:root {
  --tccc-bg: #f4f6f8;
  --tccc-card: #ffffff;
  --tccc-card-2: #f9fafb;
  --tccc-text: #17202a;
  --tccc-muted: #64748b;
  --tccc-line: #d8dee8;
  --tccc-primary: #2f5f74;
  --tccc-primary-2: #203944;
  --tccc-accent: #a6b1b7;
  --tccc-good: #2f6f55;
  --tccc-warning: #8a641e;
  --tccc-danger: #8a3838;
  --tccc-shadow: 0 18px 50px rgba(15, 23, 42, 0.12);
  --tccc-radius: 22px;
  --tccc-focus: 0 0 0 4px rgba(47, 95, 116, 0.22);
}

.tccc-calculator,
.tccc-calculator * {
  box-sizing: border-box;
}

.tccc-calculator {
  color: var(--tccc-text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  margin: 0 auto;
  max-width: 1360px;
  padding: 16px;
}

.tccc-calculator[data-theme="dark"] {
  --tccc-bg: #101418;
  --tccc-card: #151b22;
  --tccc-card-2: #1d252e;
  --tccc-text: #edf2f7;
  --tccc-muted: #aab7c4;
  --tccc-line: #344250;
  --tccc-primary: #8eb9c8;
  --tccc-primary-2: #dcebf0;
  --tccc-accent: #617381;
  --tccc-shadow: 0 18px 50px rgba(0, 0, 0, 0.35);
  --tccc-focus: 0 0 0 4px rgba(142, 185, 200, 0.24);
}

.tccc-shell {
  background:
    radial-gradient(circle at top left, rgba(47, 95, 116, 0.12), transparent 34rem),
    linear-gradient(145deg, var(--tccc-bg), var(--tccc-card-2));
  border: 1px solid var(--tccc-line);
  border-radius: 30px;
  box-shadow: var(--tccc-shadow);
  overflow: hidden;
  padding: clamp(18px, 3vw, 34px);
}

.tccc-header {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 24px;
}

.tccc-kicker {
  color: var(--tccc-primary);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  margin: 0 0 8px;
  text-transform: uppercase;
}

.tccc-header h2,
.tccc-section h3,
.tccc-breakdown h3,
.tccc-table-wrap h3 {
  color: var(--tccc-text);
  line-height: 1.1;
  margin: 0;
}

.tccc-header h2 {
  font-size: clamp(1.75rem, 5vw, 3.2rem);
  letter-spacing: -0.05em;
  text-transform: capitalize;
}

.tccc-subtitle {
  color: var(--tccc-muted);
  margin: 10px 0 0;
  max-width: 780px;
}

.tccc-theme-toggle,
.tccc-button {
  align-items: center;
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 800;
  gap: 8px;
  justify-content: center;
  min-height: 44px;
  padding: 12px 16px;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.tccc-theme-toggle {
  background: var(--tccc-card);
  border: 1px solid var(--tccc-line);
  color: var(--tccc-text);
  flex: 0 0 auto;
}

.tccc-button {
  background: var(--tccc-primary);
  color: #ffffff;
}

.tccc-button-secondary {
  background: var(--tccc-card-2);
  border: 1px solid var(--tccc-line);
  color: var(--tccc-text);
}

.tccc-theme-toggle:hover,
.tccc-button:hover {
  box-shadow: 0 12px 24px rgba(15, 23, 42, 0.14);
  transform: translateY(-1px);
}

.tccc-theme-toggle:focus-visible,
.tccc-button:focus-visible,
.tccc-field input:focus-visible,
.tccc-field select:focus-visible,
.tccc-switch input:focus-visible + span {
  box-shadow: var(--tccc-focus);
  outline: none;
}

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

.tccc-card {
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--tccc-line);
  border-radius: var(--tccc-radius);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  padding: clamp(16px, 2.4vw, 24px);
}

.tccc-calculator[data-theme="dark"] .tccc-card {
  background: rgba(21, 27, 34, 0.86);
}

.tccc-form {
  display: grid;
  gap: 18px;
}

.tccc-section {
  background: var(--tccc-card-2);
  border: 1px solid var(--tccc-line);
  border-radius: 18px;
  padding: 16px;
}

.tccc-section-heading {
  align-items: flex-start;
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
}

.tccc-section-heading p {
  color: var(--tccc-muted);
  font-size: 0.94rem;
  margin: 4px 0 0;
}

.tccc-icon {
  align-items: center;
  background: var(--tccc-card);
  border: 1px solid var(--tccc-line);
  border-radius: 14px;
  color: var(--tccc-primary);
  display: inline-flex;
  flex: 0 0 42px;
  font-size: 1.1rem;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.tccc-fields {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.tccc-field {
  color: var(--tccc-text);
  display: grid;
  font-weight: 750;
  gap: 8px;
}

.tccc-field > span {
  align-items: center;
  display: flex;
  font-size: 0.92rem;
  justify-content: space-between;
}

.tccc-field input,
.tccc-field select {
  appearance: none;
  background: var(--tccc-card);
  border: 1px solid var(--tccc-line);
  border-radius: 14px;
  color: var(--tccc-text);
  font: inherit;
  min-height: 46px;
  padding: 11px 13px;
  width: 100%;
}

.tccc-field input[type="range"] {
  accent-color: var(--tccc-primary);
  min-height: 46px;
  padding: 0;
}

.tccc-input-unit {
  align-items: center;
  background: var(--tccc-card);
  border: 1px solid var(--tccc-line);
  border-radius: 14px;
  display: flex;
  overflow: hidden;
}

.tccc-input-unit input {
  border: 0;
  border-radius: 0;
}

.tccc-input-unit span {
  color: var(--tccc-muted);
  font-weight: 900;
  padding: 0 13px;
}

.tccc-switches {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(1, minmax(0, 1fr));
  margin-top: 14px;
}

.tccc-switch {
  align-items: center;
  cursor: pointer;
  display: flex;
  gap: 10px;
}

.tccc-switch input {
  height: 1px;
  opacity: 0;
  position: absolute;
  width: 1px;
}

.tccc-switch span {
  align-items: center;
  background: var(--tccc-card);
  border: 1px solid var(--tccc-line);
  border-radius: 999px;
  color: var(--tccc-text);
  display: flex;
  font-weight: 800;
  gap: 10px;
  min-height: 44px;
  padding: 10px 14px;
  width: 100%;
}

.tccc-switch span::before {
  background: var(--tccc-card-2);
  border: 1px solid var(--tccc-line);
  border-radius: 999px;
  content: "";
  height: 20px;
  transition: background 160ms ease;
  width: 36px;
}

.tccc-switch input:checked + span::before {
  background: var(--tccc-primary);
}

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

.tccc-status {
  color: var(--tccc-primary);
  font-weight: 800;
  margin: 0;
  min-height: 1.5em;
}

.tccc-results {
  display: grid;
  gap: 18px;
}

.tccc-summary {
  background: linear-gradient(145deg, var(--tccc-primary-2), var(--tccc-primary));
  color: #ffffff;
  position: sticky;
  top: 16px;
}

.tccc-summary .tccc-kicker,
.tccc-summary .tccc-note,
.tccc-summary .tccc-range {
  color: rgba(255, 255, 255, 0.86);
}

.tccc-total {
  font-size: clamp(2.1rem, 7vw, 4rem);
  font-weight: 950;
  letter-spacing: -0.06em;
  line-height: 1;
  margin: 8px 0;
}

.tccc-range,
.tccc-note {
  margin: 0;
}

.tccc-note {
  font-size: 0.9rem;
  margin-top: 12px;
}

.tccc-result-cards {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.tccc-mini-card {
  background: var(--tccc-card);
  border: 1px solid var(--tccc-line);
  border-radius: 18px;
  padding: 15px;
}

.tccc-mini-card span {
  color: var(--tccc-muted);
  display: block;
  font-size: 0.82rem;
  font-weight: 850;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.tccc-mini-card strong {
  color: var(--tccc-text);
  display: block;
  font-size: 1.2rem;
  line-height: 1.1;
}

.tccc-bars {
  display: grid;
  gap: 13px;
  margin-top: 15px;
}

.tccc-bar-row {
  display: grid;
  gap: 7px;
}

.tccc-bar-top {
  display: flex;
  font-size: 0.92rem;
  font-weight: 850;
  justify-content: space-between;
}

.tccc-bar-track {
  background: var(--tccc-card-2);
  border: 1px solid var(--tccc-line);
  border-radius: 999px;
  height: 12px;
  overflow: hidden;
}

.tccc-bar-fill {
  background: linear-gradient(90deg, var(--tccc-primary), var(--tccc-accent));
  border-radius: inherit;
  height: 100%;
  min-width: 3px;
  transition: width 220ms ease;
}

.tccc-table-wrap {
  overflow: hidden;
}

.tccc-table {
  border-collapse: collapse;
  margin-top: 12px;
  width: 100%;
}

.tccc-table th,
.tccc-table td {
  border-bottom: 1px solid var(--tccc-line);
  padding: 10px 0;
  text-align: left;
  vertical-align: top;
}

.tccc-table td:last-child {
  font-weight: 900;
  text-align: right;
}

[data-tccc-custom-size] {
  display: none;
}

.tccc-calculator.is-custom-size [data-tccc-custom-size] {
  display: grid;
}

@media (min-width: 680px) {
  .tccc-fields,
  .tccc-switches {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .tccc-grid {
    align-items: start;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
  }
}

@media (max-width: 620px) {
  .tccc-header {
    display: grid;
  }

  .tccc-theme-toggle,
  .tccc-button {
    width: 100%;
  }

  .tccc-result-cards {
    grid-template-columns: 1fr;
  }

  .tccc-actions {
    display: grid;
  }

  .tccc-table td,
  .tccc-table th {
    display: block;
    text-align: left !important;
  }
}