/* Kahera POS — styles.css
   Layout: a cashier's counter — big tappable menu tiles on the left,
   an order "rail" on the right that reads like the slip it will print. */
:root {
  --bg: #eef2ee;
  --surface: #ffffff;
  --surface-2: #e3e9e4;
  --ink: #15201b;
  --muted: #56655d;
  --line: #cfd8d1;
  --accent: #136a48;          /* banana-leaf green */
  --accent-soft: #d8ebe1;
  --accent-ink: #ffffff;
  --gold: #9a5b00;            /* "needs a look" (sold out, short cash) */
  --gold-soft: #f6e7cc;
  --danger: #b42318;
  --danger-soft: #f8dcd8;
  --paper: #fffdf7;
  --paper-ink: #24221d;
  --shadow: 0 1px 2px rgba(21, 32, 27, .06), 0 8px 24px rgba(21, 32, 27, .06);
  --f-display: "Bricolage Grotesque", "Avenir Next", "Segoe UI", system-ui, sans-serif;
  --f-body: "Atkinson Hyperlegible", "Segoe UI", system-ui, -apple-system, sans-serif;
  --f-mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Consolas, monospace;
  --r: 12px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1411; --surface: #141e19; --surface-2: #1b2721; --ink: #e4ece7; --muted: #93a49a;
    --line: #2a3a32; --accent: #43c08a; --accent-soft: #173a2b; --accent-ink: #04140c;
    --gold: #f0a83c; --gold-soft: #3a2b12; --danger: #f2826f; --danger-soft: #3d1b17;
    --paper: #f6f2e6; --paper-ink: #24221d; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1411; --surface: #141e19; --surface-2: #1b2721; --ink: #e4ece7; --muted: #93a49a;
  --line: #2a3a32; --accent: #43c08a; --accent-soft: #173a2b; --accent-ink: #04140c;
  --gold: #f0a83c; --gold-soft: #3a2b12; --danger: #f2826f; --danger-soft: #3d1b17;
  --paper: #f6f2e6; --paper-ink: #24221d; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 8px 24px rgba(0,0,0,.25);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.5 var(--f-body);
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
h1, h2, h3 { font-family: var(--f-display); line-height: 1.15; text-wrap: balance; margin: 0; }
p { margin: 0; }
.mono, .num { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.app { max-width: 1320px; margin: 0 auto; padding-block: 14px 96px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; }
main, .view { min-width: 0; }

/* ---------- Top bar ---------- */
.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; margin-right: auto; }
.brand-mark { width: 40px; height: 40px; flex: none; }
.brand-name { font-family: var(--f-display); font-weight: 800; font-size: 1.35rem; letter-spacing: -.01em; line-height: 1; }
.brand-biz { color: var(--muted); font-size: .82rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tabs { display: flex; gap: 4px; padding: 4px; background: var(--surface-2); border-radius: 999px; }
.tabs button { border: 0; background: transparent; padding: 7px 14px; border-radius: 999px; font-weight: 700; font-size: .92rem; color: var(--muted); display: inline-flex; gap: 6px; align-items: center; }
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
.tabs .count { font-family: var(--f-mono); font-size: .72rem; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 0 6px; }
.top-tools { display: flex; align-items: center; gap: 10px; }
.clock { font-family: var(--f-mono); font-size: .85rem; color: var(--muted); }
.icon-btn { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--line); background: var(--surface); display: grid; place-items: center; }
.icon-btn svg { width: 18px; height: 18px; }

/* ---------- Generic controls ---------- */
.btn { border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 10px 14px; font-weight: 700; transition: transform .12s ease, background .15s ease; }
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: var(--danger); background: transparent; }
.btn.small { padding: 5px 10px; font-size: .85rem; border-radius: 8px; }
.btn.big { padding: 14px 18px; font-size: 1.05rem; }
.seg { display: inline-flex; padding: 3px; gap: 3px; background: var(--surface-2); border-radius: 10px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 8px; font-weight: 700; font-size: .9rem; color: var(--muted); }
.seg button[aria-checked="true"] { background: var(--surface); color: var(--ink); box-shadow: var(--shadow); }
input[type="text"], input[type="search"], input:not([type]), input[inputmode], select {
  border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 9px 12px; min-width: 0; width: 100%;
}
label { font-size: .85rem; font-weight: 700; color: var(--muted); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.eyebrow { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }

/* ---------- Register ---------- */
.view-register { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, 390px); gap: 16px; align-items: start; }
.catalog { display: grid; gap: 12px; min-width: 0; }
.catalog-tools { display: grid; gap: 10px; }
.search input { padding: 12px 14px; font-size: 1rem; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { border: 1px solid var(--line); background: var(--surface); padding: 6px 12px; border-radius: 999px; font-weight: 700; font-size: .88rem; }
.chip[aria-pressed="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.tile {
  position: relative; text-align: left; border: 1px solid var(--line); background: var(--surface);
  border-radius: var(--r); padding: 12px; min-height: 104px; display: flex; flex-direction: column; justify-content: space-between; gap: 8px;
  transition: transform .12s ease, border-color .15s ease, box-shadow .15s ease;
}
.tile:hover { border-color: var(--accent); box-shadow: var(--shadow); }
.tile:active { transform: scale(.97); }
.tile .t-cat { width: 26px; height: 6px; border-radius: 6px; background: var(--c, var(--accent)); }
.tile .t-name { font-weight: 700; line-height: 1.25; }
.tile .t-price { font-family: var(--f-mono); font-variant-numeric: tabular-nums; color: var(--muted); font-size: .92rem; }
.tile .t-qty { position: absolute; top: 8px; right: 8px; min-width: 26px; height: 26px; padding: 0 7px; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font: 700 .8rem/26px var(--f-mono); text-align: center; }
.tile.bump .t-qty { animation: bump .28s ease; }
@keyframes bump { 50% { transform: scale(1.3); } }
.tile[aria-disabled="true"] { opacity: .55; cursor: not-allowed; }
.tile[aria-disabled="true"] .t-price::after { content: " · Sold out"; color: var(--gold); font-weight: 700; }
.empty { padding: 28px; text-align: center; color: var(--muted); border: 1px dashed var(--line); border-radius: var(--r); }

/* Order rail */
.order { position: sticky; top: max(12px, env(safe-area-inset-top, 0px)); display: grid; gap: 12px; padding: 16px; min-width: 0; }
.order-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.order-head h2 { font-size: 1.3rem; }
.order-head h2 .mono { font-size: .85rem; color: var(--muted); font-weight: 500; }
.order-meta { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.table-no { display: inline-flex; align-items: center; gap: 6px; }
.table-no input { width: 4.2em; text-align: center; padding: 6px; }
.lines { list-style: none; margin: 0; padding: 0; display: grid; max-height: 34vh; overflow-y: auto; border-top: 1px dashed var(--line); }
.line { display: grid; grid-template-columns: minmax(0, 1fr) auto auto; gap: 10px; align-items: center; padding: 9px 0; border-bottom: 1px dashed var(--line); }
.line .l-name { font-weight: 700; line-height: 1.25; overflow-wrap: anywhere; }
.line .l-each { display: block; font-family: var(--f-mono); font-size: .78rem; color: var(--muted); font-weight: 400; }
.line .l-amt { font-family: var(--f-mono); font-variant-numeric: tabular-nums; min-width: 6.5ch; text-align: right; }
.stepper { display: inline-flex; align-items: center; border: 1px solid var(--line); border-radius: 999px; overflow: hidden; }
.stepper button { width: 32px; height: 32px; border: 0; background: transparent; font-weight: 700; font-size: 1.05rem; }
.stepper button:hover { background: var(--surface-2); }
.stepper span, .stepper input { min-width: 2ch; text-align: center; font-family: var(--f-mono); font-weight: 700; }
.stepper input { width: 3ch; border: 0; padding: 0; background: transparent; }
.lines .empty { border: 0; padding: 22px 8px; }

.disc { border: 1px solid var(--line); border-radius: 10px; padding: 0; }
.disc summary { cursor: pointer; padding: 10px 12px; font-weight: 700; display: flex; justify-content: space-between; gap: 8px; list-style: none; }
.disc summary::-webkit-details-marker { display: none; }
.disc summary::after { content: "+"; font-family: var(--f-mono); color: var(--muted); }
.disc[open] summary::after { content: "−"; }
.disc-tag { font-family: var(--f-mono); font-size: .78rem; background: var(--accent-soft); color: var(--accent); border-radius: 999px; padding: 1px 8px; margin-left: auto; }
.disc-body { padding: 0 12px 12px; display: grid; gap: 10px; }
.disc-row { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.disc-row label { display: inline-flex; align-items: center; gap: 8px; }
.hint { font-size: .8rem; color: var(--muted); }

.totals { margin: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 4px 0; font-size: .92rem; }
.totals dt { color: var(--muted); }
.totals dd { margin: 0; padding-left: 12px; text-align: right; font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.totals .less { color: var(--accent); }
.totals .small { font-size: .8rem; }
.totals .due { font-family: var(--f-display); font-weight: 800; font-size: 1.15rem; color: var(--ink); padding-top: 8px; border-top: 2px solid var(--ink); margin-top: 4px; }
.totals dd.due { font-family: var(--f-mono); font-size: 1.5rem; }
.order-actions { display: grid; grid-template-columns: auto 1fr; gap: 8px; }

.pay { display: grid; gap: 10px; border-top: 1px dashed var(--line); padding-top: 12px; }
.pay h3 { font-size: 1.05rem; }
.quick { display: flex; flex-wrap: wrap; gap: 6px; }
.quick button { border: 1px solid var(--line); background: var(--surface-2); border-radius: 8px; padding: 6px 10px; font-family: var(--f-mono); font-size: .88rem; }
.quick button:hover { border-color: var(--accent); }
.tender { font-family: var(--f-mono); font-size: 1.35rem !important; text-align: right; }
.change { display: flex; justify-content: space-between; align-items: baseline; padding: 10px 12px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.change b { font-family: var(--f-mono); font-size: 1.35rem; }
.change.short { background: var(--gold-soft); color: var(--gold); }
.err { color: var(--danger); font-size: .88rem; min-height: 1.2em; }

/* Mobile order bar */
.mbar { display: none; }

/* ---------- Order slip (dialog) ---------- */
dialog.slip-dlg { border: 0; padding: 0; background: transparent; max-width: min(380px, calc(100vw - 32px)); width: 100%; }
dialog.slip-dlg::backdrop { background: rgba(10, 16, 13, .55); }
.slip {
  background: var(--paper); color: var(--paper-ink); padding: 22px 20px 26px; font-family: var(--f-mono); font-size: .84rem; line-height: 1.55;
  -webkit-mask: radial-gradient(circle 6px at 50% 100%, transparent 98%, #000) 0 0 / 14px 100% repeat-x;
          mask: radial-gradient(circle 6px at 50% 100%, transparent 98%, #000) 0 0 / 14px 100% repeat-x;
  animation: print .45s cubic-bezier(.2,.8,.2,1);
}
@keyframes print { from { transform: translateY(-14px); opacity: 0; } }
.slip h3 { font-family: var(--f-display); font-size: 1.15rem; text-align: center; color: var(--paper-ink); }
.slip .center { text-align: center; }
.slip .stamp { margin: 8px auto 10px; text-align: center; border: 1.5px dashed var(--paper-ink); padding: 3px 6px; font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.slip hr { border: 0; border-top: 1px dashed rgba(36, 34, 29, .5); margin: 8px 0; }
.slip .row { display: flex; justify-content: space-between; gap: 10px; }
.slip .row span:first-child { overflow-wrap: anywhere; }
.slip .big { font-weight: 700; font-size: 1rem; }
.dlg-actions { display: flex; gap: 8px; justify-content: center; margin-top: 12px; }

/* ---------- Orders / Shift / Menu / About ---------- */
.view-head { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; justify-content: space-between; }
.view-head h2 { font-size: 1.6rem; }
.view-head p { color: var(--muted); }
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .92rem; }
table.data th, table.data td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
table.data th { font-family: var(--f-mono); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
table.data td.num, table.data th.num { text-align: right; }
.pill { display: inline-block; font-size: .75rem; font-weight: 700; padding: 2px 9px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); }
.pill.void { background: var(--danger-soft); color: var(--danger); }
.pill.disc { background: var(--gold-soft); color: var(--gold); }
tr.is-void td { color: var(--muted); }
tr.is-void td.num { text-decoration: line-through; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }

.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 10px; }
.kpi { padding: 14px 16px; display: grid; gap: 2px; }
.kpi b { font-family: var(--f-mono); font-size: 1.5rem; font-variant-numeric: tabular-nums; letter-spacing: -.02em; }
.kpi small { color: var(--muted); font-size: .8rem; }
.shift-grid { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 14px; align-items: start; }
.card-pad { padding: 16px; display: grid; gap: 12px; min-width: 0; }
.card-pad h3 { font-size: 1.05rem; }
.bars { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); align-items: end; gap: 6px; height: 170px; padding-top: 18px; border-bottom: 1px solid var(--line); }
.bar { position: relative; background: var(--accent); border-radius: 6px 6px 0 0; min-height: 2px; }
.bar.zero { background: var(--surface-2); }
.bar span { position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%); font: 500 .65rem var(--f-mono); color: var(--muted); white-space: nowrap; padding-bottom: 2px; }
.bar-labels { display: grid; grid-auto-flow: column; grid-auto-columns: minmax(0, 1fr); gap: 6px; font: .68rem var(--f-mono); color: var(--muted); text-align: center; }
.split { display: grid; gap: 8px; }
.split-row { display: grid; grid-template-columns: 6.5em minmax(0, 1fr) 10.5em; gap: 10px; align-items: center; font-size: .9rem; }
.split-track { height: 10px; border-radius: 10px; background: var(--surface-2); overflow: hidden; }
.split-fill { height: 100%; background: var(--accent); border-radius: 10px; }
.split-row b { text-align: right; font-family: var(--f-mono); font-weight: 500; font-variant-numeric: tabular-nums; }
.actions-row { display: flex; flex-wrap: wrap; gap: 8px; }
.confirm { display: inline-flex; flex-wrap: wrap; align-items: center; gap: 8px; font-size: .88rem; color: var(--danger); font-weight: 700; }

.menu-admin { display: grid; grid-template-columns: minmax(0, 1fr) minmax(260px, 340px); gap: 14px; align-items: start; }
.menu-admin td input, .menu-admin td select { padding: 6px 8px; }
.menu-admin td.price input { width: 7em; text-align: right; font-family: var(--f-mono); }
.form-grid { display: grid; gap: 10px; }
.form-grid > label, .check { display: grid; gap: 4px; }
.check { grid-template-columns: auto 1fr; align-items: center; gap: 8px; color: var(--ink); font-weight: 400; }
.check input { width: 18px; height: 18px; accent-color: var(--accent); }

.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 14px; }
.about .wide { grid-column: 1 / -1; }
.about h3 { font-size: 1.1rem; }
.about p, .about li { max-width: 65ch; }
.about ul { margin: 0; padding-left: 1.2em; display: grid; gap: 4px; }
.about code { font-family: var(--f-mono); font-size: .86em; background: var(--surface-2); padding: .1em .35em; border-radius: 5px; }
.about pre { margin: 0; padding: 12px 14px; background: var(--surface-2); border-radius: 10px; overflow-x: auto; font: .84rem/1.6 var(--f-mono); }
.about a { color: var(--accent); font-weight: 700; }
.lead { font-size: 1.1rem; max-width: 62ch; }

.toast { position: fixed; left: 50%; bottom: calc(88px + env(safe-area-inset-bottom, 0px)); transform: translate(-50%, 20px); opacity: 0; pointer-events: none; background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 999px; font-weight: 700; font-size: .9rem; transition: opacity .2s ease, transform .2s ease; z-index: 30; max-width: calc(100vw - 32px); text-align: center; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

[hidden] { display: none !important; }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .view-register, .shift-grid, .menu-admin, .about { grid-template-columns: minmax(0, 1fr); }
  .order { position: static; }
  .lines { max-height: none; }
  .mbar:not([hidden]) {
    display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 20; align-items: center; gap: 12px;
    padding: 10px max(16px, env(safe-area-inset-right, 0px)) calc(10px + env(safe-area-inset-bottom, 0px)) max(16px, env(safe-area-inset-left, 0px));
    background: var(--surface); border-top: 1px solid var(--line); box-shadow: 0 -6px 20px rgba(0,0,0,.08);
  }
  .mbar .m-sum { flex: 1; min-width: 0; display: grid; line-height: 1.2; }
  .mbar .m-sum small { color: var(--muted); }
  .mbar .m-sum b { font-family: var(--f-mono); font-size: 1.15rem; }
  .mbar a { text-decoration: none; }
}
@media (max-width: 560px) {
  .topbar { gap: 10px; }
  .tabs { order: 3; width: 100%; gap: 2px; }
  .tabs button { flex: 1 1 0; min-width: 0; justify-content: center; padding: 7px 2px; font-size: .8rem; }
  .tabs .count { display: none; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .tile { min-height: 92px; padding: 10px; }
  .view-head h2 { font-size: 1.35rem; }
  .split-row { grid-template-columns: 5em minmax(0, 1fr) 9.5em; font-size: .82rem; }
  .hide-sm { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}