/* --- Variables & Thèmes --- */
:root {
    /* Thème Clair (Par défaut) */
    --bg-color: #f0f4f8;
    /* Blanc bleuté très clair */
    --text-color: #1e293b;
    /* Gris foncé bleuté */
    --nav-bg: #ffffff;
    --primary-color: #0284c7;
    /* Bleu vif */
    --accent-color: #38bdf8;
    /* Bleu ciel */
    --card-bg: #ffffff;
    --border-color: #cbd5e1;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    /* Thème Sombre */
    --bg-color: #0f172a;
    /* Bleu nuit très foncé */
    --text-color: #e2e8f0;
    /* Blanc cassé */
    --nav-bg: #1e293b;
    /* Gris bleu foncé */
    --primary-color: #38bdf8;
    /* Bleu néon */
    --accent-color: #0ea5e9;
    --card-bg: #1e293b;
    --border-color: #334155;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

/* --- Base --- */
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
    line-height: 1.6;
}

/* --- Navbar --- */
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--nav-bg);
    padding: 1rem 2rem;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease;
}

nav h1 {
    color: var(--primary-color);
    margin: 0;
    font-size: 1.5rem;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

nav a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover {
    color: var(--primary-color);
}

/* Bouton Toggle Mode */
#theme-toggle {
    background: transparent;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50px;
    padding: 5px 15px;
    cursor: pointer;
    font-weight: bold;
    transition: all 0.3s ease;
}

#theme-toggle:hover {
    background-color: var(--primary-color);
    color: var(--bg-color);
}

/* --- Layout --- */
main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

h1.page-title,
h3.subtitle {
    text-align: center;
}

h1.page-title {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* --- Accordéon (Nouveau design) --- */
.accordion-container {
    max-width: 800px;
    margin: 3rem auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.accordion-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.accordion-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.accordion-header {
    padding: 1.5rem;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-bg);
    transition: background-color 0.3s;
}

.accordion-header h3 {
    margin: 0;
    color: var(--primary-color);
}

.icon {
    font-size: 1.2rem;
    transition: transform 0.3s ease;
}

.accordion-item.active .icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.5s cubic-bezier(0, 1, 0, 1);
    background-color: var(--bg-color);
    /* Léger contraste interne */
}

.accordion-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.accordion-body img {
    border-radius: 8px;
    box-shadow: var(--shadow);
    max-width: 100%;
    object-fit: cover;
}

.btn-project {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background-color: var(--primary-color);
    color: white;
    /* Toujours blanc pour lisibilité */
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: opacity 0.3s;
}

.btn-project:hover {
    opacity: 0.9;
    color: white;
}

/* --- Footer --- */
footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-color);
    opacity: 0.7;
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

/* --- Animations --- */
.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile */
@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
    }
}


/* ----------------------*/
/* --- PAGE CONTACT --- */
/* ------------------- */


.contact-hero {
    margin-bottom: 3rem;
    text-align: center;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    /* Gauche plus petit que Droite */
    gap: 3rem;
    max-width: 1000px;
    margin: 0 auto;
}

/* Cartes de contact (Gauche) */
.contact-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-card {
    background-color: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    color: var(--text-color);
    transition: transform 0.3s, border-color 0.3s;
}

.contact-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.icon-box {
    font-size: 2rem;
    background-color: var(--bg-color);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.card-text h4 {
    margin: 0 0 5px 0;
    color: var(--primary-color);
}

.card-text p {
    margin: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.link-arrow {
    display: block;
    margin-top: 8px;
    font-weight: bold;
    font-size: 0.85rem;
    color: var(--accent-color);
}

/* Formulaire (Droite) */
.contact-form {
    background-color: var(--card-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.contact-form h3 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.form-group {
    margin-bottom: 1.2rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    transition: border-color 0.3s;
    box-sizing: border-box;
    /* Important pour ne pas dépasser */
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.2s;
}

.btn-submit:hover {
    background-color: var(--accent-color);
    transform: translateY(-2px);
}

/* Mobile */
@media (max-width: 768px) {
    .contact-container {
        grid-template-columns: 1fr;
        /* Une seule colonne sur mobile */
    }
}



/* --------------------------- */
/* --- Alertes Formulaire --- */
/* ------------------------- */



/* --- Sécurité Formulaire --- */
.trap-field {
    display: none;
    visibility: hidden;
    opacity: 0;
    position: absolute;
    left: -9999px;
}


.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    font-weight: 500;
    text-align: center;
}

.alert.success {
    background-color: #dcfce7;
    color: #166534;
    /* Vert foncé */
    border: 1px solid #bbf7d0;
}

.alert.error {
    background-color: #fee2e2;
    color: #991b1b;
    /* Rouge foncé */
    border: 1px solid #fecaca;
}

/* Ajustement Sombre pour les alertes */
[data-theme="dark"] .alert.success {
    background-color: #064e3b;
    color: #dcfce7;
    border-color: #065f46;
}

[data-theme="dark"] .alert.error {
    background-color: #7f1d1d;
    color: #fee2e2;
    border-color: #991b1b;
}


/* ------------------------- */
/* --- PAGE CHANGELOG --- */
/* ------------------------- */

.changelog-container {
    max-width: 800px;
    margin: 3rem auto;
    padding: 0 1.5rem;
}

/* Bouton Retour stylisé */
.back-btn {
    display: inline-flex;
    align-items: center;
    margin-bottom: 2rem;
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s, transform 0.3s;
    opacity: 0.8;
}

.back-btn:hover {
    color: var(--primary-color);
    transform: translateX(-5px);
    /* Petite animation vers la gauche */
    opacity: 1;
}

.changelog-container h1 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

/* --- La Carte Version --- */
.version-card {
    background-color: var(--card-bg);
    border-radius: 12px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
    padding: 0;
    /* Le padding est géré par les enfants pour le style "header" */
    overflow: hidden;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s;

    /* Petite ligne décorative à gauche pour effet "Timeline" */
    border-left: 5px solid var(--primary-color);
}

.version-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 20px -5px rgba(0, 0, 0, 0.15);
    border-color: var(--accent-color);
}

/* En-tête de la carte (Version + Date) */
.version-header {
    background-color: var(--bg-color);
    /* Légèrement différent du fond de la carte */
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

/* Badge de version (La "Pillule") */
.version-number {
    background-color: var(--primary-color);
    color: #ffffff;
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: bold;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.version-date {
    font-size: 0.85rem;
    color: var(--text-color);
    opacity: 0.7;
    font-style: italic;
}

/* Corps de la carte */
.version-title {
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-color);
}

.version-desc {
    padding: 0 1.5rem 1.5rem 1.5rem;
    color: var(--text-color);
    opacity: 0.9;
    font-size: 1rem;
    line-height: 1.7;
    white-space: pre-wrap;
    /* Conserve les sauts de ligne si présents dans le JSON */
}

/* Ajustement Mobile */
@media (max-width: 600px) {
    .version-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .version-date {
        font-size: 0.8rem;
    }
}