/* Global Reset */
:where(
  .ghp-calculator-container *,
  .ghp-calculator-container *::before,
  .ghp-calculator-container *::after
) {
  box-sizing: border-box;
}

.ghp-calculator-container * {
  all: revert;
  box-sizing: border-box;
  font-family: inherit;
}

/* Container */
#ghp-soil-calculator {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 0.5rem 1rem;
  box-sizing: border-box;
  background: #eaf6fd;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.05);
}

#ghp-soil-calculator.ghp-calculator-container {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #111;
}

#ghp-soil-calculator h2 {
  text-align: center;
  font-size: 1.8rem;
  margin-bottom: 2rem;
}

/* Form Layout */
#ghp-soil-calculator .ghp-form-grid,
#ghp-soil-calculator .ghp-form-grid-3,
#ghp-soil-calculator .ghp-dimensions-rectangle,
#ghp-soil-calculator .ghp-dimensions-circle {
  display: grid;
  gap: 1rem;
}

#ghp-soil-calculator .ghp-form-grid {
  grid-template-columns: 1fr 1fr;
}

#ghp-soil-calculator .ghp-form-grid-3,
#ghp-soil-calculator .ghp-dimensions-rectangle,
#ghp-soil-calculator .ghp-dimensions-circle {
  grid-template-columns: 1fr 1fr 1fr;
  margin: 1rem 0 0.5rem 0;
}

.ghp-dimensions-circle .ghp-row:nth-child(3) {
  visibility: hidden; /* empty placeholder cell for alignment */
}

#ghp-soil-calculator .ghp-dimensions-rectangle,
#ghp-soil-calculator .ghp-dimensions-circle {
  grid-column: 1 / -1;
}

#ghp-soil-calculator fieldset {
  border: none;
  padding: 0;
  margin: 0 0 1rem 0;
}

#ghp-soil-calculator .ghp-row label.ghp-inline {
  font-weight: normal;
}

#ghp-soil-calculator legend {
  font-weight: bold;
  margin-bottom: 0.25rem;
  display: block;
}

/* Labels & Inputs */
#ghp-soil-calculator .ghp-row label,
#ghp-soil-calculator .ghp-form-grid label {
  font-weight: bold;
  display: block;
}

#ghp-soil-calculator .ghp-form-grid label input,
#ghp-soil-calculator .ghp-form-grid input[type='radio'] {
  margin-right: 0.4rem;
}

#ghp-soil-calculator input[type='number'] {
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
}

#ghp-soil-calculator input[type='radio'] + label,
#ghp-soil-calculator input[type='number'],
#ghp-soil-calculator .ghp-row button {
  margin-bottom: 0.5rem;
}

/* Buttons */
#ghp-soil-calculator .ghp-submit,
#ghp-soil-calculator .ghp-reset {
  appearance: none;
  -webkit-appearance: none;
  border: none;
  cursor: pointer;
  font-weight: bold;
}

#ghp-soil-calculator .ghp-submit {
  background-color: #2a80ff;
  color: white;
  padding: 0.6rem 1.5rem;
  border-radius: 4px;
  margin-right: 1rem;
  transition: background-color 0.3s ease;
}

#ghp-soil-calculator .ghp-submit:hover {
  background-color: #005ce6;
}

/* Button states */
#ghp-soil-calc-form .ghp-submit {
  transition:
    background-color 0.2s ease,
    transform 0.15s ease,
    color 0.2s ease,
    opacity 0.2s ease;
}
#ghp-soil-calc-form .ghp-submit.is-busy {
  opacity: 0.85;
  pointer-events: none;
}
#ghp-soil-calc-form .ghp-submit.is-done {
  background-color: #28a745; /* green */
  color: #fff;
  transform: scale(1.05);
}

#ghp-soil-calculator .ghp-reset {
  background: none;
  color: #c0392b;
}

/* Button Groups */
#ghp-soil-calculator .ghp-button-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  margin: 1em 0;
  gap: 1rem;
}

#ghp-soil-calculator .ghp-button-group {
  display: flex;
  gap: 1rem;
}

/* Default (desktop): buttons, copyright, then result */
#ghp-soil-calculator .ghp-button-row .ghp-button-group {
  order: 1;
}
#ghp-soil-calculator .ghp-button-row .ghp-copyright {
  order: 2;
}
#ghp-soil-calculator .ghp-button-row #ghp-soil-result {
  order: 3;
  width: 100%;
}

/* Results Box */
#ghp-soil-calculator .ghp-result {
  background: #f1f9ff;
  border: 1px solid #d0e7f6;
  padding: 1rem;
  margin-top: 2rem;
  font-size: 1rem;
  line-height: 1.4;
  width: 100%;
}

/* Copyright Text */
#ghp-soil-calculator .ghp-copyright,
#ghp-soil-calculator .ghp-cp-text {
  color: #222;
  margin: 0;
  padding: 0;
}

#ghp-soil-calculator .ghp-copyright {
  text-align: right;
  font-size: 0.7rem;
  max-width: 300px;
  margin-left: auto;
}

#ghp-soil-calculator .ghp-cp-text {
  font-size: 0.65rem;
}

/* Focus Outlines */
#ghp-soil-calculator input:focus,
#ghp-soil-calculator button:focus {
  outline: 2px solid #005ce6;
  outline-offset: 2px;
}

/* Mobile Styles */
@media screen and (max-width: 768px) {
  #ghp-soil-calculator {
    padding: 0.5rem 1.5rem;
    margin: auto auto;
    max-width: 100%;
  }

  #ghp-soil-calculator .ghp-form-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  #ghp-soil-calculator .ghp-button-set {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  #ghp-soil-calculator .ghp-form-grid-3,
  #ghp-soil-calculator .ghp-dimensions-rectangle {
    display: flex;
    width: 100%;
  }

  #ghp-soil-calculator .ghp-row label {
    display: block;
    margin-bottom: 0.25rem;
  }

  #ghp-soil-calculator .ghp-button-row .ghp-button-group {
    order: 1;
  }
  #ghp-soil-calculator .ghp-button-row #ghp-soil-result {
    order: 2;
  }
  #ghp-soil-calculator .ghp-button-row .ghp-copyright {
    order: 3;
  }

  #ghp-soil-calculator .ghp-button-row,
  #ghp-soil-calculator .ghp-button-group {
    flex-direction: column;
    align-items: center;
    width: 100%;
  }

  #ghp-soil-calculator .ghp-submit {
    margin-right: 0;
    width: 80%;
  }

  #ghp-soil-calculator .ghp-copyright {
    text-align: center;
    margin: 0.3em 0 0 0;
    font-size: 0.75rem;
  }

  #ghp-soil-calculator .ghp-cp-text {
    font-size: 0.7rem;
  }

  #ghp-soil-calculator .ghp-result {
    margin-top: 0;
    padding: 1rem 1rem 0;
  }
}

@media screen and (max-width: 510px) {
  .ghp-dimensions-rectangle label,
  .ghp-dimensions-circle label {
    display: block;
    text-align: center; /* optional, looks neat */
  }

  .ghp-dimensions-rectangle .ghp-unit-label,
  .ghp-dimensions-circle .ghp-unit-label {
    display: block; /* force onto its own line */
  }
}

@media screen and (max-width: 350px) {
  #ghp-soil-calculator .ghp-form-grid,
  #ghp-soil-calculator .ghp-form-grid-3,
  #ghp-soil-calculator .ghp-dimensions-rectangle,
  #ghp-soil-calculator .ghp-dimensions-circle {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .ghp-dimensions-rectangle label,
  .ghp-dimensions-circle label {
    display: inline-flex;
    text-align: left; /* optional, looks neat */
  }

  .ghp-dimensions-rectangle .ghp-unit-label,
  .ghp-dimensions-circle .ghp-unit-label {
    display: inline-flex; /* force onto its own line */
  }
}
/* */
@media screen and (max-width: 310px) {
  #ghp-soil-calculator .ghp-button-set {
    grid-template-columns: 1fr;
    gap: 0.3rem;
  }
}