/* ==========================================================================
   Marble / Flooring Calculator — Styles
   Mobile-first, no framework dependency, scoped to .mc-calculator
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (easy theming)
   -------------------------------------------------------------------------- */
:root {
  --mc-primary:       #2c6e49;
  --mc-primary-dark:  #1e4d35;
  --mc-primary-light: #d8f0e4;
  --mc-border:        #dde3e9;
  --mc-border-radius: 8px;
  --mc-bg:            #f8fafb;
  --mc-white:         #ffffff;
  --mc-text:          #1a1a2e;
  --mc-text-muted:    #6c757d;
  --mc-error:         #dc3545;
  --mc-error-bg:      #fff5f5;
  --mc-summary-bg:    #f0f7f3;
  --mc-tab-bg:        #eef2f5;
  --mc-shadow:        0 2px 8px rgba(0, 0, 0, 0.08);
  --mc-font-size:     15px;
  --mc-spacing:       16px;
}

/* --------------------------------------------------------------------------
   Container
   -------------------------------------------------------------------------- */
.mc-calculator {
  background: var(--mc-bg);
  border: 1px solid var(--mc-border);
  border-radius: var(--mc-border-radius);
  padding: var(--mc-spacing);
  margin: var(--mc-spacing) 0 24px;
  font-size: var(--mc-font-size);
  color: var(--mc-text);
  box-shadow: var(--mc-shadow);
  max-width: 520px;
}

/* --------------------------------------------------------------------------
   Title
   -------------------------------------------------------------------------- */
.mc-title {
  font-size: 1.1em;
  font-weight: 600;
  color: var(--mc-primary-dark);
  margin: 0 0 14px;
  padding: 0;
  border: none;
}

/* --------------------------------------------------------------------------
   Mode Tabs
   -------------------------------------------------------------------------- */
.mc-mode-tabs {
  display: flex;
  background: var(--mc-tab-bg);
  border-radius: 6px;
  padding: 3px;
  margin-bottom: 18px;
  gap: 2px;
}

.mc-tab {
  flex: 1;
  background: transparent;
  border: none;
  border-radius: 5px;
  padding: 8px 12px;
  font-size: 0.9em;
  font-weight: 500;
  color: var(--mc-text-muted);
  cursor: pointer;
  transition: background 0.18s, color 0.18s;
  text-align: center;
}

.mc-tab:hover {
  color: var(--mc-primary);
}

.mc-tab--active {
  background: var(--mc-white);
  color: var(--mc-primary-dark);
  box-shadow: 0 1px 4px rgba(0,0,0,0.12);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   Panels
   -------------------------------------------------------------------------- */
.mc-panel {
  display: none;
}

.mc-panel--active {
  display: block;
}

/* --------------------------------------------------------------------------
   Rows
   -------------------------------------------------------------------------- */
.mc-row {
  display: flex;
  flex-direction: column;
  margin-bottom: 14px;
}

.mc-row__label {
  font-size: 0.85em;
  font-weight: 500;
  color: var(--mc-text-muted);
  margin-bottom: 5px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.mc-row--unit-selector {
  flex-direction: row;
  align-items: center;
  gap: 12px;
}

.mc-row--unit-selector .mc-row__label {
  margin: 0;
  white-space: nowrap;
}

.mc-row--waste {
  flex-direction: column;
}

/* --------------------------------------------------------------------------
   Input group
   -------------------------------------------------------------------------- */
.mc-input-group {
  display: flex;
  align-items: center;
  background: var(--mc-white);
  border: 1px solid var(--mc-border);
  border-radius: 6px;
  overflow: hidden;
  transition: border-color 0.15s;
}

.mc-input-group:focus-within {
  border-color: var(--mc-primary);
  box-shadow: 0 0 0 3px rgba(44, 110, 73, 0.15);
}

.mc-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  padding: 10px 12px;
  font-size: var(--mc-font-size);
  color: var(--mc-text);
  width: 100%;
  /* Remove browser number arrows for cleaner look */
  -moz-appearance: textfield;
}

.mc-input::-webkit-outer-spin-button,
.mc-input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}

.mc-input--error {
  /* parent .mc-input-group gets error border */
}

.mc-input-group:has(.mc-input--error) {
  border-color: var(--mc-error);
}

.mc-input-group__suffix {
  padding: 10px 12px;
  background: var(--mc-tab-bg);
  color: var(--mc-text-muted);
  font-size: 0.875em;
  font-weight: 500;
  border-left: 1px solid var(--mc-border);
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Error messages
   -------------------------------------------------------------------------- */
.mc-error {
  display: block;
  font-size: 0.82em;
  color: var(--mc-error);
  margin-top: 4px;
  min-height: 1em;
}

.mc-error--global {
  background: var(--mc-error-bg);
  border: 1px solid var(--mc-error);
  border-radius: 5px;
  padding: 8px 12px;
  margin-bottom: 12px;
  font-size: 0.9em;
}

/* --------------------------------------------------------------------------
   Unit toggle (m / cm)
   -------------------------------------------------------------------------- */
.mc-unit-toggle {
  display: flex;
  background: var(--mc-tab-bg);
  border-radius: 5px;
  padding: 2px;
  gap: 2px;
}

.mc-unit-toggle__option {
  cursor: pointer;
}

.mc-unit-toggle__option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.mc-unit-toggle__option span {
  display: block;
  padding: 5px 14px;
  border-radius: 4px;
  font-size: 0.875em;
  font-weight: 500;
  color: var(--mc-text-muted);
  transition: background 0.15s, color 0.15s;
  user-select: none;
}

.mc-unit-toggle__option input[type="radio"]:checked + span {
  background: var(--mc-white);
  color: var(--mc-primary-dark);
  box-shadow: 0 1px 3px rgba(0,0,0,0.12);
}

/* --------------------------------------------------------------------------
   Waste options
   -------------------------------------------------------------------------- */
.mc-waste-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.mc-waste-option {
  cursor: pointer;
}

.mc-waste-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.mc-waste-option span {
  display: block;
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--mc-border);
  background: var(--mc-white);
  font-size: 0.875em;
  font-weight: 500;
  color: var(--mc-text-muted);
  transition: all 0.15s;
  user-select: none;
}

.mc-waste-option input[type="radio"]:checked + span {
  background: var(--mc-primary);
  border-color: var(--mc-primary);
  color: var(--mc-white);
}

.mc-waste-option:hover span {
  border-color: var(--mc-primary);
  color: var(--mc-primary);
}

/* --------------------------------------------------------------------------
   Summary
   -------------------------------------------------------------------------- */
.mc-summary {
  background: var(--mc-summary-bg);
  border: 1px solid #c3e0d0;
  border-radius: 6px;
  padding: 12px 14px;
  margin-top: 16px;
}

.mc-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 3px 0;
  font-size: 0.9em;
}

.mc-summary__label {
  color: var(--mc-text-muted);
}

.mc-summary__value {
  font-weight: 600;
  color: var(--mc-text);
}

.mc-summary__row--highlight {
  border-top: 1px solid #c3e0d0;
  margin-top: 6px;
  padding-top: 8px;
}

.mc-summary__value--large {
  font-size: 1.25em;
  color: var(--mc-primary-dark);
}

/* --------------------------------------------------------------------------
   Responsive: wider screens — two columns for room inputs
   -------------------------------------------------------------------------- */
@media (min-width: 480px) {
  #mc-panel-room .mc-row:not(.mc-row--unit-selector) {
    flex-direction: row;
    align-items: center;
    gap: 12px;
  }

  #mc-panel-room .mc-row__label {
    width: 70px;
    flex-shrink: 0;
    margin-bottom: 0;
  }

  #mc-panel-room .mc-input-group {
    flex: 1;
  }
}

/* --------------------------------------------------------------------------
   Compatibility: hide WC native quantity when calculator is active.
   (Also done inline in PHP — belt and braces.)
   -------------------------------------------------------------------------- */
body.woocommerce:has(#mc-calculator) form.cart .quantity {
  display: none !important;
}

/* ==========================================================================
   Admin styles
   ========================================================================== */
.mc-variation-fields {
  padding: 12px;
  background: #f8f9fa;
  border-top: 1px solid #e2e2e2;
  margin-top: 8px;
}

.mc-variation-fields h4 {
  color: #555;
  font-size: 13px;
  margin: 0 0 8px;
}

.mc-variation-fields select,
.mc-variation-fields input[type="number"] {
  width: 100%;
  max-width: 200px;
}