/* 组件样式 - 修复版本 */

/* 动画 */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

/* 视觉装饰 */
.gold-border {
    position: relative;
    padding: 2px;
    background: linear-gradient(135deg, var(--color-gold-500), var(--color-gold-300));
    border-radius: var(--radius-xl);
}

.gold-border::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg);
    border-radius: calc(var(--radius-xl) - 2px);
    z-index: 1;
}

.gold-border > * {
    position: relative;
    z-index: 2;
}

/* 代码预览增强 */
.code-preview {
    position: relative;
    overflow: hidden;
}

.code-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-surface-elevated), transparent);
    z-index: 1;
}

.code-preview pre {
    position: relative;
    padding-top: 40px;
}

.code-preview::after {
    content: 'JavaScript';
    position: absolute;
    top: 12px;
    left: 16px;
    color: var(--color-text-muted);
    font-size: 0.75rem;
    font-family: var(--font-mono);
    z-index: 2;
}

/* 项目卡片增强 */
.project-card {
    position: relative;
    overflow: hidden;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-gold-500), var(--color-gold-300));
    opacity: 0;
    transition: opacity var(--transition-base);
}

.project-card:hover::before {
    opacity: 1;
}

/* 技能标签动画 */
.skill-tag {
    position: relative;
    overflow: hidden;
}

.skill-tag::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.6s ease;
}

.skill-tag:hover::before {
    left: 100%;
}

/* 表单焦点效果 */
.contact-form input:focus,
.contact-form textarea:focus {
    box-shadow: 0 0 0 3px rgba(234, 179, 8, 0.1);
}

/* 按钮加载状态 */
.btn.loading {
    position: relative;
    color: transparent;
}

.btn.loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* 通知系统 */
#notifications {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
}

.notification {
    padding: var(--space-md) var(--space-lg);
    background-color: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-sm);
    box-shadow: 0 4px 12px var(--color-shadow);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    max-width: 400px;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.notification.success {
    border-left: 4px solid #10b981;
}

.notification.error {
    border-left: 4px solid #ef4444;
}

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

.notification-close {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
}

.notification-close:hover {
    background-color: var(--color-surface-elevated);
}

/* 滚动条样式 */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-surface);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* 选择文本样式 */
::selection {
    background-color: var(--color-primary);
    color: var(--color-black-950);
}

/* 焦点轮廓 */
:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* 打印样式 */
@media print {
    .site-header,
    .site-footer,
    .hero-actions,
    .contact-form {
        display: none;
    }
    
    body {
        color: black;
        background: white;
    }
    
    .container {
        max-width: 100%;
        padding: 0;
    }
    
    section {
        padding: 1rem 0;
        page-break-inside: avoid;
    }
}

/* 减少运动偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 高对比度模式 */
@media (prefers-contrast: high) {
    :root {
        --color-primary: #000;
    }
    
    [data-theme="dark"] {
        --color-primary: #fff;
    }
    
    .btn-primary {
        border: 2px solid currentColor;
    }
}

/* 深色模式自动检测 */
@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --color-bg: var(--color-black-950);
        --color-surface: var(--color-black-900);
        --color-surface-elevated: var(--color-black-800);
        --color-text: var(--color-black-200);
        --color-text-muted: var(--color-black-400);
        --color-primary: var(--color-gold-500);
        --color-primary-hover: var(--color-gold-400);
        --color-border: var(--color-black-700);
        --color-shadow: rgba(0, 0, 0, 0.5);
    }
}

/* 加载状态 */
.loading-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-3xl);
    color: var(--color-text-muted);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--space-lg);
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: var(--space-3xl);
    color: var(--color-text-muted);
}

.empty-state-icon {
    font-size: 3rem;
    margin-bottom: var(--space-lg);
    opacity: 0.5;
}

/* 工具提示 */
[data-tooltip] {
    position: relative;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-xs) var(--space-sm);
    background-color: var(--color-surface-elevated);
    color: var(--color-text);
    font-size: 0.75rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 1000;
    border: 1px solid var(--color-border);
}

[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(-4px);
}

/* 分隔线 */
.divider {
    height: 1px;
    background-color: var(--color-border);
    margin: var(--space-xl) 0;
    border: none;
}

/* 卡片悬停效果 */
.card-hover {
    transition: all var(--transition-base);
}

.card-hover:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 30px var(--color-shadow);
}

/* 网格布局工具 */
.grid-auto-fit {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.grid-auto-fill {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--space-md);
}

/* 文本工具 */
.text-gradient {
    background: linear-gradient(135deg, var(--color-gold-500), var(--color-gold-300));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-balance {
    text-wrap: balance;
}

/* 布局工具 */
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-column {
    display: flex;
    flex-direction: column;
}

/* 间距工具 */
.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }
.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

/* 显示工具 */
.hidden { display: none; }
.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* 响应式显示工具 */
@media (max-width: 768px) {
    .hide-mobile { display: none; }
}

@media (min-width: 769px) {
    .hide-desktop { display: none; }
}