@import url('../pdf-tools-design.css');

/* ===== QR Code Generator — tool specific layout ===== */

.qr-mode-toggle {
  max-width: 1100px;
  margin: -40px auto 20px;
  position: relative;
  z-index: 10;
  display: flex;
  gap: 8px;
  background: var(--surface);
  border-radius: 14px;
  padding: 6px;
  box-shadow: var(--shadow-lg);
}

.qr-mode-btn {
  flex: 1 1 0%;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  white-space: nowrap;
  padding: 12px 10px;
  border-radius: 9px;
  border: none;
  background: transparent;
  color: var(--dim);
  font-size: 0.86rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.qr-mode-btn.active {
  background: var(--primary);
  color: #fff;
}

.qr-layout {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 20px;
  align-items: start;
  position: relative;
  z-index: 10;
}

.qr-input-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 24px;
}

.qr-preview-card {
  background: var(--surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 24px;
  position: sticky;
  top: 88px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.qr-preview-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 12px;
}

.qr-preview-label {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.qr-dark-toggle {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--dim);
  cursor: pointer;
}

.qr-dark-toggle input { accent-color: var(--primary); cursor: pointer; }

.qr-preview-box {
  width: 100%;
  aspect-ratio: 1 / 1;
  max-width: 280px;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: background 0.2s;
}

.qr-preview-box.qr-dark-bg {
  background: #1a1a2e;
  border-color: #333;
}

.qr-preview-box.qr-checkerboard {
  background-image:
    linear-gradient(45deg, #ccc 25%, transparent 25%),
    linear-gradient(-45deg, #ccc 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #ccc 75%),
    linear-gradient(-45deg, transparent 75%, #ccc 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

#qrCodeBox {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
}

.qr-download-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  width: 100%;
  margin-top: 16px;
}

.qr-dl-btn {
  padding: 10px 8px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text-dark);
  font-size: 0.76rem;
  font-weight: 700;
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, transform 0.15s;
}

.qr-dl-btn:hover {
  border-color: var(--primary);
  background: rgba(204,0,0,0.06);
  transform: translateY(-1px);
}

.qr-history-section {
  width: 100%;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.qr-history-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.qr-history-clear {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.68rem;
  font-weight: 700;
  cursor: pointer;
  text-transform: none;
  letter-spacing: normal;
}

.qr-history-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
}

.qr-history-thumb {
  width: 48px;
  height: 48px;
  border-radius: 8px;
  border: 1.5px solid var(--border);
  object-fit: contain;
  background: #fff;
  flex-shrink: 0;
}

.qr-history-empty {
  font-size: 0.74rem;
  color: var(--dim);
}

.qr-field-group { margin-bottom: 14px; }
.qr-field-group:last-child { margin-bottom: 0; }

.qr-field-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}

.qr-field-group label span.qr-val { color: var(--primary); font-weight: 800; }

.qr-color-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.qr-color-swatch {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 2px solid var(--border);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 0.18s, transform 0.15s;
}

.qr-color-swatch.active {
  border-color: var(--text-dark);
  transform: scale(1.1);
}

.qr-logo-upload {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border: 1.5px dashed var(--border);
  border-radius: 8px;
  cursor: pointer;
  background: var(--card-bg);
  transition: border-color 0.2s;
}

.qr-logo-upload:hover { border-color: var(--primary); }

.qr-logo-preview {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  object-fit: contain;
  background: #fff;
  border: 1px solid var(--border);
  display: none;
}

.qr-logo-preview.show { display: block; }
.qr-logo-text { font-size: 0.78rem; color: var(--dim); }

.qr-logo-remove {
  margin-top: 8px;
  background: none;
  border: none;
  color: var(--primary);
  font-size: 0.74rem;
  font-weight: 700;
  cursor: pointer;
  padding: 0;
}

textarea.range-input {
  resize: vertical;
  min-height: 60px;
  font-family: 'Inter', sans-serif;
}

/* ===== Scan mode ===== */
#scanVideo {
  width: 100%;
  max-width: 320px;
  border-radius: 10px;
  margin-top: 12px;
  border: 1.5px solid var(--border);
}

.qr-scan-result-box {
  width: 100%;
  min-height: 160px;
  background: var(--card-bg);
  border: 1.5px solid var(--border);
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  text-align: center;
}

.qr-scan-placeholder {
  width: 100%;
  font-size: 0.82rem;
  color: var(--dim);
}
.qr-scan-success {
  width: 100%;
  font-size: 0.8rem;
  font-weight: 700;
  color: #10b981;
}
.qr-scan-text {
  width: 100%;
  font-size: 0.84rem;
  color: var(--text-dark);
  word-break: break-word;
  font-family: 'Inter', sans-serif;
}

@media (max-width: 860px) {
  .qr-layout {
    grid-template-columns: 1fr;
    margin-top: -20px;
  }
  .qr-preview-card {
    position: static;
    order: -1;
  }
  .qr-mode-toggle {
    margin-top: -20px;
  }
}

@media (max-width: 480px) {
  .qr-input-card, .qr-preview-card {
    padding: 18px;
  }
  .qr-download-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}