.tcos-dc {
  --tcos-navy: #17365d;
  --tcos-navy-deep: #102744;
  --tcos-teal: #1f7a8c;
  --tcos-teal-light: #5cc4cf;
  --tcos-pale: #edf6f8;
  --tcos-ink: #1f2937;
  --tcos-muted: #5e6b7b;
  --tcos-line: #d8e2e8;
  --tcos-error: #b42318;
  width: min(1220px, 100%);
  margin: 30px auto;
  color: var(--tcos-ink);
  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
}

.tcos-dc,
.tcos-dc * {
  box-sizing: border-box;
}

.tcos-dc button,
.tcos-dc input {
  font: inherit;
}

.tcos-dc__intro {
  max-width: 850px;
  margin-bottom: 30px;
}

.tcos-dc__intro h2 {
  margin: 0;
  color: var(--tcos-navy-deep);
  font-size: clamp(34px, 5vw, 54px);
  line-height: 1.06;
  letter-spacing: -0.04em;
}

.tcos-dc__intro > p:last-child {
  max-width: 700px;
  margin: 16px 0 0;
  color: var(--tcos-muted);
  font-size: 19px;
}

.tcos-dc__eyebrow,
.tcos-dc__step {
  margin: 0 0 7px;
  color: var(--tcos-teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.tcos-dc__shell {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  align-items: stretch;
  overflow: hidden;
  border: 1px solid var(--tcos-line);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(23, 54, 93, 0.12);
}

.tcos-dc__inputs,
.tcos-dc__results {
  padding: clamp(24px, 4vw, 42px);
}

.tcos-dc__results {
  min-width: 0;
  background: var(--tcos-pale);
  border-left: 1px solid var(--tcos-line);
}

.tcos-dc__panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 28px;
}

.tcos-dc__panel-heading h3,
.tcos-dc__cta h3 {
  margin: 0;
  color: var(--tcos-navy-deep);
  font-size: 26px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.tcos-dc__reset {
  padding: 7px 10px;
  border: 0;
  border-radius: 6px;
  color: var(--tcos-teal);
  background: transparent;
  font-weight: 750;
  cursor: pointer;
}

.tcos-dc__reset:hover {
  background: var(--tcos-pale);
}

.tcos-dc__field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 20px;
}

.tcos-dc__field--wide {
  grid-column: 1 / -1;
}

.tcos-dc label {
  display: block;
  margin-bottom: 7px;
  color: var(--tcos-navy-deep);
  font-size: 14px;
  font-weight: 750;
}

.tcos-dc input {
  width: 100%;
  height: 48px;
  padding: 10px 13px;
  border: 1px solid #b8c8d2;
  border-radius: 9px;
  color: var(--tcos-ink);
  background: #fff;
  outline: none;
}

.tcos-dc input:focus,
.tcos-dc__affix:focus-within {
  border-color: var(--tcos-teal);
  box-shadow: 0 0 0 3px rgba(31, 122, 140, 0.16);
}

.tcos-dc__affix {
  display: flex;
  align-items: center;
  height: 48px;
  border: 1px solid #b8c8d2;
  border-radius: 9px;
  background: #fff;
}

.tcos-dc__affix span {
  padding-left: 13px;
  color: var(--tcos-muted);
  font-weight: 650;
}

.tcos-dc__affix input {
  height: 46px;
  border: 0;
  box-shadow: none;
  background: transparent;
}

.tcos-dc__affix input:focus {
  box-shadow: none;
}

.tcos-dc__affix--suffix span {
  order: 2;
  padding: 0 13px 0 0;
}

.tcos-dc__field.has-error input,
.tcos-dc__field.has-error .tcos-dc__affix {
  border-color: var(--tcos-error);
}

.tcos-dc__help,
.tcos-dc__error {
  min-height: 18px;
  margin: 5px 0 0;
  font-size: 12px;
  line-height: 1.35;
}

.tcos-dc__help {
  color: var(--tcos-muted);
}

.tcos-dc__error {
  display: none;
  color: var(--tcos-error);
  font-weight: 650;
}

.tcos-dc__field.has-error .tcos-dc__help {
  display: none;
}

.tcos-dc__field.has-error .tcos-dc__error {
  display: block;
}

.tcos-dc__privacy {
  margin: 26px 0 0;
  color: var(--tcos-muted);
  font-size: 13px;
}

.tcos-dc__privacy span {
  margin-right: 5px;
  color: var(--tcos-teal);
  font-size: 9px;
}

.tcos-dc__scenarios {
  min-width: 0;
  margin: 0 0 26px;
  padding: 0;
  border: 0;
}

.tcos-dc__scenarios legend {
  margin-bottom: 9px;
  color: var(--tcos-navy-deep);
  font-size: 14px;
  font-weight: 750;
}

.tcos-dc__scenario-buttons {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 6px;
}

.tcos-dc__scenario-buttons button {
  min-height: 42px;
  padding: 7px 4px;
  border: 1px solid #b4cbd2;
  border-radius: 8px;
  color: var(--tcos-navy);
  background: #fff;
  font-size: 13px;
  font-weight: 750;
  cursor: pointer;
}

.tcos-dc__scenario-buttons button:hover {
  border-color: var(--tcos-teal);
}

.tcos-dc__scenario-buttons button.is-active {
  border-color: var(--tcos-navy);
  color: #fff;
  background: var(--tcos-navy);
}

.tcos-dc__empty {
  display: grid;
  min-height: 390px;
  place-content: center;
  justify-items: center;
  padding: 40px 20px;
  text-align: center;
}

.tcos-dc__empty-icon {
  display: grid;
  width: 58px;
  height: 58px;
  margin-bottom: 14px;
  place-items: center;
  border-radius: 16px;
  color: var(--tcos-teal);
  background: #d8eef1;
  font-size: 27px;
  font-weight: 800;
}

.tcos-dc__empty h4,
.tcos-dc__comparison h4 {
  margin: 0;
  color: var(--tcos-navy-deep);
  font-size: 20px;
}

.tcos-dc__empty p {
  margin: 6px 0 0;
  color: var(--tcos-muted);
}

.tcos-dc__primary-result {
  margin-bottom: 22px;
  padding: 25px;
  border-radius: 14px;
  color: #fff;
  background: var(--tcos-navy);
}

.tcos-dc__primary-result p,
.tcos-dc__primary-result span {
  display: block;
  margin: 0;
  color: #d9e7ef;
}

.tcos-dc__primary-result strong {
  display: block;
  margin: 5px 0 2px;
  font-size: clamp(38px, 5vw, 54px);
  line-height: 1;
  letter-spacing: -0.045em;
}

.tcos-dc__breakdown {
  margin: 0;
  border-top: 1px solid #c6dadd;
}

.tcos-dc__breakdown div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid #c6dadd;
}

.tcos-dc__breakdown dt {
  color: var(--tcos-muted);
  font-size: 14px;
}

.tcos-dc__breakdown dd {
  margin: 0;
  color: var(--tcos-navy-deep);
  font-weight: 800;
  text-align: right;
}

.tcos-dc__note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 4px solid var(--tcos-teal);
  border-radius: 0 8px 8px 0;
  color: #465667;
  background: rgba(255, 255, 255, 0.72);
  font-size: 13px;
}

.tcos-dc__comparison {
  margin-top: 26px;
}

.tcos-dc__comparison h4 {
  margin-bottom: 10px;
  font-size: 17px;
}

.tcos-dc__table-wrap {
  overflow-x: auto;
}

.tcos-dc table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.tcos-dc th,
.tcos-dc td {
  padding: 10px 8px;
  border-bottom: 1px solid #c6dadd;
  text-align: right;
  white-space: nowrap;
}

.tcos-dc th:first-child,
.tcos-dc td:first-child {
  padding-left: 0;
  text-align: left;
}

.tcos-dc th {
  color: var(--tcos-muted);
  font-size: 11px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.tcos-dc td {
  color: var(--tcos-navy-deep);
  font-weight: 700;
}

.tcos-dc tr.is-selected td {
  color: var(--tcos-teal);
}

.tcos-dc__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  margin-top: 28px;
  padding: clamp(24px, 4vw, 36px);
  border-radius: 16px;
  color: #fff;
  background: var(--tcos-navy-deep);
}

.tcos-dc__cta h3 {
  color: #fff;
  font-size: clamp(23px, 3vw, 31px);
}

.tcos-dc__cta p {
  margin: 8px 0 0;
  color: #d7e9ef;
}

.tcos-dc__cta-button {
  flex: 0 0 auto;
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 20px;
  border: 2px solid var(--tcos-teal-light);
  border-radius: 9px;
  color: var(--tcos-navy-deep) !important;
  background: var(--tcos-teal-light);
  font-weight: 800;
  text-decoration: none !important;
}

.tcos-dc__cta-button:hover {
  border-color: #fff;
  background: #fff;
}

.tcos-dc__method {
  margin: 24px auto 0;
  color: var(--tcos-muted);
  font-size: 13px;
}

.tcos-dc__method p {
  margin: 8px 0;
}

.tcos-dc__brand {
  color: var(--tcos-navy-deep);
}

.tcos-dc__brand span {
  color: var(--tcos-teal);
}

.tcos-dc button:focus-visible,
.tcos-dc a:focus-visible {
  outline: 3px solid var(--tcos-teal-light);
  outline-offset: 3px;
}

@media (max-width: 900px) {
  .tcos-dc__shell {
    grid-template-columns: 1fr;
  }

  .tcos-dc__results {
    border-top: 1px solid var(--tcos-line);
    border-left: 0;
  }
}

@media (max-width: 620px) {
  .tcos-dc__field-grid {
    grid-template-columns: 1fr;
  }

  .tcos-dc__field--wide {
    grid-column: auto;
  }

  .tcos-dc__inputs,
  .tcos-dc__results {
    padding: 24px 18px;
  }

  .tcos-dc__scenario-buttons {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .tcos-dc__cta {
    align-items: stretch;
    flex-direction: column;
  }

  .tcos-dc__cta-button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tcos-dc * {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}