/* Split the Braai
   The interface is the till slip. Everything else stays out of its way. */

:root {
  --table: #241e1a;        /* the dark table the slip lies on */
  --table-lift: #2f2723;
  --paper: #e8e4da;        /* thermal slip, greyer than cream */
  --paper-shade: #d9d3c7;
  --ink: #2b2622;          /* thermal print is never truly black */
  --ink-faint: #948a80;
  --ember: #c4451d;        /* coal glow */
  --ember-soft: #e3703f;
  --veld: #5c7a3d;         /* settled */
  --slip-w: 27rem;

  --mono: 'Space Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
  --display: 'Bricolage Grotesque', 'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--table);
  color: var(--paper);
  font-family: var(--display);
  -webkit-text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  padding: 0 1rem 8rem;
  background-image:
    radial-gradient(ellipse 60% 40% at 50% 0%, #3a2f28 0%, transparent 70%);
  background-attachment: fixed;
}

:focus-visible {
  outline: 2px solid var(--ember-soft);
  outline-offset: 2px;
}

/* ------------------------------------------------------------ app chrome */

header {
  max-width: var(--slip-w);
  margin: 0 auto;
  padding: 1.6rem 0 1.2rem;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.02em;
  line-height: 1;
  margin: 0;
}
.wordmark span { color: var(--ember-soft); }

.code-tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--ink-faint);
  background: var(--table-lift);
  border: 1px dashed #4a3f38;
  padding: 0.32rem 0.6rem;
  cursor: pointer;
}
.code-tag:hover { color: var(--paper); }

main { max-width: var(--slip-w); margin: 0 auto; }

/* --------------------------------------------------------------- the slip */

.slip-stack { position: relative; margin: 0 auto; }

.tear {
  height: 10px;
  background: var(--paper);
  --zig: conic-gradient(from -45deg at bottom, #0000, #000 1deg 89deg, #0000 90deg)
         50% / 15px 100%;
  -webkit-mask: var(--zig);
  mask: var(--zig);
}
.tear.top { transform: scaleY(-1); }

.slip {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.5;
  padding: 1.5rem 1.25rem 1.75rem;
  box-shadow: 0 22px 50px -18px rgb(0 0 0 / 0.75);
  position: relative;
}

/* faint thermal-paper grain */
.slip::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image: repeating-linear-gradient(
    0deg, transparent 0 3px, rgb(43 38 34 / 0.035) 3px 4px
  );
}

.slip-head { text-align: center; }
.venue {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  margin: 0 0 0.15rem;
  word-break: break-word;
}
.venue-meta {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.rule {
  border: 0;
  border-top: 1px dashed #b3aa9d;
  margin: 0.9rem 0;
}

/* one printed line */
.line { padding: 0.42rem 0; }
.line-main {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  width: 100%;
  background: none;
  border: 0;
  padding: 0;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.line-qty {
  min-width: 1.6rem;
  color: var(--ink-faint);
  font-variant-numeric: tabular-nums;
}
.line-desc { text-transform: uppercase; }
.leader {
  flex: 1;
  border-bottom: 1px dotted #bbb2a5;
  transform: translateY(-0.2em);
  min-width: 1rem;
}
.line-amt { font-variant-numeric: tabular-nums; white-space: nowrap; }

.line.mine .line-desc { color: var(--ember); font-weight: 700; }
.line.orphan .line-amt { color: var(--ember); }

/* who claimed it — stamped under the line */
.stamps {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding: 0.3rem 0 0 2rem;
}
.stamp {
  font-size: 0.63rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.1rem 0.4rem;
  border: 1px solid #b3aa9d;
  color: var(--ink-faint);
}
.stamp.self { border-color: var(--ember); color: var(--ember); }
.stamp.none {
  border-style: dashed;
  border-color: var(--ember);
  color: var(--ember);
}

.totals { font-variant-numeric: tabular-nums; }
.total-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.15rem 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.78rem;
}
.total-row.grand {
  font-weight: 700;
  font-size: 0.95rem;
  border-top: 1px solid var(--ink);
  margin-top: 0.5rem;
  padding-top: 0.5rem;
}
.total-row.warn { color: var(--ember); }

.slip-foot {
  text-align: center;
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin-top: 1.1rem;
}

/* --------------------------------------------------------- person stubs */

.stub {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  padding: 0.85rem 1rem;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  overflow: hidden;
}
.stub-name {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.82rem;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.stub-amt { font-variant-numeric: tabular-nums; font-size: 0.95rem; }
.stub.paid { color: var(--ink-faint); }
.stub.paid .stub-amt { text-decoration: line-through; }

.paid-mark {
  position: absolute;
  right: 0.7rem;
  top: 50%;
  font-family: var(--display);
  font-weight: 800;
  font-size: 0.72rem;
  letter-spacing: 0.28em;
  color: var(--veld);
  border: 2px solid var(--veld);
  padding: 0.12rem 0.45rem;
  transform: translateY(-50%) rotate(-11deg);
  opacity: 0.9;
  animation: stamp 0.28s cubic-bezier(0.2, 1.5, 0.4, 1);
}
@keyframes stamp {
  from { transform: translateY(-50%) rotate(-11deg) scale(2.2); opacity: 0; }
}

/* ------------------------------------------------------------- controls */

.btn {
  font-family: var(--display);
  font-weight: 700;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border: 0;
  padding: 0.95rem 1.2rem;
  width: 100%;
  cursor: pointer;
  background: var(--ember);
  color: #fff;
  transition: background 0.15s;
}
.btn:hover:not(:disabled) { background: var(--ember-soft); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn.ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid #4e433b;
}
.btn.ghost:hover:not(:disabled) { background: var(--table-lift); }
.btn.small { width: auto; padding: 0.5rem 0.85rem; font-size: 0.78rem; }
.btn.pay {
  background: var(--ink);
  color: var(--paper);
  width: auto;
  padding: 0.55rem 0.9rem;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-block;
}

.row { display: flex; gap: 0.5rem; align-items: center; }
.row > .btn { flex: 1; }

label.field {
  display: block;
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0.9rem 0 0.3rem;
}

input[type='text'], input[type='email'], textarea, select {
  width: 100%;
  font-family: var(--mono);
  font-size: 0.95rem;
  padding: 0.75rem;
  background: var(--table-lift);
  border: 1px solid #4e433b;
  color: var(--paper);
  border-radius: 0;
}
input::placeholder, textarea::placeholder { color: #6d6159; }
textarea { resize: vertical; min-height: 4.5rem; }

.panel {
  background: var(--table-lift);
  border: 1px solid #3d332c;
  padding: 1.1rem;
  margin-top: 1rem;
}
.panel h2 {
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
  margin: 0 0 0.7rem;
  font-weight: 700;
}

.hint {
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--ink-faint);
  margin: 0.5rem 0 0;
}
.hint.alert { color: var(--ember-soft); }

/* sticky footer showing your own share */
.dock {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgb(28 23 20 / 0.94);
  backdrop-filter: blur(10px);
  border-top: 1px solid #3d332c;
  padding: 0.8rem 1rem calc(0.8rem + env(safe-area-inset-bottom));
  z-index: 20;
}
.dock-inner {
  max-width: var(--slip-w);
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0.9rem;
}
.dock-label {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-faint);
}
.dock-amt {
  font-family: var(--mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.dock .btn { width: auto; flex: 1; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 6.5rem;
  transform: translateX(-50%);
  background: var(--paper);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.7rem 1rem;
  max-width: min(92vw, var(--slip-w));
  z-index: 40;
  box-shadow: 0 12px 30px -10px rgb(0 0 0 / 0.7);
}
.toast.err { background: var(--ember); color: #fff; }

.hidden { display: none !important; }
.spin { animation: spin 0.9s linear infinite; display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.drop {
  border: 1px dashed #4e433b;
  padding: 2.4rem 1rem;
  text-align: center;
  cursor: pointer;
  display: block;
}
.drop:hover { border-color: var(--ember); }
.drop-mark { font-size: 1.6rem; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --------------------------------------------------------- viewfinder ---
   On a phone the camera is the whole screen: the slip you are about to
   photograph, framed by the shape of a slip. */

body.scanning {
  padding-bottom: 0;
  overflow: hidden;
}
body.scanning header { position: relative; z-index: 2; }

.vf { margin: 0 -1rem; }

.vf-stage {
  position: relative;
  height: min(64dvh, 34rem);
  background: #100d0b;
  overflow: hidden;
  display: grid;
  place-items: center;
}

.vf-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.vf.live .vf-video { opacity: 1; }

/* everything outside the guide is pushed back */
.vf-scrim {
  position: absolute;
  inset: 0;
  background: rgb(16 13 11 / 0.55);
  pointer-events: none;
}

/* a till slip is tall and narrow — so is the guide */
.vf-guide {
  position: relative;
  width: min(62%, 15rem);
  aspect-ratio: 5 / 8;
  box-shadow: 0 0 0 100vmax rgb(16 13 11 / 0.5);
  z-index: 1;
}
.vf-corner {
  position: absolute;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--ember-soft);
}
.vf-corner.tl { top: 0; left: 0; border-right: 0; border-bottom: 0; }
.vf-corner.tr { top: 0; right: 0; border-left: 0; border-bottom: 0; }
.vf-corner.bl { bottom: 0; left: 0; border-right: 0; border-top: 0; }
.vf-corner.br { bottom: 0; right: 0; border-left: 0; border-top: 0; }

.vf-hint {
  position: absolute;
  bottom: 1rem;
  left: 0;
  right: 0;
  z-index: 2;
  margin: 0;
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgb(232 228 218 / 0.75);
  text-shadow: 0 1px 6px rgb(0 0 0 / 0.8);
}

.vf-torch {
  position: absolute;
  top: 0.85rem;
  right: 0.85rem;
  z-index: 3;
  width: 2.6rem;
  height: 2.6rem;
  border-radius: 50%;
  border: 1px solid rgb(232 228 218 / 0.35);
  background: rgb(16 13 11 / 0.6);
  color: var(--paper);
  font-size: 1.1rem;
  cursor: pointer;
}
.vf-torch[aria-pressed='true'] {
  background: var(--ember);
  border-color: var(--ember);
}

.vf-bar {
  display: grid;
  place-items: center;
  padding: 1.4rem 0 0.4rem;
}
.vf-shutter {
  width: 4.6rem;
  height: 4.6rem;
  border-radius: 50%;
  border: 3px solid var(--paper);
  background: transparent;
  padding: 0;
  cursor: pointer;
  display: grid;
  place-items: center;
}
.vf-shutter span {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: var(--ember);
  transition: transform 0.12s ease;
}
.vf-shutter:active span { transform: scale(0.88); }
.vf-shutter:disabled { opacity: 0.5; cursor: wait; }
.vf.busy .vf-shutter span { background: var(--ink-faint); }

.vf.flash .vf-stage::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--paper);
  z-index: 4;
  animation: flash 0.18s ease-out;
}
@keyframes flash { from { opacity: 0.85; } to { opacity: 0; } }

/* -------------------------------------------------------- narrow screens */

@media (max-width: 26rem) {
  /* let the slip run to the edges — it is the page, not a card on it */
  .slip-stack { margin: 0 -1rem; }
  .slip { padding-left: 1rem; padding-right: 1rem; }
  .line { padding: 0.55rem 0; }        /* fatter tap targets */
  .line-main { min-height: 2.2rem; }
  .venue { font-size: 1.05rem; }
}