/* ============================================================================
   LogiFlotte — modales (dialogs confirmés côté client).
   Structure :
     <div class="modal is-open">
       <div class="modal-card">
         <div class="modal-header">...<button class="modal-close"/></div>
         <div class="modal-body">...</div>
         <div class="modal-footer">...</div>
       </div>
     </div>
   ============================================================================ */

.modal {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.55);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    visibility: hidden;
    opacity: 0;
    transition: opacity var(--transition), visibility var(--transition);
}

.modal.is-open {
    visibility: visible;
    opacity: 1;
}

.modal-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 560px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalIn 0.2s ease forwards;
}

@keyframes modalIn {
    from { transform: scale(0.97) translateY(8px); opacity: 0.8; }
    to   { transform: scale(1) translateY(0);     opacity: 1;   }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--color-border);
    background: var(--color-surface-alt);
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-md);
    font-weight: 600;
}

.modal-close {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius);
    color: var(--color-text-muted);
    transition: background var(--transition), color var(--transition);
}
.modal-close:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.modal-body {
    padding: var(--space-5);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: var(--space-3) var(--space-5);
    border-top: 1px solid var(--color-border);
    background: var(--color-surface-alt);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-3);
}