/* HOLLO 后台样式（Django Admin 风格：顶部条 + 侧边菜单 + 内容区） */
:root {
    --adm-primary: #002b55;
    --adm-accent: #3ecb0b;
    --adm-danger: #c0392b;
    --adm-bg: #f4f6f9;
    --adm-line: #e3e8ef;
    --adm-muted: #66727f;
    --adm-sidebar: 210px;
}
* { box-sizing: border-box; }
body.adm { margin: 0; font-family: "PingFang SC","Microsoft YaHei",sans-serif; background: var(--adm-bg); color: #222b33; font-size: 14px; line-height: 1.6; }
a { color: var(--adm-primary); text-decoration: none; }

/* 顶栏 */
.adm-topbar { height: 52px; background: var(--adm-primary); color: #fff; display: flex; align-items: center; padding: 0 20px; gap: 16px; position: sticky; top: 0; z-index: 20; }
.adm-topbar .brand { font-weight: 800; font-size: 17px; letter-spacing: .5px; }
.adm-topbar .spacer { flex: 1; }
.adm-topbar a { color: #cfe0f2; }
.adm-topbar a:hover { color: #fff; }

/* 布局 */
.adm-body { display: flex; min-height: calc(100vh - 52px); }
.adm-sidebar { width: var(--adm-sidebar); background: #fff; border-right: 1px solid var(--adm-line); padding: 16px 0; flex: none; }
.adm-sidebar a { display: block; padding: 11px 22px; color: #35414f; font-weight: 500; border-left: 3px solid transparent; }
.adm-sidebar a:hover { background: #f0f4f8; }
.adm-sidebar a.is-active { background: var(--adm-primary-050, #eaf1f8); color: var(--adm-primary); border-left-color: var(--adm-accent); font-weight: 700; }
.adm-main { flex: 1; padding: 24px 28px; min-width: 0; }
.adm-crumb { color: var(--adm-muted); margin-bottom: 16px; font-size: 13px; }
.adm-title { font-size: 22px; color: var(--adm-primary); margin: 0 0 18px; }

/* flash */
.adm-flash { padding: 11px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.adm-flash.success { background: #e6f7e4; color: #256b18; border: 1px solid #b8ecb0; }
.adm-flash.error { background: #fdecea; color: #a93226; border: 1px solid #f6c9c3; }

/* 工具条 */
.adm-toolbar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.adm-toolbar form { display: flex; gap: 8px; }
.adm-toolbar input[type=text] { padding: 8px 12px; border: 1px solid var(--adm-line); border-radius: 7px; }

/* 按钮 */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 7px; border: 1px solid transparent; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; transition: .15s; line-height: 1.4; }
.btn-primary { background: var(--adm-primary); color: #fff; }
.btn-primary:hover { background: #013a70; }
.btn-accent { background: var(--adm-accent); color: #fff; }
.btn-accent:hover { background: #34b109; }
.btn-danger { background: var(--adm-danger); color: #fff; }
.btn-ghost { background: #fff; border-color: var(--adm-line); color: #35414f; }
.btn-ghost:hover { border-color: var(--adm-primary); color: var(--adm-primary); }
.btn-sm { padding: 5px 11px; font-size: 13px; }

/* 表格 */
.adm-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: 0 2px 10px rgba(0,43,85,.05); }
.adm-table th, .adm-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--adm-line); }
.adm-table th { background: #f0f4f8; color: var(--adm-primary); font-weight: 700; font-size: 13px; }
.adm-table tr:hover td { background: #fafcfe; }
.adm-table .thumb { width: 52px; height: 36px; object-fit: cover; border-radius: 5px; background: #eef2f6; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; white-space: nowrap; }
.badge-on { background: #e6f7e4; color: #256b18; }
.badge-off { background: #f0f1f3; color: #8a94a0; }
.row-actions { display: flex; gap: 6px; flex-wrap: nowrap; }
.row-actions .btn { white-space: nowrap; }
.form-inline { display: inline; }

/* 表单 */
.adm-form { background: #fff; border-radius: 10px; padding: 22px 24px; box-shadow: 0 2px 10px rgba(0,43,85,.05); }
.fset { border: 1px solid var(--adm-line); border-radius: 8px; padding: 16px 18px 4px; margin-bottom: 20px; }
.fset > legend { padding: 0 8px; font-weight: 700; color: var(--adm-primary); font-size: 15px; }
.fld { margin-bottom: 16px; }
.fld > label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 13px; }
.fld .hint { color: var(--adm-muted); font-weight: 400; font-size: 12px; margin-left: 6px; }
.inp, .ta { width: 100%; padding: 9px 12px; border: 1px solid var(--adm-line); border-radius: 7px; font-size: 14px; font-family: inherit; }
.inp:focus, .ta:focus { outline: none; border-color: var(--adm-primary); }
.ta { min-height: 120px; resize: vertical; }
.ta.code { font-family: ui-monospace, Consolas, monospace; min-height: 360px; font-size: 13px; }
.json-status { font-size: 13px; font-weight: 600; margin-bottom: 6px; min-height: 18px; }
.json-status.ok { color: #256b18; }
.json-status.bad { color: #c0392b; }

/* 可视化区块编辑器 */
.b-host { margin-bottom: 12px; }
.b-row { display: grid; grid-template-columns: 110px 1fr; gap: 10px; align-items: start; margin-bottom: 10px; }
.b-label { font-size: 13px; font-weight: 600; color: #35414f; padding-top: 7px; }
.b-ctl { min-width: 0; }
.b-bi { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.b-bi-col { min-width: 0; }
.b-bi-tag { display: inline-block; font-size: 11px; font-weight: 700; color: #66727f; margin-bottom: 3px; }
.b-group { border: 1px solid var(--adm-line); border-radius: 8px; padding: 12px; background: #fafcfe; }
.b-list { display: flex; flex-direction: column; gap: 12px; margin-bottom: 8px; }
.b-card { border: 1px solid var(--adm-line); border-radius: 8px; background: #fff; overflow: hidden; }
.b-card-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; background: #f0f4f8; }
.b-card-title { font-size: 13px; font-weight: 700; color: var(--adm-primary); }
.b-card-body { padding: 12px; }
.b-ta { min-height: 70px; resize: vertical; }
.chk-box { width: 18px; height: 18px; margin-top: 6px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; }
.chk { display: inline-flex; align-items: center; gap: 8px; }
.form-foot { display: flex; gap: 12px; margin-top: 8px; }

/* 双语 Tab */
.lang-tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.lang-tabs button { padding: 7px 18px; border: 1px solid var(--adm-line); background: #fff; border-radius: 7px 7px 0 0; cursor: pointer; font-weight: 600; color: var(--adm-muted); }
.lang-tabs button.is-active { color: var(--adm-primary); border-color: var(--adm-primary); border-bottom-color: #fff; }
.pane { display: none; }
.pane.is-active { display: block; }

/* 上传预览 */
.upload-box { display: flex; align-items: center; gap: 12px; }
.upload-prev { width: 74px; height: 52px; object-fit: cover; border-radius: 6px; border: 1px solid var(--adm-line); background: #eef2f6; }

/* 图集 */
.gallery-list { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 10px; }
.gallery-list:empty { margin-bottom: 0; }
.up-thumb { position: relative; width: 92px; height: 68px; }
.up-thumb img { width: 100%; height: 100%; object-fit: cover; border-radius: 6px; border: 1px solid var(--adm-line); background: #eef2f6; }
.up-thumb button { position: absolute; top: -8px; right: -8px; width: 22px; height: 22px; border: 0; border-radius: 50%; background: var(--adm-danger); color: #fff; cursor: pointer; line-height: 1; font-size: 14px; }

/* 富文本工具条 */
.rt-toolbar { display: flex; flex-wrap: wrap; gap: 4px; padding: 6px; border: 1px solid var(--adm-line); border-bottom: 0; border-radius: 7px 7px 0 0; background: #f7f9fb; }
.rt-toolbar button { border: 1px solid var(--adm-line); background: #fff; border-radius: 5px; padding: 4px 9px; cursor: pointer; font-size: 13px; }
.rt-toolbar button:hover { border-color: var(--adm-primary); }
.rt-editor { border: 1px solid var(--adm-line); border-radius: 0 0 7px 7px; min-height: 200px; padding: 12px 14px; background: #fff; overflow: auto; }
.rt-editor:focus { outline: none; border-color: var(--adm-primary); }

/* 卡片统计 */
.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: 10px; padding: 20px; box-shadow: 0 2px 10px rgba(0,43,85,.05); }
.stat-card .n { font-size: 30px; font-weight: 800; color: var(--adm-primary); }
.stat-card .l { color: var(--adm-muted); }

/* 分页 */
.adm-pager { display: flex; gap: 8px; align-items: center; justify-content: center; margin-top: 20px; }
.adm-pager a, .adm-pager span { padding: 6px 12px; border: 1px solid var(--adm-line); border-radius: 6px; background: #fff; }
.adm-pager .is-active { background: var(--adm-primary); color: #fff; border-color: var(--adm-primary); }

@media (max-width: 900px) {
    .adm-sidebar { position: fixed; left: 0; top: 52px; bottom: 0; transform: translateX(-100%); transition: .25s; z-index: 15; }
    .adm-sidebar.is-open { transform: none; box-shadow: var(--adm-shadow, 0 8px 28px rgba(0,0,0,.2)); }
    .stat-cards { grid-template-columns: repeat(2, 1fr); }
    .grid2 { grid-template-columns: 1fr; }
    .adm-menu-toggle { display: inline-flex !important; }
}
.adm-menu-toggle { display: none; background: none; border: 0; color: #fff; font-size: 22px; cursor: pointer; }