:root {
  color-scheme: dark;
  --bg-color: #000000;
  --panel: #0b0b0b;
  --panel-solid: #101010;
  --panel-alt: #050505;
  --text-color: #f3f5f8;
  --accent: #2f57b8;
  --accent-hover: #3b63c6;
  --accent-soft: #0d1730;
  --accent-line: #24428d;
  --accent-2: #6f95eb;
  --bubble-own: #0f1c3f;
  --bubble-other: #111111;
  --dim: #9ea7b7;
  --line: #1f1f1f;
  --danger: #ff7373;
  --ok: #65e6a4;
  --warn: #f6c969;
  --info: #8ec7ff;
  --radius: 22px;
  --shadow: none;
  --font-ui: 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'SFMono-Regular', Consolas, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg-color);
  color: var(--text-color);
  font-family: var(--font-ui);
  font-size: 15px;
  line-height: 1.5;
}

a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--dim);
}

a:hover,
button:hover {
  border-color: #2b2b2b;
  background: #111111;
  color: var(--text-color);
}

code,
pre,
input,
button {
  font: inherit;
}

.app-shell {
  height: 100vh;
  overflow: hidden;
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
}

.sidebar {
  background: var(--panel-alt);
  border-right: 1px solid var(--line);
  padding: 30px 24px;
  overflow-y: auto;
}

.content {
  overflow-y: auto;
  padding: 32px;
  max-width: 1440px;
  width: 100%;
}

.brand-block {
  padding: 0 2px;
}

.brand-block h1,
.dialog-header h2 {
  margin: 0;
  color: var(--accent);
  font-size: 1.65rem;
  letter-spacing: -0.04em;
}

.brand-block .muted {
  margin: 22px 0 0;
  max-width: 26ch;
  font-size: 1.03rem;
  line-height: 1.62;
}

.eyebrow,
.section-title {
  color: var(--dim);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
}

.muted {
  color: var(--dim);
}

.small {
  font-size: 0.82rem;
}

.nav-links,
.jobs-list,
.continuous-form {
  display: grid;
  gap: 10px;
}

.nav-links {
  margin: 34px 0;
}

.nav-link,
.button,
input,
.content-tab,
.viewer-channel-item {
  border: 1px solid var(--line);
  background: #101010;
  color: var(--text-color);
  border-radius: 999px;
}

a.nav-link,
a.button,
a.content-tab {
  border-bottom: 1px solid var(--line);
}

.nav-link,
.button,
.content-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 10px 18px;
  cursor: pointer;
  transition:
    background-color 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    transform 0.18s ease;
}

.nav-link {
  min-height: 52px;
  font-size: 1rem;
}

.nav-link.active,
.button.primary,
.content-tab.active {
  border-color: var(--accent-line);
  color: #ffffff;
  background: var(--accent);
  box-shadow: none;
}

.nav-link.active:hover,
.button.primary:hover,
.content-tab.active:hover {
  background: var(--accent-hover);
  color: #ffffff;
}

.button.danger {
  color: var(--danger);
}

.button.button-small {
  min-height: 34px;
  padding: 6px 10px;
  font-size: 0.82rem;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.45;
}

.status-card,
.panel,
.stat-panel,
.job-card,
.message-card,
.settings-dialog {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.status-card,
.panel,
.job-card,
.message-card {
  padding: 22px;
}

.status-card {
  margin-top: 20px;
  display: grid;
  gap: 12px;
  align-content: start;
}

.status-card .button {
  width: 100%;
  margin-top: 0;
}

.status-card .section-title,
.status-card p,
.status-card .status-badge {
  margin-top: 0;
  margin-bottom: 0;
}

.status-badge {
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--ok);
  background: #0d1410;
}

.content-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
}

.panel-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 18px;
}

.settings-health-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.panel {
  margin-bottom: 18px;
}

.panel-header,
.dialog-header,
.job-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.stat-value {
  margin-top: 10px;
  font-size: 2.25rem;
  font-weight: 700;
  letter-spacing: -0.05em;
}

.stat-compact {
  font-size: 1.3rem;
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack-form {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.settings-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 18px;
  align-items: start;
}

.settings-layout .panel:last-child {
  grid-column: 1 / -1;
}

.settings-page-shell .content {
  max-width: 1280px;
}

.settings-hero {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.settings-account-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.settings-account-button {
  width: 100%;
  min-height: 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #101010;
  color: var(--text-color);
  padding: 12px 14px;
  cursor: pointer;
}

.settings-account-button.active {
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

.settings-account-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-account-status {
  color: var(--warn);
  font-size: 0.78rem;
}

.settings-account-status.ok {
  color: var(--ok);
}

.settings-meta-list {
  display: grid;
  gap: 8px;
  margin-top: 16px;
  color: var(--dim);
}

input {
  min-width: 160px;
  padding: 11px 14px;
  outline: 0;
  border-radius: 16px;
}

input:focus {
  border-color: var(--accent);
  box-shadow: none;
}

.toggle-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.switch {
  position: relative;
  display: inline-flex;
  width: 48px;
  min-width: 48px;
  height: 26px;
}

.switch input {
  position: absolute;
  inset: 0;
  opacity: 0;
  min-width: 0;
  margin: 0;
  cursor: pointer;
}

.switch-slider {
  position: absolute;
  inset: 0;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

.switch-slider::before {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: 16px;
  height: 16px;
  background: var(--dim);
  border-radius: 50%;
  transition:
    transform 0.16s ease,
    background-color 0.16s ease;
}

.switch input:checked + .switch-slider {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.switch input:checked + .switch-slider::before {
  transform: translateX(22px);
  background: var(--accent);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 12px 10px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

tbody tr:hover {
  background: #0d0d0d;
}

.action-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.job-status {
  color: var(--dim);
  font-size: 0.82rem;
  text-transform: uppercase;
}

.job-logs {
  max-height: 220px;
  margin: 10px 0 0;
  overflow: auto;
  white-space: pre-wrap;
  color: var(--dim);
}

.continuous-meta {
  display: grid;
  gap: 4px;
  margin: 16px 0;
  color: var(--dim);
  font-size: 0.88rem;
}

.continuous-meta span {
  color: var(--text-color);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 8px;
  margin-top: 8px;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #101010;
}

.checkbox-row input {
  min-width: auto;
}

.checkbox-row.disabled {
  opacity: 0.45;
}

.log-viewer {
  display: grid;
  max-height: 420px;
  overflow: auto;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
  border-radius: 16px;
}

.log-line {
  display: grid;
  grid-template-columns: 86px 112px 74px minmax(0, 1fr);
  gap: 10px;
  padding: 5px 9px;
  border-bottom: 1px solid #151515;
  font-size: 0.88rem;
}

.log-line:hover {
  background: rgba(53, 95, 199, 0.08);
}

.log-time,
.log-age,
.log-level {
  color: var(--dim);
}

.log-message {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.log-line.info .log-level,
.log-line.info .log-message {
  color: var(--info);
}

.log-line.success .log-level,
.log-line.success .log-message {
  color: var(--ok);
}

.log-line.warn .log-level,
.log-line.warn .log-message {
  color: var(--warn);
}

.log-line.error .log-level,
.log-line.error .log-message {
  color: var(--danger);
}

.settings-dialog {
  width: min(720px, calc(100vw - 32px));
  color: var(--text-color);
  padding: 0;
}

.settings-dialog::backdrop {
  background: rgba(0, 0, 0, 0.82);
}

.dialog-shell {
  padding: 24px;
}

.settings-section {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}

.qr-wrap {
  margin-top: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.qr-wrap img {
  display: block;
  width: 100%;
  max-width: 240px;
  aspect-ratio: 1;
  margin: 0 auto 10px;
  background: white;
}

.hidden {
  display: none !important;
}

/* ---------- Viewer layout: sidebar + chat ---------- */

.viewer-shell {
  display: grid;
  grid-template-columns: 360px minmax(0, 1fr);
  height: 100vh;
  overflow: hidden;
}

.viewer-sidebar {
  background: var(--panel-alt);
  border-right: 1px solid var(--line);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  overflow-y: auto;
}

.sidebar-toggle {
  display: none;
}

.viewer-sidebar-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 6px 8px;
}

.viewer-sidebar-head h1 {
  margin: 0;
  color: var(--accent);
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.viewer-channel-list {
  display: grid;
  gap: 6px;
}

.viewer-channel-item {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  width: 100%;
  min-height: 68px;
  padding: 10px 12px;
  text-align: left;
  cursor: pointer;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-color);
  border-radius: 16px;
}

.viewer-channel-item.active {
  border-color: var(--accent-line);
  background: var(--accent-soft);
  box-shadow: none;
}

.viewer-channel-item:hover {
  background: #0f0f0f;
}

.viewer-channel-avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: #274894;
  color: white;
  font-weight: 700;
  letter-spacing: -0.03em;
}

.viewer-channel-copy {
  display: grid;
  gap: 3px;
  min-width: 0;
}

.viewer-channel-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.viewer-channel-name {
  color: var(--text-color);
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-channel-time,
.viewer-channel-preview {
  color: var(--dim);
  font-size: 0.82rem;
}

.viewer-channel-preview {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.viewer-channel-count {
  min-width: 22px;
  padding: 2px 7px;
  border-radius: 999px;
  background: #111a32;
  color: var(--accent-2);
  font-size: 0.76rem;
  text-align: center;
}

/* ---------- Main panel ---------- */

.viewer-main {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
  background: var(--bg-color);
}

.viewer-header {
  flex-shrink: 0;
  padding: 18px 26px;
  border-bottom: 1px solid var(--line);
  background: var(--panel-alt);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.viewer-header h2 {
  margin: 0;
  color: var(--accent);
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.viewer-tools {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.viewer-tools input[type='search'] {
  min-width: min(260px, 40vw);
}

.viewer-auto-refresh {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  color: var(--dim);
  font-size: 0.82rem;
}

.viewer-auto-refresh input {
  min-width: auto;
}

.messages-list {
  flex: 1;
  overflow-y: auto;
  padding: 22px 38px 26px;
  display: flex;
  flex-direction: column;
}

.scroll-sentinel {
  flex-shrink: 0;
  height: 1px;
  width: 100%;
}

/* ---------- Date separator ---------- */

.chat-date-sep {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 12px 0;
  font-size: 0.78rem;
  color: #d6e6e8;
  flex-shrink: 0;
}

.chat-date-sep::before,
.chat-date-sep::after {
  content: '';
  flex: 1;
  height: 1px;
  background: #242424;
}

.chat-date-sep {
  align-self: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: #111111;
}

.chat-date-sep:empty {
  display: none;
}

/* ---------- Bubble wrap ---------- */

.chat-bubble-wrap {
  display: flex;
  justify-content: flex-start;
  flex-shrink: 0;
}

.chat-bubble-wrap--own {
  justify-content: flex-end;
}

/* ---------- Chat bubble ---------- */

.chat-bubble {
  max-width: min(680px, 74%);
  padding: 9px 13px 8px;
  background: var(--bubble-other);
  border: 1px solid var(--line);
  border-radius: 18px 18px 18px 6px;
  margin-bottom: 7px;
  overflow-wrap: anywhere;
  word-break: break-word;
  position: relative;
  box-shadow: none;
}

.chat-bubble::before {
  content: '';
  position: absolute;
  top: 8px;
  border: 6px solid transparent;
}

.chat-bubble-wrap:not(.chat-bubble-wrap--own) .chat-bubble::before {
  left: -12px;
  border-right-color: var(--bubble-other);
  border-left: 0;
}

.chat-bubble-wrap--own .chat-bubble::before {
  right: -12px;
  border-left-color: var(--bubble-own);
  border-right: 0;
}

.chat-bubble-wrap--own .chat-bubble {
  background: var(--bubble-own);
  border-color: var(--accent-line);
  border-radius: 18px 18px 6px 18px;
}

.chat-bubble--highlight {
  animation: chat-highlight 0.5s ease-in-out 3;
}

@keyframes chat-highlight {
  0%,
  100% {
    box-shadow: 0 0 0 0 rgba(139, 180, 248, 0);
  }
  50% {
    box-shadow: 0 0 0 3px rgba(139, 180, 248, 0.4);
  }
}

/* ---------- Sender ---------- */

.chat-sender {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 2px;
}

.chat-sender:empty {
  display: none;
}

/* ---------- Reply preview ---------- */

.chat-reply {
  display: flex;
  gap: 6px;
  margin-bottom: 4px;
  padding: 6px 8px;
  cursor: pointer;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.18);
}

.chat-reply.hidden {
  display: none;
}

.chat-reply-border {
  flex-shrink: 0;
  width: 2px;
  background: var(--accent);
  border-radius: 999px;
  opacity: 0.5;
}

.chat-reply-body {
  min-width: 0;
}

.chat-reply-author {
  font-size: 0.78rem;
  color: var(--info);
  font-weight: 700;
}

.chat-reply-text {
  font-size: 0.82rem;
  color: var(--dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Message text ---------- */

.chat-text {
  white-space: pre-wrap;
  line-height: 1.45;
  font-size: 0.96rem;
}

.chat-text:empty {
  display: none;
}

/* ---------- Media ---------- */

.chat-media {
  margin-top: 6px;
}

.chat-media:empty {
  display: none;
}

.chat-media img,
.chat-media video {
  display: block;
  max-width: 100%;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
}

/* ---------- Footer ---------- */

.chat-footer {
  margin-top: 4px;
  font-size: 0.72rem;
  color: var(--dim);
  text-align: right;
}

.chat-footer:empty {
  display: none;
}

.empty-state,
.viewer-empty-state {
  padding: 16px;
  color: var(--dim);
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #0b0b0b;
}

.viewer-empty-state {
  align-self: center;
  margin-top: 16px;
}

.toast-root {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 1000;
  display: grid;
  gap: 8px;
  width: min(360px, calc(100vw - 36px));
}

.toast {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel-solid);
  color: var(--text-color);
  transition:
    opacity 0.2s ease,
    transform 0.2s ease;
}

.toast-success {
  border-color: var(--accent-line);
}

.toast-error {
  border-color: #7a2a2a;
  color: #ffd4d4;
}

.toast-hide {
  opacity: 0;
  transform: translateY(8px);
}

.api-docs {
  display: grid;
  gap: 16px;
}

.api-path {
  margin: 0 0 12px;
  color: var(--accent);
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.api-methods {
  display: grid;
  gap: 12px;
}

.api-method {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.api-method:first-child {
  border-top: 0;
  padding-top: 0;
}

.api-method-head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.api-verb {
  min-width: 58px;
  padding: 2px 6px;
  border: 1px solid var(--line);
  color: var(--ok);
  text-align: center;
}

.api-summary {
  font-weight: 700;
}

.api-body {
  max-height: none;
}

@media (max-width: 1100px) {
  .app-shell,
  .viewer-shell {
    grid-template-columns: 1fr;
  }

  .app-shell {
    grid-template-rows: auto 1fr;
  }

  .sidebar,
  .viewer-sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .panel-grid {
    grid-template-columns: 1fr;
  }
}

/* ── Account Tabs ─────────────────────────────────────── */

.account-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.account-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 40px;
  padding: 8px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #101010;
  color: var(--text-color);
  cursor: pointer;
  font: inherit;
  font-size: 0.88rem;
}

.account-tab.active {
  border-color: var(--accent-line);
  color: #ffffff;
  background: var(--accent);
  box-shadow: none;
}

.account-tab .account-tab-status {
  font-size: 0.72rem;
  opacity: 0.7;
}

.account-tab .account-tab-status.ok {
  color: var(--ok);
}

.account-tab .account-tab-status.errored {
  color: var(--danger);
}

/* ── Account Panels ──────────────────────────────────── */

.account-panel {
  display: block;
}

.account-panel.hidden {
  display: none;
}

/* ── Settings: Account List ──────────────────────────── */

.accounts-list {
  display: grid;
  gap: 10px;
  margin-bottom: 14px;
}

.account-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #101010;
}

.account-list-info {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.account-list-label {
  font-weight: 700;
}

.account-list-id {
  font-size: 0.82rem;
}

.account-list-auth-status {
  font-size: 0.78rem;
}

.account-list-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.add-account-form {
  display: grid;
  gap: 10px;
  margin-top: 10px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #101010;
}

.import-account-row {
  display: grid;
  gap: 8px;
  margin-top: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #101010;
}

/* ── Active Account Card ─────────────────────────────── */

#active-account-name {
  word-break: break-all;
}

#active-account-status {
  margin-top: 6px;
}

/* ---------- Mobile: tablet & phone ---------- */

@media (max-width: 768px) {
  .sidebar-toggle {
    display: inline-flex;
  }

  .viewer-sidebar {
    position: fixed;
    left: -360px;
    top: 0;
    bottom: 0;
    width: 340px;
    z-index: 100;
    transition: left 0.2s ease;
    border-right: 1px solid var(--line);
    border-bottom: 0;
  }

  .viewer-sidebar.open {
    left: 0;
  }

  .viewer-sidebar.open::before {
    content: '';
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
  }

  .viewer-header {
    padding: 12px 14px;
  }

  .messages-list {
    padding: 8px 12px 16px;
  }

  .chat-bubble {
    max-width: 92%;
  }

  .chat-bubble::before {
    display: none;
  }

  .content {
    padding: 18px;
  }

  .viewer-sidebar-head h1 {
    font-size: 1.2rem;
  }
}

@media (max-width: 480px) {
  .content {
    padding: 12px;
  }

  .viewer-main {
    padding: 0;
  }

  .viewer-header {
    padding: 10px 10px;
  }

  .viewer-header h2 {
    font-size: 1.1rem;
  }

  .messages-list {
    padding: 6px 8px 12px;
  }

  .chat-bubble {
    max-width: 96%;
    padding: 6px 9px;
    font-size: 0.92rem;
  }

  .chat-footer {
    font-size: 0.65rem;
  }

  .chat-sender {
    font-size: 0.75rem;
  }

  .chat-reply-author {
    font-size: 0.72rem;
  }

  .chat-reply-text {
    font-size: 0.75rem;
  }

  .sidebar {
    padding: 16px;
  }

  .viewer-sidebar {
    width: 300px;
    padding: 16px;
  }

  .panel-header,
  .viewer-header,
  .dialog-header {
    display: grid;
  }

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

  .log-line {
    grid-template-columns: 76px 1fr;
  }

  .log-age,
  .log-level {
    display: none;
  }
}

/* ── GPU Radar visual system ────────────────────────────
   A restrained, data-first monochrome treatment inspired by gpu.chernuha.space. */
:root {
  --bg-color: #080808;
  --panel: #101010;
  --panel-solid: #151515;
  --panel-alt: #0b0b0b;
  --text-color: #f5f5f5;
  --dim: #9a9a9a;
  --line: #2b2b2b;
  --accent: #f1f1f1;
  --accent-hover: #ffffff;
  --accent-soft: rgba(255, 255, 255, 0.08);
  --accent-line: #3b3b3b;
  --accent-2: #d8d8d8;
  --bubble-own: #181818;
  --bubble-other: #101010;
  --danger: #d0d0d0;
  --ok: #e0e0e0;
  --warn: #b8b8b8;
  --info: #d7d7d7;
  --radius: 8px;
  --shadow: none;
  --font-ui: Inter, 'SF Pro Display', 'Helvetica Neue', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

body {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
}
a {
  border-bottom: 0;
}
a:hover,
button:hover {
  border-color: var(--accent-line);
  background: var(--accent-soft);
}

.app-shell {
  grid-template-columns: 236px minmax(0, 1fr);
  min-height: 100vh;
}
.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 18px 12px;
  background: var(--panel-alt);
  border-right-color: var(--line);
}
.brand-block {
  position: relative;
  display: block;
  min-height: 64px;
  padding: 5px 9px 16px;
}
.brand-block::before {
  content: '◈';
  position: absolute;
  top: 8px;
  left: 9px;
  color: var(--text-color);
  font-size: 25px;
  line-height: 1;
}
.brand-block h1,
.dialog-header h2 {
  color: var(--text-color);
  font-size: 15px;
  line-height: 1.12;
  letter-spacing: -0.01em;
}
.brand-block h1 {
  margin-left: 36px;
}
.brand-block .eyebrow {
  margin: 0 0 3px 36px;
  color: var(--muted, #747474);
  font-size: 12px;
  letter-spacing: 0;
  text-transform: none;
}
.brand-block .muted {
  display: none;
}
.eyebrow,
.section-title {
  color: #747474;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.08em;
}
.muted {
  color: #9a9a9a;
}

.nav-links {
  gap: 5px;
  margin: 10px 0 24px;
}
.nav-link,
.button,
input,
.content-tab,
.viewer-channel-item,
.account-tab {
  border-color: transparent;
  border-radius: 6px;
  background: transparent;
}
.nav-link {
  justify-content: flex-start;
  min-height: 46px;
  padding: 0 13px;
  color: #979797;
  font-size: 13px;
  font-weight: 650;
}
.nav-link.active {
  border-color: #3b3b3b;
  color: var(--text-color);
  background: var(--accent-soft);
}
.nav-link::before {
  content: '—';
  width: 16px;
  color: currentColor;
}

.status-card,
.panel,
.stat-panel,
.job-card,
.message-card,
.settings-dialog {
  border-color: var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: none;
}
.status-card {
  padding: 14px 10px 4px;
  background: transparent;
  border: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.status-card + .status-card {
  margin-top: 12px;
}
.status-card .button {
  width: auto;
  justify-content: flex-start;
  padding: 0 13px;
}
.status-badge {
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--text-color);
  background: transparent;
  font-size: 12px;
  font-weight: 700;
}

.content {
  max-width: none;
  padding: 24px 28px 40px;
}
.content::before {
  content: '';
  display: block;
  height: 43px;
  margin: -24px -28px 24px;
  border-bottom: 1px solid var(--line);
}
.content-tabs,
.account-tabs {
  gap: 0;
  margin-bottom: 18px;
  padding-bottom: 0;
  border-bottom: 0;
}
.content-tab,
.account-tab {
  min-height: 38px;
  padding: 8px 14px;
  border: 1px solid var(--line);
  border-radius: 0;
  color: #aaa;
  font-size: 13px;
}
.content-tab:first-child,
.account-tab:first-child {
  border-radius: 6px 0 0 6px;
}
.content-tab + .content-tab,
.account-tab + .account-tab {
  margin-left: -1px;
}
.content-tab:last-child,
.account-tab:last-child {
  border-radius: 0 6px 6px 0;
}
.content-tab.active,
.account-tab.active {
  position: relative;
  z-index: 1;
  border-color: #535353;
  color: var(--text-color);
  background: var(--accent-soft);
}

.panel-grid {
  gap: 14px;
  margin-bottom: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.settings-health-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}
.panel,
.status-card,
.job-card,
.message-card {
  padding: 18px;
}
.panel {
  margin-bottom: 14px;
}
.stat-panel {
  min-height: 128px;
  padding: 17px 18px;
}
.stat-value {
  margin-top: 20px;
  font-size: 30px;
  font-weight: 650;
  letter-spacing: -0.04em;
}
.stat-compact {
  font-size: 19px;
}
.panel-header,
.dialog-header,
.job-head {
  align-items: center;
  gap: 16px;
}
.panel-header h2,
.settings-hero h2 {
  font-size: 16px;
  font-weight: 650;
  letter-spacing: -0.02em;
}
.panel-header .muted {
  margin-top: 4px;
  font-size: 12px;
}

.button {
  min-height: 36px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  color: #d4d4d4;
  font-size: 12px;
  font-weight: 650;
}
.button.primary {
  border-color: #d9d9d9;
  color: #111;
  background: #f1f1f1;
}
.button.primary:hover {
  border-color: #fff;
  background: #fff;
  color: #080808;
}
.button.danger {
  color: #c5c5c5;
}
.button.button-small {
  min-height: 32px;
  padding: 5px 9px;
}
input {
  min-height: 36px;
  padding: 8px 11px;
  border: 1px solid var(--line);
  color: var(--text-color);
  background: #0d0d0d;
  font-size: 12px;
}
input:focus {
  border-color: #777;
}

th,
td {
  padding: 12px 10px;
  border-bottom-color: var(--line);
  font-size: 12px;
}
th {
  color: #888;
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
tbody tr:hover {
  background: rgba(255, 255, 255, 0.035);
}
.job-card {
  border-radius: 6px;
}
.job-status {
  color: #aaa;
  font-size: 10px;
}
.job-logs,
.log-viewer {
  border-color: var(--line);
  border-radius: 6px;
  background: #0b0b0b;
  font-family: var(--font-mono);
  font-size: 12px;
}
.log-line {
  border-bottom-color: #202020;
}
.log-line:hover {
  background: rgba(255, 255, 255, 0.04);
}

.switch {
  width: 42px;
  min-width: 42px;
  height: 22px;
}
.switch-slider {
  border-color: #3a3a3a;
  background: #181818;
}
.switch-slider::before {
  top: 3px;
  left: 3px;
  width: 14px;
  height: 14px;
  background: #8d8d8d;
}
.switch input:checked + .switch-slider {
  border-color: #858585;
  background: #f1f1f1;
}
.switch input:checked + .switch-slider::before {
  transform: translateX(20px);
  background: #111;
}
.checkbox-row,
.settings-account-button,
.account-list-item,
.add-account-form,
.import-account-row,
.qr-wrap {
  border-color: var(--line);
  border-radius: 6px;
  background: #111;
}
.settings-account-button.active {
  border-color: #535353;
  background: var(--accent-soft);
}

.settings-hero {
  border-top: 0;
}
.settings-dialog {
  border-color: #3b3b3b;
}
.dialog-shell {
  padding: 20px;
}
.settings-section {
  border-top-color: var(--line);
}
.toast {
  border-color: #4a4a4a;
  border-radius: 6px;
  background: #151515;
}

@media (max-width: 900px) {
  .panel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 768px) {
  .app-shell {
    grid-template-columns: 1fr;
  }
  .sidebar {
    position: static;
    height: auto;
    padding: 12px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
  .brand-block {
    min-height: 46px;
    padding-bottom: 5px;
  }
  .nav-links {
    display: flex;
    overflow-x: auto;
    margin: 8px 0 0;
  }
  .nav-link {
    min-height: 34px;
    white-space: nowrap;
  }
  .status-card {
    display: none;
  }
  .content {
    padding: 16px;
  }
  .content::before {
    height: 0;
    margin: -16px -16px 16px;
  }
}
@media (max-width: 560px) {
  .panel-grid,
  .settings-health-grid {
    grid-template-columns: 1fr;
  }
  .content-tabs,
  .account-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
  }
  .content-tab,
  .account-tab {
    white-space: nowrap;
  }
}