/* ============================================================
   Kalkulačka rodokmenu – „Spočítejte si orientační cenu"
   Doplňkové styly k css/style.min.css. Viz analyse_3.2.1_calc.md.
   ============================================================ */

.calc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 2rem;
  align-items: start;
}

.calc-main {
  background: var(--bg-soft, #f7f8fa);
  border: 1px solid var(--line, #e5e7eb);
  border-radius: 16px;
  padding: 2rem;
}

/* ---- Formulář ---- */
.calc-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.calc-step {
  border: none;
  border-top: 1px solid var(--line, #e5e7eb);
  margin: 0;
  padding: 1.5rem 0 0;
}

.calc-step:first-of-type {
  border-top: none;
  padding-top: 0;
}

.calc-step legend {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink, #1f2937);
  padding: 0;
  margin-bottom: 0.5rem;
}

.calc-form label {
  font-weight: 600;
  color: var(--ink, #1f2937);
  display: block;
  margin: 0.75rem 0 0.25rem;
}

.calc-form .form-control {
  width: 100%;
  box-sizing: border-box;
  padding: 0.75rem;
  border: 2px solid var(--line, #e5e7eb);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.calc-form .form-control:focus {
  outline: none;
  border-color: var(--accent, #d4af37);
}

.calc-form textarea.form-control {
  resize: vertical;
  min-height: 90px;
}

.calc-form .invalid-feedback {
  display: none;
  margin-top: 0.35rem;
  font-size: 0.9rem;
  color: #7f1d1d;
}

.calc-form .is-invalid {
  border-color: #fecaca;
}

.calc-form .is-invalid + .invalid-feedback,
.calc-form .invalid-feedback[style*="block"] {
  display: block;
}

.calc-help {
  color: var(--muted, #6b7280);
  margin: 0 0 1rem;
  font-size: 0.97rem;
}

.calc-help--small {
  font-size: 0.88rem;
  margin-top: 1rem;
}

.field-hint {
  font-weight: 400;
  color: var(--muted, #6b7280);
  font-size: 0.85rem;
}

.field-hint--active {
  color: var(--accent-dark, #b8941f);
  font-weight: 600;
}

/* ---- Volby (radio karty) ---- */
.calc-options {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.calc-options--compact {
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
}

.calc-options--inline {
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.calc-option {
  position: relative;
  margin: 0;
  cursor: pointer;
}

.calc-option input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.calc-option__box {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.1rem;
  background: #fff;
  border: 2px solid var(--line, #e5e7eb);
  border-radius: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  height: 100%;
  box-sizing: border-box;
}

.calc-option__box strong {
  font-size: 1.02rem;
  color: var(--ink, #1f2937);
}

.calc-option__box small {
  color: var(--muted, #6b7280);
  font-size: 0.9rem;
}

.calc-option:hover .calc-option__box {
  border-color: var(--accent, #d4af37);
}

.calc-option input:checked + .calc-option__box {
  border-color: var(--accent, #d4af37);
  box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.2);
  background: #fffdf5;
}

.calc-option input:focus-visible + .calc-option__box {
  outline: 2px solid var(--accent-dark, #b8941f);
  outline-offset: 2px;
}

.calc-option--slim .calc-option__box {
  flex-direction: row;
  align-items: center;
  justify-content: center;
  text-align: center;
}

/* Tlačítko „Ukázka" uvnitř volby */
.calc-ukazka {
  align-self: flex-start;
  position: relative;
  z-index: 2;
  margin-top: 0.4rem;
  background: transparent;
  border: 1px solid var(--accent, #d4af37);
  color: var(--accent-dark, #b8941f);
  font: inherit;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.calc-ukazka:hover,
.calc-ukazka:focus-visible {
  background: var(--ink, #1f2937);
  border-color: var(--ink, #1f2937);
  color: #fff;
}

/* ---- Checkboxy souhlasu ---- */
.calc-check {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 0 0 0.75rem;
  font-weight: 400;
  color: var(--ink, #1f2937);
}

.calc-check input {
  margin-top: 0.3rem;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ---- Poznámka (kombinace) ---- */
.calc-note {
  background: #fffaf0;
  border: 1px solid #f0e0b8;
  border-left: 4px solid var(--accent, #d4af37);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  font-size: 0.95rem;
  color: var(--ink, #1f2937);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ---- Souhrnný panel ---- */
.calc-summary {
  position: sticky;
  top: 90px;
  background: #fff;
  border: 2px solid var(--accent, #d4af37);
  border-radius: 16px;
  padding: 1.5rem;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

.calc-summary__title {
  margin: 0 0 1rem;
  font-size: 1.25rem;
  color: var(--ink, #1f2937);
}

.calc-summary__row,
.calc-summary__deposit {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--line, #e5e7eb);
}

.calc-summary__price {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 0;
}

.calc-summary__price span {
  color: var(--muted, #6b7280);
  font-size: 0.9rem;
}

.calc-summary__price strong {
  font-size: 1.6rem;
  color: var(--accent-dark, #b8941f);
  line-height: 1.2;
}

.calc-summary__breakdown {
  list-style: none;
  margin: 0 0 0.5rem;
  padding: 0;
}

.calc-summary__breakdown li {
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted, #6b7280);
  padding: 0.25rem 0;
}

.calc-summary__deposit {
  border-bottom: none;
  font-size: 1.02rem;
}

.calc-summary__deposit strong {
  color: var(--ink, #1f2937);
  text-align: right;
}

.calc-summary__note {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--muted, #6b7280);
}

/* ---- Responsivita ---- */
@media (max-width: 900px) {
  .calc-layout {
    grid-template-columns: 1fr;
  }
  .calc-summary {
    position: static;
    order: -1;
  }
}

@media (max-width: 600px) {
  .calc-main {
    padding: 1.25rem;
  }
}