* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: #f5f7f6;
  color: #1f2933;
}

/* NAV */
.nav {
  background: #ffffff;
  padding: 14px 16px;
  border-bottom: 1px solid #e5e7eb;
}

.logo {
  font-weight: 600;
  font-size: 16px;
}

/* LAYOUT */
.wrapper {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
  padding: 24px;
  max-width: 1100px;
  margin: auto;
}

/* LEFT PANEL */
.panel h1 {
  margin: 0;
  font-size: 20px;
}

.sub {
  color: #6b7280;
  margin-bottom: 16px;
  font-size: 13px;
}

.group {
  background: #ffffff;
  border: 1px solid #e6e8eb;
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
}

.group h3 {
  margin: 0 0 10px;
  font-size: 13px;
  color: #374151;
}

.field {
  margin-bottom: 10px;
}

.field label {
  display: block;
  font-size: 12px;
  margin-bottom: 4px;
  color: #6b7280;
}

input {
  width: 100%;
  padding: 10px;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 14px;
}

input:focus {
  outline: none;
  border-color: #6b9f8d;
}

.inline {
  display: flex;
  gap: 10px;
}

.hint {
  font-size: 12px;
  color: #6b9f8d;
  margin-top: 6px;
}

/* RIGHT PANEL */
.summary {
  position: sticky;
  top: 20px;
  height: fit-content;
}

.price-card {
  background: #e7f3ee;
  border-radius: 12px;
  padding: 18px;
  text-align: center;
}

.price-card .label {
  font-size: 12px;
  color: #4b5563;
}

.price-card h2 {
  margin: 8px 0 0;
  font-size: 28px;
}

.breakdown {
  background: #ffffff;
  margin-top: 14px;
  padding: 14px;
  border-radius: 10px;
  border: 1px solid #e6e8eb;
}

.breakdown h3 {
  margin-top: 0;
  font-size: 13px;
}

.row {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  margin: 6px 0;
}

.divider {
  height: 1px;
  background: #e5e7eb;
  margin: 10px 0;
}

.total {
  font-weight: 600;
}

/* 📱 MOBILE OPTIMIZATION */
@media (max-width: 768px) {

  .breakdown {
    display: none;
    position: fixed;
    bottom: 70px;
    left: 0;
    right: 0;
    background: #fff;
    border-top: 1px solid #e5e7eb;
    padding: 16px;
    max-height: 60vh;
    overflow-y: auto;
    z-index: 999;
  }

}
  /* Hide full breakdown on mobile (too cluttered) */
  .breakdown {
    display: none;
  }

  .price-card {
    background: transparent;
    padding: 0;
    text-align: left;
  }

  .price-card h2 {
    font-size: 22px;
  }

  /* Add spacing so content not hidden behind sticky bar */
  body {
    padding-bottom: 80px;
  }

  /* Stack inline fields */
  .inline {
    flex-direction: column;
  }
  .toggle-btn {
  margin-top: 8px;
  padding: 8px 12px;
  font-size: 13px;
  border: 1px solid #d1d5db;
  background: #ffffff;
  border-radius: 6px;
  cursor: pointer;
}
}