/* 🎨 用户统计页面自定义样式 - 与管理页面保持一致 */

/* CSS 变量 - 与管理页面保持一致 */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --surface-color: rgba(255, 255, 255, 0.95);
    --glass-color: rgba(255, 255, 255, 0.1);
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --border-color: rgba(255, 255, 255, 0.2);
}

/* 📱 响应式布局优化 */
@media (max-width: 768px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
    
    .card {
        margin-bottom: 1rem;
    }
    
    .grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .stat-card {
        padding: 0.75rem;
    }
    
    .stat-card .text-2xl {
        font-size: 1.5rem;
    }
    
    .model-usage-item .grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }
    
    .text-4xl {
        font-size: 2rem;
    }
    
    .input-field, .btn-primary {
        padding: 0.75rem 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }
    
    .text-4xl {
        font-size: 1.75rem;
    }
    
    .text-lg {
        font-size: 1rem;
    }
    
    .card {
        padding: 1rem;
    }
    
    .stat-card {
        padding: 0.5rem;
    }
    
    .stat-card .text-2xl {
        font-size: 1.25rem;
    }
    
    .stat-card .text-sm {
        font-size: 0.75rem;
    }
    
    .model-usage-item .grid {
        grid-template-columns: 1fr;
    }
    
    .flex.gap-3 {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .btn-primary {
        width: 100%;
        justify-content: center;
    }
}

/* 🌈 渐变背景 - 与管理页面一致 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 50%, var(--accent-color) 100%);
    background-attachment: fixed;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(240, 147, 251, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(102, 126, 234, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(118, 75, 162, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

.gradient-bg {
    /* 移除原有的渐变，使用body的背景 */
}

/* ✨ 卡片样式 - 与管理页面一致 */
.glass {
    background: var(--glass-color);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.glass-strong {
    background: var(--surface-color);
    backdrop-filter: blur(25px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 
        0 25px 50px -12px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.card {
    background: var(--surface-color);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.15),
        0 10px 10px -5px rgba(0, 0, 0, 0.08);
}

/* 🎯 统计卡片样式 - 与管理页面一致 */
.stat-card {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.8) 100%);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 24px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 
        0 20px 25px -5px rgba(0, 0, 0, 0.1),
        0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

/* 🔍 输入框样式 - 与管理页面一致 */
.form-input {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 16px;
    font-size: 16px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    color: var(--text-primary);
}

.form-input::placeholder {
    color: var(--text-secondary);
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 
        0 0 0 3px rgba(102, 126, 234, 0.1),
        0 10px 15px -3px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

/* 兼容旧的 input-field 类名 */
.input-field {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 16px;
    font-size: 16px;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    color: var(--text-primary);
}

.input-field::placeholder {
    color: var(--text-secondary);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 
        0 0 0 3px rgba(102, 126, 234, 0.1),
        0 10px 15px -3px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.95);
}

/* 🎨 按钮样式 - 与管理页面一致 */
.btn {
    font-weight: 500;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    letter-spacing: 0.025em;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.3s ease, height 0.3s ease;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 
        0 10px 15px -3px rgba(102, 126, 234, 0.3),
        0 4px 6px -2px rgba(102, 126, 234, 0.05);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 
        0 20px 25px -5px rgba(102, 126, 234, 0.3),
        0 10px 10px -5px rgba(102, 126, 234, 0.1);
}

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

/* 🎯 修复时间范围按钮样式 */
.btn-primary {
    border-radius: 12px !important;
}

.btn {
    border-radius: 12px !important;
}

/* 🎯 时间范围按钮 - 与管理页面 tab-btn 样式一致 */
.period-btn {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    font-weight: 500;
    letter-spacing: 0.025em;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.period-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.period-btn:hover::before {
    left: 100%;
}

.period-btn.active {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    box-shadow: 
        0 10px 15px -3px rgba(102, 126, 234, 0.3),
        0 4px 6px -2px rgba(102, 126, 234, 0.05);
    transform: translateY(-1px);
}

.period-btn:not(.active) {
    color: #374151;
    background: transparent;
}

.period-btn:not(.active):hover {
    background: rgba(255, 255, 255, 0.1);
    color: #1f2937;
}

/* 📊 模型使用项样式 - 与管理页面保持一致 */
.model-usage-item {
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 16px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.model-usage-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

.model-usage-item:hover {
    transform: translateY(-2px);
    box-shadow: 
        0 10px 15px -3px rgba(0, 0, 0, 0.1),
        0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: rgba(255, 255, 255, 0.3);
}

/* 🔄 加载动画增强 */
.loading-spinner {
    animation: spin 1s linear infinite;
    filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.5));
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* 🌟 动画效果 */
.fade-in {
    animation: fadeIn 0.6s ease-out;
}

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

.slide-in {
    animation: slideIn 0.4s ease-out;
}

@keyframes slideIn {
    from { 
        opacity: 0; 
        transform: translateX(-30px); 
    }
    to { 
        opacity: 1; 
        transform: translateX(0); 
    }
}

/* 🎯 焦点样式增强 */
.input-field:focus-visible,
.btn-primary:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* 📱 滚动条样式 */
::-webkit-scrollbar {
    width: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
    border-radius: 4px;
    transition: background 0.3s ease;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}

/* 🚨 错误状态样式 */
.error-border {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* 🎉 成功状态样式 */
.success-border {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* 🌙 深色模式适配 */
@media (prefers-color-scheme: dark) {
    .card {
        background: rgba(0, 0, 0, 0.2);
        border-color: rgba(255, 255, 255, 0.15);
    }
    
    .stat-card {
        background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    }
    
    .input-field {
        background: rgba(0, 0, 0, 0.3);
        border-color: rgba(255, 255, 255, 0.3);
    }
}

/* 🔍 高对比度模式支持 */
@media (prefers-contrast: high) {
    .card {
        border-width: 2px;
        border-color: rgba(255, 255, 255, 0.5);
    }
    
    .input-field {
        border-width: 2px;
        border-color: rgba(255, 255, 255, 0.6);
    }
    
    .btn-primary {
        border: 2px solid rgba(255, 255, 255, 0.5);
    }
}

/* 📊 数据可视化增强 */
.chart-container {
    position: relative;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
}

/* 🎨 图标动画 */
.fas {
    transition: transform 0.3s ease;
}

.card:hover .fas {
    transform: scale(1.1);
}

/* 💫 悬浮效果 */
.hover-lift {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* 🎯 选中状态 */
.selected {
    background: rgba(255, 255, 255, 0.2) !important;
    border-color: rgba(255, 255, 255, 0.4) !important;
    transform: scale(1.02);
}

/* 🌈 彩虹边框效果 */
.rainbow-border {
    position: relative;
    background: linear-gradient(45deg, #ff6b6b, #4ecdc4, #45b7d1, #96ceb4, #feca57);
    background-size: 400% 400%;
    animation: gradientBG 15s ease infinite;
    padding: 2px;
    border-radius: 12px;
}

.rainbow-border > * {
    background: rgba(0, 0, 0, 0.8);
    border-radius: 10px;
}

@keyframes gradientBG {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 📱 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .card:hover {
        transform: none;
        box-shadow: 0 8px 32px rgba(31, 38, 135, 0.37);
    }
    
    .btn-primary:hover {
        transform: none;
        background-position: 0% 0;
    }
    
    .model-usage-item:hover {
        transform: none;
        background: rgba(255, 255, 255, 0.05);
    }
}

/* 🎯 打印样式 */
@media print {
    .gradient-bg {
        background: white !important;
        color: black !important;
    }
    
    .card {
        border: 1px solid #ccc !important;
        background: white !important;
        box-shadow: none !important;
    }
    
    .btn-primary {
        display: none !important;
    }
    
    .input-field {
        border: 1px solid #ccc !important;
        background: white !important;
    }
}