/* ==========================================================================
   cnc-dialog.css — ncurses `dialog(1)` look for HTML forms
   Pairs with cnc-dialog.js. Nothing here depends on that script, so the
   classes can also be hand-written into static markup.
   ========================================================================== */

:root {
  --cd-blue:      #0000a8;   /* backdrop, inactive field text bg */
  --cd-blue-dark: #000080;
  --cd-cyan:      #00a8a8;   /* window body                      */
  --cd-white:     #ffffff;
  --cd-black:     #000000;
  --cd-red:       #a80000;   /* hotkey letter                    */
  --cd-yellow:    #fcfc54;   /* hotkey on a selected button      */
  --cd-shadow:    rgba(0, 0, 0, .55);
  --cd-mono: "DejaVu Sans Mono", "Liberation Mono", Menlo, Consolas,
             "Courier New", monospace;
  --cd-labelw: 16ch;         /* overridden per dialog by the script */
}

/* --- page chrome: backtitle bar and help line ---------------------------- */

.cd-screen {
  min-height: 100vh;
  margin: 0;
  font: 16px/1.5 var(--cd-mono);
  color: var(--cd-white);
  background-color: var(--cd-blue);
  background-image:
    repeating-linear-gradient(0deg,  rgba(255,255,255,.10) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.10) 0 1px, transparent 1px 8px);
  padding: 0 12px 34px;
}

.cd-backtitle {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 2px 8px 2px;
  border-bottom: 1px solid rgba(255,255,255,.8);
  margin: 0 -12px 0;
}

.cd-statusbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  padding: 2px 8px;
  font: .9rem/1.5 var(--cd-mono);
  color: var(--cd-white);
  background: var(--cd-blue-dark);
}

/* --- the window --------------------------------------------------------- */

dialog.cd {
  width: min(640px, calc(100vw - 32px));
  font: 16px/1.5 var(--cd-mono);
  color: var(--cd-black);
  background: var(--cd-cyan);
  border: 2px solid;
  border-color: var(--cd-white) var(--cd-blue-dark) var(--cd-blue-dark) var(--cd-white);
  border-radius: 0;
  box-shadow: 10px 10px 0 var(--cd-shadow);
  padding: 10px 18px 14px;
  margin: 8vh auto auto;
}

dialog.cd::backdrop {
  background-color: var(--cd-blue);
  background-image:
    repeating-linear-gradient(0deg,  rgba(255,255,255,.10) 0 1px, transparent 1px 8px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.10) 0 1px, transparent 1px 8px);
}

.cd-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--cd-blue);
  text-align: center;
  letter-spacing: .04em;
  margin: 0px 0 14px;            /* lift the title onto the top border */
}
.cd-title span { background: var(--cd-cyan); padding: 0 8px; }

.cd-blurb { margin: 0 0 14px; }

/* --- rows --------------------------------------------------------------- */

.cd-row {
  display: grid;
  grid-template-columns: var(--cd-labelw) 1fr;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 6px;
}
.cd-row > label { white-space: nowrap; }

.cd-input {
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.cd-unit { color: var(--cd-blue-dark); }

dialog.cd input[type="text"],
dialog.cd input[type="number"],
dialog.cd select {
  font: inherit;
  color: var(--cd-white);
  background: var(--cd-blue);
  border: 0;
  border-radius: 0;
  padding: 0 6px;
  width: 100%;
  max-width: 26ch;
  appearance: none;
  -moz-appearance: textfield;
}
dialog.cd input[type="number"]::-webkit-outer-spin-button,
dialog.cd input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}
dialog.cd input:focus,
dialog.cd select:focus {
  outline: none;
  background: var(--cd-white);
  color: var(--cd-blue);
}
dialog.cd input:invalid { background: var(--cd-red); color: var(--cd-white); }

/* --- radiolist / checklist ---------------------------------------------- */

dialog.cd fieldset { border: 0; margin: 12px 0 4px; padding: 0; }
dialog.cd legend    { padding: 0; margin-bottom: 4px; }

.cd-choice {
  display: block;
  cursor: pointer;
  padding-left: var(--cd-labelw);
}
.cd-choice input { position: absolute; opacity: 0; width: 0; height: 0; }

.cd-mark::after                              { content: "( ) "; }
.cd-choice input:checked ~ .cd-mark::after   { content: "(*) "; }
.cd-check .cd-mark::after                    { content: "[ ] "; }
.cd-check input:checked ~ .cd-mark::after    { content: "[X] "; }

.cd-choice input:checked ~ .cd-mark,
.cd-choice input:checked ~ .cd-text {
  color: var(--cd-white);
  background: var(--cd-blue);
}
.cd-choice input:focus-visible ~ .cd-mark,
.cd-choice input:focus-visible ~ .cd-text {
  color: var(--cd-blue);
  background: var(--cd-white);
}

/* --- buttons ------------------------------------------------------------ */

.cd-buttons {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 18px;
}
.cd-btn {
  font: inherit;
  color: var(--cd-black);
  background: var(--cd-cyan);
  border: 0;
  border-radius: 0;
  padding: 0 2px;
  cursor: pointer;
}
.cd-btn .cd-hot { color: var(--cd-red); }
.cd-btn:hover,
.cd-btn:focus-visible {
  outline: none;
  background: var(--cd-blue);
  color: var(--cd-white);
}
.cd-btn:hover .cd-hot,
.cd-btn:focus-visible .cd-hot { color: var(--cd-yellow); }

/* --- shell-style output block ------------------------------------------- */

.cd-output {
  font: 16px/1.5 var(--cd-mono);
  color: var(--cd-white);
  white-space: pre-wrap;
  word-break: break-word;
  margin: 18px 0 0;
}
.cd-output:empty { display: none; }

/* --- narrow screens ------------------------------------------------------ */

@media (max-width: 560px) {
  .cd-screen, dialog.cd, .cd-output { font-size: 14px; }
  .cd-row     { grid-template-columns: 1fr; gap: 2px; }
  .cd-choice  { padding-left: 0; }
  dialog.cd   { box-shadow: 6px 6px 0 var(--cd-shadow); margin-top: 4vh; }
}

/* display Gcode here */
.gcoderesult {
  margin: 0 auto;
  padding: 10px;
  border-radius: 20px;
  box-shadow: 5px 5px 10px rgba(0, 0, 0, 0.7);
  line-height: 1;
  background: var(--cd-black);
  color: var(--cd-white);
  height: 400px;
  width: 90%;
  overflow: auto;
}