/* ======================================= */
/* QR CODE GENERATOR - TWO COLUMN LAYOUT   */
/* ======================================= */

.qr-generator-card {
  max-width: 1200px;
  margin: 0 auto;
  padding: 35px;
  background: linear-gradient(145deg, var(--card-bg) 0%, var(--secondary-bg) 100%);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  box-shadow: 
    0 20px 60px rgba(0, 0, 0, 0.5),
    0 0 0 1px rgba(255, 255, 255, 0.05) inset;
  color: var(--text-color);
  position: relative;
  overflow: hidden;
  box-sizing: border-box;
}

.qr-generator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-purple), var(--accent-blue), var(--accent-purple));
  background-size: 200% 100%;
  animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* Header */
.qr-generator-card h1 {
  color: var(--text-primary);
  font-size: 2rem;
  margin-bottom: 25px;
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Two Column Layout for Desktop */
.qr-generator-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 25px;
}

@media (min-width: 992px) {
  .qr-generator-content {
    grid-template-columns: 1fr 400px;
    align-items: start;
  }
}

.qr-left-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.qr-right-column {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: sticky;
  top: 20px;
}

/* Type Selection Section */
.qr-type-section {
  margin-bottom: 25px;
}

.qr-type-section label {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 12px;
}

.qr-type-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.qr-type-btn {
  padding: 10px 16px;
  background: var(--overlay-dark);
  border: 2px solid var(--border-dark);
  border-radius: 10px;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
  overflow: hidden;
}

.qr-type-btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(147, 51, 234, 0.3);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.qr-type-btn:hover {
  border-color: var(--accent-purple);
  box-shadow: 0 0 20px rgba(147, 51, 234, 0.2);
  transform: translateY(-2px);
}

.qr-type-btn:hover::before {
  width: 300px;
  height: 300px;
}

.qr-type-btn.active {
  background: var(--accent-purple);
  border-color: var(--accent-purple);
  color: white;
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.4);
}

/* Forms Container */
#formContainer {
  background: var(--overlay-dark);
  border: 2px solid var(--border-dark);
  border-radius: 12px;
  padding: 25px;
  transition: all 0.3s ease;
  min-height: 200px;
}

.qr-form {
  display: none;
}

.qr-form.active {
  display: block;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.qr-form label {
  display: block;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 8px;
  margin-top: 15px;
}

.qr-form label:first-child {
  margin-top: 0;
}

.qr-form input[type="text"],
.qr-form input[type="tel"],
.qr-form input[type="email"],
.qr-form input[type="url"],
.qr-form textarea,
.qr-form select {
  width: 100%;
  padding: 12px 16px;
  background: var(--overlay-medium);
  color: var(--text-primary);
  border: 2px solid var(--border-dark);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: all 0.3s ease;
  box-sizing: border-box;
}

.qr-form input::placeholder,
.qr-form textarea::placeholder {
  color: var(--text-secondary);
  opacity: 0.7;
}

.qr-form input:focus,
.qr-form textarea:focus,
.qr-form select:focus {
  outline: none;
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(147, 51, 234, 0.2);
}

.qr-form textarea {
  min-height: 100px;
  resize: vertical;
}

.qr-form .hint {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-top: 8px;
  font-style: italic;
}

.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  margin-top: 12px;
}

.checkbox-label input[type="checkbox"] {
  width: auto;
  cursor: pointer;
}

/* QR Preview Section */
.qr-preview {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 2px solid var(--border-dark);
  border-radius: 12px;
  padding: 30px;
  text-align: center;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

#qrcode {
  display: inline-block;
  animation: fadeInScale 0.4s ease;
}

#qrcode img,
#qrcode canvas {
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.8);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Buttons Section */
.qr-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.generate-btn,
.qr-buttons .button {
  padding: 14px 20px;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  position: relative;
  overflow: hidden;
  color: white;
}

.generate-btn::before,
.qr-buttons .button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.generate-btn:hover::before,
.qr-buttons .button:hover::before {
  width: 500px;
  height: 500px;
}

.generate-btn {
  background: linear-gradient(135deg, var(--accent-purple) 0%, var(--accent-purple-dark) 100%);
  box-shadow: 0 4px 15px rgba(147, 51, 234, 0.4);
}

.generate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(147, 51, 234, 0.6);
}

.qr-buttons .button.secondary {
  background: linear-gradient(135deg, var(--button-primary-bg) 0%, var(--button-primary-hover) 100%);
  box-shadow: 0 4px 15px rgba(35, 134, 54, 0.4);
}

.qr-buttons .button.secondary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(35, 134, 54, 0.6);
}

/* Feedback Box */
.feedback {
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  text-align: center;
  display: none;
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(-10px);
  color: white;
}

.feedback.visible {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 991px) {
  .qr-generator-card {
    padding: 25px 15px;
  }

  .qr-generator-card h1 {
    font-size: 1.6rem;
  }

  .qr-type-buttons {
    gap: 8px;
  }

  .qr-type-btn {
    padding: 8px 12px;
    font-size: 0.85rem;
  }

  #formContainer {
    padding: 20px;
  }

  .qr-preview {
    padding: 20px;
    min-height: 250px;
  }

  .qr-right-column {
    position: static;
  }
}

@media (max-width: 576px) {
  .qr-generator-card {
    padding: 20px 12px;
    border-radius: 16px;
  }

  .qr-generator-card h1 {
    font-size: 1.4rem;
  }

  .qr-type-buttons {
    gap: 6px;
  }

  .qr-type-btn {
    padding: 6px 10px;
    font-size: 0.8rem;
  }

  #formContainer {
    padding: 16px;
  }

  .qr-form input,
  .qr-form textarea,
  .qr-form select {
    padding: 10px 14px;
    font-size: 0.9rem;
  }

  .qr-preview {
    padding: 16px;
    min-height: 220px;
  }

  .generate-btn,
  .qr-buttons .button {
    padding: 12px 16px;
    font-size: 0.9rem;
  }
}