:root {
  color-scheme: light;
  --paper: #eaf2ee;
  --paper-2: #fbfffc;
  --ink: #17211f;
  --muted: #63716b;
  --line: #b7c9c0;
  --line-strong: #263a34;
  --accent: #ef5d2f;
  --accent-2: #1867c0;
  --accent-3: #dbc343;
  --danger: #b3323a;
  --ok: #18825f;
  --code: #101817;
  --code-ink: #d8f2e8;
  --wash: #d7e8e1;
  --surface: rgba(251, 255, 252, 0.88);
  --surface-strong: rgba(251, 255, 252, 0.96);
  --control: rgba(251, 255, 252, 0.82);
  --control-strong: rgba(251, 255, 252, 0.88);
  --field-bg: rgba(251, 255, 252, 0.96);
  --field-glint: rgba(255, 255, 255, 0.8);
  --header-glint: rgba(247, 255, 251, 0.34);
  --focus: rgba(24, 103, 192, 0.34);
  --mast-sheen: rgba(24, 103, 192, 0.28);
  --mast-end: #203b36;
  --command-bg: #eef7f3;
  --button-on-accent: #fff8ef;
  --comment: #8e9186;
  --error: #ff927c;
  --field-blue: rgba(24, 103, 192, 0.12);
  --field-orange: rgba(239, 93, 47, 0.06);
  --grid-x: rgba(23, 33, 31, 0.055);
  --grid-y: rgba(23, 33, 31, 0.04);
  --radius: 8px;
  --shadow: 0 24px 60px rgba(23, 33, 31, 0.13);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --paper: #101817;
    --paper-2: #17211f;
    --ink: #e7f1eb;
    --muted: #96aba2;
    --line: #385149;
    --line-strong: #9abbb0;
    --accent: #ff7748;
    --accent-2: #78b7ff;
    --accent-3: #e1cf63;
    --danger: #ff7e86;
    --ok: #58d6a8;
    --code: #07100e;
    --code-ink: #dbfff3;
    --wash: #1d2d29;
    --surface: rgba(23, 33, 31, 0.88);
    --surface-strong: rgba(23, 33, 31, 0.96);
    --control: rgba(29, 45, 41, 0.82);
    --control-strong: rgba(29, 45, 41, 0.88);
    --field-bg: rgba(7, 16, 14, 0.46);
    --field-glint: rgba(255, 255, 255, 0.09);
    --header-glint: rgba(247, 255, 251, 0.22);
    --focus: rgba(120, 183, 255, 0.38);
    --mast-sheen: rgba(120, 183, 255, 0.24);
    --mast-end: #203b36;
    --command-bg: #1d2d29;
    --button-on-accent: #101817;
    --comment: #8ba39a;
    --error: #ff9b91;
    --field-blue: rgba(120, 183, 255, 0.1);
    --field-orange: rgba(255, 119, 72, 0.07);
    --grid-x: rgba(231, 241, 235, 0.045);
    --grid-y: rgba(231, 241, 235, 0.035);
    --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --paper: #101817;
  --paper-2: #17211f;
  --ink: #e7f1eb;
  --muted: #96aba2;
  --line: #385149;
  --line-strong: #9abbb0;
  --accent: #ff7748;
  --accent-2: #78b7ff;
  --accent-3: #e1cf63;
  --danger: #ff7e86;
  --ok: #58d6a8;
  --code: #07100e;
  --code-ink: #dbfff3;
  --wash: #1d2d29;
  --surface: rgba(23, 33, 31, 0.88);
  --surface-strong: rgba(23, 33, 31, 0.96);
  --control: rgba(29, 45, 41, 0.82);
  --control-strong: rgba(29, 45, 41, 0.88);
  --field-bg: rgba(7, 16, 14, 0.46);
  --field-glint: rgba(255, 255, 255, 0.09);
  --header-glint: rgba(247, 255, 251, 0.22);
  --focus: rgba(120, 183, 255, 0.38);
  --mast-sheen: rgba(120, 183, 255, 0.24);
  --mast-end: #203b36;
  --command-bg: #1d2d29;
  --button-on-accent: #101817;
  --comment: #8ba39a;
  --error: #ff9b91;
  --field-blue: rgba(120, 183, 255, 0.1);
  --field-orange: rgba(255, 119, 72, 0.07);
  --grid-x: rgba(231, 241, 235, 0.045);
  --grid-y: rgba(231, 241, 235, 0.035);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Charter, "Iowan Old Style", Georgia, serif;
  background:
    linear-gradient(126deg, var(--field-blue), transparent 34%),
    linear-gradient(110deg, transparent 0 68%, var(--field-orange) 68% 72%, transparent 72%),
    linear-gradient(90deg, var(--grid-x) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid-y) 1px, transparent 1px),
    var(--paper);
  background-size: auto, auto, 46px 46px, 46px 46px, auto;
}

button,
textarea,
input {
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.trace-field {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.trace-field span {
  position: absolute;
  width: 42vw;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-2), transparent);
  opacity: 0.42;
  transform: rotate(-18deg);
  animation: packetSweep 11s linear infinite;
}

.trace-field span:nth-child(1) {
  top: 17%;
  left: -44vw;
}

.trace-field span:nth-child(2) {
  top: 52%;
  left: -56vw;
  animation-delay: -4s;
}

.trace-field span:nth-child(3) {
  top: 83%;
  left: -48vw;
  animation-delay: -8s;
}

button {
  min-height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--paper-2);
  color: var(--ink);
  cursor: pointer;
  padding: 0 16px;
  box-shadow: 4px 4px 0 var(--line-strong);
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

button:hover {
  transform: translate(1px, 1px);
  box-shadow: 3px 3px 0 var(--line-strong);
}

button:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

button.primary {
  background: var(--accent);
  color: var(--button-on-accent);
}

button:disabled {
  cursor: wait;
  opacity: 0.7;
}

.shell {
  position: relative;
  z-index: 1;
  width: min(1500px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 40px;
  display: grid;
  grid-template-columns: minmax(360px, 580px) minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}

.tool,
.results {
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.tool {
  position: sticky;
  top: 18px;
  overflow: hidden;
}

.mast {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  padding: 18px;
  color: #f7fffb;
  background:
    linear-gradient(120deg, var(--mast-sheen), transparent 40%),
    linear-gradient(90deg, var(--ink), var(--mast-end));
}

.mast-copy {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 7px;
  color: #a7e7d0;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

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

h1 {
  max-width: 9ch;
  font-family: "Avenir Next Condensed", "DIN Condensed", "Arial Narrow", sans-serif;
  font-size: 4.35rem;
  font-weight: 800;
  line-height: 0.82;
  text-transform: uppercase;
}

h2 {
  font-size: 1.1rem;
  text-transform: uppercase;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.packet-mark {
  flex: 1 1 auto;
  min-width: 92px;
  max-width: 180px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.packet-node {
  width: 10px;
  height: 10px;
  border: 1px solid #a7e7d0;
  border-radius: 50%;
  background: rgba(167, 231, 208, 0.12);
  box-shadow: 0 0 18px rgba(167, 231, 208, 0.34);
}

.packet-node:nth-of-type(3) {
  background: var(--accent);
  border-color: var(--accent);
}

.packet-line {
  position: relative;
  flex: 1 1 26px;
  height: 1px;
  background: rgba(167, 231, 208, 0.38);
  overflow: hidden;
}

.packet-line::after {
  content: "";
  position: absolute;
  inset: 0;
  width: 42%;
  background: #f7fffb;
  animation: packetPulse 1.9s ease-in-out infinite;
}

.status {
  flex: 0 0 auto;
  border: 1px solid var(--header-glint);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 0.74rem;
  color: #f7fffb;
  white-space: nowrap;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.status.ok {
  border-color: rgba(11, 118, 91, 0.7);
  background: rgba(11, 118, 91, 0.2);
}

.status.bad {
  border-color: rgba(214, 67, 31, 0.8);
  background: rgba(214, 67, 31, 0.2);
}

.mast-actions {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
}

.theme-toggle {
  position: relative;
  width: 42px;
  min-width: 42px;
  height: 42px;
  padding: 0;
  border-color: var(--header-glint);
  border-radius: 50%;
  background: rgba(247, 255, 251, 0.08);
  box-shadow: none;
}

.theme-toggle:hover {
  background: rgba(247, 255, 251, 0.15);
  box-shadow: none;
}

.theme-toggle span {
  position: absolute;
  inset: 10px;
  border: 2px solid #f7fffb;
  border-radius: 50%;
  background: #f7fffb;
  transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.theme-toggle span::after {
  content: "";
  position: absolute;
  inset: -2px -6px -2px 8px;
  border-radius: 50%;
  background: var(--mast-end);
  opacity: 0;
  transition: opacity 160ms ease;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle span {
    background: transparent;
    box-shadow: 0 0 14px rgba(247, 255, 251, 0.34);
    transform: rotate(-18deg);
  }

  :root:not([data-theme="light"]) .theme-toggle span::after {
    opacity: 1;
  }
}

:root[data-theme="dark"] .theme-toggle span {
  background: transparent;
  box-shadow: 0 0 14px rgba(247, 255, 251, 0.34);
  transform: rotate(-18deg);
}

:root[data-theme="dark"] .theme-toggle span::after {
  opacity: 1;
}

.lookup {
  padding: 18px;
}

.query-grid,
.resolver-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.field {
  display: grid;
  gap: 8px;
}

.field > span {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

textarea {
  width: 100%;
  min-width: 0;
  resize: vertical;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px;
  background: var(--field-bg);
  color: var(--ink);
  line-height: 1.45;
  box-shadow: inset 0 1px 0 var(--field-glint);
}

textarea:focus,
input:focus,
button:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

.type-grid,
.resolver-grid,
.control-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.type-grid label,
.resolver-grid label,
.control-strip label {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--control);
  padding: 0 10px;
  line-height: 1;
  cursor: pointer;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
  font-size: 0.86rem;
}

.type-grid label:has(input:checked),
.resolver-grid label:has(input:checked) {
  border-color: var(--line-strong);
  background: var(--ink);
  color: #f7fffb;
}

.control-strip {
  margin: 16px 0;
  padding: 14px;
  border: 1px solid rgba(183, 201, 192, 0.78);
  border-radius: var(--radius);
  background: var(--wash);
}

.control-strip label {
  border-radius: var(--radius);
  background: var(--control-strong);
}

input[type="radio"],
input[type="checkbox"] {
  width: 14px;
  height: 14px;
  margin: 0 7px 0 0;
  accent-color: var(--accent-2);
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.results {
  min-height: calc(100vh - 68px);
  overflow: hidden;
}

.results-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 61px;
  padding: 0 18px;
  border-bottom: 1px solid var(--line-strong);
  background:
    linear-gradient(90deg, rgba(24, 103, 192, 0.1), transparent 50%),
    var(--surface-strong);
}

.panel-label {
  margin: 0 0 2px;
  color: var(--accent-2);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
  font-size: 0.68rem;
  text-transform: uppercase;
}

.result-meta {
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}

.results-list {
  padding: 18px;
  display: grid;
  gap: 14px;
}

.empty-state {
  display: grid;
  place-items: center;
  min-height: 280px;
  border: 1px dashed var(--line);
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.result-card {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface-strong);
  overflow: hidden;
}

.result-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(90deg, rgba(24, 103, 192, 0.12), rgba(219, 195, 67, 0.1), transparent);
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.result-title strong {
  overflow-wrap: anywhere;
}

.badge {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 8px;
  background: var(--ink);
  color: var(--paper-2);
  font-size: 0.72rem;
}

.badge.warn {
  background: var(--danger);
}

.command {
  margin: 0;
  padding: 10px 14px;
  overflow-x: auto;
  border-bottom: 1px solid rgba(207, 200, 187, 0.74);
  color: var(--accent-2);
  background: var(--command-bg);
  white-space: pre;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.output {
  margin: 0;
  min-height: 90px;
  max-height: 560px;
  overflow: auto;
  padding: 14px;
  background: var(--code);
  color: var(--code-ink);
  line-height: 1.48;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", Menlo, monospace;
}

.output .comment {
  color: var(--comment);
}

.output .type {
  color: var(--accent-3);
}

.output .error {
  color: var(--error);
}

.compare-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 14px;
}

@keyframes packetPulse {
  0% {
    transform: translateX(-120%);
    opacity: 0;
  }

  25%,
  70% {
    opacity: 0.9;
  }

  100% {
    transform: translateX(260%);
    opacity: 0;
  }
}

@keyframes packetSweep {
  0% {
    transform: translateX(0) rotate(-18deg);
    opacity: 0;
  }

  10%,
  55% {
    opacity: 1;
  }

  100% {
    transform: translateX(170vw) rotate(-18deg);
    opacity: 0;
  }
}

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

@media (max-width: 980px) {
  .shell {
    width: min(100% - 20px, 760px);
    grid-template-columns: 1fr;
  }

  .tool {
    position: static;
  }

  .results {
    min-height: 420px;
  }
}

@media (max-width: 560px) {
  .shell {
    width: min(100% - 12px, 760px);
    padding-top: 6px;
  }

  .mast {
    display: grid;
    align-items: start;
  }

  .mast-actions {
    width: 100%;
    justify-content: space-between;
  }

  h1 {
    font-size: 3.05rem;
  }

  .packet-mark {
    width: 100%;
    max-width: none;
  }

  .status {
    white-space: normal;
  }

  .lookup,
  .results-list {
    padding: 12px;
  }

  .results-head {
    padding: 0 12px;
  }

  button {
    flex: 1 1 120px;
  }
}