:root {
  color-scheme: dark;
  --bg-canvas: #0a1019;
  --bg-depth: #0d1523;
  --fg: #f2f5ff;
  --muted: #a9b6d3;
  --line-soft: rgba(255, 255, 255, 0.11);
  --line-strong: rgba(255, 255, 255, 0.2);
  --glass: rgba(255, 255, 255, 0.07);
  --glass-strong: rgba(255, 255, 255, 0.12);
  --glass-hover: rgba(255, 255, 255, 0.16);
  --accent: #6fe7cb;
  --accent-ink: #dffff5;
  --warning: #ffd487;
  --danger: #ff9ea0;
  --radius-panel: 16px;
  --radius-control: 12px;
  --radius-pill: 999px;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: "SF Pro Text", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--fg);
  background:
    radial-gradient(115% 90% at 0% -8%, rgba(114, 181, 255, 0.24), transparent 56%),
    radial-gradient(90% 80% at 100% 0%, rgba(96, 239, 193, 0.2), transparent 60%),
    linear-gradient(180deg, #111a2b 0%, var(--bg-depth) 44%, var(--bg-canvas) 100%);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 1.02rem;
  font-weight: 620;
  letter-spacing: 0.01em;
}

h2 {
  font-size: 0.74rem;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--muted);
  font-weight: 600;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.82rem 1rem;
  border-bottom: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(16, 23, 38, 0.86), rgba(16, 23, 38, 0.62));
  backdrop-filter: blur(16px) saturate(125%);
  -webkit-backdrop-filter: blur(16px) saturate(125%);
}

.subtitle {
  margin-top: 0.14rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.badge {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  background: var(--glass);
  padding: 0.34rem 0.62rem;
  font-size: 0.72rem;
  font-weight: 560;
  color: var(--muted);
}

.badge.connected {
  border-color: rgba(111, 231, 203, 0.58);
  color: var(--accent);
  background: rgba(111, 231, 203, 0.14);
}

.badge.stale {
  border-color: rgba(255, 212, 135, 0.58);
  color: var(--warning);
  background: rgba(255, 212, 135, 0.14);
}

.layout {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0.9rem;
  display: grid;
  gap: 0.9rem;
}

.panel {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-panel);
  padding: 0.86rem;
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.04) 52%, rgba(255, 255, 255, 0.08)),
    rgba(15, 22, 36, 0.56);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.18),
    inset 0 -1px 0 rgba(255, 255, 255, 0.04),
    0 14px 32px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px) saturate(130%);
  -webkit-backdrop-filter: blur(18px) saturate(130%);
}

.pairing {
  display: grid;
  gap: 0.64rem;
}

.kv {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.34rem 0.66rem;
}

.kv dt {
  color: var(--muted);
}

.kv dd {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.42rem;
}

button {
  min-height: 2.25rem;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-control);
  background: var(--glass);
  color: var(--fg);
  padding: 0.42rem 0.74rem;
  font-weight: 560;
  cursor: pointer;
  transition:
    background 140ms ease,
    border-color 140ms ease,
    transform 120ms ease;
}

button:hover {
  background: var(--glass-hover);
  border-color: var(--line-strong);
}

button:active {
  transform: translateY(1px);
}

button.primary {
  border-color: rgba(111, 231, 203, 0.54);
  background: rgba(111, 231, 203, 0.18);
  color: var(--accent-ink);
}

button.primary:hover {
  background: rgba(111, 231, 203, 0.24);
}

.status {
  color: var(--muted);
  font-size: 0.81rem;
}

.two-pane {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 0.9rem;
  min-height: 62vh;
}

.sidebar {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto auto auto auto auto;
  gap: 0.42rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding-right: 0.74rem;
}

.list {
  list-style: none;
  margin: 0;
  padding: 0.12rem;
  max-height: 28vh;
  overflow: auto;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  background: rgba(6, 10, 18, 0.3);
}

.list li {
  padding: 0.44rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 9px;
  cursor: pointer;
  line-height: 1.28;
}

.list li:hover {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.08);
}

.list li.active {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.15);
}

.thread-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.thread-title {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thread-badges {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.25rem;
}

.thread-badge {
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.07);
  color: var(--muted);
  font-size: 0.63rem;
  font-weight: 560;
  padding: 0.09rem 0.34rem;
}

.thread-badge.running {
  border-color: rgba(111, 231, 203, 0.56);
  color: var(--accent);
}

.thread-badge.approval {
  border-color: rgba(255, 158, 160, 0.58);
  color: var(--danger);
}

.thread-badge.unread {
  border-color: rgba(255, 212, 135, 0.58);
  color: var(--warning);
}

.approval-list li {
  cursor: default;
}

.approval-row {
  display: grid;
  gap: 0.32rem;
}

.approval-summary {
  font-size: 0.79rem;
  color: var(--muted);
}

.approval-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.32rem;
}

.approval-actions button {
  min-height: 1.75rem;
  padding: 0.22rem 0.46rem;
  font-size: 0.71rem;
}

.thread-view {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 0.64rem;
}

.messages {
  overflow: auto;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.09);
  background: rgba(6, 10, 18, 0.34);
  padding: 0.54rem;
}

.message {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.42rem 0.08rem;
  line-height: 1.34;
}

.message:last-child {
  border-bottom: 0;
}

.message .meta {
  margin-bottom: 0.19rem;
  font-size: 0.72rem;
  color: var(--muted);
}

.composer {
  display: grid;
  gap: 0.44rem;
}

textarea {
  width: 100%;
  min-height: 5.2rem;
  resize: vertical;
  border: 1px solid var(--line-soft);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--fg);
  padding: 0.6rem;
  font: inherit;
}

textarea::placeholder {
  color: rgba(169, 182, 211, 0.82);
}

button:focus-visible,
textarea:focus-visible,
.list li:focus-visible {
  outline: 2px solid rgba(111, 231, 203, 0.55);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 880px) {
  .layout {
    padding: 0.72rem;
  }

  .two-pane {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-right: 0;
    padding-bottom: 0.8rem;
  }

  .list {
    max-height: 22vh;
  }
}