.sbc-calculator {
  --sbc-panel: #1a1a1a;
  --sbc-panel-2: #222222;
  --sbc-line: rgba(255, 255, 255, 0.16);
  --sbc-text: #f5f5f5;
  --sbc-muted: #bdbdbd;
  --sbc-accent: #ccff00;
  --sbc-accent-dark: #0e1200;
  --sbc-error: #ff6b6b;
  --sbc-success: #a8ff60;
  --sbc-font-size: 18px;
  width: 100%;
  color: var(--sbc-text);
  background: transparent;
  font-family: inherit;
  font-size: var(--sbc-font-size);
  line-height: 1.5;
}

.sbc-calculator *,
.sbc-calculator *::before,
.sbc-calculator *::after {
  box-sizing: border-box;
}

/* Vnější wrapper záměrně nemá vlastní pozadí, border ani stín.
   Pozadí celé sekce tak řeší přímo Bricks. */
.sbc-shell {
  width: 100%;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  overflow: visible;
}

.sbc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(340px, 0.75fr);
  gap: 24px;
  align-items: start;
}

.sbc-map-panel,
.sbc-summary-panel,
.sbc-form {
  border: 1px solid var(--sbc-line);
  background: var(--sbc-panel);
}

.sbc-map-panel,
.sbc-summary-panel {
  padding: clamp(20px, 2.6vw, 32px);
}

.sbc-step-head {
  display: flex;
  gap: 15px;
  align-items: center;
  margin-bottom: 22px;
}

.sbc-step-number {
  display: inline-grid;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  place-items: center;
  border: 1px solid var(--sbc-accent);
  color: var(--sbc-accent);
  font-size: 1em;
  font-weight: 900;
}

.sbc-step-head > div {
  display: grid;
  gap: 4px;
}

.sbc-step-head strong {
  color: var(--sbc-text);
  font-size: 1.14em;
  line-height: 1.25;
}

.sbc-step-head span:not(.sbc-step-number) {
  color: var(--sbc-muted);
  font-size: 0.94em;
  line-height: 1.45;
}

.sbc-autocomplete-wrap {
  position: relative;
  z-index: 50;
  margin-bottom: 16px;
}

.sbc-autocomplete gmp-place-autocomplete {
  width: 100%;
  min-height: 54px;
  color-scheme: dark;
  border: 1px solid var(--sbc-line);
  border-radius: 0;
  font-size: max(16px, 0.95em);
  --gmp-mat-color-surface: #222222;
  --gmp-mat-color-on-surface: #f5f5f5;
  --gmp-mat-color-on-surface-variant: #c4c4c4;
  --gmp-mat-color-primary: #ccff00;
  --gmp-mat-color-outline-decorative: rgba(255, 255, 255, 0.16);
  --gmp-mat-font-family: inherit;
}

.sbc-map-wrap {
  position: relative;
  width: 100%;
  min-height: 560px;
  border: 1px solid var(--sbc-line);
  overflow: hidden;
  background: #0b0b0b;
}

.sbc-map {
  width: 100%;
  height: 560px;
  min-height: 560px;
}

.sbc-map-loading {
  position: absolute;
  inset: 0;
  z-index: 20;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 14px;
  padding: 30px;
  text-align: center;
  background: #111111;
  color: var(--sbc-muted);
  font-size: 1em;
}

.sbc-map-loading[hidden] { display: none; }
.sbc-map-loading.is-error { color: var(--sbc-error); }

.sbc-map-loading strong {
  color: var(--sbc-text);
  font-size: 1.1em;
}

.sbc-spinner {
  display: block;
  width: 38px;
  height: 38px;
  border: 3px solid rgba(255, 255, 255, 0.18);
  border-top-color: var(--sbc-accent);
  border-radius: 50%;
  animation: sbc-spin 0.85s linear infinite;
}

@keyframes sbc-spin { to { transform: rotate(360deg); } }

.sbc-map-help {
  min-height: 50px;
  display: flex;
  align-items: center;
  margin: 14px 0;
  padding: 12px 15px;
  border-left: 3px solid var(--sbc-accent);
  background: rgba(204, 255, 0, 0.06);
  color: #e0e0e0;
  font-size: 0.94em;
  line-height: 1.5;
}

.sbc-map-help.is-error {
  border-left-color: var(--sbc-error);
  background: rgba(255, 107, 107, 0.08);
  color: #ffd0d0;
}

.sbc-map-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sbc-btn,
.sbc-submit {
  min-height: 50px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 0;
  font: inherit;
  font-size: 0.95em;
  font-weight: 800;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 160ms ease, background-color 160ms ease, border-color 160ms ease, opacity 160ms ease;
}

.sbc-btn:hover:not(:disabled),
.sbc-submit:hover:not(:disabled) { transform: translateY(-2px); }

.sbc-btn:disabled,
.sbc-submit:disabled {
  cursor: not-allowed;
  opacity: 0.42;
}

.sbc-btn-primary,
.sbc-submit {
  background: var(--sbc-accent);
  color: var(--sbc-accent-dark);
}

.sbc-btn-secondary {
  border-color: var(--sbc-accent);
  background: transparent;
  color: var(--sbc-accent);
}

.sbc-btn-ghost {
  border-color: var(--sbc-line);
  background: var(--sbc-panel-2);
  color: var(--sbc-text);
}

.sbc-terrain-list {
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
  border: 0;
}

.sbc-terrain-card {
  position: relative;
  display: flex;
  gap: 14px;
  align-items: center;
  min-height: 78px;
  padding: 16px;
  border: 1px solid var(--sbc-line);
  background: var(--sbc-panel-2);
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease, transform 160ms ease;
}

.sbc-terrain-card:hover {
  transform: translateX(3px);
  border-color: rgba(204, 255, 0, 0.48);
}

.sbc-terrain-card:has(input:checked) {
  border-color: var(--sbc-accent);
  background: rgba(204, 255, 0, 0.075);
}

.sbc-terrain-card input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.sbc-radio-ui {
  width: 21px;
  height: 21px;
  flex: 0 0 21px;
  border: 2px solid #888;
  border-radius: 50%;
  box-shadow: inset 0 0 0 4px var(--sbc-panel-2);
  background: transparent;
}

.sbc-terrain-card input:checked + .sbc-radio-ui {
  border-color: var(--sbc-accent);
  background: var(--sbc-accent);
}

.sbc-terrain-card input:focus-visible + .sbc-radio-ui {
  outline: 3px solid rgba(204, 255, 0, 0.3);
  outline-offset: 3px;
}

.sbc-terrain-copy {
  display: grid;
  gap: 5px;
}

.sbc-terrain-copy strong {
  color: var(--sbc-text);
  font-size: 1em;
  line-height: 1.35;
}

.sbc-terrain-copy small {
  color: var(--sbc-muted);
  font-size: 0.9em;
  line-height: 1.35;
}

.sbc-result-card {
  margin-top: 20px;
  padding: 22px;
  border: 1px solid var(--sbc-accent);
  background: #101300;
}

.sbc-result-row {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: baseline;
  padding: 8px 0;
  color: var(--sbc-muted);
  font-size: 0.96em;
}

.sbc-result-row strong {
  color: var(--sbc-text);
  text-align: right;
  font-size: 1em;
}

.sbc-result-divider {
  height: 1px;
  margin: 14px 0;
  background: rgba(204, 255, 0, 0.25);
}

.sbc-result-total {
  align-items: center;
  color: var(--sbc-text);
  font-size: 1em;
}

.sbc-result-total strong {
  color: var(--sbc-accent);
  font-size: clamp(1.7em, 2.8vw, 2.45em);
  letter-spacing: -0.04em;
  line-height: 1.05;
}

.sbc-minimum-note,
.sbc-price-suffix {
  margin: 9px 0 0;
  color: var(--sbc-muted);
  font-size: 0.86em;
  text-align: right;
}

.sbc-form {
  margin-top: 24px;
  padding: clamp(22px, 3vw, 34px);
}

.sbc-form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.sbc-field {
  display: grid;
  gap: 9px;
}

.sbc-field-full { grid-column: 1 / -1; }

.sbc-field > span {
  color: var(--sbc-text);
  font-size: 0.94em;
  font-weight: 700;
}

.sbc-field input,
.sbc-field textarea {
  width: 100%;
  min-height: 54px;
  padding: 13px 15px;
  border: 1px solid var(--sbc-line);
  border-radius: 0;
  outline: none;
  background: var(--sbc-panel-2);
  color: var(--sbc-text);
  font: inherit;
  font-size: max(16px, 0.95em);
  line-height: 1.4;
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.sbc-field textarea {
  min-height: 126px;
  resize: vertical;
}

.sbc-field input:focus,
.sbc-field textarea:focus {
  border-color: var(--sbc-accent);
  box-shadow: 0 0 0 3px rgba(204, 255, 0, 0.09);
}

.sbc-consent {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  margin-top: 20px;
  color: var(--sbc-muted);
  font-size: 0.9em;
  line-height: 1.5;
  cursor: pointer;
}

.sbc-consent input {
  width: 20px;
  height: 20px;
  flex: 0 0 20px;
  margin-top: 2px;
  accent-color: var(--sbc-accent);
}

.sbc-hp {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  overflow: hidden !important;
  clip: rect(0 0 0 0) !important;
  white-space: nowrap !important;
}

.sbc-form-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-top: 24px;
}

.sbc-form-message {
  flex: 1;
  min-height: 22px;
  font-size: 0.94em;
  line-height: 1.5;
}

.sbc-form-message.is-error { color: var(--sbc-error); }
.sbc-form-message.is-success { color: var(--sbc-success); }

.sbc-submit {
  min-width: 280px;
  min-height: 58px;
  padding-inline: 26px;
  font-size: 0.96em;
  text-transform: uppercase;
  letter-spacing: 0.035em;
}

.sbc-calculator .screen-reader-text {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

@media (max-width: 1024px) {
  .sbc-layout { grid-template-columns: 1fr; }

  .sbc-summary-panel {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(300px, 0.8fr);
    gap: 22px;
  }

  .sbc-summary-panel > .sbc-step-head {
    grid-column: 1 / -1;
    margin-bottom: 0;
  }

  .sbc-result-card {
    margin-top: 0;
    align-self: start;
  }
}

@media (max-width: 720px) {
  .sbc-calculator {
    /* Na mobilu zůstane text čitelný, ale ne přehnaně velký. */
    font-size: min(var(--sbc-font-size), 18px);
  }

  .sbc-map-panel,
  .sbc-summary-panel,
  .sbc-form {
    padding: 16px;
  }

  .sbc-map-wrap,
  .sbc-map {
    min-height: 460px;
    height: 460px;
  }

  .sbc-summary-panel,
  .sbc-form-grid { grid-template-columns: 1fr; }

  .sbc-summary-panel > .sbc-step-head,
  .sbc-field-full { grid-column: auto; }

  .sbc-result-card { margin-top: 4px; }

  .sbc-map-actions {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sbc-btn {
    width: 100%;
    padding-inline: 10px;
    font-size: 0.9em;
  }

  .sbc-form-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .sbc-submit {
    width: 100%;
    min-width: 0;
  }
}

@media (max-width: 430px) {
  .sbc-map-wrap,
  .sbc-map {
    min-height: 400px;
    height: 400px;
  }

  .sbc-map-actions { grid-template-columns: 1fr; }

  .sbc-result-row {
    align-items: flex-start;
    flex-direction: column;
    gap: 4px;
  }

  .sbc-result-row strong,
  .sbc-minimum-note,
  .sbc-price-suffix { text-align: left; }
}

/* ===== v1.2.0: extra narrow mobile hardening ===== */
.sbc-calculator,
.sbc-shell,
.sbc-layout,
.sbc-layout > *,
.sbc-map-panel,
.sbc-summary-panel,
.sbc-form,
.sbc-form-grid,
.sbc-field,
.sbc-terrain-list,
.sbc-terrain-card,
.sbc-result-card,
.sbc-autocomplete-wrap,
.sbc-autocomplete,
.sbc-map-wrap,
.sbc-map {
  min-width: 0;
  max-width: 100%;
}

.sbc-calculator {
  overflow-x: clip;
}

/* Fieldset has an intrinsic min-width in some browsers, which can cause overflow. */
.sbc-terrain-list {
  width: 100%;
  min-inline-size: 0;
}

.sbc-autocomplete,
.sbc-autocomplete gmp-place-autocomplete {
  display: block;
  width: 100%;
  max-width: 100%;
  min-width: 0;
}

.sbc-field input,
.sbc-field textarea,
.sbc-btn,
.sbc-submit {
  max-width: 100%;
  min-width: 0;
}

.sbc-step-head,
.sbc-terrain-card,
.sbc-result-row,
.sbc-consent,
.sbc-form-message {
  min-width: 0;
}

.sbc-step-head > div,
.sbc-terrain-copy,
.sbc-result-row > *,
.sbc-consent > span,
.sbc-form-message {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: normal;
}

@media (max-width: 380px) {
  .sbc-map-panel,
  .sbc-summary-panel,
  .sbc-form {
    padding: 12px;
  }

  .sbc-step-head {
    gap: 10px;
  }

  .sbc-step-number {
    width: 38px;
    height: 38px;
    flex-basis: 38px;
  }

  .sbc-map-wrap,
  .sbc-map {
    min-height: 350px;
    height: 350px;
  }

  .sbc-map-help {
    padding: 10px 12px;
  }

  .sbc-terrain-card {
    gap: 10px;
    padding: 13px 12px;
  }

  .sbc-result-card {
    padding: 16px 14px;
  }

  .sbc-form-grid {
    gap: 14px;
  }

  .sbc-field input,
  .sbc-field textarea {
    padding-inline: 12px;
  }

  .sbc-submit,
  .sbc-btn {
    white-space: normal;
    overflow-wrap: anywhere;
  }
}

@media (max-width: 350px) {
  .sbc-map-panel,
  .sbc-summary-panel,
  .sbc-form {
    padding: 10px;
  }

  .sbc-map-wrap,
  .sbc-map {
    min-height: 320px;
    height: 320px;
  }

  .sbc-result-total strong {
    font-size: 1.55em;
  }
}

/* ===== v1.2.5: robust price layout ===== */
.sbc-result-row strong {
  white-space: nowrap;
  flex: 0 0 auto;
}

.sbc-result-total {
  display: grid;
  grid-template-columns: 1fr;
  gap: 5px;
  align-items: start;
}

.sbc-result-total strong {
  width: 100%;
  max-width: 100%;
  white-space: nowrap;
  text-align: right;
  font-size: clamp(1.55em, 2.25vw, 2.2em);
  line-height: 1.05;
}

@media (max-width: 430px) {
  .sbc-result-total strong {
    text-align: left;
    font-size: clamp(1.45em, 8vw, 1.9em);
  }
}