.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--zk-tint);
}

/* ── Top bar ───────────────────────────────────────────────── */
.shell__top {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 66px;
  padding: 0 28px;
  background: rgba(255, 255, 255, 0.86);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--zk-line);
  box-shadow: var(--sh-xs);
}

.shell__brand {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.shell__brand img {
  height: 30px;
  width: auto;
  display: block;
}

.shell__brandtext {
  display: flex;
  flex-direction: column;
  gap: 1px;
  line-height: 1.2;
  padding-left: 16px;
  border-left: 1px solid var(--zk-line);
}

.shell__brandtext strong {
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  color: var(--zk-ink);
}

.shell__brandtext span {
  font-size: 0.7rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--zk-grey);
}

/* ── Body ──────────────────────────────────────────────────── */
.shell__body {
  display: flex;
  flex: 1;
  min-height: 0;
  align-items: stretch;
}

.shell__nav {
  position: sticky;
  top: 66px;
  align-self: flex-start;
  width: 264px;
  flex: none;
  min-height: calc(100vh - 66px);
  max-height: calc(100vh - 66px);
  overflow-y: auto;
  overscroll-behavior: contain;
  background: var(--zk-white);
  border-right: 1px solid var(--zk-line);
  padding: 20px 14px 32px;
  display: flex;
  flex-direction: column;
}

.shell__navlabel {
  margin: 0 0 10px;
  padding: 0 10px;
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--zk-grey);
}

.shell__group + .shell__group {
  margin-top: 22px;
}

/* The stage list is drawn as a rail with a node per state: the sidebar should
   look like the pipeline it represents, not like a list of links. */
.shell__stages {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.shell__stages::before {
  content: '';
  position: absolute;
  left: 17px;
  top: 18px;
  bottom: 18px;
  width: 2px;
  border-radius: var(--r-pill);
  background: linear-gradient(180deg, var(--zk-line) 0%, var(--zk-line-soft) 100%);
}

.shell__stage {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px 9px 38px;
  border-radius: var(--r-md);
  text-decoration: none;
  color: var(--zk-muted);
  font-size: 0.845rem;
  transition: background var(--t-fast), color var(--t-fast), transform var(--t-fast);
}

.shell__stage::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 50%;
  width: 12px;
  height: 12px;
  margin-top: -6px;
  border-radius: 50%;
  background: var(--zk-white);
  border: 2px solid var(--zk-line);
  transition: border-color var(--t-fast), background var(--t-fast), box-shadow var(--t-fast);
}

.shell__stage:hover {
  background: var(--zk-tint);
  color: var(--zk-ink);
}

.shell__stage:hover::before {
  border-color: var(--zk-blue-light);
}

.shell__stage.is-active {
  background: var(--zk-tint-blue);
  color: var(--zk-blue-dark);
  font-weight: 500;
}

.shell__stage.is-active::before {
  background: var(--zk-blue);
  border-color: var(--zk-blue);
  box-shadow: 0 0 0 4px rgba(33, 103, 174, 0.14);
}

/* Queues where the machine stops and a person decides. */
.shell__stage.is-needed .shell__stagename {
  font-weight: 500;
  color: var(--zk-ink);
}

.shell__stage.is-needed.is-active .shell__stagename {
  color: var(--zk-blue-dark);
}

/* Stage names wrap rather than truncate: "Referred to Underwriting" is the one
   queue a person has to find, and it is also the longest label. */
.shell__stagename {
  min-width: 0;
  line-height: 1.35;
}

.shell__main {
  flex: 1;
  min-width: 0;
  width: 100%;
  max-width: 1460px;
  margin: 0 auto;
  padding: 30px 34px 76px;
  animation: zk-rise 0.28s var(--ease) both;
}

/* ── Narrow viewports: the rail lies down and scrolls ──────── */
@media (max-width: 900px) {
  .shell__body {
    flex-direction: column;
  }

  .shell__nav {
    position: static;
    width: 100%;
    min-height: 0;
    max-height: none;
    border-right: 0;
    border-bottom: 1px solid var(--zk-line);
    padding: 14px 16px 16px;
  }

  .shell__stages {
    flex-direction: row;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  /* Laid out horizontally the stages are a scrolling strip of pills, and a rail
     behind them would just be a line struck through the row. */
  .shell__stages::before {
    display: none;
  }

  .shell__stage {
    padding: 8px 14px;
    white-space: nowrap;
    background: var(--zk-white);
    border: 1px solid var(--zk-line);
  }

  .shell__stage::before {
    display: none;
  }

  .shell__main {
    padding: 22px 18px 56px;
  }
}

/* The way back to the overview. It sits above "Add a lead" because reading
   the book is the commoner act — most sessions start by looking, not filing. */
.shell__today {
  display: block;
  margin: 0 0 8px;
  padding: 9px 12px;
  border-radius: var(--r-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--zk-ink);
  text-decoration: none;
  transition: background .12s, color .12s;
}
.shell__today:hover { background: var(--zk-tint); }
.shell__today.is-active { background: var(--zk-tint-blue); color: var(--zk-blue-dark); }

/* ── Queue tallies ─────────────────────────────────────────────────────────
   Three numbers, deliberately unequal in weight, because they are unequal in
   importance: what needs YOU, what an agent holds, and whether anything in
   there is about to lapse. */
.shell__tally {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: none;
}

/* What is waiting on a person. The only figure with full contrast. */
.shell__n {
  min-width: 20px;
  padding: 1px 6px;
  border-radius: var(--r-pill);
  text-align: center;
  font-size: 0.74rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--zk-blue-dark);
  background: var(--zk-tint-blue);
}

/* Zero is shown, not hidden. "Nothing here" is an answer, and a queue that
   disappears when it empties makes the sidebar move under the cursor. */
.shell__n.is-zero {
  color: var(--zk-grey);
  background: transparent;
  font-weight: 400;
}

/* What an agent is carrying. Present, quiet, and never added to the badge —
   it is in the queue, it is not your work. */
.shell__auto {
  font-style: normal;
  font-size: 0.7rem;
  font-variant-numeric: tabular-nums;
  color: var(--zk-blue-mid);
}
.shell__auto::after {
  content: '·';
  margin-left: 5px;
  color: var(--zk-line);
}

/* A renewal inside a week sitting in this queue. */
.shell__urgent {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--zk-amber);
  flex: none;
}

.shell__stage.is-empty { color: var(--zk-grey); }
.shell__stage.is-empty::before { border-color: var(--zk-line-soft); }
.shell__stage.is-empty.is-needed .shell__stagename { color: var(--zk-muted); font-weight: 400; }

/* The one number worth carrying on a group heading: everything this role has
   to clear, across its queues. */
.shell__navlabel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.shell__grouptally {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  color: var(--zk-white);
  background: var(--zk-blue);
  border-radius: var(--r-pill);
  padding: 1px 7px;
}

/* ── Closed, folded ───────────────────────────────────────────────────────
   Three of the twelve queues, opened about once a week. */
.shell__closed { margin-top: 22px; }

.shell__closed > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  padding: 0 10px 10px;
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--zk-grey);
}
.shell__closed > summary::-webkit-details-marker { display: none; }
.shell__closed > summary:hover { color: var(--zk-muted); }
.shell__closed > summary b {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  color: var(--zk-grey);
}
.shell__closed > summary::after {
  content: '';
  order: -1;
  width: 5px; height: 5px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
  transition: transform var(--t-fast);
}
.shell__closed[open] > summary::after { transform: rotate(45deg); }