/* ============================================
   FINVERRA CAPITAL — EMI Calculator Page
   ============================================ */

/* ---- Calculator Section ---- */
.emi-section {
  padding: var(--space-3xl) 0;
  background: var(--off-white);
}

.emi-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: stretch;
}

/* ---- Input Card ---- */
.emi-input-card {
  background: var(--white);
  border-radius: 20px;
  padding: var(--space-2xl);
  box-shadow: 0 10px 40px rgba(11, 37, 69, 0.08);
  border: 1px solid var(--light-gray);
  transition: box-shadow var(--transition-base);
  display: flex;
  flex-direction: column;
}

.emi-input-card:hover {
  box-shadow: 0 15px 50px rgba(11, 37, 69, 0.12);
}

.emi-input-card h2 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-xs);
}

.emi-input-card > p {
  color: var(--mid-gray);
  margin-bottom: var(--space-xl);
}

/* ---- Slider Groups ---- */
.emi-slider-group {
  margin-bottom: var(--space-xl);
}

.emi-slider-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-sm);
}

.emi-slider-label > span:first-child {
  font-weight: var(--fw-semibold);
  color: var(--primary);
  font-size: var(--fs-body);
}

.emi-slider-value {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #FFFFFF;
  font-family: var(--font-primary);
  font-weight: var(--fw-bold);
  font-size: 0.95rem;
  padding: 8px 18px;
  border-radius: 30px;
  min-width: 120px;
  justify-content: center;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.emi-slider-range {
  display: flex;
  justify-content: space-between;
  font-size: var(--fs-xs);
  color: var(--mid-gray);
  margin-top: var(--space-xs);
}

/* ---- Custom Range Slider ---- */
.emi-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--light-gray);
  outline: none;
  cursor: pointer;
  transition: background 0.2s;
}

.emi-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid var(--white);
  box-shadow: 0 2px 10px rgba(212, 168, 67, 0.4);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.emi-range::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 20px rgba(212, 168, 67, 0.6);
}

.emi-range::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid var(--white);
  box-shadow: 0 2px 10px rgba(212, 168, 67, 0.4);
  cursor: pointer;
}

/* ---- Calculate Button ---- */
.emi-calculate-btn {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  font-weight: var(--fw-bold);
  color: var(--white);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px;
  margin-top: var(--space-lg);
}

.emi-calculate-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.emi-calculate-btn:hover::before {
  transform: translateX(100%);
}

.emi-calculate-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(212, 168, 67, 0.4);
}

/* ---- Output Card ---- */
.emi-output-card {
  background: var(--white);
  border-radius: 20px;
  padding: var(--space-2xl);
  box-shadow: 0 10px 40px rgba(11, 37, 69, 0.08);
  border: 1px solid var(--light-gray);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.emi-output-card h2 {
  font-size: var(--fs-h3);
  margin-bottom: var(--space-xl);
  text-align: center;
}

/* ---- Donut Chart ---- */
.emi-chart-container {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-md);
  position: relative;
}

.emi-chart-container svg {
  width: 280px;
  height: 280px;
  transform: rotate(-90deg);
}

.emi-chart-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
}

.emi-chart-center .emi-big-value {
  font-family: var(--font-primary);
  font-size: 1.5rem;
  font-weight: var(--fw-bold);
  color: var(--primary);
  display: block;
  line-height: 1.2;
  letter-spacing: -0.5px;
}

.emi-chart-center .emi-big-label {
  font-size: var(--fs-xs);
  color: var(--mid-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Result Grid ---- */
.emi-results-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.emi-result-item {
  background: var(--off-white);
  border-radius: 14px;
  padding: var(--space-lg);
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
  border: 1px solid transparent;
}

.emi-result-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(11, 37, 69, 0.08);
  border-color: var(--accent);
}

.emi-result-item.highlight {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: var(--white);
  grid-column: 1 / -1;
}

.emi-result-item.highlight .emi-result-label {
  color: rgba(255,255,255,0.7);
}

.emi-result-item.highlight .emi-result-value {
  color: var(--accent-light);
}

.emi-result-icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-sm);
  font-size: 1.1rem;
  background: rgba(212, 168, 67, 0.12);
  color: var(--accent-dark);
}

.emi-result-item.highlight .emi-result-icon {
  background: rgba(255,255,255,0.15);
  color: var(--accent-light);
}

.emi-result-label {
  font-size: var(--fs-small);
  color: var(--mid-gray);
  margin-bottom: 4px;
  display: block;
}

.emi-result-value {
  font-family: var(--font-primary);
  font-size: 1.35rem;
  font-weight: var(--fw-bold);
  color: var(--primary);
  display: block;
  letter-spacing: -0.3px;
}

/* ---- Legend ---- */
.emi-legend {
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.emi-legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--fs-small);
  color: var(--dark-gray);
}

.emi-legend-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.emi-legend-label {
  font-size: var(--fs-xs);
  color: var(--mid-gray);
  text-transform: none;
}

.emi-legend-value {
  font-size: 0.9rem;
  font-weight: var(--fw-bold);
  color: var(--primary);
}

.emi-legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 3px;
}

.emi-legend-dot.principal {
  background: var(--primary);
}

.emi-legend-dot.interest {
  background: var(--accent);
}

/* ---- Initial placeholder state ---- */
.emi-placeholder {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--mid-gray);
}

.emi-placeholder i {
  font-size: 3.5rem;
  color: var(--light-gray);
  margin-bottom: var(--space-md);
  display: block;
}

.emi-placeholder p {
  font-size: var(--fs-body);
}

/* ---- How EMI Works Section ---- */
.emi-info-section {
  padding: var(--space-3xl) 0;
  background: var(--white);
}

.emi-info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-top: var(--space-2xl);
}

.emi-info-card {
  text-align: center;
  padding: var(--space-xl);
  border-radius: 16px;
  background: var(--off-white);
  border: 1px solid var(--light-gray);
  transition: transform 0.4s, box-shadow 0.4s;
}

.emi-info-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 35px rgba(11, 37, 69, 0.1);
}

.emi-info-card .info-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
  color: var(--white);
  font-size: 1.5rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.emi-info-card h3 {
  font-size: var(--fs-h4);
  margin-bottom: var(--space-sm);
}

.emi-info-card p {
  color: var(--mid-gray);
  font-size: var(--fs-small);
  line-height: var(--lh-relaxed);
}

/* ---- Formula Section ---- */
.emi-formula-box {
  margin-top: var(--space-2xl);
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 20px;
  padding: var(--space-2xl);
  text-align: center;
  color: var(--white);
}

.emi-formula-box h3 {
  color: var(--white);
  margin-bottom: var(--space-md);
}

.emi-formula-display {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1.3rem;
  background: rgba(255,255,255,0.1);
  padding: var(--space-lg) var(--space-xl);
  border-radius: 12px;
  display: inline-block;
  letter-spacing: 1px;
  margin-bottom: var(--space-md);
  backdrop-filter: blur(10px);
}

.emi-formula-box p {
  color: rgba(255,255,255,0.7);
  font-size: var(--fs-small);
  max-width: 500px;
  margin: 0 auto;
  line-height: var(--lh-relaxed);
}

/* ---- Animations ---- */
@keyframes emiPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

.emi-result-item.just-updated {
  animation: emiPulse 0.5s ease;
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .emi-wrapper {
    grid-template-columns: 1fr;
  }
  .emi-output-card {
    position: static;
  }
}

@media (max-width: 768px) {
  .emi-info-grid {
    grid-template-columns: 1fr;
  }
  .emi-results-grid {
    grid-template-columns: 1fr;
  }
  .emi-result-item.highlight {
    grid-column: auto;
  }
  .emi-formula-display {
    font-size: 1rem;
    padding: var(--space-md);
  }
}