/* QR tool — específico */

.qr-app {
  max-width: 1180px;
  margin: 24px auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 24px;
}

.qr-stage {
  background: #fff;
  border-radius: 18px;
  padding: 28px;
  box-shadow: 0 14px 40px rgba(31, 27, 46, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
}
.qr-preview-wrap {
  position: relative;
  width: min(100%, 420px);
  max-width: 100%;
  transition: width 0.25s var(--ease-out);
}
.qr-preview {
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #fff;
  border-radius: 12px;
  display: grid;
  place-items: center;
  padding: 16px;
  border: 1px solid rgba(31, 27, 46, 0.08);
  overflow: hidden;
}
.qr-preview canvas,
.qr-preview img,
.qr-preview svg {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  image-rendering: pixelated;
}
.qr-preview .qr-placeholder {
  color: var(--gray);
  font-size: 0.95rem;
  text-align: center;
  padding: 20px;
}
.qr-logo-layer {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}
.qr-logo-layer img {
  width: 22%;
  height: 22%;
  object-fit: contain;
  background: #fff;
  padding: 6px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.qr-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.qr-panel {
  background: #fff;
  border-radius: 18px;
  padding: 22px;
  box-shadow: 0 14px 40px rgba(31, 27, 46, 0.08);
  max-height: 780px;
  overflow-y: auto;
}

.qr-panel h2 {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--white);
  margin: 0 0 12px;
}

.qr-tabs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 4px;
  background: var(--bg-dark);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 16px;
}
.qr-tabs button {
  border: 0;
  background: transparent;
  color: var(--gray);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 8px 4px;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}
.qr-tabs button.active {
  background: #fff;
  color: var(--purple);
  box-shadow: 0 2px 6px rgba(31, 27, 46, 0.06);
}

.qr-fields { display: grid; gap: 12px; }
.qr-fields[hidden] { display: none; }
.qr-fields label {
  display: grid;
  gap: 6px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white);
}
.qr-fields input[type="text"],
.qr-fields input[type="url"],
.qr-fields input[type="email"],
.qr-fields input[type="tel"],
.qr-fields input[type="number"],
.qr-fields textarea,
.qr-fields select {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--white);
  background: var(--bg-deep);
  border: 1px solid rgba(31, 27, 46, 0.12);
  border-radius: 8px;
  padding: 10px 12px;
  font-weight: 400;
}
.qr-fields textarea { min-height: 80px; resize: vertical; }
.qr-fields input:focus,
.qr-fields textarea:focus,
.qr-fields select:focus {
  outline: 2px solid rgba(107, 38, 156, 0.3);
  border-color: var(--purple);
}

.qr-design {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid rgba(31, 27, 46, 0.08);
  display: grid;
  gap: 14px;
}
.qr-design .row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.qr-color-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white);
}
.qr-color-row input[type="color"] {
  width: 42px;
  height: 32px;
  border: 1px solid rgba(31, 27, 46, 0.15);
  border-radius: 8px;
  padding: 0;
  cursor: pointer;
  background: #fff;
}
.qr-preset-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.qr-preset {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: 2px solid rgba(31, 27, 46, 0.1);
  cursor: pointer;
  transition: transform 0.2s, border-color 0.2s;
}
.qr-preset:hover { transform: scale(1.1); border-color: var(--purple); }

.qr-logo-upload {
  display: flex;
  align-items: center;
  gap: 10px;
}
.qr-logo-upload input[type="file"] { display: none; }
.qr-logo-upload label.upload-btn {
  background: var(--bg-deep);
  border: 1px dashed rgba(107, 38, 156, 0.4);
  color: var(--purple);
  font-weight: 600;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.2s;
}
.qr-logo-upload label.upload-btn:hover { background: rgba(107, 38, 156, 0.06); }
.qr-logo-upload button.clear-logo {
  background: transparent;
  border: 1px solid rgba(31, 27, 46, 0.15);
  color: var(--gray);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 0.82rem;
  cursor: pointer;
}
.qr-logo-upload button.clear-logo:hover { color: #d33; border-color: #d33; }
.qr-logo-upload button.clear-logo[hidden] { display: none; }

.qr-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 18px;
  border-radius: 10px;
  border: 0;
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}
.qr-btn.primary {
  background: var(--purple);
  color: #fff;
}
.qr-btn.primary:hover {
  background: var(--purple-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(107, 38, 156, 0.25);
}
.qr-btn.secondary {
  background: var(--bg-deep);
  color: var(--white);
  border: 1px solid rgba(31, 27, 46, 0.12);
}
.qr-btn.secondary:hover { background: var(--bg-dark); }

.qr-size-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 6px;
}
.qr-size-label span:last-child { color: var(--purple); }
input[type="range"].qr-slider {
  width: 100%;
  accent-color: var(--purple);
}

.qr-toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(40px);
  background: var(--white);
  color: var(--bg-deep);
  padding: 12px 20px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  box-shadow: 0 10px 30px rgba(31, 27, 46, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s, transform 0.25s;
  z-index: 9999;
}
.qr-toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (max-width: 900px) {
  .qr-app {
    grid-template-columns: 1fr;
    padding: 0 16px;
  }
  .qr-panel { max-height: none; }
}