.room-shell {
  display: grid;
  gap: 0.75rem;
  align-items: start;
}

.settings-pill {
  display: inline-flex;
  padding: 0.28rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 0.78rem;
}

.toolbar-pair-grid {
  display: grid;
  gap: 0.5rem;
  grid-template-columns: 1fr;
}

.toolbar-group {
  display: grid;
  gap: 0.25rem;
}

.toolbar-group-actions {
  justify-items: start;
}

.toolbar-label {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.toolbar-label-group {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.toolbar-group-retention {
  align-items: start;
}

.toolbar-retention-form {
  display: grid;
  grid-template-columns: minmax(12rem, 16rem) auto auto;
  gap: 0.45rem;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-width: 0;
}

.toolbar-input {
  min-width: 0;
}

.toolbar-retention-form .toolbar-input {
  width: auto;
}

.toolbar-retention-form .select-input.toolbar-input,
.toolbar-retention-form select.toolbar-input {
  width: 100%;
  min-width: 0;
}

.toolbar-input-small {
  width: 5.4rem;
  min-width: 0;
}

.retention-inline-group {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  min-width: 0;
}

.toolbar-unit {
  font-size: 0.88rem;
  color: var(--muted);
  white-space: nowrap;
}

.toolbar-unit-forever {
  white-space: normal;
}

.help-badge {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--input-bg);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  line-height: 1;
  cursor: help;
}

.help-popover {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  z-index: 120;
  width: 14rem;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--help-bg);
  box-shadow: var(--shadow-soft);
  color: var(--ink);
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.35;
  text-transform: none;
  letter-spacing: normal;
  white-space: normal;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 120ms ease;
}

.help-badge:hover .help-popover,
.help-badge:focus .help-popover,
.help-badge:focus-within .help-popover {
  opacity: 1;
  visibility: visible;
}

.utility-card {
  display: grid;
  gap: 0.5rem;
}

.utility-card-centered {
  justify-items: start;
  max-width: 34rem;
}

.utility-card-centered h1 {
  margin: 0;
  font-size: clamp(1.4rem, 4vw, 2rem);
  line-height: 1.05;
  letter-spacing: -0.035em;
}

.utility-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 0.25rem;
}

.invite-preview-card {
  max-width: 38rem;
  gap: 0.7rem;
}

.invite-preview-card h1 {
  margin: 0;
  font-size: clamp(1.2rem, 2.5vw, 1.8rem);
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.invite-preview-grid {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.invite-preview-item {
  display: grid;
  gap: 0.24rem;
}

.invite-preview-form {
  max-width: 22rem;
}

.chat-room-layout {
  display: grid;
  gap: 0.65rem;
}

.chat-card {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  gap: 0;
  height: min(72vh, 620px);
  width: 100%;
  padding: 0;
  overflow: visible;
  background: var(--chat-bg);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-strong);
}

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  min-height: 2.8rem;
  padding: 0.2rem 0.75rem 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
}

.chat-header > .chat-actions {
  flex: 0 0 auto;
}

.chat-header__main {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
  flex: 1 1 auto;
}

.chat-header__status {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.chat-header__link-slot {
  min-width: 0;
  flex: 1 1 auto;
}

.chat-header__link-bar {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 0.45rem;
  align-items: center;
  width: 100%;
  max-width: 40rem;
  margin-left: auto;
  padding: 0.34rem 0.45rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--panel-strong) 94%, transparent);
}

.chat-header__link-label {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  white-space: nowrap;
}

.chat-header__link-input {
  min-width: 0;
  width: 100%;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: 0.9rem;
  padding: 0;
  outline: none;
}

.chat-header__identity {
  font-size: 0.95rem;
  color: var(--muted);
}

.form-note {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.room-pill {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  padding: 0.24rem 0.45rem;
  color: var(--muted);
  text-transform: capitalize;
  background: color-mix(in srgb, var(--accent-soft) 55%, var(--panel));
  font-size: 0.88rem;
}

.chat-menu {
  position: relative;
}

.chat-menu[open] .chat-menu__trigger {
  background: var(--accent-soft);
}

.chat-menu__trigger {
  list-style: none;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.18rem;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: var(--input-bg);
  cursor: pointer;
}

.chat-menu__trigger::-webkit-details-marker {
  display: none;
}

.chat-menu__trigger span {
  display: block;
  width: 0.9rem;
  height: 2px;
  margin: 0 auto;
  border-radius: var(--radius-pill);
  background: var(--ink);
}

.chat-menu__panel {
  position: absolute;
  right: 0;
  top: calc(100% + 0.45rem);
  z-index: 80;
  width: min(42rem, calc(100vw - 2rem));
  display: grid;
  gap: 0.5rem;
  padding: 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--menu-bg);
  box-shadow: var(--shadow-strong);
}

.chat-transcript {
  position: relative;
  min-height: 0;
  overflow: hidden;
  padding: 0.25rem 0;
}

.chat-confirm-modal {
  width: min(24rem, calc(100vw - 2rem));
  padding: 0;
  border: 0;
  border-radius: var(--radius-surface);
  background: transparent;
  box-shadow: none;
}

.chat-confirm-modal::backdrop {
  background: rgba(11, 19, 43, 0.46);
  backdrop-filter: blur(2px);
}

.chat-confirm-modal__card {
  display: grid;
  gap: 0.9rem;
  margin: 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: var(--panel);
  box-shadow: var(--shadow-strong);
}

.chat-confirm-modal__title,
.chat-confirm-modal__message {
  margin: 0;
}

.chat-confirm-modal__title {
  font-size: 1.05rem;
  line-height: 1.15;
}

.chat-confirm-modal__message {
  color: var(--muted);
  line-height: 1.45;
}

.chat-confirm-modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.55rem;
  flex-wrap: wrap;
}

.message-list {
  list-style: none;
  margin: 0;
  padding: 0 0.75rem;
  height: 100%;
  min-height: 0;
  overflow-y: auto;
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.message-row {
  display: grid;
  gap: 0.12rem;
  width: min(74%, 30rem);
  padding: 0.08rem 0;
}

.message-shell {
  display: grid;
  gap: 0.14rem;
  padding: 0.45rem 0.55rem;
  border-radius: var(--radius-surface);
  background: var(--remote-bg);
  border: 1px solid var(--line);
}

.message-meta {
  display: flex;
  gap: 0.45rem;
  align-items: baseline;
  color: var(--muted);
  font-size: 0.82rem;
}

.message-row-remote {
  justify-self: start;
  text-align: left;
}

.message-row-local {
  justify-self: end;
  text-align: right;
}

.message-row-local .message-meta {
  justify-content: flex-end;
}

.message-row-local .message-shell {
  background: var(--local-bg);
  border-color: color-mix(in srgb, var(--link) 42%, var(--line));
}

.message-row-system {
  justify-self: center;
  width: min(92%, 34rem);
  text-align: center;
}

.message-row-system .message-shell {
  display: inline-grid;
  background: color-mix(in srgb, var(--accent-soft) 64%, var(--panel));
  border-color: color-mix(in srgb, var(--accent) 30%, var(--line));
}

.message-row-system .message-body {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 650;
}

.message-body {
  line-height: 1.35;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 1rem;
}

.chat-composer {
  display: grid;
  gap: 0.2rem;
  padding: 0.55rem 0.75rem 0.65rem;
  border-top: 1px solid var(--line);
  background: var(--composer-bg);
}

.composer-footer {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 0.5rem;
}

.composer-footer textarea {
  flex: 1;
}

.chat-send {
  flex: 0 0 auto;
  min-width: 4.4rem;
  padding: 0.52rem 0.7rem;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 0.75rem;
  width: 100%;
  max-width: 100%;
  color: var(--muted);
  font-size: 1rem;
  text-align: center;
  white-space: normal;
  word-break: break-word;
  pointer-events: none;
}

.empty-state.is-hidden {
  display: none;
}

.button-copy {
  min-width: 4.8rem;
  padding: 0.48rem 0.62rem;
  font-size: 0.82rem;
}

.chat-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: flex-start;
}

.chat-actions form {
  margin: 0;
  display: flex;
  align-items: flex-start;
}

.report-disclosure {
  position: relative;
  display: inline-flex;
  align-items: flex-start;
  align-self: flex-start;
}

.report-disclosure[open] {
  z-index: 3;
}

.report-disclosure__summary {
  list-style: none;
}

.report-disclosure__summary::-webkit-details-marker {
  display: none;
}

.report-disclosure[open] .report-disclosure__summary {
  border-color: color-mix(in srgb, var(--link) 30%, var(--line));
  background: color-mix(in srgb, var(--accent-soft) 48%, var(--panel));
}

.report-form {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 0.4rem;
  align-items: center;
  padding: 0.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-surface);
  background: color-mix(in srgb, var(--panel) 98%, transparent);
  box-shadow: var(--shadow-strong);
  white-space: nowrap;
}

.report-form select {
  min-width: 8.75rem;
  width: auto;
  height: 2.12rem;
  min-height: 2.12rem;
  padding-top: 0;
  padding-bottom: 0;
}

.chat-actions .button-compact {
  min-height: 2.12rem;
}

.chat-details-card {
  padding: 0.65rem;
  box-shadow: var(--shadow-soft);
}

@media (max-width: 640px) {
  .toolbar-pair-grid,
  .chat-menu__panel {
    grid-template-columns: 1fr;
  }

  .invite-preview-grid {
    grid-template-columns: 1fr;
  }

  .toolbar-retention-form {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    align-items: stretch;
    width: 100%;
    gap: 0.45rem;
  }

  .toolbar-retention-form > * {
    min-width: 0;
  }

  .toolbar-retention-form .toolbar-input,
  .toolbar-retention-form .button {
    width: 100%;
  }

  .toolbar-retention-form .retention-inline-group {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.45rem;
  }

  .toolbar-retention-form [data-retention-detail="forever"] {
    padding-left: 0.15rem;
  }

  .chat-header {
    position: relative;
    align-items: stretch;
    flex-direction: column;
    gap: 0.45rem;
    padding-bottom: 0.45rem;
  }

  .chat-header__main {
    flex-direction: column;
    align-items: stretch;
  }

  .chat-header__link-bar {
    max-width: none;
    margin-left: 0;
  }

  .chat-menu {
    position: static;
  }

  .chat-menu__trigger {
    position: absolute;
    top: 0.2rem;
    right: 0.75rem;
  }

  .chat-header:has(.chat-menu) .chat-header__main {
    padding-right: 2.9rem;
  }

  .chat-header > .chat-actions {
    width: 100%;
  }

  .chat-header > .chat-actions .button {
    min-height: 2.4rem;
  }

  .chat-card {
    height: min(82vh, 700px);
  }

  .message-row {
    width: min(90%, 34rem);
  }

  .report-form {
    flex-wrap: wrap;
    max-width: min(18rem, calc(100vw - 3rem));
    white-space: normal;
  }

  .chat-menu__panel {
    position: absolute;
    top: calc(100% + 0.45rem);
    right: 0.75rem;
    left: 0.75rem;
    width: auto;
    max-width: none;
    overflow-x: hidden;
  }
}