/**
 * Material Design 3 - Composants personnalisés CEM Parapente
 */

/* ===== Hero Section ===== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, var(--md-sys-color-primary) 0%, #0077CC 50%, var(--md-sys-color-secondary) 100%);
  color: var(--md-sys-color-on-primary);
  padding: 80px var(--md-sys-spacing-xl) 60px;
  text-align: center;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M321.39,56.44c58-10.79,114.16-30.13,172-41.86,82.39-16.72,168.19-17.73,250.45-.39C823.78,31,906.67,72,985.66,92.83c70.05,18.48,146.53,26.09,214.34,3V0H0V27.35A600.21,600.21,0,0,0,321.39,56.44Z" fill="rgba(255,255,255,0.05)"/></svg>');
  background-size: cover;
  opacity: 0.3;
}

.hero-section h1 {
  position: relative;
  z-index: 1;
  margin-bottom: var(--md-sys-spacing-md);
  font-weight: 400;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-section p {
  position: relative;
  z-index: 1;
  font-size: 18px;
  opacity: 0.95;
  max-width: 600px;
  margin: 0 auto;
}

/* ===== Stepper Material 3 ===== */
.md-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--md-sys-spacing-lg);
  margin: var(--md-sys-spacing-xl) 0;
  padding: var(--md-sys-spacing-lg);
}

.md-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--md-sys-spacing-sm);
  position: relative;
}

.md-step-indicator {
  width: 48px;
  height: 48px;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: var(--md-sys-color-surface-container-highest);
  color: var(--md-sys-color-on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 18px;
  border: 2px solid var(--md-sys-color-outline-variant);
  transition: all var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-emphasized);
  position: relative;
  z-index: 2;
}

.md-step.active .md-step-indicator {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  border-color: var(--md-sys-color-primary);
  box-shadow: var(--md-sys-elevation-level2);
  transform: scale(1.1);
}

.md-step.completed .md-step-indicator {
  background-color: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
  border-color: var(--md-sys-color-tertiary);
}

.md-step-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface-variant);
  text-align: center;
}

.md-step.active .md-step-label {
  color: var(--md-sys-color-primary);
  font-weight: 600;
}

.md-step-connector {
  width: 80px;
  height: 2px;
  background-color: var(--md-sys-color-outline-variant);
  position: relative;
  top: -30px;
}

.md-step.completed + .md-step .md-step-connector::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background-color: var(--md-sys-color-tertiary);
  animation: fillLine var(--md-sys-motion-duration-long1) var(--md-sys-motion-easing-standard);
}

@keyframes fillLine {
  from { width: 0; }
  to { width: 100%; }
}

/* ===== Calendar Material 3 ===== */
.md-calendar {
  background-color: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-corner-large);
  padding: var(--md-sys-spacing-lg);
  box-shadow: var(--md-sys-elevation-level1);
}

.md-calendar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--md-sys-spacing-lg);
}

.md-calendar-nav {
  display: flex;
  gap: var(--md-sys-spacing-sm);
}

.md-calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 8px;
}

.md-calendar-day-header {
  text-align: center;
  font-size: 12px;
  font-weight: 500;
  color: var(--md-sys-color-on-surface-variant);
  padding: var(--md-sys-spacing-sm);
}

.md-calendar-day {
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--md-sys-shape-corner-full);
  font-size: 14px;
  cursor: pointer;
  transition: all var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
  position: relative;
  color: var(--md-sys-color-on-surface);
}

.md-calendar-day:hover:not(.disabled):not(.selected) {
  background-color: var(--md-sys-color-surface-container-highest);
}

.md-calendar-day.selected {
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-weight: 600;
}

.md-calendar-day.today {
  border: 2px solid var(--md-sys-color-primary);
  font-weight: 500;
}

.md-calendar-day.disabled {
  color: var(--md-sys-color-outline);
  cursor: not-allowed;
  opacity: 0.4;
}

.md-calendar-day.available::after {
  content: '';
  position: absolute;
  bottom: 4px;
  width: 4px;
  height: 4px;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: var(--md-sys-color-tertiary);
}

/* ===== Data Table Material 3 ===== */
.md-data-table {
  width: 100%;
  background-color: var(--md-sys-color-surface);
  border-radius: var(--md-sys-shape-corner-large);
  overflow: hidden;
  box-shadow: var(--md-sys-elevation-level1);
}

.md-data-table table {
  width: 100%;
  border-collapse: collapse;
}

.md-data-table thead {
  background-color: var(--md-sys-color-surface-container);
}

.md-data-table th {
  padding: var(--md-sys-spacing-md);
  text-align: left;
  font-family: var(--md-sys-typescale-label-large-font);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  color: var(--md-sys-color-on-surface);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.md-data-table td {
  padding: var(--md-sys-spacing-md);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  color: var(--md-sys-color-on-surface);
}

.md-data-table tr:hover {
  background-color: var(--md-sys-color-surface-container-highest);
}

.md-data-table tr:last-child td {
  border-bottom: none;
}

/* ===== Stats Card ===== */
.md-stats-card {
  background: linear-gradient(135deg, var(--md-sys-color-primary-container) 0%, var(--md-sys-color-surface-container-low) 100%);
  border-radius: var(--md-sys-shape-corner-large);
  padding: var(--md-sys-spacing-lg);
  box-shadow: var(--md-sys-elevation-level1);
  transition: all var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-emphasized);
}

.md-stats-card:hover {
  box-shadow: var(--md-sys-elevation-level3);
  transform: translateY(-2px);
}

.md-stats-card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--md-sys-shape-corner-medium);
  background-color: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: var(--md-sys-spacing-md);
}

.md-stats-card-value {
  font-size: 32px;
  font-weight: 700;
  color: var(--md-sys-color-on-primary-container);
  margin-bottom: var(--md-sys-spacing-xs);
}

.md-stats-card-label {
  font-size: 14px;
  color: var(--md-sys-color-on-primary-container);
  opacity: 0.8;
}

/* ===== Form Container ===== */
.md-form-container {
  background-color: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-corner-extra-large);
  padding: var(--md-sys-spacing-xl);
  box-shadow: var(--md-sys-elevation-level2);
  max-width: 600px;
  margin: 0 auto;
}

.md-form-section {
  margin-bottom: var(--md-sys-spacing-xl);
}

.md-form-section-title {
  font-family: var(--md-sys-typescale-title-large-font);
  font-size: var(--md-sys-typescale-title-large-size);
  font-weight: var(--md-sys-typescale-title-large-weight);
  color: var(--md-sys-color-on-surface);
  margin-bottom: var(--md-sys-spacing-md);
}

.md-form-row {
  display: flex;
  gap: var(--md-sys-spacing-md);
  margin-bottom: var(--md-sys-spacing-md);
}

.md-form-row > * {
  flex: 1;
}

/* ===== Icon Button ===== */
.md-icon-button {
  width: 40px;
  height: 40px;
  border-radius: var(--md-sys-shape-corner-full);
  background-color: transparent;
  color: var(--md-sys-color-on-surface-variant);
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 24px;
  transition: all var(--md-sys-motion-duration-short2) var(--md-sys-motion-easing-standard);
  position: relative;
  overflow: hidden;
}

.md-icon-button::before {
  content: '';
  position: absolute;
  inset: 0;
  background-color: var(--md-sys-color-on-surface);
  opacity: 0;
  transition: opacity var(--md-sys-motion-duration-short2);
}

.md-icon-button:hover::before {
  opacity: 0.08;
}

.md-icon-button:active::before {
  opacity: 0.12;
}

/* ===== Alert/Banner ===== */
.md-alert {
  display: flex;
  align-items: center;
  gap: var(--md-sys-spacing-md);
  padding: var(--md-sys-spacing-md);
  border-radius: var(--md-sys-shape-corner-small);
  margin-bottom: var(--md-sys-spacing-md);
}

.md-alert-success {
  background-color: #D4EDDA;
  color: #155724;
  border-left: 4px solid #28A745;
}

.md-alert-error {
  background-color: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
  border-left: 4px solid var(--md-sys-color-error);
}

.md-alert-warning {
  background-color: #FFF3CD;
  color: #856404;
  border-left: 4px solid #FFC107;
}

.md-alert-info {
  background-color: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  border-left: 4px solid var(--md-sys-color-primary);
}

/* ===== Avatar ===== */
.md-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--md-sys-shape-corner-full);
  background: linear-gradient(135deg, var(--md-sys-color-primary) 0%, var(--md-sys-color-tertiary) 100%);
  color: var(--md-sys-color-on-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 500;
  font-size: 18px;
}

.md-avatar-lg {
  width: 64px;
  height: 64px;
  font-size: 28px;
}

/* ===== Container & Layout ===== */
.md-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--md-sys-spacing-lg);
}

.md-section {
  padding: var(--md-sys-spacing-xl) 0;
}

.md-grid {
  display: grid;
  gap: var(--md-sys-spacing-lg);
}

.md-grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.md-grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.md-grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* ===== Loading Spinner ===== */
.md-spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--md-sys-color-surface-container-highest);
  border-top-color: var(--md-sys-color-primary);
  border-radius: var(--md-sys-shape-corner-full);
  animation: spin 1s linear infinite;
}

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

.md-spinner-small {
  width: 24px;
  height: 24px;
  border-width: 2px;
}

/* ===== Animations ===== */
.fade-in {
  animation: fadeIn var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}

.slide-up {
  animation: slideUpAnim var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}

@keyframes slideUpAnim {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.scale-in {
  animation: scaleInAnim var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-emphasized);
}

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

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .md-stepper {
    flex-direction: column;
    gap: var(--md-sys-spacing-md);
  }
  
  .md-step-connector {
    display: none;
  }
  
  .md-navigation-drawer {
    width: 100%;
  }
  
  .md-form-row {
    flex-direction: column;
  }
  
  .hero-section {
    padding: 60px var(--md-sys-spacing-lg) 40px;
  }
  
  .md-grid-2,
  .md-grid-3,
  .md-grid-4 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .md-dialog {
    min-width: auto;
    width: 90vw;
  }
  
  .md-calendar {
    padding: var(--md-sys-spacing-md);
  }
  
  .md-calendar-grid {
    gap: 4px;
  }
}