/* 错误页面样式 */
.error-container {
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    margin-top: 100px; /* 添加顶部边距，确保有足够空间避免被固定导航栏遮挡 */
}

.error-content {
    max-width: 600px;
    text-align: center;
    background: var(--card-bg);
    border-radius: 16px;
    padding: 3rem 2rem;
    box-shadow: 0 10px 30px var(--shadow-color);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.error-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-color), var(--success-color), var(--warning-color));
    background-size: 200% 100%;
    animation: gradient-shift 3s ease-in-out infinite;
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.error-icon {
    font-size: 4rem;
    color: var(--error-color);
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

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

.error-code {
    font-size: 6rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 1rem;
    text-shadow: 0 4px 8px var(--accent-shadow);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    letter-spacing: -0.02em;
}

.error-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.error-message {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.error-description {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.error-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.btn-primary {
    background: var(--accent-color);
    color: white;
    box-shadow: 0 4px 12px var(--accent-shadow);
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px var(--accent-shadow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--border-color);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--accent-color);
    border: 2px solid var(--accent-color);
}

.btn-outline:hover {
    background: var(--accent-color);
    color: white;
    transform: translateY(-2px);
}

.error-help {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.9rem;
}

.contact-link {
    color: var(--accent-color);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    margin-top: 0.5rem;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .error-container {
        padding: 1rem;
    }
    
    .error-content {
        padding: 2rem 1.5rem;
        border-radius: 12px;
    }
    
    .error-code {
        font-size: 4rem;
    }
    
    .error-title {
        font-size: 1.5rem;
    }
    
    .error-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .error-content {
        padding: 1.5rem 1rem;
    }
    
    .error-code {
        font-size: 3rem;
    }
    
    .error-title {
        font-size: 1.25rem;
    }
    
    .error-message {
        font-size: 1rem;
    }
    
    .error-description {
        font-size: 0.9rem;
    }
}

/* 深色主题优化 */
[data-theme="dark"] .error-content {
    background: var(--card-bg);
    border-color: var(--border-color);
}

[data-theme="dark"] .error-code {
    text-shadow: 0 4px 8px rgba(59, 130, 246, 0.4);
}

[data-theme="dark"] .btn-secondary {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .btn-secondary:hover {
    background: var(--border-color);
}

/* 动画效果 */
.error-content {
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 悬浮效果 */
.error-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-color);
    transition: all 0.3s ease;
}

/* 按钮点击效果 */
.btn:active {
    transform: translateY(0) scale(0.98);
}

/* 加载动画 */
.error-container::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-color), var(--success-color));
    background-size: 200% 100%;
    animation: loading-bar 2s ease-in-out infinite;
    z-index: 1000;
}

@keyframes loading-bar {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* 调试信息样式 */
.error-debug {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.debug-section {
    text-align: left;
    background: var(--bg-tertiary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
}

.debug-section h3 {
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.debug-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.debug-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.debug-item strong {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.debug-item span {
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    background: var(--code-bg);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--code-border);
}

.exception-stack {
    color: var(--text-secondary);
    font-family: 'Courier New', monospace;
    font-size: 0.8rem;
    background: var(--code-bg);
    padding: 1rem;
    border-radius: 6px;
    border: 1px solid var(--code-border);
    overflow-x: auto;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 300px;
    overflow-y: auto;
    line-height: 1.4;
}

/* 深色主题下的调试信息样式 */
[data-theme="dark"] .debug-section {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

[data-theme="dark"] .exception-stack {
    background: var(--code-bg);
    border-color: var(--code-border);
}

/* 响应式调试信息 */
@media (max-width: 768px) {
    .debug-section {
        padding: 1rem;
    }
    
    .exception-stack {
        font-size: 0.75rem;
        padding: 0.75rem;
    }
}