/* ============================================
   AUTONOMOUS MOWING SOLUTIONS - ROI CALCULATOR
   Form & Input Styles
   ============================================ */


/* ============================================
   FORM GROUPS & LABELS
   ============================================ */

.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-gray-700);
  font-size: 0.925rem;
}

.form-helper {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-top: var(--space-1);
  line-height: 1.4;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}


/* ============================================
   TEXT INPUTS & SELECTS
   ============================================ */

.form-input {
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  font-size: 16px; /* Prevents iOS zoom on focus */
  font-family: var(--font-family);
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast),
              background-color var(--transition-fast);
  line-height: 1.5;
  -webkit-tap-highlight-color: transparent;
}

.form-input::placeholder {
  color: var(--color-gray-400);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(227, 118, 39, 0.15);
  background-color: var(--color-white);
}

.form-input:hover:not(:focus) {
  border-color: var(--color-gray-400);
}

/* Error State */
.form-input.error {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.error-message {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: var(--space-1);
  display: none;
}

.form-group.has-error .error-message {
  display: block;
}

/* Native Select (hidden when custom is used, fallback) */
.form-select {
  width: 100%;
  padding: 14px 40px 14px 16px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  font-size: 16px;
  font-family: var(--font-family);
  color: var(--color-gray-800);
  background-color: var(--color-gray-50);
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
}

/* ---- Custom Branded Select ---- */
.custom-select {
  position: relative;
  width: 100%;
}

.custom-select-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 14px 16px;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-lg);
  background-color: var(--color-white);
  font-family: var(--font-family);
  font-size: 16px;
  color: var(--color-gray-800);
  cursor: pointer;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  text-align: left;
  -webkit-tap-highlight-color: transparent;
}

.custom-select-trigger:hover {
  border-color: var(--color-gray-400);
  background-color: var(--color-gray-50);
}

.custom-select-trigger:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(227, 118, 39, 0.15);
}

.custom-select.open .custom-select-trigger {
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(227, 118, 39, 0.15);
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0;
}

/* Placeholder state */
.custom-select-value.placeholder {
  color: var(--color-gray-400);
}

/* Arrow */
.custom-select-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-orange) 0%, var(--color-orange-light) 100%);
  color: var(--color-white);
  flex-shrink: 0;
  margin-left: var(--space-2);
  transition: transform var(--transition-fast);
}

.custom-select.open .custom-select-arrow {
  transform: rotate(180deg);
}

/* Dropdown panel */
.custom-select-options {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 50;
  background-color: var(--color-white);
  border: 1.5px solid var(--color-orange);
  border-top: none;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.12);
  list-style: none;
  margin: 0;
  padding: var(--space-1) 0;
  overflow: hidden;
}

.custom-select.open .custom-select-options {
  display: block;
  animation: selectSlideDown 0.2s ease forwards;
}

@keyframes selectSlideDown {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Individual option */
.custom-select-option {
  display: flex;
  flex-direction: column;
  padding: 12px 16px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
  border-left: 3px solid transparent;
}

.custom-select-option:hover {
  background-color: rgba(227, 118, 39, 0.06);
  border-left-color: var(--color-orange-lighter);
}

.custom-select-option.selected {
  background-color: rgba(227, 118, 39, 0.08);
  border-left-color: var(--color-orange);
}

.option-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  font-size: 0.95rem;
}

.custom-select-option:hover .option-label,
.custom-select-option.selected .option-label {
  color: var(--color-orange);
}

.option-desc {
  font-size: 0.78rem;
  color: var(--color-gray-400);
  margin-top: 2px;
}

/* Divider between options */
.custom-select-option + .custom-select-option {
  border-top: 1px solid var(--color-gray-100);
}


/* ============================================
   INPUT WRAPPER (Currency + Unit)
   ============================================ */

.input-wrapper {
  position: relative;
  display: flex;
  align-items: stretch;
}

.input-wrapper .input-unit {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-500);
  font-size: 0.85rem;
  pointer-events: none;
  white-space: nowrap;
}

.input-wrapper .form-input {
  padding-right: 80px;
}

.input-currency,
.currency-input {
  position: relative;
  display: flex;
  align-items: stretch;
}

.input-prefix,
.currency-input .currency-symbol {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-500);
  font-size: 0.95rem;
  font-weight: var(--font-weight-semibold);
  pointer-events: none;
  z-index: 1;
}

.input-currency .form-input,
.currency-input .form-input {
  padding-left: 32px;
}

/* When input-wrapper also has input-currency */
.input-wrapper.input-currency .input-unit {
  right: 16px;
}

.input-wrapper.input-currency .form-input {
  padding-left: 32px;
  padding-right: 100px;
}

/* Legacy unit-input class */
.unit-input {
  position: relative;
  display: flex;
  align-items: stretch;
}

.unit-input .unit-suffix {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-gray-500);
  font-size: 0.85rem;
  pointer-events: none;
  white-space: nowrap;
}

.unit-input .form-input {
  padding-right: 80px;
}


/* ============================================
   RANGE SLIDER
   ============================================ */

.range-wrapper {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.range-value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-orange);
  font-size: 0.95rem;
  min-width: 48px;
  text-align: right;
  flex-shrink: 0;
}

.slider-group {
  margin-bottom: var(--space-6);
}

.slider-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.slider-label {
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-700);
  font-size: 0.925rem;
}

.slider-value {
  font-weight: var(--font-weight-semibold);
  color: var(--color-orange);
  font-size: 0.95rem;
  min-width: 48px;
  text-align: right;
}

.form-range,
.slider-input {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(to right,
    var(--color-orange) 0%,
    var(--color-orange) var(--fill, 50%),
    var(--color-gray-200) var(--fill, 50%),
    var(--color-gray-200) 100%);
  outline: none;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.form-range::-webkit-slider-thumb,
.slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--color-orange);
  border: 3px solid var(--color-white);
  box-shadow: 0 2px 6px rgba(227, 118, 39, 0.3);
  cursor: pointer;
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover,
.slider-input::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 8px rgba(227, 118, 39, 0.3);
}

.form-range::-moz-range-thumb,
.slider-input::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-orange);
  border: 2px solid var(--color-white);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

.form-range::-moz-range-track,
.slider-input::-moz-range-track {
  height: 6px;
  border-radius: 3px;
  background: var(--color-gray-200);
}

.slider-helper {
  font-size: 0.8rem;
  color: var(--color-gray-500);
  margin-top: var(--space-1);
}


/* ============================================
   TOGGLE SWITCH
   ============================================ */

.form-group-toggle {
  margin-bottom: var(--space-6);
}

.toggle-wrapper,
.toggle-switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
}

.toggle-input,
.toggle-switch input[type="checkbox"] {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.toggle-slider,
.toggle-track {
  position: relative;
  width: 48px;
  height: 24px;
  background-color: var(--color-gray-300);
  border-radius: 12px;
  transition: background-color var(--transition-normal);
  flex-shrink: 0;
}

.toggle-slider::after,
.toggle-track::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background-color: var(--color-white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
  transition: transform var(--transition-normal);
}

.toggle-input:checked + .toggle-slider,
.toggle-switch input[type="checkbox"]:checked + .toggle-track {
  background-color: var(--color-orange);
}

.toggle-input:checked + .toggle-slider::after,
.toggle-switch input[type="checkbox"]:checked + .toggle-track::after {
  transform: translateX(24px);
}

.toggle-input:focus-visible + .toggle-slider,
.toggle-switch input[type="checkbox"]:focus-visible + .toggle-track {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

.toggle-label {
  font-size: 0.9rem;
  color: var(--color-gray-700);
  user-select: none;
}


/* ============================================
   CARD SELECTOR
   ============================================ */

.card-selector {
  display: flex;
  flex-direction: row;
  gap: var(--space-4);
}

.card-option {
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: 24px 32px;
  cursor: pointer;
  text-align: center;
  flex: 1;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast),
              box-shadow var(--transition-fast),
              transform var(--transition-fast);
  background-color: var(--color-white);
  -webkit-tap-highlight-color: transparent;
}

.card-option:hover {
  border-color: var(--color-gray-300);
  box-shadow: var(--shadow-sm);
}

.card-option.selected {
  border-color: var(--color-orange);
  background-color: rgba(227, 118, 39, 0.05);
  box-shadow: 0 0 0 1px var(--color-orange), 0 4px 16px rgba(227, 118, 39, 0.1);
  transform: scale(1.02);
}

.card-option h3 {
  font-size: 1.1rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.card-option p {
  font-size: 0.85rem;
  color: var(--color-gray-500);
  line-height: 1.4;
}

/* Card icon & label */
.card-icon {
  display: block;
  margin: 0 auto var(--space-2);
  color: var(--color-gray-400);
  transition: color var(--transition-fast);
}

.card-option.selected .card-icon {
  color: var(--color-orange);
}

.card-label {
  display: block;
  font-weight: var(--font-weight-semibold);
  font-size: 1rem;
  color: var(--color-gray-700);
}

.card-option.selected .card-label {
  color: var(--color-orange);
}

/* Hidden radio inside card */
.card-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

/* Source label (inside form labels) */
.source-label {
  display: block;
  font-size: 0.7rem;
  font-style: italic;
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-400);
  margin-top: 2px;
}

/* Label subtitle */
.label-subtitle {
  display: block;
  font-size: 0.8rem;
  font-weight: var(--font-weight-normal);
  color: var(--color-gray-500);
  margin-top: 2px;
}

/* Info box */
.info-box {
  background-color: rgba(227, 118, 39, 0.06);
  border-left: 3px solid var(--color-orange);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-3) var(--space-4);
  margin-top: var(--space-3);
}

.info-text {
  font-size: 0.85rem;
  color: var(--color-gray-600);
  line-height: 1.5;
  margin: 0;
}

/* Textarea */
.form-textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  font-size: 16px;
  font-family: var(--font-family);
  color: var(--color-gray-800);
  background-color: var(--color-white);
  resize: vertical;
  min-height: 80px;
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
  line-height: 1.5;
}

.form-textarea:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px rgba(227, 118, 39, 0.15);
}

/* Error message (shown dynamically) */
.error-message {
  color: var(--color-error);
  font-size: 0.8rem;
  margin-top: var(--space-1);
  display: block;
}


/* ============================================
   ASSUMPTIONS SECTION (Collapsible)
   ============================================ */

.assumptions-section {
  margin-top: var(--space-8);
  border-top: 1px solid var(--color-gray-200);
  padding-top: var(--space-4);
}

.assumptions-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: 0.925rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-600);
  padding: var(--space-2) 0;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  transition: color var(--transition-fast);
}

.assumptions-toggle:hover {
  color: var(--color-orange);
}

.assumptions-toggle .chevron {
  display: inline-block;
  width: 20px;
  height: 20px;
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.assumptions-toggle .chevron::before {
  content: '';
  display: block;
  width: 8px;
  height: 8px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg) translate(-2px, -2px);
  margin: 4px auto;
}

.assumptions-toggle[aria-expanded="true"] .chevron::before,
.assumptions-toggle.open .chevron::before {
  transform: rotate(45deg) translate(0, 0);
}

.assumptions-content {
  padding-top: var(--space-4);
}

.assumptions-content:not([hidden]) {
  display: block;
  animation: fadeIn 0.3s ease forwards;
}

.assumptions-title {
  font-size: 0.925rem;
  margin: 0;
}

.toggle-chevron {
  transition: transform var(--transition-normal);
  flex-shrink: 0;
}

.assumptions-toggle[aria-expanded="true"] .toggle-chevron {
  transform: rotate(180deg);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(-4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.assumption-item {
  display: grid;
  grid-template-columns: 1fr 1.5fr auto;
  gap: var(--space-3) var(--space-4);
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-gray-100);
}

.assumption-item:last-child {
  border-bottom: none;
}

.assumption-label {
  font-size: 0.875rem;
  color: var(--color-gray-700);
  font-weight: var(--font-weight-normal);
}

.assumption-value {
  font-size: 0.875rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-800);
  text-align: right;
  min-width: 60px;
}

.assumption-source {
  font-size: 0.75rem;
  font-style: italic;
  color: var(--color-gray-400);
  grid-column: 1 / -1;
  margin-top: calc(-1 * var(--space-2));
}


/* ============================================
   ADVANCED TOGGLE (inside Assumptions)
   ============================================ */

.advanced-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: var(--font-weight-semibold);
  color: var(--color-gray-500);
  padding: var(--space-3) 0 var(--space-2);
  background: none;
  border: none;
  text-align: left;
  transition: color var(--transition-fast);
}

.advanced-toggle:hover {
  color: var(--color-orange);
}

.advanced-toggle .chevron {
  display: inline-block;
  width: 16px;
  height: 16px;
  transition: transform var(--transition-normal);
}

.advanced-toggle .chevron::before {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(-45deg) translate(-1px, -1px);
  margin: 3px auto;
}

.advanced-toggle[aria-expanded="true"] .chevron::before,
.advanced-toggle.open .chevron::before {
  transform: rotate(45deg) translate(0, 0);
}

.advanced-assumptions {
  padding-left: var(--space-4);
  border-left: 2px solid var(--color-gray-200);
  margin-top: var(--space-2);
}

.advanced-assumptions:not([hidden]) {
  display: block;
  animation: fadeIn 0.3s ease forwards;
}