/* Production components adapted from Claude Design's CloudNext/Nocturne prototype.
   Tokens and motion live in tokens.css. No CDN, inline styles or component runtime. */
* {
  box-sizing:border-box}
body {
  margin:0;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.55}
button,input,textarea {
  font:inherit}
button,a,input,textarea {
  -webkit-tap-highlight-color:transparent}
button {
  cursor:pointer}
button:disabled {
  cursor:not-allowed;
  opacity:.5}
button {
  border:0}
a {
  text-decoration:none}
svg {
  width:22px;
  height:22px;
  flex:none}
h1,h2,h3,p {
  margin-top:0}
h1,h2,h3 {
  line-height:1.2;
  letter-spacing:-.025em}
h3 {
  font-size:16px}
p {
  color:var(--color-text-2)}
[hidden] {
  display:none!important}
.sr-only {
  position:absolute;
  width:1px;
  height:1px;
  padding:0;
  margin:-1px;
  overflow:hidden;
  clip:rect(0,0,0,0);
  white-space:nowrap;
  border:0}
.muted,.small-note {
  font-size:12px;
  color:var(--color-text-2)}
.eyebrow {
  font-size:10px;
  font-weight:600;
  letter-spacing:.15em;
  color:var(--color-accent-2)}
.wordmark {
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:600;
  color:var(--color-text)}
.wordmark svg {
  color:var(--color-accent-2);
  width:30px;
  height:30px}
.tag {
  font-size:10px;
  letter-spacing:.05em;
  color:var(--color-accent-2);
  border:1px solid #31545d;
  padding:3px 7px;
  border-radius:5px;
  white-space:nowrap}
.primary,.secondary {
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:12px;
  padding:11px 17px;
  border-radius:8px;
  font-weight:600;
  transition:background var(--dur-1),transform var(--dur-1)}
.primary {
  background:var(--color-accent);
  color:#081321}
.primary:hover {
  background:var(--color-accent-400)}
.primary:active:not(:disabled),.secondary:active {
  transform:scale(.98)}
.secondary {
  background:var(--color-surface-2);
  color:var(--color-text);
  border:1px solid var(--color-border)}
.icon-button {
  background:transparent;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:40px;
  min-height:40px;
  border-radius:8px;
  color:var(--color-text-2)}
.icon-button:hover,.secondary:hover {
  background:var(--color-elevated);
  color:var(--color-text)}
input:not([type=checkbox]),textarea {
  width:100%;
  color:var(--color-text);
  background:var(--color-surface);
  border:1px solid var(--color-border);
  border-radius:8px;
  padding:12px}
input::placeholder,textarea::placeholder {
  color:var(--color-text-2)}
.gradient-text {
  background:linear-gradient(100deg,var(--color-accent-2),var(--color-accent));
  background-clip:text;
  -webkit-background-clip:text;
  color:transparent}
.skip-link {
  position:fixed;
  top:-60px;
  left:20px;
  z-index:100;
  padding:10px;
  background:var(--color-surface)}
.skip-link:focus {
  top:10px}

.auth-page {
  min-height:100vh;
  background:radial-gradient(ellipse at 0 0,#142537 0,transparent 55%),var(--color-bg)}
.auth-header,.auth-footer {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:28px 5vw}
.auth-header {
  max-width:1600px;
  margin:auto}
.auth-layout {
  max-width:1400px;
  margin:auto;
  display:grid;
  grid-template-columns:1fr 1.1fr;
  min-height:75vh;
  align-items:center;
  gap:7vw;
  padding:32px 5vw}
.auth-card {
  max-width:430px;
  animation:cn-page-in var(--dur-4) var(--ease)}
.auth-card h1 {
  font-size:clamp(42px,4.7vw,66px);
  font-weight:500;
  line-height:1.06;
  margin:20px 0 24px}
.auth-lead {
  font-size:15px;
  line-height:1.8;
  margin-bottom:28px}
.auth-card label {
  display:block;
  margin:0 0 8px;
  font-size:13px}
.auth-card form .primary {
  width:100%;
  margin-top:12px;
  justify-content:space-between}
.small-note {
  margin-top:18px;
  line-height:1.8}
.small-note[role=status] {
  padding:14px;
  background:var(--color-accent-2-900);
  border:1px solid #31545d;
  border-radius:10px;
  color:var(--color-text)}
.auth-art {
  position:relative;
  overflow:hidden;
  min-height:560px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  border-radius:24px;
  border:1px solid var(--color-border);
  padding:60px;
  background:radial-gradient(ellipse at 80% 15%,#1d3c54,transparent 65%),linear-gradient(160deg,#152230,#0b141c)}
.auth-art>*:not(.orbit) {
  position:relative;
  z-index:1}
.art-mark {
  color:var(--color-accent-2);
  margin-bottom:36px}
.art-mark svg {
  width:66px;
  height:66px}
.auth-art h2 {
  font-size:clamp(30px,3vw,44px);
  font-weight:500}
.auth-art>p {
  line-height:1.9}
.orbit {
  position:absolute;
  border:1px solid #2b465a;
  border-radius:50%;
  width:560px;
  height:560px;
  top:-320px;
  right:-300px;
  pointer-events:none}
.orbit-two {
  width:720px;
  height:720px;
  top:-400px;
  right:-380px}
.art-footer {
  display:flex;
  justify-content:space-between;
  font-size:9px;
  letter-spacing:.12em;
  color:var(--color-text-2);
  margin-top:55px;
  gap:20px}
.auth-footer {
  font-size:12px;
  color:var(--color-text-2)}
.auth-shell {
  min-height:100vh;
  display:grid;
  place-content:center;
  padding:24px}
.auth-shell .auth-card {
  padding:32px;
  border:1px solid var(--color-border);
  border-radius:16px;
  background:var(--color-nav)}
.brand {
  font-size:20px;
  color:var(--color-accent-2);
  margin-bottom:24px}
.auth-shell h1 {
  font-size:32px}

.app-page {
  height:100vh;
  height:100dvh;
  overflow:hidden}
.workspace {
  display:grid;
  grid-template-columns:72px 260px minmax(0,1fr);
  height:100%}
.space-rail {
  display:flex;
  align-items:center;
  flex-direction:column;
  padding:18px 10px;
  gap:10px;
  border-right:1px solid var(--color-border);
  background:#0c131b}
.rail-brand {
  display:grid;
  place-items:center;
  width:46px;
  height:46px;
  color:var(--color-accent-2);
  margin-bottom:22px}
.rail-brand svg {
  width:32px;
  height:32px}
.rail-item {
  position:relative;
  width:46px;
  height:46px;
  display:grid;
  place-content:center;
  background:transparent;
  color:var(--color-text-2);
  border-radius:12px;
  transition:background var(--dur-2),color var(--dur-2)}
.rail-item span {
  display:none}
.rail-item:hover {
  background:var(--color-surface)}
.rail-item[aria-current=page] {
  background:#193455;
  color:var(--color-accent-400)}
.rail-item[aria-current=page]:before {
  content:"";
  width:3px;
  height:22px;
  background:var(--color-accent);
  position:absolute;
  left:-10px;
  top:12px;
  border-radius:0 3px 3px 0}
.rail-item[data-view=settings] {
  margin-top:auto}
.nav-pane {
  display:flex;
  min-height:0;
  flex-direction:column;
  background:var(--color-nav);
  border-right:1px solid var(--color-border)}
.nav-top {
  height:72px;
  padding:16px 18px;
  display:flex;
  align-items:center;
  gap:10px}
.nav-search {
  display:flex;
  gap:8px;
  align-items:center;
  margin:4px 14px 22px;
  padding:10px;
  background:var(--color-surface);
  border:1px solid var(--color-border);
  color:var(--color-text-2);
  border-radius:8px;
  font-size:12px;
  text-align:left}
.nav-search svg {
  width:16px;
  height:16px}
.nav-search kbd {
  margin-left:auto;
  font-size:10px;
  white-space:nowrap}
.nav-section {
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 18px;
  font-size:10px;
  letter-spacing:.08em;
  color:var(--color-text-2)}
.private-label {
  font-size:8px;
  color:var(--color-accent-2)}
.room-list {
  padding:0 10px;
  overflow-y:auto;
  max-height:45vh}
.channel {
  display:flex;
  gap:10px;
  align-items:center;
  width:100%;
  border-radius:7px;
  padding:10px 12px;
  text-align:left;
  background:transparent;
  color:var(--color-text-2);
  overflow-wrap:anywhere}
.channel:before {
  content:"#";
  color:var(--color-text-2);
  font-size:19px}
.channel:hover {
  background:var(--color-surface)}
.channel[aria-current=true] {
  background:#1b3048;
  color:var(--color-text)}
.channel[aria-current=true]:before {
  color:var(--color-accent-400)}
.sidebar-note {
  font-size:12px;
  line-height:1.8;
  padding:0 18px}
.sidebar-bottom {
  margin-top:auto;
  display:flex;
  align-items:center;
  gap:10px;
  padding:14px 12px;
  border-top:1px solid var(--color-border)}
.avatar,.message-avatar {
  flex:none;
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius:11px;
  background:#203e50;
  color:var(--color-accent-2);
  font-size:12px;
  font-weight:600}
.profile {
  min-width:0;
  flex:1}
.profile strong {
  font-size:12px;
  display:block}
.profile span {
  display:block;
  color:var(--color-text-2);
  font-size:10px;
  overflow:hidden;
  text-overflow:ellipsis}
.main-pane {
  min-width:0;
  min-height:0;
  display:flex;
  flex-direction:column;
  position:relative}
.chat-header {
  height:72px;
  flex:none;
  display:flex;
  align-items:center;
  gap:14px;
  padding:0 26px;
  border-bottom:1px solid var(--color-border)}
.chat-header h1 {
  font-size:15px;
  margin:0;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap}
.chat-header>.icon-button:last-child {
  margin-left:auto}
.hash {
  font-size:24px;
  color:var(--color-text-2)}
.header-sub {
  font-size:12px;
  color:var(--color-text-2);
  border-left:1px solid var(--color-border);
  padding-left:16px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis}
.connection {
  display:flex;
  justify-content:space-between;
  gap:8px;
  align-items:center;
  padding:8px 26px;
  color:var(--color-text-2);
  font-size:11px;
  min-height:34px;
  background:#101b25}
.connection[data-state=error] {
  color:#f1c47e;
  background:#30291d}
.text-button {
  background:transparent;
  color:inherit;
  text-decoration:underline;
  min-height:30px}
.view {
  min-height:0;
  animation:cn-page-in var(--dur-3) var(--ease)}
.conversation {
  display:flex;
  flex-direction:column;
  flex:1;
  position:relative}
.chat-scroll {
  flex:1;
  overflow:auto;
  min-height:0;
  overflow-wrap:anywhere;
  overscroll-behavior:contain}
.welcome-block {
  padding:36px 28px 26px;
  max-width:650px}
.welcome-icon {
  width:52px;
  height:52px;
  background:var(--color-surface);
  border-radius:18px;
  display:grid;
  place-content:center;
  color:var(--color-accent-400);
  font-size:30px;
  margin-bottom:24px}
.welcome-block h2 {
  font-size:26px;
  font-weight:500;
  margin:12px 0}
.welcome-block>p:last-child {
  font-size:13px}
.message {
  display:flex;
  gap:12px;
  padding:12px 28px;
  animation:cn-msg-in var(--dur-2) var(--ease)}
.message:hover {
  background:#111b26}
.message-avatar {
  border-radius:50%;
  margin-top:2px}
.message-details {
  min-width:0;
  flex:1}
.message-head {
  display:flex;
  gap:10px;
  align-items:baseline;
  flex-wrap:wrap}
.message-head strong {
  font-size:13px;
  font-weight:600}
.message-head time {
  font-size:10px;
  color:var(--color-text-2)}
.message p {
  margin:4px 0 0;
  color:var(--color-text);
  font-size:14px;
  white-space:pre-wrap;
  overflow-wrap:anywhere}
.composer {
  margin:20px 24px 0;
  border:1px solid var(--color-border);
  border-radius:12px;
  background:var(--color-surface);
  transition:border-color var(--dur-1)}
.composer:focus-within {
  border-color:var(--color-accent)}
.composer textarea {
  display:block;
  border:0;
  background:transparent;
  resize:vertical;
  min-height:72px;
  max-height:180px;
  border-radius:12px;
  padding:16px;
  font-size:14px}
.composer textarea:focus-visible {
  outline-offset:-4px}
.composer-bottom {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:8px;
  padding:0 10px 10px 16px}
.composer-bottom>span {
  font-size:10px;
  color:var(--color-text-2)}
.send {
  padding:9px;
  min-width:38px;
  min-height:38px}
.send-status {
  margin:6px 26px 10px;
  font-size:11px;
  min-height:18px;
  color:#f1c47e}
.latest {
  align-self:center;
  background:var(--color-accent-800);
  color:var(--color-text);
  padding:8px 16px;
  border-radius:20px;
  position:absolute;
  bottom:160px;
  box-shadow:var(--shadow-md)}
.feature-page {
  overflow:auto;
  padding:48px;
  flex:1}
.feature-page>h2 {
  font-size:36px;
  font-weight:500}
.feature-page>p {
  max-width:580px;
  line-height:1.8}
.feature-page .hero-title {
  font-size:clamp(38px,5vw,64px);
  line-height:1.05}
.feature-card {
  padding:24px;
  background:var(--color-nav);
  border:1px solid var(--color-border);
  border-radius:12px;
  margin:24px 0;
  max-width:720px}
.feature-card>.tag {
  display:inline-block;
  margin-bottom:18px}
.feature-card p {
  font-size:13px;
  line-height:1.8}
.feature-grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
  max-width:900px}
.setting-row {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:16px 0;
  border-top:1px solid var(--color-border);
  font-size:13px}
.setting-row small {
  display:block;
  color:var(--color-text-2);
  font-size:12px;
  margin-top:6px;
  max-width:400px}
.setting-row input {
  width:20px;
  height:20px;
  accent-color:var(--color-accent);
  flex:none}
.compact .message {
  padding-top:5px;
  padding-bottom:5px}
.compact .message-avatar {
  width:28px;
  height:28px}
.compact .message p {
  font-size:13px}
.mobile-only {
  display:none}

dialog {
  color:var(--color-text);
  background:var(--color-nav);
  border:1px solid var(--color-border);
  border-radius:16px;
  padding:24px;
  width:min(480px,calc(100% - 32px));
  max-height:80vh;
  box-shadow:var(--shadow-lg)}
dialog[open] {
  animation:cn-dialog-in var(--dur-2) var(--ease)}
dialog::backdrop {
  background:#03080dbb;
  backdrop-filter:blur(5px)}
.dialog-head {
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:16px}
.dialog-head h2 {
  margin:0;
  font-size:20px}
dialog p {
  font-size:13px}
#search-results {
  margin-top:16px;
  max-height:40vh;
  overflow:auto}
#search-results .channel {
  min-height:44px}
.community-glyph {
  color:var(--color-accent-2);
  margin:28px 0}
.community-glyph svg {
  width:50px;
  height:50px}

@media(min-width:1500px) {
  .workspace {
  grid-template-columns:80px 290px minmax(0,1fr)}
.chat-scroll>.welcome-block {
  padding-top:70px}
.composer {
  margin-right:5vw;
  margin-left:5vw}
.messages .message {
  padding-left:5vw;
  padding-right:5vw}
}

@media(max-width:1023px) {
  .workspace {
  grid-template-columns:64px minmax(0,1fr)}
.nav-pane {
  display:none}
.nav-pane.drawer-open {
  display:flex;
  position:fixed;
  z-index:30;
  top:0;
  bottom:0;
  left:64px;
  width:min(300px,calc(100% - 64px));
  box-shadow:20px 0 70px #0009}
.mobile-only {
  display:inline-flex}
.nav-top {
  padding-right:8px}
.nav-top>.tag {
  margin-left:auto}
.space-rail {
  padding-left:8px;
  padding-right:8px}
.rail-item {
  width:44px}
.header-sub {
  display:none}
.auth-art {
  padding:36px;
  min-height:520px}
.auth-layout {
  gap:4vw}
.auth-art h2 {
  font-size:32px}
}

@media(max-width:719px) {
  .workspace {
  display:flex;
  flex-direction:column;
  padding-bottom:calc(65px + env(safe-area-inset-bottom))}
.space-rail {
  position:fixed;
  bottom:0;
  left:0;
  right:0;
  z-index:20;
  flex-direction:row;
  justify-content:space-around;
  border-top:1px solid var(--color-border);
  border-right:0;
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));
  gap:0}
.rail-brand {
  display:none}
.rail-item {
  width:16%;
  height:51px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  border-radius:8px}
.rail-item span {
  display:block;
  font-size:8px}
.rail-item svg {
  width:20px;
  height:20px}
.rail-item[data-view=settings] {
  margin-top:0}
.rail-item[aria-current=page]:before {
  display:none}
.main-pane {
  flex:1;
  overflow:hidden}
.chat-header {
  height:58px;
  padding:0 12px;
  gap:10px}
.connection {
  padding:6px 16px;
  font-size:10px}
.nav-pane.drawer-open {
  left:0;
  bottom:calc(65px + env(safe-area-inset-bottom));
  width:min(320px,100%)}
.welcome-block {
  padding:26px 18px 18px}
.welcome-block h2 {
  font-size:23px}
.welcome-block .eyebrow {
  font-size:9px}
.message {
  padding:10px 16px;
  gap:10px}
.message p {
  font-size:14px}
.composer {
  margin:12px 12px 0}
.composer textarea {
  font-size:16px;
  min-height:64px}
.composer-bottom>span {
  font-size:9px}
.send-status {
  margin:5px 16px 6px}
.feature-page {
  padding:28px 20px}
.feature-page>h2 {
  font-size:30px}
.feature-grid {
  grid-template-columns:1fr;
  gap:0}
.feature-card {
  padding:20px;
  margin:16px 0}
.auth-layout {
  display:block;
  padding:28px 7vw}
.auth-art {
  display:none}
.auth-card {
  margin:0 auto}
.auth-header {
  padding:24px 7vw}
.auth-card h1 {
  font-size:52px}
.auth-footer {
  padding:24px 7vw;
  gap:20px}
.auth-layout {
  min-height:auto}
.auth-page input {
  font-size:16px}
}