/* Стили страницы калькулятора бюджета */

.budget-calculator {
  max-width: 980px;
  margin: 32px auto 48px;
  padding: 24px;
  background: var(--card-bg);
  border-radius: 20px;
  box-shadow: var(--card-shadow);
  transition: background 0.25s ease, box-shadow 0.25s ease;
}

.budget-calculator h1 {
  margin: 0 0 10px;
  font-size: 32px;
  text-align: center;
}

.budget-calculator .subtitle {
  margin: 0 0 30px;
  text-align: center;
  color: var(--text-muted);
  font-size: 16px;
}

.calculator-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.calculator-section {
  background: var(--section-bg);
  border: 1px solid var(--section-border);
  border-radius: 16px;
  padding: 20px;
  transition: background 0.25s ease, border-color 0.25s ease;
}

.calculator-section h2 {
  margin: 0 0 16px;
  font-size: 20px;
}

.field {
  margin-bottom: 14px;
}

.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  color: var(--text-label);
}

.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--input-border);
  border-radius: 10px;
  font-size: 16px;
  outline: none;
  background: var(--input-bg);
  color: var(--input-text);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.25s ease;
}

.field input:focus {
  border-color: var(--focus-border);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.buttons {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
  justify-content: center;
}

.buttons button {
  border: none;
  cursor: pointer;
  padding: 14px 22px;
  border-radius: 12px;
  font-size: 16px;
  font-weight: 700;
  transition: 0.2s;
}

.calculate-btn {
  background: var(--btn-primary);
  color: #ffffff;
}

.calculate-btn:hover {
  background: var(--btn-primary-hover);
}

.reset-btn {
  background: var(--btn-reset-bg);
  color: var(--btn-reset-text);
}

.reset-btn:hover {
  background: var(--btn-reset-hover);
}

.result {
  margin-top: 30px;
  padding: 24px;
  border-radius: 18px;
  background: #111827;
  color: #ffffff;
  display: none;
}

.result h2 {
  margin: 0 0 20px;
  text-align: center;
  font-size: 24px;
}

.result-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.result-card {
  background: rgba(255, 255, 255, 0.08);
  padding: 18px;
  border-radius: 14px;
  text-align: center;
}

.result-card span {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
  color: #cbd5e1;
}

.result-card strong {
  font-size: 22px;
}

.advice {
  margin-top: 20px;
  padding: 16px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  font-size: 16px;
  text-align: center;
}

.advice.positive {
  color: #86efac;
}

.advice.warning {
  color: #fde68a;
}

.advice.negative {
  color: #fca5a5;
}

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

  .budget-calculator {
    margin: 20px;
    padding: 18px;
  }

  .budget-calculator h1 {
    font-size: 26px;
  }
}