/* Educa4Good - Encontre as Diferencas.
   Estilos isolados para o gerador client-side e para a folha A4 impressa. */

.diff-hero {
  background:
    linear-gradient(135deg, rgba(234, 241, 248, 0.96), rgba(232, 246, 237, 0.9)),
    var(--color-primary-soft);
}

.diff {
  background:
    linear-gradient(180deg, #ffffff 0%, #f7fafd 100%);
}

.diff__intro {
  margin-bottom: var(--space-3);
}

.diff__workspace {
  display: grid;
  grid-template-columns: minmax(320px, 420px) minmax(0, 1fr);
  gap: var(--space-3);
  align-items: start;
}

.diff__controls {
  display: grid;
  gap: var(--space-3);
}

.diff__panel,
.diff__preview-panel {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  box-shadow: var(--shadow-s);
}

.diff__panel,
.diff__preview-panel {
  padding: var(--space-3);
}

.diff__panel h2,
.diff__preview-panel h2 {
  font-size: 1.2rem;
}

.diff__dropzone {
  display: grid;
  place-items: center;
  gap: 0.35rem;
  min-height: 150px;
  border: 2px dashed #b7cadb;
  border-radius: var(--radius-s);
  background:
    linear-gradient(135deg, rgba(234, 241, 248, 0.92), rgba(255, 255, 255, 0.96));
  color: var(--color-primary-dark);
  cursor: pointer;
  text-align: center;
  padding: var(--space-3);
  transition: border-color 0.16s ease, background 0.16s ease, transform 0.16s ease;
}

.diff__dropzone:hover,
.diff__dropzone.is-dragging {
  border-color: var(--color-primary);
  background:
    linear-gradient(135deg, rgba(234, 241, 248, 1), rgba(232, 246, 237, 0.94));
  transform: translateY(-1px);
}

.diff__dropzone strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.diff__dropzone span:last-child {
  color: var(--color-text-soft);
  font-size: var(--fs-small);
}

.diff__drop-icon {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #4a3608;
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1;
}

.diff__file {
  width: 100%;
  margin-top: var(--space-2);
  font: inherit;
  font-size: 0.92rem;
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: 0.5rem;
}

.diff__note {
  color: var(--color-text-soft);
  font-size: var(--fs-small);
  margin: 0.55rem 0 0;
}

.diff__demo,
.diff__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.diff__demo {
  margin-top: var(--space-2);
}

.diff__actions .btn {
  min-height: 42px;
}

.diff__message,
.diff__status {
  margin: var(--space-2) 0 0;
  color: var(--color-text-soft);
  font-size: 0.94rem;
}

.diff__message.is-error,
.diff__status.is-error {
  color: #a33b4f;
  font-weight: 700;
}

.diff__message.is-ok,
.diff__status.is-ok {
  color: var(--color-green);
  font-weight: 700;
}

.diff__original {
  display: grid;
  gap: 0.4rem;
  margin: var(--space-2) 0 0;
}

.diff__original img {
  width: 100%;
  max-height: 220px;
  object-fit: contain;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  background: #fff;
}

.diff__original figcaption {
  color: var(--color-text-soft);
  font-size: var(--fs-small);
  text-align: center;
}

.diff__settings {
  display: grid;
  gap: var(--space-2);
}

.diff__field {
  display: grid;
  gap: 0.4rem;
}

.diff__field label,
.diff__fieldset legend {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 800;
  color: var(--color-primary-dark);
}

.diff__field input,
.diff__field select {
  width: 100%;
  font: inherit;
  color: var(--color-text);
  background: #fff;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: 0.65rem 0.75rem;
}

.diff__grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.diff__fieldset {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-s);
  padding: var(--space-2);
  margin: 0;
}

.diff__fieldset legend {
  padding-inline: 0.25rem;
}

.diff__preview-panel {
  position: sticky;
  top: 92px;
}

.diff__preview-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-1);
  margin-bottom: var(--space-2);
}

.diff__preview-head .kicker {
  color: var(--color-accent-dark);
  font-family: var(--font-display);
  font-size: var(--fs-small);
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.diff__preview-head h2 {
  margin: 0;
}

.diff__score {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-1);
  margin: var(--space-2) 0;
  padding: 0.65rem 0.8rem;
  border: 1px solid #c9dceb;
  border-radius: var(--radius-s);
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-weight: 900;
}

.diff__score strong {
  color: var(--color-primary);
}

.diff__playground {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  align-items: start;
}

.diff__scene {
  display: grid;
  gap: 0.45rem;
  margin: 0;
}

.diff__scene figcaption {
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 900;
  text-align: center;
}

.diff__scene canvas {
  display: block;
  width: 100%;
  height: auto;
  border: 1.5px solid #c9dceb;
  border-radius: var(--radius-s);
  background: #fff;
  box-shadow: inset 0 0 0 6px rgba(234, 241, 248, 0.7);
  cursor: crosshair;
  touch-action: manipulation;
}

.diff__scene canvas:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.diff__print-area {
  display: none;
}

.diff__page {
  background: #fff;
}

.diff__sheet-header,
.diff__sheet-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.diff__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-family: var(--font-display);
  font-weight: 900;
}

.diff__brand img {
  width: 28px;
  height: 28px;
}

.diff__sheet-kind {
  border: 1px solid #c9dceb;
  border-radius: 999px;
  color: var(--color-primary-dark);
  background: var(--color-primary-soft);
  font-family: var(--font-display);
  font-size: 0.74rem;
  font-weight: 800;
  padding: 0.2rem 0.65rem;
  text-transform: uppercase;
}

.diff__meta {
  display: grid;
  grid-template-columns: 1.5fr 0.75fr 0.75fr;
  gap: 8px;
  color: var(--color-text-soft);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
}

.diff__meta span {
  border-bottom: 1px solid #bfcfdd;
  min-height: 1.55em;
}

.diff__page-title {
  color: var(--color-primary-dark);
  font-size: 1.45rem;
  margin: 0;
  text-align: center;
}

.diff__instruction {
  color: var(--color-text-soft);
  font-size: 0.88rem;
  line-height: 1.35;
  margin: 0;
  text-align: center;
}

.diff__print-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10mm;
  align-items: center;
}

.diff__print-pair figure,
.diff__answer-figure {
  display: grid;
  gap: 0.35rem;
  margin: 0;
}

.diff__print-pair img,
.diff__answer-figure img {
  display: block;
  width: 100%;
  max-height: 120mm;
  object-fit: contain;
  border: 1.4pt solid #b7cadb;
  border-radius: 3mm;
  background: #fff;
}

.diff__print-pair figcaption,
.diff__answer-figure figcaption {
  color: var(--color-primary-dark);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 900;
  text-align: center;
}

.diff__answer-figure {
  width: min(100%, 190mm);
  justify-self: center;
}

.diff__answer-figure img {
  max-height: 126mm;
}

.diff__sheet-footer {
  color: var(--color-text-soft);
  font-size: 0.72rem;
  line-height: 1.3;
}

@media (max-width: 1120px) {
  .diff__workspace {
    grid-template-columns: 1fr;
  }

  .diff__preview-panel {
    position: static;
  }
}

@media (max-width: 720px) {
  .diff__grid-3,
  .diff__playground {
    grid-template-columns: 1fr;
  }

  .diff__panel,
  .diff__preview-panel {
    padding: var(--space-2);
  }

  .diff__actions .btn,
  .diff__demo .btn {
    width: 100%;
  }
}

@page {
  size: A4 landscape;
  margin: 9mm;
}

@media print {
  html {
    scroll-behavior: auto;
  }

  body {
    background: #fff;
    color: #111;
  }

  .site-header,
  .site-footer,
  .diff-hero,
  .diff__intro,
  .diff__controls,
  .diff__preview-head,
  .diff__status,
  .diff__score,
  .diff__playground {
    display: none !important;
  }

  .section.diff {
    padding: 0 !important;
    background: #fff !important;
  }

  .diff .container {
    max-width: none;
    padding: 0;
  }

  .diff__workspace {
    display: block;
  }

  .diff__preview-panel {
    display: block;
    position: static;
    padding: 0;
    border: 0;
    box-shadow: none;
  }

  .diff__print-area {
    display: block;
    margin: 0;
  }

  .diff__page {
    width: 100%;
    min-height: calc(210mm - 18mm);
    padding: 0;
    border: 0;
    box-shadow: none;
    display: grid;
    grid-template-rows: auto auto auto auto 1fr auto;
    gap: 3.5mm;
    break-after: page;
    page-break-after: always;
  }

  .diff__page:last-child {
    break-after: auto;
    page-break-after: auto;
  }

  body:not(.diff-print-answer-only) .diff__page--answer,
  body.diff-print-answer-only .diff__page--activity {
    display: none !important;
  }

  .diff__brand img {
    width: 9mm;
    height: 9mm;
  }

  .diff__sheet-kind {
    font-size: 8pt;
  }

  .diff__meta {
    font-size: 8pt;
  }

  .diff__page-title {
    font-size: 17pt;
  }

  .diff__instruction {
    font-size: 10pt;
  }

  .diff__print-pair {
    gap: 8mm;
  }

  .diff__print-pair img,
  .diff__answer-figure img {
    max-height: 118mm;
  }

  .diff__print-pair figcaption,
  .diff__answer-figure figcaption {
    font-size: 9pt;
  }

  .diff__sheet-footer {
    font-size: 8pt;
  }

  .reveal {
    opacity: 1 !important;
    transform: none !important;
  }
}