@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700&display=swap');

/* --- 1. VARIABLES ET GESTION DES THÈMES --- */
:root {
    /* Couleurs de base (Thème Clair par défaut) */
    --bg-primary: #f0f2f5;
    --bg-secondary: #ffffff;        /* Pour les conteneurs, popups */
    --text-primary: #1c1e21;
    --text-secondary: #606770;      /* Texte plus discret, placeholders */
    --border-color: #dddfe2;
    --shadow-primary: 0 4px 12px rgba(0,0,0,0.1);
    --input-bg: #f5f6f7;
    --hover-bg: #e9ecef;

    /* Couleurs de la marque (constantes) */
    --brand-color: #f7d08a;
    --brand-gradient: linear-gradient(to right, #f7d08a, #e6b86a);
    --brand-text-on-gradient: #0d1a2e; /* Texte sur le bouton principal */

    /* Couleurs de notifications (constantes) */
    --success-color: #28a745;
    --error-color: #dc3545;
    --info-color: #17a2b8;
}

body.dark-mode {
    /* Inversion des valeurs pour le Thème Sombre */
    --bg-primary: #0d1a2e;
    --bg-secondary: #1a2a44;
    --text-primary: #ffffff;
    --text-secondary: #8892b0;
    --border-color: #3a4b65;
    --shadow-primary: none;
    --input-bg: transparent;
    --hover-bg: #2a3b58;
}

/* --- 2. RESET GLOBAL ET STYLES DE BASE --- */
* {
    box-sizing: border-box; 
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition: background-color 0.3s, color 0.3s;
    overflow: hidden; /* Empêche le débordement sur les pages plein écran */
}

/* --- 3. MISE EN PAGE (LAYOUT) --- */

/* Layout pour les pages principales (connexion/inscription) */
.main-container { 
    display: flex; 
    width: 100%; 
    height: 100%; 
}


.image-section { 
    width: 55%; 
    height: 100%; 
    position: relative; 
    overflow: hidden; 
    background-color: #0c182a; 
}

.login-section { 
    width: 45%; 
    height: 100%; 
    padding: 100px 60px 40px; 
    display: flex; 
    flex-direction: column; 
    overflow-y: auto; 
}

.login-form-container { 
    max-width: 400px; 
    width: 100%; 
    margin: auto 0; 
}

/* Layout pour les pages de formulaires simples (vérification, etc.) */
body.form-page { 
    display: flex; 
    justify-content: center; 
    align-items: center; 
    padding: 20px; 
}

.form-page .main-container {
    flex-direction: column; 
    width: 100%; 
    max-width: 450px; 
    height: auto; 
    padding: 40px; 
    border-radius: 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-primary);
}

.form-page .form-container { 
    margin: 0; 
}

.form-page .form-container h2 { 
    text-align: center; 
}

.form-page .form-container p { 
    font-size: 15px; 
    text-align: center; 
    margin-bottom: 30px; 
}

/* --- 4. COMPOSANTS COMMUNS --- */

/* En-tête et Logo */
#page-header { 
    position: absolute; 
    top: 0; 
    left: 0; 
    width: 100%; 
    padding: 25px 60px; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    z-index: 100;
}

.logo { 
    display: flex; 
    align-items: center; 
    font-size: 24px; 
    font-weight: 600; 
    gap: 12px; 
}
.logo img { 
    height: 28px; 
    width: auto; 
}

/* Logo spécifique pour les pages de formulaire simple */
.form-page .logo { 
    justify-content: center; 
    margin-bottom: 30px; 
}
.form-page .logo img,
.logo.inline-bg { 
    background-color: #fff; 
    padding: 5px; 
    border-radius: 5px; 
}
.light-mode .logo img {
    background-color: transparent !important;
}


/* Navigation et Menu Burger */
nav { 
    display: flex; 
    align-items: center; 
}
nav a { 
    text-decoration: none; 
    margin-left: 30px; 
    font-size: 16px; 
    color: var(--text-primary);
}
.menu-icon { 
    display: none; 
    cursor: pointer; 
    margin-left: 30px; 
}
.menu-icon .bar { 
    width: 25px; 
    height: 3px; 
    margin: 5px 0; 
    background-color: var(--text-primary);
}
nav.show-menu {
    background-color: var(--bg-secondary);
}

/* Sélecteur de langue */
.language-selector { 
    position: relative; 
    margin-left: 30px; 
}
.language-button { 
    background: none; 
    border: none; 
    font-size: 16px; 
    cursor: pointer; 
    padding: 5px 10px; 
    border-radius: 5px; 
    color: var(--text-primary);
    transition: background-color 0.3s ease; 
}
.language-button:hover { 
    background-color: rgba(128, 128, 128, 0.1); 
}
.language-dropdown { 
    position: absolute; 
    top: 100%; 
    right: 0; 
    list-style: none; 
    padding: 10px 0; 
    min-width: 150px; 
    z-index: 110; 
    opacity: 0; 
    visibility: hidden; 
    transform: translateY(10px); 
    transition: opacity 0.3s ease, transform 0.3s ease; 
    border-radius: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-primary);
}
.language-dropdown.show { 
    opacity: 1; 
    visibility: visible; 
    transform: translateY(0); 
}
.language-dropdown li { 
    padding: 10px 20px; 
    cursor: pointer; 
    transition: background-color 0.2s ease; 
}
.language-dropdown li:hover { 
    background-color: var(--hover-bg); 
}

/* Sélecteur de Thème */
.theme-switch-wrapper { 
    display: flex; 
    align-items: center; 
    gap: 8px; 
    margin-left: 30px; 
}
.theme-switch { 
    display: inline-block; 
    height: 24px; 
    position: relative; 
    width: 44px; 
}
.theme-switch input { 
    display: none; 
}
.slider { 
    background-color: #737b98; 
    border-radius: 34px;
    position: absolute; 
    cursor: pointer; 
    top: 0; left: 0; right: 0; bottom: 0;
    transition: .4s;
}
.slider:before { 
    background-color: #fff; 
    border-radius: 50%;
    content: ""; 
    height: 16px; 
    width: 16px; 
    position: absolute; 
    bottom: 4px; 
    left: 4px; 
    transition: .4s; 
}
input:checked + .slider { 
    background-color: var(--brand-color); 
}
input:checked + .slider:before { 
    transform: translateX(20px); 
}

/* Bouton Retour */
.back-to-home-btn { 
    position: absolute; 
    top: 25px; 
    left: 25px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    width: 40px; 
    height: 40px; 
    font-size: 18px; 
    border-radius: 50%; 
    text-decoration: none; 
    z-index: 110;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-primary);
    transition: background-color 0.3s, transform 0.2s; 
}
.back-to-home-btn:hover { 
    transform: scale(1.1); 
    background-color: var(--hover-bg);
}

/* Formulaires et Boutons */
.form-container h2, .login-form-container h2 { 
    font-size: 28px;
    font-weight: 600; 
    margin-bottom: 20px; 
}
.input-group { 
    position: relative; 
    margin-bottom: 20px; 
}
.input-group i { 
    position: absolute; 
    left: 15px; 
    top: 50%; 
    transform: translateY(-50%); 
    color: var(--text-secondary);
}
.input-group input, .input-group select { 
    width: 100%; 
    padding: 15px 15px 15px 45px; 
    border-radius: 8px; 
    font-size: 16px; 
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}
.input-group input::placeholder {
    color: var(--text-secondary);
}
.input-group select option {
    background-color: var(--bg-secondary);
}
.input-group input:focus, .input-group select:focus { 
    outline: none; 
    border-color: var(--brand-color); 
}
label, .input-group label {
    font-size: 13px; 
    display: block; 
    margin-bottom: 5px;
    color: var(--text-secondary);
}
.action-btn, .login-btn { 
    width: 100%; 
    padding: 15px; 
    border: none; 
    border-radius: 8px; 
    background: var(--brand-gradient); 
    color: var(--brand-text-on-gradient);
    font-size: 16px; 
    font-weight: 600; 
    cursor: pointer; 
    transition: opacity 0.3s ease; 
    margin-top: 10px; 
}
.action-btn:hover, .login-btn:hover { 
    opacity: 0.9; 
}

/* Liens et options de formulaire */
.signup-link, .support-link, .back-link { 
    font-size: 14px; 
    text-align: center; 
    margin-top: 20px; 
    color: var(--text-secondary);
}
.signup-link a, .support-link a, .back-link a { 
    text-decoration: underline; 
    color: var(--text-primary);
}
.options { 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    margin-bottom: 30px; 
    font-size: 14px; 
    color: var(--text-secondary);
}
.options a {
    color: var(--text-secondary);
}
.options label { 
    display: flex; 
    align-items: center; 
    cursor: pointer; 
}
.options input[type="checkbox"] { 
    margin-right: 10px; 
}
#pwd-box { 
    cursor: pointer; 
    width: 100%; 
    text-align: right; 
    font-size: 11px; 
    margin-bottom: 5px; 
    color: var(--text-secondary);
}


/* --- 5. COMPOSANTS AVANCÉS --- */

/* Diaporama (Slider) */
.slide { 
    position: absolute; 
    top: 0; left: 0; 
    width: 100%; 
    height: 100%; 
    opacity: 0; 
    transition: opacity 1.5s ease-in-out; 
}
.slide-background { 
    width: 100%; 
    height: 100%; 
    background-size: cover; 
    background-position: center; 
}
.slide.active { 
    opacity: 1; 
}
.slide.active .slide-background { 
    animation: kenburns 8s ease-out forwards; 
}
.slide::before { 
    content: ''; 
    position: absolute; 
    top: 0; left: 0; 
    width: 100%; 
    height: 100%; 
    background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, transparent 50%); 
    z-index: 1; 
}
.slide:nth-child(1) .slide-background { background-image: url('../images/img1.png'); }
.slide:nth-child(2) .slide-background { background-image: url('../images/img2.png'); }
.slide:nth-child(3) .slide-background { background-image: url('../images/img3.png'); }

.slide-caption { 
    position: absolute; 
    bottom: 50px; 
    left: 50px; 
    background-color: rgba(15, 25, 45, 0.5); 
    backdrop-filter: blur(8px); 
    padding: 20px 30px; 
    border-radius: 12px; 
    border-top: 1px solid rgba(255, 255, 255, 0.2); 
    max-width: calc(100% - 100px); 
    z-index: 2; 
    opacity: 0; 
    color: #ffffff; /* Forcer le texte à rester blanc sur le slider */
}
.slide.active .slide-caption { 
    animation: slideUpFadeIn 1s 0.5s ease-out forwards; 
}
.slide-caption h1, .slide-caption h2 { 
    font-size: 24px; 
    margin-bottom: 10px; 
    text-shadow: 1px 1px 3px rgba(0,0,0,0.4); 
}
.slide-caption p { 
    font-size: 16px; 
    line-height: 1.5; 
    text-shadow: 1px 1px 3px rgba(0,0,0,0.4); 
}

/* Notifications (Toast) */
.custom-toast-container {
    position: fixed;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 10px;
    width: auto;
    max-width: 320px;
}
.custom-toast-container.top-right { top: 20px; right: 20px; align-items: flex-end; }
.custom-toast-container.top-left { top: 20px; left: 20px; align-items: flex-start; }
.custom-toast-container.bottom-right { bottom: 20px; right: 20px; align-items: flex-end; }
.custom-toast-container.bottom-left { bottom: 20px; left: 20px; align-items: flex-start; }

.custom-toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 15px 20px;
    border-radius: 8px;
    color: #fff;
    font-size: 15px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    opacity: 0;
    transform: translateX(120%);
    transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
}
.top-left .custom-toast, .bottom-left .custom-toast {
    transform: translateX(-120%);
}
.custom-toast.show {
    opacity: 1;
    transform: translateX(0);
}
.custom-toast.success { background-color: var(--success-color); }
.custom-toast.error { background-color: var(--error-color); }
.custom-toast.info { background-color: var(--info-color); }
.custom-toast.loading {
    background-color: rgba(15, 25, 45, 0.85);
    backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: default;
}
.custom-toast i { font-size: 18px; }
.custom-toast.loading .spinner {
    animation: spin 1s linear infinite;
}

/* Menu Latéral (Sidenav) */
.sidenav-backdrop {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    transition: opacity 0.3s ease-in-out;
}
.sidenav-backdrop.show {
    opacity: 1;
}
.sidenav {
    position: fixed;
    top: 0;
    height: 100%;
    width: 350px;
    max-width: 90%;
    z-index: 1050;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    box-shadow: var(--shadow-primary);
    transition: transform 0.3s ease-in-out;
}
.sidenav.right { right: 0; transform: translateX(100%); }
.sidenav.left { left: 0; transform: translateX(-100%); }
.sidenav.show { transform: translateX(0); }

.sidenav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    flex-shrink: 0;
}
.sidenav-title {
    font-size: 1.25rem;
    font-weight: 600;
}
.sidenav-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 5px;
    line-height: 1;
    color: var(--text-secondary);
}
.sidenav-close-btn:hover { color: var(--brand-color); }
.sidenav-body {
    padding: 20px;
    overflow-y: auto;
    flex-grow: 1;
}

/* Popup Modal (SweetAlert2 Theming) */
.themed-modal.swal2-popup {
    border-radius: 12px;
    padding: 0 !important;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-primary);
}
.themed-modal .swal2-html-container {
    margin: 0;
}
.themed-modal .swal2-title {
    padding: 1.5em 1.5em 0 1.5em;
    color: var(--text-primary);
}

/* --- 6. STYLES SPÉCIFIQUES --- */

/* Popup de Succès d'Inscription */
.registration-success-popup {
    text-align: center;
    max-width: 450px;
}
.registration-success-popup .popup-header {
    padding: 2rem 2rem 1rem 2rem;
}
.registration-success-popup .success-icon {
    font-size: 3rem;
    color: var(--success-color);
    margin-bottom: 1rem;
}
.registration-success-popup h3 {
    font-size: 1.75rem;
    font-weight: 600;
    margin: 0;
}
.registration-success-popup .popup-body {
    padding: 0 2rem;
    font-size: 1rem;
}
.registration-success-popup .important-note {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 1.5rem 0;
}
.user-id-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 15px;
    border-radius: 8px;
    margin-top: 1rem;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
}
.user-id-container .user-id-label {
    opacity: 0.8;
    font-size: 0.9rem;
}
.user-id-container #user-id-display {
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 1px;
}
.user-id-container .copy-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.1rem;
    color: var(--text-primary);
    opacity: 0.7;
    transition: opacity 0.2s, transform 0.2s;
}
.user-id-container .copy-button:hover { 
    opacity: 1; 
    transform: scale(1.1); 
}
.copy-button i{
    color: var(--brand-color);
}
.registration-success-popup .popup-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    padding: 2rem;
}
.popup-button {
    text-decoration: none;
    padding: 10px 25px;
    border-radius: 8px;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}
.popup-button.primary {
    background: var(--brand-gradient);
    color: var(--brand-text-on-gradient);
}
.popup-button.primary:hover { opacity: 0.9; }
.popup-button.secondary {
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-secondary);
}
.popup-button.secondary:hover { 
    background-color: rgba(128, 128, 128, 0.1); 
}

/* Classes utilitaires diverses */
.change_email{
    color: var(--brand-color);
    padding-left: 5px;
}
.central_box{
    width: 100%;
}


/* --- 7. ANIMATIONS --- */
@keyframes kenburns { 
    0% { transform: scale(1.0); } 
    100% { transform: scale(1.1); } 
}
@keyframes slideUpFadeIn { 
    from { opacity: 0; transform: translateY(20px); } 
    to { opacity: 1; transform: translateY(0); } 
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* --- 8. RESPONSIVE DESIGN --- */
@media (max-width: 900px) {
    body { 
        overflow-y: auto; /* Restaure le défilement sur mobile */
    }
    #page-header { 
        padding: 20px; 
    }
    .main-container { 
        flex-direction: column; 
        height: auto; 
    }
    .form-page .main-container { 
        margin-top: 120px; /* Espace pour l'en-tête */
    }
    .image-section { 
        width: 100%; 
        height: 50vh; 
        min-height: 300px; 
    }
    .login-section { 
        width: 100%; 
        height: auto; 
        padding: 40px 20px; 
    }
    .login-form-container h2 { 
        text-align: center; 
    }
    .menu-icon { 
        display: block; 
    }
    nav { 
        display: none; /* Caché par défaut */
        flex-direction: column; 
        position: absolute; 
        top: 70px; 
        right: 20px; 
        border-radius: 8px; 
        box-shadow: 0 4px 15px rgba(0,0,0,0.3); 
        padding: 15px 0; 
        width: 200px; 
        align-items: flex-start; 
        z-index: 1000; 
    }
    nav.show-menu { 
        display: flex; /* Affiché via JS */
    }
    nav a, .language-selector, .theme-switch-wrapper { 
        display: block; 
        margin: 10px 20px; 
        width: calc(100% - 40px); 
    }
    .language-button { 
        width: 100%; 
        text-align: left; 
    }
    .language-dropdown { 
        right: auto; 
        left: 0; 
        width: 100%; 
    }
    .slide-caption { 
        left: 20px; 
        bottom: 20px; 
        max-width: calc(100% - 40px); 
        text-align: center; 
        max-height: calc(50vh - 90px); 
    }
}

@media (max-width: 480px) {
    .logo img { height: 24px; }
    .logo { font-size: 20px; }
    .login-form-container h2, .form-page .form-container h2 { font-size: 24px; }
    .slide-caption h1, .slide-caption h2 { font-size: 20px; }
    .slide-caption p { font-size: 14px; }
}
.theme-switch-wrapper { display: flex; align-items: center; gap: 8px; margin-left: 30px; }
@media (max-width: 900px) {
.theme-switch-wrapper { 
    margin: 10px 20px; 
}
}
.page-controls { position: absolute; top: 20px; right: 20px; display: flex; align-items: center; gap: 20px; }