/* ============================================
 * 토스트 알림 시스템
 * ============================================ */

.toast-container {
    position: fixed;
    top: calc(var(--safe-top, 0px) + 16px);
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 448px;
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: var(--radius-md, 12px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.15);
    pointer-events: auto;
    animation: toastSlideIn 0.35s cubic-bezier(0.21, 1.02, 0.73, 1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.toast.removing {
    animation: toastSlideOut 0.3s ease forwards;
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.toast-message {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
}

.toast-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    cursor: pointer;
    border-radius: 50%;
    transition: opacity 0.2s;
    flex-shrink: 0;
}

.toast-close:hover {
    opacity: 1;
}

/* Success */
.toast-success {
    background: rgba(232, 245, 233, 0.95);
    border: 1px solid #A5D6A7;
    color: #2E7D32;
}

.toast-success .toast-icon {
    background: #4CAF50;
    color: #fff;
}

/* Error */
.toast-error {
    background: rgba(255, 235, 238, 0.95);
    border: 1px solid #EF9A9A;
    color: #C62828;
}

.toast-error .toast-icon {
    background: #F44336;
    color: #fff;
}

/* Warning */
.toast-warning {
    background: rgba(255, 248, 225, 0.95);
    border: 1px solid #FFE082;
    color: #E65100;
}

.toast-warning .toast-icon {
    background: #FF9800;
    color: #fff;
}

/* Info */
.toast-info {
    background: rgba(227, 242, 253, 0.95);
    border: 1px solid #90CAF9;
    color: #1565C0;
}

.toast-info .toast-icon {
    background: #2196F3;
    color: #fff;
}

/* Progress bar */
.toast-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    border-radius: 0 0 12px 12px;
    animation: toastProgress linear forwards;
}

.toast-success .toast-progress { background: #4CAF50; }
.toast-error .toast-progress { background: #F44336; }
.toast-warning .toast-progress { background: #FF9800; }
.toast-info .toast-progress { background: #2196F3; }

@keyframes toastSlideIn {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes toastSlideOut {
    from {
        transform: translateY(0);
        opacity: 1;
    }
    to {
        transform: translateY(-100%);
        opacity: 0;
    }
}

@keyframes toastProgress {
    from { width: 100%; }
    to { width: 0%; }
}