/* Scoped original tool layout; shared chrome and manual advertising removed. */
body.tool-graph-calculator main {
  --bg: #070a0f;
  --surface: #0d121a;
  --surface2: #111821;
  --line: #2b3746;
  --line2: #202b38;
  --text: #f3f6fa;
  --muted: #8e9aaa;
  --muted2: #6f7c8e;
  --accent: #38d6a2;
  --accent2: #23a8ff;
  --danger: #ff647c;
  --shadow: rgba(0, 0, 0, 0.42);
  --focus: #55c8ff;
}
body.tool-graph-calculator main * {
  box-sizing: border-box;
}
body.tool-graph-calculator main button,
body.tool-graph-calculator main input {
  font: inherit;
}
body.tool-graph-calculator main button {
  touch-action: manipulation;
}
body.tool-graph-calculator main a {
  color: inherit;
}
body.tool-graph-calculator main .container {
  width: min(1240px, calc(100% - 32px));
  margin: auto;
}
body.tool-graph-calculator main :focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
body.tool-graph-calculator main .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}
body.tool-graph-calculator main .breadcrumb {
  display: flex;
  gap: 7px;
  color: var(--muted2);
  font-size: 12px;
  padding-top: 24px;
}
body.tool-graph-calculator main .breadcrumb a {
  text-decoration: none;
}
body.tool-graph-calculator main .breadcrumb a:hover {
  color: var(--text);
}
body.tool-graph-calculator main .intro-hero {
  text-align: center;
  padding: 34px 0 22px;
}
body.tool-graph-calculator main .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid #263342;
  border-radius: 999px;
  padding: 7px 12px;
  color: #8debd0;
  background: rgba(56, 214, 162, 0.05);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}
body.tool-graph-calculator main h1 {
  font-size: clamp(34px, 6vw, 60px);
  line-height: 1;
  letter-spacing: -0.05em;
  margin: 18px 0 12px;
}
body.tool-graph-calculator main .grad {
  background: linear-gradient(90deg, #fff 20%, #8eead5 50%, #55bfff 85%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
body.tool-graph-calculator main .subtitle {
  max-width: 760px;
  margin: auto;
  color: var(--muted);
  line-height: 1.65;
  font-size: 16px;
}
body.tool-graph-calculator main .gc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.8fr) minmax(280px, 0.7fr);
  gap: 14px;
  align-items: start;
  margin: 22px 0;
}
body.tool-graph-calculator main .panel,
body.tool-graph-calculator main .card {
  background: rgba(13, 18, 26, 0.94);
  border: 1px solid #26313e;
  border-radius: 16px;
}
body.tool-graph-calculator main .panel {
  overflow: hidden;
}
body.tool-graph-calculator main .side {
  padding: 16px;
}
body.tool-graph-calculator main .side h2 {
  font-size: 14px;
  margin: 0 0 12px;
}
body.tool-graph-calculator main .toolbar {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 11px 12px;
  border-bottom: 1px solid #202a35;
}
body.tool-graph-calculator main .tool-btn {
  border: 1px solid #2a3745;
  background: #111a24;
  color: #c9d4e2;
  border-radius: 9px;
  padding: 8px 12px;
  min-height: 38px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}
body.tool-graph-calculator main .tool-btn:hover {
  background: #182431;
  border-color: #42566c;
}
body.tool-graph-calculator main canvas {
  display: block;
  width: 100%;
  height: min(62vh, 540px);
  min-height: 340px;
  touch-action: none;
  cursor: crosshair;
  background: #0a0f16;
}
body.tool-graph-calculator main canvas.drag {
  cursor: grabbing;
}
body.tool-graph-calculator main .readout {
  padding: 10px 14px;
  border-top: 1px solid #202a35;
  min-height: 42px;
  color: var(--muted);
  font:
    12.5px ui-monospace,
    Menlo,
    Consolas,
    monospace;
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
body.tool-graph-calculator main .hint {
  padding: 0 14px 12px;
  color: var(--muted2);
  font-size: 11.5px;
  line-height: 1.5;
}
body.tool-graph-calculator main .frow {
  margin-bottom: 10px;
}
body.tool-graph-calculator main .fn {
  display: flex;
  align-items: center;
  gap: 9px;
}
body.tool-graph-calculator main .sw {
  position: relative;
  flex: none;
}
body.tool-graph-calculator main .sw i {
  display: block;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid var(--c);
  cursor: pointer;
}
body.tool-graph-calculator main .sw input:checked + i {
  background: var(--c);
}
body.tool-graph-calculator main .sw input:focus-visible + i {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}
body.tool-graph-calculator main .eq {
  color: var(--muted);
  font-size: 13px;
  flex: none;
}
body.tool-graph-calculator main .fi {
  flex: 1;
  min-width: 0;
  background: #0f151e;
  border: 1px solid #2a3745;
  border-radius: 10px;
  padding: 10px 12px;
  color: var(--text);
  font:
    15px ui-monospace,
    Menlo,
    Consolas,
    monospace;
}
body.tool-graph-calculator main .fi:focus {
  outline: none;
  border-color: var(--accent);
}
body.tool-graph-calculator main .ferr {
  margin: 4px 0 0 31px;
  color: #ff9bad;
  font-size: 11.5px;
  min-height: 0;
}
body.tool-graph-calculator main .ex {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 6px;
}
body.tool-graph-calculator main .ex button {
  border: 1px solid #24313f;
  background: #101720;
  border-radius: 999px;
  color: #8debd0;
  padding: 7px 11px;
  font:
    12px ui-monospace,
    Menlo,
    Consolas,
    monospace;
  cursor: pointer;
}
body.tool-graph-calculator main .ex button:hover {
  border-color: #3d536a;
  background: #141e29;
}
body.tool-graph-calculator main .info-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 8px 0 40px;
}
body.tool-graph-calculator main .card {
  padding: 21px;
}
body.tool-graph-calculator main .card h2 {
  font-size: 21px;
  letter-spacing: -0.025em;
  margin: 0 0 12px;
}
body.tool-graph-calculator main .card p {
  color: #8f9bab;
  font-size: 13.5px;
  line-height: 1.72;
  margin: 0 0 12px;
}
body.tool-graph-calculator main .card p:last-child {
  margin: 0;
}
body.tool-graph-calculator main .card a {
  color: var(--accent2);
}
body.tool-graph-calculator main table.ft {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
body.tool-graph-calculator main table.ft th,
body.tool-graph-calculator main table.ft td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid #1b2530;
  vertical-align: top;
  color: #c6ceda;
  line-height: 1.55;
}
body.tool-graph-calculator main table.ft th {
  color: #7f8b9b;
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
body.tool-graph-calculator main table.ft td:first-child {
  font-weight: 750;
  color: #e0e6ee;
  white-space: nowrap;
}
body.tool-graph-calculator main table.ft tr:last-child td {
  border: none;
}
body.tool-graph-calculator main .faq details {
  border-bottom: 1px solid #1b2530;
  padding: 12px 0;
}
body.tool-graph-calculator main .faq details:last-child {
  border: none;
}
body.tool-graph-calculator main .faq summary {
  cursor: pointer;
  font-weight: 750;
  font-size: 13.5px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
body.tool-graph-calculator main .faq summary::-webkit-details-marker {
  display: none;
}
body.tool-graph-calculator main .faq summary::after {
  content: "+";
  color: var(--accent);
  font-size: 18px;
}
body.tool-graph-calculator main .faq details[open] summary::after {
  content: "–";
}
body.tool-graph-calculator main .faq p {
  margin: 10px 0 0;
}
body.tool-graph-calculator main .rm {
  flex: none;
  width: 30px;
  height: 30px;
  border-radius: 8px;
  border: 1px solid #2a3745;
  background: #111a24;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}
body.tool-graph-calculator main .rm:hover {
  color: var(--text);
  border-color: #4b5c70;
}
body.tool-graph-calculator main .rm[hidden] {
  display: none;
}
body.tool-graph-calculator main .chk {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
  margin-left: auto;
  cursor: pointer;
}
body.tool-graph-calculator main .chk input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}
body.tool-graph-calculator main #fnList {
  max-height: min(46vh, 420px);
  overflow-y: auto;
  padding-right: 4px;
}
body.tool-graph-calculator main .cf {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px;
}
body.tool-graph-calculator main .cf button {
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: left;
  border: 1px solid #24313f;
  background: #101720;
  border-radius: 10px;
  padding: 10px 12px;
  cursor: pointer;
  color: var(--text);
}
body.tool-graph-calculator main .cf button:hover {
  border-color: #3d536a;
  background: #141e29;
}
body.tool-graph-calculator main .cf b {
  font-size: 12.5px;
}
body.tool-graph-calculator main .cf code {
  color: #8debd0;
  font-size: 12px;
}
body.tool-graph-calculator main .card ul {
  margin: 0 0 12px;
  padding-left: 20px;
}
body.tool-graph-calculator main .card li {
  color: #8f9bab;
  font-size: 13.5px;
  line-height: 1.75;
}
@media (max-width: 980px) {
  body.tool-graph-calculator main .gc-layout {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 640px) {
  body.tool-graph-calculator main .container {
    width: min(100% - 20px, 1240px);
  }
  body.tool-graph-calculator main .subtitle {
    font-size: 14px;
  }
  body.tool-graph-calculator main canvas {
    min-height: 320px;
  }
}
@media (prefers-reduced-motion: reduce) {
  body.tool-graph-calculator main * {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}
body.tool-graph-calculator main [hidden] {
  display: none !important;
}
body.tool-graph-calculator main .card p,
body.tool-graph-calculator main .note,
body.tool-graph-calculator main .hint {
  color: #aab5c4;
}
body.tool-graph-calculator main button:focus-visible,
body.tool-graph-calculator main input:focus-visible,
body.tool-graph-calculator main select:focus-visible {
  outline: 3px solid #79caff;
  outline-offset: 3px;
}
@media (max-width: 600px) {
  body.tool-graph-calculator main .container {
    width: calc(100% - 20px);
  }
  body.tool-graph-calculator main input,
  body.tool-graph-calculator main select {
    font-size: 16px;
  }
}