:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #182326;
  background: #eef2f1;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #eef2f1; }
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .55; }

.topbar {
  min-height: 76px;
  padding: 14px clamp(16px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  color: #f7fbfa;
  background: #12343b;
  border-bottom: 4px solid #d28f24;
}

.brand { display: flex; align-items: center; gap: 12px; min-width: 180px; }
.brand img { display: block; flex: 0 0 auto; }
.brand h1 { margin: 0; font-size: 23px; line-height: 1; letter-spacing: 0; }
.brand p { margin: 4px 0 0; color: #b9cccb; font-size: 13px; }

.channel-form { display: flex; align-items: end; gap: 10px; }
.channel-form label { min-width: min(280px, 46vw); color: #d6e2df; }
label { display: flex; flex-direction: column; gap: 6px; color: #465556; font-size: 12px; font-weight: 700; }

input, select {
  min-height: 40px;
  padding: 8px 11px;
  color: #182326;
  background: #fff;
  border: 1px solid #b9c6c3;
  border-radius: 6px;
  outline: none;
}
input:focus, select:focus { border-color: #1b8a6b; box-shadow: 0 0 0 3px #d5eee5; }

.primary-button, .secondary-button, .danger-button {
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid transparent;
  border-radius: 6px;
  font-weight: 760;
}
.primary-button { color: #102022; background: #f3b447; }
.primary-button:hover { background: #d99a2f; }
.secondary-button { color: #263433; background: #fff; border-color: #b9c6c3; }
.secondary-button:hover { border-color: #78908a; }
.danger-button { color: #9d222b; background: #fff; border-color: #e2b9bd; }
.danger-button:hover { background: #fff5f6; }

.workspace {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  min-height: calc(100vh - 80px);
}

.sidebar {
  padding: 24px 18px;
  background: #f8faf9;
  border-right: 1px solid #d8e0de;
}

.section-heading {
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
h2 { margin: 0; font-size: 18px; letter-spacing: 0; }
.section-heading span {
  color: #61716e;
  font-size: 12px;
  font-weight: 750;
}

.channel-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}
.channel {
  width: 100%;
  min-height: 78px;
  padding: 12px;
  color: #273432;
  background: #fff;
  border: 1px solid #d8e0de;
  border-radius: 8px;
  text-align: left;
}
.channel.active { border-color: #1b8a6b; box-shadow: inset 4px 0 0 #1b8a6b; }
.channel strong, .channel span, .channel em { display: block; overflow-wrap: anywhere; }
.channel strong { font-size: 14px; }
.channel span { margin-top: 5px; color: #60706d; font-size: 12px; }
.channel em { margin-top: 8px; color: #986214; font-size: 11px; font-style: normal; font-weight: 800; }

.inspector {
  padding: 24px clamp(16px, 3vw, 36px) 40px;
}

.endpoint-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  min-height: 78px;
  padding: 16px;
  background: #fff;
  border: 1px solid #d8e0de;
  border-radius: 8px;
}
.kicker {
  display: block;
  margin-bottom: 6px;
  color: #61716e;
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}
code {
  display: block;
  overflow-wrap: anywhere;
  color: #0f5142;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 14px;
}
.endpoint-actions { display: flex; gap: 8px; }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 14px;
  background: #fff;
  border: 1px solid #d8e0de;
  border-radius: 8px;
}
.stats div { min-height: 92px; padding: 18px; display: flex; flex-direction: column; justify-content: center; }
.stats div + div { border-left: 1px solid #d8e0de; }
.stats strong { color: #12343b; font-size: 27px; line-height: 1; overflow-wrap: anywhere; }
.stats span { margin-top: 8px; color: #60706d; font-size: 12px; font-weight: 700; }

.protocol-lab {
  margin-top: 14px;
  padding: 0 16px;
  background: #fff;
  border: 1px solid #d8e0de;
  border-radius: 8px;
}
.protocol-lab summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  min-height: 54px;
  padding: 16px 0;
  color: #182326;
  font-size: 15px;
  font-weight: 780;
  cursor: pointer;
  list-style: none;
}
.protocol-lab summary::-webkit-details-marker { display: none; }
.protocol-lab summary::before { content: "\25b8"; color: #986214; }
.protocol-lab[open] summary::before { content: "\25be"; }
.protocol-lab[open] summary { border-bottom: 1px solid #e6ecea; }
.protocol-lab summary em { color: #61716e; font-size: 12px; font-style: normal; font-weight: 600; }
.probe-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 14px 0; }
#probe-output { max-height: 240px; margin-bottom: 16px; }

.detail-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.toolbar {
  display: flex;
  align-items: end;
  justify-content: flex-end;
  gap: 12px;
  margin: 18px 0;
}
.search-field { width: min(360px, 46vw); }

.split-view {
  display: grid;
  grid-template-columns: minmax(320px, .9fr) minmax(360px, 1.1fr);
  gap: 16px;
  align-items: start;
}
.event-list, .detail-panel {
  min-width: 0;
  padding: 16px;
  background: #fff;
  border: 1px solid #d8e0de;
  border-radius: 8px;
}
#events { display: grid; gap: 8px; margin-top: 12px; }
.event {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) auto;
  grid-template-areas:
    "method path time"
    "method size size";
  gap: 4px 10px;
  width: 100%;
  min-height: 66px;
  padding: 10px 12px;
  color: #253231;
  background: #f9fbfa;
  border: 1px solid #d8e0de;
  border-radius: 7px;
  text-align: left;
}
.event.active { border-color: #1b8a6b; background: #effaf6; }
.method {
  grid-area: method;
  align-self: center;
  justify-self: start;
  min-width: 58px;
  padding: 6px 8px;
  color: #11362f;
  background: #dcefe8;
  border-radius: 5px;
  font-size: 12px;
  font-weight: 850;
  text-align: center;
}
.event strong { grid-area: path; overflow-wrap: anywhere; font-size: 14px; }
.event time { grid-area: time; color: #63726f; font-size: 12px; }
.event em { grid-area: size; color: #996214; font-size: 12px; font-style: normal; }

.empty-state {
  padding: 52px 16px;
  color: #52625f;
  text-align: center;
}
.empty-state img { opacity: .52; }
.empty-state h3 { margin: 12px 0 4px; font-size: 17px; }
.empty-state p { margin: 0; font-size: 13px; }

.detail-empty {
  min-height: 320px;
  display: grid;
  place-items: center;
  color: #657571;
  background: #f8faf9;
  border: 1px dashed #becbc8;
  border-radius: 7px;
}
.detail-content { display: grid; gap: 12px; margin-top: 12px; }
.detail-row {
  display: grid;
  grid-template-columns: 112px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 13px;
}
.detail-row span, .detail-block span {
  color: #64736f;
  font-size: 12px;
  font-weight: 800;
}
.detail-row strong { min-width: 0; overflow-wrap: anywhere; font-weight: 700; }
.detail-block { display: grid; gap: 7px; }
pre {
  max-height: 280px;
  margin: 0;
  padding: 12px;
  overflow: auto;
  color: #f4fbfa;
  background: #172326;
  border-radius: 7px;
  font-family: ui-monospace, SFMono-Regular, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  max-width: min(380px, calc(100vw - 44px));
  padding: 12px 16px;
  color: #fff;
  background: #172326;
  border-left: 4px solid #1b8a6b;
  border-radius: 6px;
  box-shadow: 0 12px 28px #11182033;
  font-size: 13px;
}

@media (max-width: 980px) {
  .workspace { grid-template-columns: 1fr; }
  .sidebar { border-right: 0; border-bottom: 1px solid #d8e0de; }
  .channel-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .split-view { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .stats div:nth-child(odd) { border-left: 0; }
  .stats div:nth-child(n + 3) { border-top: 1px solid #d8e0de; }
}

@media (max-width: 640px) {
  .topbar, .channel-form, .endpoint-band, .toolbar { align-items: stretch; flex-direction: column; }
  .topbar, .channel-form, .toolbar { display: flex; }
  .endpoint-band { grid-template-columns: 1fr; }
  .channel-form label, .search-field { width: auto; min-width: 0; }
  .workspace { min-height: auto; }
  .channel-list, .stats { grid-template-columns: 1fr; }
  .stats div + div { border-left: 0; border-top: 1px solid #d8e0de; }
  .endpoint-actions { display: grid; grid-template-columns: repeat(auto-fit, minmax(88px, 1fr)); }
  .probe-actions { display: grid; }
  .event { grid-template-columns: 1fr; grid-template-areas: "method" "path" "time" "size"; }
  .detail-row { grid-template-columns: 1fr; gap: 4px; }
}