:root {
  --cnc-bg: #11151b;
  --cnc-panel: #1a2029;
  --cnc-panel-2: #222a35;
  --cnc-text: #f4f6f8;
  --cnc-muted: #aeb8c5;
  --cnc-line: #384454;
  --cnc-accent: #ffd400;
  --cnc-accent-dark: #c8a800;
  --cnc-good: #9dff57;
  --cnc-good-dark: #4f9a1d;
  --cnc-danger: #ff6b6b;
  --cnc-shadow: 0 20px 60px rgba(0, 0, 0, .45);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--cnc-text);
  background:
    radial-gradient(circle at top left, rgba(255, 212, 0, .12), transparent 28rem),
    linear-gradient(135deg, #0f1319, var(--cnc-bg));
  font-family: Arial, Helvetica, sans-serif;
}

button,
input {
  font: inherit;
}

.cnc-page {
  width: min(1120px, calc(100% - 1rem));
  margin: 0 auto;
  padding: 1.5rem 0;
}

@media (min-width: 801px) {
  .cnc-page {
    width: min(1120px, calc(100% - 2rem));
    padding: 3rem 0;
  }
}

.cnc-header {
  margin-bottom: 1.5rem;
}

@media (min-width: 801px) {
  .cnc-header {
    margin-bottom: 2rem;
  }
}

.cnc-kicker {
  margin: 0 0 .35rem;
  color: var(--cnc-accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

@media (min-width: 801px) {
  .cnc-kicker {
    font-size: .82rem;
  }
}

.cnc-header h1,
.tool-modal h2 {
  margin: 0;
  font-size: clamp(2.1rem, 11vw, 3.25rem);
  line-height: .95;
}

@media (min-width: 801px) {
  .cnc-header h1,
  .tool-modal h2 {
    font-size: clamp(2.25rem, 7vw, 4.5rem);
  }
}

.tool-modal h2 {
  font-size: 1.75rem;
}

@media (min-width: 801px) {
  .tool-modal h2 {
    font-size: clamp(1.75rem, 5vw, 3rem);
  }
}

.cnc-intro {
  max-width: 62ch;
  margin: 1rem 0 0;
  color: var(--cnc-muted);
  font-size: 1rem;
  line-height: 1.5;
}

@media (min-width: 801px) {
  .cnc-intro {
    font-size: 1.05rem;
  }
}

.tool-grid {
  display: grid;
  gap: 1rem;
}

@media (min-width: 801px) {
  .tool-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.tool-card {
  display: grid;
  gap: .65rem;
  width: 100%;
  min-height: 11rem;
  padding: 1rem;
  color: var(--cnc-text);
  text-align: left;
  background: linear-gradient(180deg, var(--cnc-panel-2), var(--cnc-panel));
  border: 1px solid var(--cnc-line);
  border-radius: 1rem;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .25);
}

@media (min-width: 801px) {
  .tool-card {
    min-height: 13rem;
    padding: 1.25rem;
  }
}

.tool-card:hover,
.tool-card:focus-visible {
  border-color: var(--cnc-accent);
  outline: none;
  transform: translateY(-2px);
}

.tool-card--disabled {
  background: rgba(20, 24, 34, 0.9);
  opacity: 0.9;
}

.tool-card--disabled:hover {
  border-color: var(--cnc-line);
  transform: none;
}

.tool-card__eyebrow {
  color: var(--cnc-accent);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
}

.tool-card__title {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.05;
}

@media (min-width: 801px) {
  .tool-card__title {
    font-size: 1.65rem;
  }
}

.tool-card__text {
  color: var(--cnc-muted);
  line-height: 1.45;
}

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(0, 0, 0, .72);
}

.modal-backdrop[hidden] {
  display: none;
}

.tool-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: grid;
  align-items: stretch;
  justify-items: center;
  padding: .5rem .5rem 2rem;
  overflow: hidden;
}

@media (min-width: 801px) {
  .tool-modal {
    place-items: center;
    padding: 1rem 1rem 2rem;
  }
}

.tool-modal[hidden] {
  display: none;
}

.tool-modal__panel {
  width: 100%;
  max-width: 100%;
  height: 100%;
  max-height: 100%;
  min-width: 0;
  overflow: auto;
  background: var(--cnc-panel);
  border: 1px solid var(--cnc-line);
  border-radius: .85rem;
  box-shadow: var(--cnc-shadow);
}

@media (min-width: 801px) {
  .tool-modal__panel {
    width: min(980px, 100%);
    height: auto;
    max-height: 100%;
    border-radius: 1.1rem;
  }
}

.tool-modal__header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: .75rem;
  padding: .85rem 1rem;
  background: rgba(26, 32, 41, .96);
  border-bottom: 1px solid var(--cnc-line);
}

@media (min-width: 801px) {
  .tool-modal__header {
    gap: 1rem;
    padding: 1.25rem;
  }
}

.modal-close {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 2.35rem;
  height: 2.35rem;
  color: var(--cnc-text);
  background: #303a49;
  border: 1px solid var(--cnc-line);
  border-radius: 999px;
  cursor: pointer;
  font-size: 1.75rem;
  line-height: 1;
}

@media (min-width: 801px) {
  .modal-close {
    width: 2.5rem;
    height: 2.5rem;
    font-size: 1.8rem;
  }
}

.modal-close:hover,
.modal-close:focus-visible {
  color: #111;
  background: var(--cnc-accent);
  outline: none;
}

.tool-modal__body {
  display: grid;
  gap: .75rem;
  min-width: 0;
  padding: .75rem;
}

@media (min-width: 801px) {
  .tool-modal__body {
    gap: 1rem;
    padding: 1rem;
  }
}

.calculator-card {
  min-width: 0;
  padding: .85rem;
  background: #151a22;
  border: 1px solid var(--cnc-line);
  border-radius: .75rem;
}

@media (min-width: 801px) {
  .calculator-card {
    padding: 1rem;
    border-radius: .9rem;
  }
}

.calculator-card h3 {
  margin: 0 0 .85rem;
  color: var(--cnc-accent);
  font-size: 1.2rem;
}

@media (min-width: 801px) {
  .calculator-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
  }
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  min-width: 0;
}

@media (min-width: 801px) {
  .calc-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: .85rem;
  }
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  min-width: 0;
}

@media (min-width: 801px) {
  .result-grid {
    grid-template-columns: repeat(5, 1fr);
    gap: .85rem;
  }
}

.field,
.result-field {
  display: grid;
  gap: .35rem;
  min-width: 0;
}

.field span,
.result-label {
  color: var(--cnc-muted);
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .05em;
  line-height: 1.15;
}

@media (min-width: 801px) {
  .field span,
  .result-label {
    font-size: .85rem;
  }
}

.field input {
  width: 100%;
  min-width: 0;
  padding: .65rem .55rem;
  color: #000;
  background: var(--cnc-accent);
  border: 2px solid var(--cnc-accent-dark);
  border-radius: .55rem;
  font-size: 1.05rem;
  font-weight: 800;
  text-align: center;
}

.field input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.field input[type="number"]::-webkit-outer-spin-button,
.field input[type="number"]::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

@media (min-width: 801px) {
  .field input {
    padding: .8rem .7rem;
    font-size: 1.35rem;
  }
}

.field input:focus {
  outline: 3px solid rgba(255, 212, 0, .35);
}

.result-box {
  display: grid;
  align-items: center;
  min-width: 0;
  min-height: 3.65rem;
  padding: .65rem .55rem;
  color: #111;
  background: #f3f5f7;
  border: 1px solid #c9ced6;
  border-radius: .55rem;
}

@media (min-width: 801px) {
  .result-box {
    min-height: 4rem;
    padding: .85rem;
  }
}

.result-box strong {
  font-size: 1.25rem;
  text-align: center;
  overflow-wrap: anywhere;
}

@media (min-width: 801px) {
  .result-box strong {
    font-size: clamp(1.15rem, 4vw, 1.65rem);
  }
}

.result-box--primary {
  background: var(--cnc-good);
  border-color: var(--cnc-good-dark);
}

.calc-note {
  margin: .75rem 0 0;
  color: var(--cnc-muted);
  font-size: .95rem;
  line-height: 1.45;
  overflow-wrap: anywhere;
}

@media (min-width: 801px) {
  .calc-note {
    margin-top: .85rem;
    font-size: 1rem;
  }
}

.table-wrap {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
}

.cheat-table {
  width: 100%;
  min-width: 0;
  border-collapse: collapse;
}

@media (min-width: 801px) {
  .cheat-table {
    min-width: 34rem;
  }
}

.cheat-table th,
.cheat-table td {
  padding: .55rem .35rem;
  text-align: right;
  border-bottom: 1px solid var(--cnc-line);
}

@media (min-width: 801px) {
  .cheat-table th,
  .cheat-table td {
    padding: .7rem;
  }
}

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

.cheat-table th {
  color: var(--cnc-accent);
  font-size: .7rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}

@media (min-width: 801px) {
  .cheat-table th {
    font-size: .8rem;
    letter-spacing: .06em;
  }
}

.cheat-table td {
  color: var(--cnc-text);
  font-size: .9rem;
  font-weight: 700;
}

@media (min-width: 801px) {
  .cheat-table td {
    font-size: 1rem;
  }
}

.tool-card--link,
.tool-card--link:visited {
  color: inherit;
  text-decoration: none;
}

.tool-card--link:hover,
.tool-card--link:focus-visible {
  text-decoration: none;
}

body {
  background-color: #070a10;
  background-image:
    radial-gradient(circle at top left, rgba(34, 197, 94, 0.08), transparent 34rem),
    linear-gradient(rgba(7, 10, 16, 0.84), rgba(7, 10, 16, 0.96)),
    url("/background-1.webp");
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  background-attachment: scroll;
  color: #f8fafc;
}

/* SHOWCASE */

.cnc-machine-showcase {
  display: grid;
  gap: 1rem;
  margin-top: 1.25rem;
}

.cnc-machine-card {
  margin: 0;
  overflow: hidden;
  background: rgba(20, 24, 34, 0.82);
  border: 1px solid rgba(56, 68, 84, 0.85);
  border-radius: 1rem;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.25);
}

.cnc-machine-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

@media (min-width: 801px) {
  .cnc-machine-showcase {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
    margin-top: 1.4rem;
  }

  .cnc-machine-card--mill {
    grid-column: 1 / 2;
  }

  .cnc-machine-card--lathe {
    grid-column: 3 / 4;
  }
}

/* ==================================================
   TRIANGLE SOLVER
   ================================================== */

.triangle-solver-body {
  display: grid;
  gap: .65rem;
  min-width: 0;
  padding: .7rem;
}

.triangle-orientation-tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .45rem;
}

.triangle-orientation-tab {
  min-height: 3rem;
  padding: .35rem;
  color: var(--cnc-muted);
  background: #151a22;
  border: 1px solid var(--cnc-line);
  border-radius: .65rem;
  cursor: pointer;
}

.triangle-orientation-tab svg {
  display: block;
  width: 3rem;
  height: 2.2rem;
  margin: 0 auto;
}

.triangle-orientation-tab path:first-child {
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linejoin: round;
}

.triangle-orientation-tab .right-mark {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.triangle-orientation-tab:hover,
.triangle-orientation-tab:focus-visible {
  color: var(--cnc-accent);
  border-color: var(--cnc-accent);
  outline: none;
}

.triangle-orientation-tab.is-active {
  color: #111;
  background: var(--cnc-accent);
  border-color: var(--cnc-accent-dark);
}

.triangle-stage {
  position: relative;
  min-height: 27rem;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(255, 212, 0, .055), transparent 55%),
    #151a22;
  border: 1px solid var(--cnc-line);
  border-radius: .9rem;
}

.triangle-diagram {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.triangle-leg,
.triangle-hypotenuse {
  vector-effect: non-scaling-stroke;
  stroke-linecap: round;
}

.triangle-leg {
  stroke: #f8fafc;
  stroke-width: 4;
}

.triangle-hypotenuse {
  stroke: var(--cnc-accent);
  stroke-width: 4;
}

.triangle-right-mark,
.triangle-angle-arc {
  fill: none;
  vector-effect: non-scaling-stroke;
}

.triangle-right-mark {
  stroke: var(--cnc-good);
  stroke-width: 2.5;
}

.triangle-angle-arc {
  stroke: var(--cnc-accent);
  stroke-width: 2.5;
}

.triangle-value {
  position: absolute;
  z-index: 2;
  display: grid;
  width: clamp(7rem, 16vw, 9rem);
  gap: .2rem;
  transform: translate(-50%, -50%);
}

.triangle-value span {
  color: var(--cnc-muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-align: center;
  text-transform: uppercase;
}

.triangle-value input {
  width: 100%;
  min-width: 0;
  padding: .5rem .55rem;
  color: #111;
  background: #f3f5f7;
  border: 2px solid #c9ced6;
  border-radius: .55rem;
  font-size: 1rem;
  font-weight: 800;
  text-align: center;
}

.triangle-value input[type="number"] {
  appearance: textfield;
  -moz-appearance: textfield;
}

.triangle-value input[type="number"]::-webkit-outer-spin-button,
.triangle-value input[type="number"]::-webkit-inner-spin-button {
  margin: 0;
  -webkit-appearance: none;
}

.triangle-value input:focus {
  border-color: var(--cnc-accent);
  outline: 3px solid rgba(255, 212, 0, .2);
}

.triangle-value.is-known input {
  background: var(--cnc-accent);
  border-color: var(--cnc-accent-dark);
}

.triangle-value output {
  min-height: 1.05rem;
  color: var(--cnc-good);
  font-size: .72rem;
  font-weight: 800;
  text-align: center;
}

.triangle-value output::before {
  content: "Solved: ";
  color: var(--cnc-muted);
  font-weight: 700;
}

.triangle-value output:not(.is-solved)::before {
  content: "Value: ";
}

.triangle-fixed-angle {
  position: absolute;
  z-index: 2;
  transform: translate(-50%, -50%);
  padding: .18rem .35rem;
  color: var(--cnc-good);
  background: rgba(21, 26, 34, .82);
  border-radius: .3rem;
  font-size: .72rem;
  font-weight: 900;
  pointer-events: none;
}

.triangle-solver-status {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
}

.triangle-message {
  margin: 0;
  color: var(--cnc-muted);
  font-size: .9rem;
  font-weight: 700;
}

.triangle-message[data-state="solved"] {
  color: var(--cnc-good);
}

.triangle-message[data-state="error"] {
  color: var(--cnc-danger);
}

.triangle-clear {
  flex: 0 0 auto;
  padding: .45rem .8rem;
  color: var(--cnc-text);
  background: #303a49;
  border: 1px solid var(--cnc-line);
  border-radius: .55rem;
  cursor: pointer;
  font-weight: 800;
}

.triangle-clear:hover,
.triangle-clear:focus-visible {
  color: #111;
  background: var(--cnc-accent);
  border-color: var(--cnc-accent-dark);
  outline: none;
}

.triangle-more {
  overflow: hidden;
  background: #151a22;
  border: 1px solid var(--cnc-line);
  border-radius: .75rem;
}

.triangle-more summary {
  padding: .65rem .8rem;
  color: var(--cnc-accent);
  cursor: pointer;
  font-size: .82rem;
  font-weight: 900;
  letter-spacing: .08em;
  list-style-position: inside;
}

.triangle-more-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .55rem;
  padding: 0 .7rem .7rem;
}

.triangle-more-result {
  display: grid;
  gap: .2rem;
  min-width: 0;
  padding: .55rem;
  background: var(--cnc-panel-2);
  border: 1px solid var(--cnc-line);
  border-radius: .55rem;
}

.triangle-more-result span {
  color: var(--cnc-muted);
  font-size: .7rem;
  font-weight: 800;
  letter-spacing: .05em;
  text-transform: uppercase;
}

.triangle-more-result strong {
  overflow-wrap: anywhere;
  font-size: 1rem;
}

/* Triangle Solver: compact, no-scroll desktop presentation. */

@media (min-width: 801px) {
  #triangle-solver-modal {
    padding: .75rem;
  }

  #triangle-solver-modal .triangle-solver-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    width: min(1040px, calc(100vw - 1.5rem));
    height: min(790px, calc(100vh - 1.5rem));
    max-height: calc(100vh - 1.5rem);
    overflow: hidden;
  }

  #triangle-solver-modal .triangle-solver-header {
    position: relative;
    padding: .75rem 1rem;
  }

  #triangle-solver-modal .triangle-solver-header h2 {
    font-size: 2.15rem;
    line-height: 1;
  }

  #triangle-solver-modal .triangle-solver-body {
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    min-height: 0;
    overflow: hidden;
    padding: .65rem;
  }

  #triangle-solver-modal .triangle-orientation-tabs {
    width: min(430px, 100%);
    margin: 0 auto;
  }

  #triangle-solver-modal .triangle-orientation-tab {
    min-height: 2.55rem;
  }

  #triangle-solver-modal .triangle-orientation-tab svg {
    width: 2.7rem;
    height: 1.85rem;
  }

  #triangle-solver-modal .triangle-stage {
    min-height: 0;
    height: 100%;
  }

  #triangle-solver-modal .triangle-value {
    width: 8.5rem;
  }

  #triangle-solver-modal .triangle-more-grid {
    grid-template-columns: repeat(7, minmax(0, 1fr));
  }

  #triangle-solver-modal .triangle-more-result {
    padding: .45rem;
  }

  #triangle-solver-modal .triangle-more-result strong {
    font-size: .9rem;
  }
}

@media (max-width: 800px) {
  #triangle-solver-modal .triangle-solver-panel {
    overflow: auto;
  }

  .triangle-stage {
    min-height: 30rem;
  }

  .triangle-value {
    width: 7rem;
  }
}


/* ==================================================
   TRIANGLE SOLVER — IMAGE-BASED LAYOUT
   ================================================== */

.triangle-orientation-tab img {
  display: block;
  width: 3rem;
  height: 2.2rem;
  margin: 0 auto;
  object-fit: contain;
}

.triangle-visual-shell {
  position: relative;
  min-height: 34rem;
  overflow: hidden;
  background:
    radial-gradient(circle at center, rgba(255, 212, 0, .055), transparent 58%),
    #151a22;
  border: 1px solid var(--cnc-line);
  border-radius: .9rem;
}

.triangle-reference-box {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(58%, 31rem);
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
}

.triangle-reference-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  user-select: none;
  pointer-events: none;
}

.triangle-data-point {
  position: absolute;
  z-index: 3;
  width: 8.2rem;
  transform: translate(-50%, -50%);
}

.triangle-data-point--hypotenuse {
  left: 50%;
  top: 50%;
  width: 8.6rem;
}

.triangle-value {
  position: static;
  width: 100%;
  transform: none;
}

.triangle-value__label {
  display: block;
  margin-bottom: .22rem;
  color: var(--cnc-muted);
  font-size: .72rem;
  font-weight: 800;
  letter-spacing: .06em;
  text-align: center;
  text-transform: uppercase;
}

.triangle-value input {
  width: 100%;
  min-width: 0;
  padding: .48rem .5rem;
  color: #111;
  background: #f3f5f7;
  border: 2px solid #c9ced6;
  border-radius: .55rem;
  font-size: 1rem;
  font-weight: 800;
  text-align: center;
}

.triangle-data-point.is-known .triangle-value input {
  background: var(--cnc-accent);
  border-color: var(--cnc-accent-dark);
}

.triangle-value__solved {
  display: block;
  min-height: 1.05rem;
  margin-top: .18rem;
  color: var(--cnc-good);
  font-size: .72rem;
  font-weight: 800;
  text-align: center;
}

.triangle-value__solved.is-entered {
  color: var(--cnc-muted);
}

.triangle-value__solved.is-calculated {
  color: var(--cnc-good);
}

/* Side data points */

.triangle-data-point[data-slot="left"] {
  left: 8%;
  top: 50%;
}

.triangle-data-point[data-slot="right"] {
  left: 92%;
  top: 50%;
}

.triangle-data-point[data-slot="top"] {
  left: 50%;
  top: 10%;
}

.triangle-data-point[data-slot="bottom"] {
  left: 50%;
  top: 90%;
}

/* Acute-angle data points */

.triangle-data-point[data-slot="top-left"] {
  left: 10%;
  top: 12%;
}

.triangle-data-point[data-slot="top-right"] {
  left: 90%;
  top: 12%;
}

.triangle-data-point[data-slot="bottom-left"] {
  left: 10%;
  top: 88%;
}

.triangle-data-point[data-slot="bottom-right"] {
  left: 90%;
  top: 88%;
}

/* Hypotenuse stays inside the image box */

.triangle-data-point[data-slot="center"] {
  left: 50%;
  top: 50%;
}


/*
  Hypotenuse c occupies the open quadrant of the reference image.
  Positions are mirrored from the image boundaries, not eyeballed
  against the diagonal. The control remains INSIDE .triangle-reference-box.
*/

.triangle-data-point[data-slot="inside-top-left"] {
  left: 0;
  top: 0;
  right: auto;
  bottom: auto;
  transform: none;
}

.triangle-data-point[data-slot="inside-top-right"] {
  left: auto;
  top: 0;
  right: 0;
  bottom: auto;
  transform: none;
}

.triangle-data-point[data-slot="inside-bottom-right"] {
  left: auto;
  top: auto;
  right: 0;
  bottom: 0;
  transform: none;
}

.triangle-data-point[data-slot="inside-bottom-left"] {
  left: 0;
  top: auto;
  right: auto;
  bottom: 0;
  transform: none;
}

.triangle-data-point--hypotenuse .triangle-value {
  padding: .4rem;
  background: rgba(21, 26, 34, .88);
  border: 1px solid rgba(56, 68, 84, .9);
  border-radius: .65rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .22);
}

/* ==================================================
   TRIANGLE SOLVER — DESKTOP
   ================================================== */

@media (min-width: 801px) {

  #triangle-solver-modal {
    padding: .75rem;
  }

  #triangle-solver-modal .triangle-solver-panel {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr);
    width: min(1040px, calc(100vw - 1.5rem));
    height: min(790px, calc(100vh - 1.5rem));
    max-height: calc(100vh - 1.5rem);
    overflow: hidden;
  }

  #triangle-solver-modal .triangle-solver-header {
    position: relative;
    padding: .75rem 1rem;
  }

  #triangle-solver-modal .triangle-solver-header h2 {
    font-size: 2.15rem;
    line-height: 1;
  }

  #triangle-solver-modal .triangle-solver-body {
    display: grid;
    grid-template-rows: auto minmax(0, 1fr) auto auto;
    gap: .55rem;
    min-height: 0;
    overflow: hidden;
    padding: .65rem;
  }

  #triangle-solver-modal .triangle-orientation-tabs {
    width: min(470px, 100%);
    margin: 0 auto;
  }

  #triangle-solver-modal .triangle-orientation-tab {
    min-height: 3rem;
    padding: .25rem;
  }

  #triangle-solver-modal .triangle-orientation-tab img {
    width: 3.35rem;
    height: 2.55rem;
  }

  #triangle-solver-modal .triangle-visual-shell {
    min-height: 0;
    height: 100%;
  }

  #triangle-solver-modal .triangle-reference-box {
    width: min(56%, 30rem);
  }

  #triangle-solver-modal .triangle-data-point {
    width: 8rem;
  }

  #triangle-solver-modal .triangle-data-point--hypotenuse {
    width: 8.5rem;
  }

  #triangle-solver-modal .triangle-more-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  #triangle-solver-modal .triangle-more-result {
    padding: .45rem;
  }

  #triangle-solver-modal .triangle-more-result strong {
    font-size: .9rem;
  }
}

/* ==================================================
   TRIANGLE SOLVER — MOBILE
   ================================================== */

@media (max-width: 800px) {

  #triangle-solver-modal .triangle-solver-panel {
    overflow: auto;
  }

  .triangle-solver-body {
    gap: .6rem;
  }

  .triangle-orientation-tab img {
    width: 2.5rem;
    height: 1.9rem;
  }

  .triangle-visual-shell {
    min-height: 34rem;
  }

  .triangle-reference-box {
    width: min(56%, 18rem);
  }

  .triangle-data-point {
    width: 6.6rem;
  }

  .triangle-data-point--hypotenuse {
    width: 7rem;
  }

  .triangle-data-point[data-slot="left"] {
    left: 12%;
  }

  .triangle-data-point[data-slot="right"] {
    left: 88%;
  }

  .triangle-data-point[data-slot="top-left"] {
    left: 14%;
    top: 13%;
  }

  .triangle-data-point[data-slot="top-right"] {
    left: 86%;
    top: 13%;
  }

  .triangle-data-point[data-slot="bottom-left"] {
    left: 14%;
    top: 87%;
  }

  .triangle-data-point[data-slot="bottom-right"] {
    left: 86%;
    top: 87%;
  }
}


/* ==================================================
   TRIANGLE SOLVER — IMAGE-EDGE ANCHORS V3
   All primary controls are children of .triangle-reference-box.
   This makes every control position relative to the actual image edges.
   ================================================== */

.triangle-reference-box {
  --triangle-control-gap: 1rem;
  overflow: visible;
}

/* Reset the earlier shell-percentage positioning. */
.triangle-reference-box > .triangle-data-point {
  position: absolute;
  z-index: 4;
  width: 8.2rem;
  margin: 0;
}

/* --------------------------------------------------
   Side controls
   One outside edge + midpoint alignment.
   -------------------------------------------------- */

.triangle-reference-box > .triangle-data-point[data-slot="outside-left-center"] {
  top: 50%;
  right: calc(100% + var(--triangle-control-gap));
  bottom: auto;
  left: auto;
  transform: translateY(-50%);
}

.triangle-reference-box > .triangle-data-point[data-slot="outside-right-center"] {
  top: 50%;
  left: calc(100% + var(--triangle-control-gap));
  right: auto;
  bottom: auto;
  transform: translateY(-50%);
}

.triangle-reference-box > .triangle-data-point[data-slot="outside-top-center"] {
  left: 50%;
  bottom: calc(100% + var(--triangle-control-gap));
  top: auto;
  right: auto;
  transform: translateX(-50%);
}

.triangle-reference-box > .triangle-data-point[data-slot="outside-bottom-center"] {
  left: 50%;
  top: calc(100% + var(--triangle-control-gap));
  right: auto;
  bottom: auto;
  transform: translateX(-50%);
}

/* --------------------------------------------------
   Acute-angle controls
   Horizontal outside edge + top/bottom image-edge anchor.

   Example, orientation 1:
   Angle A = left of image, bottoms aligned.
   Angle B = right of image, tops aligned.
   -------------------------------------------------- */

.triangle-reference-box > .triangle-data-point[data-slot="outside-left-top"] {
  right: calc(100% + var(--triangle-control-gap));
  top: 0;
  left: auto;
  bottom: auto;
  transform: none;
}

.triangle-reference-box > .triangle-data-point[data-slot="outside-left-bottom"] {
  right: calc(100% + var(--triangle-control-gap));
  bottom: 0;
  left: auto;
  top: auto;
  transform: none;
}

.triangle-reference-box > .triangle-data-point[data-slot="outside-right-top"] {
  left: calc(100% + var(--triangle-control-gap));
  top: 0;
  right: auto;
  bottom: auto;
  transform: none;
}

.triangle-reference-box > .triangle-data-point[data-slot="outside-right-bottom"] {
  left: calc(100% + var(--triangle-control-gap));
  bottom: 0;
  right: auto;
  top: auto;
  transform: none;
}

/* --------------------------------------------------
   Hypotenuse c
   Lives in the open quadrant INSIDE the image.
   Same image-edge anchoring, mirrored per orientation.
   -------------------------------------------------- */

.triangle-reference-box > .triangle-data-point--hypotenuse[data-slot="inside-top-left"] {
  top: 0;
  left: 0;
  right: auto;
  bottom: auto;
  transform: none;
}

.triangle-reference-box > .triangle-data-point--hypotenuse[data-slot="inside-top-right"] {
  top: 0;
  right: 0;
  left: auto;
  bottom: auto;
  transform: none;
}

.triangle-reference-box > .triangle-data-point--hypotenuse[data-slot="inside-bottom-right"] {
  right: 0;
  bottom: 0;
  left: auto;
  top: auto;
  transform: none;
}

.triangle-reference-box > .triangle-data-point--hypotenuse[data-slot="inside-bottom-left"] {
  left: 0;
  bottom: 0;
  right: auto;
  top: auto;
  transform: none;
}

/* The bottom side control deliberately sits a little farther away
   than the other controls so it clears the image's b label cleanly. */
.triangle-reference-box > .triangle-data-point[data-slot="outside-bottom-center"] {
  top: calc(100% + var(--triangle-control-gap) + .35rem);
}

/* Keep top-side spacing visually symmetric if Side b flips upward. */
.triangle-reference-box > .triangle-data-point[data-slot="outside-top-center"] {
  bottom: calc(100% + var(--triangle-control-gap) + .35rem);
}

@media (min-width: 801px) {
  #triangle-solver-modal .triangle-reference-box {
    --triangle-control-gap: .85rem;
  }
}

@media (max-width: 800px) {
  #triangle-solver-modal .triangle-reference-box {
    --triangle-control-gap: .55rem;
  }

  .triangle-reference-box > .triangle-data-point {
    width: 6.6rem;
  }

  .triangle-reference-box > .triangle-data-point--hypotenuse {
    width: 7rem;
  }
}


@media (min-width: 801px) {
  #triangle-solver-modal .triangle-reference-box {
    --triangle-control-gap: .85rem;

    top: 50%;

    /*
      Reserve vertical room for the top/bottom controls.
      The image stays square and centered.
    */
    width: auto;
    height: calc(100% - 11rem);
    max-height: 30rem;
    aspect-ratio: 1 / 1;

    transform: translate(-50%, -50%);
  }
}
/* ==================================================
   LATHE JAW CUTTING
   ================================================== */


/* --------------------------------------------------
   Jaw modal shell
   -------------------------------------------------- */

#lathe-jaw-modal {
  overflow: hidden;
}

#lathe-jaw-modal .tool-modal__panel {
  min-width: 0;
  max-width: 100%;
  overflow-x: hidden;
}

#lathe-jaw-modal .tool-modal__body {
  width: 100%;
  min-width: 0;
}

#lathe-jaw-modal .calculator-card {
  width: 100%;
  min-width: 0;
}


/* --------------------------------------------------
   Jaw Setup
   Clamping row + Operation row
   -------------------------------------------------- */

#lathe-jaw-modal .jaw-choice-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  min-width: 0;
}

#lathe-jaw-modal .jaw-choice-group {
  display: grid;
  gap: .45rem;
  min-width: 0;
}

#lathe-jaw-modal .jaw-toggle-group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .65rem;
  width: 100%;
  min-width: 0;
}


/* --------------------------------------------------
   Large finger-friendly OD / ID / ROUGH / FINISH
   -------------------------------------------------- */

#lathe-jaw-modal .jaw-toggle {
  display: grid;
  place-items: center;
  gap: .2rem;

  width: 100%;
  min-width: 0;
  min-height: 4.4rem;

  padding: .75rem 1rem;

  color: var(--cnc-text);
  background: #252e3a;

  border: 2px solid var(--cnc-line);
  border-radius: .7rem;

  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: .03em;

  cursor: pointer;

  transition:
    color .12s ease,
    background-color .12s ease,
    border-color .12s ease,
    transform .08s ease,
    box-shadow .12s ease;
}

#lathe-jaw-modal .jaw-toggle:hover,
#lathe-jaw-modal .jaw-toggle:focus-visible {
  border-color: var(--cnc-accent);
  outline: none;
}

#lathe-jaw-modal .jaw-toggle.is-active,
#lathe-jaw-modal .jaw-toggle[aria-pressed="true"] {
  color: #111;
  background: var(--cnc-good);
  border-color: var(--cnc-good-dark);

  box-shadow:
    0 0 0 1px rgba(157, 255, 87, .22),
    0 6px 18px rgba(0, 0, 0, .3);
}

#lathe-jaw-modal .jaw-toggle:active {
  transform: translateY(1px);
}

#lathe-jaw-modal .jaw-toggle__primary {
  display: block;
  font-size: 1.05rem;
  font-weight: 900;
  line-height: 1.1;
}

#lathe-jaw-modal .jaw-toggle__secondary {
  display: block;
  font-size: .78rem;
  font-weight: 800;
  line-height: 1.1;
  opacity: .75;
}

#lathe-jaw-modal .jaw-toggle.is-active .jaw-toggle__secondary,
#lathe-jaw-modal .jaw-toggle[aria-pressed="true"] .jaw-toggle__secondary {
  opacity: .9;
}


/* --------------------------------------------------
   Jaw Dimensions
   Always 2-wide
   -------------------------------------------------- */

#lathe-jaw-modal .jaw-dimensions-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: .75rem;
  min-width: 0;
}

@media (min-width: 801px) {
  #lathe-jaw-modal .jaw-dimensions-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .85rem;
  }
}


/* --------------------------------------------------
   Calculated Setup
   Keep results 2-wide
   -------------------------------------------------- */

#lathe-jaw-modal .result-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 801px) {
  #lathe-jaw-modal .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .85rem;
  }
}


/* --------------------------------------------------
   Fields
   -------------------------------------------------- */

#lathe-jaw-modal .field,
#lathe-jaw-modal .result-field {
  min-width: 0;
}

#lathe-jaw-modal .field input {
  width: 100%;
  min-width: 0;
}


/* --------------------------------------------------
   Cut Path output
   -------------------------------------------------- */

#lathe-jaw-modal .jaw-code-output {
  display: block;

  width: 100%;
  max-width: 100%;
  min-width: 0;

  margin: 0;
  padding: .9rem;

  color: var(--cnc-text);
  background: #0d1118;

  border: 1px solid var(--cnc-line);
  border-radius: .65rem;

  overflow-x: auto;
  overflow-y: visible;
  overscroll-behavior-x: contain;

  white-space: pre;

  font-family:
    "Cascadia Code",
    Consolas,
    "Courier New",
    monospace;

  font-size: 1.2rem;
  line-height: 1.5;
}


/* ==================================================
   LATHE JAW — MOBILE
   ================================================== */

@media (max-width: 800px) {

  #lathe-jaw-modal {
    width: 100dvw;
    height: 100dvh;

    padding: 0;

    align-items: stretch;
    justify-items: stretch;
  }

  #lathe-jaw-modal .tool-modal__panel {
    width: 100%;
    height: 100dvh;

    max-width: none;
    max-height: none;

    margin: 0;

    border-left: 0;
    border-right: 0;
    border-radius: 0;

    overflow-y: auto;
    overflow-x: hidden;

    overscroll-behavior: contain;
    -webkit-overflow-scrolling: touch;
  }

  #lathe-jaw-modal .tool-modal__header {
    width: 100%;
  }

  #lathe-jaw-modal .tool-modal__body {
    width: 100%;
    padding: .75rem;
  }

  #lathe-jaw-modal .jaw-toggle {
    min-height: 4rem;
    padding: .85rem .75rem;
    font-size: 1.1rem;
  }

  #lathe-jaw-modal .jaw-dimensions-grid,
  #lathe-jaw-modal .result-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: .65rem;
  }

  #lathe-jaw-modal .calculator-card {
    padding: .75rem;
  }

  #lathe-jaw-modal .field input {
    padding: .75rem .4rem;
    font-size: 1.1rem;
  }

  #lathe-jaw-modal .result-box {
    min-height: 3.5rem;
    padding: .6rem .4rem;
  }

  #lathe-jaw-modal .result-box strong {
    font-size: 1.15rem;
  }

  #lathe-jaw-modal .jaw-code-output {
    font-size: 1.2rem;
    padding: .75rem;
  }
}


/* ==================================================
   LATHE JAW — ACTION FOOTER
   ================================================== */

#lathe-jaw-modal .jaw-action-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: .65rem;
  width: 100%;
}

#lathe-jaw-modal .jaw-action-button {
  width: 100%;
  min-width: 0;
  min-height: 3.6rem;
  padding: .75rem .5rem;

  color: var(--cnc-text);
  background: #303a49;

  border: 1px solid var(--cnc-line);
  border-radius: .65rem;

  font-size: 1rem;
  font-weight: 900;
  text-align: center;

  cursor: pointer;
}

#lathe-jaw-modal .jaw-action-button:hover,
#lathe-jaw-modal .jaw-action-button:focus-visible {
  border-color: var(--cnc-accent);
  outline: none;
}

#lathe-jaw-modal .jaw-action-button.is-active,
#lathe-jaw-modal .jaw-action-button[aria-pressed="true"] {
  color: #111;
  background: var(--cnc-good);
  border-color: var(--cnc-good-dark);
}

@media (max-width: 800px) {
  #lathe-jaw-modal .jaw-action-grid {
    gap: .5rem;
  }

  #lathe-jaw-modal .jaw-action-button {
    min-height: 3.8rem;
    padding: .7rem .35rem;
    font-size: .95rem;
  }
}