/* --- Responsive Design --- */
@media (max-width: 768px) {
    .header { flex-direction: column; align-items: center; gap: 20px; }
    .calendars { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
    .modal-content { width: 95%; }
    .modal-content.medium { max-width: 95%; }
}

@media (max-width: 600px) {
    /* Modal actions start stacking on tablets */
    .modal-actions { 
        flex-direction: column; 
        gap: 10px; 
        align-items: stretch;
    }
    .modal-actions-left,
    .modal-actions-group,
    .modal-actions-right { 
        width: 100%; 
        display: flex; 
        gap: 8px;
    }
    
    /* Main manage modal button ordering */
    #manage-plan-modal .modal-actions-group {
        order: 1;
        flex-direction: column-reverse; /* Add New, Import */
    }
    #manage-plan-modal .modal-actions-left {
        order: 2;
        flex-direction: column-reverse; /* Export, Cancel */
    }
    
    /* Import modal button ordering */
    #import-text-modal .modal-actions-right {
        order: 1;
        flex-direction: column; /* Confirm Restore, Cancel Restore in original order */
    }
    #import-text-modal .modal-actions-left {
        order: 2; /* Cancel (main) last */
        flex-direction: column;
    }
    
    .modal-btn { 
        width: 100%; 
        justify-content: center;
        min-height: 44px; /* Touch target */
    }
}

@media (max-width: 480px) {
    body { padding: 5px; }
    .container { padding: 15px; }
    .title { font-size: 1.5em; }
    .header-controls { width: 100%; flex-direction: column; }
    .control-btn { width: 100%; justify-content: center; }
    .calendars { grid-template-columns: 1fr; }
    .day { min-height: 75px; padding: 4px 2px 8px; }
    
    /* Modal actions responsive stacking */
    .modal-actions { 
        flex-direction: column; 
        gap: 10px; 
        align-items: stretch;
    }
    .modal-actions-left,
    .modal-actions-group,
    .modal-actions-right { 
        width: 100%; 
        display: flex; 
        gap: 8px;
    }
    
    /* Main manage modal button ordering */
    #manage-plan-modal .modal-actions-group {
        order: 1;
        flex-direction: column-reverse; /* Add New, Import */
    }
    #manage-plan-modal .modal-actions-left {
        order: 2;
        flex-direction: column-reverse; /* Export, Cancel */
    }
    
    /* Import modal button ordering */
    #import-text-modal .modal-actions-right {
        order: 1;
        flex-direction: column; /* Confirm Restore, Cancel Restore in original order */
    }
    #import-text-modal .modal-actions-left {
        order: 2; /* Cancel (main) last */
        flex-direction: column;
    }
    .modal-btn { 
        width: 100%; 
        justify-content: center;
        min-height: 44px; /* Touch target */
    }
    
    /* Import option cards stacking */
    .import-options {
        flex-direction: column;
    }
    /* Import option cards stacking */
    .import-options {
        flex-direction: column;
    }
    .editor-grid { grid-template-columns: 1fr; }
}