/* 基础样式重置和全局设置 */

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

/* 基础元素样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--light-color);
    color: var(--text-color);
    line-height: 1.6;
    font-size: 14px;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--primary-color);
}

ul {
    list-style: none;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--gray-400);
    border-radius: 4px;
    transition: background var(--transition-speed);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gray-500);
}

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

::-moz-selection {
    background-color: var(--primary-color);
    color: white;
}

/* 焦点样式 */
*:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
    border-radius: var(--border-radius);
}

/* 工具类 */
.text-truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-wrap {
    word-wrap: break-word;
    word-break: break-word;
}

.cursor-pointer {
    cursor: pointer;
}

.cursor-not-allowed {
    cursor: not-allowed;
}

.user-select-none {
    user-select: none;
}

/* 隐藏/显示工具类 */
.d-none {
    display: none !important;
}

.d-block {
    display: block !important;
}

.d-inline {
    display: inline !important;
}

.d-inline-block {
    display: inline-block !important;
}

.d-flex {
    display: flex !important;
}

.d-inline-flex {
    display: inline-flex !important;
}

/* Flex 工具类 */
.flex-row {
    flex-direction: row;
}

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

.flex-wrap {
    flex-wrap: wrap;
}

.flex-nowrap {
    flex-wrap: nowrap;
}

.justify-content-start {
    justify-content: flex-start;
}

.justify-content-center {
    justify-content: center;
}

.justify-content-end {
    justify-content: flex-end;
}

.justify-content-between {
    justify-content: space-between;
}

.justify-content-around {
    justify-content: space-around;
}

.align-items-start {
    align-items: flex-start;
}

.align-items-center {
    align-items: center;
}

.align-items-end {
    align-items: flex-end;
}

.flex-grow-1 {
    flex-grow: 1;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

/* 边距工具类 */
.m-0 { margin: 0 !important; }
.m-1 { margin: 0.25rem !important; }
.m-2 { margin: 0.5rem !important; }
.m-3 { margin: 1rem !important; }
.m-4 { margin: 1.5rem !important; }
.m-5 { margin: 3rem !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: 0.25rem !important; }
.mt-2 { margin-top: 0.5rem !important; }
.mt-3 { margin-top: 1rem !important; }
.mt-4 { margin-top: 1.5rem !important; }
.mt-5 { margin-top: 3rem !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: 0.25rem !important; }
.mb-2 { margin-bottom: 0.5rem !important; }
.mb-3 { margin-bottom: 1rem !important; }
.mb-4 { margin-bottom: 1.5rem !important; }
.mb-5 { margin-bottom: 3rem !important; }

.ml-0, .ms-0 { margin-left: 0 !important; }
.ml-1, .ms-1 { margin-left: 0.25rem !important; }
.ml-2, .ms-2 { margin-left: 0.5rem !important; }
.ml-3, .ms-3 { margin-left: 1rem !important; }
.ml-4, .ms-4 { margin-left: 1.5rem !important; }
.ml-5, .ms-5 { margin-left: 3rem !important; }

.mr-0, .me-0 { margin-right: 0 !important; }
.mr-1, .me-1 { margin-right: 0.25rem !important; }
.mr-2, .me-2 { margin-right: 0.5rem !important; }
.mr-3, .me-3 { margin-right: 1rem !important; }
.mr-4, .me-4 { margin-right: 1.5rem !important; }
.mr-5, .me-5 { margin-right: 3rem !important; }

/* 内边距工具类 */
.p-0 { padding: 0 !important; }
.p-1 { padding: 0.25rem !important; }
.p-2 { padding: 0.5rem !important; }
.p-3 { padding: 1rem !important; }
.p-4 { padding: 1.5rem !important; }
.p-5 { padding: 3rem !important; }

.pt-0 { padding-top: 0 !important; }
.pt-1 { padding-top: 0.25rem !important; }
.pt-2 { padding-top: 0.5rem !important; }
.pt-3 { padding-top: 1rem !important; }
.pt-4 { padding-top: 1.5rem !important; }
.pt-5 { padding-top: 3rem !important; }

.pb-0 { padding-bottom: 0 !important; }
.pb-1 { padding-bottom: 0.25rem !important; }
.pb-2 { padding-bottom: 0.5rem !important; }
.pb-3 { padding-bottom: 1rem !important; }
.pb-4 { padding-bottom: 1.5rem !important; }
.pb-5 { padding-bottom: 3rem !important; }

/* 文字颜色工具类 */
.text-primary { color: var(--primary-color) !important; }
.text-secondary { color: var(--secondary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--gray-500) !important; }
.text-white { color: white !important; }
.text-dark { color: var(--dark-color) !important; }

/* 文字对齐工具类 */
.text-left { text-align: left !important; }
.text-center { text-align: center !important; }
.text-right { text-align: right !important; }
.text-end { text-align: right !important; }

/* 字体重量工具类 */
.fw-normal { font-weight: 400 !important; }
.fw-medium { font-weight: 500 !important; }
.fw-semibold { font-weight: 600 !important; }
.fw-bold { font-weight: 700 !important; }

/* 圆角工具类 */
.rounded { border-radius: var(--border-radius) !important; }
.rounded-0 { border-radius: 0 !important; }
.rounded-sm { border-radius: 2px !important; }
.rounded-lg { border-radius: 8px !important; }
.rounded-circle { border-radius: 50% !important; }

/* 阴影工具类 */
.shadow { box-shadow: var(--box-shadow) !important; }
.shadow-sm { box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05) !important; }
.shadow-lg { box-shadow: var(--box-shadow-lg) !important; }
.shadow-none { box-shadow: none !important; }

/* 过渡动画工具类 */
.transition {
    transition: all var(--transition-speed) ease;
}

.transition-fast {
    transition: all 0.1s ease;
}

.transition-slow {
    transition: all 0.3s ease;
}

/* 加载动画 */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.spin {
    animation: spin 1s linear infinite;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.fade-in {
    animation: fadeIn 0.3s ease-in;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-up {
    animation: slideUp 0.3s ease-out;
}