/* ========== 加载失败状态样式 ========== */

.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 70px - 200px);
    padding: 40px 20px;
    text-align: center;
    animation: fadeIn 0.6s var(--transition-timing) forwards;
}

.error-icon {
    font-size: 80px;
    margin-bottom: 30px;
    animation: bounce 2s infinite;
}

.error-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 15px;
    letter-spacing: 0.5px;
}

.error-message {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    max-width: 400px;
    line-height: 1.8;
}

.error-code {
    display: inline-block;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-family: 'Courier New', monospace;
    margin-top: 15px;
    opacity: 0.8;
}

.error-actions {
    display: flex;
    gap: 15px;
    margin-top: 40px;
    flex-wrap: wrap;
    justify-content: center;
}

.error-btn {
    padding: 12px 32px;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-duration) var(--transition-timing);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 2px solid transparent;
}

.error-btn-primary {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.error-btn-primary:hover {
    background-color: var(--primary-color-hover);
    border-color: var(--primary-color-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.error-btn-primary:active {
    transform: translateY(0);
}

.error-btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border-color: var(--text-primary);
}

.error-btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.error-btn-secondary:active {
    transform: translateY(0);
}

.error-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* 加载状态动画 */
.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--bg-secondary);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 30px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

/* 重试计数器 */
.retry-counter {
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 20px;
    opacity: 0.8;
}

.retry-counter strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* 网络状态指示器 */
.network-status {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 13px;
    z-index: 1000;
    display: none;
    align-items: center;
    gap: 8px;
    animation: slideIn 0.3s var(--transition-timing);
}

.network-status.offline {
    display: flex;
    background-color: rgba(220, 53, 69, 0.9);
}

.network-status.online {
    display: flex;
    background-color: rgba(40, 167, 69, 0.9);
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: currentColor;
    animation: pulse 2s infinite;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }

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

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .error-container {
        min-height: calc(100vh - 60px - 150px);
        padding: 30px 15px;
    }

    .error-icon {
        font-size: 60px;
        margin-bottom: 20px;
    }

    .error-title {
        font-size: 22px;
        margin-bottom: 12px;
    }

    .error-message {
        font-size: 14px;
        margin-bottom: 25px;
    }

    .error-actions {
        gap: 10px;
        margin-top: 30px;
    }

    .error-btn {
        padding: 10px 24px;
        font-size: 14px;
    }

    .network-status {
        bottom: 15px;
        right: 15px;
        font-size: 12px;
        padding: 10px 15px;
    }
}

@media (max-width: 480px) {
    .error-container {
        min-height: calc(100vh - 50px - 120px);
    }

    .error-icon {
        font-size: 50px;
        margin-bottom: 15px;
    }

    .error-title {
        font-size: 18px;
    }

    .error-message {
        font-size: 13px;
    }

    .error-actions {
        flex-direction: column;
        gap: 10px;
    }

    .error-btn {
        width: 100%;
        justify-content: center;
    }
}

/* 暗黑模式适配 */
body.dark-mode .error-container {
    color: var(--text-primary);
}

body.dark-mode .loading-spinner {
    border-color: var(--bg-secondary);
}