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

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

.wkcal-calculateur-form {
  padding: 30px 25px;
  padding-left: 15px !important;
  padding-right: 15px !important;
  background-color: #fff;
}

.wkcal-section {
  background-color: #f8f8f8;
  border: 1px solid #000;
  border-radius: 3px;
  padding: 25px;
  padding-left: 15px !important;
  padding-right: 15px !important;
  margin-bottom: 20px;
}

.wkcal-input-grid {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 20px;
}

.wkcal-2x2-grid {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 20px;
}

.wkcal-input-group { margin-bottom: 0; }

.wkcal-label {
  display: block;
  margin-bottom: 8px;
  color: #000;
  font-weight: 600;
  font-size: 14px;
}

.wkcal-input-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.wkcal-input-wrapper {
  display: flex;
  align-items: center;
  gap: 10px;
}

.wkcal-input-wrapper--full {
  width: 100%;
  flex: 1 1 auto;
}

.wkcal-input-wrapper--full .wkcal-select {
  width: 100% !important;
}

.wkcal-input {
  width: 140px;
  padding: 12px 15px;
  border: 2px solid #000;
  border-radius: 6px;
  font-size: 18px;
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
  text-align: center;
  background-color: #fff;
  color: #000;
  box-sizing: border-box;
}

.wkcal-input--fluid {
  width: 100%;
  min-width: 0;
  flex: 1 1 auto;
  max-width: 100%;
}

.wkcal-2x2-grid .wkcal-input-wrapper--full {
  width: 100%;
  max-width: 100%;
}

.wkcal-select {
  padding: 12px;
  border: 2px solid #000;
  border-radius: 6px;
  font-size: 16px;
  background-color: #fff;
  color: #000;
  font-family: 'Open Sans', sans-serif;
  font-weight: 600;
}

.wkcal-help {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.45;
  color: #555;
  font-style: italic;
}

.wkcal-tabs {
  display: grid !important;
  grid-template-columns: repeat(3, minmax(0, 1fr)) !important;
  gap: 8px;
  margin-bottom: 18px;
}

.wkcal-tab {
  padding: 12px 10px;
  border: 2px solid #000;
  border-radius: 6px;
  background: #fff;
  color: #000;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.2s ease;
  text-align: center;
  line-height: 1.25;
}

.wkcal-tab:hover {
  background: #f0f0f0;
}

.wkcal-tab--active {
  background: #000;
  color: #fff;
}

.wkcal-panel-tab {
  display: none;
}

.wkcal-panel-tab--active {
  display: block;
}

.wkcal-notice {
  padding: 12px 14px;
  background: #fff8e6;
  border: 1px solid #000;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.45;
  color: #333;
  margin-bottom: 16px;
}

.wkcal-method-toggle {
  margin-top: 10px;
  padding: 0;
  width: auto;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-family: 'Open Sans', sans-serif;
  font-weight: 300;
  font-size: 13px;
  color: #777;
  cursor: pointer;
  text-align: center;
  text-transform: lowercase;
}

.wkcal-method-toggle:hover {
  color: #000;
  text-decoration: underline;
  background-color: transparent;
}

.wkcal-method-panel {
  display: none;
  margin-top: 14px;
  padding: 14px 15px;
  padding-left: 15px !important;
  padding-right: 15px !important;
  background: #fff;
  border: 1px solid #000;
  border-radius: 6px;
  font-size: 13px;
  line-height: 1.55;
  color: #333;
}

.wkcal-method-panel.wkcal-method-panel--open {
  display: block;
}

.wkcal-method-panel code,
.wkcal-method-panel .wkcal-formula {
  display: block;
  margin: 8px 0;
  font-family: ui-monospace, monospace;
  font-size: 12px;
  background: #f0f0f0;
  padding: 8px 10px;
  border-radius: 4px;
  white-space: pre-wrap;
}

.wkcal-calculateur-button {
  width: 100%;
  padding: 14px 18px;
  background: #000;
  color: #fff;
  border: 2px solid #000;
  border-radius: 6px;
  font-size: 16px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.wkcal-calculateur-button:hover {
  background: #fff;
  color: #000;
}

.wkcal-calculateur-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.wkcal-disclaimer {
  margin-top: 15px;
  background-color: #f8f8f8;
  border-left: 4px solid #000;
  padding: 12px 15px;
  border-radius: 0px;
  padding-left: 15px !important;
  font-size: 13px;
  color: #333;
}

.wkcal-noscript-notice {
  padding: 12px 15px;
  padding-left: 15px !important;
  padding-right: 15px !important;
  background: #fff8e6;
  border-bottom: 2px solid #000;
  font-size: 13px;
  line-height: 1.45;
  color: #333;
}

.wkcal-progress-container {
  padding: 30px 25px;
  padding-left: 15px !important;
  padding-right: 15px !important;
  background-color: #fff;
}

.wkcal-progress-bar {
  width: 100%;
  height: 4px;
  background-color: #f8f8f8;
  border-radius: 2px;
  overflow: hidden;
}

.wkcal-progress-fill {
  height: 100%;
  background-color: #000;
  width: 0%;
  transition: width 2s linear;
  border-radius: 2px;
}

.wkcal-result-section {
  margin-top: 8px;
  padding: 0 25px 25px 25px;
  padding-left: 15px !important;
  padding-right: 15px !important;
  background: #fff;
}

.wkcal-result-box {
  border: 2px solid #000;
  border-radius: 6px;
  padding: 18px;
  padding-left: 15px !important;
  padding-right: 15px !important;
  margin-bottom: 18px;
  background: #f8f8f8;
}

.wkcal-result-label {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 12px;
  color: #000;
  margin-bottom: 10px;
}

.wkcal-result-value {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 22px;
  color: #000;
}

.wkcal-result-line {
  margin-top: 10px;
  color: #333;
  font-size: 14px;
  line-height: 1.5;
}

.wkcal-result-line--muted {
  margin-top: 8px;
  color: #555;
  font-size: 13px;
  line-height: 1.45;
}

.wkcal-table {
  width: 100%;
  border-collapse: collapse;
  background-color: #fff;
  border-radius: 6px;
  overflow: hidden;
}

.wkcal-table th {
  background-color: #000;
  color: #fff;
  padding: 12px 15px;
  text-align: center;
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 14px;
}

.wkcal-table td {
  padding: 10px 15px;
  text-align: center;
  border-bottom: 1px solid #e0e0e0;
  font-size: 14px;
}

.wkcal-table tr:nth-child(even) {
  background-color: #e8e9ed;
}

.wkcal-restart-button {
  width: 100%;
  margin-top: 18px;
  padding: 14px 18px;
  background: #fff;
  color: #000;
  border: 2px solid #000;
  border-radius: 6px;
  font-size: 16px;
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

.wkcal-restart-button:hover {
  background: #000;
  color: #fff;
}

@media (max-width: 640px) {
  .wkcal-calculateur-form { padding: 20px 15px; }
  .wkcal-result-section { padding: 0 15px 20px 15px; }
  .wkcal-section { padding: 18px; }
  .wkcal-input { width: 130px; }
  .wkcal-2x2-grid .wkcal-input.wkcal-input--fluid {
    width: 100% !important;
  }
  .wkcal-tabs {
    grid-template-columns: 1fr !important;
  }
}

@media (min-width: 720px) {
  .wkcal-2x2-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr)) !important;
    align-items: start;
  }
  .wkcal-2x2-grid .wkcal-input-row {
    flex-wrap: nowrap;
  }
  .wkcal-2x2-grid .wkcal-input.wkcal-input--fluid {
    width: 100% !important;
  }
}