:root {
  --bg: #0f1115;
  --bg-elev: #171a21;
  --bg-elev2: #1e222b;
  --border: #262b36;
  --text: #e6e9ef;
  --text-dim: #9aa3b2;
  --text-faint: #6b7280;
  --accent: #6d8bff;
  --accent-soft: rgba(109, 139, 255, 0.14);
  --green: #3fb950;
  --amber: #d29922;
  --radius: 12px;
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}

#app {
  display: grid;
  grid-template-columns: 260px 380px 1fr;
  grid-template-rows: 100vh;
  height: 100vh;
  overflow: hidden;
}
/* grid 子项默认 min-height:auto 会被内容撑破容器 → 强制 0，让内部区域自己滚动 */
#app > * { min-height: 0; max-height: 100vh; }

/* ---------- 侧栏 ---------- */
.sidebar {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  padding: 20px 16px;
  overflow: hidden;
}
/* 邮箱导航容器：占据侧栏剩余高度，内部 mailbox-list 滚动 */
.mail-nav {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 24px; }
.brand-mark {
  width: 40px; height: 40px; border-radius: 11px;
  background: linear-gradient(135deg, #6d8bff, #9a6dff);
  display: grid; place-items: center; font-size: 20px; color: #fff;
  box-shadow: 0 4px 14px rgba(109, 139, 255, 0.4);
}
.brand-title { font-weight: 600; font-size: 15px; }
.brand-sub { color: var(--text-faint); font-size: 11px; letter-spacing: 1px; text-transform: uppercase; }

.sync-btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 11px; margin-bottom: 22px;
  background: var(--accent); color: #fff; border: none;
  border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer;
  transition: transform .1s, box-shadow .2s, background .2s;
}
.sync-btn:hover { background: #5a79f0; box-shadow: 0 6px 18px rgba(109, 139, 255, 0.35); }
.sync-btn:active { transform: scale(0.98); }
.sync-btn.spinning .sync-icon { animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.mailbox-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4px 8px; color: var(--text-faint);
  font-size: 11px; letter-spacing: 1px; text-transform: uppercase;
}
.add-btn {
  width: 22px; height: 22px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--bg-elev2); color: var(--text-dim); cursor: pointer;
  font-size: 15px; line-height: 1; display: grid; place-items: center; transition: all .15s;
}
.add-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.mailbox-filter {
  width: 100%; margin-bottom: 8px; padding: 7px 10px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  color: var(--text); font-size: 12px; outline: none;
}
.mailbox-filter:focus { border-color: var(--accent); }
.mailbox-more { padding: 10px 12px; font-size: 11px; color: var(--text-faint); text-align: center; }

.mailbox-list { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 4px; }
.mailbox-item {
  padding: 10px 12px; border-radius: 9px; cursor: pointer;
  display: flex; flex-direction: column; gap: 3px; transition: background .15s;
  border: 1px solid transparent;
}
.mailbox-item:hover { background: var(--bg-elev2); }
.mailbox-item.active { background: var(--accent-soft); border-color: rgba(109, 139, 255, 0.35); }
.mailbox-row { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.mailbox-name { font-weight: 500; font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: flex; align-items: center; }
.dot { width: 7px; height: 7px; border-radius: 50%; margin-right: 7px; flex-shrink: 0; display: inline-block; }
.dot-ok { background: var(--green); }
.dot-err { background: #ff6b6b; }
.dot-idle { background: var(--text-faint); }
.mailbox-tail { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }
.mailbox-badge {
  background: var(--bg-elev2); color: var(--text-dim);
  font-size: 11px; padding: 1px 8px; border-radius: 10px; min-width: 22px; text-align: center;
}
.mailbox-item.active .mailbox-badge { background: var(--accent); color: #fff; }
.del-btn {
  width: 18px; height: 18px; border-radius: 5px; border: none;
  background: transparent; color: var(--text-faint); cursor: pointer;
  font-size: 14px; line-height: 1; display: none; place-items: center;
}
.mailbox-item:hover .del-btn { display: grid; }
.del-btn:hover { background: rgba(210, 60, 60, 0.2); color: #ff6b6b; }
.mailbox-email { font-size: 11px; color: var(--text-faint); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sidebar-footer { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 10px; }
.stat-total { font-size: 13px; color: var(--text-dim); }
.stat-total span { color: var(--text); font-weight: 600; }
.last-sync { font-size: 11px; color: var(--text-faint); margin-top: 4px; }

/* ---------- 列表 ---------- */
.list-pane { background: var(--bg); border-right: 1px solid var(--border); display: flex; flex-direction: column; overflow: hidden; }
.list-header { padding: 16px; border-bottom: 1px solid var(--border); }
.search-box {
  display: flex; align-items: center; gap: 8px;
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 10px; padding: 8px 12px; transition: border-color .15s;
}
.search-box:focus-within { border-color: var(--accent); }
.search-icon { opacity: .6; font-size: 13px; }
#searchInput { flex: 1; background: none; border: none; color: var(--text); outline: none; font-size: 13px; }
.clear-search { background: none; border: none; color: var(--text-faint); font-size: 18px; cursor: pointer; line-height: 1; }

.search-modes { display: flex; gap: 6px; margin-top: 10px; }
.search-modes .mode {
  flex: 1; padding: 6px 8px; border-radius: 8px; cursor: pointer;
  background: var(--bg-elev); border: 1px solid var(--border);
  color: var(--text-dim); font-size: 12px; transition: all .15s;
}
.search-modes .mode:hover { color: var(--text); }
.search-modes .mode.active { background: var(--accent-soft); border-color: rgba(109, 139, 255, 0.4); color: var(--accent); font-weight: 600; }

.list-context {
  padding: 9px 16px; font-size: 12px; color: var(--text-dim);
  background: var(--bg-elev); border-bottom: 1px solid var(--border);
}
.list-context b { color: var(--text); font-weight: 600; }

.list-scroll { flex: 1; overflow-y: auto; }
.email-item {
  padding: 14px 16px; border-bottom: 1px solid var(--border);
  cursor: pointer; transition: background .12s; position: relative;
}
.email-item:hover { background: var(--bg-elev); }
.email-item.active { background: var(--accent-soft); }
.email-item.active::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent);
}
.email-top { display: flex; justify-content: space-between; gap: 10px; margin-bottom: 4px; }
.email-subject { font-weight: 600; font-size: 13.5px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.email-date { font-size: 11px; color: var(--text-faint); white-space: nowrap; flex-shrink: 0; }
.email-from { font-size: 11px; color: var(--text-dim); margin-bottom: 5px; }
.email-preview { font-size: 12px; color: var(--text-faint); line-height: 1.5; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.email-code-tag {
  display: inline-block; margin-top: 6px; font-family: ui-monospace, monospace;
  background: rgba(63, 185, 80, 0.14); color: var(--green);
  padding: 2px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; letter-spacing: 1px;
}
.list-empty, .reader-empty { color: var(--text-faint); text-align: center; padding: 60px 20px; }

/* ---------- 阅读区 ---------- */
.reader-pane { background: var(--bg-elev); display: flex; flex-direction: column; overflow: hidden; }
.reader-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; height: 100%; gap: 12px; }
.reader-empty-icon { font-size: 48px; opacity: .5; }
.reader-content { display: flex; flex-direction: column; height: 100%; }
/* 属性选择器提高特异性，让 hidden 属性能覆盖上面的 display:flex，
   否则空状态与邮件内容会同时渲染、上下堆叠 */
.reader-empty[hidden], .reader-content[hidden] { display: none; }
.reader-head { padding: 24px 28px 18px; border-bottom: 1px solid var(--border); }
.reader-head h1 { font-size: 20px; margin: 0 0 12px; font-weight: 600; line-height: 1.35; }
.reader-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { font-size: 12px; padding: 4px 10px; border-radius: 8px; background: var(--bg-elev2); color: var(--text-dim); }
.chip.time { color: var(--text-faint); }
.chip.code { background: rgba(63, 185, 80, 0.14); color: var(--green); font-family: ui-monospace, monospace; font-weight: 600; letter-spacing: 1px; cursor: pointer; }
.reader-frame { flex: 1; min-height: 0; width: 100%; border: none; background: #fff; }

/* ---------- Toast ---------- */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: var(--bg-elev2); color: var(--text); border: 1px solid var(--border);
  padding: 12px 20px; border-radius: 10px; box-shadow: var(--shadow);
  font-size: 13px; z-index: 100; animation: toastIn .2s ease;
}
.toast.ok { border-color: rgba(63, 185, 80, 0.4); }
.toast.err { border-color: rgba(210, 60, 60, 0.5); }
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 10px); } }

/* ---------- 模态 ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0, 0, 0, 0.55);
  display: grid; place-items: center; z-index: 200; backdrop-filter: blur(3px);
  animation: fadeIn .15s ease;
}
/* hidden 属性需覆盖上面的 display:grid，否则模态关不掉 */
.modal-backdrop[hidden] { display: none; }
@keyframes fadeIn { from { opacity: 0; } }
.modal {
  background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 16px; padding: 26px; width: 420px; max-width: calc(100vw - 40px);
  box-shadow: var(--shadow);
}
.modal h2 { margin: 0 0 18px; font-size: 18px; font-weight: 600; }
.modal-tabs { display: flex; gap: 8px; margin-bottom: 20px; }
.mtab {
  flex: 1; padding: 9px; border-radius: 9px; cursor: pointer;
  background: var(--bg); border: 1px solid var(--border); color: var(--text-dim); font-size: 13px; transition: all .15s;
}
.mtab:hover { color: var(--text); }
.mtab.active { background: var(--accent-soft); border-color: rgba(109, 139, 255, 0.4); color: var(--accent); font-weight: 600; }
.bulk-hint { font-size: 12px; color: var(--text-faint); margin: 0 0 8px; }
.modal label.switch-label { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); cursor: pointer; }
.modal .switch-label input { display: inline-block; width: 16px; height: 16px; margin: 0; padding: 0; accent-color: var(--accent); cursor: pointer; flex-shrink: 0; }
.settings-select {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 9px;
  color: var(--text); font-size: 13px; outline: none; color-scheme: dark;
}
.settings-select:focus { border-color: var(--accent); }
.bulk-area {
  width: 100%; height: 180px; resize: vertical; padding: 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-family: ui-monospace, monospace; font-size: 12px; line-height: 1.6; outline: none;
}
.bulk-area:focus { border-color: var(--accent); }
.modal label { display: block; font-size: 12px; color: var(--text-dim); margin-bottom: 14px; }
.modal .req { color: #ff6b6b; }
.modal input {
  display: block; width: 100%; margin-top: 6px; padding: 10px 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 9px;
  color: var(--text); font-size: 13px; outline: none; transition: border-color .15s;
}
.modal input:focus { border-color: var(--accent); }
.modal-err { color: #ff8080; font-size: 12px; margin-bottom: 12px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 4px; }
.btn-ghost, .btn-primary {
  padding: 9px 18px; border-radius: 9px; font-size: 13px; cursor: pointer; border: 1px solid var(--border);
}
.btn-ghost { background: transparent; color: var(--text-dim); }
.btn-ghost:hover { color: var(--text); background: var(--bg-elev2); }
.btn-primary { background: var(--accent); color: #fff; border-color: var(--accent); font-weight: 600; }
.btn-primary:hover { background: #5a79f0; }
.btn-primary:disabled { opacity: .6; cursor: default; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #333a49; }

/* ---------- 登录页 ---------- */
.login-overlay {
  position: fixed; inset: 0; z-index: 500;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(circle at 30% 20%, #1b2130, var(--bg) 60%);
}
.login-overlay[hidden] { display: none; }
.login-box {
  width: 340px; max-width: calc(100vw - 32px); padding: 34px 30px;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: 18px;
  box-shadow: var(--shadow); display: flex; flex-direction: column; align-items: center;
}
.login-mark {
  width: 56px; height: 56px; border-radius: 15px; display: grid; place-items: center;
  font-size: 28px; color: #fff; background: linear-gradient(135deg, #6d8bff, #9a6dff);
  box-shadow: 0 6px 20px rgba(109, 139, 255, 0.4); margin-bottom: 16px;
}
.login-title { font-size: 19px; font-weight: 600; }
.login-sub { font-size: 13px; color: var(--text-faint); margin: 6px 0 22px; }
.login-input {
  width: 100%; padding: 12px 14px; margin-bottom: 12px;
  background: var(--bg); border: 1px solid var(--border); border-radius: 10px;
  color: var(--text); font-size: 14px; outline: none; transition: border-color .15s;
}
.login-input:focus { border-color: var(--accent); }
.login-err { width: 100%; color: #ff8080; font-size: 12px; margin-bottom: 10px; text-align: center; }
.login-btn {
  width: 100%; padding: 12px; margin-top: 4px; border: none; border-radius: 10px;
  background: var(--accent); color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; transition: background .2s;
}
.login-btn:hover { background: #5a79f0; }
.login-btn:disabled { opacity: .6; cursor: default; }
.logout-btn {
  width: 100%; margin-top: 10px; padding: 8px; border-radius: 8px;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
  font-size: 12px; cursor: pointer; transition: all .15s;
}
.logout-btn:hover { border-color: #d64545; color: #ff6b6b; }

/* ---------- 分页栏 ---------- */
.pager {
  display: flex; align-items: center; justify-content: center; gap: 14px;
  padding: 10px 16px; border-top: 1px solid var(--border);
  background: var(--bg-elev); flex-shrink: 0;
}
.pager[hidden] { display: none; } /* 覆盖上面的 display:flex，否则 total≤pageSize 时藏不住 */
.pg-btn {
  padding: 6px 14px; border-radius: 8px; cursor: pointer; font-size: 12px;
  background: var(--bg-elev2); border: 1px solid var(--border); color: var(--text-dim);
}
.pg-btn:hover:not(:disabled) { color: var(--text); border-color: var(--accent); }
.pg-btn:disabled { opacity: .4; cursor: default; }
.pg-info { font-size: 12px; color: var(--text-faint); }

/* ---------- 视图切换 ---------- */
.view-nav { display: flex; gap: 6px; margin-bottom: 16px; }
.nav-btn {
  flex: 1; padding: 9px 6px; border-radius: 9px; cursor: pointer;
  background: var(--bg-elev2); border: 1px solid var(--border);
  color: var(--text-dim); font-size: 13px; transition: all .15s;
}
.nav-btn:hover { color: var(--text); }
.nav-btn.active { background: var(--accent-soft); border-color: rgba(109, 139, 255, 0.4); color: var(--accent); font-weight: 600; }

.view-manage, .view-monitor { display: none; }
body[data-view="manage"] .view-mail { display: none; }
body[data-view="manage"] #mailNav { display: none; }
body[data-view="manage"] .view-manage { display: flex; }
body[data-view="monitor"] .view-mail { display: none; }
body[data-view="monitor"] #mailNav { display: none; }
body[data-view="monitor"] .view-monitor { display: flex; }

/* ---------- 邮件监控 ---------- */
.monitor-cards {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px; padding: 16px 24px; flex-shrink: 0;
}
.mcard {
  padding: 14px 16px; border-radius: 12px; cursor: pointer;
  background: var(--bg-elev); border: 1px solid var(--border); transition: all .15s;
}
.mcard:hover { border-color: var(--text-faint); }
.mcard.active { border-color: var(--accent); background: var(--accent-soft); }
.mcard-num { font-size: 24px; font-weight: 700; line-height: 1.1; }
.mcard-label { font-size: 12px; color: var(--text-dim); margin-top: 4px; }
.mcard-dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }
.dot-active { background: var(--green); }
.dot-norefund { background: #ff6b6b; }
.dot-refunded { background: var(--amber); }
.dot-unknown { background: var(--text-faint); }
.dot-all { background: var(--accent); }

.mstatus { font-size: 12px; padding: 3px 10px; border-radius: 8px; white-space: nowrap; }
.mstatus-active { background: rgba(63, 185, 80, 0.14); color: var(--green); }
.mstatus-norefund { background: rgba(214, 69, 69, 0.18); color: #ff6b6b; font-weight: 600; }
.mstatus-refunded { background: rgba(210, 153, 34, 0.16); color: var(--amber); }
.mstatus-unknown { background: var(--bg-elev2); color: var(--text-faint); }
.col-mstatus { width: 150px; }
.view-monitor .manage-table { min-width: 1110px; } /* 列多，桌面也允许横向滚动 */
.cell-amount { color: var(--green); font-weight: 600; }
.amt-refund { color: var(--amber, #e3b341); font-weight: 600; white-space: nowrap; }
.cell-card { font-family: ui-monospace, monospace; color: var(--text-dim); white-space: nowrap; }
.cell-survival { white-space: nowrap; color: var(--amber); font-weight: 500; }
.surv-tag { font-size: 11px; padding: 1px 7px; border-radius: 6px; font-weight: 600; margin-left: 4px; }
.surv-revoked { background: rgba(214, 69, 69, 0.18); color: #ff6b6b; }
.surv-pending { background: rgba(210, 153, 34, 0.18); color: var(--amber); }
.surv-refunded { background: rgba(63, 185, 80, 0.16); color: var(--green); }
.mcard-surv { border-left-width: 3px; }
.mcard-surv.surv-b-revoked { border-left-color: #ff6b6b; }
.mcard-surv.surv-b-pending { border-left-color: var(--amber); }
.mcard-surv.surv-b-refunded { border-left-color: var(--green); }
.col-action { width: 128px; }
.col-action .mark-btn { margin: 1px 0; }
.mark-btn {
  padding: 4px 10px; border-radius: 7px; cursor: pointer; font-size: 12px; white-space: nowrap;
  background: rgba(63, 185, 80, 0.14); border: 1px solid rgba(63, 185, 80, 0.4); color: var(--green);
}
.mark-btn:hover { background: rgba(63, 185, 80, 0.24); }
.mark-btn.unmark { background: var(--bg-elev2); border-color: var(--border); color: var(--text-dim); }
.mark-btn.unmark:hover { border-color: #d64545; color: #ff6b6b; }
/* 待撤销人工判定按钮 */
.surv-judge { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.mark-btn.surv-set-revoked { background: rgba(214, 69, 69, 0.14); border-color: rgba(214, 69, 69, 0.42); color: #ff7676; }
.mark-btn.surv-set-revoked:hover { background: rgba(214, 69, 69, 0.26); }
.mark-btn.surv-set-refunded { background: rgba(63, 185, 80, 0.14); border-color: rgba(63, 185, 80, 0.4); color: var(--green); }
.mark-btn.surv-clear { background: var(--bg-elev2); border-color: var(--border); color: var(--text-dim); }
.mark-btn.surv-clear:hover { border-color: var(--accent); color: var(--text); }

.monitor-advanced {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 0 24px 14px; flex-shrink: 0;
}
.madv-label { font-size: 12px; color: var(--text-dim); }
.madv-input {
  padding: 6px 10px; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 12px; outline: none; color-scheme: dark;
}
.madv-input:focus { border-color: var(--accent); }
.madv-sep { color: var(--text-faint); }
.madv-clear { padding: 6px 12px; font-size: 12px; }
.madv-count { font-size: 12px; color: var(--text-faint); margin-left: auto; }
.madv-batch { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; color: var(--accent); background: var(--accent-soft); padding: 4px 10px; border-radius: 8px; }
.madv-batch[hidden] { display: none; }
.row-notfound td { color: var(--text-faint); font-style: italic; }

/* ---------- API 接入模态 ---------- */
.modal-wide { width: 640px; max-width: calc(100vw - 32px); }
.api-key-row { display: flex; gap: 8px; margin-top: 6px; }
.api-key-row input { flex: 1; font-family: ui-monospace, monospace; }
.api-docs { margin-top: 16px; border-top: 1px solid var(--border); padding-top: 14px; max-height: 42vh; overflow-y: auto; }
.api-doc-title { font-size: 12px; color: var(--text-dim); margin-bottom: 10px; }
.api-ep { margin-bottom: 14px; }
.api-ep b { font-size: 13px; }
.api-ep pre {
  margin: 6px 0 4px; padding: 10px 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 8px; font-size: 11.5px; color: var(--text); white-space: pre-wrap; word-break: break-all; overflow-x: auto;
}
.api-note { font-size: 11px; color: var(--text-faint); }
.modal code { background: var(--bg-elev2); padding: 1px 5px; border-radius: 4px; font-size: 12px; }
.mstatus-note {
  display: inline-block; margin-left: 6px; font-size: 11px; padding: 2px 7px; border-radius: 6px;
  background: rgba(210, 153, 34, 0.12); color: var(--amber); border: 1px dashed rgba(210, 153, 34, 0.4);
  white-space: nowrap;
}

/* ---------- 邮箱管理视图 ---------- */
.manage-pane { grid-column: 2 / -1; flex-direction: column; background: var(--bg); overflow: hidden; }
.manage-header {
  padding: 20px 24px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap;
}
.manage-header h2 { margin: 0; font-size: 18px; font-weight: 600; }
.manage-tools { display: flex; align-items: center; gap: 10px; }
.manage-filter {
  padding: 9px 12px; width: 240px; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: 9px; color: var(--text); font-size: 13px; outline: none;
}
.manage-filter:focus { border-color: var(--accent); }
.btn-danger {
  padding: 9px 16px; border-radius: 9px; font-size: 13px; cursor: pointer; font-weight: 600;
  background: #d64545; color: #fff; border: 1px solid #d64545;
}
.btn-danger:hover { background: #c23b3b; }
.btn-danger:disabled { opacity: .45; cursor: default; background: var(--bg-elev2); color: var(--text-faint); border-color: var(--border); }
.btn-ghost-danger {
  padding: 9px 16px; border-radius: 9px; font-size: 13px; cursor: pointer;
  background: transparent; color: #ff8080; border: 1px solid rgba(214, 69, 69, 0.5);
}
.btn-ghost-danger:hover { background: rgba(214, 69, 69, 0.15); border-color: #d64545; }

.manage-table-wrap { flex: 1; overflow: auto; }
.manage-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.manage-table thead th {
  position: sticky; top: 0; background: var(--bg-elev); z-index: 1;
  text-align: left; padding: 12px 14px; color: var(--text-dim); font-weight: 600;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
.manage-table tbody td { padding: 11px 14px; border-bottom: 1px solid var(--border); }
.manage-table tbody tr:hover { background: var(--bg-elev); }
.manage-table tr.row-sel { background: var(--accent-soft); }
.col-check { width: 40px; }
.col-num { width: 70px; text-align: center; }
.col-status { width: 80px; }
.col-time { width: 120px; color: var(--text-faint); white-space: nowrap; }
.col-op { width: 84px; text-align: right; }
.cell-email { font-family: ui-monospace, monospace; }
.view-monitor .cell-email { cursor: pointer; transition: color .12s; }
.view-monitor .cell-email:hover { color: var(--accent); text-decoration: underline; }
.cell-label { color: var(--text-dim); }
.manage-empty { text-align: center; color: var(--text-faint); padding: 50px; }
.manage-table input[type="checkbox"] { width: 15px; height: 15px; cursor: pointer; accent-color: var(--accent); }
.row-del {
  padding: 4px 12px; border-radius: 7px; cursor: pointer; font-size: 12px; white-space: nowrap;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
}
.row-del:hover { background: rgba(214, 69, 69, 0.15); border-color: #d64545; color: #ff6b6b; }
.st { font-size: 12px; padding: 2px 9px; border-radius: 8px; }
.st-ok { background: rgba(63, 185, 80, 0.14); color: var(--green); }
.st-err { background: rgba(214, 69, 69, 0.18); color: #ff6b6b; }
.st-idle { background: var(--bg-elev2); color: var(--text-faint); }

/* ---------- 邮件视图：删除 / 清空 ---------- */
.reader-head-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 12px; }
.reader-head-top h1 { margin: 0; }
.reader-del {
  flex-shrink: 0; padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 12px;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim); white-space: nowrap;
}
.reader-del:hover { background: rgba(214, 69, 69, 0.15); border-color: #d64545; color: #ff6b6b; }
.reader-head-actions { flex-shrink: 0; display: flex; gap: 8px; align-items: center; }
.reader-dl {
  flex-shrink: 0; padding: 7px 14px; border-radius: 8px; cursor: pointer; font-size: 12px;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim); white-space: nowrap;
}
.reader-dl:hover { background: rgba(63, 185, 80, 0.14); border-color: var(--green); color: var(--green); }
.ctx-clear {
  margin-left: 10px; padding: 3px 10px; border-radius: 7px; cursor: pointer; font-size: 11px;
  background: transparent; border: 1px solid var(--border); color: var(--text-dim);
}
.ctx-clear:hover { background: rgba(214, 69, 69, 0.15); border-color: #d64545; color: #ff6b6b; }

/* 移动端顶栏：桌面隐藏 */
.mobile-bar { display: none; }
.drawer-mask { display: none; }

/* ============ 移动端（≤768px）：逐层下钻导航 ============ */
@media (max-width: 768px) {
  .mobile-bar {
    display: flex; align-items: center; gap: 10px;
    height: 52px; padding: 0 8px; flex-shrink: 0;
    background: var(--bg-elev); border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 60;
  }
  .mbar-btn {
    width: 40px; height: 40px; border: none; background: transparent;
    color: var(--text); font-size: 20px; cursor: pointer; border-radius: 8px;
    display: grid; place-items: center; flex-shrink: 0;
  }
  .mbar-btn:active { background: var(--bg-elev2); }
  .mbar-btn[hidden] { display: none; } /* 属性选择器覆盖上面的 display:grid，否则 hidden 藏不住 */
  .mbar-title { font-size: 15px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

  /* 单列，占满顶栏以下高度 */
  #app { grid-template-columns: 1fr; grid-template-rows: 1fr; height: calc(100vh - 52px); }
  #app > * { max-height: none; }

  /* 侧栏 → 左侧滑出抽屉 */
  .sidebar {
    position: fixed; top: 52px; left: 0; bottom: 0; width: 84%; max-width: 320px;
    z-index: 55; transform: translateX(-100%); transition: transform .25s ease;
    padding: 16px;
  }
  body.drawer-open .sidebar { transform: translateX(0); box-shadow: 6px 0 40px rgba(0, 0, 0, 0.5); }
  body.drawer-open .drawer-mask {
    display: block; position: fixed; inset: 52px 0 0 0; background: rgba(0, 0, 0, 0.5); z-index: 54;
  }

  /* 邮件列表 / 邮箱管理：全屏单栏 */
  .list-pane { grid-column: 1; grid-row: 1; }
  .manage-pane { grid-column: 1; grid-row: 1; }
  body[data-view="manage"] #app { }

  /* 阅读区 → 全屏覆盖，默认移出右侧，reading 时滑入 */
  .reader-pane {
    position: fixed; top: 52px; left: 0; right: 0; bottom: 0; z-index: 58;
    transform: translateX(100%); transition: transform .25s ease;
  }
  body.reading .reader-pane { transform: translateX(0); }

  /* 邮箱管理表格横向可滚动，工具栏堆叠 */
  .manage-header { flex-direction: column; align-items: stretch; gap: 10px; padding: 14px 16px; }
  .manage-tools { flex-wrap: wrap; }
  .manage-filter { width: 100%; }
  .manage-table-wrap { overflow-x: auto; }
  .manage-table { min-width: 620px; }

  /* 顶栏已显示视图名，隐藏页面内重复的 h2，腾出空间 */
  .manage-header h2 { display: none; }
  .manage-header { padding: 12px 16px; }
  /* 监控卡片：紧凑成可横滑的一行，把垂直空间让给表格 */
  .monitor-cards { display: flex; overflow-x: auto; gap: 8px; padding: 12px 16px; -webkit-overflow-scrolling: touch; }
  .monitor-cards::-webkit-scrollbar { display: none; }
  .mcard { flex: 0 0 auto; min-width: 96px; padding: 10px 12px; }
  .mcard-num { font-size: 19px; }
  .mcard-label { font-size: 10.5px; }
  /* 高级搜索：省掉说明文字，控件换行 */
  .monitor-advanced { padding: 0 16px 12px; }
  .madv-label { display: none; }
  .madv-count { margin-left: 0; }

  /* 搜索模式条更紧凑 */
  .reader-head { padding: 18px 18px 14px; }
  .reader-head h1 { font-size: 17px; }
}