.ctcc-wrap {
  --ctcc-bg: #eef1f5;
  --ctcc-card: #ffffff;
  --ctcc-card-soft: #f8fafc;
  --ctcc-text: #17202c;
  --ctcc-muted: #5d6675;
  --ctcc-border: #d9dee8;
  --ctcc-primary: #3a4758;
  --ctcc-primary-strong: #202936;
  --ctcc-accent: #708199;
  --ctcc-focus: #1d4ed8;
  --ctcc-danger: #a13434;
  --ctcc-shadow: 0 18px 45px rgba(19, 27, 40, 0.12);
  color: var(--ctcc-text);
  font-family: Arial, Helvetica, sans-serif;
  margin: 0 auto;
  max-width: 1480px;
  overflow-x: hidden;
}

.ctcc-wrap[data-theme="dark"] {
  --ctcc-bg: #111722;
  --ctcc-card: #1a2230;
  --ctcc-card-soft: #131b27;
  --ctcc-text: #f4f7fb;
  --ctcc-muted: #b8c0cf;
  --ctcc-border: #344155;
  --ctcc-primary: #b9c4d6;
  --ctcc-primary-strong: #e5ecf7;
  --ctcc-accent: #8ea1bd;
  --ctcc-focus: #93c5fd;
  --ctcc-danger: #fca5a5;
  --ctcc-shadow: 0 20px 50px rgba(0, 0, 0, 0.35);
}

.ctcc-wrap * {
  box-sizing: border-box;
}

.ctcc-shell {
  background: linear-gradient(145deg, var(--ctcc-bg), var(--ctcc-card-soft));
  border: 1px solid var(--ctcc-border);
  border-radius: 24px;
  box-shadow: var(--ctcc-shadow);
  padding: 16px;
}

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

.ctcc-eyebrow {
  color: var(--ctcc-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin: 0 0 6px;
  text-transform: uppercase;
}

.ctcc-header h2 {
  color: var(--ctcc-text);
  font-size: clamp(1.45rem, 4vw, 2.45rem);
  line-height: 1.1;
  margin: 0;
}

.ctcc-theme-toggle,
.ctcc-button {
  align-items: center;
  appearance: none;
  background: var(--ctcc-card);
  border: 1px solid var(--ctcc-border);
  border-radius: 14px;
  color: var(--ctcc-text);
  cursor: pointer;
  display: inline-flex;
  font-size: 0.95rem;
  font-weight: 700;
  gap: 8px;
  justify-content: center;
  min-height: 44px;
  padding: 10px 14px;
  text-decoration: none;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.ctcc-theme-toggle:hover,
.ctcc-button:hover {
  border-color: var(--ctcc-accent);
  box-shadow: 0 10px 22px rgba(27, 35, 48, 0.12);
  transform: translateY(-1px);
}

.ctcc-theme-toggle:focus-visible,
.ctcc-button:focus-visible,
.ctcc-field input:focus-visible,
.ctcc-field select:focus-visible,
.ctcc-switch input:focus-visible + span {
  outline: 3px solid var(--ctcc-focus);
  outline-offset: 3px;
}

.ctcc-status {
  color: var(--ctcc-danger);
  font-size: 0.95rem;
  min-height: 24px;
}

.ctcc-layout {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.ctcc-card {
  background: var(--ctcc-card);
  border: 1px solid var(--ctcc-border);
  border-radius: 22px;
  box-shadow: 0 10px 30px rgba(18, 25, 36, 0.08);
  padding: 16px;
}

.ctcc-section {
  border-bottom: 1px solid var(--ctcc-border);
  margin-bottom: 18px;
  padding-bottom: 18px;
}

.ctcc-section:last-of-type {
  border-bottom: 0;
}

.ctcc-section h3,
.ctcc-chart-card h3,
.ctcc-breakdown-card h3 {
  color: var(--ctcc-text);
  font-size: 1.05rem;
  margin: 0 0 14px;
}

.ctcc-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}

.ctcc-field {
  color: var(--ctcc-muted);
  display: flex;
  flex-direction: column;
  font-size: 0.88rem;
  font-weight: 700;
  gap: 7px;
}

.ctcc-field input,
.ctcc-field select {
  background: var(--ctcc-card-soft);
  border: 1px solid var(--ctcc-border);
  border-radius: 14px;
  color: var(--ctcc-text);
  font-size: 1rem;
  min-height: 46px;
  padding: 10px 12px;
  width: 100%;
}

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

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

.ctcc-unit-input span {
  color: var(--ctcc-muted);
  flex: 0 0 auto;
  font-weight: 800;
  padding: 0 12px;
}

.ctcc-toggle-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  margin-top: 14px;
}

.ctcc-switch {
  cursor: pointer;
  display: block;
  position: relative;
}

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

.ctcc-switch span {
  align-items: center;
  background: var(--ctcc-card-soft);
  border: 1px solid var(--ctcc-border);
  border-radius: 999px;
  color: var(--ctcc-text);
  display: flex;
  font-size: 0.92rem;
  font-weight: 700;
  gap: 10px;
  min-height: 46px;
  padding: 10px 14px;
}

.ctcc-switch span::before {
  background: var(--ctcc-border);
  border-radius: 999px;
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.25);
  content: "";
  height: 22px;
  width: 42px;
}

.ctcc-switch input:checked + span::before {
  background: linear-gradient(90deg, var(--ctcc-primary), var(--ctcc-accent));
}

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

.ctcc-button-primary {
  background: var(--ctcc-primary-strong);
  border-color: var(--ctcc-primary-strong);
  color: #ffffff;
}

.ctcc-button-ghost {
  background: transparent;
}

.ctcc-results {
  display: grid;
  gap: 16px;
}

.ctcc-result-hero {
  background: linear-gradient(145deg, var(--ctcc-primary-strong), var(--ctcc-primary));
  color: #ffffff;
}

.ctcc-result-hero span,
.ctcc-result-hero p {
  color: rgba(255, 255, 255, 0.82);
  margin: 0;
}

.ctcc-result-hero strong {
  display: block;
  font-size: clamp(2rem, 8vw, 3.6rem);
  line-height: 1.05;
  margin: 10px 0;
  overflow-wrap: anywhere;
}

.ctcc-metric-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.ctcc-mini span {
  color: var(--ctcc-muted);
  display: block;
  font-size: 0.85rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.ctcc-mini strong {
  color: var(--ctcc-text);
  display: block;
  font-size: 1.28rem;
  overflow-wrap: anywhere;
}

.ctcc-chart-card canvas {
  display: block;
  height: auto;
  max-width: 100%;
  width: 100%;
}

.ctcc-table-wrap {
  overflow-x: auto;
  width: 100%;
}

.ctcc-table {
  border-collapse: collapse;
  min-width: 100%;
  width: 100%;
}

.ctcc-table th,
.ctcc-table td {
  border-bottom: 1px solid var(--ctcc-border);
  color: var(--ctcc-text);
  padding: 12px 8px;
  text-align: left;
}

.ctcc-table th:last-child,
.ctcc-table td:last-child {
  text-align: right;
}

.ctcc-table th {
  color: var(--ctcc-muted);
  font-size: 0.84rem;
  text-transform: uppercase;
}

@media (min-width: 640px) {
  .ctcc-shell {
    padding: 22px;
  }

  .ctcc-grid,
  .ctcc-metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ctcc-toggle-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .ctcc-layout {
    align-items: start;
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.75fr);
  }

  .ctcc-card {
    padding: 20px;
  }
}

@media (min-width: 1320px) {
  .ctcc-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media print {
  .ctcc-theme-toggle,
  .ctcc-actions,
  .ctcc-form {
    display: none !important;
  }

  .ctcc-wrap,
  .ctcc-shell,
  .ctcc-card {
    box-shadow: none !important;
  }

  .ctcc-layout {
    display: block;
  }
}