* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 20px;
}

/* Container principal */
.container {
    max-width: 900px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    overflow: hidden;
}

/* Header avec logos */
.header {

    background: linear-gradient(135deg, #ff8c00 0%, #ff6b00 100%);

   /* background:#12A050;  */
    padding: 30px;
    text-align: center;
    position: relative;
}

.logos {
    display: flex;
    justify-content: center;
    gap: 40px;
    align-items: center;
    flex-wrap: wrap;
}

.logo-entreprise, .logo-projet {
    text-align: center;
}

.logo-entreprise img, .logo-projet img {
    max-width: 150px;
    height: auto;
    background: white;
    border-radius: 10px;
    padding: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.logo-placeholder {
    width: 120px;
    height: 120px;
    background: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    color: #666;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

/* Titres */
h1 {
    color: white;
    margin-top: 20px;
    font-size: 28px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.2);
}

/* Progress bar */
.progress-container {
    padding: 20px 30px 0;
}

.progress-bar {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    position: relative;
}

.progress-step {
    text-align: center;
    flex: 1;
    position: relative;
}

.step-number {
    width: 40px;
    height: 40px;
    background: #e0e0e0;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    font-weight: bold;
    color: #666;
    transition: all 0.3s ease;
}

.step-text {
    font-size: 12px;
    color: #666;
}

.progress-step.active .step-number {
    background: #ff8c00;
    color: white;
    box-shadow: 0 0 0 3px rgba(255,140,0,0.3);
}

.progress-step.completed .step-number {
    background: #28a745;
    color: white;
}

.progress-step.completed .step-number::after {
    content: "✓";
}

/* Formulaire */
.form-container {
    padding: 30px;
}

.form-step {
    display: none;
    animation: fadeIn 0.5s ease;
}

.form-step.active {
    display: block;
}

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

.form-group {
    margin-bottom: 25px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #333;
}

.required::after {
    content: "*";
    color: #ff6b00;
    margin-left: 5px;
}

input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 16px;
    transition: all 0.3s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: #ff8c00;
    box-shadow: 0 0 0 3px rgba(255,140,0,0.1);
}

input.error, select.error, textarea.error {
    border-color: #dc3545;
}

.error-message {
    color: #dc3545;
    font-size: 12px;
    margin-top: 5px;
    display: none;
}

/* Radio group */
.radio-group {
    display: flex;
    gap: 20px;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: normal;
    cursor: pointer;
}

.radio-group input {
    width: auto;
}

/* Boutons */
.form-buttons {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.btn {
    padding: 12px 30px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-prev {
    background: #6c757d;
    color: white;
}

.btn-prev:hover {
    background: #5a6268;
    transform: translateY(-2px);
}

.btn-next, .btn-submit {
    background: linear-gradient(135deg, #ff8c00 0%, #ff6b00 100%);
    color: white;
}

.btn-next:hover, .btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255,140,0,0.3);
}

.btn-submit {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
}

/* Messages */
.message {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    display: none;
    animation: slideDown 0.3s ease;
}

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

.message-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.message-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

/* Responsive */
@media (max-width: 768px) {
    .progress-bar {
        flex-direction: column;
        gap: 15px;
    }
    
    .progress-step {
        display: flex;
        align-items: center;
        gap: 15px;
    }
    
    .step-number {
        margin: 0;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 10px;
    }
    
    .form-buttons {
        flex-direction: column;
        gap: 10px;
    }
    
    .btn {
        width: 100%;
    }
}

/* Styles améliorés pour les messages */
.message {
    padding: 15px 20px;
    border-radius: 10px;
    margin-bottom: 20px;
    position: relative;
    font-weight: 500;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    animation: slideDown 0.5s ease;
}

.message-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
    border-left: 5px solid #28a745;
}

.message-error {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
    border-left: 5px solid #dc3545;
}

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

/* Bouton de fermeture pour les messages */
.message {
    position: relative;
    padding-right: 40px;
}

.message-close {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    font-size: 20px;
    font-weight: bold;
    opacity: 0.7;
    transition: opacity 0.3s;
}

.message-close:hover {
    opacity: 1;
}

/* Animation de pulsation pour le message */
@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0.4);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(40, 167, 69, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(40, 167, 69, 0);
    }
}

.message-success {
    animation: slideDown 0.5s ease, pulse 1.5s ease-out;
}