@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@600;700&family=Open+Sans:wght@400;600&display=swap');

.st-calc-container {
  margin: 20px auto;
  max-width: 900px;
  padding: 0;
  color: #000;
  border-radius: 6px;
  overflow: hidden;
  background-color: #fff;
  font-family: 'Open Sans', sans-serif;
}

.st-calc-container.st-calc-mode-simple .st-calc-advanced-only {
  display: none !important;
}

.st-calc-container.st-calc-mode-advanced .st-calc-advanced-only {
  display: block !important;
}

.st-calc-intro {
  padding: 16px 25px;
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  background: #f0f7fc;
  border-bottom: 1px solid #000;
}

.st-calc-form {
  padding: 30px 25px;
  padding-left: 25px !important;
  padding-right: 25px !important;
  background-color: #fff;
}

.st-calc-mode-row {
  margin-bottom: 24px;
  text-align: center;
}

.st-calc-mode-row > .st-calc-label {
  text-align: center !important;
  margin-bottom: 12px;
  font-size: 15px;
  color: #000;
}

.st-calc-toggle-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 8px;
}

.st-calc-mode-btn {
  padding: 10px 14px;
  border: 2px solid #000;
  color: #000;
  border-radius: 6px;
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.st-calc-mode-btn:hover {
  background: #eee;
}

.st-calc-mode-btn.active {
  background: #000;
  color: #fff !important;
}

.st-calc-choice-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  align-items: center;
}

.st-calc-choice-group--wrap {
  justify-content: center;
}

.st-calc-choice-btn {
  padding: 10px 14px;
  border: 2px solid #000;
  color: #000;
  border-radius: 6px;
  background: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  transition: all 0.2s ease;
}

.st-calc-choice-btn:hover {
  background: #eee;
}

.st-calc-choice-btn.active {
  background: #000;
  color: #fff !important;
}

.st-calc-container .st-calc-section {
  padding: 25px 25px !important;
  padding-left: 25px !important;
  padding-right: 25px !important;
  background-color: #f8f8f8;
  border: 1px solid #000;
  border-radius: 3px;
  margin-bottom: 25px;
  box-sizing: border-box;
}

.st-calc-section-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  margin: 0 0 20px;
  text-align: center !important;
  font-weight: 600;
}

.st-calc-input-group {
  margin-bottom: 20px;
}

.st-calc-input-group:last-child {
  margin-bottom: 0;
}

.st-calc-section .st-calc-label {
  display: block;
  margin-bottom: 10px;
  font-weight: 600;
  font-size: 15px;
  text-align: center !important;
  color: #000;
}

.st-calc-input-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 4px;
}

.st-calc-row-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 0;
}

.st-calc-row-2 .st-calc-input-group {
  margin-bottom: 0;
}

@media (max-width: 600px) {
  .st-calc-row-2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .st-calc-form {
    padding-left: 15px !important;
    padding-right: 15px !important;
  }

  .st-calc-toggle-group {
    flex-direction: column;
  }

  .st-calc-mode-btn {
    width: 100%;
  }

  .st-calc-choice-group {
    flex-direction: column;
  }

  .st-calc-choice-btn {
    width: 100%;
  }
}

.st-calc-grow {
  min-width: 0;
}

.st-calc-input {
  padding: 12px 15px;
  border: 2px solid #000;
  border-radius: 6px;
  font-size: 18px;
  font-weight: 600;
  text-align: center;
  font-family: 'Open Sans', sans-serif;
  box-sizing: border-box;
}

.st-calc-input.st-calc-time {
  width: 75px;
}

.st-calc-input:focus {
  outline: none;
  border-color: #000;
  box-shadow: 0 0 0 2px rgba(78, 157, 216, 0.2);
}

.st-calc-input-wide {
  width: 100%;
  max-width: 320px;
  box-sizing: border-box;
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.st-calc-select {
  width: 100%;
  max-width: 320px;
  padding: 10px 14px;
  border: 2px solid #000;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  font-family: 'Open Sans', sans-serif;
  background: #fff;
  display: block;
  margin-left: auto;
  margin-right: auto;
  box-sizing: border-box;
}

.st-calc-sep {
  font-weight: 700;
  color: #000;
  font-size: 14px;
}

.st-calc-help {
  font-size: 12px;
  color: #555;
  text-align: center !important;
  margin: 8px 0 0;
  font-style: italic;
}

.st-calc-button {
  background-color: #000;
  border: 1px solid #000;
  color: #fff !important;
  border-radius: 6px;
  padding: 16px 32px;
  font-size: 16px;
  font-weight: 700;
  cursor: pointer;
  display: block;
  width: 100%;
  max-width: 360px;
  margin: 8px auto 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-family: 'Montserrat', sans-serif;
}

.st-calc-button:hover {
  background-color: #fff;
  color: #000 !important;
  border: 1px solid #000;
}

.st-calc-button-secondary {
  background-color: #fff !important;
  color: #000 !important;
  border: 2px solid #000 !important;
  margin-top: 0;
}

.st-calc-button-secondary:hover {
  background-color: #000 !important;
  color: #fff !important;
}

.st-calc-result-actions {
  padding: 0 20px 24px !important;
  text-align: center;
}

.st-calc-progress-container {
  padding: 30px 25px;
  padding-left: 25px !important;
  padding-right: 25px !important;
  background-color: #fff;
}

.st-calc-progress-bar {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  height: 4px;
  background-color: #f8f8f8;
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.st-calc-progress-fill {
  height: 100%;
  background-color: #000;
  width: 0%;
  border-radius: 2px;
}

.st-calc-result-section {
  padding: 0 !important;
  border-top: 2px solid #eee;
  background-color: #fff;
}

.st-calc-result-main {
  text-align: center;
  margin: 0 0 24px;
  padding: 24px 20px !important;
  padding-left: 20px !important;
  padding-right: 20px !important;
  background: #f8f8f8;
  border: 1px solid #000;
  border-radius: 6px;
}

.st-calc-badge {
  display: inline-block;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #555;
  margin-bottom: 14px;
  padding: 8px 22px !important;
  border: 1px solid #999;
  border-radius: 20px;
}

.st-calc-result-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 11px !important;
  line-height: 1.35 !important;
  font-weight: 600 !important;
  margin: 0 0 14px !important;
  padding: 0 !important;
  text-align: center !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #777 !important;
}

.st-calc-result-range {
  font-size: clamp(18px, 4.2vw, 26px) !important;
  font-weight: 700 !important;
  line-height: 1.35 !important;
  margin: 0 0 14px !important;
  padding: 0 !important;
  text-align: center !important;
  color: #000 !important;
}

.st-calc-range-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 10px;
}

.st-calc-range-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
}

.st-calc-range-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid #d9d9d9;
  border-radius: 6px;
  background: #fff;
  padding: 10px 12px;
}

.st-calc-range-k {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #666;
}

.st-calc-range-v {
  font-size: clamp(16px, 3.5vw, 22px);
  font-weight: 700;
  color: #000;
}

.st-calc-range-p {
  display: inline-block;
  margin-left: 10px;
  font-size: clamp(12px, 2.3vw, 15px);
  font-weight: 600;
  color: #666;
}

.st-calc-result-pace {
  font-size: clamp(16px, 3.5vw, 22px) !important;
  font-weight: 600 !important;
  line-height: 1.4 !important;
  margin: 0 !important;
  padding: 0 !important;
  text-align: center !important;
  color: #111 !important;
}

.st-calc-pace-label {
  display: block;
  font-size: 12px;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 6px;
}

.st-calc-pace-value {
  display: inline-block;
  font-size: clamp(22px, 5vw, 30px);
  line-height: 1.2;
  font-weight: 700;
  color: #000;
  padding: 6px 12px;
  border-radius: 6px;
  background: #fff;
  border: 1px solid #d9d9d9;
}

.st-calc-result-target {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.6;
  text-align: center !important;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
  color: #333;
}

.st-calc-factors {
  background: #f8f8f8;
  border: 1px solid #000;
  border-radius: 6px;
  padding: 20px 22px !important;
  margin: 0 0px 16px;
  font-size: 14px;
  line-height: 1.6;
  box-sizing: border-box;
  display: block !important;
  color: #111 !important;
  min-height: 56px;
}

.st-calc-container .st-calc-section > *:first-child {
  margin-top: 0 !important;
}

.st-calc-container .st-calc-section > *:last-child {
  margin-bottom: 0 !important;
}

.st-calc-factors-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 16px;
  margin: 0 0 12px;
  font-weight: 600;
}

.st-calc-factors-list {
  margin: 0 0 12px;
  padding-left: 1.25em;
}

.st-calc-factors-list li {
  margin-bottom: 10px;
}

.st-calc-confidence-note {
  margin: 0;
  font-size: 13px;
}

.st-calc-disclaimer {
  font-size: 12px;
  color: #333;
  line-height: 1.55;
  margin: 0;
  padding: 0 20px 24px !important;
}

.st-calc-warning {
  margin: 16px 0;
  padding: 14px 20px !important;
  padding-left: 20px !important;
  padding-right: 20px !important;
  background: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 6px;
  font-size: 14px;
  color: #856404;
}

.st-calc-row-2 .st-calc-select,
.st-calc-row-2 .st-calc-input {
  max-width: 100%;
}

/* Humidité et vent : toujours en blocs distincts, jamais côte à côte */
.st-calc-wind-block {
  margin-top: 28px !important;
  padding-top: 24px !important;
  border-top: 1px solid #ccc;
  clear: both;
  width: 100%;
  box-sizing: border-box;
}

.st-calc-wind-block .st-calc-choice-group {
  width: 100%;
  justify-content: center;
}