/* ============================================
   ERD VAT 用户管理系统 - 基础样式
   ============================================ */

/* ========== Reset ========== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.5;
    color: var(--text-color-primary);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* ========== 链接 ========== */
a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ========== 图片 ========== */
img {
    max-width: 100%;
    height: auto;
    vertical-align: middle;
}

/* ========== 列表 ========== */
ul, ol {
    list-style: none;
}

/* ========== 表格 ========== */
table {
    border-collapse: collapse;
    border-spacing: 0;
}

/* ========== 滚动条美化 ========== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-color);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
}

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

[data-theme="dark"] ::-webkit-scrollbar-track {
    background: var(--bg-color-card);
}

[data-theme="dark"] ::-webkit-scrollbar-thumb {
    background: var(--border-color);
}

/* ========== 选中文本 ========== */
::selection {
    background-color: var(--primary-color);
    color: #ffffff;
}

/* ========== 文字工具类 ========== */
.text-primary { color: var(--primary-color) !important; }
.text-success { color: var(--success-color) !important; }
.text-warning { color: var(--warning-color) !important; }
.text-danger { color: var(--danger-color) !important; }
.text-info { color: var(--info-color) !important; }
.text-muted { color: var(--text-color-secondary) !important; }

.text-center { text-align: center !important; }
.text-left { text-align: left !important; }
.text-right { text-align: right !important; }

.text-bold { font-weight: bold !important; }
.text-normal { font-weight: normal !important; }

.text-xs { font-size: var(--font-size-xs) !important; }
.text-sm { font-size: var(--font-size-sm) !important; }
.text-base { font-size: var(--font-size-base) !important; }
.text-md { font-size: var(--font-size-md) !important; }
.text-lg { font-size: var(--font-size-lg) !important; }
.text-xl { font-size: var(--font-size-xl) !important; }

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

/* ========== 间距工具类 ========== */
.m-0 { margin: 0 !important; }
.m-xs { margin: var(--spacing-xs) !important; }
.m-sm { margin: var(--spacing-sm) !important; }
.m-md { margin: var(--spacing-md) !important; }
.m-lg { margin: var(--spacing-lg) !important; }
.m-xl { margin: var(--spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-xs { margin-top: var(--spacing-xs) !important; }
.mt-sm { margin-top: var(--spacing-sm) !important; }
.mt-md { margin-top: var(--spacing-md) !important; }
.mt-lg { margin-top: var(--spacing-lg) !important; }
.mt-xl { margin-top: var(--spacing-xl) !important; }

.mb-0 { margin-bottom: 0 !important; }
.mb-xs { margin-bottom: var(--spacing-xs) !important; }
.mb-sm { margin-bottom: var(--spacing-sm) !important; }
.mb-md { margin-bottom: var(--spacing-md) !important; }
.mb-lg { margin-bottom: var(--spacing-lg) !important; }
.mb-xl { margin-bottom: var(--spacing-xl) !important; }

.ml-0 { margin-left: 0 !important; }
.ml-xs { margin-left: var(--spacing-xs) !important; }
.ml-sm { margin-left: var(--spacing-sm) !important; }
.ml-md { margin-left: var(--spacing-md) !important; }

.mr-0 { margin-right: 0 !important; }
.mr-xs { margin-right: var(--spacing-xs) !important; }
.mr-sm { margin-right: var(--spacing-sm) !important; }
.mr-md { margin-right: var(--spacing-md) !important; }

.p-0 { padding: 0 !important; }
.p-xs { padding: var(--spacing-xs) !important; }
.p-sm { padding: var(--spacing-sm) !important; }
.p-md { padding: var(--spacing-md) !important; }
.p-lg { padding: var(--spacing-lg) !important; }
.p-xl { padding: var(--spacing-xl) !important; }

/* ========== Flex工具类 ========== */
.flex { display: flex !important; }
.inline-flex { display: inline-flex !important; }
.flex-col { flex-direction: column !important; }
.flex-row { flex-direction: row !important; }
.flex-wrap { flex-wrap: wrap !important; }
.flex-nowrap { flex-wrap: nowrap !important; }
.flex-1 { flex: 1 !important; }
.flex-auto { flex: auto !important; }
.flex-none { flex: none !important; }

.items-start { align-items: flex-start !important; }
.items-center { align-items: center !important; }
.items-end { align-items: flex-end !important; }
.items-stretch { align-items: stretch !important; }

.justify-start { justify-content: flex-start !important; }
.justify-center { justify-content: center !important; }
.justify-end { justify-content: flex-end !important; }
.justify-between { justify-content: space-between !important; }
.justify-around { justify-content: space-around !important; }

.gap-xs { gap: var(--spacing-xs) !important; }
.gap-sm { gap: var(--spacing-sm) !important; }
.gap-md { gap: var(--spacing-md) !important; }
.gap-lg { gap: var(--spacing-lg) !important; }

/* ========== 显示工具类 ========== */
.block { display: block !important; }
.inline-block { display: inline-block !important; }
.inline { display: inline !important; }
.hidden { display: none !important; }

.visible { visibility: visible !important; }
.invisible { visibility: hidden !important; }

.overflow-hidden { overflow: hidden !important; }
.overflow-auto { overflow: auto !important; }
.overflow-scroll { overflow: scroll !important; }

/* ========== 定位工具类 ========== */
.relative { position: relative !important; }
.absolute { position: absolute !important; }
.fixed { position: fixed !important; }
.sticky { position: sticky !important; }

/* ========== 尺寸工具类 ========== */
.w-full { width: 100% !important; }
.w-auto { width: auto !important; }
.h-full { height: 100% !important; }
.h-auto { height: auto !important; }
.h-screen { height: 100vh !important; }

/* ========== 圆角工具类 ========== */
.rounded-none { border-radius: 0 !important; }
.rounded-sm { border-radius: var(--radius-sm) !important; }
.rounded { border-radius: var(--radius-md) !important; }
.rounded-lg { border-radius: var(--radius-lg) !important; }
.rounded-xl { border-radius: var(--radius-xl) !important; }
.rounded-full { border-radius: var(--radius-round) !important; }

/* ========== 阴影工具类 ========== */
.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.shadow { box-shadow: var(--shadow-base) !important; }
.shadow-md { box-shadow: var(--shadow-md) !important; }
.shadow-lg { box-shadow: var(--shadow-lg) !important; }
.shadow-xl { box-shadow: var(--shadow-xl) !important; }

/* ========== 光标工具类 ========== */
.cursor-pointer { cursor: pointer !important; }
.cursor-default { cursor: default !important; }
.cursor-not-allowed { cursor: not-allowed !important; }
.cursor-wait { cursor: wait !important; }

/* ========== 过渡动画 ========== */
.transition-none { transition: none !important; }
.transition-fast { transition: all var(--transition-fast) !important; }
.transition { transition: all var(--transition-base) !important; }
.transition-slow { transition: all var(--transition-slow) !important; }

/* ========== 动画效果 ========== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

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

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-fade-in { animation: fadeIn var(--transition-base); }
.animate-fade-in-up { animation: fadeInUp var(--transition-base); }
.animate-fade-in-down { animation: fadeInDown var(--transition-base); }
.animate-slide-in-left { animation: slideInLeft var(--transition-base); }
.animate-slide-in-right { animation: slideInRight var(--transition-base); }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s infinite; }

/* ========== 响应式隐藏 ========== */
@media screen and (max-width: 768px) {
    .hide-on-mobile { display: none !important; }
}

@media screen and (min-width: 769px) {
    .hide-on-desktop { display: none !important; }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
    .hide-on-tablet { display: none !important; }
}