/* === LOADER INTÉGRÉ DANS LA SECTION === */

.section-loader {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0;
    visibility: hidden;
    transform: scale(0.95);
}

.section-loader.active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

.section-loader.hidden {
    display: none;
}

/* Pour s'assurer que la section parent a une position relative */
.form-section {
    position: relative;
    overflow: hidden;
}

.section-loader-content {
    text-align: center;
    padding: 40px 20px;
    width: 100%;
    max-width: 400px;
}

/* Spinner moderne */
.section-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 30px;
}

.spinner-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: sectionSpinnerRotate 2s linear infinite;
}

.spinner-ring:nth-child(1) {
    border-top-color: #006699;
    animation-duration: 2s;
}

.spinner-ring:nth-child(2) {
    border-right-color: #0099ff;
    animation-duration: 3s;
    animation-direction: reverse;
    width: 70%;
    height: 70%;
    top: 15%;
    left: 15%;
}

.spinner-ring:nth-child(3) {
    border-bottom-color: #006699;
    animation-duration: 1.5s;
    width: 50%;
    height: 50%;
    top: 25%;
    left: 25%;
}

@keyframes sectionSpinnerRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Contenu du loader */
.loader-info h4 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark-gray);
    margin-bottom: 8px;
    background: linear-gradient(135deg, #006699, #0099ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.loader-info p {
    font-size: 1rem;
    color: var(--text-light);
    margin-bottom: 25px;
    line-height: 1.5;
}

/* Barre de progression compacte */
.loader-progress-container {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
}

.loader-progress-bar {
    flex: 1;
    height: 6px;
    background: rgba(226, 232, 240, 0.6);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.loader-progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #006699, #0099ff);
    border-radius: 3px;
    width: 0%;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.loader-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.5), transparent);
    animation: progressShine 2s infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.loader-progress-text {
    font-size: 12px;
    font-weight: 600;
    color: #006699;
    min-width: 35px;
    text-align: right;
}

/* Étapes compactes */
.loader-steps {
    display: flex;
    flex-direction: column;
    gap: 8px;
    text-align: left;
}

.loader-step {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.3s ease;
    background: rgba(248, 250, 252, 0.7);
    border: 1px solid transparent;
    font-size: 13px;
}

.loader-step.active {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
    transform: translateX(4px);
}

.loader-step.completed {
    background: rgba(16, 185, 129, 0.1);
    border-color: rgba(16, 185, 129, 0.3);
}

.loader-step-icon {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.loader-step.pending .loader-step-icon {
    background: var(--border-color);
    color: var(--text-light);
}

.loader-step.active .loader-step-icon {
    background: #006699; /* Couleur principale */
    color: white;
    animation: stepPulse 2s infinite;
}

.loader-step.completed .loader-step-icon {
    background: #10B981;
    color: white;
}

.loader-step.completed .loader-step-icon::after {
    content: '✓';
}

@keyframes stepPulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 0 rgba(99, 102, 241, 0.4);
    }
    50% {
        transform: scale(1.1);
        box-shadow: 0 0 0 6px rgba(99, 102, 241, 0);
    }
}

.loader-step-text {
    font-weight: 500;
    color: var(--dark-gray);
    transition: all 0.3s ease;
}

.loader-step.active .loader-step-text {
    font-weight: 600;
    color: #006699; /* Couleur principale */
}

.loader-step.completed .loader-step-text {
    color: #059669;
}

/* Animation d'apparition */
.section-loader-content {
    animation: sectionLoaderFadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

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

/* États spéciaux */
.section-loader.success .spinner-ring {
    border-color: transparent;
    border-top-color: #10B981;
}

.section-loader.error .spinner-ring {
    border-color: transparent;
    border-top-color: #EF4444;
}



/* États de succès et erreur */
.section-loader.success .spinner-ring:nth-child(1),
.section-loader.success .spinner-ring:nth-child(2),
.section-loader.success .spinner-ring:nth-child(3) {
    border-color: transparent;
    border-top-color: #10B981; /* Vert pour succès */
}

.section-loader.error .spinner-ring:nth-child(1),
.section-loader.error .spinner-ring:nth-child(2),
.section-loader.error .spinner-ring:nth-child(3) {
    border-color: transparent;
    border-top-color: #EF4444; /* Rouge pour erreur */
}

.section-loader.success .loader-info h4 {
    background: #10B981;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-loader.error .loader-info h4 {
    background: #EF4444;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive */
@media (max-width: 768px) {
    .section-loader-content {
        padding: 30px 15px;
    }
    
    .section-spinner {
        width: 60px;
        height: 60px;
        margin-bottom: 20px;
    }
    
    .loader-info h4 {
        font-size: 1.2rem;
    }
    
    .loader-info p {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }
    
    .loader-steps {
        gap: 6px;
    }
    
    .loader-step {
        padding: 6px 10px;
        font-size: 12px;
    }
    
    .loader-step-icon {
        width: 16px;
        height: 16px;
        font-size: 9px;
    }
}

@media (max-width: 480px) {
    .section-loader-content {
        padding: 25px 10px;
    }
    
    .section-spinner {
        width: 50px;
        height: 50px;
        margin-bottom: 15px;
    }
    
    .loader-info h4 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }
    
    .loader-info p {
        font-size: 0.85rem;
        margin-bottom: 15px;
    }
    
    .loader-progress-container {
        gap: 8px;
        margin-bottom: 20px;
    }
    
    .loader-progress-text {
        font-size: 11px;
        min-width: 30px;
    }
}

/* Animation de transition */
.section-loader.transitioning {
    animation: sectionLoaderTransition 0.6s ease forwards;
}

@keyframes sectionLoaderTransition {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
       background: rgba(99, 102, 241, 0.05); /* #006699 avec transparence */
    }
}
/* Responsive - Conservation des couleurs */
@media (max-width: 768px) {
    .loader-step.active .loader-step-icon {
        background: #006699;
    }
    
    .loader-step.active .loader-step-text {
        color: #006699;
    }
    
    .loader-progress-text {
        color: #006699;
    }
}