:root {
  --bg: #f4f6fa; --panel: #ffffff; --line: #e3e8f0; --text: #1f2733; --muted: #7b8698;
  --primary: #1f6feb; --primary-soft: #eaf2ff; --green: #1a9f5b; --amber: #c98a00; --red: #d64545;
  --sidebar: #101828; --sidebar-text: #cdd6e4;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); }
body { font-family: "Microsoft YaHei", "PingFang SC", -apple-system, "Segoe UI", sans-serif; font-size: 13px; }
h1, h2, h3 { margin: 0; }
a { text-decoration: none; }
/* 登录 */
.login-mask { position: fixed; inset: 0; background: linear-gradient(135deg, #0f172a, #1e2a44); display: flex; align-items: center; justify-content: center; z-index: 100; }
.login-card { width: min(420px, 92vw); background: #fff; border-radius: 16px; padding: 28px; box-shadow: 0 24px 60px rgba(0,0,0,.35); }
.login-brand { display: flex; gap: 12px; align-items: center; margin-bottom: 22px; }
.login-brand .logo { font-size: 32px; }
.login-brand h1 { font-size: 19px; }
.login-brand p { margin: 2px 0 0; color: var(--muted); font-size: 12px; }
.login-form { display: grid; gap: 14px; }
.login-form label { display: grid; gap: 6px; font-size: 12px; color: var(--muted); }
.login-form input { font: inherit; padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--text); }
.login-form input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(31,111,235,.12); }
.login-btn { padding: 11px; font-weight: 600; }
.login-hint { color: var(--muted); font-size: 12px; margin: 2px 0 0; line-height: 1.6; }
.login-err { color: var(--red); font-size: 12px; min-height: 16px; }
/* 布局 */
.app { display: flex; min-height: 100vh; }
.sidebar { width: 218px; flex: 0 0 218px; background: var(--sidebar); color: var(--sidebar-text); display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 10px; align-items: center; padding: 18px 16px; border-bottom: 1px solid #1f2a3a; }
.brand .logo { font-size: 26px; }
.brand h1 { font-size: 15px; color: #fff; }
.brand p { margin: 2px 0 0; color: #8194ad; font-size: 11px; }
nav { padding: 10px 8px; display: grid; gap: 2px; overflow: auto; }
nav a { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 8px; color: var(--sidebar-text); font-size: 13px; }
nav a span { width: 18px; text-align: center; }
nav a:hover { background: #1b2536; color: #fff; }
nav a.active { background: var(--primary); color: #fff; }
.side-foot { margin-top: auto; padding: 14px 16px; border-top: 1px solid #1f2a3a; display: grid; gap: 8px; font-size: 11px; }
.side-foot .mode { color: #8fd0a8; }
.side-foot a { color: #7fa6e8; }
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: 16px; padding: 14px 24px; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.topbar h2 { font-size: 17px; }
.top-actions { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.status { color: var(--muted); font-size: 12px; white-space: nowrap; }
.user-chip { font-size: 12px; color: #445; background: #f2f5fa; border: 1px solid var(--line); padding: 4px 10px; border-radius: 999px; }
.view { padding: 20px 24px 60px; display: grid; gap: 16px; align-content: start; }
/* 通用 */
.btn { border: 1px solid var(--line); background: #fff; color: var(--text); border-radius: 8px; padding: 7px 14px; font: inherit; cursor: pointer; }
.btn:hover { border-color: #c6d2e4; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--red); border-color: #f0c9c9; background: #fff7f7; }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.card .label { color: var(--muted); font-size: 12px; }
.card .value { font-size: 24px; font-weight: 700; margin-top: 6px; letter-spacing: .5px; }
.card .sub { color: var(--muted); font-size: 11px; margin-top: 4px; }
.card .value.green { color: var(--green); }
.card .value.amber { color: var(--amber); }
.card .value.red { color: var(--red); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 16px; }
.panel-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.panel-head h3 { font-size: 14px; }
.panel-head .hint { color: var(--muted); font-size: 12px; }
.panel-head .right { margin-left: auto; display: flex; gap: 8px; }
.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 16px; }
.chart { display: flex; align-items: flex-end; gap: 6px; height: 160px; padding-top: 10px; }
.chart .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; gap: 6px; height: 100%; }
.chart .bar .fill { width: 100%; background: linear-gradient(180deg, #7fb1ff, var(--primary)); border-radius: 4px 4px 2px 2px; min-height: 2px; }
.chart .bar .lbl { font-size: 10px; color: var(--muted); white-space: nowrap; }
.chart .bar .val { font-size: 10px; color: var(--muted); }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 10px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th { background: #f8fafd; color: var(--muted); font-weight: 600; font-size: 12px; }
tbody tr:hover { background: #fbfcff; }
td.wrap { white-space: normal; max-width: 320px; }
.empty { text-align: center; color: var(--muted); padding: 26px; }
.badge { padding: 2px 9px; border-radius: 999px; font-size: 11px; font-weight: 600; background: #eef2f8; color: #55607a; }
.badge.paid { background: #e8f7ee; color: var(--green); }
.badge.shipped { background: #eaf2ff; color: var(--primary); }
.badge.completed { background: #eef7f1; color: #1a7f4b; }
.badge.pending { background: #fff6e5; color: var(--amber); }
.badge.refunded { background: #fdeaea; color: var(--red); }
.badge.cancelled { background: #f1f2f5; color: #7b8698; }
.badge.listed { background: #e8f7ee; color: var(--green); }
.badge.draft { background: #fff6e5; color: var(--amber); }
.badge.archived { background: #eef2f8; color: #7b8698; }
.badge.owner { background: #eaf2ff; color: var(--primary); }
.badge.operator { background: #eef2f8; color: #55607a; }
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.toolbar input, .toolbar select, .form-field input, .form-field select, .form-field textarea { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; background: #fff; color: var(--text); }
.toolbar input[type="text"] { min-width: 200px; }
.toolbar input[type="date"] { width: 140px; }
.toolbar .right { margin-left: auto; display: flex; gap: 8px; flex-wrap: wrap; }
.actions-cell { display: flex; gap: 6px; flex-wrap: wrap; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-field { display: grid; gap: 5px; font-size: 12px; color: var(--muted); }
.form-field.full { grid-column: 1 / -1; }
.form-field textarea { min-height: 74px; resize: vertical; }
.form-field input, .form-field select, .form-field textarea { color: var(--text); }
.form-section { grid-column: 1 / -1; font-size: 12px; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 10px; margin-top: 2px; }
.modal-mask { position: fixed; inset: 0; background: rgba(16, 24, 40, .45); display: flex; align-items: center; justify-content: center; z-index: 40; }
.modal { width: min(760px, 94vw); max-height: 88vh; overflow: auto; background: #fff; border-radius: 14px; }
.modal-head { display: flex; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: #fff; }
.modal-head h3 { font-size: 15px; }
.modal-head .x { margin-left: auto; border: none; background: transparent; font-size: 16px; cursor: pointer; color: var(--muted); }
.modal-body { padding: 18px 20px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 14px 20px; border-top: 1px solid var(--line); position: sticky; bottom: 0; background: #fff; }
.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(16px); background: #1f2733; color: #fff; padding: 10px 18px; border-radius: 10px; opacity: 0; pointer-events: none; transition: .2s; z-index: 60; font-size: 13px; max-width: 80vw; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.err { background: #b23c3c; }
.toast.ok { background: #1a7f4b; }
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.media-card { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #fff; }
.media-card video, .media-card img { width: 100%; display: block; background: #000; max-height: 190px; object-fit: cover; }
.media-card .info { padding: 9px 11px; display: grid; gap: 4px; }
.media-card .name { font-size: 12px; word-break: break-all; }
.media-card .meta { font-size: 11px; color: var(--muted); }
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.quick-form { display: grid; grid-template-columns: 1.2fr 1.8fr auto auto; gap: 10px; align-items: center; }
.ai-list { display: grid; gap: 8px; }
.ai-item { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.ai-item .right { margin-left: auto; display: flex; gap: 6px; }
.ai-item .meta { color: var(--muted); font-size: 12px; }
.link-btn { background: none; border: none; color: var(--primary); cursor: pointer; padding: 0; font: inherit; }
.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 14px; }
.tabs button { border: none; background: none; padding: 9px 14px; color: var(--muted); cursor: pointer; font: inherit; border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 600; }
.item-row { display: grid; grid-template-columns: 2fr .7fr .9fr auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.item-row select, .item-row input { font: inherit; padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; width: 100%; }
.mini-note { color: var(--muted); font-size: 12px; }
.kv { display: grid; grid-template-columns: 120px 1fr; gap: 8px; font-size: 13px; }
.kv .k { color: var(--muted); }
.detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 1100px) {
  .grid-2 { grid-template-columns: 1fr; }
  .quick-form { grid-template-columns: 1fr; }
  .settings-form { grid-template-columns: 1fr 1fr !important; }
  .detail-grid { grid-template-columns: 1fr; }
  .sidebar { width: 180px; flex-basis: 180px; }
}

/* v3 追加 */
.alert-bar { background: #fff8e6; border: 1px solid #f2dfa8; color: #7a5a00; border-radius: 10px; padding: 10px 14px; font-size: 13px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.alert-bar a { color: #9a6b00; font-weight: 600; }
.pager { display: flex; align-items: center; gap: 10px; justify-content: flex-end; padding-top: 10px; color: var(--muted); }
.thumb { width: 40px; height: 40px; border-radius: 6px; object-fit: cover; border: 1px solid var(--line); display: inline-block; }
.thumb.placeholder { display: inline-flex; align-items: center; justify-content: center; font-size: 10px; color: var(--muted); background: #f6f8fb; }
.image-strip { display: flex; gap: 10px; flex-wrap: wrap; }
.image-tile { width: 120px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; background: #fafbfe; }
.image-tile.main { border-color: var(--primary); box-shadow: 0 0 0 2px rgba(31,111,235,.15); }
.image-tile img { width: 100%; height: 90px; object-fit: cover; display: block; }
.image-tile .image-actions { display: flex; gap: 4px; padding: 5px; }
.image-tile .image-actions .btn { padding: 2px 6px; font-size: 10px; }

/* v4 追加：通知 / 移动端 / 变体 */
.bell-wrap { position: relative; }
.bell { padding: 6px 10px; position: relative; }
.bell-count { position: absolute; top: 0; right: 2px; background: var(--red); color: #fff; border-radius: 999px; font-size: 10px; padding: 0 4px; line-height: 14px; }
.bell-panel { display: none; position: absolute; right: 0; top: 38px; width: 320px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 12px 30px rgba(16,24,40,.14); z-index: 30; overflow: hidden; }
.bell-panel.open { display: block; }
.bell-item { display: block; padding: 10px 12px; border-bottom: 1px solid var(--line); color: var(--text); }
.bell-item:hover { background: #f8fafd; }
.bell-item .title { font-size: 12px; font-weight: 600; }
.bell-item .msg { font-size: 12px; color: var(--muted); margin-top: 2px; }
.bell-item .title.warn { color: var(--amber); }
.bell-item .title.danger { color: var(--red); }
.bell-empty { padding: 18px; text-align: center; color: var(--muted); font-size: 12px; }
.nav-toggle { display: none !important; }
.item-row { grid-template-columns: 1.5fr 1.2fr .55fr .8fr auto; }
.variant-row { display: grid; grid-template-columns: 1.4fr 1fr .8fr .7fr auto; gap: 8px; align-items: center; margin-bottom: 8px; }
.variant-row input { font: inherit; padding: 7px 9px; border: 1px solid var(--line); border-radius: 8px; width: 100%; }
.variant-head { display: grid; grid-template-columns: 1.4fr 1fr .8fr .7fr auto; gap: 8px; font-size: 11px; color: var(--muted); margin-bottom: 4px; }
@media (max-width: 860px) {
  .nav-toggle { display: inline-block !important; }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 50; transform: translateX(-100%); transition: transform .2s; width: 220px; }
  .sidebar.open { transform: translateX(0); }
  .main { width: 100%; }
  .topbar { padding: 10px 14px; gap: 10px; }
  .status { display: none; }
  .view { padding: 14px; }
  .form-grid { grid-template-columns: 1fr; }
  .item-row, .variant-row, .variant-head { grid-template-columns: 1fr 1fr; }
  .quick-form { grid-template-columns: 1fr; }
  .settings-form { grid-template-columns: 1fr !important; }
  .bell-panel { width: 80vw; right: -60px; }
}

/* 渠道对接 */
.integration-card { border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin-bottom: 12px; background: #fff; }
.integration-card .int-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.integration-card .int-head strong { font-size: 14px; }
.integration-card .form-grid { margin-top: 8px; }

/* API 密钥 */
.check-line { display: block; font-size: 12px; padding: 4px 0; color: var(--text); }
.check-line input { margin-right: 6px; }

.login-lang { position: absolute; top: 12px; right: 12px; padding: 3px 9px; font-size: 11px; }
.login-card { position: relative; }