/* Importation de la police Inter */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

body {
    font-family: 'Inter', sans-serif;
    background-color: #f3f4f6;
    color: #333;
    margin: 0;
    display: flex;
    min-height: 100vh;
}

/* Styles de la barre latérale */
.sidebar {
    background-color: #1a202c;
    color: #ffffff;
    width: 280px;
    padding: 1.5rem;
    box-shadow: 2px 0 5px rgba(0,0,0,0.1);
    flex-shrink: 0;
}
.sidebar-nav a {
    display: flex;
    align-items: center;
    padding: 0.50rem 0.2rem;
    border-radius: 0.5rem;
    color: #cbd5e0;
    text-decoration: none;
    transition: background-color 0.2s, color 0.2s;
}
.sidebar-nav a:hover {
    background-color: #2d3748;
    color: #e2e8f0;
}
.sidebar-nav a.active {
    background-color: #4c51bf;
    color: #ffffff;
    font-weight: 600;
}
.sidebar-nav .icon {
    margin-right: 0.75rem;
    width: 1.25rem;
    text-align: center;
}

/* Styles du contenu principal (header + main) */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}
.header {
    background-color: #ffffff;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom-left-radius: 0.75rem;
    border-bottom-right-radius: 0.75rem;
}
.content-area {
    padding: 2rem;
    flex-grow: 1;
}

/* Styles pour le modal */
.modal {
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
}
.modal.open {
    opacity: 1;
    visibility: visible;
}
.modal-content {
    background-color: #fefefe;
    padding: 2.5rem;
    border-radius: 1rem;
    box-shadow: 0 15px 30px rgba(0,0,0,0.3);
    width: 90%;
    max-width: 700px;
    position: relative;
    transform: translateY(-50px);
    transition: transform 0.3s;
}
.modal.open .modal-content {
    transform: translateY(0);
}
.close-button {
    color: #aaa;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.2s;
}
.close-button:hover,
.close-button:focus {
    color: #555;
}

/* Message Box */
.message-box {
    padding: 0.75rem 1.25rem;
    border-radius: 0.625rem;
    margin-bottom: 1.25rem;
    font-size: 0.95rem;
    display: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.message-box.error {
    background-color: #fef2f2;
    color: #dc2626;
    border: 1px solid #ef4444;
}
.message-box.success {
    background-color: #ecfdf5;
    color: #059669;
    border: 1px solid #10b981;
}

/* Form Inputs */
.form-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid #d1d5db;
    border-radius: 0.625rem;
    font-size: 1rem;
    color: #374151;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-input:focus {
    outline: none;
    border-color: #4f46e5;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}
textarea.form-input {
    min-height: 80px;
    resize: vertical;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    border-radius: 0.625rem;
    transition: background-color 0.2s, transform 0.1s, box-shadow 0.2s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    border: none;
    cursor: pointer;
}
.btn-primary {
    background-color: #4f46e5;
    color: #ffffff;
}
.btn-primary:hover {
    background-color: #4338ca;
    transform: translateY(-1px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.15);
}
.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.btn-secondary {
    background-color: #6b7280;
    color: #ffffff;
}
.btn-secondary:hover {
    background-color: #4b5563;
}
.btn-danger {
    background-color: #ef4444;
    color: #ffffff;
}
.btn-danger:hover {
    background-color: #dc2626;
}
.btn-info {
    background-color: #3b82f6;
    color: #ffffff;
}
.btn-info:hover {
    background-color: #2563eb;
}
/* Adjusted padding for icon-only buttons in table */
.btn-icon {
    padding: 0.5rem 0.75rem;
}
.table-actions button {
    margin: 0.25rem;
}
.form-input:read-only, .form-input[disabled] {
    background-color: #e2e8f0;
    cursor: not-allowed;
}
.message-box.info {
    background-color: #eff6ff;
    color: #2563eb;
    border: 1px solid #3b82f6;
}
.box {
    background: #fff;
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 2px 6px rgba(0,0,0,0.06);
}
.dl { margin: 1.5em 0;}
.validation-ok { color: #16a34a; font-weight: bold; margin-bottom: 1em;}
.validation-nok { color: #dc2626; font-weight: bold; margin-bottom: 0.6em;}
.err { color: #b91c1c;}
pre { background: #f1f5f9; padding: 1em; border-radius: 0.5em; font-size: 0.95em; overflow-x: auto;}
.btn-action { display:inline-block; margin:0 0.3em 1em 0; padding:0.55em 1.3em; border-radius:0.5em; font-weight:600; color:#fff; background:#6366f1; transition:background 0.15s;}
.btn-action:hover { background: #4f46e5;}

/* --- RESPONSIVE --- */
@media (max-width: 1024px) {
    .sidebar {
        width: 200px;
        padding: 1rem;
    }
    .header {
        padding: 1rem 1rem;
    }
    .content-area {
        padding: 1rem;
    }
    .box {
        padding: 1rem;
    }
    .modal-content {
        padding: 1.25rem;
    }
}
@media (max-width: 768px) {
    body {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        padding: 0.8rem 1rem;
        box-shadow: none;
        border-radius: 0 0 1rem 1rem;
        min-height: unset;
        order: 1;
    }
    .main-content {
        order: 2;
    }
    .header {
        padding: 0.75rem 1rem;
        border-radius: 0;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    .content-area {
        padding: 0.7rem;
    }
    .modal-content {
        padding: 0.7rem;
        max-width: 98vw;
    }
}
@media (max-width: 500px) {
    .sidebar {
        font-size: 0.95rem;
        padding: 0.5rem 0.3rem;
    }
    .header {
        font-size: 1rem;
        padding: 0.5rem 0.4rem;
    }
    .content-area, .box {
        padding: 0.4rem !important;
        font-size: 0.97rem;
    }
    .modal-content {
        padding: 0.3rem;
        max-width: 99vw;
    }
    .btn, .btn-action {
        padding: 0.5rem 1rem;
        font-size: 0.97rem;
    }
}