/* ==========================================================================
   ПОЧТА · App shell & screen layouts
   Two-column grid: sidebar + workspace. Message rows, cards, compose, mobile.
   ========================================================================== */

/* ================================================================ shell */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  height: 100vh;
  overflow: hidden;
  background: var(--app-bg);
}
/* Ширина сайдбара в текущем состоянии — один источник правды для самого
   сайдбара и для кнопки-язычка, которая ездит по его границе. */
.app { --sb-cur: var(--sidebar-w); }
/* Icon-rail collapse is a DESKTOP feature only. Below 992px the sidebar is an
   off-canvas drawer opened by the burger and must ALWAYS show full labels —
   otherwise a stuck collapse state leaves the drawer as an icon rail. */
@media (min-width: 992px) {
  .app.nav-collapsed { grid-template-columns: var(--sidebar-cw) 1fr; --sb-cur: var(--sidebar-cw); }
}

/* ---------------------------------------------------------- sidebar */
.sidebar {
  background: var(--app-bg);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  min-height: 0; height: 100vh;
}
.sb-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px 12px;
  height: var(--topbar-h);
  flex: 0 0 auto;
}
.sb-brand .wm { font-family: var(--font-display); font-weight: 800; font-size: 19px; letter-spacing: -.03em; color: var(--fg); display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }
.sb-brand .wm .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); display: inline-block; margin: 0 1px; }
.sb-brand .wm small { font-weight: 600; color: var(--fg-3); font-size: 11px; font-family: var(--font-mono); letter-spacing: 0; }
.sb-brand .env { width: 30px; height: 30px; border-radius: var(--r-2); background: var(--fg); color: var(--app-bg); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; flex: 0 0 auto; }
[data-bs-theme="dark"] .sb-brand .env { background: var(--accent); color: #2a160d; }

.sb-scroll { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding: 6px 12px 12px; }
.sb-foot {
  flex: 0 0 auto; border-top: 1px solid var(--border); min-width: 0;
  display: flex; align-items: center; flex-wrap: wrap; gap: 3px; padding: 9px 10px;
}
.sb-foot .btn-icon { color: var(--fg-3); flex: 0 0 auto; }
.sb-foot .grow { display: none; }   /* spacer no longer used; kept for old cache */
/* .tight is applied by a ResizeObserver when the four buttons would wrap to a
   second row — shrink spacing/size so they stay on one row as long as
   possible; if even that doesn't fit, flex-wrap keeps them all visible. */
.sb-foot.tight { gap: 0; padding: 8px 5px; }
.sb-foot.tight .btn-icon { width: 30px; height: 30px; }

/* compose button */
.sb-compose {
  width: 100%; justify-content: center; gap: 9px; margin: 6px 0 12px;
  background: var(--accent); color: #2a160d; border: 1px solid var(--accent);
  font-weight: 700; padding: 11px 14px; border-radius: var(--r-2); font-size: 14px;
  display: inline-flex; align-items: center; cursor: pointer;
  transition: background var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
  box-shadow: 0 1px 0 rgba(14,10,8,.05);
}
.sb-compose:hover { background: var(--accent-hover); color: #2a160d; text-decoration: none; }
.sb-compose:hover span { color: #2a160d; }
.sb-compose i { font-size: 16px; }

/* sidebar search */
.sb-search { margin-bottom: 12px; }

/* nav lists */
.nav-sec { margin-bottom: 4px; }
.nav-sec-label {
  font-family: var(--font-mono); font-size: 10px; font-weight: 500; letter-spacing: .11em;
  text-transform: uppercase; color: var(--fg-3); padding: 12px 10px 5px;
  display: flex; align-items: center; gap: 6px;
}
.nav-item {
  display: flex; align-items: center; gap: 11px;
  padding: 7px 10px; border-radius: var(--r-2);
  color: var(--fg-2); font-size: 13.5px; font-weight: 500;
  cursor: pointer; user-select: none; position: relative;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}
.nav-item:hover { background: var(--hover); color: var(--fg); text-decoration: none; }
.nav-item .ic { width: 18px; text-align: center; font-size: 15px; color: var(--fg-3); flex: 0 0 auto; }
.nav-item:hover .ic { color: var(--fg-2); }
.nav-item .lbl { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.nav-item .cnt { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); font-weight: 500; }
.nav-item .badge.count { font-family: var(--font-mono); }
.nav-item.active { background: var(--selected); color: var(--fg); font-weight: 600; }
.nav-item.active .ic { color: var(--accent); }
.nav-item.active::before { content: ""; position: absolute; left: -12px; top: 6px; bottom: 6px; width: 3px; border-radius: 0 3px 3px 0; background: var(--accent); }

/* account group (collapsible) */
.acct { margin-top: 2px; }
.acct-head { display: flex; align-items: center; gap: 9px; padding: 7px 10px; border-radius: var(--r-2); cursor: pointer; color: var(--fg); font-weight: 600; font-size: 13px; }
.acct-head:hover { background: var(--hover); }
.acct-head .chev { color: var(--fg-3); font-size: 11px; transition: transform var(--dur) var(--ease); cursor: pointer; }
/* `bi-chevron-right` сама по себе указывает вправо → это и есть closed-state.
   Открытый аккаунт: поворачиваем стрелку на 90° чтобы она смотрела вниз. */
.acct:not(.collapsed) > .acct-head .chev { transform: rotate(90deg); }
.acct-head .acct-ic { width: 18px; text-align: center; color: var(--accent); font-size: 14px; }
.acct-head .acct-name { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.acct-head .cnt { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); }
.acct-folders { padding-left: 8px; margin-left: 9px; border-left: 1px solid var(--border-soft); overflow: hidden; }
.acct.collapsed .acct-folders { display: none; }
.acct.active > .acct-head { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); }
.acct.active > .acct-head .acct-ic, .acct.active > .acct-head .acct-name { color: var(--accent); }
.folder-item { display: flex; align-items: center; gap: 9px; padding: 6px 9px; border-radius: var(--r-2); color: var(--fg-2); font-size: 13px; cursor: pointer; }
.folder-item:hover { background: var(--hover); color: var(--fg); text-decoration: none; }
.folder-item .ic { width: 15px; text-align: center; font-size: 13px; color: var(--fg-3); }
.folder-item .lbl { flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.folder-item .cnt { font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-3); }
.folder-item.unread { color: var(--fg); font-weight: 600; }
.folder-item.sub { padding-left: 22px; }

/* collapsed sidebar (icons only) — desktop only (see note above) */
@media (min-width: 992px) {
  .app.nav-collapsed .sb-brand .wm,
  .app.nav-collapsed .sb-search,
  .app.nav-collapsed .nav-sec-label,
  .app.nav-collapsed .nav-item .lbl,
  .app.nav-collapsed .nav-item .cnt,
  .app.nav-collapsed .nav-item .badge,
  .app.nav-collapsed .acct-folders,
  .app.nav-collapsed .acct-head .acct-name,
  .app.nav-collapsed .acct-head .cnt,
  .app.nav-collapsed .acct-head .chev,
  .app.nav-collapsed .sb-compose span,
  .app.nav-collapsed .sb-foot .grow + .btn-icon ~ * { display: none; }
  .app.nav-collapsed .sb-compose { padding: 11px; }
  .app.nav-collapsed .nav-item, .app.nav-collapsed .acct-head { justify-content: center; }
  .app.nav-collapsed .nav-item .ic, .app.nav-collapsed .acct-head .acct-ic { width: auto; }
  .app.nav-collapsed .nav-item.active::before { left: -12px; }
  .app.nav-collapsed .sb-foot { flex-direction: column; }
  /* keep the collapse toggle visible in the rail so it can be expanded back
     (the .sb-foot sibling rule above otherwise hides it → labels never return) */
  .app.nav-collapsed #om-collapse { display: inline-flex; }
}

/* ---------- сайдбар, задвинутый целиком (кнопка-язычок на границе) -------
   `#om-collapse` в подвале сайдбара сжимает меню до рельсы с иконками;
   `#om-nav-edge` убирает его совсем, отдавая всю ширину списку писем.
   Состояние живёт классом на <html>, а не на `.app`: shell.js выставляет
   его ещё из <head>, до отрисовки body, поэтому меню не мигает при каждой
   загрузке страницы. На мобильном сайдбар и так шторка — там кнопки нет,
   работает бургер в топбаре. */
.nav-edge {
  position: fixed; z-index: 1045;
  top: calc(var(--topbar-h) / 2); left: calc(var(--sb-cur) - 13px);
  transform: translateY(-50%);
  width: 26px; height: 26px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); border-radius: 50%;
  background: var(--surface); color: var(--fg-3); font-size: 11px;
  cursor: pointer; box-shadow: 0 1px 3px rgba(14,10,8,.12);
  transition: left .24s var(--ease), background var(--dur) var(--ease),
              color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.nav-edge:hover { background: var(--hover); color: var(--fg); border-color: var(--fg-3); }
.nav-edge:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
@media (min-width: 992px) {
  .app { transition: grid-template-columns .24s var(--ease); }
  /* Фиксированная ширина (а не «сколько дала колонка») — чтобы при
     задвигании содержимое уезжало влево целиком, а не схлопывалось. */
  .sidebar { width: var(--sb-cur); transition: transform .24s var(--ease); }
  html.nav-hidden .app { grid-template-columns: 0 1fr; }
  html.nav-hidden .sidebar { transform: translateX(-100%); border-right-color: transparent; }
  html.nav-hidden .app .nav-edge { left: 10px; }
}
@media (max-width: 991px) { .nav-edge, #om-collapse { display: none; } }

/* =============================================================== workspace */
.workspace { display: flex; flex-direction: column; min-width: 0; height: 100vh; background: var(--content-bg); overflow: hidden; }

/* topbar / content_title */
.topbar {
  flex: 0 0 auto; height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 18px; border-bottom: 1px solid var(--border);
  background: var(--content-bg);
}
.topbar .title { font-weight: 800; font-size: 17px; letter-spacing: -.02em; display: flex; align-items: center; gap: 9px; }
.topbar .title .ti { color: var(--accent); font-size: 18px; }
.topbar .title .sub { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); font-weight: 400; }
.topbar .spacer { flex: 1; }
.topbar .tb-actions { display: flex; align-items: center; gap: 5px; }
.burger { display: none; }

/* content scroll region */
.content { flex: 1 1 auto; min-height: 0; overflow-y: auto; }
.content-pad { padding: 22px 26px; }
.content-narrow { max-width: 920px; margin: 0 auto; }

/* list sub-toolbar */
.list-toolbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 10px 18px; border-bottom: 1px solid var(--border); background: var(--content-bg);
}
.list-toolbar .grow { flex: 1; }
.list-toolbar .check-all { display: flex; align-items: center; gap: 8px; }

/* ============================================================= message list */
.msg-list { display: flex; flex-direction: column; }
.msg-row {
  display: grid;
  /* Шесть колонок: чекбокс, источник, отправитель, тема, флаги (скрепка/звёздочка/ответ), дата.
     Раньше было 5 — m-flags перетекала на implicit вторую строку под чекбоксом
     и `bi-paperclip` был фактически невидим. */
  grid-template-columns: 36px 22px 210px 1fr auto auto;
  align-items: center; gap: 12px;
  padding: var(--row-pad-y) 18px;
  border-bottom: 1px solid var(--border-soft);
  cursor: pointer; position: relative;
  font-size: var(--row-font);
  transition: background var(--dur) var(--ease);
}
.msg-row:hover { background: var(--hover); }
.msg-row.selected { background: var(--selected); }
.msg-row.selected::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--accent); }
.msg-row .m-check { display: flex; align-items: center; }
.msg-row .m-src { display: flex; align-items: center; justify-content: center; color: var(--fg-3); font-size: 14px; }
.msg-row .m-from { font-weight: 500; color: var(--fg-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: flex; align-items: center; gap: 8px; }
.msg-row .m-from .star { color: var(--fg-3); font-size: 13px; }
.msg-row .m-subj { min-width: 0; display: flex; align-items: baseline; gap: 9px; white-space: nowrap; overflow: hidden; }
.msg-row .m-subj .s-title { font-weight: 500; color: var(--fg); flex: 0 1 auto; overflow: hidden; text-overflow: ellipsis; }
.msg-row .m-subj .s-prev { color: var(--fg-3); overflow: hidden; text-overflow: ellipsis; flex: 1 1 auto; font-weight: 400; }
.msg-row .m-meta { display: flex; align-items: center; gap: 12px; justify-content: flex-end; white-space: nowrap; }
.msg-row .m-flags { display: flex; align-items: center; gap: 8px; color: var(--fg-3); font-size: 13px; min-width: 44px; justify-content: flex-end; }
.msg-row .m-flags .on { color: var(--accent); }
.msg-row .m-date { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); min-width: 56px; text-align: right; }

/* unread state */
.msg-row.unread { background: var(--surface); }
.msg-row.unread:hover { background: var(--hover); }
.msg-row.unread .m-from { color: var(--fg); font-weight: 700; }
.msg-row.unread .m-subj .s-title { font-weight: 700; color: var(--fg); }
.msg-row.unread .m-date { color: var(--fg-2); font-weight: 500; }
.msg-row.unread::after { content: ""; position: absolute; left: 7px; top: 50%; transform: translateY(-50%); width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }
.msg-row .m-check { position: relative; }

/* highlighted by user rule */
.msg-row.hl-warn { background: var(--warn-tint); }
.msg-row.hl-warn .m-subj .s-title { color: var(--warn); }

/* selection mode bulk bar */
.bulk-bar { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 9px 18px; background: var(--surface); border-bottom: 1px solid var(--border); }
.bulk-bar .sel-count { font-family: var(--font-mono); font-size: 12px; color: var(--fg-2); margin-right: 6px; }

/* pagination */
.pager { display: flex; align-items: center; justify-content: center; gap: 6px; padding: 18px; }
.pager .pg { min-width: 32px; height: 32px; border-radius: var(--r-2); border: 1px solid var(--border); background: var(--surface); color: var(--fg-2); display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-family: var(--font-mono); cursor: pointer; }
.pager .pg:hover { border-color: var(--fg-3); color: var(--fg); }
.pager .pg.active { background: var(--accent); border-color: var(--accent); color: #2a160d; font-weight: 600; }

/* avatar */
.av-sq { width: 30px; height: 30px; border-radius: var(--r-2); display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: 12px; color: #fff; flex: 0 0 auto; }
.av-c { border-radius: 50%; }

/* ============================================================ mailbox cards */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 16px; }
.mailbox-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-3); padding: 16px 18px; display: flex; flex-direction: column; gap: 12px; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); position: relative; overflow: hidden; }
.mailbox-card:hover { border-color: var(--fg-3); box-shadow: var(--shadow-2); }
.mailbox-card.has-unread { border-left: 3px solid var(--accent); }
.mailbox-card .mc-head { display: flex; align-items: flex-start; gap: 11px; }
.mailbox-card .mc-ic { width: 34px; height: 34px; border-radius: var(--r-2); background: var(--hover-strong); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 17px; flex: 0 0 auto; }
.mailbox-card .mc-name { font-weight: 700; font-size: 15px; letter-spacing: -.01em; }
.mailbox-card .mc-addr { font-family: var(--font-mono); font-size: 11.5px; color: var(--fg-3); }
.mailbox-card .mc-counts { margin-left: auto; text-align: right; }
.mailbox-card .mc-counts .big { font-weight: 800; font-size: 18px; font-family: var(--font-mono); letter-spacing: -.02em; }
.mailbox-card .mc-counts .small { font-size: 11px; color: var(--fg-3); }
.mailbox-card .mc-prev { display: flex; flex-direction: column; gap: 1px; border-top: 1px solid var(--border-soft); padding-top: 10px; }
.mc-prev-row { display: flex; align-items: baseline; gap: 9px; padding: 4px 0; font-size: 12.5px; }
.mc-prev-row .pf { color: var(--fg-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 120px; }
.mc-prev-row .ps { color: var(--fg-3); flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.mc-prev-row .pd { font-family: var(--font-mono); font-size: 10.5px; color: var(--fg-3); }
.mc-prev-row.un .pf { color: var(--fg); font-weight: 700; }
.mc-prev-row.un .ps { color: var(--fg-2); }
.mc-prev-row.un::before { content: ""; width: 5px; height: 5px; border-radius: 50%; background: var(--accent); align-self: center; flex: 0 0 auto; }
.mailbox-card .mc-foot { margin-top: auto; }
.mailbox-card .mc-foot a { font-size: 12.5px; font-weight: 600; }

/* ============================================================== AI card */
.ai-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-4); overflow: hidden; }
.ai-card .ai-head { display: flex; align-items: center; gap: 11px; padding: 16px 20px; border-bottom: 1px solid var(--border-soft); }
.ai-card .ai-head > div:first-of-type { flex: 1; min-width: 0; }
.ai-card .ai-title { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ai-card .ai-ic { width: 34px; height: 34px; border-radius: var(--r-2); display: inline-flex; align-items: center; justify-content: center; background: var(--accent-tint); color: var(--accent); font-size: 18px; }
.ai-card .ai-title { font-weight: 800; font-size: 16px; letter-spacing: -.02em; }
.ai-card .ai-upd { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); }
.ai-card .ai-body { padding: 18px 20px; font-size: 14.5px; line-height: 1.6; color: var(--fg-2); }
.ai-card .ai-body .ref { font-family: var(--font-mono); font-size: 12px; color: var(--accent); background: var(--accent-tint); padding: 0 5px; border-radius: var(--r-1); text-decoration: none; }
.ai-card .ai-body .ref:hover { background: var(--accent); color: #2a160d; }
.ai-attn { margin-top: 14px; border: 1px solid var(--warn-tint); background: var(--warn-tint); border-radius: var(--r-3); padding: 12px 14px; }
.ai-attn .at-head { font-weight: 700; font-size: 12.5px; color: var(--warn); display: flex; align-items: center; gap: 7px; margin-bottom: 8px; }
.ai-attn ul { margin: 0; padding-left: 2px; list-style: none; display: flex; flex-direction: column; gap: 7px; }
.ai-attn li { display: flex; gap: 9px; font-size: 13px; color: var(--fg); align-items: baseline; }
.ai-attn li .a-from { font-weight: 600; }

/* ============================================================ workspace proj */
.proj-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.proj-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-3); padding: 13px 14px; display: flex; gap: 11px; position: relative; transition: border-color var(--dur) var(--ease); }
.proj-card:hover { border-color: var(--fg-3); }
.proj-card .pc-fav { width: 30px; height: 30px; border-radius: var(--r-2); flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: 13px; }
.proj-card .pc-title { font-weight: 700; font-size: 13.5px; }
.proj-card .pc-host { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); }
.proj-card .pc-desc { font-size: 12px; color: var(--fg-3); margin-top: 4px; line-height: 1.45; }
.proj-card .pc-tools { position: absolute; top: 8px; right: 8px; display: flex; gap: 2px; opacity: 0; transition: opacity var(--dur) var(--ease); }
.proj-card:hover .pc-tools { opacity: 1; }

/* ============================================================== compose */
.compose-shell { display: flex; flex-direction: column; height: 100%; }
.compose-field { display: grid; grid-template-columns: 90px 1fr; align-items: center; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--border-soft); }
.compose-field > label { font-size: 12.5px; font-weight: 600; color: var(--fg-3); }
.rt-toolbar { display: flex; align-items: center; gap: 2px; flex-wrap: wrap; padding: 7px 8px; border: 1px solid var(--border); border-bottom: 0; border-radius: var(--r-2) var(--r-2) 0 0; background: var(--surface-sunk); }
.rt-toolbar .sep { width: 1px; height: 18px; background: var(--border); margin: 0 5px; }
.rt-btn { width: 30px; height: 30px; border: 0; background: transparent; color: var(--fg-2); border-radius: var(--r-1); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; }
.rt-btn:hover { background: var(--hover); color: var(--fg); }
.rt-btn.active { background: var(--accent-tint); color: var(--accent); }
.rt-area { border: 1px solid var(--border); border-radius: 0 0 var(--r-2) var(--r-2); background: var(--surface); padding: 16px; min-height: 240px; font-size: 14.5px; line-height: 1.6; color: var(--fg); }

/* attachments */
.attach-row { display: flex; align-items: center; gap: 11px; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--r-2); background: var(--surface); }
.attach-row .at-ic { width: 32px; height: 32px; border-radius: var(--r-1); background: var(--hover-strong); display: inline-flex; align-items: center; justify-content: center; color: var(--fg-3); font-size: 15px; }
.attach-row .at-name { font-weight: 600; font-size: 13px; }
.attach-row .at-size { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); }
.dropzone { border: 1.5px dashed var(--border); border-radius: var(--r-3); padding: 22px; text-align: center; color: var(--fg-3); font-size: 13px; background: var(--surface-sunk); }
.dropzone.over { border-color: var(--accent); background: var(--accent-tint); color: var(--accent-hover); }

/* ============================================================== settings */
.settings-grid { display: grid; grid-template-columns: 230px 1fr; gap: 24px; }
.settings-nav { position: sticky; top: 0; align-self: start; display: flex; flex-direction: column; gap: 1px; }
.settings-nav a { display: flex; align-items: center; gap: 10px; padding: 8px 11px; border-radius: var(--r-2); color: var(--fg-2); font-size: 13.5px; font-weight: 500; }
.settings-nav a:hover { background: var(--hover); color: var(--fg); text-decoration: none; }
.settings-nav a.active { background: var(--selected); color: var(--fg); font-weight: 600; }
.settings-nav a i { width: 18px; text-align: center; color: var(--fg-3); }
.settings-nav a.active i { color: var(--accent); }
.set-section { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-3); margin-bottom: 18px; }
.set-section > .ss-head { display: flex; align-items: center; gap: 11px; padding: 15px 18px; border-bottom: 1px solid var(--border-soft); }
.set-section .ss-ic { width: 30px; height: 30px; border-radius: var(--r-2); background: var(--hover-strong); color: var(--accent); display: inline-flex; align-items: center; justify-content: center; font-size: 15px; }
.set-section .ss-title { font-weight: 700; font-size: 14.5px; }
.set-row { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 16px; padding: 13px 18px; border-bottom: 1px solid var(--border-soft); }
.set-row:last-child { border-bottom: 0; }
.set-row .sr-label { font-size: 13.5px; font-weight: 500; }
.set-row .sr-desc { font-size: 12px; color: var(--fg-3); margin-top: 2px; }
.set-row .sr-control { display: flex; align-items: center; gap: 8px; min-width: 200px; justify-content: flex-end; }
.set-reset { color: var(--fg-3); background: none; border: 0; cursor: pointer; font-size: 14px; padding: 4px; border-radius: var(--r-1); }
.set-reset:hover { color: var(--accent); background: var(--hover); }

/* ============================================================ server cards */
.server-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-3); padding: 16px 18px; }
.server-card .sv-head { display: flex; align-items: center; gap: 11px; margin-bottom: 12px; }
.server-card .sv-ic { width: 34px; height: 34px; border-radius: var(--r-2); background: var(--hover-strong); color: var(--fg-2); display: inline-flex; align-items: center; justify-content: center; font-size: 16px; }
.server-card .sv-name { font-weight: 700; font-size: 14.5px; }
.server-card .sv-addr { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.kv { display: grid; grid-template-columns: 110px 1fr; gap: 4px 12px; font-size: 13px; }
.kv dt { color: var(--fg-3); font-family: var(--font-mono); font-size: 11.5px; }
.kv dd { margin: 0; color: var(--fg); }

/* stepper */
.stepper { display: flex; align-items: center; gap: 0; margin-bottom: 22px; }
.stepper .step { display: flex; align-items: center; gap: 9px; color: var(--fg-3); font-size: 13px; font-weight: 600; }
.stepper .step .num { width: 26px; height: 26px; border-radius: 50%; border: 1.5px solid var(--border); display: inline-flex; align-items: center; justify-content: center; font-family: var(--font-mono); font-size: 12px; }
.stepper .step.active { color: var(--fg); }
.stepper .step.active .num { background: var(--accent); border-color: var(--accent); color: #2a160d; }
.stepper .step.done .num { background: var(--ok); border-color: var(--ok); color: #fff; }
.stepper .line { flex: 1; height: 1.5px; background: var(--border); margin: 0 14px; min-width: 30px; }

/* ============================================================= rule cards */
.rule-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-3); padding: 15px 17px; }
.rule-card .rc-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.rule-card .rc-name { font-weight: 700; font-size: 14.5px; }
.rule-card .rc-meta { font-family: var(--font-mono); font-size: 11px; color: var(--fg-3); }
.rule-logic { font-family: var(--font-mono); font-size: 12.5px; line-height: 1.7; background: var(--surface-sunk); border: 1px solid var(--border-soft); border-radius: var(--r-2); padding: 11px 13px; color: var(--fg-2); }
.rule-logic .kw { color: var(--accent); font-weight: 600; }
.rule-logic .val { color: var(--fg); background: var(--hover-strong); padding: 1px 5px; border-radius: var(--r-1); }
.rule-logic .fld { color: var(--teal-soft); }

/* =============================================================== message view */
.msg-head { padding: 4px 0 18px; border-bottom: 1px solid var(--border); }
.msg-subject { font-size: 23px; font-weight: 800; letter-spacing: -.025em; line-height: 1.2; display: flex; align-items: flex-start; gap: 10px; }
.msg-subject .star { color: var(--accent); font-size: 19px; margin-top: 3px; }
.msg-meta-line { display: flex; align-items: center; gap: 12px; margin-top: 14px; }
.msg-from-av { width: 40px; height: 40px; border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: 15px; flex: 0 0 auto; }
.msg-from-name { font-weight: 700; font-size: 14.5px; }
.msg-from-addr { font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); }
.msg-date-rel { margin-left: auto; font-family: var(--font-mono); font-size: 12px; color: var(--fg-3); text-align: right; }
.msg-headers { font-size: 13px; margin-top: 14px; display: grid; grid-template-columns: 70px 1fr; gap: 5px 12px; }
.msg-headers dt { color: var(--fg-3); }
.msg-headers dd { margin: 0; color: var(--fg-2); }
.msg-actions { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 14px 0; border-bottom: 1px solid var(--border); position: sticky; top: 0; background: var(--content-bg); z-index: 5; }
.msg-body { padding: 22px 0; font-size: 15px; line-height: 1.7; color: var(--fg); max-width: 720px; }
.msg-body p { margin: 0 0 16px; }
.blocked-img { background: var(--warn-tint); border: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); border-radius: var(--r-2); padding: 10px 13px; display: flex; align-items: center; gap: 11px; font-size: 13px; margin-bottom: 18px; }

/* source view */
.source-pre { font-family: var(--font-mono); font-size: 12.5px; line-height: 1.65; background: var(--surface-sunk); border: 1px solid var(--border); border-radius: var(--r-2); padding: 16px; color: var(--fg-2); overflow-x: auto; white-space: pre-wrap; word-break: break-word; }
.source-pre .hk { color: var(--accent); }

/* ============================================================= offline bar */
.offline-bar { display: none; align-items: center; gap: 9px; padding: 8px 18px; background: var(--warn-tint); color: var(--warn); font-size: 12.5px; font-weight: 600; border-bottom: 1px solid color-mix(in srgb, var(--warn) 30%, transparent); }
body.is-offline .offline-bar { display: flex; }

/* ============================================================= mobile */
.scrim { display: none; position: fixed; inset: 0; background: rgba(14,10,8,.42); z-index: 1040; }
@media (max-width: 991px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: 0; top: 0; bottom: 0; width: 300px; z-index: 1050; transform: translateX(-100%); transition: transform .26s var(--ease); box-shadow: var(--shadow-pop); }
  body.nav-open .sidebar { transform: none; }
  body.nav-open .scrim { display: block; }
  .burger { display: inline-flex; }
}

/* mobile "news" style message rows */
@media (max-width: 767px) {
  .msg-row { grid-template-columns: 1fr auto; grid-template-areas: "from date" "subj subj"; gap: 3px 10px; padding: 12px 16px; }
  .msg-row .m-check, .msg-row .m-src { display: none; }
  .msg-row.sel-mode .m-check { display: flex; grid-area: check; }
  .msg-row .m-from { grid-area: from; }
  .msg-row .m-date { grid-area: date; }
  .msg-row .m-subj { grid-area: subj; }
  .msg-row .m-flags { display: none; }
  .msg-row.unread::after { left: 6px; }
  .content-pad { padding: 16px; }
  .settings-grid { grid-template-columns: 1fr; }
  .settings-nav { flex-direction: row; overflow-x: auto; position: static; }
  .cards-grid { grid-template-columns: 1fr; }
  .topbar .title .sub { display: none; }
  .msg-meta-line { flex-wrap: wrap; }
  .set-row { grid-template-columns: 1fr; }
  .set-row .sr-control { justify-content: flex-start; }
}

/* desktop: keep burger hidden */
@media (min-width: 992px) { .burger { display: none !important; } }

/* ================================================== PWA cards + toasts */
/* Bottom sheet used by pwa.js for the "install the app" pitch and the
   notification opt-in. One at a time, dismissible, remembers dismissal.
   Sits above the mobile sidebar (z 1050) so it is never covered. */
.hp-pwa-card {
  position: fixed; z-index: 1080;
  left: 16px; right: 16px; bottom: 16px;
  display: flex; gap: 14px; align-items: flex-start;
  padding: 16px 18px;
  background: var(--surface); color: var(--fg);
  border: 1px solid var(--border-soft); border-radius: var(--r-4);
  box-shadow: var(--shadow-pop);
  transform: translateY(140%); opacity: 0;
  transition: transform .3s var(--ease, ease), opacity .3s var(--ease, ease);
}
.hp-pwa-card.show { transform: none; opacity: 1; }
.hp-pwa-ic {
  flex: 0 0 auto; width: 40px; height: 40px; border-radius: 11px;
  display: flex; align-items: center; justify-content: center;
  background: var(--accent); color: #fff; font-size: 19px;
}
.hp-pwa-txt { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.hp-pwa-txt strong { font-size: 15px; font-weight: 700; }
.hp-pwa-txt span { font-size: 13.5px; line-height: 1.5; color: var(--fg-2); }
.hp-pwa-act { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }

@media (min-width: 640px) {
  .hp-pwa-card { left: auto; right: 22px; bottom: 22px; max-width: 400px; }
}

/* Toast used by sse.js (new mail) and pwa.js (notifications enabled). */
.hp-toast {
  position: fixed; z-index: 1080;
  left: 16px; right: 16px; bottom: 16px;
  display: flex; gap: 10px; align-items: center;
  padding: 12px 16px; font-size: 14px;
  background: var(--surface); color: var(--fg);
  border: 1px solid var(--border-soft); border-radius: 12px;
  box-shadow: var(--shadow-pop);
  transform: translateY(140%); opacity: 0;
  transition: transform .3s var(--ease, ease), opacity .3s var(--ease, ease);
}
.hp-toast.show { transform: none; opacity: 1; }
.hp-toast > i { color: var(--accent); font-size: 16px; flex: 0 0 auto; }
.hp-toast > span { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hp-toast > a { flex: 0 0 auto; font-weight: 600; color: var(--accent); }
/* A card and a toast at the same time would overlap — lift the toast. */
.hp-pwa-card.show ~ .hp-toast { bottom: 116px; }

@media (min-width: 640px) {
  .hp-toast { left: auto; right: 22px; bottom: 22px; max-width: 420px; }
}