/* ===============================
   BarcodeGuru — Generator Page
   =============================== */

/* ===== Hero ===== */
.gen-hero {
  padding: 140px 0 48px;
  background: linear-gradient(135deg, #0A0F1E 0%, #1a1145 50%, #0A0F1E 100%);
  text-align: center;
  position: relative;
}

.gen-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background:
    radial-gradient(ellipse 500px 300px at 50% 60%, rgba(124,58,237,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.gen-hero-title {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 12px;
  position: relative;
}

.gen-hero-subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.6);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
}

/* ===== Tool Section ===== */
.gen-tool {
  padding: 60px 0 80px;
  background: var(--color-gray-50);
}

.gen-tool-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

/* ===== Card ===== */
.gen-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-gray-200);
}

.gen-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-heading);
  margin-bottom: 24px;
}

/* ===== Form Fields ===== */
.gen-field {
  margin-bottom: 20px;
}

.gen-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-700);
  margin-bottom: 8px;
}

.gen-select-wrapper {
  position: relative;
}

.gen-select-wrapper select {
  width: 100%;
  padding: 12px 40px 12px 16px;
  font-size: 0.9375rem;
  font-family: var(--font-body);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  appearance: none;
  cursor: pointer;
  transition: border-color var(--transition-fast);
}

.gen-select-wrapper select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.gen-select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  pointer-events: none;
  color: var(--color-gray-400);
}

.gen-field textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-family: var(--font-body);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--transition-fast);
}

.gen-field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.gen-field input[type="text"] {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.9375rem;
  font-family: var(--font-body);
  color: var(--color-gray-800);
  background: var(--color-white);
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast);
}

.gen-field input[type="text"]:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.1);
}

.gen-field-hint {
  font-size: 0.8125rem;
  color: var(--color-gray-400);
  margin-top: 6px;
}

/* ===== Generate Button ===== */
.gen-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: #fff;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.gen-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(124,58,237,0.35);
}

.gen-btn:active {
  transform: translateY(0);
}

/* ===== Preview ===== */
.gen-preview-card {
  min-height: 400px;
  display: flex;
  flex-direction: column;
}

.gen-preview-area {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-gray-50);
  border: 2px dashed var(--color-gray-200);
  border-radius: var(--radius-md);
  padding: 32px;
  min-height: 260px;
  overflow-x: auto;
  overflow-y: hidden;
}

.gen-preview-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--color-gray-400);
}

.gen-preview-placeholder p {
  font-size: 0.9375rem;
}

#barcodeCanvas {
  max-width: 100%;
  height: auto;
}

/* ===== Error ===== */
.gen-error {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  margin-top: 16px;
  background: #FEF2F2;
  border: 1px solid #FECACA;
  border-radius: var(--radius-sm);
  color: #DC2626;
  font-size: 0.875rem;
}

/* ===== Action Buttons ===== */
.gen-action-buttons {
  display: flex;
  gap: 12px;
  margin-top: 16px;
}

.gen-action-buttons .gen-download-btn,
.gen-action-buttons .gen-scan-btn {
  flex: 1;
}

/* ===== Download Button ===== */
.gen-download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-primary);
  background: var(--color-primary-light);
  border: 1.5px solid var(--color-primary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.gen-download-btn:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ===== Scan Button ===== */
.gen-scan-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  padding: 14px 24px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  color: var(--color-accent-dark);
  background: #F0F9FF;
  border: 1.5px solid var(--color-accent-dark);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-base);
}

.gen-scan-btn:hover {
  background: var(--color-accent-dark);
  color: #fff;
}

/* ===== Scan Result ===== */
.gen-scan-result {
  margin-top: 16px;
  padding: 16px;
  background: #F0FDF4;
  border: 1px solid #BBF7D0;
  border-radius: var(--radius-sm);
}

.gen-scan-result-header {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #16A34A;
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: 8px;
}

.gen-scan-result-text {
  font-size: 0.9375rem;
  color: var(--color-gray-800);
  word-break: break-all;
  line-height: 1.6;
  padding: 10px 12px;
  background: var(--color-white);
  border-radius: 6px;
  border: 1px solid #E5E7EB;
  user-select: all;
}

/* ===== Supported Formats ===== */
.gen-formats {
  padding: 60px 0 80px;
}

.gen-formats-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-heading);
  text-align: center;
  margin-bottom: 32px;
}

.gen-formats-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 800px;
  margin: 0 auto;
}

.gen-format-tag {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-gray-600);
  background: var(--color-gray-100);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
}

.gen-format-tag:hover,
.gen-format-tag.active {
  color: var(--color-primary);
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .gen-hero {
    padding: 120px 0 40px;
  }

  .gen-hero-title {
    font-size: 2rem;
  }

  .gen-hero-subtitle {
    font-size: 1rem;
  }

  .gen-tool {
    padding: 40px 0 60px;
  }

  .gen-tool-container {
    grid-template-columns: 1fr;
  }

  .gen-card {
    padding: 24px;
  }

  .gen-preview-card {
    min-height: auto;
  }

  .gen-formats {
    padding: 48px 0 64px;
  }
}

@media (max-width: 480px) {
  .gen-hero {
    padding: 104px 0 32px;
  }

  .gen-hero-title {
    font-size: 1.75rem;
  }

  .gen-tool {
    padding: 32px 0 48px;
  }

  .gen-card {
    padding: 20px;
  }

  .gen-preview-area {
    padding: 20px;
    min-height: 200px;
  }
}