.form-progress-container { margin-bottom: 24px; padding: 24px; background: rgba(255,255,255,0.5); border-radius: 16px; }
.form-progress-bar-container { height: 8px; background: #e9ecef; border-radius: 4px; overflow: hidden; }
.form-progress-bar { height: 100%; background: linear-gradient(90deg, #2575fc, #6a11cb); transition: width 0.6s; }
.form-progress-text { font-size: 0.875rem; color: #6c757d; margin-top: 8px; font-weight: 500; }

.form-floating .form-control.is-valid,
.form-floating .form-select.is-valid {
  border-color: rgba(25, 135, 84, 0.45);
  box-shadow: 0 0 0 1px rgba(25, 135, 84, 0.15);
  background-image: none;
}
.form-floating.position-relative .form-control.is-valid {
  padding-right: 3rem;
}
.form-floating .form-control.is-valid:focus,
.form-floating .form-select.is-valid:focus {
  border-color: rgba(25, 135, 84, 0.6);
  box-shadow: 0 0 0 0.2rem rgba(25, 135, 84, 0.15);
}
.form-floating.position-relative {
  overflow: visible;
}
.form-floating.position-relative > button.position-absolute,
.password-toggle-btn {
  z-index: 10;
  pointer-events: auto;
  color: #495057 !important;
  opacity: 1;
  visibility: visible;
}
.password-toggle-btn:hover {
  color: #212529 !important;
}
.form-floating.position-relative .form-control.is-invalid {
  background-image: none;
  padding-right: 3rem;
}
.valid-feedback-check {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 0.25rem;
  font-size: 0.8125rem;
  color: rgba(25, 135, 84, 0.9);
}
.valid-feedback-check i {
  font-size: 1rem;
}
body {
    background: linear-gradient(180deg, #F5F5F7 0%, #FFFFFF 100%);
    min-height: 100vh;
  }
  
  .organizer-header {
    background-image: url('https://images.unsplash.com/photo-1478147427282-58a87a120781?w=1920&q=80');
    background-size: cover;
    background-position: center;
    position: relative;
    color: white;
    padding: 120px 20px 80px;
    border-radius: 0;
    position: relative;
    overflow: hidden;
  }
  
  .organizer-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 0.6;
  }
  
  .organizer-header .container {
    position: relative;
    z-index: 1;
  }
  
  .organizer-header h1 {
    font-weight: 700;
    font-size: 3rem;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
  }
  
  .organizer-header .lead {
    font-size: 1.25rem;
    opacity: 0.95;
    font-weight: 400;
    letter-spacing: -0.01em;
  }
  
  .step-indicator {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 60px 0;
    padding: 40px 32px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: 28px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    position: relative;
    border: 0.5px solid rgba(0, 0, 0, 0.05);
  }
  
  .step {
    display: flex;
    align-items: center;
    position: relative;
    flex: 1;
    max-width: 200px;
  }
  
  .step-label {
    position: absolute;
    top: -35px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 12px;
    font-weight: 600;
    color: #6c757d;
    white-space: nowrap;
  }
  
  .step.active .step-label {
    color: #2575fc;
  }
  
  .step.completed .step-label {
    color: #28a745;
  }
  
  .step-circle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #e9ecef, #dee2e6);
    color: #6c757d;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
    position: relative;
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  }
  
  .step.active .step-circle {
    background-image: url('https://images.unsplash.com/photo-1507874457470-272b3c8d8ee2?w=1920&q=80');
    background-size: cover;
    background-position: center;
    position: relative;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 117, 252, 0.4);
  }
  
  .step.active .step-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
  }
  
  .step.active .step-circle > * {
    position: relative;
    z-index: 1;
  }
  
  .step.completed .step-circle {
    background-image: url('https://images.unsplash.com/photo-1515169067865-5387ec356754?w=1920&q=80');
    background-size: cover;
    background-position: center;
    position: relative;
    color: white;
    box-shadow: 0 4px 15px rgba(40, 167, 69, 0.3);
  }
  
  .step.completed .step-circle::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 50%;
  }
  
  .step.completed .step-circle > * {
    position: relative;
    z-index: 1;
  }
  
  .step.completed .step-circle::after {
    content: '\2713';
    color: #fff;
    position: absolute;
    font-size: 1.5rem;
  }
  
  .step-line {
    flex: 1;
    height: 4px;
    background: linear-gradient(90deg, #e9ecef, #dee2e6);
    margin: 0 15px;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s;
  }
  
  .step-line::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: linear-gradient(90deg, #28a745, #20c997);
    transition: width 0.6s ease;
  }
  
  .step.completed .step-line::after {
    width: 100%;
  }
  
  .step:last-child .step-line {
    display: none;
  }
  
  .form-section {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: 32px;
    padding: 56px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
    margin-bottom: 32px;
    position: relative;
    overflow: hidden;
    animation: slideIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 0.5px solid rgba(0, 0, 0, 0.05);
  }
  
  @keyframes slideIn {
    from {
      opacity: 0;
      transform: translateY(30px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  @keyframes slideOut {
    from {
      opacity: 1;
      transform: translateY(0);
    }
    to {
      opacity: 0;
      transform: translateY(-30px);
    }
  }
  
  .is-invalid {
    border-color: #dc3545 !important;
  }
  
  .is-invalid:focus {
    box-shadow: 0 0 0 0.2rem rgba(220, 53, 69, 0.25) !important;
  }
  
  .form-section {
    position: relative;
  }
  
  .form-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background-image: url('https://images.unsplash.com/photo-1507874457470-272b3c8d8ee2?w=1920&q=80');
    background-size: cover;
    background-position: center;
    z-index: 0;
  }
  
  .form-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
  }
  
  .form-section h5 {
    color: #1D1D1F;
    font-weight: 700;
    font-size: 1.75rem;
    margin-bottom: 16px;
    padding-bottom: 20px;
    border-bottom: 0.5px solid rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    letter-spacing: -0.02em;
  }
  
  .form-section h5 i {
    margin-right: 12px;
    font-size: 1.875rem;
    color: #E85D04;
  }
  
  .form-floating > label {
    color: #6c757d;
    font-weight: 500;
  }
  
  .form-control:focus,
  .form-select:focus {
    border-color: #2575fc;
    box-shadow: 0 0 0 0.2rem rgba(37, 117, 252, 0.15);
  }
  
  .form-control,
  .form-select {
    border-radius: 12px;
    border: 2px solid #e9ecef;
    padding: 12px 16px;
    transition: all 0.3s;
  }
  
  .form-control:focus,
  .form-select:focus {
    border-color: #2575fc;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 117, 252, 0.15);
  }
  
  .btn-primary {
    background: #E85D04;
    border: none;
    border-radius: 20px;
    padding: 14px 32px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 2px 8px rgba(0, 122, 255, 0.3);
    color: white;
    letter-spacing: -0.01em;
  }
  
  .btn-primary:hover {
    background: #0051D5;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.4);
    color: white;
  }
  
  .btn-outline-secondary {
    border-radius: 12px;
    padding: 14px 30px;
    font-weight: 600;
    border: 2px solid #e9ecef;
    transition: all 0.3s;
  }
  
  .btn-outline-secondary:hover {
    background: #f8f9fa;
    border-color: #dee2e6;
    transform: translateY(-2px);
  }
  
  .benefit-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: saturate(180%) blur(20px);
    -webkit-backdrop-filter: saturate(180%) blur(20px);
    border-radius: 24px;
    padding: 40px;
    text-align: center;
    height: 100%;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    border: 0.5px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
  }
  
  .benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-image: url('https://images.unsplash.com/photo-1507874457470-272b3c8d8ee2?w=1920&q=80');
    background-size: cover;
    background-position: center;
  }
  
  .benefit-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
  }
  
  .benefit-card:hover::before {
    transform: scaleX(1);
  }
  
  .benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: #2575fc;
  }
  
  .benefit-icon {
    font-size: 4rem;
    background: linear-gradient(135deg, #6a11cb, #2575fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    display: inline-block;
    transition: transform 0.3s;
  }
  
  .benefit-card:hover .benefit-icon {
    transform: scale(1.15);
  }
  
  .upload-area {
    border: 2px dashed rgba(0, 122, 255, 0.3);
    border-radius: 24px;
    padding: 56px;
    text-align: center;
    background: rgba(248, 249, 250, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
    overflow: hidden;
  }
  
  .upload-area:hover {
    border-color: #E85D04;
    background: rgba(0, 122, 255, 0.05);
    transform: scale(1.02);
  }
  
  .upload-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1507874457470-272b3c8d8ee2?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background: linear-gradient(90deg, transparent, rgba(0, 0, 0, 0.1), transparent);
    transition: left 0.5s;
  }
  
  .upload-area:hover::before {
    left: 100%;
  }
  
  .upload-area:hover {
    background-image: url('https://images.unsplash.com/photo-1492684223066-81342ee5ff30?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background: linear-gradient(135deg, rgba(231, 243, 255, 0.9) 0%, rgba(240, 248, 255, 0.9) 100%),
                url('https://images.unsplash.com/photo-1492684223066-81342ee5ff30?w=1920&q=80');
    background-size: cover, cover;
    background-position: center, center;
    border-color: #6a11cb;
    transform: scale(1.02);
    box-shadow: 0 10px 30px rgba(37, 117, 252, 0.2);
  }
  
  .upload-area.dragover {
    background-image: url('https://images.unsplash.com/photo-1511578314322-379afb476865?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background: linear-gradient(135deg, rgba(231, 243, 255, 0.9), rgba(208, 231, 255, 0.9)),
                url('https://images.unsplash.com/photo-1511578314322-379afb476865?w=1920&q=80');
    background-size: cover, cover;
    background-position: center, center;
    border-color: #2575fc;
    transform: scale(1.05);
  }
  
  .upload-area i {
    display: block;
    margin-bottom: 15px;
    animation: float 3s ease-in-out infinite;
  }
  
  @keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
  }
  
  .step-icon {
    position: absolute;
    right: 30px;
    top: 30px;
    font-size: 5rem;
    opacity: 0.1;
    color: #2575fc;
  }
  
  .section-step-1 .step-icon::before { content: '\1f464'; }
  .section-step-2 .step-icon::before { content: '\1f4bc'; }
  .section-step-3 .step-icon::before { content: '\2728'; }
  
  .event-type-option {
    transition: all 0.3s;
    cursor: pointer;
    background: white;
  }
  
  .event-type-option:hover {
    border-color: #2575fc !important;
    background: #f8f9ff;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(37, 117, 252, 0.1);
  }
  
  .event-type-option input[type="checkbox"]:checked + label {
    color: #2575fc;
  }
  
  .event-type-option input[type="checkbox"]:checked ~ * {
    border-color: #2575fc;
  }
  
  .event-type-option:has(input[type="checkbox"]:checked) {
    border-color: #2575fc !important;
    background-image: url('https://images.unsplash.com/photo-1503428593586-e225b39bddfe?w=1920&q=80');
    background-size: cover;
    background-position: center;
    background: linear-gradient(135deg, rgba(248, 249, 255, 0.95), rgba(255, 255, 255, 0.95)),
                url('https://images.unsplash.com/photo-1503428593586-e225b39bddfe?w=1920&q=80');
    background-size: cover, cover;
    background-position: center, center;
    box-shadow: 0 5px 20px rgba(37, 117, 252, 0.2);
  }
  
  .event-type-option label {
    cursor: pointer;
    text-align: center;
  }
  
  .event-type-option label i {
    color: #2575fc;
    transition: transform 0.3s;
  }
  
  .event-type-option:hover label i {
    transform: scale(1.2);
  }
  
  .form-check-input:checked {
    background-color: #2575fc;
    border-color: #2575fc;
  }
  
  /* Responsive Design */
  @media (max-width: 991.98px) {
    .organizer-header {
      padding: 100px 20px 60px;
    }
    
    .organizer-header h1 {
      font-size: 2.5rem;
    }
    
    .organizer-header .lead {
      font-size: 1.125rem;
    }
    
    .step-indicator {
      padding: 32px 20px;
      margin: 40px 0;
    }
    
    .form-section {
      padding: 40px 32px;
    }
    
    .form-section h5 {
      font-size: 1.5rem;
    }
    
    .benefit-card {
      margin-bottom: 20px;
    }
    
    .event-type-option {
      margin-bottom: 12px;
    }
  }
  
  @media (max-width: 767.98px) {
    .organizer-header {
      padding: 80px 16px 48px;
      margin-top: 60px;
    }
    
    .organizer-header h1 {
      font-size: 2rem;
    }
    
    .organizer-header .lead {
      font-size: 1rem;
    }
    
    .step-indicator {
      padding: 24px 16px;
      margin: 32px 0;
      border-radius: 20px;
    }
    
    .step {
      flex: 1;
      max-width: none;
    }
    
    .step-circle {
      width: 50px;
      height: 50px;
      font-size: 1rem;
    }
    
    .step-line {
      width: 40px;
      margin: 0 8px;
    }
    
    .step-label {
      font-size: 0.6875rem;
      top: -28px;
    }
    
    .form-section {
      padding: 32px 20px;
      border-radius: 24px;
      margin-bottom: 24px;
    }
    
    .form-section h5 {
      font-size: 1.375rem;
      margin-bottom: 12px;
      padding-bottom: 16px;
    }
    
    .form-section h5 i {
      font-size: 1.5rem;
    }
    
    .form-section p.text-muted {
      font-size: 0.9375rem;
      margin-bottom: 24px;
    }
    
    .form-progress-container {
      padding: 20px 16px;
      margin-bottom: 24px;
    }
    
    .step-icon {
      font-size: 3rem;
      right: 16px;
      top: 16px;
    }
    
    .benefit-card {
      padding: 28px 20px;
      margin-bottom: 16px;
    }
    
    .benefit-icon {
      font-size: 2.5rem;
      margin-bottom: 16px;
    }
    
    .upload-area {
      padding: 40px 24px;
      border-radius: 20px;
    }
    
    .upload-area i {
      font-size: 2.5rem;
    }
    
    .event-type-option {
      padding: 20px 16px;
      margin-bottom: 12px;
    }
    
    .event-type-option label i {
      font-size: 2rem;
    }
    
    .btn-lg {
      padding: 12px 24px;
      font-size: 0.9375rem;
      width: 100%;
    }
    
    .d-flex.gap-2 {
      flex-direction: column;
    }
    
    .d-flex.gap-2 .btn {
      width: 100%;
    }
  }
  
  @media (max-width: 575.98px) {
    .organizer-header {
      padding: 60px 12px 40px;
    }
    
    .organizer-header h1 {
      font-size: 1.75rem;
    }
    
    .organizer-header .lead {
      font-size: 0.9375rem;
    }
    
    .step-indicator {
      padding: 20px 12px;
      flex-direction: column;
      gap: 16px;
    }
    
    .step {
      width: 100%;
      justify-content: center;
    }
    
    .step-line {
      display: none;
    }
    
    .step-label {
      position: static;
      margin-top: 8px;
      transform: none;
    }
    
    .form-section {
      padding: 24px 16px;
    }
    
    .form-section h5 {
      font-size: 1.25rem;
    }
    
    .form-control,
    .form-select {
      padding: 10px 14px;
      font-size: 0.9375rem;
    }
    
    .form-floating > label {
      font-size: 0.875rem;
    }
    
    .benefit-card {
      padding: 24px 16px;
    }
    
    .upload-area {
      padding: 32px 16px;
    }
    
    .event-type-option {
      padding: 16px 12px;
    }
    
    .event-type-option label {
      font-size: 0.875rem;
    }
    
    .event-type-option label i {
      font-size: 1.75rem;
      margin-bottom: 8px;
    }
    
    .form-progress-container {
      padding: 16px 12px;
    }
    
    .form-progress-text {
      font-size: 0.75rem;
    }
  }
  
  /* Amélioration pour très petits écrans */
  @media (max-width: 375px) {
    .organizer-header h1 {
      font-size: 1.5rem;
    }
    
    .step-circle {
      width: 44px;
      height: 44px;
      font-size: 0.9375rem;
    }
    
    .form-section {
      padding: 20px 12px;
    }
    
    .btn-lg {
      padding: 10px 20px;
      font-size: 0.875rem;
    }
  }
  
  /* Orientation landscape sur mobile */
  @media (max-width: 767.98px) and (orientation: landscape) {
    .organizer-header {
      padding: 60px 16px 40px;
    }
    
    .organizer-header h1 {
      font-size: 1.75rem;
    }
    
    .step-indicator {
      margin: 24px 0;
      padding: 16px 12px;
    }
    
    .form-section {
      padding: 24px 16px;
    }
  }