/* 现代化UI组件样式 */

/* 加载动画 */
.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 4px solid rgba(102, 126, 234, 0.3);
    border-radius: 50%;
    border-top-color: #667eea;
    animation: spin 1s ease-in-out infinite;
}

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

/* 进度条 */
.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    position: relative;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #667eea, #764ba2);
    border-radius: 4px;
    transition: width 0.3s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: progressShine 2s ease-in-out infinite;
}

@keyframes progressShine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* 工具提示 */
.tooltip {
    position: relative;
    display: inline-block;
}

.tooltip .tooltiptext {
    visibility: hidden;
    width: 200px;
    background: rgba(0, 0, 0, 0.9);
    color: white;
    text-align: center;
    border-radius: 8px;
    padding: 8px 12px;
    position: absolute;
    z-index: 1000;
    bottom: 125%;
    left: 50%;
    margin-left: -100px;
    opacity: 0;
    transition: opacity 0.3s;
    font-size: 0.9rem;
    backdrop-filter: blur(10px);
}

.tooltip .tooltiptext::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: rgba(0, 0, 0, 0.9) transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
    visibility: visible;
    opacity: 1;
}

/* 模态框 */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.modal-content {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    margin: 5% auto;
    padding: 2rem;
    border-radius: 20px;
    width: 90%;
    max-width: 500px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    border: 1px solid rgba(255,255,255,0.2);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    transition: color 0.3s;
}

.close:hover {
    color: #667eea;
}

/* 通知组件 */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 1rem 1.5rem;
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    border-left: 4px solid #4CAF50;
}

.notification.error {
    border-left: 4px solid #f44336;
}

.notification.info {
    border-left: 4px solid #2196F3;
}

/* 卡片悬停效果增强 */
.enhanced-card {
    position: relative;
    overflow: hidden;
}

.enhanced-card::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;
}

.enhanced-card:hover::before {
    left: 100%;
}

/* 脉冲动画 */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0.7);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(102, 126, 234, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(102, 126, 234, 0);
    }
}

/* 渐变文字效果 */
.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* 玻璃态效果 */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0,0,0,0.1);
}

/* 响应式网格 */
.responsive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    padding: 2rem 0;
}

/* 自定义滚动条 */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2, #667eea);
}

/* 移动端全局优化 */
@media (max-width: 768px) {
    /* 改善触摸体验 */
    * {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    /* 优化按钮触摸目标 */
    button, .btn, a[role="button"], input[type="button"], input[type="submit"] {
        min-height: 44px;
        min-width: 44px;
        touch-action: manipulation;
        -webkit-tap-highlight-color: transparent;
    }
    
    /* 优化表单元素 */
    input, textarea, select {
        font-size: 16px; /* 防止iOS自动缩放 */
        -webkit-appearance: none;
        -moz-appearance: none;
        appearance: none;
    }
    
    /* 优化模态框 */
    .modal-content {
        max-width: 95vw;
        max-height: 90vh;
        margin: 5vh auto;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    /* 优化工具提示 */
    .tooltip .tooltiptext {
        width: 180px;
        margin-left: -90px;
        font-size: 0.85rem;
        padding: 6px 10px;
    }
    
    /* 优化通知 */
    .notification {
        top: 15px;
        right: 15px;
        left: 15px;
        width: auto;
        transform: translateY(-100px);
        transition: transform 0.3s ease;
    }
    
    .notification.show {
        transform: translateY(0);
    }
    
    /* 优化响应式网格 */
    .responsive-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1rem 0;
    }
    
    /* 优化玻璃态效果 */
    .glass-effect {
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
    }
    
    /* 优化加载动画 */
    .loading-spinner {
        width: 30px;
        height: 30px;
        border-width: 3px;
    }
    
    /* 优化进度条 */
    .progress-bar {
        height: 6px;
    }
}

@media (max-width: 480px) {
    /* 超小屏幕优化 */
    .modal-content {
        max-width: 98vw;
        margin: 2vh auto;
        padding: 1rem;
        border-radius: 12px;
    }
    
    .tooltip .tooltiptext {
        width: 150px;
        margin-left: -75px;
        font-size: 0.8rem;
        padding: 5px 8px;
    }
    
    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        padding: 0.8rem 1rem;
        font-size: 0.9rem;
        border-radius: 8px;
    }
    
    .responsive-grid {
        gap: 0.8rem;
    }
    
    .loading-spinner {
        width: 25px;
        height: 25px;
        border-width: 2px;
    }
    
    .progress-bar {
        height: 4px;
    }
}

/* 移动端横屏优化 */
@media (max-width: 768px) and (orientation: landscape) {
    .modal-content {
        max-height: 85vh;
        margin: 2.5vh auto;
    }
    
    .notification {
        top: 10px;
    }
}

/* 移动端特定交互优化 */
@media (hover: none) and (pointer: coarse) {
    /* 触摸设备特定样式 */
    .enhanced-card:hover::before {
        left: 0;
        opacity: 0;
    }
    
    .btn:hover {
        transform: none;
    }
    
    .feature-card:hover {
        transform: none;
    }
    
    /* 为触摸设备优化悬停效果 */
    .enhanced-card:active::before {
        left: 100%;
        opacity: 1;
    }
    
    .btn:active {
        transform: scale(0.98);
    }
    
    .feature-card:active {
        transform: scale(0.98);
    }
}