@font-face {
  font-family: "Segoe Local";
  src: url("./fonts/SegoeUI-Regular.ttf") format("truetype");
  font-weight: 400;
}
@font-face {
  font-family: "Segoe Local";
  src: url("./fonts/SegoeUI-Bold.ttf") format("truetype");
  font-weight: 700;
}
@font-face {
  font-family: "Segoe Local";
  src: url("./fonts/SegoeUI-Light.ttf") format("truetype");
  font-weight: 300;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  background: #fff;
  color: #000;
  font-family: "Segoe Local", "Segoe UI", sans-serif;
  font-size: 15px;
}
main {
  padding: 10px 20px 28px;
}
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 12px;
  border-bottom: 2px solid #000;
  padding-bottom: 8px;
}
h1 {
  margin: 0;
  font-size: 24px;
  font-weight: 300;
}
.support-status {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 13px;
  white-space: nowrap;
}
button,
input,
select {
  font: inherit;
  color: #000;
  background: #fff;
  border: 2px solid #000;
  min-height: 32px;
  padding: 4px 8px;
}
button {
  cursor: pointer;
  font-weight: 400;
}
button:hover,
button.active {
  background: #000;
  color: #fff;
}
button:disabled {
  cursor: not-allowed;
  color: #777;
  border-color: #777;
}
button:disabled:hover {
  background: #fff;
  color: #777;
}
.panel { display: none; }
.panel.active { display: block; }
.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 12px;
  max-width: 1000px;
}
.form-grid label {
  display: grid;
  gap: 5px;
  font-weight: 400;
}
.form-grid .wide {
  grid-column: 1 / -1;
}
.form-grid button {
  align-self: end;
}
.solver-form {
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  max-width: 1000px;
}
.solver-form textarea {
  min-height: 86px;
  resize: vertical;
  border: 2px solid #000;
  padding: 8px;
  font: 13px "JetBrains Mono", ui-monospace, monospace;
}
.solver-form input,
.solver-form select {
  width: 100%;
}
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}
.meter {
  height: 16px;
  border: 2px solid #000;
  margin: 14px 0 6px;
}
.meter > div {
  height: 100%;
  width: 0;
  background: #000;
}
.readout {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-weight: 400;
  margin-bottom: 8px;
}
.solver-log {
  min-height: 220px;
  max-height: 420px;
  overflow: auto;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
.generator-box,
.diagnostic-box {
  border: 2px solid #000;
  padding: 10px;
}
.generator-box legend {
  font-weight: 400;
  padding: 0 4px;
}
.generator-grid {
  display: grid;
  grid-template-columns: minmax(220px, 2fr) repeat(auto-fit, minmax(110px, 1fr));
  gap: 10px;
}
.generator-grid label {
  display: grid;
  gap: 5px;
  font-weight: 400;
}
.generator-grid-secondary {
  margin-top: 10px;
}
.generator-stats {
  font-weight: 400;
}
.generator-preview {
  max-height: 180px;
  overflow: auto;
  margin-bottom: 0;
  font-family: "JetBrains Mono", ui-monospace, monospace;
}
pre {
  border: 2px solid #000;
  padding: 10px;
  white-space: pre-wrap;
}
pre:empty {
  display: none;
}
@media (max-width: 780px) {
  main { padding: 10px 12px 24px; }
  .topbar { display: grid; }
  .support-status { white-space: normal; }
}