/*
 * Person Thread view — per-view CSS (slice 3 of comms+network redesign).
 *
 * Bespoke `.pth-*` namespace. 3-pane CSS-grid at desktop; stacks below 768px.
 * Mirrors the finance-aligned design language already in inbox.css / messages.css.
 *
 * Spec: .claude/specs/comms-network-person-thread/requirements.md
 *       pwa/docs/comms-network-spec.md frame 02.
 */

/* ── Shell ────────────────────────────────────────────────────────── */
.pth-shell {
  display: grid;
  grid-template-columns: 280px 1fr 368px;
  height: 100%;
  background: var(--color-surface);
  color: var(--color-on-surface);
  overflow: hidden;
  font-family: 'Inter', system-ui, sans-serif;
}

@media (max-width: 768px) {
  .pth-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto;
    height: auto;
  }
}

.pth-pane {
  border-right: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  flex-direction: column;
  min-height: 0;
  min-width: 0;
}
.pth-pane:last-child { border-right: none; }

.pth-pane-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  min-height: 48px;
  background: var(--color-surface);
}
.pth-pane-title {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--color-on-surface);
}
.pth-pane-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  -webkit-overflow-scrolling: touch;
  min-height: 0;
}

/* ── Left pane (thread list) ─────────────────────────────────────── */
.pth-search-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-md, 8px);
  background: rgba(255, 255, 255, 0.04);
}
.pth-search-wrap .material-symbols-outlined {
  font-size: 16px;
  color: var(--color-on-surface-variant);
}
.pth-search {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--color-on-surface);
  font-size: 13px;
  font-family: inherit;
  outline: none;
  min-width: 0;
}
.pth-search::placeholder { color: var(--color-on-surface-variant); }

.pth-thread-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 10px;
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  cursor: pointer;
  background: transparent;
  border-left: 3px solid transparent;
  border-right: 0;
  border-top: 0;
  width: 100%;
  text-align: left;
  font-family: inherit;
  color: var(--color-on-surface);
  transition: background-color 0.12s ease;
}
.pth-thread-row:hover { background: rgba(255, 255, 255, 0.04); }
.pth-thread-row.active {
  background: rgba(255, 255, 255, 0.06);
  border-left-color: var(--color-primary);
}
.pth-thread-avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--color-primary) 25%, var(--color-surface-container, #1e2236));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 13px;
  font-weight: 600;
}
.pth-thread-main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.pth-thread-name {
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pth-thread-preview {
  font-size: 12px;
  color: var(--color-on-surface-variant);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pth-thread-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-top: 2px;
}
.pth-thread-time {
  font-size: 11px;
  color: var(--color-on-surface-variant);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.pth-thread-empty {
  padding: 40px 24px;
  text-align: center;
  color: var(--color-on-surface-variant);
  font-size: 13px;
}

/* ── Center pane (conversation + composer) ───────────────────────── */
.pth-center-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: var(--color-surface);
  position: sticky;
  top: 0;
  z-index: 2;
}
.pth-center-avatar {
  width: 36px;
  height: 36px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--color-primary) 30%, var(--color-surface-container, #1e2236));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 14px;
  font-weight: 600;
}
.pth-center-headline {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.pth-center-name {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-on-surface);
}
.pth-center-sub {
  font-size: 11px;
  color: var(--color-on-surface-variant);
}
.pth-center-head-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.pth-center-body {
  flex: 1;
  overflow-y: auto;
  overscroll-behavior-y: contain;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 0;
}

.pth-day-divider {
  align-self: center;
  padding: 4px 10px;
  margin: 8px 0 4px;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
}

.pth-bubble {
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-width: 70%;
  padding: 10px 14px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--color-on-surface);
}
.pth-bubble.in { align-self: flex-start; border-top-left-radius: 4px; }
.pth-bubble.out {
  align-self: flex-end;
  background: color-mix(in oklab, var(--color-primary) 28%, transparent);
  border-top-right-radius: 4px;
}
.pth-bubble-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--color-on-surface-variant);
}
.pth-bubble-body {
  font-size: 13px;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
}

.pth-empty {
  padding: 40px 24px;
  text-align: center;
  color: var(--color-on-surface-variant);
  font-size: 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.pth-empty .material-symbols-outlined { font-size: 40px; opacity: 0.6; }
.pth-empty-action {
  margin-top: 8px;
  padding: 8px 14px;
  border-radius: var(--radius-pill, 999px);
  background: var(--color-primary);
  color: var(--color-on-primary, #ffffff);
  border: 0;
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}

/* ── Composer ────────────────────────────────────────────────────── */
.pth-composer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--color-surface);
}
.pth-composer-picker {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}
.pth-composer-picker-label {
  font-size: 11px;
  color: var(--color-on-surface-variant);
  margin-right: 4px;
}
.pth-composer-input {
  width: 100%;
  min-height: 64px;
  padding: 10px 12px;
  border-radius: var(--radius-md, 8px);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-on-surface);
  font-family: inherit;
  font-size: 13px;
  line-height: 1.5;
  resize: vertical;
  outline: none;
}
.pth-composer-input:focus { border-color: var(--color-primary); }
.pth-composer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}
.pth-composer-action {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-pill, 999px);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-on-surface);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
}
.pth-composer-action:hover { background: rgba(255, 255, 255, 0.08); }
.pth-composer-action.primary {
  background: var(--color-primary);
  color: var(--color-on-primary, #ffffff);
  border-color: var(--color-primary);
  margin-left: auto;
}
.pth-composer-action.primary:hover {
  background: color-mix(in oklab, var(--color-primary) 88%, white 12%);
}
.pth-composer-action .material-symbols-outlined { font-size: 16px; }

/* ── Right pane (Person card) ────────────────────────────────────── */
.pth-person-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.pth-person-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.pth-person-avatar {
  width: 64px;
  height: 64px;
  border-radius: 999px;
  background: color-mix(in oklab, var(--color-primary) 30%, var(--color-surface-container, #1e2236));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 20px;
  font-weight: 600;
}
.pth-person-name {
  font-family: 'Manrope', system-ui, sans-serif;
  font-size: 16px;
  font-weight: 700;
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  color: var(--color-on-surface);
}
.pth-person-name:hover { text-decoration: underline; }
.pth-person-sub {
  font-size: 12px;
  color: var(--color-on-surface-variant);
}
.pth-person-pills {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}
.pth-person-plan-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-pill, 999px);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-on-surface);
  font-family: inherit;
  font-size: 11px;
  cursor: pointer;
}
.pth-person-plan-btn .material-symbols-outlined { font-size: 14px; }

.pth-stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}
.pth-stat {
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md, 8px);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.pth-stat-label {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}
.pth-stat-value {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--color-on-surface);
}
.pth-stat-value.tone-good { color: var(--color-success); }
.pth-stat-value.tone-warn { color: var(--color-warning); }
.pth-stat-value.tone-bad  { color: var(--color-error); }
.pth-stat-value.tone-quiet { color: var(--color-on-surface-variant); }

.pth-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.pth-section-label {
  font-family: 'Space Grotesk', system-ui, sans-serif;
  font-size: 10px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
}
.pth-channels-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pth-action-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-md, 8px);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid transparent;
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  color: var(--color-on-surface);
  width: 100%;
}
.pth-action-row:hover { border-color: rgba(255, 255, 255, 0.08); }
.pth-action-row .material-symbols-outlined { font-size: 14px; color: var(--color-on-surface-variant); margin-left: auto; }
.pth-action-label {
  font-size: 13px;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pth-action-due {
  font-size: 11px;
  color: var(--color-on-surface-variant);
  font-variant-numeric: tabular-nums;
}

.pth-open-contact-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: var(--radius-md, 8px);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--color-on-surface);
  font-family: inherit;
  font-size: 12px;
  cursor: pointer;
  align-self: flex-start;
}
.pth-open-contact-btn:hover { background: rgba(255, 255, 255, 0.08); }
.pth-open-contact-btn .material-symbols-outlined { font-size: 14px; }