/* 资源库门户 CRM 布局：左侧菜单 + 右侧内容 */

/* frontend.css 为固定导航预留 body padding-top，本布局无顶栏导航，需清零 */
body.zyk-crm-body-root {
    margin: 0;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
}

/* ---------- 登录页：无侧栏，内容居中 ---------- */
/* 背景图：可替换为同目录下 zyk-login-bg.jpg / .png（需在下方 url 中改扩展名） */
body.zyk-login-page {
    margin: 0;
    min-height: 100vh;
    background-color: #dce6f0;
    background-image:url(../img/bg.jpg);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

@media (max-width: 768px) {
    body.zyk-login-page {
        background-attachment: scroll;
    }
}

.zyk-login-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px 16px;
    box-sizing: border-box;
}

.zyk-login-inner {
    width: 100%;
    max-width: 420px;
}

.zyk-login-brand {
    text-align: center;
    margin-bottom: 28px;
    color: #fff;
}

.zyk-login-brand strong {
    display: block;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.45;
}

.zyk-login-brand span {
    display: block;
    margin-top: 8px;
    font-size: 14px;
    color: #fff;
    font-weight: 400;
}

.zyk-login-page .zyk-crm-panel {
    max-width: none;
    margin: 0 auto;
    box-shadow: 0 8px 32px rgba(44, 62, 80, 0.12);
}

.zyk-crm-wrap {
    display: flex;
    min-height: 100vh;
    background: #f3f5f9;
}

.zyk-crm-sidebar {
    width: 220px;
    flex-shrink: 0;
    background: #2c3e50;
    color: #ecf0f1;
    display: flex;
    flex-direction: column;
    box-shadow: 2px 0 8px rgba(0, 0, 0, 0.08);
}

.zyk-crm-brand {
    padding: 18px 16px;
    font-size: 15px;
    font-weight: 600;
    line-height: 1.4;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(0, 0, 0, 0.15);
}

.zyk-crm-brand small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    font-weight: 400;
    opacity: 0.75;
}

.zyk-crm-menu {
    list-style: none;
    margin: 0;
    padding: 12px 0;
    flex: 1;
    overflow-y: auto;
}

.zyk-crm-menu li {
    margin: 0;
}

.zyk-crm-menu li > a,
.zyk-crm-menu li > span {
    display: flex;
    align-items: center;
    padding: 11px 18px;
    color: #bdc3c7;
    text-decoration: none;
    font-size: 14px;
    border-left: 3px solid transparent;
    transition: background 0.15s, color 0.15s;
}

.zyk-crm-menu li > a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
}

.zyk-crm-menu li.active > a {
    background: rgba(52, 152, 219, 0.2);
    color: #fff;
    border-left-color: #3498db;
}

.zyk-crm-menu li.locked > span {
    cursor: not-allowed;
    opacity: 0.45;
}

.zyk-crm-menu li .fa {
    width: 22px;
    margin-right: 8px;
    text-align: center;
}

.zyk-crm-badge {
    margin-left: auto;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 3px;
    background: #e74c3c;
    color: #fff;
}

.zyk-crm-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.zyk-crm-topbar {
    height: 52px;
    background: #fff;
    border-bottom: 1px solid #e1e4e8;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 24px;
    flex-shrink: 0;
}

.zyk-crm-userinfo {
    font-size: 14px;
    color: #555;
}

.zyk-crm-userinfo .role {
    color: #3498db;
    margin-left: 6px;
}

.zyk-crm-body {
    padding: 24px;
    flex: 1;
}

.zyk-crm-panel {
    background: #fff;
    border-radius: 6px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
    padding: 28px 32px;
    max-width: 520px;
}

.zyk-crm-panel h2 {
    margin: 0 0 8px;
    font-size: 20px;
    color: #2c3e50;
}

.zyk-crm-panel .hint {
    color: #7f8c8d;
    font-size: 13px;
    margin-bottom: 22px;
}

.zyk-login-foot {
    margin-top: 18px;
    font-size: 12px;
    color: #95a5a6;
}

.zyk-stub-note {
    background: #fff;
    border-radius: 6px;
    padding: 32px;
    border: 1px dashed #cfd8dc;
    color: #607d8b;
}

.zyk-crm-panel-wide {
    max-width: none;
    width: 100%;
}

.zyk-acc-toolbar {
    margin-bottom: 8px;
}

.zyk-acc-filter {
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}

.zyk-acc-table {
    background: #fff;
    font-size: 13px;
}

.zyk-acc-form .row {
    margin-bottom: 12px;
}

.zyk-batch-textarea {
    font-family: Consolas, monospace;
    font-size: 13px;
}

.zyk-log-content {
    max-width: 420px;
    word-break: break-all;
    font-size: 12px;
}

/* 视频资源库 */
.zyk-video-page .zyk-video-grid {
    margin-left: -8px;
    margin-right: -8px;
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
}

.zyk-video-card {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
    transition: box-shadow 0.2s;
}

.zyk-video-card:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.zyk-video-card-cover {
    display: block;
    position: relative;
    padding-top: 56.25%;
    background: #1a252f;
    overflow: hidden;
}

/* 文档/资料等列表：直接子级 img 无 .zyk-video-poster-fg 时也要铺满 16:9，与视频列表封面高度一致 */
.zyk-video-card-cover > img {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 1;
    pointer-events: none;
}

/* 列表缩略图与详情页封面同源（.zyk-video-poster-fg），此处铺满卡片 16:9 区域（覆盖详情里为控件留底的 bottom:64px） */
.zyk-video-card-cover .zyk-video-poster-fg {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    z-index: 1;
    pointer-events: none;
}

/* 无服务端封面时：由脚本从视频截首帧填入 .zyk-video-card-thumb-img */
.zyk-video-card-cover .zyk-video-card-thumb-wrap {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    display: block;
    overflow: hidden;
}

.zyk-video-card-placeholder {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255, 255, 255, 0.35);
    font-size: 48px;
}

.zyk-video-duration {
    position: absolute;
    right: 8px;
    bottom: 8px;
    z-index: 2;
    padding: 2px 8px;
    font-size: 12px;
    color: #fff;
    background: rgba(0, 0, 0, 0.65);
    border-radius: 4px;
}

.zyk-video-card-body {
    padding: 12px 14px 14px;
}

.zyk-video-card-title {
    margin: 0 0 6px;
    font-size: 15px;
    line-height: 1.35;
    font-weight: 600;
}

.zyk-video-card-title a {
    color: #2c3e50;
}

.zyk-video-card-title a:hover {
    color: #3498db;
}

.zyk-video-card-intro {
    font-size: 13px;
    color: #666;
    margin: 0;
    line-height: 1.5;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
}

.zyk-video-card-meta {
    margin-top: 8px;
    font-size: 12px;
}

.zyk-video-detail .zyk-video-back {
    margin: 0 0 16px;
    font-size: 14px;
}

.zyk-video-detail-title {
    margin: 0 0 12px;
    font-size: 22px;
    color: #2c3e50;
}

.zyk-video-detail-intro {
    margin-bottom: 20px;
    line-height: 1.6;
}

.zyk-video-player-wrap {
    background: #000;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 20px;
}

/* 详情页：用叠层 img 作封面，避免原生 video poster 被解码层盖住闪黑 */
.zyk-video-player-stack {
    position: relative;
}

/* 不铺满高度，底部留出一条给原生播放/进度条，否则叠层会盖住控件 */
.zyk-video-poster-fg {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 64px;
    width: 100%;
    height: auto;
    max-height: none;
    object-fit: cover;
    object-position: center top;
    z-index: 2;
    pointer-events: none;
    transition: opacity 0.25s ease, visibility 0.25s ease;
}

.zyk-video-poster-fg.zyk-video-poster-fg--hide {
    opacity: 0;
    visibility: hidden;
}

/* 详情页：中间大播放键（开始播放后与封面一起隐藏） */
.zyk-video-center-play {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    z-index: 4;
    width: 72px;
    height: 72px;
    padding: 0;
    margin: 0;
    border: none;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 28px;
    line-height: 1;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
    transition: background 0.2s ease, opacity 0.25s ease, visibility 0.25s ease, transform 0.2s ease;
}

.zyk-video-center-play .fa-play {
    margin-left: 4px; /* 三角形视觉居中 */
}

.zyk-video-center-play:hover,
.zyk-video-center-play:focus {
    background: rgba(52, 152, 219, 0.92);
    color: #fff;
    outline: none;
}

.zyk-video-center-play:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.9);
    outline-offset: 3px;
}

.zyk-video-center-play:active {
    transform: translate(-50%, -50%) scale(0.96);
}

.zyk-video-center-play.zyk-video-center-play--hide {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.zyk-video-player {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    max-height: 72vh;
    margin: 0 auto;
    -webkit-user-drag: none;
    user-select: none;
}

.zyk-video-rich {
    font-size: 15px;
    line-height: 1.75;
    color: #444;
}

.zyk-video-rich img {
    max-width: 100%;
    height: auto;
}

.zyk-video-rich p {
    margin: 0 0 12px;
}

.zyk-video-upload-page .zyk-video-upload-form .form-group {
    margin-bottom: 18px;
}

.zyk-video-upload-page .hint code {
    font-size: 12px;
    background: #f5f5f5;
    padding: 1px 4px;
    border-radius: 3px;
}

/* 学习文档 */
.zyk-video-card-placeholder.zyk-doc-card-placeholder {
    flex-direction: column;
    gap: 8px;
}

.zyk-doc-card-placeholder .zyk-doc-ext {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 2px 8px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(0, 0, 0, 0.45);
    border-radius: 4px;
    text-transform: uppercase;
}

/* 学习文档列表：未能从文档内提取图且无详情首图时，仅占位灰块（无扩展名图标） */
.zyk-document-page .zyk-doc-list-no-thumb {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(150deg, #e8ecf0 0%, #dfe4ea 55%, #eef2f6 100%);
}

.zyk-document-toolbar {
    margin-bottom: 12px;
}

.zyk-document-preview-wrap {
    background: #f0f2f5;
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 20px;
    min-height: 420px;
}

.zyk-document-frame {
    display: block;
    width: 100%;
    min-height: 72vh;
    border: 0;
    background: #fff;
}

.zyk-document-preview-tip {
    margin-bottom: 12px;
}

/* 资料下载 */
.zyk-material-table .zyk-material-col-intro {
    max-width: 320px;
    vertical-align: middle;
}

.zyk-material-table .zyk-material-intro-text {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.45;
    word-break: break-word;
}

.zyk-material-download-bar {
    margin-bottom: 24px;
    padding: 16px;
    background: #f8f9fa;
    border-radius: 6px;
    border: 1px solid #ecf0f1;
}

.zyk-material-file-meta {
    font-size: 13px;
}

/* 批量导入账号 - 身份示例（白底表格，避免 alert 蓝底导致文字不清） */
.zyk-accounts-batch-examples {
    max-width: 800px;
    margin-top: 12px;
    padding: 14px 16px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.zyk-accounts-batch-examples-title {
    margin: 0 0 12px;
    color: #2c3e50;
    font-size: 14px;
}

.zyk-accounts-batch-examples-table {
    margin-bottom: 0;
    font-size: 13px;
    color: #333;
    background: #fff;
}

.zyk-accounts-batch-examples-table > thead > tr > th {
    background: #f0f2f4;
    color: #2c3e50;
    font-weight: 600;
    border-color: #ddd;
    white-space: nowrap;
}

.zyk-accounts-batch-examples-table > tbody > tr > td {
    color: #333;
    border-color: #ddd;
    vertical-align: middle;
    word-break: break-all;
}

.zyk-accounts-batch-examples-table code {
    color: #a94442;
    background: #fbf4f4;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 12px;
}

.zyk-accounts-batch-examples-foot {
    margin: 12px 0 0;
}