/* ===========================================================
   培森题库 · 工作台
   =========================================================== */
body.app-page { height: 100vh; overflow: hidden; display: flex; flex-direction: column; background: #f6fafb; }

/* ---------- 顶栏 ---------- */
.tb {
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  z-index: 40;
}
.tb .brand { gap: 8px; }
.tb .brand img { height: 28px; }
.tb .brand b { font-size: 15px; letter-spacing: .2px; }

.tb-tabs { display: flex; gap: 2px; margin-left: 10px; background: #f4f9f9; padding: 3px; border-radius: 10px; }
.tb-tabs button {
  height: 30px; padding: 0 14px; border: none; background: transparent; border-radius: 8px;
  font-size: 13.5px; color: var(--ink-2); cursor: pointer; transition: .15s;
}
.tb-tabs button.on { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 1px 3px rgba(19,46,51,.08); }

.tb-search {
  margin-left: auto;
  position: relative;
  width: 300px;
  max-width: 34vw;
}
.tb-search input {
  height: 34px; width: 100%; border-radius: 9px; border: 1px solid var(--line-2);
  background: #f8fbfb; padding: 0 12px 0 34px; font-size: 13.5px; outline: none;
}
.tb-search input:focus { background: #fff; border-color: var(--pri); box-shadow: 0 0 0 3px rgba(16,179,163,.1); }
.tb-search svg { position: absolute; left: 11px; top: 50%; transform: translateY(-50%); width: 15px; height: 15px; color: var(--muted); }

.tb-right { display: flex; align-items: center; gap: 10px; }

.basket-btn {
  position: relative; height: 34px; padding: 0 12px; border-radius: 9px;
  border: 1px solid var(--line-2); background: #fff; cursor: pointer;
  display: flex; align-items: center; gap: 7px; font-size: 13.5px; color: var(--ink-2);
}
.basket-btn:hover { border-color: var(--pri); color: var(--pri-dd); }
.basket-btn .cnt {
  min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--pri);
  color: #fff; font-size: 11px; display: grid; place-items: center; font-weight: 700;
}
.basket-btn .cnt[data-zero="1"] { background: #d7e3e5; }

.user-chip {
  display: flex; align-items: center; gap: 8px; height: 34px; padding: 0 10px 0 4px;
  border-radius: 999px; border: 1px solid var(--line-2); cursor: pointer; background: #fff;
}
.user-chip:hover { border-color: #c9dbde; }
.user-chip .av {
  width: 26px; height: 26px; border-radius: 50%; background: var(--pri-l); color: var(--pri-dd);
  display: grid; place-items: center; font-size: 12px; font-weight: 700;
}
.user-chip .nm { font-size: 13px; max-width: 88px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.menu-pop {
  position: absolute; top: 50px; right: 16px; width: 200px; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--sh-m);
  padding: 6px; z-index: 60; display: none;
}
.menu-pop.show { display: block; }
.menu-pop a, .menu-pop button {
  display: flex; align-items: center; gap: 9px; width: 100%; text-align: left;
  padding: 8px 10px; border-radius: 8px; font-size: 13.5px; color: var(--ink-2);
  border: none; background: transparent; cursor: pointer;
}
.menu-pop a:hover, .menu-pop button:hover { background: #f3f9f9; color: var(--ink); }
.menu-pop .sep { height: 1px; background: var(--line); margin: 5px 4px; }
.menu-pop .meta { padding: 8px 10px 6px; font-size: 11.5px; color: var(--muted); line-height: 1.6; }

/* ---------- 布局 ---------- */
.ws { flex: 1; display: flex; min-height: 0; }

/* ---------- 左侧 ---------- */
.side {
  width: 252px; flex-shrink: 0; background: #fff; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; min-height: 0;
}
.side-head {
  height: 46px; flex-shrink: 0; display: flex; align-items: center; gap: 6px;
  padding: 0 10px 0 14px; border-bottom: 1px solid var(--line);
}
.side-head b { font-size: 13px; letter-spacing: .3px; color: var(--ink-2); font-weight: 600; }
.side-head .grow { flex: 1; }
.icon-btn {
  width: 26px; height: 26px; border-radius: 7px; border: none; background: transparent;
  color: var(--muted); cursor: pointer; display: grid; place-items: center;
}
.icon-btn:hover { background: #eef6f6; color: var(--pri-dd); }
.icon-btn svg { width: 15px; height: 15px; }

.tree { flex: 1; overflow: auto; padding: 8px 8px 20px; }
.tnode {
  display: flex; align-items: center; gap: 6px; height: 32px; padding: 0 6px 0 4px;
  border-radius: 7px; cursor: pointer; font-size: 13.5px; color: var(--ink-2);
  position: relative; user-select: none;
}
.tnode:hover { background: #f2f8f8; }
.tnode.on { background: var(--pri-l); color: var(--pri-dd); font-weight: 600; }
.tnode .arrow {
  width: 16px; height: 16px; display: grid; place-items: center; color: var(--muted);
  flex-shrink: 0; transition: transform .15s;
}
.tnode .arrow svg { width: 11px; height: 11px; }
.tnode .arrow.open { transform: rotate(90deg); }
.tnode .nm { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.tnode .n {
  font-size: 11px; color: var(--muted); background: #f2f7f8; border-radius: 5px;
  padding: 0 5px; min-width: 18px; text-align: center;
}
.tnode.on .n { background: #cdeeea; color: var(--pri-dd); }
.tnode .more { opacity: 0; font-size: 15px; color: var(--muted); padding: 0 2px; }
.tnode:hover .more { opacity: 1; }
.tnode .more:hover { color: var(--ink); }

.side-foot { border-top: 1px solid var(--line); padding: 8px; }
.side-foot a {
  display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px;
  font-size: 13px; color: var(--ink-2);
}
.side-foot a:hover { background: #f2f8f8; }
.side-foot svg { width: 15px; height: 15px; color: var(--muted); }

/* ---------- 主区 ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; min-height: 0; }

.toolbar {
  flex-shrink: 0; padding: 10px 18px; background: #fff; border-bottom: 1px solid var(--line);
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
.sel-mini {
  height: 30px; border-radius: 8px; border: 1px solid var(--line-2); background: #fff;
  font-size: 13px; padding: 0 26px 0 10px; color: var(--ink-2); cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 12 12'%3E%3Cpath d='M2 4.5L6 8l4-3.5' fill='none' stroke='%238298a1' stroke-width='1.8' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 9px center;
}
.toolbar .grow { flex: 1; }
.toolbar .count { font-size: 12.5px; color: var(--muted); }

.qlist { flex: 1; overflow: auto; padding: 14px 18px 30px; }

.qcard {
  background: #fff; border: 1px solid var(--line); border-radius: 13px;
  padding: 14px 16px; margin-bottom: 10px; transition: .16s; position: relative;
}
.qcard:hover { border-color: #d6e9e7; box-shadow: 0 2px 12px rgba(19,46,51,.05); }
.qcard.sel { border-color: var(--pri); box-shadow: 0 0 0 2px rgba(16,179,163,.12); }
.qcard .qh { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.qcard .qno {
  font-size: 11.5px; font-weight: 700; color: var(--muted); font-family: var(--mono);
  min-width: 34px;
}
.qbadge {
  font-size: 11px; font-weight: 600; padding: 1px 7px; border-radius: 5px;
  background: #eef1ff; color: #5b66d6;
}
.qbadge.t-单选题 { background: #e9f4ff; color: #1f6fb8; }
.qbadge.t-多选题 { background: #f0ebff; color: #6a4fb5; }
.qbadge.t-填空题 { background: #fff4e5; color: #a96a12; }
.qbadge.t-判断题 { background: #e9f8f6; color: #0a7a6e; }
.qbadge.t-解答题 { background: #eef1ff; color: #5b66d6; }
.stars { color: #f0b429; font-size: 11.5px; letter-spacing: 1px; }
.qcard .qstem { font-size: 14px; line-height: 1.85; color: #22343b; overflow: hidden; }
.qcard .qstem img.q-img { max-height: 150px; width: auto; border-radius: 6px; margin: 6px 0; border: 1px solid var(--line); }
.qcard .qmeta { margin-top: 8px; display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.qcard .acts {
  position: absolute; right: 10px; top: 10px; display: flex; gap: 2px; opacity: 0; transition: .15s;
  background: #fff;
}
.qcard:hover .acts { opacity: 1; }
.qcard .acts button {
  width: 26px; height: 26px; border-radius: 6px; border: none; background: transparent;
  color: var(--muted); cursor: pointer; display: grid; place-items: center;
}
.qcard .acts button:hover { background: #f0f7f7; color: var(--pri-dd); }
.qcard .acts svg { width: 14px; height: 14px; }
.qcard .pick {
  position: absolute; left: -1px; top: -1px; bottom: -1px; width: 4px; border-radius: 13px 0 0 13px;
  background: var(--pri); opacity: 0; transition: .15s;
}
.qcard.sel .pick { opacity: 1; }
.qselect {
  width: 17px; height: 17px; border: 1.6px solid #cfdcdf; border-radius: 5px; flex-shrink: 0;
  display: grid; place-items: center; cursor: pointer; background: #fff; transition: .15s;
}
.qselect:hover { border-color: var(--pri); }
.qselect.on { background: var(--pri); border-color: var(--pri); }
.qselect.on::after {
  content: ""; width: 9px; height: 5px; border-left: 2px solid #fff; border-bottom: 2px solid #fff;
  transform: rotate(-45deg) translateY(-1px);
}

.pager {
  display: flex; align-items: center; justify-content: center; gap: 6px; padding: 6px 0 0;
  flex-wrap: wrap;
}
.pager button {
  min-width: 30px; height: 30px; border-radius: 7px; border: 1px solid var(--line-2);
  background: #fff; font-size: 13px; color: var(--ink-2); cursor: pointer;
}
.pager button.on { background: var(--pri); border-color: var(--pri); color: #fff; font-weight: 600; }
.pager button:disabled { opacity: .45; cursor: not-allowed; }
.pager span { font-size: 12.5px; color: var(--muted); margin-left: 8px; }

/* ---------- 卷篮（右侧抽屉） ---------- */
.basket {
  width: 0; flex-shrink: 0; background: #fff; border-left: 1px solid var(--line);
  transition: width .2s ease; overflow: hidden; display: flex; flex-direction: column;
}
.basket.open { width: 300px; }
.basket-inner { width: 300px; display: flex; flex-direction: column; height: 100%; }
.basket-head {
  height: 46px; flex-shrink: 0; display: flex; align-items: center; padding: 0 10px 0 14px;
  border-bottom: 1px solid var(--line);
}
.basket-head b { font-size: 13px; font-weight: 600; color: var(--ink-2); }
.basket-head .grow { flex: 1; }
.basket-list { flex: 1; overflow: auto; padding: 8px; }
.basket-item {
  display: flex; gap: 8px; align-items: flex-start; padding: 8px; border-radius: 8px;
  border: 1px solid var(--line); margin-bottom: 6px; background: #fcfefe;
}
.basket-item .idx {
  font-size: 11px; font-family: var(--mono); color: var(--muted); padding-top: 2px; min-width: 16px;
}
.basket-item .tx { flex: 1; font-size: 12.5px; line-height: 1.6; color: var(--ink-2); max-height: 54px; overflow: hidden; }
.basket-item .rm { border: none; background: transparent; color: var(--muted); cursor: pointer; font-size: 15px; line-height: 1; }
.basket-item .rm:hover { color: var(--danger); }
.basket-foot { border-top: 1px solid var(--line); padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.basket-foot .row { display: flex; gap: 8px; }
.basket-foot .row .btn { flex: 1; }

/* ---------- 编辑抽屉 ---------- */
.drawer-mask {
  position: fixed; inset: 0; background: rgba(16,32,38,.28); z-index: 120; display: none;
}
.drawer-mask.show { display: block; }
.drawer {
  position: fixed; top: 0; right: 0; bottom: 0; width: 760px; max-width: 94vw;
  background: #fff; z-index: 130; box-shadow: -18px 0 60px rgba(19,46,51,.16);
  transform: translateX(100%); transition: transform .24s cubic-bezier(.4,0,.2,1);
  display: flex; flex-direction: column;
}
.drawer.show { transform: none; }
.drawer-head {
  height: 54px; flex-shrink: 0; display: flex; align-items: center; gap: 10px;
  padding: 0 14px 0 20px; border-bottom: 1px solid var(--line);
}
.drawer-head b { font-size: 15px; }
.drawer-head .grow { flex: 1; }
.drawer-body { flex: 1; overflow: auto; padding: 18px 20px 40px; }
.drawer-foot {
  flex-shrink: 0; border-top: 1px solid var(--line); padding: 12px 20px;
  display: flex; align-items: center; gap: 10px;
}
.drawer-foot .grow { flex: 1; }

.ed-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.ed-grid .c2 { grid-column: span 2; }
.ed-grid .c3 { grid-column: span 3; }
.ed-grid .c4 { grid-column: span 4; }

.ed-split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.ed-box {
  border: 1px solid var(--line-2); border-radius: 10px; overflow: hidden; display: flex; flex-direction: column;
}
.ed-box .bh {
  height: 32px; display: flex; align-items: center; gap: 8px; padding: 0 10px;
  background: #f8fbfb; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted);
}
.ed-box .bh .grow { flex: 1; }
.ed-box textarea {
  border: none; outline: none; resize: none; padding: 10px 12px; font-size: 13.5px;
  line-height: 1.8; min-height: 148px; font-family: var(--font); color: var(--ink);
}
.ed-preview {
  padding: 10px 12px; font-size: 13.5px; line-height: 1.9; min-height: 148px;
  background: #fcfefe; overflow: auto; max-height: 320px; color: #22343b;
}
.ed-preview .q-img { max-width: 100%; max-height: 180px; border-radius: 6px; border: 1px solid var(--line); margin: 4px 0; }
.math-block { display: block; margin: 6px 0; overflow-x: auto; }
.math-err { color: var(--danger); background: var(--danger-l); padding: 1px 4px; border-radius: 4px; font-size: 12px; }

.insert-bar { display: flex; gap: 6px; flex-wrap: wrap; }
.insert-bar button {
  height: 26px; padding: 0 9px; border-radius: 6px; border: 1px solid var(--line-2);
  background: #fff; font-size: 12px; color: var(--ink-2); cursor: pointer;
  font-family: var(--mono);
}
.insert-bar button:hover { border-color: var(--pri); color: var(--pri-dd); background: var(--pri-l2); }

.opt-row { display: flex; gap: 8px; align-items: center; margin-bottom: 7px; }
.opt-row .lb {
  width: 24px; height: 26px; border-radius: 6px; background: #f2f7f8; color: var(--ink-2);
  display: grid; place-items: center; font-size: 12.5px; font-weight: 600; flex-shrink: 0;
}
.opt-row input {
  flex: 1; height: 34px; border: 1px solid var(--line-2); border-radius: 8px; padding: 0 10px;
  font-size: 13px; outline: none; font-family: var(--font);
}
.opt-row input:focus { border-color: var(--pri); box-shadow: 0 0 0 3px rgba(16,179,163,.1); }
.opt-row .del { border: none; background: transparent; color: var(--muted); cursor: pointer; }
.opt-row .del:hover { color: var(--danger); }

.star-pick { display: flex; gap: 3px; align-items: center; }
.star-pick i {
  font-style: normal; cursor: pointer; color: #e2e9ec; font-size: 17px; line-height: 1; transition: .1s;
}
.star-pick i.on { color: #f0b429; }

/* ---------- 组卷弹窗 ---------- */
.paper-form { display: grid; gap: 14px; }
.paper-form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.seg { display: flex; gap: 4px; background: #f4f9f9; padding: 3px; border-radius: 9px; }
.seg button {
  flex: 1; height: 30px; border: none; background: transparent; border-radius: 7px;
  font-size: 13px; color: var(--ink-2); cursor: pointer;
}
.seg button.on { background: #fff; color: var(--ink); font-weight: 600; box-shadow: 0 1px 3px rgba(19,46,51,.08); }

/* ---------- 试卷列表 ---------- */
.paper-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 12px; }
.paper-card {
  background: #fff; border: 1px solid var(--line); border-radius: 13px; padding: 16px;
  transition: .18s; cursor: pointer; position: relative;
}
.paper-card:hover { border-color: #d6e9e7; box-shadow: var(--sh-m); transform: translateY(-2px); }
.paper-card .t { font-size: 15px; font-weight: 600; margin-bottom: 8px; padding-right: 20px; }
.paper-card .m { font-size: 12.5px; color: var(--muted); display: flex; gap: 12px; }
.paper-card .del {
  position: absolute; right: 8px; top: 8px; border: none; background: transparent; color: var(--muted);
  cursor: pointer; opacity: 0; font-size: 15px;
}
.paper-card:hover .del { opacity: 1; }
.paper-card .del:hover { color: var(--danger); }

/* ---------- 统计条 ---------- */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; padding: 12px 18px 0; }
.stat-mini { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.stat-mini b { display: block; font-size: 21px; color: var(--pri-dd); letter-spacing: -.5px; }
.stat-mini span { font-size: 12px; color: var(--muted); }

/* ---------- 上传进度 ---------- */
.uploading {
  position: fixed; left: 50%; top: 50%; transform: translate(-50%,-50%);
  background: rgba(22,36,44,.9); color: #fff; padding: 12px 20px; border-radius: 10px;
  font-size: 13.5px; z-index: 500; display: none;
}
.uploading.show { display: block; }

@media (max-width: 1100px) {
  .side { width: 210px; }
  .tb-search { width: 180px; }
  .ed-split { grid-template-columns: 1fr; }
}
/* ---------- 移动端专属 ---------- */
.only-mobile { display: none; }

@media (max-width: 820px) {
  .side { display: none; }
  .tb-tabs { display: none; }
  .drawer { width: 100%; }
  .only-mobile { display: inline-block; }
  .tb-search { width: 130px; }
  .tb { gap: 8px; padding: 0 10px; }
  .basket-btn { padding: 0 8px; gap: 4px; font-size: 0; }
  .basket-btn .cnt { font-size: 11px; }
  .user-chip .nm { display: none; }
  .toolbar { padding: 8px 10px; }
}

/* ---------- 表格导入 ---------- */
.ti-body { max-height: 66vh; overflow-y: auto; }
.ti-drop {
  border: 1.5px dashed #c8dcdd; border-radius: 14px; background: #fbfefe;
  padding: 26px 20px; text-align: center; cursor: pointer; transition: .16s;
}
.ti-drop:hover { border-color: var(--pri); background: var(--pri-l2); }
.ti-drop b { display: block; font-size: 14.5px; color: var(--ink); margin-bottom: 5px; }
.ti-drop span { font-size: 12.5px; color: var(--muted); }
.ti-or { display: flex; align-items: center; gap: 10px; margin: 16px 0 10px; color: var(--muted); font-size: 12.5px; }
.ti-or i { flex: 1; height: 1px; background: var(--line); }
.ti-paste { width: 100%; height: 108px; padding: 10px 12px; font-size: 12.5px; line-height: 1.6; font-family: var(--mono); resize: vertical; }

.ti-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.ti-info { font-size: 13px; color: var(--ink-2); flex: 1; }
.ti-check { font-size: 12.5px; color: var(--ink-2); display: flex; align-items: center; gap: 5px; cursor: pointer; }

.ti-cols { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 8px; margin-bottom: 14px; }
.ti-col { min-width: 128px; flex-shrink: 0; }
.ti-col-h {
  font-size: 12px; color: var(--ink-2); font-weight: 600; margin-bottom: 5px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ti-col .ti-sel { width: 100%; height: 32px; font-size: 12.5px; padding: 0 6px; }
.ti-samp {
  font-size: 11px; color: var(--muted); margin-top: 4px; white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}

.ti-defaults { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin-bottom: 14px; }
.ti-defaults .field { margin: 0; }
.ti-defaults label { font-size: 12px; color: var(--ink-2); display: block; margin-bottom: 4px; }

.ti-preview { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; background: #fcfefe; }
.ti-pv-h { font-size: 12px; color: var(--muted); margin-bottom: 8px; }
.ti-pv { padding: 8px 0; border-bottom: 1px dashed var(--line); }
.ti-pv:last-child { border-bottom: none; }
.ti-pv-t { font-size: 13px; color: var(--ink); line-height: 1.6; margin-bottom: 5px; }
.ti-pv-m { display: flex; gap: 5px; flex-wrap: wrap; }
.ti-skip { font-size: 12px; color: #b4262b; margin-top: 8px; line-height: 1.7; }

@media (max-width: 780px) {
  .ti-defaults { grid-template-columns: 1fr; }
}

.ti-warn { font-size: 12px; color: #a8611a; background: #fdf6ec; border: 1px solid #f3e0c4; border-radius: 7px; padding: 6px 9px; margin-top: 6px; line-height: 1.65; font-weight: 400; }

/* 知识点 / 标签可点筛选 */
.tag-link { cursor: pointer; transition: .15s; }
.tag-link:hover { background: var(--pri-l); color: var(--pri-dd); border-color: var(--pri-2, #bfe3e4); }
.tag-video {
  background: #fff4f4; color: #c0392b; border: 1px solid #f3d3d3;
  text-decoration: none; display: inline-flex; align-items: center; gap: 3px;
}
.tag-video:hover { background: #ffe9e9; }

/* 卷篮：整栏/半栏切换 */
.basket-item .wbtn {
  border: 1px solid var(--line); background: #fff; color: var(--muted);
  font-size: 11px; line-height: 1; padding: 3px 6px; border-radius: 6px; cursor: pointer;
  font-family: var(--font); flex: 0 0 auto;
}
.basket-item .wbtn.on { background: var(--pri-l); color: var(--pri-dd); border-color: var(--pri); font-weight: 600; }

/* 共享题库（只读题库）模式 */
body.ro-bank #btnNewFromBar,
body.ro-bank #btnAddCat,
body.ro-bank #btnImport,
body.ro-bank #btnTableImport,
body.ro-bank #btnTableImportM,
body.ro-bank #btnBatchInput,
body.ro-bank #btnImportShare,
body.ro-bank #btnDelSelected,
body.ro-bank .qcard [data-act="edit"],
body.ro-bank .qcard [data-act="copy"],
body.ro-bank .qcard [data-act="del"],
body.ro-bank .mi[data-a="add"],
body.ro-bank .mi[data-a="rename"],
body.ro-bank .mi[data-a="del"] { display: none !important; }

.ro-tip {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: 18px; z-index: 300;
  background: #2b3d43; color: #fff; font-size: 12.5px; padding: 8px 16px; border-radius: 999px;
  box-shadow: 0 6px 20px rgba(0,0,0,.18); opacity: .94;
}