/* 全局CSS变量 */
:root {
    --primary-color: #4361ee;
    --primary-gradient: linear-gradient(135deg, #4361ee, #3a0ca3);
    --secondary-color: #7209b7;
    --accent-color: #4cc9f0;
    --primary-light: rgba(67, 97, 238, 0.1);
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1f2937;
    --text-secondary: #4b5563;
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 5px 10px -5px rgba(0, 0, 0, 0.04);
    --radius: 12px;
    --radius-sm: 8px;
    --header-height: 70px;
    --sidebar-width: 280px;
    --input-height: 56px;
}

/* 重置样式 */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* 基础样式 */
body {
    font-family: 'Inter', 'Noto Sans SC', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* 主容器布局 */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* 动画定义 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

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