/* Relay — page layout only (tokens, zero radius). Component styling comes from vanilla.css. */

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
}

.relay-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ── Shell: rail | channels | main | members ─────────────────────────────── */

.relay {
  --relay-rail-w: var(--ss-s-16);
  --relay-members-w: calc(var(--ss-s-16) * 4);

  display: grid;
  grid-template-columns: var(--relay-rail-w) var(--ss-side-w) minmax(0, 1fr) var(--relay-members-w);
  height: 100vh;
  height: 100dvh;
}

/* ── Server rail ─────────────────────────────────────────────────────────── */

.relay-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--ss-s-2);
  padding: var(--ss-s-2) 0;
  background: var(--ss-bg-elev);
  border-right: 1px solid var(--ss-line);
  overflow-y: auto;
}

.relay-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: var(--ss-s-9);
  height: var(--ss-s-9);
  margin-bottom: var(--ss-s-1);
  font: 700 var(--ss-size-h3) var(--ss-font-display, var(--ss-font-mono));
  color: var(--ss-fg-on-primary);
  background: var(--ss-primary);
  text-decoration: none;
}

.relay-brand:focus-visible {
  outline: 2px solid var(--ss-fg);
  outline-offset: 2px;
}

.relay-servers {
  display: flex;
  flex-direction: column;
  gap: var(--ss-s-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.relay-server {
  display: block;
  margin: 0;
  padding: var(--ss-s-1);
  border: 0;
  border-left: 2px solid transparent;
  background: none;
  cursor: pointer;
  transition: border-color var(--ss-dur-fast) var(--ss-ease);
}

.relay-server:hover,
.relay-server[aria-current='true'] {
  border-left-color: var(--ss-primary);
}

.relay-server:focus-visible {
  outline: 2px solid var(--ss-primary);
  outline-offset: 2px;
}

.relay-rail-tail {
  margin-top: auto;
}

/* ── Channel sidebar ─────────────────────────────────────────────────────── */

.relay-channels {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--ss-bg);
}

.relay-ws {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--ss-s-2);
  padding: var(--ss-s-3) var(--ss-s-4);
  border-bottom: 1px solid var(--ss-line);
  border-right: 1px solid var(--ss-line);
}

.relay-ws-name {
  font: 600 var(--ss-ui-md) var(--ss-font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relay-channels .ss-side {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
}

.relay-me {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--ss-s-2);
  padding: var(--ss-s-2) var(--ss-s-3);
  border-top: 1px solid var(--ss-line);
  border-right: 1px solid var(--ss-line);
  background: var(--ss-bg-elev);
}

.relay-me-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.relay-me-name {
  font: 600 var(--ss-ui-sm) var(--ss-font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relay-me-handle {
  font-size: var(--ss-size-xs);
  color: var(--ss-fg-faint);
}

/* ── Main column ─────────────────────────────────────────────────────────── */

.relay-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  grid-template-rows: auto minmax(0, 1fr) auto;
  min-width: 0;
  min-height: 0;
}

.relay-chan {
  display: flex;
  align-items: center;
  gap: var(--ss-gap-sm);
  padding: var(--ss-s-2) var(--ss-s-4);
  border-bottom: 1px solid var(--ss-line);
  background: var(--ss-bg-elev);
}

.relay-chan .relay-nav-toggle {
  display: none;
}

.relay-chan-name {
  margin: 0;
  font-size: var(--ss-size-h3);
  line-height: 1.2;
  white-space: nowrap;
}

.relay-topic {
  flex: 1 1 auto;
  min-width: 0;
  margin: 0;
  padding-left: var(--ss-s-3);
  border-left: 1px solid var(--ss-line);
  font-size: var(--ss-size-sm);
  color: var(--ss-fg-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relay-search {
  flex: 0 0 auto;
  width: calc(var(--ss-s-16) * 3.5);
}

.relay-search .ss-input {
  width: 100%;
  min-width: 0;
}

/* vanilla.js toggles `hidden` on the clear button, but the component sheet's display rule
   would otherwise win over the attribute (Input.svelte removes the button instead). */
.relay-search .clear[hidden] {
  display: none;
}

/* Count badges in the chrome must stay on one line. */
.relay-ws .ss-badge,
.relay-chan .ss-badge {
  flex: 0 0 auto;
  white-space: nowrap;
}

/* ── Message log ─────────────────────────────────────────────────────────── */

.relay-log {
  overflow-y: auto;
  padding: var(--ss-s-4) var(--ss-s-4) var(--ss-s-2);
  /* Elevated surface: badge washes inside messages keep AA contrast on it in both themes. */
  background: var(--ss-bg-elev);
  scroll-behavior: smooth;
}

/* Scrollable regions are keyboard-focusable (tabindex="0"); show where focus is. */
.relay-log:focus-visible,
.relay-members:focus-visible {
  outline: 2px solid var(--ss-primary);
  outline-offset: -2px;
}

.relay-msgs {
  display: flex;
  flex-direction: column;
  gap: var(--ss-s-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.relay-group {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--ss-s-3);
  align-items: start;
}

.relay-group-body {
  min-width: 0;
}

.relay-group-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--ss-s-2);
}

.relay-author {
  font: 600 var(--ss-ui-md) var(--ss-font-mono);
}

.relay-msgs time {
  font: var(--ss-ui-xs) var(--ss-font-mono);
  color: var(--ss-fg-faint);
}

.relay-msg {
  margin: var(--ss-s-1) 0 0;
  overflow-wrap: anywhere;
}

/* Messages typed into the composer keep their line breaks. */
.relay-msg.relay-live {
  white-space: pre-wrap;
}

.relay-group-body pre {
  margin: var(--ss-s-2) 0 0;
  max-width: 72ch;
  overflow-x: auto;
}

.relay-sys {
  display: flex;
  align-items: center;
  gap: var(--ss-s-2);
  padding-left: calc(var(--ss-avatar-size-md, 36px) + var(--ss-s-3));
  font-size: var(--ss-size-sm);
  color: var(--ss-fg-muted);
}

.relay-divider {
  display: flex;
  align-items: center;
  gap: var(--ss-s-2);
  font: 600 var(--ss-ui-xs) var(--ss-font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ss-danger);
}

.relay-divider::before,
.relay-divider::after {
  content: '';
  flex: 1 1 auto;
  border-top: 1px solid var(--ss-danger);
}

.relay-reactions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--ss-s-1);
  margin: var(--ss-s-2) 0 0;
  padding: 0;
  list-style: none;
}

/* ── Composer ────────────────────────────────────────────────────────────── */

.relay-composer-wrap {
  padding: var(--ss-s-2) var(--ss-s-4) var(--ss-s-3);
  border-top: 1px solid var(--ss-line);
  /* Plain page background: the Kbd key caps' translucent wash must stay AA on this surface. */
  background: var(--ss-bg);
}

.relay-composer {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--ss-s-2);
  margin: 0;
}

.relay-composer-tools {
  display: flex;
  align-items: center;
  gap: var(--ss-s-1);
}

.relay-draft {
  min-width: 0;
}

.relay-hint {
  grid-column: 1 / -1;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--ss-s-2);
  margin: 0;
  font-size: var(--ss-size-xs);
  color: var(--ss-fg-faint);
}

/* ── Members panel ───────────────────────────────────────────────────────── */

.relay-members {
  display: flex;
  flex-direction: column;
  gap: var(--ss-s-5);
  min-height: 0;
  padding: var(--ss-s-4) var(--ss-s-3);
  border-left: 1px solid var(--ss-line);
  background: var(--ss-bg-elev);
  overflow-y: auto;
}

.relay-members h2 {
  margin: 0 0 var(--ss-s-2);
  font: 600 var(--ss-ui-sm) var(--ss-font-mono);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ss-fg-muted);
}

.relay-members h3 {
  margin: var(--ss-s-3) 0 var(--ss-s-1);
  font: 500 var(--ss-ui-xs) var(--ss-font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ss-fg-faint);
}

.relay-member-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.relay-member {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--ss-s-2);
  padding: var(--ss-s-1) 0;
}

.relay-member-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
  line-height: 1.25;
}

.relay-member-name {
  font: 500 var(--ss-ui-sm) var(--ss-font-mono);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.relay-member-role {
  font-size: var(--ss-size-xs);
  color: var(--ss-fg-faint);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Offline members read muted by colour only — no opacity, so avatars/badges keep AA contrast. */
.relay-offline .relay-member-name {
  color: var(--ss-fg-muted);
}

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 1100px) {
  .relay {
    grid-template-columns: var(--relay-rail-w) var(--ss-side-w) minmax(0, 1fr);
  }

  .relay-members {
    display: none;
  }
}

@media (max-width: 760px) {
  .relay {
    grid-template-columns: var(--relay-rail-w) minmax(0, 1fr);
  }

  .relay-channels {
    display: none;
    position: fixed;
    inset: 0 auto 0 var(--relay-rail-w);
    z-index: 5;
    width: var(--ss-side-w);
    box-shadow: var(--ss-shadow-pop);
  }

  .relay.channels-open .relay-channels {
    display: flex;
  }

  .relay-chan .relay-nav-toggle {
    display: inline-flex;
  }

  .relay-topic {
    display: none;
  }

  .relay-sys {
    padding-left: 0;
  }
}

@media (max-width: 520px) {
  .relay-chan .relay-search,
  .relay-hint {
    display: none;
  }

  .relay-chan {
    padding-inline: var(--ss-s-2);
  }

  .relay-log,
  .relay-composer-wrap {
    padding-inline: var(--ss-s-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .relay-log {
    scroll-behavior: auto;
  }
}

/* Keyboard hints are noise where there is no keyboard (DS-0157): the key caps hide themselves on
   coarse-pointer devices, so hide the words around them too. */
@media (hover: none) and (pointer: coarse) {
  .relay-hint {
    display: none;
  }
}