/* QR Code Generator — page specific overrides (uses variables from main.css) */
.tool-container { padding: 80px 0; min-height: calc(100vh - 200px); }
.tool-header { text-align:center; margin-bottom: 40px; }
.tool-header h1 { font-size: 2.2rem; margin-bottom: 8px; color: var(--text); }
.tool-header p { color: var(--text-light); }

.generator-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 30px;
  margin-bottom: 60px;
}

.input-section, .preview-section, .tool-info {
  background: var(--card-bg);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
}
.preview-section { display: flex; flex-direction: column; }

.input-header, .preview-header {
  display:flex; align-items:center; justify-content:space-between;
  margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 2px solid rgba(227,6,19,.2);
}

/* Tabs */
.input-tabs {
  display: flex;
  border-bottom: 1px solid #e5e7eb;
  margin-bottom: 20px;
}

.tab-btn {
  background: none;
  border: none;
  padding: 10px 16px;
  font-weight: 500;
  color: var(--text-light);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.tab-btn:hover {
  color: var(--primary);
}

.tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Input groups */
.input-group {
  margin-bottom: 18px;
}

.input-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  font-size: .9rem;
}

.input-group input,
.input-group textarea,
.input-group select {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e5e7eb;
  border-radius: var(--radius);
  background: #fff;
  font-size: .95rem;
  font-family: inherit;
  transition: var(--transition);
}

.input-group input:focus,
.input-group textarea:focus,
.input-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(227,6,19,.1);
}

.input-group textarea {
  resize: vertical;
  min-height: 80px;
}

/* Color inputs */
.input-group input[type="color"] {
  height: 42px;
  padding: 4px;
  cursor: pointer;
}

/* Customization options */
.customization-options h4 { margin-bottom: 12px; color: var(--text); }
.options-grid { display:grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-bottom: 12px; }
.option { display:flex; flex-direction:column; }
.option label { margin-bottom:6px; font-weight:600; font-size:.9rem; }
.option select { padding:10px 12px; border:1px solid #e5e7eb; border-radius: var(--radius); background:#fff; font-size:.95rem; }
.option select:focus { outline:none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(227,6,19,.1); }

.generation-actions { display:grid; grid-template-columns:1fr 1fr; gap: 12px; }
.generation-actions .btn-primary, .generation-actions .btn-secondary { 
  display:flex; align-items:center; justify-content:center; gap:8px; 
}

/* Preview section */
.preview-content {
  flex: 1;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  margin-bottom: 18px; padding:18px; background:#f8fafc; border-radius: var(--radius); border:1px solid #e5e7eb; min-height: 300px;
}
.empty-preview { text-align:center; color: var(--text-light); }
.empty-preview i { font-size: 3.5rem; color:#e5e7eb; margin-bottom: 10px; }

.qr-code-wrapper {
  text-align: center;
  padding: 10px;
  background: white;
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  max-width: 100%;
}

.qr-code-wrapper canvas,
.qr-code-wrapper svg {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}

.preview-info { margin-top: 8px; padding: 12px; background:#f8fafc; border-radius: var(--radius); border:1px solid #e5e7eb; }
.preview-info h4 { margin:0 0 8px 0; font-size:.95rem; }
.info-grid { display:grid; grid-template-columns: repeat(3,1fr); gap: 10px; }
.info-item { display:flex; flex-direction:column; }
.info-label { font-size:.8rem; color: var(--text-light); }
.info-value { font-weight:600; }

.download-section { 
  display: grid; 
  grid-template-columns: 1fr 1fr; 
  gap: 12px; 
  text-align:center; 
  padding-top: 14px; 
  border-top: 1px solid #e5e7eb; 
}
.download-section button { 
  display: flex; 
  align-items: center; 
  justify-content: center; 
  gap: 8px; 
}

/* Tool info */
.tool-info h2 { margin-bottom: 14px; padding-bottom: 12px; border-bottom: 2px solid rgba(227,6,19,.2); }
.tool-info h3 { margin: 18px 0 10px; color: var(--primary); }
.tool-info ul, .tool-info ol { margin-left: 18px; margin-bottom: 12px; }
.tool-info li { margin-bottom: 6px; }

/* Status indicator */
.status-indicator {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 8px;
  background: #d1d5db; /* gray */
}

.status-indicator.ready { background: #22c55e; } /* green */
.status-indicator.processing { background: #eab308; } /* yellow */
.status-indicator.error { background: #ef4444; } /* red */

/* Responsive */
@media (max-width: 980px) {
  .generator-container { grid-template-columns: 1fr; }
  .options-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: repeat(2,1fr); }
  .download-section { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .input-tabs { flex-wrap: wrap; }
  .tab-btn { flex: 1; min-width: 80px; }
  .info-grid { grid-template-columns: 1fr; }
}