/* ===== Калькулятор роста в процентах — зелёная тема роста ===== */

.calculator-layout {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  padding: 30px;
  font-family: 'Segoe UI', sans-serif;
}

.calc-block {
  flex: 1;
  min-width: 300px;
  max-width: 500px;
}

.calc-block h1 {
  color: #2e7d32;
  margin-bottom: 8px;
}

.calc-intro {
  margin: 0 0 6px;
  font-size: 15px;
  line-height: 1.6;
  color: #555;
}

/* Переключатель режимов */
.mode-toggle {
  display: flex;
  gap: 10px;
  margin: 22px 0 6px;
}

.mode-btn {
  flex: 1;
  padding: 12px 10px;
  background: #e8f5e9;
  border: 2px solid #c8e6c9;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  color: #2e7d32;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.mode-btn:hover {
  border-color: #81c784;
}

.mode-btn.active {
  background: #2e7d32;
  border-color: #2e7d32;
  color: #fff;
}

.mode-btn.active:hover {
  background: #1b5e20;
  border-color: #1b5e20;
}

.calc-block label {
  display: block;
  margin-top: 20px;
  font-weight: 600;
  color: #333;
}

.calc-block input {
  width: 100%;
  padding: 10px;
  margin-top: 8px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
  box-sizing: border-box;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.calc-block input:focus {
  outline: none;
  border-color: #4caf50;
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.field-hint {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: #777;
}

.calc-block button {
  margin-top: 25px;
  padding: 12px 24px;
  background-color: #2e7d32;
  color: white;
  border: none;
  border-radius: 6px;
  font-size: 16px;
  cursor: pointer;
}

.calc-block button:hover {
  background-color: #1b5e20;
}

/* Блок результатов */
.result-block {
  background: #f9f9f9;
  padding: 25px;
  border-top: 4px solid #2e7d32;
  border-radius: 6px;
  flex: 1;
  min-width: 280px;
}

.result-block h2 {
  margin-top: 0;
  color: #2e7d32;
}

.result-output p {
  margin: 12px 0;
  font-size: 17px;
  color: #222;
}

.result-output .result-main {
  font-size: 21px;
  font-weight: 600;
  padding: 10px 0;
  border-bottom: 1px dashed #c8e6c9;
}

.result-output .result-main strong {
  font-size: 26px;
}

.result-output .positive strong {
  color: #2e7d32;
}

.result-output .negative strong {
  color: #d32f2f;
}

.result-output .neutral strong {
  color: #666;
}

.result-output .result-note {
  font-size: 14px;
  color: #777;
}

/* Описание */
.calculator-description {
  max-width: 800px;
  margin: 50px auto;
  padding: 30px;
  background-color: #f1f8e9;
  border-top: 4px solid #2e7d32;
  border-radius: 6px;
  line-height: 1.6;
  font-size: 16px;
}

.calculator-description h2,
.calculator-description h3 {
  color: #2e7d32;
  margin-top: 20px;
}

.calculator-description h2 {
  margin-top: 0;
}

.calculator-description code {
  background: #e8f5e9;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 15px;
}