/* Variables de couleur */
:root {
    --primary-blue: #007bff; /* Bleu principal */
    --secondary-green: #28a745; /* Vert secondaire */
    --danger-red: #dc3545; /* Rouge danger/alerte */
    --light-gray: #f8f9fa;
    --medium-gray: #dee2e6;
    --dark-gray: #6c757d;
    --text-color: #212529;
    --background-color: #ffffff;
    --card-background: #ffffff;
    --border-color: #ced4da;
    --shadow-color: rgba(0, 0, 0, 0.1);
}

/* Réinitialisation et styles de base */
body {
    font-family: sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--light-gray);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header */
.app-header {
    background-color: var(--primary-blue);
    color: white;
    padding: 1rem 0;
    margin-bottom: 2rem;
    box-shadow: 0 2px 4px var(--shadow-color);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-content h1 {
    margin: 0;
    font-size: 1.8rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

#username-display {
    font-weight: bold;
}

/* Footer */
footer {
    text-align: center;
    margin-top: 3rem;
    padding: 1rem 0;
    color: var(--dark-gray);
    border-top: 1px solid var(--medium-gray);
}

/* Contenu principal */
.app-container {
    padding-bottom: 2rem;
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    font-size: 1rem;
    font-weight: bold;
    text-align: center;
    text-decoration: none;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.2s ease;
    margin: 5px;
}

.btn i {
    margin-right: 5px;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
}
.btn-primary:hover {
    background-color: #0056b3;
}

.btn-secondary {
    background-color: var(--dark-gray);
    color: white;
}
.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-danger {
    background-color: var(--danger-red);
    color: white;
}
.btn-danger:hover {
    background-color: #c82333;
}

.btn-edit {
    background-color: var(--secondary-green);
    color: white;
}
.btn-edit:hover {
    background-color: #218838;
}

.add-button {
    margin-bottom: 1.5rem;
}

/* Formulaires */
.form-group {
    margin-bottom: 1rem;
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="date"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    box-sizing: border-box;
    font-size: 1rem;
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-check input[type="checkbox"] {
    width: auto;
}

/* Cartes (Projets, Items) */
.item-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.item-card {
    background-color: var(--card-background);
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 5px var(--shadow-color);
    transition: box-shadow 0.2s ease;
}

.item-card:hover {
    box-shadow: 0 4px 10px var(--shadow-color);
}

.item-card h4 {
    margin-top: 0;
    margin-bottom: 0.8rem;
    color: var(--primary-blue);
}

.item-card h4 a {
    color: inherit;
    text-decoration: none;
}
.item-card h4 a:hover {
    text-decoration: underline;
}

.item-card p {
    margin-bottom: 1rem;
    color: var(--dark-gray);
}

.item-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.item-card ul li {
    margin-bottom: 0.4rem;
}

.item-card .actions {
    margin-top: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

/* Modals */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.5); 
}

.modal-content {
    background-color: var(--background-color);
    margin: 10% auto; 
    padding: 30px;
    border: 1px solid var(--medium-gray);
    border-radius: 8px;
    width: 80%; 
    max-width: 600px;
    position: relative;
    box-shadow: 0 5px 15px var(--shadow-color);
}

.close-button {
    color: var(--dark-gray);
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-button:hover,
.close-button:focus {
    color: var(--danger-red);
}

.modal h3 {
    margin-top: 0;
    color: var(--primary-blue);
}

/* Messages Flash */
.flash-message {
    padding: 1rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    border: 1px solid transparent;
}

.flash-message.success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

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

.flash-message.info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* Authentification */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
    padding: 2rem;
}

.auth-card {
    background-color: var(--card-background);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 15px var(--shadow-color);
    width: 100%;
    max-width: 450px;
    text-align: center;
}

.auth-card h1 {
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.auth-card p {
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

.auth-card .form-group label {
    text-align: left;
}

.auth-card button {
    width: 100%;
    margin-top: 1rem;
}

.auth-switch {
    margin-top: 1.5rem;
    font-size: 0.9rem;
}

.auth-switch a {
    color: var(--primary-blue);
    font-weight: bold;
    text-decoration: none;
}
.auth-switch a:hover {
    text-decoration: underline;
}

/* Breadcrumb */
.breadcrumb {
    padding: 0.75rem 1rem;
    margin-bottom: 1rem;
    list-style: none;
    background-color: var(--medium-gray);
    border-radius: 0.25rem;
}
.breadcrumb-item {
    display: inline-block;
}
.breadcrumb-item + .breadcrumb-item::before {
    display: inline-block;
    padding-right: 0.5rem;
    padding-left: 0.5rem;
    color: var(--dark-gray);
    content: "/";
}
.breadcrumb-item.active {
    color: var(--dark-gray);
}
.breadcrumb-item a {
    color: var(--primary-blue);
    text-decoration: none;
}
.breadcrumb-item a:hover {
    text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    .user-info {
        width: 100%;
        justify-content: space-between;
    }
    .item-list {
        grid-template-columns: 1fr; /* Une colonne sur mobile */
    }
    .modal-content {
        width: 90%;
        margin: 15% auto;
    }
}