/* ============================================
   TOAST NOTIFICATIONS & MODALS
   ============================================ */

.toast {
    position: fixed;
    top: var(--spacing-xl);
    right: var(--spacing-xl);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
    transform: translateX(400px);
    transition: transform var(--transition-base);
    z-index: 9999;
    min-width: 300px;
    max-width: 400px;
}

.toast.show {
    transform: translateX(0);
}

.toast-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.toast-icon {
    font-size: 1.5rem;
    font-weight: bold;
}

.toast-message {
    flex: 1;
    font-weight: 500;
}

.toast-success {
    border-left-color: var(--color-success);
}

.toast-success .toast-icon {
    color: var(--color-success);
}

.toast-error {
    border-left-color: var(--color-danger);
}

.toast-error .toast-icon {
    color: var(--color-danger);
}

.toast-warning {
    border-left-color: var(--color-warning);
}

.toast-warning .toast-icon {
    color: var(--color-warning);
}

.toast-info {
    border-left-color: var(--color-info);
}

.toast-info .toast-icon {
    color: var(--color-info);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9998;
    animation: fadeIn var(--transition-base);
}

.modal-dialog {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 500px;
    width: 90%;
    animation: slideUp var(--transition-base);
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }

    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.modal-header h3 {
    margin: 0;
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

.spinner-sm {
    width: 20px;
    height: 20px;
    border-width: 2px;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--color-text-secondary);
}

.empty-state-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.empty-state-description {
    margin-bottom: var(--spacing-lg);
}

/* Alert Messages */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    font-size: 0.9375rem;
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--color-success);
    border-color: rgba(16, 185, 129, 0.2);
}

.alert-success::before {
    content: '✓';
    font-size: 1.25rem;
    font-weight: bold;
}

.alert-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--color-danger);
    border-color: rgba(239, 68, 68, 0.2);
}

.alert-danger::before {
    content: '✗';
    font-size: 1.25rem;
    font-weight: bold;
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--color-warning);
    border-color: rgba(245, 158, 11, 0.2);
}

.alert-warning::before {
    content: '⚠';
    font-size: 1.25rem;
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--color-info);
    border-color: rgba(59, 130, 246, 0.2);
}

.alert-info::before {
    content: 'ℹ';
    font-size: 1.25rem;
}