.ui-dialog-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.45);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20000;
    padding: 16px;
    animation: uiDialogFadeIn 0.2s ease;
}

.ui-dialog-box {
    background: #ffffff;
    border: 1px solid #e8eaef;
    border-radius: 12px;
    box-shadow: 0 24px 64px rgba(15, 23, 42, 0.16);
    max-width: 380px;
    width: 100%;
    overflow: hidden;
    animation: uiDialogSlideIn 0.22s ease;
}

.ui-dialog-box.has-prompt {
    max-width: 440px;
}

.ui-dialog-header {
    padding: 12px 14px 6px;
}

.ui-dialog-title {
    margin: 0;
    font-size: 14px;
    font-weight: 700;
    color: #111827;
    letter-spacing: -0.01em;
}

.ui-dialog-body {
    padding: 0 14px 12px;
    color: #4b5563;
    font-size: 12px;
    line-height: 1.5;
}

.ui-dialog-prompt {
    padding: 0 14px 12px;
}

.ui-dialog-prompt-label {
    display: block;
    margin-bottom: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #374151;
}

.ui-dialog-prompt-input {
    width: 100%;
    box-sizing: border-box;
    min-height: 72px;
    resize: vertical;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 13px;
    line-height: 1.4;
    color: #111827;
    background: #ffffff;
}

.ui-dialog-prompt-input:focus {
    outline: none;
    border-color: #a78bfa;
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.12);
}

.ui-dialog-prompt-input::placeholder {
    color: #9ca3af;
}

.ui-dialog-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    padding: 10px 14px 12px;
    border-top: 1px solid #eceef4;
}

.ui-dialog-btn {
    border: none;
    border-radius: 7px;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
}

.ui-dialog-btn-secondary {
    background: #ffffff;
    color: #374151;
    border: 1px solid #e5e7eb;
}

.ui-dialog-btn-secondary:hover {
    background: #f1f2f7;
    border-color: #d1d5db;
}

.ui-dialog-btn-primary {
    background: linear-gradient(135deg, #7c3aed 0%, #6d28d9 100%);
    color: #fff;
}

.ui-dialog-btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: #fff;
}

.ui-dialog-box.type-error .ui-dialog-title { color: #dc2626; }
.ui-dialog-box.type-success .ui-dialog-title { color: #15803d; }

@keyframes uiDialogFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes uiDialogSlideIn {
    from { opacity: 0; transform: translateY(10px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}