; background: var(--card); color: var(--ink); }
.mIn:focus { outline: none; border-color: var(--brand); box-shadow: 0 0 0 3px color-mix(in srgb, var(--brand) 18%, transparent); }
.mOverride { border-style: dashed; }

/* Module toggles — a row that reads as one clickable statement, not a bare checkbox. */
.modrow { display:flex; gap:12px; align-items:flex-start; padding:12px; border:1px solid var(--line);
          border-radius:10px; margin-bottom:8px; cursor:pointer; }
.modrow:hover { border-color: var(--line-2); background: var(--surface-2); }
.modrow input { margin-top:3px; flex:0 0 auto; }

/* ── Rental receipt (ใบเสร็จรับเงิน) ─────────────────────────────────────────
   Forced to a light palette even in dark mode: this is a document that gets printed
   and handed to a tenant, not a screen. */
.rc-doc{position:relative;background:#fff;color:#111;padding:28px 32px;border:1px solid #e3e6f0;border-radius:10px;
        font-size:13px;line-height:1.55;max-width:760px;margin:0 auto}
.rc-copy{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(-30deg);font-size:110px;font-weight:900;
         color:rgba(220,38,38,.08);letter-spacing:8px;pointer-events:none;user-select:none;white-space:nowrap}
.rc-head{text-align:center;border-bottom:2.5px solid #111;padding-bottom:14px;margin-bottom:18px;position:relative;z-index:1}
.rc-b1{font-size:21px;font-weight:700}
.rc-sub{font-size:12px;color:#555;margin-top:2px}
.rc-title{font-size:19px;font-weight:700;margin-top:8px}
.rc-info{display:flex;justify-content:space-between;gap:16px;margin-bottom:16px;position:relative;z-index:1}
.rc-no{font-size:14px;font-weight:700}
.rc-paid{color:#16a34a;font-weight:600;font-size:12px}
.rc-tbl{width:100%;border-collapse:collapse;position:relative;z-index:1}
.rc-tbl th{padding:8px 10px;font-size:12px;font-weight:700;background:#f9fafb;color:#374151;
           border-top:1px solid #d1d5db;border-bottom:1px solid #d1d5db}
.rc-tbl td{padding:7px 10px;border-bottom:1px solid #f3f4f6}
.rc-tbl .r{text-align:right}
.rc-tbl .muted{color:#6b7280}
.rc-tbl tbody td:last-child{font-weight:600}
.rc-disc td{color:#dc2626}
.rc-tbl tfoot td{padding:10px;font-weight:700;border-top:2px solid #111;background:#f9fafb;font-size:14px}
.rc-tbl tfoot td:last-child{font-size:18px;text-align:right}
.rc-sig{display:flex;justify-content:flex-end;margin-top:38px;position:relative;z-index:1}
.rc-sigline{border-top:1px solid #9ca3af;padding-top:6px;font-size:12px;color:#6b7280;width:200px;text-align:center}
/* One receipt per sheet so a month's batch can be handed out individually. */
.rc-page{break-after:page;page-break-after:always}
.rc-page:last-child{break-after:auto;page-break-after:auto}
@media print{
  .rc-doc{border:none;border-radius:0;padding:0;max-width:none}
}