/* ============================================================
   Toast Component Styles
   L2-01: 에러 토스트 시스템
   BEM 명명규칙 적용
   ============================================================ */

/* ============================================
   Toast Container
   ============================================ */
.toast-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-toast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    padding-top: calc(16px + env(safe-area-inset-top));
    /* iOS 노치 대응 */
    pointer-events: none;
}

/* ============================================
   Individual Toast
   ============================================ */
.toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    border-radius: 12px;
    background: #333;
    color: #fff;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    max-width: min(90vw, 400px);
    pointer-events: auto;
    cursor: pointer;
    user-select: none;

    /* 초기 상태 (숨김) */
    opacity: 0;
    transform: translateY(-20px);
    transition: opacity 0.3s ease, transform 0.3s ease;
}

/* 등장 */
.toast--show {
    opacity: 1;
    transform: translateY(0);
}

/* 퇴장 */
.toast--hide {
    opacity: 0;
    transform: translateY(-10px);
}

/* ============================================
   Toast Types (그라데이션 배경)
   ============================================ */
.toast--info {
    background: linear-gradient(135deg, var(--color-toast-info), var(--color-toast-info-dark));
}

.toast--success {
    background: linear-gradient(135deg, var(--color-toast-success), var(--color-toast-success-dark));
}

.toast--warning {
    background: linear-gradient(135deg, var(--color-toast-warning), var(--color-toast-warning-dark));
}

.toast--error {
    background: linear-gradient(135deg, var(--color-toast-error), var(--color-toast-error-dark));
}

/* ============================================
   Toast Elements
   ============================================ */
.toast__icon {
    flex-shrink: 0;
    font-size: 18px;
}

.toast__message {
    flex: 1;
    line-height: 1.4;
}

/* ============================================
   Mobile Optimization
   ============================================ */
@media (max-width: 480px) {
    .toast-container {
        padding: 12px;
    }

    .toast {
        padding: 10px 16px;
        font-size: 13px;
        border-radius: 6px;
    }

    .toast__icon {
        font-size: 16px;
    }
}

/* ============================================
   Touch Feedback
   ============================================ */
.toast:active {
    transform: scale(0.98);
}

/* ============================================
   Animation Keyframes (대안)
   ============================================ */
@keyframes toast-slide-in {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes toast-slide-out {
    from {
        opacity: 1;
        transform: translateY(0);
    }

    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}