/* ============================================
   AI TOOL COST CALCULATOR STYLES
   ============================================ */

/* ---- Hero ---- */
.rn-calc-hero {
  background: var(--rn-secondary);
  color: var(--rn-white);
  padding: 3rem 0 2.5rem;
  margin-top: -2rem;
  margin-bottom: 2rem;
  text-align: center;
}

.rn-calc-hero__title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 0.5rem;
}

.rn-calc-hero__subtitle {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.6);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---- Calculator ---- */
.rn-calc {
  max-width: 900px;
  margin: 0 auto 3rem;
}

/* ---- Inputs ---- */
.rn-calc-inputs {
  background: var(--rn-white);
  border: 1px solid var(--rn-gray-200);
  border-radius: var(--rn-radius-lg);
  padding: 1.5rem 2rem;
  margin-bottom: 2rem;
}

.rn-calc-inputs__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--rn-gray-900);
}

.rn-calc-inputs__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
}

.rn-calc-input-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--rn-gray-600);
  margin-bottom: 0.375rem;
}

.rn-calc-input-group input {
  width: 100%;
  padding: 0.625rem 0.75rem;
  font-size: 1rem;
  font-family: var(--rn-font-sans);
  border: 1px solid var(--rn-gray-300);
  border-radius: var(--rn-radius-md);
  background: var(--rn-white);
  transition: border-color var(--rn-transition);
}

.rn-calc-input-group input:focus {
  outline: none;
  border-color: var(--rn-primary);
  box-shadow: 0 0 0 3px rgba(108, 60, 225, 0.1);
}

/* ---- Results ---- */
.rn-calc-results {
  overflow-x: auto;
}

.rn-calc-loading {
  text-align: center;
  color: var(--rn-gray-400);
  padding: 3rem;
}

.rn-calc-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--rn-white);
  border: 1px solid var(--rn-gray-200);
  border-radius: var(--rn-radius-lg);
  overflow: hidden;
}

.rn-calc-table th,
.rn-calc-table td {
  padding: 1rem 1.25rem;
  text-align: left;
  border-bottom: 1px solid var(--rn-gray-100);
  font-size: 0.875rem;
}

.rn-calc-table thead th {
  background: var(--rn-gray-50);
  font-weight: 700;
  font-size: 0.8125rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--rn-gray-600);
  border-bottom: 2px solid var(--rn-gray-200);
}

.rn-calc-table__provider {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  font-weight: 600;
  color: var(--rn-gray-900);
}

.rn-calc-table__provider img {
  width: 24px;
  height: 24px;
  border-radius: var(--rn-radius-sm);
  object-fit: cover;
}

.rn-calc-table__provider a {
  color: inherit;
}

.rn-calc-table__provider a:hover {
  color: var(--rn-primary);
}

.rn-calc-table td.rn-calc-total {
  font-weight: 700;
  font-size: 1rem;
  color: var(--rn-gray-900);
}

.rn-calc-table tr.is-cheapest td {
  background: rgba(0, 212, 170, 0.05);
}

.rn-calc-table tr.is-cheapest td.rn-calc-total {
  color: var(--rn-accent);
}

.rn-calc-cheapest-badge {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  background: rgba(0, 212, 170, 0.15);
  color: #00b892;
  padding: 0.15rem 0.4rem;
  border-radius: var(--rn-radius-full);
  margin-left: 0.5rem;
}

.rn-calc-free-note {
  font-size: 0.75rem;
  color: var(--rn-gray-400);
  display: block;
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .rn-calc-hero__title {
    font-size: 1.75rem;
  }

  .rn-calc-inputs {
    padding: 1.25rem;
  }

  .rn-calc-inputs__grid {
    grid-template-columns: 1fr 1fr;
  }

  .rn-calc-results {
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  .rn-calc-inputs__grid {
    grid-template-columns: 1fr;
  }
}