/* Variables */
:root {
    /* Couleurs principales */
    --brand-blue: #1461f8;
    --primary-color: rgba(20, 97, 248, 0.6);
    --primary-dark: rgba(16, 78, 200, 0.7);
    --secondary-color: rgba(20, 97, 248, 0.4);
    --success-color: #1461f8;
    --danger-color: #dc3545;
    --text-color: #2C3E50;
    --background-color: #f8fafc;
    
    /* Variations de transparence du bleu */
    --blue-05: rgba(20, 97, 248, 0.05);
    --blue-10: rgba(20, 97, 248, 0.1);
    --blue-20: rgba(20, 97, 248, 0.2);
    --blue-30: rgba(20, 97, 248, 0.3);
    --blue-40: rgba(20, 97, 248, 0.4);
    --blue-50: rgba(20, 97, 248, 0.5);
    
    /* Bordures et ombres */
    --border-color: rgba(20, 97, 248, 0.15);
    --shadow-color: rgba(20, 97, 248, 0.1);
    --shadow-color-dark: rgba(20, 97, 248, 0.2);
    --shadow-color-light: rgba(255, 255, 255, 0.7);
    
    /* Effets visuels */
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(20, 97, 248, 0.125);
    --glass-shadow: rgba(20, 97, 248, 0.1);
    --glass-highlight: rgba(20, 97, 248, 0.05);
    
    /* Validation Bootstrap */
    --bs-form-valid-color: #1461f8 !important;
    --bs-form-valid-border-color: #1461f8 !important;
    --bs-form-valid-bg: rgba(20, 97, 248, 0.1) !important;
    --bs-success: #1461f8 !important;
    --bs-success-rgb: 20, 97, 248 !important;
    
    /* Barre de progression */
    --progress-height: 4px;
    --progress-background: var(--blue-10);
    --progress-gradient: linear-gradient(
        90deg,
        rgba(20, 97, 248, 0.8) 0%,
        rgba(20, 97, 248, 0.9) 50%,
        rgba(20, 97, 248, 0.8) 100%
    );

    /* Autres variables existantes */
    --header-height: 80px;
    --progress-container-height: 4px;
    --z-index-navbar: 9999;
    --z-index-progress: 9998;
    --z-index-content: 1;
    --navbar-total-height: calc(var(--header-height) + var(--progress-height));
    --progress-width: 400px;
    
    /* Ombres personnalisées */
    --neu-shadow: 8px 8px 15px var(--shadow-color), -8px -8px 15px var(--shadow-color-light);
    --neu-shadow-inset: inset 3px 3px 7px var(--shadow-color-dark), inset -3px -3px 7px var(--shadow-color-light);
}

/* Styles généraux */
html, body {
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

body {
    font-family: 'Poppins', sans-serif;
    background: linear-gradient(135deg, #f6f9fc 0%, #eef2f7 100%);
    color: var(--text-color);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 20%, var(--blue-10) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, var(--blue-05) 0%, transparent 50%);
    z-index: -1;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0;
    z-index: var(--z-index-navbar);
    box-shadow: 0 8px 32px var(--glass-shadow);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.navbar-content {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    position: relative;
    z-index: var(--z-index-navbar);
}

.navbar-content .container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    height: 100%;
    max-width: 800px;
    position: relative;
    z-index: var(--z-index-navbar);
}

.navbar-brand {
    padding: 0.5rem 0;
    margin: 0;
}

.navbar-brand img {
    max-height: 48px;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
    transition: transform 0.3s ease;
}

.navbar-brand img:hover {
    transform: scale(1.05);
}

/* Main Content */
.main-content {
    flex: 1;
    overflow-y: auto;
    height: calc(100vh - var(--header-height));
    position: relative;
    z-index: var(--z-index-content);
    padding-top: var(--header-height);
}

.custom-form {
    flex: 1;
    padding: 2rem;
    margin: 0;
    position: relative;
}

/* Progress Bar */
.progress-container {
    width: var(--progress-width);
    height: 4px;
    background: var(--glass-bg);
    margin: 0;
}

.progress {
    width: 100%;
    height: 100%;
    background: rgba(20, 97, 248, 0.1);
    border-radius: 2px;
    overflow: hidden;
    position: relative;
    margin: 0;
}

.progress-bar {
    height: 100%;
    background: var(--progress-gradient);
    background-size: 200% 100%;
    animation: gradientShift 8s linear infinite;
    position: relative;
    transition: width 0.4s ease;
    border-radius: 2px;
}

.progress-bar::before {
    content: attr(data-progress) '%';
    position: absolute;
    right: 0;
    top: -20px;
    background: var(--glass-bg);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
    color: var(--text-color);
    transform: translateX(50%);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.progress-bar:hover::before {
    opacity: 1;
}

.progress-bar::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* Progress Bar Animations */
@keyframes gradientShift {
    0% {
        background-position: 100% 0;
    }
    100% {
        background-position: -100% 0;
    }
}

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

/* Section Titles */
.section-title {
    position: relative;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 4px 15px var(--glass-shadow);
    transform: translateY(0);
    transition: all 0.3s ease;
    opacity: 0.7;
}

.section-title.active {
    opacity: 1;
    transform: translateY(-5px);
    box-shadow: 0 8px 25px var(--glass-shadow);
    border-color: var(--brand-blue);
}

.section-title h3 {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 0;
    color: var(--text-color);
    font-size: 1.75rem;
    font-weight: 600;
}

.section-title .icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background: var(--brand-blue);
    color: white;
    border-radius: 12px;
    font-size: 1.5rem;
    transition: all 0.3s ease;
}

.section-title.active .icon {
    transform: scale(1.1);
    box-shadow: 0 0 20px var(--blue-30);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid var(--glass-border);
    transition: all 0.3s ease;
}

.section-title.active::after {
    border-top-color: var(--brand-blue);
}

/* Form Sections */
.form-sections-container {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    min-height: calc(100% - 4rem);
}

.form-section {
    display: none;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2rem;
    box-shadow: 0 8px 32px var(--glass-shadow);
    margin-bottom: 2rem;
    transition: all 0.3s ease;
    position: relative;
}

.form-section.active {
    display: block;
    animation: glassSlideIn 0.6s ease;
}

/* Suppression du style h3 existant dans form-section car il sera déplacé */
.form-section h3 {
    display: none;
}

/* Question Groups */
.question-group {
    background: var(--glass-highlight);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.question-group:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 30px var(--glass-shadow);
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.question-group h4 {
    font-size: 1.25rem;
    color: var(--brand-blue);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

/* Form Controls */
.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
    margin-bottom: 1rem;
    display: block;
}

.form-control,
.form-select {
    background: var(--glass-highlight);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    color: var(--text-color);
    border-radius: 10px;
    padding: 0.75rem 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-control:hover,
.form-select:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 12px var(--glass-shadow);
}

.form-control:focus,
.form-select:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.25);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(20, 97, 248, 0.2);
    transform: translateY(-2px);
}

/* Checkboxes and Radios */
.form-check {
    background: var(--glass-highlight);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    padding: 1rem;
    margin-bottom: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.form-check:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 20px var(--glass-shadow);
}

.form-check-input {
    display: none;
}

.form-check-label {
    font-size: 1rem;
    color: var(--text-color);
    cursor: pointer;
    padding-left: 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    position: relative;
}

.form-check-label::before {
    content: '';
    width: 20px;
    height: 20px;
    margin-right: 10px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid var(--blue-40);
    border-radius: 4px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Style pour les checkboxes cochées */
input[type="checkbox"] + .form-check-label::before {
    border-radius: 4px;
    border: 2px solid var(--blue-40);
    background: white;
    box-shadow: 0 0 0 1px var(--blue-10);
}

.form-section.active input[type="checkbox"]:checked + .form-check-label::before {
    background-color: var(--brand-blue);
    border-color: var(--brand-blue);
    box-shadow: 0 0 15px var(--blue-30);
}

.form-section.active input[type="checkbox"]:checked + .form-check-label::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    width: 8px;
    height: 14px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: translateY(-65%) rotate(45deg);
    transition: all 0.2s ease;
}

/* Style pour les éléments non sélectionnés au hover */
.form-check:hover input[type="checkbox"] + .form-check-label::before {
    border-color: var(--brand-blue);
    box-shadow: 0 0 10px var(--blue-20);
}

/* Style pour les boutons radio */
input[type="radio"] + .form-check-label::before {
    border-radius: 50%;
    border: 2px solid var(--blue-40);
    background: white;
    box-shadow: 0 0 0 1px var(--blue-10);
}

.form-section.active input[type="radio"]:checked + .form-check-label::before {
    background-color: var(--brand-blue);
    border-color: var(--brand-blue);
    box-shadow: 0 0 15px var(--blue-30);
}

.form-section.active input[type="radio"]:checked + .form-check-label::after {
    content: '';
    position: absolute;
    left: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
}

/* Style pour les éléments non sélectionnés au hover */
.form-check:hover input[type="radio"] + .form-check-label::before {
    border-color: var(--brand-blue);
    box-shadow: 0 0 10px var(--blue-20);
}

/* Réinitialisation des styles pour les sections non actives */
.form-section:not(.active) input[type="radio"] + .form-check-label::before,
.form-section:not(.active) input[type="checkbox"] + .form-check-label::before {
    background-color: white !important;
    border-color: var(--blue-40) !important;
    box-shadow: 0 0 0 1px var(--blue-10) !important;
}

.form-section:not(.active) input[type="radio"] + .form-check-label::after,
.form-section:not(.active) input[type="checkbox"] + .form-check-label::after {
    content: none !important;
}

.form-section:not(.active) .form-check-label {
    color: var(--text-color) !important;
}

/* Styles de validation personnalisés */
.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: #1461f8 !important;
    background-color: rgba(20, 97, 248, 0.1) !important;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%231461f8' d='M2.3 6.73.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3e%3c/svg%3e") !important;
}

/* Style spécifique pour les select validés */
.was-validated .form-select:valid,
.form-select.is-valid {
    border-color: #1461f8 !important;
    background-color: rgba(20, 97, 248, 0.1) !important;
    background-image: none !important;
}

/* Suppression des styles de validation pour les checkboxes et radios */
.was-validated .form-check-input:valid,
.form-check-input.is-valid,
.was-validated .form-check-input:valid:checked,
.form-check-input.is-valid:checked,
.was-validated .form-check-input:valid ~ .form-check-label,
.form-check-input.is-valid ~ .form-check-label {
    border-color: var(--blue-40) !important;
    background-color: transparent !important;
    color: var(--text-color) !important;
}

/* Form Navigation */
.form-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 -8px 32px var(--glass-shadow);
    z-index: 1000;
    border-top: 1px solid var(--glass-border);
}

.form-navigation .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 800px;
}

.form-navigation .text-muted {
    font-size: 0.9rem;
    opacity: 0.8;
    white-space: nowrap;
}

.form-navigation .btn {
    min-width: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 500;
}

.form-navigation .btn i {
    transition: transform 0.3s ease;
}

.form-navigation .btn:hover i {
    transform: translateY(-2px);
}

.form-navigation #prevBtn:hover i {
    transform: translateY(-2px);
}

.form-navigation #nextBtn:hover i,
.form-navigation #submitBtn:hover i {
    transform: translateY(2px);
}

.btn {
    background: var(--glass-highlight);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid var(--glass-border);
    color: var(--text-color);
    padding: 0.75rem 2rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 12px 24px var(--glass-shadow);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn:active {
    transform: translateY(-1px);
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

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

.btn-success:hover {
    background: var(--primary-color);
}

/* Validation Styles */
.is-invalid {
    border-color: rgba(231, 76, 60, 0.6) !important;
    box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.2) !important;
}

.valid-feedback {
    color: #1461f8 !important;
}

.was-validated .form-control:valid:focus,
.form-control.is-valid:focus {
    border-color: #1461f8 !important;
    box-shadow: 0 0 0 0.25rem rgba(20, 97, 248, 0.25) !important;
}

/* Surcharge des styles Bootstrap */
.text-success {
    color: #1461f8 !important;
}

.border-success {
    border-color: #1461f8 !important;
}

.bg-success {
    background-color: #1461f8 !important;
}

/* Conditional Questions */
.conditional-question {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    background-color: var(--background-color);
    box-shadow: var(--neu-shadow-inset);
    opacity: 0;
    transition: all 0.4s ease;
}

.conditional-question[style*="display: block"] {
    opacity: 1;
}

/* Animations */
@keyframes glassSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
        backdrop-filter: blur(0);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        backdrop-filter: blur(10px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .form-sections-container {
        padding: 1rem;
    }

    .form-section {
        padding: 1.5rem;
    }

    .form-section h3 {
        font-size: 1.5rem;
    }

    .question-group {
        padding: 1rem;
    }

    .btn {
        width: 100%;
        margin-bottom: 0.5rem;
    }

    .form-navigation .text-muted {
        display: none;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

.form-navigation .text-muted {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Hint Messages */
.hint-message {
    position: absolute;
    max-width: 300px;
    padding: 1.5rem;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    box-shadow: 0 8px 32px var(--glass-shadow);
    color: var(--text-color);
    font-size: 0.95rem;
    line-height: 1.6;
    z-index: 998;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.hint-message.left {
    left: -320px;
    top: 0;
}

.hint-message.right {
    right: -320px;
    top: 0;
}

.hint-message .hint-icon {
    color: var(--brand-blue);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.hint-message .hint-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--brand-blue);
}

.hint-message .hint-content {
    margin-bottom: 0;
}

@media (max-width: 1600px) {
    .hint-message {
        position: static;
        max-width: 100%;
        margin: 0 0 1rem 0;
    }
}

/* Styles pour le sélecteur de téléphone international */
.iti {
    width: 100%;
    margin-bottom: 1rem;
}

.iti__flag {
    background-image: url("https://cdnjs.cloudflare.com/ajax/libs/intl-tel-input/17.0.19/img/flags.png");
}

@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .iti__flag {
        background-image: url("https://cdnjs.cloudflare.com/ajax/libs/intl-tel-input/17.0.19/img/flags@2x.png");
    }
}

.iti__selected-flag {
    background-color: rgba(241, 245, 249, 0.5);
}

.iti__country-list {
    border-radius: 0.5rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.iti__country {
    padding: 0.75rem 1rem;
}

.iti__country:hover {
    background-color: rgba(241, 245, 249, 0.5);
}