/******* Do not edit this file *******
Simple Custom CSS and JS - by Silkypress.com
Saved: Jul 09 2026 | 14:50:08 */
:root {
  /* -- Colors (light, technical "engineering notebook" palette) -- */
  --bg: #f4f6f5;
  --surface: #ecf9ff;
  --ink: #182420;
  --ink-soft: #5c6b65;
  --ink-faint: #93a19c;
  --border: #dde3e0;
  --accent: #0582ca;
  --accent-hover: #035381;
  --accent-soft: #e4f2ee;
  --error: #c0392b;
  --error-soft: #fbeae8;

  /* -- Type -- */
  --font-body: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* -- Layout -- */
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-card: 0 1px 2px rgba(24, 36, 32, 0.04), 0 8px 24px rgba(24, 36, 32, 0.06);
  --max-width: 100%;
  --gap: clamp(0.75rem, 2vw, 1.25rem);
}


*, *::before, *::after { box-sizing: border-box; }

/* ---------- Page wrapper ---------- */
.calc-page {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: clamp(1.25rem, 5vw, 3rem) 1rem;
}

/* ---------- Card ---------- */
.calc-card {
  width: 100%;
  max-width: var(--max-width);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: clamp(1.25rem, 4vw, 2rem);
}

.calc-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 0.35rem;
}

.calc-title {
  font-size: clamp(1.25rem, 3vw, 1.5rem);
  font-weight: 600;
  margin: 0 0 0.35rem;
}

.calc-subtitle {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin: 0 0 1.5rem;
  line-height: 1.5;
}

/* ---------- Form ---------- */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: var(--gap);
}

/* Two fields side-by-side on wider screens, stacked on mobile */
.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

@media (min-width: 480px) {
  .form-row.cols-2 { grid-template-columns: 1fr 1fr; }
  .form-row.cols-3 { grid-template-columns: 1fr 1fr 1fr; }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
}

.form-group .field-hint {
  font-size: 0.75rem;
  color: var(--ink-faint);
}

/* ---------- Inputs ---------- */
input[type="text"],
input[type="number"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--surface);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.8rem;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

textarea { font-family: var(--font-body); resize: vertical; min-height: 5rem; }

input::placeholder { color: var(--ink-faint); font-family: var(--font-body); }

input:hover, select:hover, textarea:hover { border-color: #c4cdc9; }

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Unit-suffixed input, e.g. "kg", "%", "yrs" */
.input-suffix {
  position: relative;
  display: flex;
  align-items: center;
}
.input-suffix input { padding-right: 3rem; }
.input-suffix span {
  position: absolute;
  right: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink-faint);
  pointer-events: none;
}

/* Radio / checkbox groups */
.choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.choice-group input[type="radio"],
.choice-group input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0; height: 0;
}
.choice-group label {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.5rem 0.9rem;
  border: 1.5px solid var(--border);
  border-radius: 999px;
  color: var(--ink-soft);
  transition: all 0.15s ease;
}
.choice-group input:checked + label {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-hover);
}
.choice-group input:focus-visible + label {
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Error state */
.form-group.has-error input,
.form-group.has-error select {
  border-color: var(--error);
}
.error-text {
  font-size: 0.78rem;
  color: var(--error);
  margin: 0.15rem 0 0;
}

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-sm);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.05s ease;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--ink-soft);
}
.btn-secondary:hover { border-color: var(--ink-faint); color: var(--ink); }

.btn-row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.btn-row .btn { flex: 1; min-width: 8rem; }

/* ---------- Result panel (digital-readout style) ---------- */
.result-panel {
  margin-top: 0.5rem;
  background: var(--ink);
  border-radius: var(--radius-sm);
  padding: 1.1rem 1.25rem;
  display: none; /* toggle to 'block' via JS when a result exists */
}
.result-panel.is-visible { display: block; }

.result-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #93a19c;
  margin: 0 0 0.3rem;
}

.result-value {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 6vw, 2.1rem);
  font-weight: 600;
  color: #ffffff;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
  word-break: break-word;
}

.result-note {
  font-size: 0.8rem;
  color: #b7c0bc;
  margin-top: 0.35rem;
}

/* ---------- Footer note under card ---------- */
.calc-footnote {
  text-align: center;
  font-size: 0.75rem;
  color: var(--ink-faint);
  margin-top: 1rem;
}

/* ---------- Accessibility ---------- */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}