/* ==========================================================================
   Gerador de QR Code: estética de etiqueta impressa
   ========================================================================== */

@font-face { font-family: "Archivo"; src: url("../fonts/archivo-400.woff2") format("woff2"); font-weight: 400; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("../fonts/archivo-600.woff2") format("woff2"); font-weight: 600; font-display: swap; }
@font-face { font-family: "Archivo"; src: url("../fonts/archivo-800.woff2") format("woff2"); font-weight: 800; font-display: swap; }

:root {
  --signal: #ffd43b;   /* amarelo de sinalização: fundo da página */
  --ink: #1d1d1b;      /* tinta: texto, bordas, botões */
  --paper: #ffffff;
  --muted: #55524a;
  --warn-bg: #fff3c4;
  --error: #a4161a;

  --font: "Archivo", system-ui, -apple-system, "Segoe UI", sans-serif;
  --border: 2px solid var(--ink);
  --radius: 4px;
  --gutter: clamp(1rem, 4vw, 2.5rem);
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--signal);
  color: var(--ink);
  font: 400 1rem/1.5 var(--font);
  -webkit-font-smoothing: antialiased;
}

:focus-visible { outline: 3px solid var(--ink); outline-offset: 2px; }

[hidden] { display: none !important; }

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* --- Abertura ------------------------------------------------------------ */
.intro {
  max-width: 68rem;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) var(--gutter) clamp(1.5rem, 4vw, 2.5rem);
}
.intro h1 {
  margin: 0 0 0.75rem;
  font-size: clamp(2.6rem, 8vw, 5.25rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.035em;
}
.intro p { margin: 0; max-width: 46ch; font-size: 1.125rem; }

/* --- Layout -------------------------------------------------------------- */
.layout {
  display: grid;
  gap: 1.5rem;
  max-width: 68rem;
  margin: 0 auto;
  padding: 0 var(--gutter) var(--gutter);
}
@media (min-width: 56rem) {
  .layout { grid-template-columns: minmax(0, 1fr) 24rem; align-items: start; }
  .result { position: sticky; top: 1.5rem; }
}

/* --- Formulário ---------------------------------------------------------- */
.panel {
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--paper);
  border: var(--border);
  border-radius: var(--radius);
}
fieldset { margin: 0; padding: 0; border: 0; min-width: 0; }
legend { float: left; width: 100%; padding: 0; margin-bottom: 0.75rem; font-weight: 800; font-size: 1.1rem; }
legend + * { clear: both; }

.types { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.types legend { width: 100%; }
.type input { position: absolute; opacity: 0; }
.type span {
  display: inline-block;
  padding: 0.5rem 0.95rem;
  border: var(--border);
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
}
.type span:hover { background: var(--warn-bg); }
.type input:checked + span { background: var(--ink); color: var(--paper); }
.type input:focus-visible + span { outline: 3px solid var(--ink); outline-offset: 2px; }

.group { display: grid; gap: 1rem; }
.look { display: grid; gap: 1rem; margin-top: 1.75rem; padding-top: 1.5rem; border-top: 2px dashed var(--ink); }

.field { display: grid; gap: 0.35rem; min-width: 0; }
.field label { font-weight: 600; font-size: 0.925rem; }
.field input:not([type="color"]),
.field select,
.field textarea {
  width: 100%;
  padding: 0.7rem 0.8rem;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
}
.field textarea { resize: vertical; }
.field input[type="color"] {
  width: 3.25rem;
  height: 2.9rem;
  padding: 0.2rem;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--paper);
  cursor: pointer;
}
.field-row { display: flex; flex-wrap: wrap; align-items: end; gap: 1rem; }
.field--grow { flex: 1; min-width: 11rem; }
.check { display: flex; align-items: center; gap: 0.5rem; padding-bottom: 0.7rem; font-weight: 600; cursor: pointer; }
.check input { width: 1.1rem; height: 1.1rem; accent-color: var(--ink); }

.hint { margin: 0; color: var(--muted); font-size: 0.925rem; }
.warning {
  margin: 0;
  padding: 0.65rem 0.85rem;
  border-left: 4px solid var(--ink);
  background: var(--warn-bg);
  font-size: 0.925rem;
}

/* --- Resultado: o cartão ------------------------------------------------- */
.card {
  margin: 0;
  padding: 1.25rem 1.25rem 1rem;
  background: var(--card-bg, var(--paper));
  color: var(--card-fg, var(--ink));
  border: var(--border);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 var(--ink);
  transform: rotate(-1.2deg); /* etiqueta colada à mão */
}
.card__qr svg { display: block; width: 100%; height: auto; }
.card__caption { margin-top: 0.5rem; text-align: center; font-weight: 600; font-size: 1.1rem; }
.card.is-empty .card__qr { opacity: 0.12; }

.result__error { margin: 1.25rem 0 0; font-weight: 600; color: var(--error); }
.result__meta { margin: 1.25rem 0 0; font-size: 0.875rem; color: var(--muted); }

.actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 1rem; }
.button {
  padding: 0.7rem 1.1rem;
  border: var(--border);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--paper);
  font: 600 1rem var(--font);
  cursor: pointer;
}
.button:hover:not(:disabled) { transform: translate(-1px, -1px); box-shadow: 3px 3px 0 var(--ink); }
.button--outline { background: var(--paper); color: var(--ink); }
.button:disabled { opacity: 0.4; cursor: not-allowed; }

.status { min-height: 1.5rem; margin: 0.75rem 0 0; font-weight: 600; }

/* --- Rodapé -------------------------------------------------------------- */
.footer { max-width: 68rem; margin: 0 auto; padding: 1rem var(--gutter) 2.5rem; font-size: 0.925rem; }
.footer p { margin: 0; }
.footer a { color: var(--ink); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .card { transform: none; }
  .button:hover:not(:disabled) { transform: none; }
}