/* ======================================= */
/* QR CODE GENERATOR - MODERN UNIFIED      */
/* ======================================= */

/* ===== COLOR DEFINITIONS ===== */
.qr-generator-card {
  --qr-bg-card: var(--secondary-bg);
  --qr-bg-input: var(--primary-bg);
  --qr-bg-form: var(--secondary-bg);
  --qr-bg-preview: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  --qr-border: var(--border-color);
  --qr-text: var(--text-primary);
  --qr-text-secondary: var(--text-secondary);
  --qr-button-bg: var(--secondary-bg);
  --qr-button-text: var(--text-primary);
  --qr-button-border: var(--border-color);
  --qr-button-hover-border: var(--link-color);
  --qr-button-hover-shadow: rgba(88, 166, 255, 0.2);
  --qr-type-btn-active-bg: var(--link-color);
  --qr-type-btn-active-border: var(--link-color);
  --qr-type-btn-active-shadow: rgba(88, 166, 255, 0.3);
  --qr-focus-border: var(--link-color);
  --qr-focus-shadow: rgba(88, 166, 255, 0.1);
  --qr-warning-bg: rgba(239, 68, 68, 0.08);
  --qr-warning-border: rgba(239, 68, 68, 0.3);
  --qr-warning-text: #dc2626;
  --qr-location-btn-bg: var(--secondary-bg);
  --qr-location-btn-border: var(--link-color);
  --qr-location-btn-text: var(--link-color);
}

/* Light mode overrides */
:root.light-mode .qr-generator-card {
  --qr-bg-card: #ffffff;
  --qr-bg-input: #ffffff;
  --qr-bg-form: #f9fafb;
  --qr-bg-preview: #ffffff;
  --qr-border: #d0d7de;
  --qr-text: #24292f;
  --qr-text-secondary: #57606a;
  --qr-button-bg: #ffffff;
  --qr-button-text: #24292f;
  --qr-button-border: #d0d7de;
  --qr-button-hover-border: #0969da;
  --qr-button-hover-shadow: rgba(9, 105, 218, 0.15);
  --qr-type-btn-active-bg: #0969da;
  --qr-type-btn-active-border: #0969da;
  --qr-type-btn-active-shadow: rgba(9, 105, 218, 0.2);
  --qr-focus-border: #0969da;
  --qr-focus-shadow: rgba(9, 105, 218, 0.1);
  --qr-warning-bg: rgba(220, 38, 38, 0.06);
  --qr-warning-border: rgba(220, 38, 38, 0.25);
  --qr-warning-text: #b91c1c;
  --qr-location-btn-bg: #ffffff;
  --qr-location-btn-border: #0969da;
  --qr-location-btn-text: #0969da;
}

/* ===== MAIN CARD ===== */
.qr-generator-card {
  max-width: 100%;
  margin: 0 auto;
  padding: 2rem;
  background: var(--qr-bg-card);
  border: 1px solid var(--qr-border);
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  color: var(--qr-text);
  position: relative;
  overflow: hidden;
}

/* Gradient top border */
.qr-generator-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, #9333ea, #3b82f6, #9333ea);
  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(--qr-text);
  font-size: 1.75rem;
  margin-bottom: 2rem;
  text-align: center;
  font-weight: 600;
  letter-spacing: -0.5px;
}

/* ===== LAYOUT ===== */
.qr-generator-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-top: 2rem;
}

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

.qr-left-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.qr-right-column {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: sticky;
  top: 20px;
  align-self: start;
}

/* ===== TYPE SELECTION ===== */
.qr-type-section {
  margin-bottom: 1.5rem;
}

.qr-type-section label {
  display: block;
  color: var(--qr-text);
  font-weight: 600;
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.qr-type-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.qr-type-btn {
  padding: 0.625rem 1rem;
  background: var(--qr-button-bg);
  border: 2px solid var(--qr-button-border);
  border-radius: 8px;
  color: var(--qr-button-text);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.qr-type-btn:hover {
  border-color: var(--qr-button-hover-border);
  background: var(--qr-bg-card);
  transform: translateY(-1px);
}

.qr-type-btn.active {
  background: var(--qr-type-btn-active-bg);
  border-color: var(--qr-type-btn-active-border);
  color: white;
  box-shadow: 0 4px 12px var(--qr-type-btn-active-shadow);
}

/* ===== FORM CONTAINER ===== */
#formContainer {
  background: var(--qr-bg-form);
  border: 1px solid var(--qr-border);
  border-radius: 12px;
  padding: 1.5rem;
  transition: all 0.3s ease;
  min-height: 180px;
}

#formContainer:hover {
  border-color: var(--qr-button-hover-border);
}

.qr-form {
  display: none;
}

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

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

.qr-form label {
  display: block;
  color: var(--qr-text);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  margin-top: 1rem;
}

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

/* ===== INPUTS ===== */
.qr-form input[type='text'],
.qr-form input[type='tel'],
.qr-form input[type='email'],
.qr-form input[type='url'],
.qr-form input[type='password'],
.qr-form textarea,
.qr-form select {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--qr-bg-input);
  color: var(--qr-text);
  border: 2px solid var(--qr-border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  transition: all 0.2s ease;
  box-sizing: border-box;
}

.qr-form input::placeholder,
.qr-form textarea::placeholder {
  color: var(--qr-text-secondary);
  opacity: 0.6;
}

.qr-form input:focus,
.qr-form textarea:focus,
.qr-form select:focus {
  outline: none;
  border-color: var(--qr-focus-border);
  box-shadow: 0 0 0 3px var(--qr-focus-shadow);
}

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

.qr-form .hint {
  font-size: 0.8rem;
  color: var(--qr-text-secondary);
  margin-top: 0.5rem;
  font-style: italic;
}

/* Checkbox */
.checkbox-label {
  display: flex !important;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  margin-top: 1rem;
  font-weight: 400;
  color: var(--qr-text);
}

.checkbox-label input[type='checkbox'] {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--qr-focus-border);
}

/* ===== FIX: PASSWORD FIELD WITH TOGGLE ===== */
.password-field-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field-wrapper input[type='password'],
.password-field-wrapper input[type='text'] {
  width: 100%;
  padding-right: 3rem;
}

.password-toggle-btn {
  position: absolute;
  right: 0.5rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  padding: 0.25rem;
  line-height: 1;
  color: var(--qr-text-secondary);
  transition: color 0.2s ease;
  border-radius: 4px;
}

.password-toggle-btn:hover {
  color: var(--qr-text);
}

/* ===== FIX: WIFI WARNING ===== */
.wifi-warning {
  font-size: 0.8rem;
  color: var(--qr-warning-text);
  background: var(--qr-warning-bg);
  border: 1px solid var(--qr-warning-border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  margin-top: 0.5rem;
  margin-bottom: 0;
}

/* ===== FIX: LOCATION DETECT BUTTON ===== */
.location-detect-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  padding: 0.6rem 1rem;
  background: var(--qr-location-btn-bg);
  color: var(--qr-location-btn-text);
  border: 2px solid var(--qr-location-btn-border);
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: inherit;
}

.location-detect-btn:hover {
  background: var(--qr-location-btn-border);
  color: white;
  transform: translateY(-1px);
}

/* ===== FIX: QR SIZE CONTROL ===== */
.qr-size-control {
  background: var(--qr-bg-form);
  border: 1px solid var(--qr-border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
}

.qr-size-control label {
  display: block;
  color: var(--qr-text);
  font-weight: 500;
  font-size: 0.875rem;
  margin-bottom: 0.75rem;
}

.qr-size-control label span {
  font-weight: 700;
  color: var(--qr-focus-border);
}

#qrSizeSlider {
  width: 100%;
  accent-color: var(--qr-focus-border);
  cursor: pointer;
  height: 4px;
}

.qr-size-hints {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--qr-text-secondary);
  margin-top: 0.4rem;
}

/* ===== QR PREVIEW ===== */
.qr-preview {
  background: var(--qr-bg-preview);
  border: 1px solid var(--qr-border);
  border-radius: 12px;
  padding: 2rem;
  text-align: center;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05);
  overflow: hidden;
}

#qrcode {
  display: inline-block;
}

/* FIX: animation on inner div (re-created each generate) instead of #qrcode */
#qrcode > div {
  animation: fadeInScale 0.4s ease;
}

#qrcode img,
#qrcode canvas {
  border-radius: 8px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  display: block;
  max-width: 100%;
  height: auto;
}

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

/* ===== BUTTONS ===== */
.qr-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Generate button — blauw */
.generate-btn,
#generateQR {
  padding: 0.875rem 1.5rem;
  border: 2px solid var(--qr-type-btn-active-border) !important;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--qr-type-btn-active-bg) !important;
  color: white !important;
  box-shadow: 0 2px 8px var(--qr-type-btn-active-shadow) !important;
  font-family: inherit;
}

.generate-btn:hover,
#generateQR:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--qr-type-btn-active-shadow) !important;
  opacity: 0.9;
}

.generate-btn:active,
#generateQR:active {
  transform: translateY(0);
}

/* Download button — groen */
.qr-buttons .button,
.qr-buttons .button.secondary,
#downloadQR {
  padding: 0.875rem 1.5rem;
  border: 2px solid var(--button-primary-bg) !important;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--button-primary-bg) !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(35, 134, 54, 0.3) !important;
  font-family: inherit;
}

.qr-buttons .button:hover,
.qr-buttons .button.secondary:hover,
#downloadQR:hover {
  background: var(--button-primary-hover) !important;
  border-color: var(--button-primary-hover) !important;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(35, 134, 54, 0.4) !important;
}

.qr-buttons .button:active,
.qr-buttons .button.secondary:active,
#downloadQR:active {
  transform: translateY(0);
}

/* ===== FEEDBACK ===== */
.feedback {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  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 ===== */
@media (max-width: 991px) {
  .qr-generator-card {
    padding: 1.5rem;
  }

  .qr-generator-card h1 {
    font-size: 1.5rem;
  }

  .qr-type-buttons {
    gap: 0.5rem;
  }

  .qr-type-btn {
    padding: 0.5rem 0.875rem;
    font-size: 0.8rem;
  }

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

@media (max-width: 576px) {
  .qr-generator-card {
    padding: 1.25rem;
    border-radius: 12px;
  }

  .qr-generator-card h1 {
    font-size: 1.35rem;
    margin-bottom: 1.5rem;
  }

  .qr-type-buttons {
    gap: 0.5rem;
  }

  .qr-type-btn {
    padding: 0.5rem 0.75rem;
    font-size: 0.75rem;
  }

  #formContainer {
    padding: 1.25rem;
  }

  .qr-preview {
    padding: 1.5rem;
    min-height: 240px;
  }

  .generate-btn,
  .qr-buttons .button {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
  }
}