/**
 * MyQRCode.fr - Styles principaux
 * Respect de la charte graphique avec variables CSS
 */

/* Variables CSS */
:root {
  /* Couleurs principales */
  --myqr-primary: #4F46E5;
  --myqr-primary-hover: #1c13b2;
  --myqr-primary-light: #ffffff;
  --myqr-primary-dark: #020098;

  /* Couleurs secondaires */
  --myqr-secondary: #10B981;
  --myqr-secondary-hover: #00864e;
  --myqr-secondary-light: #f5ffff;

  /* Accent */
  --myqr-accent: #F59E0B;
  --myqr-accent-hover: #c26b00;

  /* Neutres */
  --myqr-gray-50: #F9FAFB;
  --myqr-gray-100: #F3F4F6;
  --myqr-gray-200: #E5E7EB;
  --myqr-gray-300: #D1D5DB;
  --myqr-gray-400: #9CA3AF;
  --myqr-gray-500: #6B7280;
  --myqr-gray-600: #4B5563;
  --myqr-gray-700: #374151;
  --myqr-gray-800: #1F2937;
  --myqr-gray-900: #111827;

  /* Statuts */
  --myqr-success: #10B981;
  --myqr-danger: #EF4444;
  --myqr-warning: #F59E0B;
  --myqr-info: #3B82F6;

  /* Typographie */
  --myqr-font-family: 'Inter', -apple-system, sans-serif;
  --myqr-font-size-base: 16px;
  --myqr-line-height: 1.5;

  /* Espacements & rayons */
  --myqr-spacing: 1rem;
  --myqr-radius: 8px;
  --myqr-radius-lg: 12px;
  --myqr-radius-xl: 16px;

  /* Ombres */
  --myqr-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --myqr-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
  --myqr-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --myqr-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

  /* Transitions */
  --myqr-transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--myqr-font-family);
  font-size: var(--myqr-font-size-base);
  line-height: var(--myqr-line-height);
  color: var(--myqr-gray-900);
  background: var(--myqr-gray-50);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  background: white;
  border-bottom: 1px solid var(--myqr-gray-200);
  padding: var(--myqr-spacing) calc(var(--myqr-spacing) * 2);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--myqr-shadow-sm);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: calc(var(--myqr-spacing) * 0.75);
}

.logo svg {
  width: 32px;
  height: 32px;
  color: var(--myqr-primary);
}

.nav {
  display: flex;
  gap: var(--myqr-spacing);
}

.nav-link {
  display: flex;
  align-items: center;
  gap: calc(var(--myqr-spacing) * 0.5);
  padding: calc(var(--myqr-spacing) * 0.5) calc(var(--myqr-spacing) * 0.75);
  border-radius: var(--myqr-radius);
  color: var(--myqr-gray-600);
  text-decoration: none;
  transition: var(--myqr-transition);
}

.nav-link:hover {
  background: var(--myqr-gray-100);
  color: var(--myqr-gray-900);
}

.nav-link svg {
  width: 20px;
  height: 20px;
}

/* Main */
.main {
  flex: 1;
  padding: calc(var(--myqr-spacing) * 2);
  max-width: 1400px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: calc(var(--myqr-spacing) * 2);
  align-items: start;
}

.generator-container {
  display: flex;
  flex-direction: column;
  gap: calc(var(--myqr-spacing) * 1.5);
}

.preview-container {
  position: sticky;
  top: calc(80px + var(--myqr-spacing) * 2);
}

/* Card */
.card {
  background: white;
  border-radius: var(--myqr-radius-lg);
  box-shadow: var(--myqr-shadow);
  overflow: hidden;
}

.card-header {
  padding: calc(var(--myqr-spacing) * 1.25);
  border-bottom: 1px solid var(--myqr-gray-200);
}

.card-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--myqr-gray-900);
}

.card-content {
  padding: calc(var(--myqr-spacing) * 1.5);
}

/* Type Selection */
.type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: var(--myqr-spacing);
}

.type-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: calc(var(--myqr-spacing) * 0.5);
  padding: calc(var(--myqr-spacing) * 1.25);
  border: 2px solid var(--myqr-gray-200);
  border-radius: var(--myqr-radius-lg);
  background: white;
  color: var(--myqr-gray-600);
  cursor: pointer;
  transition: var(--myqr-transition);
  font-size: 0.875rem;
  font-weight: 500;
}

.type-btn:hover {
  border-color: var(--myqr-primary);
  color: var(--myqr-primary);
  background: var(--myqr-primary-light);
}

.type-btn.active {
  border-color: var(--myqr-primary);
  background: var(--myqr-primary);
  color: white;
}

.type-btn svg {
  width: 24px;
  height: 24px;
}

.type-btn span {
  font-size: 0.875rem;
}

/* Forms */
.form-section {
  display: none !important;
}

.form-section.active {
  display: block !important;
}

.form-group {
  margin-bottom: calc(var(--myqr-spacing) * 1.25);
  display: block;
}

.form-group:last-child {
  margin-bottom: 0;
}

.form-label {
  display: block;
  margin-bottom: calc(var(--myqr-spacing) * 0.5);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--myqr-gray-700);
}

.form-label i {
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: calc(var(--myqr-spacing) * 0.25);
  vertical-align: middle;
  color: var(--myqr-gray-500);
}

.form-label svg,
.form-label i[data-lucide] {
  width: 16px;
  height: 16px;
  color: var(--myqr-gray-500);
}

.form-input {
  width: 100%;
  padding: calc(var(--myqr-spacing) * 0.75) var(--myqr-spacing);
  border: 1px solid var(--myqr-gray-300);
  border-radius: var(--myqr-radius);
  font-size: 0.9375rem;
  font-family: var(--myqr-font-family);
  color: var(--myqr-gray-900);
  background: white;
  transition: var(--myqr-transition);
}

.form-input:focus {
  outline: none;
  border-color: var(--myqr-primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-input::placeholder {
  color: var(--myqr-gray-400);
}

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

.color-input {
  height: 48px;
  cursor: pointer;
  padding: calc(var(--myqr-spacing) * 0.25);
}

.color-input::-webkit-color-swatch-wrapper {
  padding: 2px;
}

.color-input::-webkit-color-swatch {
  border: none;
  border-radius: calc(var(--myqr-radius) * 0.5);
}

/* Customization Grid */
.customization-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--myqr-spacing);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: calc(var(--myqr-spacing) * 0.5);
  padding: calc(var(--myqr-spacing) * 0.75) calc(var(--myqr-spacing) * 1.5);
  border: none;
  border-radius: var(--myqr-radius);
  font-size: 0.9375rem;
  font-weight: 500;
  font-family: var(--myqr-font-family);
  cursor: pointer;
  transition: var(--myqr-transition);
  text-decoration: none;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-large {
  width: 100%;
  padding: calc(var(--myqr-spacing) * 1) calc(var(--myqr-spacing) * 2);
  font-size: 1rem;
}

.btn-large svg {
  width: 20px;
  height: 20px;
}

.btn-primary {
  background: var(--myqr-primary);
  color: white;
}

.btn-primary:hover {
  background: var(--myqr-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--myqr-shadow-md);
}

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

.btn-secondary {
  background: var(--myqr-secondary);
  color: white;
}

.btn-secondary:hover {
  background: var(--myqr-secondary-hover);
  transform: translateY(-1px);
  box-shadow: var(--myqr-shadow-md);
}

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

/* QR Preview */
.qr-preview {
  min-height: 350px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--myqr-gray-50);
  border-radius: var(--myqr-radius);
  padding: calc(var(--myqr-spacing) * 2);
}

.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--myqr-spacing);
  color: var(--myqr-gray-400);
  text-align: center;
}

.qr-placeholder svg {
  width: 64px;
  height: 64px;
  opacity: 0.5;
}

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

#qr-preview img,
#qr-preview svg {
  max-width: 100%;
  height: auto;
  border-radius: var(--myqr-radius);
}

.download-section {
  margin-top: calc(var(--myqr-spacing) * 1.5);
}

/* Footer */
.footer {
  background: white;
  border-top: 1px solid var(--myqr-gray-200);
  padding: calc(var(--myqr-spacing) * 1.5);
  text-align: center;
  color: var(--myqr-gray-600);
  font-size: 0.875rem;
}

/* Loading State */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 3px solid var(--myqr-gray-300);
  border-top-color: var(--myqr-primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Alert Messages */
.alert {
  padding: var(--myqr-spacing);
  border-radius: var(--myqr-radius);
  margin-bottom: calc(var(--myqr-spacing) * 1.5);
  display: flex;
  align-items: center;
  gap: calc(var(--myqr-spacing) * 0.75);
  font-size: 0.875rem;
}

.alert svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.alert-success {
  background: var(--myqr-secondary-light);
  color: var(--myqr-secondary-hover);
  border: 1px solid var(--myqr-success);
}

.alert-danger {
  background: #FEF2F2;
  color: #991B1B;
  border: 1px solid var(--myqr-danger);
}

.alert-warning {
  background: #FFFBEB;
  color: #92400E;
  border: 1px solid var(--myqr-warning);
}

/* Responsive */
@media (max-width: 1024px) {
  .main {
    grid-template-columns: 1fr;
  }

  .preview-container {
    position: static;
  }
}

@media (max-width: 768px) {
  .main {
    padding: var(--myqr-spacing);
  }

  .type-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .customization-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .header {
    padding: calc(var(--myqr-spacing) * 0.75) var(--myqr-spacing);
  }

  .logo svg {
    width: 24px;
    height: 24px;
  }

  .card-content {
    padding: var(--myqr-spacing);
  }
}