:root {
  --ts-font: var(
    --watson-font-family,
    "Inter",
    system-ui,
    -apple-system,
    "Segoe UI",
    Roboto,
    sans-serif
  );
  --ts-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;

  --ts-bg: #f7f8fa;
  --ts-surface: #ffffff;
  --ts-surface-2: #f1f3f5; /* subtle fills / hover */
  --ts-border: #e5e7eb;
  --ts-border-strong: #d3d7de;

  --ts-ink: #111827; /* slate-900 */
  --ts-ink-soft: #374151; /* slate-700 */
  --ts-muted: #6b7280; /* slate-500 */

  --ts-accent: #4f46e5; /* indigo-600 */
  --ts-accent-soft: #eef2ff; /* indigo-50 */

  --ts-success: #16a34a;
  --ts-warning: #d97706;
  --ts-error: #dc2626;

  /* Semantic surfaces */
  --ts-header-bg: rgba(255, 255, 255, 0.85);
  --ts-hatch: rgba(17, 24, 39, 0.022); /* background cross-hatch lines */
  --ts-stat-bg: #fafbfc; /* soft stat card fill */
  --ts-tip-bg: #111827; /* tooltip bubble */
  --ts-tip-fg: #ffffff;
  --ts-error-bg: #fef2f2;
  --ts-error-border: #fecaca;
  --ts-error-ink: #991b1b;

  --ts-header-h: 58px;
  --ts-sidebar-w: 400px;
  --ts-radius: 10px;

  --ts-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ts-ease-soft: cubic-bezier(0.4, 0, 0.2, 1);
}

/* ---- Dark theme — token overrides only ------ */
html[data-ts-theme="dark"] {
  --ts-bg: #0e1117;
  --ts-surface: #161b22;
  --ts-surface-2: #1c232c;
  --ts-border: #2a323d;
  --ts-border-strong: #3a4552;

  --ts-ink: #e6edf3;
  --ts-ink-soft: #adbac7;
  --ts-muted: #8b949e;

  --ts-accent: #7c83ff;
  --ts-accent-soft: #232544;

  --ts-header-bg: rgba(22, 27, 34, 0.85);
  --ts-hatch: rgba(255, 255, 255, 0.028);
  --ts-stat-bg: #1b222b;
  --ts-tip-bg: #e6edf3;
  --ts-tip-fg: #0e1117;
  --ts-error-bg: #2a1416;
  --ts-error-border: #5b2327;
  --ts-error-ink: #ffb4ab;
}

html.is-theming * {
  transition:
    background-color 0.3s var(--ts-ease-soft),
    border-color 0.3s var(--ts-ease-soft),
    color 0.3s var(--ts-ease-soft),
    fill 0.3s var(--ts-ease-soft),
    stroke 0.3s var(--ts-ease-soft),
    transform 0.3s var(--ts-ease-soft) !important;
}

@keyframes ts-fade-in {
  from {
    opacity: 0;
    transform: translateY(3px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes ts-slide-in {
  from {
    opacity: 0;
    transform: translateX(-6px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes ts-event-in {
  0% {
    opacity: 0;
    transform: translateX(-8px);
    background-color: var(--ts-accent-soft);
  }
  55% {
    opacity: 1;
    transform: translateX(0);
    background-color: var(--ts-accent-soft);
  }
  100% {
    background-color: transparent;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--ts-font);
  color: var(--ts-ink);
  background: var(--ts-bg);
  min-height: 100vh;
}

/* ---- Header (modern, light) -------------------------------------------- */
.uoa-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--ts-header-h);
  z-index: 10000;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 16px;
  background: var(--ts-header-bg);
  backdrop-filter: saturate(1.1) blur(8px);
  -webkit-backdrop-filter: saturate(1.1) blur(8px);
  color: var(--ts-ink);
  border-bottom: 1px solid var(--ts-border);
}

/* Panel collapse control */
.uoa-header-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid var(--ts-border);
  border-radius: 8px;
  background: var(--ts-surface);
  color: var(--ts-ink-soft);
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition:
    background 0.18s var(--ts-ease-soft),
    border-color 0.18s var(--ts-ease-soft),
    transform 0.18s var(--ts-ease);
}
.uoa-header-toggle:hover {
  background: var(--ts-surface-2);
  border-color: var(--ts-border-strong);
}
.uoa-header-toggle:active {
  transform: scale(0.97);
}
.uoa-header-toggle svg {
  transition: transform 0.25s var(--ts-ease);
}
.uoa-header-toggle[aria-expanded="false"] svg {
  transform: rotate(180deg);
}

.uoa-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
  height: 22px;
  width: auto;
}
.uoa-logo--dark {
  display: none;
}
html[data-ts-theme="dark"] .uoa-logo--light {
  display: none;
}
html[data-ts-theme="dark"] .uoa-logo--dark {
  display: inline-flex;
}

.uoa-wordmark {
  display: inline-flex;
  align-items: center;
  margin-left: -6px;
  font-weight: 600;
  font-size: 1.06rem;
  letter-spacing: 0.01em;
  white-space: nowrap;
  color: var(--ts-ink);
}

.uoa-header-spacer {
  flex: 1 1 auto;
}

.uoa-header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* Connection status */
.uoa-conn {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 0.86rem;
  color: var(--ts-muted);
}
.uoa-conn-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #c9ced4;
  transition:
    background-color 0.32s var(--ts-ease),
    box-shadow 0.32s var(--ts-ease);
}
#uoa-conn-text {
  display: inline-block;
  min-width: 130px;
  height: 1.35em;
  overflow: hidden;
  text-align: right;
}
.uoa-conn-stack {
  display: flex;
  flex-direction: column;
}
.uoa-conn-line {
  height: 1.35em;
  line-height: 1.35em;
  white-space: nowrap;
}
.uoa-conn-stack.is-rolling {
  animation: ts-roll-up 0.34s var(--ts-ease);
}
@keyframes ts-roll-up {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(-50%);
  }
}

/* Generic rolling value (timing + network stats). */
.uoa-roll {
  display: block;
  height: 1.25em;
  overflow: hidden;
}
.uoa-roll-stack {
  display: flex;
  flex-direction: column;
}
.uoa-roll-line {
  height: 1.25em;
  line-height: 1.25em;
  white-space: nowrap;
}
.uoa-roll-stack.is-rolling {
  animation: ts-roll-up 0.34s var(--ts-ease) forwards;
}
@keyframes ts-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0.35);
  }
  35% {
    box-shadow: 0 0 0 5px rgba(79, 70, 229, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(79, 70, 229, 0);
  }
}
.uoa-conn[data-state="connecting"] .uoa-conn-dot {
  background: var(--ts-warning);
  animation: ts-pulse 2.2s ease-out infinite;
}
.uoa-conn[data-state="ready"] .uoa-conn-dot {
  background: var(--ts-success);
}
.uoa-conn[data-state="waiting"] .uoa-conn-dot {
  background: var(--ts-success);
  animation: ts-pulse 2s ease-out infinite;
}
.uoa-conn[data-state="live"] .uoa-conn-dot {
  background: var(--ts-success);
}
.uoa-conn[data-state="error"] .uoa-conn-dot {
  background: var(--ts-error);
}

.uoa-conn {
  position: relative;
  cursor: help;
}
.uoa-conn:focus-visible {
  outline: 2px solid var(--ts-accent);
  outline-offset: 2px;
  border-radius: 6px;
}
.uoa-conn-tip {
  position: absolute;
  top: calc(100% + 8px);
  right: -6px;
  width: 260px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--ts-border);
  background: var(--ts-surface);
  color: var(--ts-ink-soft);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
  font-size: 0.78rem;
  font-weight: 400;
  line-height: 1.5;
  letter-spacing: 0;
  text-align: left;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  pointer-events: none;
  transition:
    opacity 0.12s ease,
    transform 0.12s ease,
    visibility 0.12s ease;
  z-index: 30;
}
.uoa-conn:hover .uoa-conn-tip,
.uoa-conn:focus .uoa-conn-tip,
.uoa-conn:focus-within .uoa-conn-tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.uoa-conn-tip-title {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ts-ink);
}
.uoa-conn-legend {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.uoa-conn-legend-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.uoa-conn-swatch {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  margin-top: 1px;
  border-radius: 50%;
  background: #c9ced4;
}
.uoa-conn-swatch[data-state="connecting"] {
  background: var(--ts-warning);
}
.uoa-conn-swatch[data-state="waiting"],
.uoa-conn-swatch[data-state="live"],
.uoa-conn-swatch[data-state="ready"] {
  background: var(--ts-success);
}
.uoa-conn-swatch[data-state="error"] {
  background: var(--ts-error);
}
.uoa-conn-legend-text {
  flex: 1 1 auto;
}
.uoa-conn-legend-text b {
  font-weight: 600;
}
.uoa-conn-tip-flow {
  display: block;
  margin-top: 9px;
  padding-top: 8px;
  border-top: 1px solid var(--ts-border);
  font-size: 0.72rem;
  opacity: 0.7;
}

/* ---- Background: subtle diagonal cross-hatch -------------------------- */
.uoa-watermark {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent 0 23px,
      var(--ts-hatch) 23px 24px
    ),
    repeating-linear-gradient(
      -45deg,
      transparent 0 23px,
      var(--ts-hatch) 23px 24px
    );
}

/* ---- Agent switcher — pinned to the top of the sidebar ----------------- */
.uoa-agent-bar {
  flex: 0 0 auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--ts-border);
  background: var(--ts-surface);
}
.uoa-agent-bar-heading {
  display: flex;
  align-items: center;
  gap: 6px;
}
.uoa-agent-bar-label {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ts-ink-soft);
}
.uoa-agent-tip {
  position: relative;
  display: inline-flex;
  align-items: center;
  color: var(--ts-ink-soft);
  cursor: help;
  outline: none;
}
.uoa-agent-tip:hover,
.uoa-agent-tip:focus-visible {
  color: var(--ts-accent);
}
.uoa-agent-tip-icon {
  display: block;
}
.uoa-agent-tip-popup {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  z-index: 20;
  width: max-content;
  max-width: 260px;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--ts-border);
  background: var(--ts-surface);
  color: var(--ts-ink);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.16);
  font-weight: 400;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition:
    opacity 0.12s ease,
    transform 0.12s ease,
    visibility 0.12s ease;
}
.uoa-agent-tip:hover .uoa-agent-tip-popup,
.uoa-agent-tip:focus-within .uoa-agent-tip-popup {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.uoa-agent-tip-title {
  display: block;
  margin-bottom: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--ts-ink);
}
.uoa-agent-tip-steps {
  margin: 0;
  padding-left: 18px;
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--ts-ink-soft);
}
.uoa-agent-tip-steps li + li {
  margin-top: 4px;
}
.uoa-agent-tip-steps code {
  font-size: 0.72rem;
  word-break: break-all;
  color: var(--ts-ink);
}
.uoa-tip-link {
  color: var(--ts-accent);
  text-decoration: underline;
}
.uoa-tip-cmd-copy {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 4px;
  padding: 2px 8px;
  border: 1px solid var(--ts-border);
  border-radius: 6px;
  background: var(--ts-accent);
  color: var(--ts-surface);
  font-size: 0.72rem;
  font-weight: 500;
  cursor: pointer;
  transition: filter 0.12s ease;
}
.uoa-tip-cmd-copy:hover {
  filter: brightness(1.06);
}
.uoa-tip-cmd-tick {
  display: none;
}
.uoa-tip-cmd-copy.is-copied .uoa-tip-cmd-tick {
  display: block;
}
.uoa-agent-form {
  display: flex;
  gap: 6px;
}
.uoa-agent-input {
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--ts-font);
  font-size: 0.92rem;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--ts-border);
  color: var(--ts-ink);
  background-color: var(--ts-surface);
  transition: border-color 0.12s ease;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
}
.uoa-agent-input:hover {
  border-color: var(--ts-border-strong);
}
.uoa-agent-input:focus {
  outline: none;
  border-color: var(--ts-accent);
}
.uoa-agent-apply {
  flex: 0 0 auto;
  align-self: center;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--ts-accent);
  color: #fff;
  background-color: var(--ts-accent);
  cursor: pointer;
  transition: filter 0.12s ease;
}
.uoa-agent-apply:hover {
  filter: brightness(1.06);
}
.uoa-agent-info {
  margin-top: 4px;
}
.uoa-agent-error {
  margin: 4px 0 0;
  font-size: 0.78rem;
  color: var(--ts-danger, #d64545);
}
.uoa-agent-input[aria-invalid="true"] {
  border-color: var(--ts-danger, #d64545);
}

/* ---- Widget feature toggles — the "UI configuration" section ----------- */
.uoa-feature-toggles {
  display: flex;
  flex-direction: column;
  gap: 7px;
}
.uoa-feature-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--ts-ink-soft);
  cursor: pointer;
}
.uoa-feature-toggle input {
  cursor: pointer;
  accent-color: var(--ts-accent);
}

/* ---- Debug panel — docked left-hand column ----------------------------- */
.uoa-sidebar {
  position: fixed;
  left: 0;
  top: var(--ts-header-h);
  bottom: 0;
  width: var(--ts-sidebar-w);
  z-index: 500;
  display: flex;
  flex-direction: column;
  background: var(--ts-surface);
  border-right: 1px solid var(--ts-border);
  overflow: hidden;
  transition:
    transform 0.36s var(--ts-ease),
    background-color 0.25s var(--ts-ease-soft),
    border-color 0.25s var(--ts-ease-soft);
  will-change: transform;
}
.uoa-sidebar.is-collapsed {
  transform: translateX(-100%);
}

.uoa-hud {
  display: flex;
  flex-direction: column;
  flex: 1 1 auto;
  min-height: 0;
  font-size: 0.9rem;
}
.uoa-hud-body {
  flex: 1 1 auto;
  overflow-y: auto;
  padding: 6px 0;
}

/* ---- Theme toggle — pinned to the bottom of the sidebar ---------------- */
.uoa-theme-bar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 12px;
  padding: 12px 16px;
  border-top: 1px solid var(--ts-border);
  background: var(--ts-surface);
}
/* Sun/moon flanking the switch — the active theme's icon is highlighted. */
.uoa-theme-ico {
  display: inline-flex;
  align-items: center;
  color: var(--ts-border-strong);
  transition: color 0.2s var(--ts-ease);
}
html:not([data-ts-theme="dark"]) .uoa-theme-ico--sun {
  color: var(--ts-accent);
}
html[data-ts-theme="dark"] .uoa-theme-ico--moon {
  color: var(--ts-accent);
}
.uoa-theme-switch {
  position: relative;
  flex: 0 0 auto;
  width: 40px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--ts-border-strong);
  border-radius: 999px;
  background: var(--ts-surface-2);
  cursor: pointer;
  transition:
    background-color 0.2s var(--ts-ease),
    border-color 0.2s var(--ts-ease);
}
.uoa-theme-switch:focus-visible {
  outline: 2px solid var(--ts-accent);
  outline-offset: 2px;
}
.uoa-theme-thumb {
  position: absolute;
  top: 50%;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ts-surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.25);
  transform: translateY(-50%);
  transition: transform 0.22s var(--ts-ease);
}
.uoa-theme-switch[aria-checked="true"] {
  background: var(--ts-accent);
  border-color: var(--ts-accent);
}
.uoa-theme-switch[aria-checked="true"] .uoa-theme-thumb {
  transform: translate(18px, -50%);
}

.uoa-section {
  border-bottom: 1px solid var(--ts-border);
}
.uoa-section:last-child {
  border-bottom: none;
}
.uoa-section-head {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 14px 16px 8px;
  font-family: var(--ts-font);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ts-ink-soft);
  text-align: left;
}
.uoa-section-body {
  padding: 0 16px 14px;
}
.uoa-section-head .uoa-count {
  font-weight: 500;
  color: var(--ts-muted);
  text-transform: none;
  letter-spacing: 0;
}
.uoa-section-head .uoa-count:empty {
  display: none;
}
.uoa-section-head .uoa-count.is-error {
  color: var(--ts-error);
  font-weight: 700;
}
.uoa-copy-btn {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  padding: 0;
  border: 1px solid var(--ts-border);
  border-radius: 6px;
  background: var(--ts-surface);
  color: var(--ts-muted);
  cursor: pointer;
  transition:
    background-color 0.12s var(--ts-ease),
    border-color 0.12s var(--ts-ease),
    color 0.12s var(--ts-ease);
}
.uoa-copy-btn:hover {
  background: var(--ts-surface-2);
  border-color: var(--ts-border-strong);
  color: var(--ts-ink-soft);
}
.uoa-copy-btn.is-copied {
  color: var(--ts-success);
  border-color: var(--ts-success);
}

.uoa-stat-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.uoa-stat {
  background: var(--ts-stat-bg);
  border-radius: var(--ts-radius);
  padding: 10px 12px;
  text-align: left;
  transition: background-color 0.2s var(--ts-ease);
}
.uoa-stat .uoa-stat-value {
  font-family: var(--ts-mono);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ts-ink);
}
.uoa-stat .uoa-stat-label {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.68rem;
  color: var(--ts-muted);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-top: 4px;
}

.uoa-info {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 1px solid var(--ts-border-strong);
  color: var(--ts-muted);
  font-size: 0.58rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0;
  cursor: help;
  transition:
    border-color 0.12s var(--ts-ease),
    color 0.12s var(--ts-ease);
}
.uoa-info:hover,
.uoa-info:focus-visible {
  border-color: var(--ts-accent);
  color: var(--ts-accent);
  outline: none;
}
.uoa-tip {
  position: absolute;
  bottom: calc(100% + 8px);
  right: -6px;
  width: 210px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--ts-tip-bg);
  color: var(--ts-tip-fg);
  font-size: 0.72rem;
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0;
  text-transform: none;
  text-align: left;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition:
    opacity 0.18s var(--ts-ease),
    transform 0.18s var(--ts-ease);
  z-index: 30;
}
.uoa-tip::after {
  content: "";
  position: absolute;
  top: 100%;
  right: 10px;
  border: 5px solid transparent;
  border-top-color: var(--ts-tip-bg);
}
.uoa-info:hover .uoa-tip,
.uoa-info:focus .uoa-tip,
.uoa-info:focus-within .uoa-tip {
  opacity: 1;
  transform: translateY(0);
}

.uoa-kv {
  display: grid;
  grid-template-columns: minmax(95px, auto) 1fr;
  gap: 6px 12px;
  font-size: 0.83rem;
}
.uoa-kv dt {
  color: var(--ts-muted);
}
.uoa-kv dd {
  margin: 0;
  font-family: var(--ts-mono);
  font-size: 0.79rem;
  line-height: 1.35;
  word-break: break-all;
  color: var(--ts-ink-soft);
  animation: ts-fade-in 0.3s var(--ts-ease);
}
#uoa-agent-info .uoa-kv dd:nth-of-type(1),
#uoa-agent-info .uoa-kv dd:nth-of-type(3) {
  min-height: 2.7em;
}
#uoa-agent-info .uoa-kv dd:nth-of-type(2) {
  min-height: 4.05em;
}
.uoa-kv dd.uoa-roll {
  animation: none;
  word-break: normal;
}
.uoa-link {
  color: var(--ts-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity 0.12s var(--ts-ease);
}
.uoa-link:hover,
.uoa-link:focus-visible {
  opacity: 0.75;
  outline: none;
}

.uoa-events {
  font-family: var(--ts-mono);
  font-size: 0.79rem;
  max-height: 280px;
  overflow-y: auto;
}
.uoa-event {
  border-bottom: 1px dashed var(--ts-border);
  padding: 5px 0;
}
.uoa-events .uoa-event:first-child {
  animation: ts-event-in 0.6s var(--ts-ease);
}
.uoa-event pre {
  transition:
    opacity 0.2s var(--ts-ease),
    max-height 0.28s var(--ts-ease);
}
.uoa-event-head {
  display: flex;
  gap: 8px;
  cursor: pointer;
  align-items: baseline;
}
.uoa-event-time {
  color: var(--ts-muted);
}
.uoa-event-name {
  font-weight: 700;
}
.uoa-event-name.ev-send {
  color: var(--ts-accent);
}
.uoa-event-name.ev-receive {
  color: var(--ts-success);
}
.uoa-event-name.ev-error {
  color: var(--ts-error);
}
.uoa-event pre {
  margin: 4px 0 0;
  padding: 8px;
  background: var(--ts-surface-2);
  border-radius: 8px;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 180px;
  overflow: auto;
}
.uoa-event:not(.is-open) pre {
  display: none;
}

/* Errors */
.uoa-error-item {
  background: var(--ts-error-bg);
  border: 1px solid var(--ts-error-border);
  border-radius: 8px;
  padding: 7px 9px;
  margin-bottom: 6px;
  color: var(--ts-error-ink);
  font-size: 0.82rem;
  animation: ts-slide-in 0.28s var(--ts-ease);
}
.uoa-empty {
  color: var(--ts-muted);
  font-size: 0.83rem;
}

/* ---- Responsive --------------------------------------------------------- */
@media (max-width: 900px) {
  :root {
    --ts-sidebar-w: 340px;
  }
}
@media (max-width: 680px) {
  .uoa-header {
    height: auto;
    flex-wrap: wrap;
    padding: 8px 12px;
    gap: 8px;
  }
  :root {
    --ts-header-h: 96px;
  }
  .uoa-sidebar {
    left: 0;
    right: 0;
    width: auto;
    top: auto;
    bottom: 0;
    max-height: 55vh;
    border-right: none;
    border-top: 1px solid var(--ts-border);
  }
}

/* ---- Snackbar — transient toasts for async errors ---------------------- */
.uoa-snackbar-host {
  position: fixed;
  top: calc(var(--ts-header-h) + 12px);
  right: 16px;
  z-index: 11000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: max-content;
  max-width: min(380px, calc(100vw - 32px));
  pointer-events: none;
}
.uoa-snackbar {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 0.83rem;
  line-height: 1.35;
  color: #fff;
  background: var(--ts-danger, #d64545);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.28);
  pointer-events: auto;
  opacity: 0;
  transform: translateX(12px);
}
.uoa-snackbar.is-in {
  animation: uoa-snackbar-in 0.24s var(--ts-ease) forwards;
}
.uoa-snackbar.is-leaving {
  animation: uoa-snackbar-out 0.2s var(--ts-ease-soft) forwards;
}
.uoa-snackbar-text {
  flex: 1;
}
.uoa-snackbar-close {
  flex: none;
  margin: -2px -2px 0 0;
  padding: 0 4px;
  border: 0;
  background: transparent;
  color: inherit;
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  opacity: 0.8;
}
.uoa-snackbar-close:hover {
  opacity: 1;
}
@keyframes uoa-snackbar-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}
@keyframes uoa-snackbar-out {
  to {
    opacity: 0;
    transform: translateX(12px);
  }
}