.popup-overlay {
    position: fixed;
    inset: 0;
    background: var(--overlay-scrim);
    z-index: var(--z-modal-backdrop);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.popup-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.popup {
    background: var(--bg-primary);
    border-radius: var(--radius-xl);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
    width: 100%;
    max-width: 400px;
    padding: var(--space-8) var(--space-6) var(--space-6);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-3);
    text-align: center;
    position: relative;
    transform: translateY(16px);
    opacity: 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
}

.popup-overlay.show .popup {
    transform: translateY(0);
    opacity: 1;
}

.popup-close {
    position: absolute;
    top: var(--space-3);
    right: var(--space-3);
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.popup-close:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-dark);
}

.popup-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.popup-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-dark);
    margin: 0;
}

.popup-message {
    font-size: var(--font-size-sm);
    color: var(--text-medium);
    line-height: var(--line-height-relaxed);
    margin: 0;
    white-space: pre-line;
}

.popup-footer {
    margin-top: var(--space-2);
}

.popup-ok-btn {
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-2) var(--space-6);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: white;
    font-family: var(--font-family);
    cursor: pointer;
    transition: filter 0.15s ease;
}

.popup-ok-btn:hover {
    filter: brightness(0.9);
}

.popup--info .popup-icon {
    background: var(--info-light);
    color: var(--info);
}

.popup--info .popup-ok-btn {
    background: var(--info);
}

.popup--success .popup-icon {
    background: var(--success-light);
    color: var(--success);
}

.popup--success .popup-ok-btn {
    background: var(--success);
}

.popup--error .popup-icon {
    background: var(--danger-light);
    color: var(--danger);
}

.popup--error .popup-ok-btn {
    background: var(--danger);
}

@media (max-width: 480px) {
    .popup {
        padding: var(--space-6) var(--space-5) var(--space-5);
    }
}