:root {
  color-scheme: light;
  --bg: #f4f0e7;
  --bg-soft: #ebe4d8;
  --panel: #fffdf7;
  --panel-strong: #ffffff;
  --text: #182126;
  --muted: #667078;
  --line: #d7d0c4;
  --line-strong: #aca395;
  --accent: #d93e2f;
  --accent-dark: #ad2c22;
  --accent-soft: #fae2dc;
  --accent-2: #087f8c;
  --accent-2-soft: #d9f0f1;
  --lime: #b9da37;
  --danger: #c9342b;
  --success: #147a58;
  --warning: #a2610c;
  --header-bg: rgba(255, 253, 247, 0.88);
  --canvas-bg: #fffdf7;
  --canvas-grid: #e3ddd3;
  --selection: rgba(8, 127, 140, 0.16);
  --shadow: 0 18px 50px rgba(46, 37, 25, 0.1);
  --shadow-small: 0 8px 24px rgba(46, 37, 25, 0.08);
  --radius: 18px;
  --radius-small: 10px;
  --shell: 1240px;
}

:root[data-theme="blue"] {
  color-scheme: light;
  --bg: #edf4ff;
  --bg-soft: #dceaff;
  --panel: #f9fbff;
  --panel-strong: #ffffff;
  --text: #0c2140;
  --muted: #536987;
  --line: #c2d3eb;
  --line-strong: #8ba9ce;
  --accent: #155ee7;
  --accent-dark: #1049b2;
  --accent-soft: #dce9ff;
  --accent-2: #008aa1;
  --accent-2-soft: #d7f3f7;
  --lime: #9cc92d;
  --danger: #cf3f55;
  --success: #087a68;
  --warning: #9a5a08;
  --header-bg: rgba(249, 251, 255, 0.9);
  --canvas-bg: #f9fbff;
  --canvas-grid: #d8e3f2;
  --selection: rgba(21, 94, 231, 0.16);
  --shadow: 0 18px 50px rgba(13, 55, 112, 0.12);
  --shadow-small: 0 8px 24px rgba(13, 55, 112, 0.09);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0e1218;
  --bg-soft: #151b23;
  --panel: #171d25;
  --panel-strong: #1c242e;
  --text: #edf2f6;
  --muted: #9ba9b6;
  --line: #303a45;
  --line-strong: #52606d;
  --accent: #ff6655;
  --accent-dark: #ff8a7e;
  --accent-soft: #40231f;
  --accent-2: #3cc5d4;
  --accent-2-soft: #17383e;
  --lime: #c6eb42;
  --danger: #ff645c;
  --success: #45c997;
  --warning: #e7a746;
  --header-bg: rgba(14, 18, 24, 0.88);
  --canvas-bg: #121820;
  --canvas-grid: #2a3540;
  --selection: rgba(60, 197, 212, 0.17);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.28);
  --shadow-small: 0 8px 28px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 10% 0, color-mix(in srgb, var(--accent-soft) 55%, transparent) 0, transparent 32rem),
    radial-gradient(circle at 92% 12%, color-mix(in srgb, var(--accent-2-soft) 58%, transparent) 0, transparent 29rem),
    var(--bg);
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 16px;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

button,
select,
input[type="checkbox"] {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.46;
}

a {
  color: var(--accent);
  text-underline-offset: 0.18em;
}

img,
svg {
  display: block;
}

.shell {
  width: min(calc(100% - 40px), var(--shell));
  margin-inline: auto;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--text);
  color: var(--panel);
  font-weight: 800;
  transform: translateY(-140%);
  transition: transform 0.15s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--accent-2) 72%, white);
  outline-offset: 3px;
}

.site-header {
  position: sticky;
  z-index: 100;
  top: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 82%, transparent);
  background: var(--header-bg);
  backdrop-filter: blur(18px) saturate(1.25);
}

.header-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  min-height: 72px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: max-content;
  color: var(--text);
  font-size: 0.96rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  text-decoration: none;
}

.brand strong {
  color: var(--accent);
  font-weight: 900;
}

.brand img {
  flex: 0 0 auto;
  filter: drop-shadow(0 4px 9px color-mix(in srgb, var(--accent) 24%, transparent));
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: 24px;
}

.primary-nav a {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  text-decoration: none;
}

.primary-nav a:hover {
  color: var(--text);
}

.theme-switcher {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
}

.theme-choice {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 30px;
  padding: 4px 9px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 800;
}

.theme-choice[aria-pressed="true"] {
  background: var(--bg-soft);
  color: var(--text);
}

.theme-dot {
  width: 11px;
  height: 11px;
  border: 2px solid color-mix(in srgb, var(--text) 25%, transparent);
  border-radius: 50%;
}

.theme-dot-warm {
  background: #f8f1df;
}

.theme-dot-blue {
  background: #1671ff;
}

.theme-dot-dark {
  background: #111821;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  gap: 64px;
  padding-block: 70px 46px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  color: var(--accent-2);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.live-dot {
  position: relative;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 15%, transparent);
}

.live-dot::after {
  position: absolute;
  inset: -4px;
  border: 1px solid var(--success);
  border-radius: inherit;
  content: "";
  animation: ping 2s ease-out infinite;
}

@keyframes ping {
  0% {
    opacity: 0.7;
    transform: scale(0.6);
  }
  70%,
  100% {
    opacity: 0;
    transform: scale(1.5);
  }
}

.hero h1 {
  max-width: 700px;
  margin: 0;
  font-size: clamp(2.9rem, 6vw, 5.4rem);
  font-weight: 900;
  letter-spacing: -0.072em;
  line-height: 0.94;
}

.hero h1::first-line {
  color: var(--text);
}

.hero-lead {
  max-width: 690px;
  margin: 24px 0 22px;
  color: var(--muted);
  font-size: clamp(1rem, 1.7vw, 1.2rem);
  line-height: 1.65;
}

.hero-proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
}

.hero-proof span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 800;
}

.hero-proof svg {
  width: 17px;
  height: 17px;
  fill: none;
  stroke: var(--success);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.5;
}

.hero-instrument {
  position: relative;
  min-height: 330px;
  padding: 22px 24px 20px;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--line) 65%, transparent);
  border-radius: 24px;
  background:
    linear-gradient(145deg, color-mix(in srgb, var(--panel-strong) 96%, transparent), color-mix(in srgb, var(--bg-soft) 76%, transparent));
  box-shadow: var(--shadow);
}

.hero-instrument::before {
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 0 44%, color-mix(in srgb, white 17%, transparent) 50%, transparent 57%);
  content: "";
  pointer-events: none;
}

.instrument-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.67rem;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.instrument-label b {
  color: var(--success);
}

.hero-instrument svg {
  width: 100%;
  height: auto;
  overflow: visible;
}

.instrument-grid {
  fill: none;
  stroke: var(--line);
  stroke-width: 1;
}

.trace {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3;
  filter: drop-shadow(0 2px 4px color-mix(in srgb, currentColor 20%, transparent));
}

.trace-red {
  color: var(--accent);
  stroke: currentColor;
}

.trace-blue {
  color: var(--accent-2);
  stroke: currentColor;
}

.trace-lime {
  color: #88aa16;
  stroke: currentColor;
  stroke-width: 2;
}

[data-theme="dark"] .trace-lime {
  color: var(--lime);
}

.instrument-readouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-top: 6px;
}

.instrument-readouts span {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: color-mix(in srgb, var(--panel) 75%, transparent);
}

.instrument-readouts small {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.62rem;
  letter-spacing: 0.09em;
}

.instrument-readouts b {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 1rem;
}

.viewer-section {
  scroll-margin-top: 96px;
  padding-bottom: 58px;
}

.viewer-card {
  position: relative;
  min-height: 350px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.empty-state {
  padding: 14px;
}

.drop-zone {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(250px, 0.46fr);
  align-items: center;
  gap: 28px;
  min-height: 320px;
  padding: 42px;
  border: 1.5px dashed var(--line-strong);
  border-radius: 16px;
  background:
    linear-gradient(90deg, color-mix(in srgb, var(--accent-soft) 35%, transparent), transparent 38%),
    repeating-linear-gradient(0deg, transparent 0 39px, color-mix(in srgb, var(--line) 35%, transparent) 40px),
    repeating-linear-gradient(90deg, transparent 0 59px, color-mix(in srgb, var(--line) 28%, transparent) 60px);
  transition:
    border-color 0.18s ease,
    background-color 0.18s ease,
    transform 0.18s ease;
}

.drop-zone:hover,
.drop-zone.is-dragging {
  border-color: var(--accent-2);
  background-color: color-mix(in srgb, var(--accent-2-soft) 46%, var(--panel));
}

.drop-zone.is-dragging {
  transform: scale(0.995);
}

.drop-icon {
  display: grid;
  width: 105px;
  height: 105px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel-strong);
  box-shadow: var(--shadow-small);
}

.drop-icon svg {
  width: 65px;
  fill: none;
  stroke: var(--accent);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.2;
}

.drop-kicker {
  margin: 0 0 4px;
  font-size: clamp(1.45rem, 2.7vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.04em;
}

.drop-copy > p:not(.drop-kicker) {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.drop-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 9px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--panel-strong);
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 850;
  text-decoration: none;
  box-shadow: 0 1px 0 color-mix(in srgb, white 55%, transparent) inset;
}

.button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

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

.button-primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px color-mix(in srgb, var(--accent) 22%, transparent);
}

.button-primary:hover {
  background: var(--accent-dark);
}

.button-secondary {
  border-color: color-mix(in srgb, var(--accent-2) 48%, var(--line));
  color: var(--accent-2);
}

.button-small {
  min-height: 36px;
  padding: 6px 11px;
  font-size: 0.75rem;
}

.local-contract {
  display: flex;
  align-items: flex-start;
  gap: 13px;
  padding: 20px;
  border: 1px solid color-mix(in srgb, var(--success) 35%, var(--line));
  border-radius: 14px;
  background: color-mix(in srgb, var(--success) 7%, var(--panel));
}

.local-contract svg {
  flex: 0 0 auto;
  width: 30px;
  height: 30px;
  fill: none;
  stroke: var(--success);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.local-contract div {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.local-contract strong {
  font-size: 0.88rem;
}

.local-contract span {
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.45;
}

.viewer-workspace {
  padding: 16px;
}

.workspace-topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 8px 6px 16px;
}

.file-list {
  display: flex;
  flex: 1;
  flex-wrap: wrap;
  gap: 8px;
  min-width: 0;
}

.file-chip {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  min-width: 220px;
  max-width: 340px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--panel-strong);
}

.file-chip-color {
  width: 8px;
  height: 32px;
  border-radius: 999px;
}

.file-chip-copy {
  display: flex;
  min-width: 0;
  flex-direction: column;
  line-height: 1.25;
}

.file-chip-copy strong {
  overflow: hidden;
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-chip-copy span {
  overflow: hidden;
  color: var(--muted);
  font-size: 0.64rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-chip-remove,
.text-button {
  padding: 4px 5px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 750;
}

.file-chip-remove:hover,
.text-button:hover {
  color: var(--danger);
}

.workspace-file-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.parser-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(100px, 0.7fr)) minmax(180px, 1.2fr);
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg-soft);
}

.parser-summary > div {
  display: flex;
  min-height: 62px;
  padding: 10px 14px;
  border-right: 1px solid var(--line);
  flex-direction: column;
  justify-content: center;
}

.parser-summary > div:last-child {
  border-right: 0;
}

.parser-summary span {
  color: var(--muted);
  font-size: 0.63rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.parser-summary strong {
  overflow: hidden;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.95rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.parser-warnings {
  display: grid;
  gap: 5px;
  margin: 0 0 12px;
  padding: 10px 14px 10px 34px;
  border: 1px solid color-mix(in srgb, var(--warning) 33%, var(--line));
  border-radius: 9px;
  background: color-mix(in srgb, var(--warning) 7%, var(--panel));
  color: color-mix(in srgb, var(--warning) 72%, var(--text));
  font-size: 0.72rem;
}

.analysis-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 12px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-strong);
}

.preset-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.toolbar-label {
  margin-right: 4px;
  color: var(--muted);
  font-size: 0.65rem;
  font-weight: 850;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.preset-group button,
.chart-actions button {
  min-height: 30px;
  padding: 5px 9px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--muted);
  font-size: 0.69rem;
  font-weight: 800;
}

.preset-group button:hover,
.chart-actions button:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

.preset-group button[aria-pressed="true"] {
  border-color: var(--accent-2);
  background: var(--accent-2-soft);
  color: var(--accent-2);
}

.view-controls {
  display: flex;
  gap: 8px;
}

.view-controls label {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.view-controls label span {
  color: var(--muted);
  font-size: 0.59rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

select,
input[type="search"],
input[type="number"],
textarea {
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--panel);
  color: var(--text);
}

select {
  min-height: 32px;
  padding: 4px 28px 4px 8px;
  font-size: 0.72rem;
  font-weight: 750;
}

.analysis-grid {
  display: grid;
  grid-template-columns: 258px minmax(0, 1fr);
  gap: 12px;
}

.channel-panel,
.chart-column,
.statistics-section {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel-strong);
}

.channel-panel {
  display: flex;
  min-height: 500px;
  overflow: hidden;
  flex-direction: column;
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  padding: 14px 14px 10px;
}

.panel-kicker {
  color: var(--accent-2);
  font-size: 0.61rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-heading h3,
.section-heading-row h3 {
  margin: 1px 0 0;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}

.count-badge {
  padding: 3px 7px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.62rem;
  font-weight: 800;
}

.search-field {
  position: relative;
  display: block;
  margin: 0 12px 9px;
}

.search-field svg {
  position: absolute;
  top: 9px;
  left: 9px;
  width: 15px;
  height: 15px;
  fill: none;
  stroke: var(--muted);
  stroke-linecap: round;
  stroke-width: 1.8;
}

.search-field input {
  width: 100%;
  min-height: 34px;
  padding: 6px 8px 6px 31px;
  font-size: 0.72rem;
}

.channel-list {
  display: flex;
  max-height: 520px;
  padding: 0 8px 10px;
  overflow-y: auto;
  flex-direction: column;
}

.channel-option {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 7px;
  min-height: 35px;
  padding: 6px;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 68%, transparent);
  border-radius: 6px;
  font-size: 0.7rem;
}

.channel-option:hover {
  background: var(--bg-soft);
}

.channel-option input {
  width: 15px;
  height: 15px;
  accent-color: var(--accent-2);
}

.channel-swatch {
  width: 7px;
  height: 17px;
  border-radius: 999px;
}

.channel-option-name {
  overflow: hidden;
  font-weight: 750;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.channel-option-unit {
  color: var(--muted);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.61rem;
}

.channel-empty {
  margin: 20px 8px;
  color: var(--muted);
  font-size: 0.75rem;
  text-align: center;
}

.panel-note {
  margin: auto 12px 12px;
  padding: 10px;
  border-radius: 7px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.64rem;
  line-height: 1.45;
}

.chart-column {
  min-width: 0;
  overflow: hidden;
}

.chart-topline {
  display: flex;
  min-height: 46px;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

.chart-legend {
  display: flex;
  min-width: 0;
  flex-wrap: wrap;
  gap: 5px 12px;
}

.chart-legend > span {
  display: inline-flex;
  min-width: 0;
  align-items: center;
  gap: 5px;
  color: var(--muted);
  font-size: 0.64rem;
  font-weight: 750;
}

.chart-legend i {
  flex: 0 0 auto;
  width: 16px;
  height: 3px;
  border-radius: 999px;
}

.chart-legend span span {
  overflow: hidden;
  max-width: 180px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chart-actions {
  display: flex;
  flex: 0 0 auto;
  gap: 5px;
}

.chart-wrap {
  position: relative;
  min-width: 0;
  background: var(--canvas-bg);
}

#log-chart {
  display: block;
  width: 100%;
  min-height: 430px;
  cursor: crosshair;
  touch-action: none;
}

.chart-tooltip {
  position: absolute;
  z-index: 10;
  display: flex;
  max-height: 330px;
  padding: 10px 11px;
  overflow: hidden;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: color-mix(in srgb, var(--panel-strong) 94%, transparent);
  box-shadow: var(--shadow-small);
  pointer-events: none;
  flex-direction: column;
  gap: 4px;
  backdrop-filter: blur(12px);
}

.chart-tooltip > strong {
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
}

.chart-tooltip > span {
  display: flex;
  min-width: 0;
  flex-direction: column;
  color: var(--muted);
  font-size: 0.62rem;
  line-height: 1.35;
}

.chart-tooltip b {
  color: var(--text);
}

.chart-hint {
  margin: 0;
  padding: 8px 12px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.64rem;
}

.statistics-section {
  margin-top: 12px;
  overflow: hidden;
}

.section-heading-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 14px;
  border-bottom: 1px solid var(--line);
}

.section-heading-row p {
  max-width: 420px;
  margin: 0;
  color: var(--muted);
  font-size: 0.67rem;
  text-align: right;
}

.table-scroll {
  overflow-x: auto;
}

.statistics-table {
  width: 100%;
  min-width: 850px;
  border-collapse: collapse;
  font-size: 0.69rem;
}

.statistics-table th,
.statistics-table td {
  padding: 9px 10px;
  border-bottom: 1px solid var(--line);
  text-align: right;
  vertical-align: middle;
}

.statistics-table thead th {
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.61rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.statistics-table th:first-child,
.statistics-table td:first-child {
  text-align: left;
}

.statistics-table tbody th {
  max-width: 230px;
}

.statistics-table tbody th strong,
.statistics-table tbody th span {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.statistics-table tbody th span {
  color: var(--muted);
  font-size: 0.59rem;
  font-weight: 500;
}

.threshold-cell {
  display: flex;
  justify-content: flex-end;
  gap: 5px;
}

.threshold-cell input {
  width: 78px;
  min-height: 29px;
  padding: 4px 6px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.66rem;
}

.has-anomaly {
  color: var(--danger);
  font-weight: 900;
}

.loading-overlay {
  position: absolute;
  z-index: 20;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: color-mix(in srgb, var(--panel) 91%, transparent);
  flex-direction: column;
  backdrop-filter: blur(8px);
}

.loading-overlay[hidden] {
  display: none;
}

.loading-overlay strong {
  margin-top: 13px;
  font-size: 0.9rem;
}

.loading-overlay > span:last-child {
  color: var(--muted);
  font-size: 0.7rem;
}

.spinner {
  width: 30px;
  height: 30px;
  border: 3px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.75s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.status-region {
  min-height: 24px;
  margin: 8px 8px 0;
  color: var(--muted);
  font-size: 0.72rem;
  text-align: center;
}

.status-region[data-tone="success"] {
  color: var(--success);
}

.status-region[data-tone="error"] {
  color: var(--danger);
}

.trust-strip {
  border-block: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 72%, transparent);
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.trust-grid > div {
  display: flex;
  align-items: center;
  gap: 13px;
  min-height: 112px;
  padding: 22px 28px;
  border-right: 1px solid var(--line);
}

.trust-grid > div:last-child {
  border-right: 0;
}

.trust-grid svg {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  fill: none;
  stroke: var(--accent-2);
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.trust-grid span {
  display: flex;
  flex-direction: column;
  color: var(--muted);
  font-size: 0.75rem;
  line-height: 1.45;
}

.trust-grid strong {
  color: var(--text);
  font-size: 0.84rem;
}

.content-section {
  padding-block: 100px;
}

.section-tinted {
  border-block: 1px solid var(--line);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--bg-soft) 76%, transparent), color-mix(in srgb, var(--panel) 40%, transparent));
}

.section-intro {
  display: grid;
  grid-template-columns: 76px minmax(0, 760px);
  gap: 24px;
  margin-bottom: 48px;
}

.section-number {
  padding-top: 9px;
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.8rem;
  font-weight: 900;
}

.section-number::after {
  display: block;
  width: 42px;
  height: 2px;
  margin-top: 9px;
  background: var(--accent);
  content: "";
}

.eyebrow-text {
  margin: 0 0 6px;
  color: var(--accent-2);
  font-size: 0.73rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.section-intro h2,
.guide-layout h2,
.legal-hero h1 {
  margin: 0;
  font-size: clamp(2rem, 4.1vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.055em;
  line-height: 1.02;
}

.section-intro p:last-child {
  max-width: 720px;
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 1rem;
}

.compatibility-grid,
.steps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.compatibility-grid article,
.steps-grid article {
  position: relative;
  min-height: 260px;
  padding: 26px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-small);
}

.compatibility-grid article::after {
  position: absolute;
  right: -22px;
  bottom: -40px;
  width: 130px;
  height: 130px;
  border: 22px solid color-mix(in srgb, var(--accent-2) 8%, transparent);
  border-radius: 50%;
  content: "";
}

.compatibility-icon {
  display: inline-grid;
  min-width: 58px;
  height: 32px;
  padding-inline: 9px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--bg-soft);
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
}

.compatibility-grid h3,
.steps-grid h3,
.guide-layout h3 {
  margin: 22px 0 9px;
  font-size: 1.15rem;
  letter-spacing: -0.03em;
}

.compatibility-grid p,
.steps-grid p {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.disclaimer {
  max-width: 880px;
  margin: 22px 0 0 100px;
  color: var(--muted);
  font-size: 0.73rem;
}

.steps-grid {
  counter-reset: steps;
}

.steps-grid article > span {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 900;
  box-shadow: 0 8px 18px color-mix(in srgb, var(--accent) 25%, transparent);
}

.feature-matrix {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-small);
}

.matrix-row {
  display: grid;
  grid-template-columns: 1.1fr 1fr 1.2fr;
  border-bottom: 1px solid var(--line);
}

.matrix-row:last-child {
  border-bottom: 0;
}

.matrix-row > * {
  padding: 17px 20px;
  border-right: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.83rem;
}

.matrix-row > *:last-child {
  border-right: 0;
}

.matrix-row > :first-child {
  color: var(--text);
  font-weight: 750;
}

.matrix-row strong {
  background: color-mix(in srgb, var(--accent-2-soft) 38%, transparent);
  color: var(--accent-2);
}

.matrix-head {
  background: var(--bg-soft);
}

.matrix-head > * {
  color: var(--text);
  font-size: 0.68rem;
  font-weight: 900;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 0.56fr);
  gap: 80px;
  align-items: start;
}

.guide-layout > div > p:not(.eyebrow-text) {
  max-width: 720px;
  color: var(--muted);
}

.guide-layout aside {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-small);
}

.guide-layout aside h3 {
  margin-top: 0;
}

.check-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 23px;
  color: var(--muted);
  font-size: 0.82rem;
}

.check-list li::before {
  position: absolute;
  top: 0.35em;
  left: 0;
  width: 13px;
  height: 13px;
  border: 2px solid var(--success);
  border-radius: 3px;
  content: "";
}

.check-list li::after {
  position: absolute;
  top: 0.45em;
  left: 4px;
  width: 6px;
  height: 3px;
  border-bottom: 2px solid var(--success);
  border-left: 2px solid var(--success);
  content: "";
  transform: rotate(-45deg);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.faq-grid details {
  padding: 0 20px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
}

.faq-grid summary {
  position: relative;
  padding: 19px 34px 19px 0;
  cursor: pointer;
  font-size: 0.92rem;
  font-weight: 850;
  list-style: none;
}

.faq-grid summary::-webkit-details-marker {
  display: none;
}

.faq-grid summary::after {
  position: absolute;
  top: 18px;
  right: 0;
  display: grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: var(--bg-soft);
  color: var(--accent);
  content: "+";
  font-size: 1rem;
}

.faq-grid details[open] summary::after {
  content: "–";
}

.faq-grid details p {
  margin: -4px 0 20px;
  color: var(--muted);
  font-size: 0.83rem;
}

.site-footer {
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--panel) 78%, transparent);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px 50px;
  align-items: center;
  padding-block: 40px;
}

.footer-grid > div:first-child p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 0.74rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 10px 22px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.74rem;
  font-weight: 750;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-note {
  grid-column: 1 / -1;
  margin: 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.67rem;
}

/* Legal, feedback, and error pages */

.legal-main {
  padding-block: 64px 100px;
}

.legal-hero {
  max-width: 900px;
  margin-bottom: 36px;
}

.legal-hero .eyebrow {
  margin-bottom: 12px;
}

.legal-hero p {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.02rem;
}

.legal-card {
  max-width: 900px;
  padding: clamp(26px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow-small);
}

.legal-card h2 {
  margin: 2.2em 0 0.45em;
  font-size: 1.25rem;
  letter-spacing: -0.03em;
}

.legal-card h2:first-child {
  margin-top: 0;
}

.legal-card h3 {
  margin: 1.6em 0 0.35em;
  font-size: 1rem;
}

.legal-card p,
.legal-card li {
  color: var(--muted);
  font-size: 0.88rem;
}

.legal-card strong {
  color: var(--text);
}

.legal-card code {
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--bg-soft);
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.82em;
}

.legal-card a {
  font-weight: 750;
}

.updated-note {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.feedback-form {
  display: grid;
  gap: 20px;
}

.form-field {
  display: grid;
  gap: 6px;
}

.form-field > span {
  font-size: 0.77rem;
  font-weight: 850;
}

.form-field select,
.form-field textarea {
  width: 100%;
}

.form-field select {
  min-height: 44px;
}

.form-field textarea {
  min-height: 180px;
  padding: 12px;
  resize: vertical;
}

.checkbox-field {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: 0.78rem;
}

.checkbox-field input {
  width: 17px;
  height: 17px;
  margin-top: 3px;
  accent-color: var(--accent);
}

.form-note {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg-soft);
  color: var(--muted);
  font-size: 0.75rem;
}

.error-layout {
  display: grid;
  grid-template-columns: 1fr 0.7fr;
  align-items: center;
  gap: 50px;
  min-height: calc(100vh - 240px);
  padding-block: 70px;
}

.error-code {
  color: var(--accent);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: clamp(5rem, 15vw, 11rem);
  font-weight: 900;
  letter-spacing: -0.1em;
  line-height: 0.8;
}

.error-copy h1 {
  margin: 18px 0 8px;
  font-size: clamp(2rem, 5vw, 4rem);
  letter-spacing: -0.055em;
  line-height: 1;
}

.error-copy p {
  max-width: 600px;
  color: var(--muted);
}

@media (max-width: 1060px) {
  .header-inner {
    grid-template-columns: 1fr auto;
  }

  .primary-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 34px;
    padding-top: 56px;
  }

  .hero-copy {
    max-width: 780px;
  }

  .hero-instrument {
    min-height: auto;
  }

  .drop-zone {
    grid-template-columns: auto 1fr;
  }

  .local-contract {
    grid-column: 1 / -1;
  }

  .parser-summary {
    grid-template-columns: repeat(4, 1fr);
  }

  .summary-format {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line);
  }

  .parser-summary > div:nth-child(4) {
    border-right: 0;
  }

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

  .view-controls {
    align-self: flex-end;
  }

  .analysis-grid {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .guide-layout {
    gap: 40px;
  }
}

@media (max-width: 820px) {
  .shell {
    width: min(calc(100% - 24px), var(--shell));
  }

  .theme-label {
    display: none;
  }

  .theme-choice {
    min-width: 30px;
    justify-content: center;
    padding-inline: 7px;
  }

  .hero {
    padding-block: 44px 32px;
  }

  .hero h1 {
    font-size: clamp(2.7rem, 13vw, 4.4rem);
  }

  .drop-zone {
    grid-template-columns: 1fr;
    justify-items: center;
    padding: 30px 22px;
    text-align: center;
  }

  .drop-copy {
    display: flex;
    align-items: center;
    flex-direction: column;
  }

  .local-contract {
    grid-column: auto;
    max-width: 460px;
    text-align: left;
  }

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

  .workspace-file-actions {
    justify-content: space-between;
  }

  .file-chip {
    max-width: none;
    flex: 1;
  }

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

  .channel-panel {
    min-height: auto;
  }

  .channel-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    max-height: 260px;
  }

  .panel-note {
    display: none;
  }

  .chart-topline {
    align-items: flex-start;
    flex-direction: column;
  }

  .chart-actions {
    width: 100%;
    overflow-x: auto;
  }

  .chart-actions button {
    flex: 1 0 auto;
  }

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

  .trust-grid > div {
    min-height: 86px;
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .trust-grid > div:last-child {
    border-bottom: 0;
  }

  .content-section {
    padding-block: 72px;
  }

  .section-intro {
    grid-template-columns: 54px minmax(0, 1fr);
    gap: 12px;
    margin-bottom: 34px;
  }

  .compatibility-grid,
  .steps-grid {
    grid-template-columns: 1fr;
  }

  .compatibility-grid article,
  .steps-grid article {
    min-height: 0;
  }

  .disclaimer {
    margin-left: 66px;
  }

  .guide-layout {
    grid-template-columns: 1fr;
  }

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

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

  .footer-links {
    justify-content: flex-start;
  }

  .error-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .header-inner {
    min-height: 62px;
    gap: 10px;
  }

  .brand {
    font-size: 0.8rem;
  }

  .brand img {
    width: 34px;
    height: 34px;
  }

  .hero-instrument {
    padding: 15px;
    border-radius: 17px;
  }

  .instrument-readouts {
    grid-template-columns: 1fr;
  }

  .instrument-readouts span {
    flex-direction: row;
    justify-content: space-between;
  }

  .viewer-card {
    border-radius: 16px;
  }

  .empty-state,
  .viewer-workspace {
    padding: 8px;
  }

  .drop-zone {
    min-height: 420px;
    padding-inline: 14px;
  }

  .drop-actions {
    width: 100%;
    flex-direction: column;
  }

  .drop-actions .button {
    width: 100%;
  }

  .parser-summary {
    grid-template-columns: repeat(2, 1fr);
  }

  .parser-summary > div {
    border-bottom: 1px solid var(--line);
  }

  .parser-summary > div:nth-child(2),
  .parser-summary > div:nth-child(4) {
    border-right: 0;
  }

  .summary-format {
    grid-column: 1 / -1;
    border-bottom: 0 !important;
  }

  .preset-group {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .toolbar-label {
    grid-column: 1 / -1;
  }

  .view-controls {
    width: 100%;
    align-self: auto;
  }

  .view-controls label {
    flex: 1;
  }

  .view-controls select {
    width: 100%;
  }

  .channel-list {
    grid-template-columns: 1fr;
  }

  .section-heading-row {
    align-items: flex-start;
    flex-direction: column;
  }

  .section-heading-row p {
    text-align: left;
  }

  .section-intro {
    grid-template-columns: 1fr;
  }

  .section-number {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0;
  }

  .section-number::after {
    width: 34px;
    margin: 0;
  }

  .disclaimer {
    margin-left: 0;
  }

  .matrix-row {
    grid-template-columns: 1fr;
  }

  .matrix-row > * {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .matrix-row > *:last-child {
    border-bottom: 0;
  }

  .matrix-head {
    display: none;
  }

  .legal-main {
    padding-block: 44px 72px;
  }

  .legal-card {
    padding: 22px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  .site-header,
  .theme-switcher,
  .primary-nav,
  .viewer-section,
  .site-footer {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }
}