/* QR Code Generator — tool-specific styles on top of /assets/steefware.css */

.qr-wrap {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0.5rem 1rem 3rem;
}

.qr-title {
  font-size: 2.25rem;
  margin: 0.5rem 0 0;
}
@media (min-width: 640px) { .qr-title { font-size: 3rem; } }

.qr-lead {
  margin: 0.75rem 0 0;
  max-width: 42rem;
}

.qr-layout {
  display: grid;
  gap: 1.5rem;
  margin-top: 2rem;
  align-items: start;
}
@media (min-width: 900px) {
  .qr-layout { grid-template-columns: minmax(0, 1fr) 22rem; }
}

.qr-panel {
  background: var(--sw-paper);
  border: 3px solid var(--sw-ink);
  border-radius: var(--sw-radius);
  box-shadow: 8px 8px 0 var(--sw-shadow);
  padding: 1.25rem;
}
@media (min-width: 640px) { .qr-panel { padding: 1.5rem; } }

@media (min-width: 900px) {
  .qr-preview-panel { position: sticky; top: 1rem; }
}

.qr-section { margin-top: 2rem; }

/* ---------- tabs ---------- */

.qr-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0.75rem 0 1.25rem;
}

.qr-tab {
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 900;
  letter-spacing: -0.01em;
  padding: 0.45rem 0.75rem;
  border: 3px solid var(--sw-ink);
  border-radius: var(--sw-radius-sm);
  background: var(--sw-paper);
  color: var(--sw-ink);
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--sw-shadow);
  transition: transform 0.12s ease, box-shadow 0.12s ease;
}
.qr-tab:hover { transform: translate(1px, -1px); }
.qr-tab[aria-selected="true"] {
  background: var(--sw-fuchsia);
  color: #fff;
}

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

.qr-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin: 1rem 0 0.35rem;
  color: var(--sw-ink);
}
.qr-pane > .qr-label:first-child { margin-top: 0; }

.qr-value {
  font-variant-numeric: tabular-nums;
  text-transform: none;
  letter-spacing: 0;
}

.qr-input {
  width: 100%;
  box-sizing: border-box;
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  color: var(--sw-ink);
  background: var(--sw-paper);
  border: 3px solid var(--sw-ink);
  border-radius: var(--sw-radius-sm);
  padding: 0.6rem 0.7rem;
}

.qr-textarea {
  resize: vertical;
  line-height: 1.5;
  min-height: 3.5rem;
}

select.qr-input { appearance: none; background-image: none; cursor: pointer; }

.qr-check {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.9rem;
  font-size: 0.875rem;
  font-weight: 600;
}
.qr-check input { width: 1.1rem; height: 1.1rem; accent-color: var(--sw-fuchsia); }

.qr-fieldset { border: 0; padding: 0; margin: 0.75rem 0 0; }
.qr-fieldset legend { padding: 0; }

.qr-segmented { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.qr-seg {
  flex: 1 1 4rem;
  font-family: inherit;
  font-size: 0.9375rem;
  font-weight: 900;
  padding: 0.5rem 0.4rem;
  border: 3px solid var(--sw-ink);
  border-radius: var(--sw-radius-sm);
  background: var(--sw-paper);
  color: var(--sw-ink);
  cursor: pointer;
  box-shadow: 3px 3px 0 var(--sw-shadow);
  transition: transform 0.12s ease;
}
.qr-seg span { display: block; font-size: 0.6875rem; font-weight: 700; opacity: 0.7; }
.qr-seg:hover { transform: translate(1px, -1px); }
.qr-seg[aria-pressed="true"] { background: var(--sw-amber); color: #000; }

.qr-row { display: grid; gap: 1rem; }
@media (min-width: 520px) { .qr-row { grid-template-columns: 1fr 1fr; } }
.qr-field { min-width: 0; }

.qr-range { width: 100%; accent-color: var(--sw-fuchsia); }

.qr-color {
  width: 100%;
  height: 2.75rem;
  padding: 0.25rem;
  border: 3px solid var(--sw-ink);
  border-radius: var(--sw-radius-sm);
  background: var(--sw-paper);
  cursor: pointer;
}

.qr-note {
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--sw-ink-soft);
  margin: 0.6rem 0 0;
}

.qr-warn {
  font-size: 0.8125rem;
  font-weight: 800;
  line-height: 1.5;
  margin: 0.9rem 0 0;
  padding: 0.6rem 0.7rem;
  border: 3px solid var(--sw-ink);
  border-radius: var(--sw-radius-sm);
  background: var(--sw-amber);
  color: #000;
}

/* ---------- preview ---------- */

.qr-canvas-box {
  margin-top: 0.75rem;
  border: 3px solid var(--sw-ink);
  border-radius: var(--sw-radius-sm);
  padding: 0.75rem;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 12rem;
  background: #ffffff;
}

#qr-canvas {
  width: 100%;
  max-width: 17rem;
  height: auto;
  display: block;
  image-rendering: pixelated;
}
#qr-canvas[hidden] { display: none; }

.qr-empty {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--sw-ink-soft);
  text-align: center;
  margin: 0;
}

.qr-status {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--sw-ink-soft);
  margin: 0.9rem 0 0;
  min-height: 1.2em;
  font-variant-numeric: tabular-nums;
}
.qr-status--error { color: var(--sw-ink); }

.qr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.1rem;
}
.qr-actions .sw-btn { flex: 1 1 8rem; text-align: center; justify-content: center; }
.qr-actions .sw-btn[disabled] { opacity: 0.45; cursor: not-allowed; transform: none; }

.qr-intro { margin: 2.5rem 0 0; padding: 0; }