.bsv-modal { position: fixed; inset: 0; display: none; align-items: center; justify-content: center; z-index: 10000; }
.bsv-modal.show { display: flex; }
.bsv-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.5); }
.bsv-dialog { position: relative; background: #fff; border-radius: 8px; width: 90%; max-width: 420px; box-shadow: 0 10px 30px rgba(0,0,0,0.2); z-index: 1; }
.bsv-header { display: flex; align-items: center; justify-content: space-between; padding: 12px 16px; border-bottom: 1px solid #eee; }
.bsv-body { padding: 16px; }
.bsv-footer { padding: 12px 16px; border-top: 1px solid #eee; text-align: right; }
.bsv-close, .bsv-ok { background: #2271b1; color: #fff; border: none; border-radius: 6px; padding: 8px 12px; cursor: pointer; }
.bsv-close { background: transparent; color: #333; font-size: 18px; line-height: 1; padding: 0 8px; }