/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.app-toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: min(360px, calc(100% - 32px));
    z-index: 9999;
    pointer-events: none;
}

@media (max-width: 640px) {
    .app-toast-container {
        left: 50%;
        right: auto;
        transform: translateX(-50%);
    }
}

.app-toast {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    background: var(--color-white, #fff);
    border-radius: var(--radius-lg, 5px);
    padding: 14px 16px;
    border-left: 4px solid var(--color-gray-200, #e5e5e5);
    box-shadow: var(--shadow-lg, 0 4px 6px rgba(0, 0, 0, 0.05), 0 2px 4px rgba(0, 0, 0, 0.03));
    opacity: 0;
    transform: translateY(-8px);
    transition: opacity var(--transition-normal, 200ms ease), transform var(--transition-normal, 200ms ease);
    pointer-events: auto;
}

.app-toast.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.app-toast__icon {
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full, 9999px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.app-toast__body {
    flex: 1;
}

.app-toast__title {
    font-weight: var(--font-semibold, 600);
    color: var(--color-gray-900, #171717);
    font-size: var(--text-sm, 0.875rem);
    margin-bottom: 2px;
}

.app-toast__message {
    margin: 0;
    color: var(--color-gray-600, #525252);
    font-size: var(--text-sm, 0.875rem);
}

.app-toast__close {
    border: none;
    background: transparent;
    color: var(--color-gray-400, #a3a3a3);
    cursor: pointer;
    padding: 2px;
}

/* Toast status variants */
.app-toast--success {
    border-left-color: var(--color-success, #5fb389);
}

.app-toast--success .app-toast__icon {
    background: var(--color-success-light, #e4f3ec);
    color: var(--color-success, #5fb389);
}

.app-toast--error {
    border-left-color: var(--color-error, #db8585);
}

.app-toast--error .app-toast__icon {
    background: var(--color-error-light, #f8e8e8);
    color: var(--color-error, #db8585);
}

.app-toast--warning {
    border-left-color: var(--color-warning, #ca8a04);
}

.app-toast--warning .app-toast__icon {
    background: var(--color-warning-light, #fef9c3);
    color: var(--color-warning, #ca8a04);
}

.app-toast--info {
    border-left-color: var(--color-accent, #6e8ae6);
}

.app-toast--info .app-toast__icon {
    background: var(--color-accent-light, #e8edfb);
    color: var(--color-accent, #6e8ae6);
}

/* ============================================
   ALERT / CONFIRM MODAL
   ============================================ */
.app-alert-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 9998;
}

.app-alert-overlay.is-visible {
    display: flex;
}

.app-alert-modal {
    width: min(420px, 100%);
    background: var(--color-white, #fff);
    border-radius: var(--radius-lg, 5px);
    padding: var(--space-8, 2rem) var(--space-6, 1.5rem);
    box-shadow: var(--shadow-lg, 0 4px 6px rgba(0, 0, 0, 0.05));
    text-align: center;
}

.app-alert-modal__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full, 9999px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: var(--space-4, 1rem);
}

.app-alert-modal__title {
    margin: 0 0 var(--space-2, 0.5rem);
    font-size: var(--text-lg, 1.125rem);
    font-weight: var(--font-semibold, 600);
    color: var(--color-gray-900, #171717);
}

.app-alert-modal__message {
    margin: 0 0 var(--space-6, 1.5rem);
    color: var(--color-gray-500, #737373);
    font-size: var(--text-sm, 0.875rem);
    line-height: var(--leading-relaxed, 1.625);
}

.app-alert-actions {
    display: flex;
    gap: var(--space-3, 0.75rem);
    justify-content: center;
}

.app-alert-actions button {
    border: 1px solid transparent;
    border-radius: var(--radius-md, 4px);
    padding: var(--space-2, 0.5rem) var(--space-5, 1.25rem);
    font-size: var(--text-sm, 0.875rem);
    font-weight: var(--font-medium, 500);
    cursor: pointer;
    transition: background var(--transition-fast, 150ms ease), border-color var(--transition-fast, 150ms ease);
}

.app-alert-actions .app-alert-confirm {
    background: var(--color-gray-900, #171717);
    color: var(--color-white, #fff);
}

.app-alert-actions .app-alert-confirm:hover {
    background: var(--color-gray-800, #262626);
}

.app-alert-actions .app-alert-cancel {
    background: var(--color-white, #fff);
    border-color: var(--color-gray-200, #e5e5e5);
    color: var(--color-gray-700, #404040);
}

.app-alert-actions .app-alert-cancel:hover {
    background: var(--color-gray-50, #fafafa);
}

/* Alert status icon variants */
.app-alert-modal--success .app-alert-modal__icon {
    background: var(--color-success-light, #e4f3ec);
    color: var(--color-success, #5fb389);
}

.app-alert-modal--error .app-alert-modal__icon {
    background: var(--color-error-light, #f8e8e8);
    color: var(--color-error, #db8585);
}

.app-alert-modal--warning .app-alert-modal__icon {
    background: var(--color-warning-light, #fef9c3);
    color: var(--color-warning, #ca8a04);
}

.app-alert-modal--info .app-alert-modal__icon {
    background: var(--color-accent-light, #e8edfb);
    color: var(--color-accent, #6e8ae6);
}

/* Destructive variant - red confirm button */
.app-alert-modal--destructive .app-alert-modal__icon {
    background: var(--color-error-light, #f8e8e8);
    color: var(--color-error, #db8585);
}

.app-alert-modal--destructive .app-alert-confirm {
    background: var(--color-error, #db8585);
    color: var(--color-white, #fff);
}

.app-alert-modal--destructive .app-alert-confirm:hover {
    background: #b91c1c;
}

@media (max-width: 480px) {
    .app-alert-modal {
        padding: var(--space-6, 1.5rem) var(--space-5, 1.25rem);
    }

    .app-alert-actions {
        flex-direction: column-reverse;
    }

    .app-alert-actions button {
        width: 100%;
    }
}