/* =====================================================
   Fælles beregner intro
===================================================== */

.calculator-intro {
  text-align: center;
  margin-bottom: 2rem;
  color: #D7FFF0;
}

/* =====================================================
   Ohms lov layout med formelhjul
===================================================== */

.ohm-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
  align-items: stretch;
  max-width: 1100px;
  margin: 2rem auto;
}

/* =====================================================
   Fælles cards
===================================================== */

.calculator-card,
.ohm-wheel-card,
.calculator-result-card {
  background: #1E293B;
  border: 1px solid rgba(92, 225, 183, 0.22);
  border-radius: 18px;
  padding: 2rem;
  box-shadow: 0 18px 45px rgba(0,0,0,0.25);
}

.calculator-card h2,
.ohm-wheel-card h2,
.calculator-result-card h2 {
  color: #28C59D;
  text-align: center;
  margin-bottom: 0.8rem;
}

.calculator-card p {
  text-align: center;
  color: #D7FFF0;
  margin-bottom: 1.5rem;
}

/* =====================================================
   Fælles input grid
===================================================== */

.calculator-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem;
}

.calculator-grid label {
  color: #E9FFF8;
  font-weight: 700;
  font-size: 0.95rem;
}

.calculator-grid input,
.calculator-grid select {
  width: 100%;
  margin-top: 0.45rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  border: 1px solid rgba(92, 225, 183, 0.35);
  background: #0F172A;
  color: #E9FFF8;
  outline: none;
  font-size: 1rem;
}

.calculator-grid input:focus,
.calculator-grid select:focus {
  border-color: #28C59D;
  box-shadow: 0 0 0 3px rgba(40, 197, 157, 0.15);
}

/* =====================================================
   Fælles knapper
===================================================== */

.calculator-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.calculator-buttons button {
  background: #28C59D;
  color: #0F172A;
  border: none;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  font-weight: 800;
  cursor: pointer;
}

.calculator-buttons button:hover {
  background: #5CE1B7;
}

.calculator-buttons button.secondary,
.secondary {
  background: transparent !important;
  color: #E9FFF8 !important;
  border: 1px solid rgba(92, 225, 183, 0.45) !important;
}

/* =====================================================
   Formelhjul
===================================================== */

.ohm-wheel-card {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ohm-wheel-card img {
  width: 100%;
  max-width: 360px;
  margin: 1rem auto 0;
  display: block;
  border-radius: 16px;
}

/* =====================================================
   Resultat-card under beregneren
===================================================== */

.calculator-result-card {
  max-width: 1100px;
  margin: 2rem auto 0;
}

.calculator-result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 1rem;
}

.result-box {
  background: #0F172A;
  border-left: 4px solid #28C59D;
  border-radius: 14px;
  padding: 1.2rem;
}

.result-box h4 {
  color: #28C59D;
  margin: 0 0 0.5rem;
}

.result-box span {
  color: #E9FFF8;
  font-size: 1.35rem;
  font-weight: 800;
}

.result-box small {
  display: block;
  color: #A4DCCB;
  margin-top: 0.45rem;
}

.result-empty {
  grid-column: 1 / -1;
  text-align: center;
  color: #A4DCCB;
  background: #0F172A;
  border-radius: 14px;
  padding: 1.2rem;
}

/* =====================================================
   Formelvisning
===================================================== */

.formula-preview {
  display: none;
  margin-top: 1.5rem;
  background: #0F172A;
  color: #E9FFF8;
  border-radius: 14px;
  padding: 1.5rem;
  white-space: pre-wrap;
  font-family: Consolas, monospace;
  border: 1px solid rgba(92, 225, 183, 0.22);
}

/* =====================================================
   Mobil
===================================================== */

@media (max-width: 900px) {
  .ohm-layout {
    grid-template-columns: 1fr;
  }

  .calculator-grid {
    grid-template-columns: 1fr;
  }
}
/* =====================================================
   Store beregnere
===================================================== */

.calculator-section {
    margin-top: 2rem;
}

.calculator-section h3 {
    color: #28C59D;
    margin-bottom: 1rem;
}

.calculator-divider {
    height: 1px;
    background: rgba(92,225,183,.15);
    margin: 2rem 0;
}

.calculator-warning {
    background: rgba(255,193,7,.12);
    border-left: 4px solid #FFC107;
    border-radius: 14px;
    padding: 1rem;
    color: #FFE8A3;
    margin-bottom: 2rem;
}

.calculator-success {
    background: rgba(40,197,157,.12);
    border-left: 4px solid #28C59D;
    border-radius: 14px;
    padding: 1rem;
    margin-top: 2rem;
}

.calculator-step {
    background: #0F172A;
    border: 1px solid rgba(92,225,183,.2);
    border-radius: 14px;
    padding: 1rem;
    margin-bottom: 1rem;
}
/*____________________________*/

.calc-page {
  max-width: 1200px;
}

.calc-intro {
  text-align: center;
  color: #D7FFF0;
  margin-bottom: 2rem;
}

.calc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.calc-card {
  background: #1E293B;
  border: 1px solid rgba(92, 225, 183, 0.25);
  border-radius: 18px;
  padding: 1.5rem;
  color: #E9FFF8;
  box-shadow: 0 15px 35px rgba(0,0,0,0.25);
}

.calc-card h2 {
  color: #28C59D;
  margin-bottom: 1rem;
  text-align: center;
}

.calc-card label {
  display: block;
  margin-top: 0.9rem;
  margin-bottom: 0.3rem;
  color: #D7FFF0;
}

.calc-card input,
.calc-card select {
  width: 100%;
  padding: 0.75rem;
  border-radius: 10px;
  border: 1px solid rgba(92,225,183,0.35);
  background: #0F172A;
  color: #E9FFF8;
}

.calc-card button {
  width: 100%;
  margin-top: 1.3rem;
  padding: 0.9rem;
  border: none;
  border-radius: 12px;
  background: #28C59D;
  color: #0F172A;
  font-weight: 700;
  cursor: pointer;
}

.calc-card button:hover {
  background: #5CE1B7;
}

.calc-result-card p {
  background: #0F172A;
  padding: 0.8rem;
  border-radius: 10px;
  margin-bottom: 0.7rem;
}

.calc-note {
  margin-top: 1rem;
  padding: 1rem;
  background: rgba(40,197,157,0.12);
  border-radius: 12px;
  color: #D7FFF0;
  line-height: 1.6;
}

@media (max-width: 900px) {
  .calc-grid {
    grid-template-columns: 1fr;
  }
}


.calculator-switch-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  background: #0F172A;
  border: 1px solid rgba(92, 225, 183, 0.22);
  border-radius: 14px;
  padding: 1.2rem;
  color: #E9FFF8;
}

.calculator-switch-row small {
  display: block;
  color: #A4DCCB;
  margin-top: 0.35rem;
}

.switch {
  position: relative;
  display: inline-block;
  width: 58px;
  min-width: 58px;
  height: 32px;
}

.switch input {
  display: none;
}

.slider {
  position: absolute;
  inset: 0;
  background: #3A465B;
  border-radius: 999px;
  cursor: pointer;
  transition: 0.25s;
}

.slider::before {
  content: "";
  position: absolute;
  width: 24px;
  height: 24px;
  left: 4px;
  top: 4px;
  background: #E9FFF8;
  border-radius: 50%;
  transition: 0.25s;
}

.switch input:checked + .slider {
  background: #28C59D;
}

.switch input:checked + .slider::before {
  transform: translateX(26px);
}

@media (max-width: 600px) {
  .calculator-switch-row {
    align-items: flex-start;
  }
}