/* --- VARIABLES & BASE DE DESIGN --- */
:root {
    --color-primary: #002147;
    /* Bleu Nuit */
    --color-secondary: #D4AF37;
    /* Doré */
    --color-text-light: #f5f5f5;
    /* Presque blanc */
    --color-bg-light: #ffffff;
    /* Blanc */
    --color-bg-grey: #f8f8f8;
    /* Gris très clair */
    --color-danger: #dc3545;
    /* Rouge pour alerte/suppression */
    --color-text-dark: #333;
    /* Texte sombre principal */
}

/* =======================================
   STYLES GÉNÉRAUX ET BASE
   ======================================= */
body {
    font-family: 'Open Sans', sans-serif;
    background-color: var(--color-bg-grey);
    color: var(--color-text-dark);
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

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

h1,
h2,
h3,
h4,
h5 {
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
}

/* =======================================
   STYLES DE LA CONNEXION (LOGIN)
   ======================================= */

/* 1. Centrage horizontal et vertical du corps de la page de connexion */
.login-body {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    /* Centre horizontalement */
    align-items: center;
    /* Centre verticalement */
    flex-direction: column;
    /* Arrière-plan de la page en blanc, comme demandé */
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    /* padding-bottom: 50px; */
    /* Espace pour le footer */
}

/* 2. Conteneur du formulaire de connexion (le 'card' centré) */
.login-container {
    max-width: 450px;
    width: 90%;
    padding: 40px;
    border-radius: 8px;
    background-color: var(--color-bg-light);
    /* Fond de la carte en blanc */
    /* Ombre subtile pour l'effet 'carte/cadre' */
    box-shadow: 0 4px 25px rgba(0, 0, 0, 0.15);
    margin: auto;
    color: var(--color-text-dark);
    /* Ajout d'une bordure très légère pour démarquer le cadre sur un fond blanc */
    border: 1px solid var(--color-bg-grey);
}

/* 3. Titre de connexion */
.login-container .admin-title {
    color: var(--color-primary);
    border-bottom: 3px solid var(--color-secondary);
    padding-bottom: 10px;
    margin-bottom: 30px;
    font-size: 1.8em;
    text-align: center;
}

/* 4. Labels de connexion */
.login-container label {
    color: var(--color-primary);
}

/* 5. Champs de saisie pour la connexion */
.login-container input[type="text"],
.login-container input[type="password"] {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    border: 1px solid #ccc;
}

/* =======================================
   STYLES D'ADMINISTRATION GÉNÉRAUX
   (Applicables aux autres pages)
   ======================================= */

.admin-container {
    max-width: 90%;
    margin: 40px auto;
    padding: 30px;
    background-color: var(--color-bg-light);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.admin-title {
    color: var(--color-primary);
    border-bottom: 3px solid var(--color-secondary);
    padding-bottom: 10px;
    margin-bottom: 25px;
    font-weight: 700;
}

/* --- FORMULAIRES ET INPUTS --- */
.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-primary);
}

input[type="text"],
input[type="password"],
input[type="file"],
input[type="date"],
select,
textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    box-sizing: border-box;
    font-size: 16px;
    height: 45px;
    transition: border-color 0.3s, box-shadow 0.3s;
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
}

textarea {
    min-height: 150px;
    resize: vertical;
    height: auto;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
    outline: none;
}

/* --- MESSAGES --- */
.success-message,
.error-message {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-weight: 600;
}

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

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

/* --- BOUTONS UNIFIÉS --- */
button[type="submit"],
.btn-primary {
    display: inline-block;
    padding: 12px 25px;
    background-color: var(--color-primary);
    color: var(--color-text-light) !important;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    text-transform: uppercase;
}

button[type="submit"]:hover,
.btn-primary:hover {
    background-color: #003366;
    transform: translateY(-1px);
}

/* --- TABLEAU (Index.php) --- */
.article-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin-top: 25px;
    background-color: var(--color-bg-light);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.article-table th,
.article-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

.article-table th {
    background-color: var(--color-primary);
    color: var(--color-text-light);
    font-weight: 600;
    text-transform: uppercase;
}

/* Coins arrondis pour le header */
.article-table thead tr th:first-child {
    border-top-left-radius: 8px;
}

.article-table thead tr th:last-child {
    border-top-right-radius: 8px;
}

/* Effet hover */
.article-table tbody tr:hover {
    background-color: #fafafa;
}

/* Boutons d'action dans la table */
.btn-action {
    padding: 8px 12px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    font-size: 14px;
    margin-right: 5px;
    display: inline-block;
    font-weight: 600;
    transition: opacity 0.3s;
}

.btn-action.edit {
    background-color: var(--color-secondary);
    color: var(--color-primary);
}

.btn-action.delete {
    background-color: var(--color-danger);
    color: var(--color-text-light);
}

.btn-action:hover {
    opacity: 0.85;
}

/* Style de navigation */
.back-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 20px;
    transition: color 0.3s;
}

.back-link:hover {
    color: var(--color-secondary);
    text-decoration: underline;
}

/* --- FOOTER --- */
.admin-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-primary);
    color: var(--color-text-light);
    text-align: center;
    padding: 10px 0;
    font-size: 14px;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

.admin-footer a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color 0.3s;
}

.admin-footer a:hover {
    color: var(--color-text-light);
}

.admin-footer .developer-credit {
    font-size: 13px;
    opacity: 0.8;
}

.success-message,
.error-message,
.info-message {
    padding: 15px;
    border-radius: 4px;
    margin-bottom: 20px;
    font-weight: 600;
}

/* Style spécifique au message d'information/chargement */
.info-message {
    background-color: var(--color-bg-grey);
    /* Fond gris clair (neutre) */
    color: var(--color-primary);
    /* Texte en bleu nuit (couleur principale) */
    border: 1px solid #ccc;
    /* Bordure gris neutre */
    text-align: center;
}