:root {
    --success-color: #4caf50;
    --error-color: #f44336;
    --info-color: #2196F3;
    --warning-color: #ff9800;
    --toast-radius: 8px;
    --toast-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}
.toast-container {
    position: fixed;
    z-index: 9999;
    pointer-events: none;
    padding: 16px;
    box-sizing: border-box;
    width: 360px;
}

.toast-container.top-right {
    top: 0;
    right: 0;
}

.toast-container.top-left {
    top: 0;
    left: 0;
}

.toast-container.bottom-right {
    bottom: 0;
    right: 0;
}

.toast-container.bottom-left {
    bottom: 0;
    left: 0;
}

.toast-container.top-center {
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}

.toast-container.bottom-center {
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

.toast {
    position: relative;
    margin-bottom: 16px;
    padding: 16px 48px 16px 16px;
    width: 100%;
    border-radius: var(--toast-radius);
    box-shadow: var(--toast-shadow);
    display: flex;
    align-items: center;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    pointer-events: auto;
    background-color: #fff;
    overflow: hidden;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-icon {
    margin-right: 16px;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.toast-content {
    flex-grow: 1;
}

.toast-title {
    font-weight: bold;
    margin-bottom: 4px;
    font-size: 16px;
    color: #333;
}

.toast-message {
    font-size: 14px;
    color: #666;
    line-height: 1.4;
}

.toast-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.2s;
}

.toast-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.toast-close:before, .toast-close:after {
    content: '';
    position: absolute;
    width: 10px;
    height: 2px;
    background-color: #999;
}

.toast-close:before {
    transform: rotate(45deg);
}

.toast-close:after {
    transform: rotate(-45deg);
}

.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.1);
}

.toast-progress-bar {
    height: 100%;
    width: 100%;
}

/* Toast types */
.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-success .toast-progress-bar {
    background-color: var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--error-color);
}

.toast-error .toast-progress-bar {
    background-color: var(--error-color);
}

.toast-info {
    border-left: 4px solid var(--info-color);
}

.toast-info .toast-progress-bar {
    background-color: var(--info-color);
}

.toast-warning {
    border-left: 4px solid var(--warning-color);
}

.toast-warning .toast-progress-bar {
    background-color: var(--warning-color);
}

/* Icons */
.icon-success svg {
    fill: var(--success-color);
}

.icon-error svg {
    fill: var(--error-color);
}

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

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

/* Animations */
@keyframes progress {
    0% {
        width: 100%;
    }
    100% {
        width: 0%;
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}