:root {
  color-scheme: dark;
  --page: #090b0f;
  --page-2: #0d1117;
  --surface: #121720;
  --surface-2: #171e29;
  --surface-3: #1d2633;
  --glass: rgba(18, 23, 32, 0.84);
  --ink: #f3f7fb;
  --muted: #9ba8b7;
  --faint: #697586;
  --line: rgba(154, 169, 186, 0.16);
  --line-strong: rgba(154, 169, 186, 0.28);
  --green: #4ee3a0;
  --green-strong: #18c47f;
  --green-soft: rgba(78, 227, 160, 0.13);
  --blue: #66c2ff;
  --blue-strong: #2f8cff;
  --blue-soft: rgba(102, 194, 255, 0.13);
  --amber: #ffd166;
  --amber-soft: rgba(255, 209, 102, 0.14);
  --red: #ff6b86;
  --red-soft: rgba(255, 107, 134, 0.14);
  --violet: #b9a4ff;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.46);
  --shadow-soft: 0 16px 40px rgba(0, 0, 0, 0.28);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(180deg, rgba(102, 194, 255, 0.08), transparent 280px),
    linear-gradient(135deg, rgba(78, 227, 160, 0.06), transparent 42%),
    var(--page);
  color: var(--ink);
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.8), transparent 76%);
  content: "";
}

button,
input {
  font: inherit;
}

.shell {
  width: min(1480px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 18px;
}

.brand,
.top-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.mark {
  display: grid;
  grid-template-columns: repeat(3, 8px);
  align-items: end;
  gap: 4px;
  width: 48px;
  height: 48px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), transparent),
    var(--surface);
  box-shadow: var(--shadow-soft);
}

.mark span {
  display: block;
  width: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 18px rgba(78, 227, 160, 0.4);
}

.mark span:nth-child(1) {
  height: 14px;
}

.mark span:nth-child(2) {
  height: 25px;
  background: var(--blue);
  box-shadow: 0 0 18px rgba(102, 194, 255, 0.42);
}

.mark span:nth-child(3) {
  height: 18px;
  background: var(--amber);
  box-shadow: 0 0 18px rgba(255, 209, 102, 0.36);
}

.eyebrow,
.section-kicker {
  margin: 0;
  color: var(--green);
  font-size: 11px;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

.section-kicker {
  color: var(--muted);
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  overflow: hidden;
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.02;
  text-overflow: ellipsis;
  white-space: nowrap;
}

h2 {
  margin-top: 2px;
  font-size: 17px;
}

.endpoint,
.status {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--glass);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.endpoint {
  gap: 10px;
  padding: 0 12px;
}

.endpoint span {
  border: 1px solid rgba(102, 194, 255, 0.2);
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 11px;
  font-weight: 850;
  padding: 4px 7px;
}

.endpoint code {
  color: var(--ink);
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 13px;
}

.status {
  gap: 10px;
  min-width: 132px;
  padding: 0 14px;
  color: var(--muted);
  font-weight: 750;
}

.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 4px var(--amber-soft), 0 0 18px rgba(255, 209, 102, 0.42);
}

.status.live .dot {
  background: var(--green);
  box-shadow: 0 0 0 4px var(--green-soft), 0 0 20px rgba(78, 227, 160, 0.5);
}

.status.offline .dot {
  background: var(--red);
  box-shadow: 0 0 0 4px var(--red-soft), 0 0 20px rgba(255, 107, 134, 0.45);
}

.layout {
  display: grid;
  gap: 14px;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metrics article,
.toolbar,
.packets,
.details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent),
    var(--glass);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(14px);
}

.metrics article {
  position: relative;
  min-height: 108px;
  overflow: hidden;
  padding: 17px;
}

.metrics article::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, var(--green), var(--blue), var(--violet));
  content: "";
}

.metrics article::after {
  position: absolute;
  right: 14px;
  bottom: 12px;
  width: 56px;
  height: 28px;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  content: "";
}

.metrics span {
  display: block;
  margin-bottom: 14px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.metrics strong {
  display: block;
  overflow: hidden;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.05;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toolbar {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
  padding: 14px;
}

.search {
  display: grid;
  flex: 1;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.search input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(9, 11, 15, 0.45);
  color: var(--ink);
  outline: none;
  padding: 0 13px;
}

.search input::placeholder {
  color: var(--faint);
}

.search input:focus {
  border-color: rgba(102, 194, 255, 0.78);
  background: rgba(9, 11, 15, 0.62);
  box-shadow: 0 0 0 4px var(--blue-soft);
}

.actions {
  display: flex;
  gap: 8px;
}

button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.055), transparent),
    var(--surface-2);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
  padding: 0 14px;
  transition:
    border-color 140ms ease,
    background 140ms ease,
    box-shadow 140ms ease,
    transform 140ms ease;
}

button:hover {
  border-color: rgba(102, 194, 255, 0.7);
  box-shadow: 0 0 0 4px var(--blue-soft);
  transform: translateY(-1px);
}

button.active {
  border-color: rgba(78, 227, 160, 0.5);
  background:
    linear-gradient(180deg, rgba(78, 227, 160, 0.18), transparent),
    var(--surface-2);
  color: var(--green);
}

.content {
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 14px;
  min-height: 630px;
}

.packets,
.details {
  min-width: 0;
  overflow: hidden;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 66px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.025);
}

.section-head span {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 11, 15, 0.42);
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  padding: 7px 10px;
  white-space: nowrap;
}

.packet-list {
  height: calc(100vh - 326px);
  min-height: 560px;
  overflow: auto;
  padding: 10px;
  scrollbar-color: var(--surface-3) transparent;
}

.packet {
  width: 100%;
  margin: 0 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(13, 17, 23, 0.72);
  color: var(--ink);
  text-align: left;
  transition:
    border-color 140ms ease,
    background 140ms ease,
    transform 140ms ease,
    box-shadow 140ms ease;
}

.packet:hover {
  transform: translateY(-1px);
}

.packet.active {
  border-color: rgba(78, 227, 160, 0.72);
  background:
    linear-gradient(135deg, rgba(78, 227, 160, 0.17), rgba(102, 194, 255, 0.06)),
    rgba(13, 17, 23, 0.9);
  box-shadow: 0 0 0 4px rgba(78, 227, 160, 0.08);
}

.packet-main {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-weight: 900;
}

.packet-meta {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.table-wrap {
  max-height: 410px;
  overflow: auto;
  scrollbar-color: var(--surface-3) transparent;
}

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

th,
td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #121720;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

td {
  color: #dce6ef;
  font-size: 13px;
}

td:first-child {
  color: var(--ink);
  font-weight: 850;
}

td.value {
  color: var(--green);
  font-variant-numeric: tabular-nums;
  font-weight: 900;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.025);
}

.json-panel {
  margin: 14px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 9, 13, 0.72);
}

.json-panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 58px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.045), transparent),
    rgba(18, 23, 32, 0.92);
}

.json-panel-head strong {
  display: block;
  margin-top: 3px;
  color: var(--ink);
  font-size: 13px;
}

.json-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.json-actions button {
  min-height: 36px;
  padding: 0 11px;
}

.raw {
  height: 250px;
  margin: 0;
  overflow: auto;
  border: 0;
  border-radius: 0;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent),
    #07090d;
  color: #d7e2ef;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  line-height: 1.55;
  padding: 14px;
  white-space: pre-wrap;
  scrollbar-color: var(--surface-3) transparent;
}

.modal-open {
  overflow: hidden;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  padding: 28px;
}

.modal.open {
  display: grid;
  place-items: center;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 0%, rgba(102, 194, 255, 0.14), transparent 34rem),
    rgba(2, 4, 8, 0.78);
  backdrop-filter: blur(10px);
}

.modal-card {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1120px, 100%);
  height: min(820px, calc(100vh - 56px));
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent),
    var(--surface);
  box-shadow: var(--shadow);
}

.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 70px;
  padding: 0 16px;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 11, 15, 0.42);
}

.modal-raw {
  min-height: 0;
  margin: 0;
  overflow: auto;
  background: #07090d;
  color: #d7e2ef;
  font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  padding: 18px;
  white-space: pre-wrap;
  scrollbar-color: var(--surface-3) transparent;
}

.empty {
  padding: 18px;
  color: var(--muted);
}

@media (max-width: 980px) {
  .shell {
    padding: 16px;
  }

  .topbar,
  .toolbar {
    align-items: stretch;
    flex-direction: column;
  }

  .top-actions {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .packet-list {
    height: 300px;
    min-height: 300px;
  }
}

@media (max-width: 580px) {
  .brand {
    align-items: flex-start;
  }

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

  .actions,
  .top-actions,
  .json-actions {
    flex-direction: column;
  }

  .modal {
    padding: 12px;
  }

  .modal-head {
    align-items: stretch;
    flex-direction: column;
    padding: 14px;
  }

  th,
  td {
    padding: 10px;
  }
}