/* /widgets/receipt-print.html — Thermal receipt printer for AI output.
   Narrow column, monospace, black on white, perforated edges, line-by-line
   reveal animation. The point is to make the bot's words look mortal.
   ------------------------------------------------------------------ */

.rcpp-intro {
  padding-block: var(--space-6);
  border-bottom: 1px solid var(--border);
}

.rcpp-intro h1 {
  margin: 0 0 var(--space-3);
}

.rcpp-intro__lede {
  font-family: var(--font-display);
  font-size: var(--fs-lg);
  line-height: 1.3;
  max-width: 50ch;
  color: var(--fg-soft);
}

.rcpp-intro__hint {
  margin-top: var(--space-3);
  font-size: var(--fs-sm);
  color: var(--muted);
  max-width: 60ch;
}

/* ------------------------------------------------------------------
   APP LAYOUT
   ------------------------------------------------------------------ */

.rcpp-app {
  padding-block: var(--space-5);
}

.rcpp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
  align-items: start;
}

@media (min-width: 880px) {
  .rcpp-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6);
  }
}

.rcpp-panel {
  font-family: var(--font-mono);
}

.rcpp-h2 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 var(--space-2);
}

.rcpp-h3 {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
  margin: var(--space-5) 0 var(--space-2);
}

.rcpp-textarea {
  width: 100%;
  min-height: 12rem;
  padding: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.5;
  background: #0d0d0d;
  color: var(--fg);
  border: 1px solid var(--border-strong);
  border-radius: 0;
  resize: vertical;
}

.rcpp-textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.rcpp-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.rcpp-row--options {
  align-items: center;
}

.rcpp-opt {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-soft);
}

.rcpp-opt--check {
  cursor: pointer;
}

.rcpp-select {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  background: #0d0d0d;
  color: var(--fg);
  border: 1px solid var(--border-strong);
  padding: 0.35rem 0.5rem;
  border-radius: 0;
}

.rcpp-status {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  min-height: 1.2em;
}

.rcpp-samples {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.rcpp-sample {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: var(--space-3);
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--fg);
  text-align: left;
  width: 100%;
  display: block;
  transition: border-color 120ms var(--ease-snap), background 120ms var(--ease-snap);
}

.rcpp-sample:hover,
.rcpp-sample:focus-visible {
  border-color: var(--accent);
  outline: none;
}

.rcpp-sample__label {
  display: block;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.25rem;
}

.rcpp-sample__prompt {
  display: block;
  color: var(--muted);
  font-style: italic;
  font-size: var(--fs-xs);
}

/* ------------------------------------------------------------------
   STAGE — printer hardware + paper
   ------------------------------------------------------------------ */

.rcpp-stage {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-block: var(--space-3);
}

.rcpp-printer {
  width: 100%;
  max-width: 22rem;
  height: 4.5rem;
  background: linear-gradient(#2a2a2a, #1a1a1a);
  border-radius: 6px 6px 2px 2px;
  position: relative;
  box-shadow:
    inset 0 -2px 0 rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 4px 0 rgba(0, 0, 0, 0.4);
  z-index: 2;
}

.rcpp-printer::before {
  content: "";
  position: absolute;
  top: 0.5rem;
  left: 0.75rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: #d3504a;
  box-shadow: 0 0 6px rgba(211, 80, 74, 0.6);
}

.rcpp-printer__slot {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: 0;
  height: 0.55rem;
  background: #050505;
  border-top: 1px solid #000;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.8);
}

/* Paper feeds out of the slot. */
.rcpp-receipt {
  font-family: var(--font-mono);
  color: #1a1a1a;
  background-color: #f6f1e6;
  background-image:
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.02) 0,
      rgba(0, 0, 0, 0.02) 1px,
      transparent 1px,
      transparent 3px
    );
  width: 100%;
  max-width: 22rem;
  padding: var(--space-4) var(--space-3) var(--space-3);
  margin-top: -0.4rem;
  position: relative;
  z-index: 1;
  box-shadow:
    0 1px 0 rgba(0, 0, 0, 0.3),
    6px 10px 0 rgba(0, 0, 0, 0.35);
  /* perforated/torn paper edges top + bottom */
  --edge: polygon(
    0 6px,
    3% 0,
    9% 5px,
    16% 1px,
    24% 5px,
    33% 0,
    41% 5px,
    50% 1px,
    59% 5px,
    68% 0,
    77% 5px,
    86% 1px,
    94% 5px,
    100% 0,
    100% calc(100% - 6px),
    96% 100%,
    89% calc(100% - 5px),
    80% calc(100% - 1px),
    71% calc(100% - 5px),
    62% 100%,
    53% calc(100% - 5px),
    44% calc(100% - 1px),
    35% calc(100% - 5px),
    26% 100%,
    17% calc(100% - 5px),
    8% calc(100% - 1px),
    2% calc(100% - 5px),
    0 100%
  );
  clip-path: var(--edge);
}

.rcpp-receipt p,
.rcpp-receipt div,
.rcpp-receipt li {
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  color: #1a1a1a;
  font-size: 0.78rem;
  line-height: 1.55;
}

.rcpp-receipt__head {
  text-align: center;
  margin-bottom: var(--space-2);
}

.rcpp-receipt__brand {
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 0.85rem;
}

.rcpp-receipt__sub {
  letter-spacing: 0.14em;
  font-size: 0.7rem;
  opacity: 0.75;
}

.rcpp-receipt__rule {
  letter-spacing: 0.02em;
  white-space: nowrap;
  overflow: hidden;
  user-select: none;
  margin-block: 0.25rem;
}

.rcpp-receipt__meta {
  display: flex;
  justify-content: space-between;
  gap: var(--space-2);
  letter-spacing: 0.1em;
  font-size: 0.7rem;
}

.rcpp-receipt__body {
  margin-top: var(--space-2);
  /* receipt printers use ~32 char columns. Hard-wrap text to that width. */
  white-space: pre-wrap;
  word-break: break-word;
}

.rcpp-receipt__line {
  display: block;
  white-space: pre-wrap;
  word-break: break-word;
  /* line-by-line reveal */
  opacity: 0;
  transform: translateY(-0.4rem);
  animation: rcpp-feed 240ms var(--ease-snap, ease-out) forwards;
}

.rcpp-receipt__line--blank {
  height: 0.9em;
}

@keyframes rcpp-feed {
  0% {
    opacity: 0;
    transform: translateY(-0.6rem);
    filter: blur(1px);
  }
  60% {
    opacity: 0.85;
    filter: blur(0);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

.rcpp-receipt__placeholder {
  text-align: center;
  font-style: italic;
  opacity: 0.6;
  padding-block: var(--space-3);
}

.rcpp-receipt__foot {
  margin-top: var(--space-3);
  text-align: center;
}

.rcpp-receipt__thanks {
  font-weight: 700;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  margin-block: var(--space-2);
}

.rcpp-receipt__barcode {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  letter-spacing: 0.22em;
}

@media (prefers-reduced-motion: reduce) {
  .rcpp-receipt__line {
    animation: none;
    opacity: 1;
    transform: none;
  }
}