/**
 * Kalkulator Pajak Kendaraan Bermotor (PKB) CSS
 * Version: 1.0.0
 */

:root {
  --wp-pkb-gradient-start: #0B6F63;
  --wp-pkb-gradient-end: #32DCF0;
  --wp-pkb-border-color: #DDE2E5;
  --wp-pkb-border-focus: #0B6F63;
  --wp-pkb-bg-card: #FFFFFF;
  --wp-pkb-bg-readonly: #F4F6F8;
  --wp-pkb-text-main: #2D3748;
  --wp-pkb-text-muted: #718096;
  --wp-pkb-danger: #E53E3E;
}

.wp-pkb-calculator-wrapper {
  width: 100%;
  max-width: 960px;
  margin: 20px auto;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--wp-pkb-text-main);
  line-height: 1.5;
  box-sizing: border-box;
}

.wp-pkb-calculator-wrapper * {
  box-sizing: border-box;
}

.wp-pkb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .wp-pkb-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.wp-pkb-card {
  background: var(--wp-pkb-bg-card);
  border: 1px solid var(--wp-pkb-border-color);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.wp-pkb-form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.wp-pkb-form-group.inline-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.wp-pkb-label {
  font-size: 14px;
  font-weight: 600;
  color: #2D3748;
  display: block;
}

.wp-pkb-label span.req {
  color: var(--wp-pkb-danger);
  margin-left: 2px;
}

.wp-pkb-input,
.wp-pkb-select {
  width: 100%;
  height: 44px;
  padding: 8px 14px;
  font-size: 14px;
  font-family: inherit;
  color: #2D3748;
  background-color: #FFFFFF;
  border: 1px solid var(--wp-pkb-border-color);
  border-radius: 10px;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.wp-pkb-select {
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%3C718096' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  white-space: nowrap;
  text-overflow: ellipsis;
  overflow: hidden;
}

.wp-pkb-input:focus,
.wp-pkb-select:focus {
  border-color: var(--wp-pkb-border-focus);
  box-shadow: 0 0 0 3px rgba(11, 111, 99, 0.15);
}

.wp-pkb-input[readonly] {
  background-color: var(--wp-pkb-bg-readonly);
  color: #4A5568;
  cursor: default;
}

.wp-pkb-input.text-right {
  text-align: right;
}

.wp-pkb-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 12px;
}

.wp-pkb-btn {
  height: 42px;
  padding: 0 22px;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: all 0.2s ease;
  font-family: inherit;
  text-decoration: none;
}

.wp-pkb-btn-reset {
  background: #FFFFFF;
  border: 1px solid #CBD5E0;
  color: #4A5568;
}

.wp-pkb-btn-reset:hover {
  background: #F7FAFC;
  border-color: #A0AEC0;
}

.wp-pkb-btn-submit {
  background: linear-gradient(90deg, var(--wp-pkb-gradient-start) 0%, var(--wp-pkb-gradient-end) 100%);
  border: none;
  color: #FFFFFF !important;
  box-shadow: 0 4px 10px rgba(11, 111, 99, 0.2);
}

.wp-pkb-btn-submit:hover {
  opacity: 0.94;
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(11, 111, 99, 0.3);
}

.wp-pkb-btn-submit svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.wp-pkb-badge {
  font-size: 12px;
  color: var(--wp-pkb-text-muted);
  margin-top: 2px;
}