/* ==========================================================
   淘客易后台管理系统 - 全局样式
   配色沿用现有蓝色系：#2e51a9 / #2455de / #409eff
   ========================================================== */

:root {
    --primary: #2e51a9;
    --primary-dark: #1f3c7d;
    --primary-light: #3d6bd4;
    --accent: #2455de;
    --link: #409eff;
    --bg: #eef1f7;
    --card: #ffffff;
    --text: #303133;
    --text-secondary: #606266;
    --muted: #909399;
    --border: #e4e7ed;
    --radius: 10px;
    --shadow: 0 2px 10px rgba(31, 60, 125, 0.08);
    --shadow-hover: 0 10px 24px rgba(31, 60, 125, 0.16);
    --header-h: 64px;
    --sidebar-w: 220px;
    --transition: 0.25s ease;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}

a {
    color: var(--link);
}

/* ========== 顶部导航 ========== */
.app-header {
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-h);
    padding: 0 24px;
    background: linear-gradient(120deg, var(--primary-dark) 0%, var(--primary) 55%, var(--primary-light) 100%);
    color: #fff;
    box-shadow: 0 2px 12px rgba(31, 60, 125, 0.28);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 12px;
    min-width: 0;
}

.app-header .brand {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 0;
}

.app-header .brand-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    flex: 0 0 36px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.16);
    font-size: 22px;
}

.app-header .title {
    font-size: 22px;
    font-weight: 600;
    letter-spacing: 2px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 0 0 auto;
}

.logout-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 16px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 18px;
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    font-size: 16px;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.logout-btn:hover {
    background: rgba(255, 255, 255, 0.22);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
}

.logout-btn:active {
    transform: scale(0.96);
}

/* 汉堡按钮 */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 38px;
    height: 38px;
    padding: 8px;
    border: 1px solid rgba(255, 255, 255, 0.35);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    border-radius: 2px;
    background: #fff;
    transition: transform var(--transition), opacity var(--transition);
}

body.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

body.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

body.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ========== 主体布局 ========== */
.container {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    max-width: 1440px;
    width: 100%;
    margin: 0 auto;
    padding: 16px 20px;
}

/* ========== 左侧导航 ========== */
nav.nav {
    position: sticky;
    top: calc(var(--header-h) + 16px);
    flex: 0 0 var(--sidebar-w);
    width: var(--sidebar-w);
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 10px;
    transition: transform var(--transition), box-shadow var(--transition);
}

.nav-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-list li {
    position: relative;
    display: block;
    margin: 4px 0;
    padding: 11px 16px;
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.4;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), padding-left var(--transition), transform var(--transition);
}

.nav-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 3px;
    border-radius: 2px;
    background: var(--link);
    opacity: 0;
    transition: opacity var(--transition);
}

.nav-list li:hover {
    background: #ecf5ff;
    color: var(--link);
    padding-left: 20px;
}

.nav-list li.active {
    background: linear-gradient(90deg, #ecf5ff 0%, #ffffff 100%);
    color: var(--primary);
    font-weight: 600;
}

.nav-list li.active::before {
    opacity: 1;
}

.nav-list li.logout-item {
    margin-top: 10px;
    padding-top: 13px;
    border-top: 1px solid var(--border);
    border-radius: 0;
    color: #f56c6c;
}

.nav-list li.logout-item:hover {
    background: #fef0f0;
}

/* 抽屉遮罩 */
.drawer-mask {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 190;
    background: rgba(15, 23, 42, 0.5);
}

/* ========== 右侧内容 ========== */
.mainbox {
    flex: 1;
    min-width: 0;
    animation: fadeInUp 0.35s ease both;
}

.mainbox .title {
    font-size: 24px;
    font-weight: 600;
    color: var(--primary-dark);
    border-left: 4px solid var(--accent);
    padding-left: 14px;
    line-height: 1.3;
    margin: 6px 0 18px;
}

/* ========== 卡片/筛选区 ========== */
.filter-card,
.form-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px 16px;
    margin-bottom: 14px;
    transition: box-shadow var(--transition);
}

.filter-card {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
}

.filter-card > span {
    color: var(--text-secondary);
    white-space: nowrap;
}

.filter-card .el-input,
.filter-card .el-select,
.filter-card .el-date-editor {
    width: auto;
}

.form-card .el-form-item {
    margin-bottom: 18px;
}

/* 宽度工具类 */
.u-w-xs { width: 90px; }
.u-w-sm { width: 120px; }
.u-w-md { width: 200px; }
.u-w-lg { width: 100%; }
.u-w-80 { width: 80%; }

/* 内联工具 */
.inline-block { display: inline-block; }
.lock-block {
    display: inline-block;
    margin-left: 20px;
    vertical-align: middle;
}

.quick-day {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-left: 12px;
    vertical-align: middle;
}

.img-preview {
    display: inline-block;
    margin: 10px 0;
    width: 300px;
    vertical-align: middle;
}

.img-preview img {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.img-tools {
    display: inline-block;
    margin: 10px 0;
    vertical-align: middle;
}

.link-item {
    margin-right: 18px;
}

.text-muted {
    color: var(--muted);
}

/* ========== 表格 ========== */
.desktop-table {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 8px 8px 4px;
    overflow: hidden;
}

.el-table {
    border-radius: 8px;
    font-size: 15px;
}

.el-table th {
    background: #f5f7fa !important;
    color: var(--text-secondary);
    font-weight: 600;
}

.el-table--enable-row-hover .el-table__body tr:hover > td {
    background: #f0f7ff !important;
}

.pager-bar {
    display: flex;
    justify-content: center;
    padding: 16px 0;
}

/* ========== 移动端卡片列表 ========== */
.mobile-cards {
    display: none;
}

.mobile-card {
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 14px;
    animation: fadeInUp 0.3s ease both;
}

.mobile-card__head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
}

.mobile-card__title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text);
    word-break: break-all;
    min-width: 0;
}

.mobile-card__rows {
    display: grid;
    gap: 6px;
}

.mobile-card__row {
    display: flex;
    font-size: 15px;
    line-height: 1.5;
}

.mobile-card__row .label {
    flex: 0 0 76px;
    color: var(--muted);
}

.mobile-card__row .value {
    flex: 1;
    min-width: 0;
    color: var(--text-secondary);
    word-break: break-all;
}

.mobile-card__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 12px;
}

.mobile-card__actions .el-button {
    margin-left: 0;
}

/* 状态徽标 */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 999px;
    font-size: 14px;
    line-height: 1.6;
    white-space: nowrap;
}

.badge--ok { background: #f0f9eb; color: #67c23a; }
.badge--warn { background: #fdf6ec; color: #e6a23c; }
.badge--danger { background: #fef0f0; color: #f56c6c; }
.badge--info { background: #f4f4f5; color: #909399; }

/* ========== Element UI 微调 ========== */
.el-button {
    border-radius: 8px;
    transition: background var(--transition), color var(--transition), border-color var(--transition), transform 0.15s ease, box-shadow var(--transition);
}

.el-button:active {
    transform: scale(0.96);
}

.el-button--primary {
    background: var(--link);
    border-color: var(--link);
}

.el-button--primary:hover,
.el-button--primary:focus {
    background: #66b1ff;
    border-color: #66b1ff;
}

.el-button--text:hover {
    color: var(--primary-light);
}

.el-input__inner,
.el-textarea__inner {
    border-radius: 8px;
}

.el-input__inner:focus,
.el-textarea__inner:focus {
    border-color: var(--link);
}

.el-select .el-input.is-focus .el-input__inner {
    border-color: var(--link);
}

.el-pagination.is-background .el-pager li:not(.disabled).active {
    background-color: var(--link);
}

.el-loading-spinner .path {
    stroke: var(--link) !important;
}

.el-loading-mask {
    background-color: rgba(255, 255, 255, 0.65);
}

.el-message-box {
    border-radius: 12px;
}

.el-dialog {
    border-radius: 12px;
}

/* ========== 返回顶部 ========== */
.back-top {
    position: fixed;
    right: 24px;
    bottom: 32px;
    z-index: 150;
    display: none;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--card);
    color: var(--primary);
    font-size: 20px;
    box-shadow: var(--shadow-hover);
    cursor: pointer;
    transition: background var(--transition), color var(--transition), transform var(--transition);
}

.back-top.show {
    display: flex;
    animation: fadeIn 0.25s ease;
}

.back-top:hover {
    background: var(--link);
    color: #fff;
    transform: translateY(-3px);
}

/* ========== 页脚 ========== */
footer .container {
    display: block;
    text-align: center;
    color: var(--muted);
    font-size: 15px;
    line-height: 56px;
    min-height: auto !important;
    border-top: 1px solid var(--border);
    margin-top: 10px;
}

/* ========== 登录页 ========== */
.login-page {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    overflow: hidden;
    background: linear-gradient(135deg, #16295e 0%, var(--primary) 52%, var(--primary-light) 100%);
}

.login-page::before,
.login-page::after {
    content: "";
    position: absolute;
    border-radius: 50%;
    filter: blur(2px);
    opacity: 0.35;
}

.login-page::before {
    width: 420px;
    height: 420px;
    top: -140px;
    right: -120px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.35), transparent 70%);
}

.login-page::after {
    width: 360px;
    height: 360px;
    bottom: -130px;
    left: -110px;
    background: radial-gradient(circle, rgba(64, 158, 255, 0.5), transparent 70%);
}

.login-card {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    background: var(--card);
    border-radius: 16px;
    box-shadow: 0 24px 60px rgba(10, 20, 60, 0.35);
    padding: 36px 32px 30px;
    animation: fadeInUp 0.5s ease both;
}

.login-head {
    text-align: center;
    margin-bottom: 26px;
}

.login-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    font-size: 30px;
    margin-bottom: 12px;
    box-shadow: 0 8px 20px rgba(46, 81, 169, 0.35);
}

.login-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    letter-spacing: 2px;
}

.login-sub {
    margin-top: 6px;
    font-size: 15px;
    color: var(--muted);
}

.login-card .el-form-item__label {
    color: var(--text-secondary);
}

.login-btn {
    width: 100%;
    height: 42px;
    font-size: 17px;
    letter-spacing: 4px;
    border-radius: 10px;
}

.login-msg {
    display: block;
    margin-top: 10px;
    text-align: center;
    font-size: 15px;
    color: #f56c6c;
    min-height: 18px;
}

/* ========== 错误页 ========== */
.error-card {
    max-width: 560px;
    margin: 48px auto;
    background: var(--card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
    text-align: center;
}

.error-card .error-icon {
    font-size: 54px;
    color: #f56c6c;
}

.error-card h1 {
    margin: 14px 0 8px;
    font-size: 26px;
    color: var(--text);
}

.error-card p {
    margin: 6px 0;
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.7;
}

.error-card code {
    background: #f5f7fa;
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 15px;
}

/* ========== 欢迎页 ========== */
.welcome-card {
    max-width: 640px;
    margin: 40px auto;
    background: var(--card);
    border-radius: 14px;
    box-shadow: var(--shadow);
    padding: 36px 32px;
    text-align: center;
}

.welcome-card .welcome-icon {
    font-size: 48px;
    color: var(--link);
}

.welcome-card h2 {
    margin: 14px 0 8px;
    color: var(--primary-dark);
    font-size: 22px;
}

/* ========== QQ WebUI 工具页 ========== */
.tool-search {
    max-width: 520px;
    margin: 0 auto 16px;
}

.tool-search input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--card);
    color: var(--text);
    font-size: 16px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.tool-search input:focus {
    border-color: var(--link);
    box-shadow: 0 0 0 3px rgba(64, 158, 255, 0.15);
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.tool-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px;
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.tool-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--link);
}

.tool-card .name {
    font-weight: 700;
    font-size: 18px;
    color: var(--text);
    margin-bottom: 8px;
}

.tool-card .url {
    font-size: 14px;
    color: var(--muted);
    word-break: break-all;
    margin-top: 8px;
}

.tool-btn {
    display: inline-block;
    margin-top: 10px;
    padding: 8px 14px;
    border-radius: 10px;
    background: var(--link);
    color: #fff;
    font-size: 15px;
    text-decoration: none;
    transition: background var(--transition), transform 0.15s ease, box-shadow var(--transition);
}

.tool-btn:hover {
    background: #66b1ff;
    box-shadow: 0 6px 14px rgba(64, 158, 255, 0.35);
}

.tool-btn:active {
    transform: scale(0.96);
}

.tool-footer {
    text-align: center;
    color: var(--muted);
    font-size: 14px;
    padding: 24px 0;
}

/* ========== 动画 ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

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

/* ========== 移动端适配 ========== */
@media (max-width: 991.98px) {
    .app-header {
        height: 54px;
        padding: 0 12px;
    }

    .app-header .title {
        font-size: 18px;
        letter-spacing: 1px;
    }

    .nav-toggle {
        display: flex;
    }

    .logout-text {
        display: none;
    }

    .logout-btn {
        width: 36px;
        padding: 0;
        justify-content: center;
        border: none;
        background: transparent;
    }

    nav.nav {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        z-index: 200;
        width: 260px;
        max-width: 82vw;
        border-radius: 0 14px 14px 0;
        padding: 18px 12px;
        overflow-y: auto;
        transform: translateX(-105%);
    }

    body.nav-open nav.nav {
        transform: translateX(0);
        box-shadow: 0 0 40px rgba(15, 23, 42, 0.35);
    }

    body.nav-open .drawer-mask {
        display: block;
    }

    body.nav-open {
        overflow: hidden;
    }

    .container {
        display: block;
        padding: 12px;
    }

    .mainbox {
        width: 100%;
    }

    .mainbox .title {
        font-size: 20px;
        margin: 4px 0 14px;
    }

    .filter-card {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .filter-card > span {
        white-space: normal;
    }

    .u-w-xs,
    .u-w-sm,
    .u-w-md,
    .u-w-80,
    .filter-card .el-input,
    .filter-card .el-select,
    .filter-card .el-date-editor {
        width: 100% !important;
    }

    .u-w-lg {
        width: 100%;
    }

    /* 表单标签上置 */
    .el-form-item__label {
        display: block;
        width: auto !important;
        text-align: left;
        line-height: 1.4;
        padding: 0 0 6px;
    }

    .el-form-item__content {
        margin-left: 0 !important;
    }

    .el-form-item {
        margin-bottom: 16px;
    }

    .el-date-editor--daterange,
    .el-date-editor--date,
    .el-date-editor--datetime {
        width: 100% !important;
        max-width: 100%;
    }

    .el-date-editor--daterange .el-range-input {
        font-size: 15px;
    }

    .el-col-17,
    .el-col-16,
    .el-col-18,
    .el-col-12,
    .el-col-8,
    .el-col-6 {
        width: 100% !important;
        max-width: 100%;
    }

    /* 表格隐藏，卡片显示 */
    .desktop-table {
        display: none;
    }

    .mobile-cards {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .pager-bar {
        padding: 12px 0;
    }

    .el-pagination {
        flex-wrap: wrap;
        justify-content: center;
    }

    .lock-block,
    .quick-day {
        display: block;
        margin-left: 0;
        margin-top: 8px;
    }

    .img-preview {
        display: block;
        width: 100%;
    }

    .img-tools {
        display: block;
        margin-left: 0;
    }

    .back-top {
        right: 14px;
        bottom: 18px;
        width: 40px;
        height: 40px;
    }

    .tool-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 12px;
    }

    .login-card {
        padding: 28px 22px 22px;
    }
}


/* ========== 全局字号提升（Element UI 覆盖） ========== */
.el-form-item__label { font-size: 16px; }
.el-link { font-size: 16px; }
.el-radio__label,
.el-checkbox__label { font-size: 16px; }
.el-pagination { font-size: 15px; }
.el-select-dropdown__item { font-size: 16px; }
.el-button--small,
.el-button--mini { font-size: 14px; }
.el-message { font-size: 16px; }
.el-message-box { font-size: 16px; }
.el-message-box__title { font-size: 18px; }
.el-message-box__content { font-size: 16px; }
.el-form-item__error { font-size: 14px; }

/* 减弱动效偏好 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation: none !important;
        transition: none !important;
    }

    html {
        scroll-behavior: auto;
    }
}