/* =========================================================
   PAGE · CALCULATOR
   Scope: .page-calculator ONLY
========================================================= */

.page-calculator h1 {
  margin-bottom: 0.8rem;
}

.page-calculator .subtitle {
  max-width: 680px;
  margin-bottom: 2.5rem;
}



/* =========================
   LAYOUT
========================= */

.page-calculator .calculator-step {
  max-width: 720px;
  margin: 2.5rem auto;
}

.page-calculator .calculator-step.hidden {
  display: none;
}

.page-calculator .step-actions {
  margin-top: 1.5rem;
}


/* =========================
   HINTS
========================= */

.page-calculator .hint {
  color: #666;
  font-size: 0.95rem;
  margin-top: 0.75rem;
}

.page-calculator .hint.small {
  font-size: 0.85rem;
}


/* =========================
   PARAMETERS
========================= */

.page-calculator .parameter {
  margin: 1.5rem 0;
}

.page-calculator .parameter label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.page-calculator .parameter .description {
  font-size: 0.9rem;
  color: #666;
  margin-bottom: 0.5rem;
}

.page-calculator .parameter .value {
  font-weight: 600;
  margin-left: 0.5rem;
}

.page-calculator .parameter input[type="range"] {
  width: 100%;
}


/* =========================
   EMAIL BLOCK
========================= */

.page-calculator .email-block {
  margin: 1.5rem 0;
}

.page-calculator .email-block input {
  padding: 0.5rem;
  width: 240px;
  max-width: 100%;
}

.page-calculator .email-block button {
  margin-left: 0.5rem;
}

.page-calculator .input-state {
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 1rem 1.1rem;
  background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}


/* =========================
   STATUS & RESULTS
========================= */

.page-calculator #simulation-status {
  margin-top: 1rem;
  font-weight: 600;
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
  background: #f3f4f6;
  color: #1f2937;
}

.page-calculator #simulation-status.status-running {
  background: #dbeafe;
  color: #1d4ed8;
}

.page-calculator #simulation-status.status-error {
  background: #fee2e2;
  color: #991b1b;
}

.page-calculator #simulation-status.status-success {
  background: #dcfce7;
  color: #166534;
}

.page-calculator #simulation-results {
  margin-top: 2rem;
  border: 1px solid #d1fae5;
  border-radius: 14px;
  padding: 1rem 1.15rem;
  background: linear-gradient(180deg, #ecfdf5 0%, #ffffff 100%);
}

.page-calculator #simulation-results h3 {
  margin: 0 0 0.75rem;
  color: #065f46;
}

.page-calculator #simulation-results ul {
  margin: 0;
  padding-left: 1.1rem;
}

.page-calculator #simulation-results li {
  margin-bottom: 0.45rem;
}


/* =========================
   SCENARIO SELECTION (STEP 1)
========================= */

.page-calculator .scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
  margin: 1.5rem 0 2rem;
}

.page-calculator .scenario-card {
  position: relative;
  background: #ffffff;
  border: 1px solid #dbe1e8;
  border-radius: 14px;
  padding: 1.2rem 1.3rem;

  cursor: pointer;

  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);

  transition:
    border-color 0.2s ease,
    box-shadow 0.2s ease,
    transform 0.15s ease;
}

.page-calculator .scenario-card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: #1f2937;
}

.page-calculator .scenario-card .description {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.4;
  color: #4b5563;
}


/* Hover */

.page-calculator .scenario-card:hover {
  border-color: #64748b;
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.10);
  transform: translateY(-2px);
}


/* Selected state */

.page-calculator .scenario-card.active {
  border-color: #2563eb;
  box-shadow: 0 10px 30px rgba(37, 99, 235, 0.18);

  background: linear-gradient(
    180deg,
    rgba(37, 99, 235, 0.04),
    rgba(37, 99, 235, 0.02)
  );
}

.page-calculator .scenario-card.active::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.5);
  pointer-events: none;
}

.page-calculator .scenario-card::after {
  content: "Select";
  position: absolute;
  top: 0.8rem;
  right: 1rem;

  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;

  color: #64748b;
  opacity: 0.75;
}

.page-calculator .scenario-card.active::after {
  content: "Selected";
  color: #2563eb;
  opacity: 1;
}


/* =========================
   MOBILE
========================= */

@media (max-width: 640px) {

  .page-calculator .calculator-step {
    margin: 2rem auto;
    padding: 0 1.25rem;
  }

  .page-calculator .scenario-grid {
    grid-template-columns: 1fr;
    gap: 0.9rem;
  }

  .page-calculator .scenario-card {
    padding: 1rem;
  }

  .page-calculator .scenario-card h3 {
    font-size: 1rem;
  }

  .page-calculator .email-block input {
    width: 100%;
    margin-bottom: 0.5rem;
  }

  .page-calculator .email-block button {
    margin-left: 0;
    width: 100%;
  }
}

/* =========================================================
   CALCULATOR HERO ALIGNMENT FIX
========================================================= */

.page-calculator .hero {
  text-align: center;
  margin-bottom: 2.5rem;
}

.page-calculator .hero .subtitle {
  margin-left: auto;
  margin-right: auto;
  max-width: 680px;
}