/* =====================================================
   Калькулятор госпошлины по договору — нотариальный тариф
   Тема: тёмно-синий (navy) + золото, юридический стиль
   ===================================================== */

:root {
  --navy: #0d1b3e;
  --navy-light: #12295e;
  --gold: #c9a227;
  --ink: #2b3a55;
  --muted: #5a6a85;
  --border: #dce3ee;
  --bg-soft: #f5f7fb;
  --gold-soft: #fbf6e3;
}

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

/* ---------- Форма ---------- */

.calc-block {
  flex: 1;
  min-width: 300px;
  max-width: 520px;
}

.calc-block h1 {
  color: var(--navy);
  font-size: 26px;
  line-height: 1.3;
  margin-top: 0;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--gold);
}

.calc-intro {
  color: var(--muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin: 10px 0 0;
}

.calc-block label {
  display: block;
  margin-top: 20px;
  font-weight: 600;
  font-size: 15px;
  color: var(--navy);
}

.calc-block input,
.calc-block select {
  width: 100%;
  box-sizing: border-box;
  padding: 11px 12px;
  margin-top: 8px;
  font-size: 16px;
  color: var(--navy);
  background: #fff;
  border: 1px solid #b8c2d4;
  border-radius: 6px;
  transition: border-color .15s, box-shadow .15s;
}

.calc-block input:focus,
.calc-block select:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(13, 27, 62, 0.12);
}

.calc-block select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%230d1b3e' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
}

.field-hint {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: normal;
  margin-top: 5px;
}

.calc-block button {
  margin-top: 25px;
  padding: 13px 30px;
  background: var(--navy);
  color: #fff;
  border: none;
  border-bottom: 3px solid var(--gold);
  border-radius: 6px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}

.calc-block button:hover {
  background: var(--navy-light);
}

.calc-block button:active {
  transform: translateY(1px);
}

/* ---------- Результаты ---------- */

.result-block {
  flex: 1;
  min-width: 300px;
  background: #fff;
  padding: 25px;
  border-left: 4px solid var(--navy);
  border-radius: 6px;
  box-shadow: 0 4px 18px rgba(13, 27, 62, 0.08);
}

.result-block h2 {
  margin-top: 0;
  color: var(--navy);
  border-bottom: 2px solid #e3e8f1;
  padding-bottom: 10px;
}

.result-output p {
  margin: 10px 0;
}

.fee-total {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: 6px;
  padding: 14px 16px;
  margin: 14px 0;
}

.fee-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--muted);
}

.fee-amount {
  font-size: 27px;
  font-weight: 700;
  color: var(--navy);
  white-space: nowrap;
}

.fee-tier {
  display: inline-block;
  font-size: 13px;
  color: var(--muted);
  background: #eef1f7;
  border-radius: 20px;
  padding: 4px 12px;
  margin: 6px 0 2px;
}

.fee-formula {
  font-size: 15px;
  line-height: 1.55;
  color: var(--ink);
  word-break: break-word;
}

.fee-law {
  font-size: 13px;
  color: var(--muted);
}

.fee-note {
  font-size: 13px;
  line-height: 1.5;
  color: #7a5d0a;
  background: var(--gold-soft);
  border-left: 3px solid var(--gold);
  padding: 8px 12px;
  border-radius: 0 4px 4px 0;
}

.fee-error {
  color: #b00020;
  font-weight: 600;
}

/* ---------- Тарифная шкала (прогрессивная) ---------- */

.fee-scale-title {
  margin: 18px 0 4px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--navy);
}

.table-wrap {
  overflow-x: auto;
}

.scale-table {
  width: 100%;
  min-width: 420px;
  border-collapse: collapse;
  margin: 8px 0;
  font-size: 13px;
}

.scale-table th {
  background: var(--navy);
  color: #fff;
  padding: 9px 12px;
  text-align: left;
  font-weight: 600;
}

.scale-table td {
  padding: 8px 12px;
  border: 1px solid var(--border);
  color: var(--ink);
}

.scale-table tr:nth-child(even) td {
  background: var(--bg-soft);
}

.scale-table tr.current td {
  background: var(--gold-soft);
  color: var(--navy);
  font-weight: 600;
  border-left: 3px solid var(--gold);
}

/* ---------- Описание ---------- */

.calculator-description {
  max-width: 860px;
  margin: 50px auto;
  padding: 30px;
  background: #fff;
  border-left: 4px solid var(--navy);
  border-radius: 6px;
  box-shadow: 0 4px 18px rgba(13, 27, 62, 0.06);
  line-height: 1.65;
  font-size: 16px;
  color: var(--ink);
}

.calculator-description h2 {
  color: var(--navy);
  margin-top: 24px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--gold);
  display: inline-block;
}

.calculator-description h3 {
  color: var(--navy);
  margin-top: 20px;
}

.calculator-description ul {
  margin: 10px 0 10px 20px;
}