.ec-overlay {
    position: fixed;
    left: 0; top: 0; right: 0; bottom: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99999;
}
.ec-overlay.is-open { display: flex; }

.ec-dialog {
    max-width: 420px;
    width: calc(100% - 32px);
    background: #fff;
    border-radius: 10px;
    padding: 16px 18px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

.ec-title { font-weight: 600; margin: 0 0 8px; }
.ec-desc  { margin: 0 0 14px; word-break: break-all; }

.ec-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

.ec-btn {
    appearance: none;
    border: 1px solid #d0d7de;
    background: #f6f8fa;
    padding: 7px 12px;
    border-radius: 6px;
    cursor: pointer;
    font: inherit;
}
.ec-btn:hover { filter: brightness(0.98); }

.ec-btn-primary {
    background: #2271b1;
    border-color: #2271b1;
    color: #fff;
}
.ec-btn-primary:hover { filter: brightness(1.05); }

.ec-btn:focus-visible,
.ec-dialog:focus-visible {
    outline: 2px solid #2271b1;
    outline-offset: 2px;
}