/* Nepal Grocery POS — cashier screen.
   Primary: Lenovo Chromebook Duet (landscape, touch).
   Secondary: iPhone 13 (390pt) and iPhone 13 Pro Max (428pt), Safari. */

* { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }

:root {
  --panel: #ffffff;
  --ink: #0f172a;          /* slate-900 */
  --header: #0f172a;       /* dark app header (redesign) */
  --muted: #64748b;        /* slate-500 */
  --accent: #2563eb;       /* blue-600 */
  --accent-dark: #1d4ed8;  /* blue-700 */
  --accent-soft: #eff6ff;  /* blue-50 */
  --brand: #16a34a;        /* green-600 — primary action colour (redesign) */
  --brand-dark: #15803d;   /* green-700 */
  --brand-soft: #f0fdf4;   /* green-50 */
  --green: #059669;        /* emerald-600 */
  --green-dark: #047857;   /* emerald-700 */
  --green-soft: #ecfdf5;   /* emerald-50 */
  --red: #dc2626;          /* red-600 */
  --red-soft: #fef2f2;     /* red-50 */
  --amber: #ea580c;        /* orange-600 */
  --amber-dark: #c2410c;   /* orange-700 */
  --border: #e2e8f0;       /* slate-200 */
  --radius: 14px;
  --radius-sm: 10px;
  --touch: 56px; /* minimum touch target */
  --shadow-sm: 0 1px 2px rgba(15,23,42,.06), 0 1px 3px rgba(15,23,42,.08);
  --shadow-md: 0 4px 14px rgba(15,23,42,.08), 0 2px 6px rgba(15,23,42,.05);
  --shadow-lg: 0 18px 45px rgba(15,23,42,.28);
}

html, body {
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: #f4f6f8;
  color: var(--ink);
  font-size: 18px;
  -webkit-font-smoothing: antialiased;
}

.layout {
  display: flex;
  gap: 14px;
  padding: 14px;
  height: 100vh;
  height: 100dvh;
}

/* ---- Controls column ---- */

.controls {
  flex: 1.3;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
  overflow-y: auto;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--header);
  border: none;
  border-radius: 14px;
  box-shadow: var(--shadow-md);
}
.app-header-main { min-width: 0; display: flex; flex-direction: column; gap: 2px; }
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* Green "K" logo block — drawn in CSS (emoji are unreliable on the shop devices). */
.brand::before {
  content: "K";
  flex-shrink: 0;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--brand);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.05rem;
  font-weight: 800;
}
.header-datetime {
  font-size: 0.85rem;
  font-weight: 600;
  color: #94a3b8;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.header-actions { display: flex; align-items: center; gap: 8px; }
.admin-link, .lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 40px;
  padding: 0 16px;
  border: 1px solid #334155;
  border-radius: 999px;
  background: transparent;
  color: #e2e8f0;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: background .15s;
}
.admin-link:hover, .lang-toggle:hover { background: #1e293b; }
.admin-link:active, .lang-toggle:active { background: #334155; }

.top-row {
  display: flex;
  gap: 10px;
}

.btn {
  min-height: var(--touch);
  border: none;
  border-radius: var(--radius);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  color: #fff;
  padding: 0 18px;
  box-shadow: var(--shadow-sm);
  transition: transform .05s ease, filter .15s ease, box-shadow .15s ease;
}
.btn:hover { filter: brightness(1.05); }
.btn:active { transform: translateY(1px); filter: brightness(0.92); }
.btn:disabled { opacity: 0.5; box-shadow: none; cursor: default; transform: none; filter: none; }

.btn-scan {
  background: linear-gradient(180deg, #22c55e, var(--brand-dark));
  flex-shrink: 0;
}

#search-input {
  flex: 1;
  min-width: 0;
  min-height: var(--touch);
  font-size: 1.2rem;
  padding: 0 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-sm);
}
#search-input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(22,163,74,.18);
}

.search-results {
  list-style: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.search-results li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  min-height: var(--touch);
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  font-size: 1.15rem;
  transition: background .12s;
}
.search-results li:last-child { border-bottom: none; }
.search-results li:hover { background: #f8fafc; }
.search-results li:active { background: var(--accent-soft); }
.search-results .result-price { font-weight: 700; white-space: nowrap; color: var(--brand); margin-left: auto; }
/* Optional product photo (margin-left:auto on the price keeps it right-aligned). */
.result-thumb {
  width: 44px; height: 44px; flex-shrink: 0;
  object-fit: cover; border-radius: 8px; background: #f1f5f9;
}
.search-results .no-results { color: var(--muted); cursor: default; }
/* "Not found — tap to add" is an action, so make it look tappable. */
.search-results .add-not-found { color: var(--brand); font-weight: 700; cursor: pointer; }
.search-results .add-not-found::before { content: "+ "; }

.quick-taps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 12px;
}
.quick-taps .tap {
  min-height: 120px;
  border: none;
  border-radius: 18px;
  color: #fff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 10px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform .06s ease, filter .15s ease, box-shadow .15s ease;
}
.quick-taps .tap:hover { filter: brightness(1.04); box-shadow: var(--shadow-lg); transform: translateY(-1px); }
.quick-taps .tap:active { transform: translateY(1px) scale(0.99); filter: brightness(0.93); }
/* Type-colour coding stays (weighed=green, LPG=orange, pinned=indigo — decision 17),
   tuned to the redesign palette. */
.quick-taps .tap-weighed { background: linear-gradient(155deg, #22c55e, var(--brand-dark)); }
.quick-taps .tap-lpg { background: linear-gradient(155deg, #fb923c, var(--amber-dark)); }
.quick-taps .tap-pinned { background: linear-gradient(155deg, #6366f1, #4338ca); }
/* Media square on each tile: an emoji icon (weighed category), a product photo,
   or a letter fallback — so tiles look consistent with or without a photo. */
.tap-media {
  width: 54px; height: 54px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  background: rgba(255,255,255,0.22);
  border: 1px solid rgba(255,255,255,0.4);
  box-shadow: inset 0 1px 2px rgba(255,255,255,0.25);
  font-size: 1.7rem; line-height: 1;
  font-weight: 800; color: #fff;
  overflow: hidden;
}
.tap-media-img { width: 100%; height: 100%; object-fit: cover; }
/* No-photo tiles (weighed categories, products without a picture): a solid
   white badge with a dark initial — always renders, high contrast, and matches
   the white photo squares so the grid stays uniform. */
.tap-media.letter { background: #fff; color: #0f172a; border-color: rgba(255,255,255,.85); }
/* Category tiles carry a white icon badge; the glyph takes the tile's colour. */
.tap-media.icon { background: #fff; border-color: rgba(255,255,255,.85); }
.tap-media svg { width: 30px; height: 30px; display: block; }
.tap-weighed .tap-media.icon { color: var(--brand-dark); }
.tap-lpg .tap-media.icon { color: #b45309; }
.tap-name {
  font-size: 1.05rem; font-weight: 800; line-height: 1.15; max-width: 100%;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.tap-sub { font-size: 0.85rem; font-weight: 600; opacity: 0.9; }

.btn-quick-add {
  background: var(--panel);
  color: var(--muted);
  border: 2px dashed #cbd5e1;
  font-weight: 700;
  box-shadow: none;
}
.btn-quick-add:hover { background: #f8fafc; color: var(--ink); filter: none; }

/* ---- Bill column ---- */

.bill {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-md);
  min-width: 0;
  overflow: hidden;
}

.bill-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 18px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.bill-title-left { display: flex; align-items: center; gap: 8px; min-width: 0; }
.bill-count {
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 0.75rem;
  padding: 3px 9px;
  border-radius: 999px;
  white-space: nowrap;
}
.btn-clear-bill {
  min-height: 36px;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--red);
  font-weight: 700;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background .12s;
}
.btn-clear-bill:hover:not(:disabled) { background: var(--red-soft); }
.btn-clear-bill:disabled { color: var(--muted); opacity: 0.45; cursor: default; }

.confirm-text { font-size: 1.2rem; text-align: center; padding: 6px 0; }
.confirm-text strong { display: block; font-size: 1.9rem; margin-top: 6px; color: var(--ink); letter-spacing: -0.02em; }

.bill-lines {
  list-style: none;
  flex: 1;
  overflow-y: auto;
}
.bill-lines li {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 14px;
  border-bottom: 1px solid #f1f5f9;
}
.bill-line-info { flex: 1; min-width: 0; }
.bill-line-name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bill-line-detail { font-size: 0.85rem; color: var(--muted); }
.bill-line-total { font-weight: 700; white-space: nowrap; }
.bill-line-thumb {
  width: 42px; height: 42px; flex-shrink: 0;
  object-fit: cover; border-radius: 9px; background: #f1f5f9;
}
/* Quantity stepper on piece lines (redesign): − / qty / + */
.bill-line-stepper { display: flex; align-items: center; gap: 4px; flex-shrink: 0; }
.bill-step {
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: #475569;
  font-size: 1.15rem;
  font-weight: 800;
  cursor: pointer;
  transition: background .12s;
}
.bill-step:hover { background: #f8fafc; }
.bill-step:active { background: #eef2f7; }
.bill-step-qty { min-width: 26px; text-align: center; font-weight: 800; font-size: 1rem; }
.bill-line-remove {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: #cbd5e1;
  font-size: 1.35rem;
  font-weight: 800;
  cursor: pointer;
  transition: background .12s, color .12s;
}
.bill-line-remove:hover { background: var(--red-soft); color: var(--red); }

.bill-footer {
  border-top: 1px solid var(--border);
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: #fbfcfe;
}
.bill-total-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 1.2rem;
  color: var(--muted);
}
.bill-total-row strong { font-size: 1.9rem; color: var(--ink); letter-spacing: -0.02em; }
.btn-new-sale {
  background: linear-gradient(180deg, #22c55e, var(--brand-dark));
  font-size: 1.3rem;
  min-height: 66px;
  box-shadow: 0 4px 12px rgba(22,163,74,.25);
}

/* ---- Modals ---- */

.modal {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 50;
}
.modal[hidden] { display: none; }

.modal-box {
  background: var(--panel);
  border-radius: 18px;
  padding: 22px;
  width: 100%;
  max-width: 420px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-height: 95dvh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}
.modal-box h3 { font-size: 1.3rem; letter-spacing: -0.01em; }

.modal-actions { display: flex; gap: 10px; }
.modal-actions .btn { flex: 1; }
.btn-cancel { background: #64748b; }
.btn-danger-solid { background: var(--red); }

/* Duplicate warning — deliberately loud so staff notice before adding a copy */
.dup-title { color: var(--amber); font-size: 1.5rem; }
.dup-existing {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--ink);
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: var(--radius);
  padding: 12px 14px;
}
.btn-ok { background: linear-gradient(180deg, #22c55e, var(--brand-dark)); }

/* Weight pad */
.weight-display {
  font-size: 2rem;
  font-weight: 800;
  text-align: center;
  padding: 14px;
  background: var(--green-soft);
  border: 1px solid #a7f3d0;
  border-radius: var(--radius);
  color: var(--green-dark);
}
.weight-line-total { display: block; font-size: 1.1rem; color: var(--green); margin-top: 4px; }

.numpad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.numpad button {
  min-height: 64px;
  font-size: 1.5rem;
  font-weight: 700;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #f8fafc;
  color: var(--ink);
  cursor: pointer;
  transition: background .1s, transform .05s;
}
.numpad button:hover { background: #eef2f7; }
.numpad button:active { background: #e2e8f0; transform: translateY(1px); }

/* Variety picker */
.variety-list { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.variety-list button {
  width: 100%;
  min-height: var(--touch);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  font-size: 1.15rem;
  font-weight: 700;
  border: 1px solid #a7f3d0;
  border-radius: var(--radius);
  background: var(--green-soft);
  color: var(--green-dark);
  cursor: pointer;
  transition: background .12s, transform .05s;
}
.variety-list button:hover { background: #d1fae5; }
.variety-list button:active { background: #a7f3d0; transform: translateY(1px); }
.variety-list .result-price { color: var(--green); margin-left: auto; }
.variety-thumb {
  width: 44px; height: 44px; flex-shrink: 0;
  object-fit: cover; border-radius: 8px; background: #fff;
}
.variety-empty { color: var(--muted); padding: 10px 4px; }

/* Price override */
.price-current { color: var(--muted); }
.bill-line-detail.overridden { color: var(--amber); font-weight: 600; }
.bill-line-edit {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 1.15rem;
  cursor: pointer;
  transition: background .12s;
}
.bill-line-edit:hover { background: #dcfce7; }

/* Quick add */
.field { display: flex; flex-direction: column; gap: 6px; font-weight: 600; }
.field input {
  min-height: var(--touch);
  font-size: 1.2rem;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--panel);
}
.field input:focus, .field select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(22,163,74,.18);
}
.field select {
  min-height: var(--touch);
  font-size: 1.2rem;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: #fff;
}
.field-disabled { opacity: 0.45; }
.field-disabled select { background: #eef2f7; cursor: not-allowed; }
.field-checkbox { flex-direction: row; align-items: center; gap: 12px; min-height: 44px; }
.field-checkbox input { width: 28px; height: 28px; accent-color: var(--brand); }
.barcode-note {
  font-size: 0.9rem;
  color: #92400e;
  background: #fffbeb;
  border: 1px solid #fde68a;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
}

/* Scanner */
.modal-box-scanner { max-width: 480px; }
.scanner-viewport {
  width: 100%;
  aspect-ratio: 4 / 3;
  background: #000;
  border-radius: var(--radius);
  overflow: hidden;
  position: relative;
}
.scanner-viewport video, #quagga-region, #quagga-region video {
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
}
/* Quagga injects a debug canvas next to its video — never show it */
#quagga-region canvas { display: none; }
.scanner-switch {
  position: absolute;
  top: 10px;
  right: 10px;
  z-index: 2;
  border: none;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.62);
  color: #fff;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 9px 15px;
  cursor: pointer;
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.scanner-switch:active { background: rgba(15, 23, 42, 0.85); }

.scanner-status { text-align: center; color: var(--muted); font-size: 0.95rem; }
.scanner-manual { display: flex; flex-direction: column; gap: 8px; }
.scanner-manual-label { font-size: 0.9rem; color: var(--muted); font-weight: 600; }
.scanner-manual-row { display: flex; gap: 10px; }
.scanner-manual-row input {
  flex: 1;
  min-width: 0;
  min-height: var(--touch);
  font-size: 1.15rem;
  padding: 0 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.scanner-manual-row input:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(22,163,74,.18);
}
.scanner-manual-row .btn { flex-shrink: 0; }

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 14px 24px;
  border-radius: 999px;
  font-weight: 700;
  z-index: 100;
  max-width: 90vw;
  text-align: center;
  box-shadow: var(--shadow-lg);
}

/* Weight-pad preset chips (½/1/2/5 in the product's unit) — one-tap fills the
   readout; the numpad below still works for odd amounts. */
.weight-presets {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.preset-chip {
  min-height: 44px;
  border: 1px solid #a7f3d0;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand-dark);
  font-size: 0.95rem;
  font-weight: 800;
  cursor: pointer;
  white-space: nowrap;
  transition: background .1s, transform .05s;
}
.preset-chip:hover { background: #dcfce7; }
.preset-chip:active { transform: translateY(1px); }
.preset-chip.selected {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

/* Change calculator on the confirm-sale modal — optional, never gates saving */
.paid-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 4px 0 2px;
  border-top: 1px solid #f1f5f9;
}
.paid-label {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.paid-optional { text-transform: none; font-weight: 600; color: #cbd5e1; }
.paid-chips {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.paid-chip {
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background .1s, transform .05s;
}
.paid-chip:hover { background: #f8fafc; }
.paid-chip:active { transform: translateY(1px); }
.paid-chip.selected {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}
/* display:flex would override the hidden attribute — restate it for these */
.paid-custom[hidden], .change-box[hidden], .paid-section[hidden], .qr-pay-box[hidden] { display: none; }

/* Payment-method step (Cash / QR) on the confirm modal */
.pay-method {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 4px;
  border-top: 1px solid #f1f5f9;
}
.pay-method-chips { grid-template-columns: repeat(2, 1fr); }

/* Static FonePay QR shown when QR payment is picked (decision 11: staff still
   confirm manually — this only displays the code the shop already hangs up) */
.qr-pay-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: #fff;
}
.qr-pay-img {
  width: min(62vw, 250px);
  height: auto;
  image-rendering: pixelated; /* keep QR modules crisp when scaled up */
}
.qr-pay-note { font-size: 1rem; font-weight: 700; color: var(--ink); text-align: center; }
.qr-pay-note strong { font-size: 1.25rem; letter-spacing: -0.01em; }
.qr-pay-brand {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.paid-custom { display: flex; flex-direction: column; gap: 8px; }
.paid-custom-value {
  text-align: center;
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--ink);
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 8px;
}
.numpad-compact { gap: 6px; }
.numpad-compact button { min-height: 40px; font-size: 1.1rem; }
.paid-set { min-height: 44px; }
.change-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 12px;
  border-radius: var(--radius-sm);
  background: var(--brand-soft);
  border: 1px solid #bbf7d0;
  color: var(--brand-dark);
}
.change-label {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.change-value { font-size: 2.4rem; font-weight: 800; letter-spacing: -0.02em; }
.change-note { font-size: 0.8rem; font-weight: 700; }
.change-box.owed {
  background: #fef2f2;
  border-color: #fecaca;
  color: #b91c1c;
}
.paid-clear {
  align-self: center;
  border: none;
  background: none;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 700;
  text-decoration: underline;
  cursor: pointer;
  padding: 2px 8px;
}
.paid-clear:hover { color: var(--ink); }

/* Sale-saved success moment — near-full-screen, auto-dismisses */
@keyframes pop-in {
  from { transform: scale(0.92); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.success-modal { z-index: 90; }
.success-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  background: #fff;
  border-radius: 24px;
  padding: 44px 60px;
  box-shadow: 0 24px 60px rgba(15, 23, 42, .3);
  animation: pop-in .18s ease-out;
}
.success-check {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: var(--brand-soft);
  color: var(--brand);
  display: flex;
  align-items: center;
  justify-content: center;
}
.success-check svg { width: 48px; height: 48px; }
.success-title { font-size: 1.35rem; font-weight: 800; color: var(--ink); }
.success-total {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.success-change {
  margin-top: 4px;
  padding: 10px 22px;
  border-radius: 999px;
  background: var(--brand-soft);
  border: 1px solid #bbf7d0;
  color: var(--brand-dark);
  font-size: 1.15rem;
  font-weight: 800;
  white-space: nowrap;
}

/* ---- Phone layout (iPhone 13: 390pt, 13 Pro Max: 428pt) ---- */

@media (max-width: 700px) {
  html, body { font-size: 16px; }

  .layout {
    flex-direction: column;
    height: auto;
    min-height: 100dvh;
    padding-bottom: 150px; /* room for the fixed bill footer */
  }

  .controls { flex: none; overflow: visible; }

  .app-header { padding: 10px 12px; gap: 8px; }
  .brand { font-size: 1.05rem; }

  .quick-taps { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .quick-taps .tap { min-height: 104px; padding: 12px 8px; gap: 6px; }
  .tap-media { width: 46px; height: 46px; font-size: 1.4rem; border-radius: 12px; }
  .tap-name { font-size: 1rem; }

  .bill { flex: none; border-radius: var(--radius) var(--radius) 0 0; }
  .bill-lines { max-height: 40dvh; }

  /* Keep bill lines from overflowing the narrow iPhone screens: drop the
     thumbnail (the name identifies the line) and tighten the controls. */
  .bill-line-thumb { display: none; }
  .bill-step { width: 38px; height: 38px; }
  .bill-step-qty { min-width: 20px; }
  .bill-line-edit, .bill-line-remove { width: 40px; height: 40px; }
  .bill-lines li { gap: 6px; padding: 12px 10px; }

  .bill-footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 40;
    border-top: 1px solid var(--border);
    box-shadow: 0 -6px 20px rgba(15,23,42,.1);
    padding-bottom: calc(14px + env(safe-area-inset-bottom));
  }

  /* New-feature sizing at phone width: keep chips tappable, scale the big
     numbers down so the confirm modal and success card fit a 375px screen. */
  .paid-chip { font-size: 0.9rem; }
  .change-value { font-size: 2rem; }
  .success-box { padding: 36px 34px; margin: 0 16px; }
  .success-total { font-size: 2rem; }
  .preset-chip { font-size: 0.9rem; }
}