/* =============================================================================
   Inflation Calculator — True Theme
   Matches brand: Outfit + DM Sans, #2738d0 blue, #111 dark, border #e5e7f0
   ============================================================================= */

/* ── Hero ─────────────────────────────────────────────────────────────────── */

.tt-calc-hero {
  background: linear-gradient(135deg, #0b0e1c 0%, #111d4a 100%);
}

.tt-calc-hero__inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 80px 20px 60px;
}

.tt-calc-hero__title {
  font-family: var(--tt-font-outfit);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin: 16px 0 18px;
}

.tt-calc-hero__lead {
  font-family: var(--tt-font-body);
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.72);
  max-width: 640px;
  line-height: 1.7;
}

/* ── Section ──────────────────────────────────────────────────────────────── */

.tt-calc-section {
  background: var(--tt-white);
}

.tt-calc-section__inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: 60px 20px 100px;
  display: flex;
  flex-direction: column;
  gap: 36px;
}

/* ── Main Card ────────────────────────────────────────────────────────────── */

.tt-calc-card {
  display: grid;
  grid-template-columns: 380px 1fr;
  border: 1px solid var(--tt-border);
  border-radius: var(--tt-radius-lg);
  overflow: hidden;
  box-shadow: var(--tt-shadow-card);
}

/* ── Inputs Panel ─────────────────────────────────────────────────────────── */

.tt-calc-inputs {
  background: var(--tt-blue-pale);
  border-right: 1px solid var(--tt-border);
  padding: 36px 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tt-calc-inputs__title {
  font-family: var(--tt-font-outfit);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--tt-dark);
  margin: 0;
}

.tt-calc-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.tt-calc-label {
  font-family: var(--tt-font-outfit);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--tt-gray);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tt-calc-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.tt-calc-prefix {
  position: absolute;
  left: 14px;
  font-family: var(--tt-font-outfit);
  font-size: 1rem;
  font-weight: 600;
  color: var(--tt-gray);
  pointer-events: none;
}

.tt-calc-input {
  width: 100%;
  padding: 12px 14px 12px 28px;
  font-family: var(--tt-font-outfit);
  font-size: 1rem;
  font-weight: 600;
  color: var(--tt-dark);
  background: var(--tt-white);
  border: 1.5px solid var(--tt-border);
  border-radius: var(--tt-radius-sm);
  outline: none;
  transition: border-color 0.15s ease;
  -moz-appearance: textfield;
}

.tt-calc-input::-webkit-inner-spin-button,
.tt-calc-input::-webkit-outer-spin-button {
  -webkit-appearance: none;
}

.tt-calc-input:focus {
  border-color: var(--tt-blue);
  box-shadow: 0 0 0 3px rgba(39, 56, 208, 0.1);
}

.tt-calc-select {
  width: 100%;
  padding: 12px 36px 12px 14px;
  font-family: var(--tt-font-outfit);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--tt-dark);
  background: var(--tt-white) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14'%3E%3Cpath d='M3 5l4 4 4-4' stroke='%23555' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 12px center;
  border: 1.5px solid var(--tt-border);
  border-radius: var(--tt-radius-sm);
  appearance: none;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s ease;
}

.tt-calc-select:focus {
  border-color: var(--tt-blue);
  box-shadow: 0 0 0 3px rgba(39, 56, 208, 0.1);
}

.tt-calc-year-row {
  display: flex;
  align-items: flex-end;
  gap: 10px;
}

.tt-calc-swap {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--tt-white);
  border: 1.5px solid var(--tt-border);
  border-radius: var(--tt-radius-sm);
  color: var(--tt-gray);
  cursor: pointer;
  transition:
    border-color 0.15s ease,
    color 0.15s ease;
  margin-bottom: 0;
  align-self: flex-end;
}

.tt-calc-swap:hover {
  border-color: var(--tt-blue);
  color: var(--tt-blue);
}

/* Quick presets */
.tt-calc-presets {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

.tt-calc-presets__label {
  font-family: var(--tt-font-outfit);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--tt-gray);
  margin-right: 2px;
}

.tt-calc-preset {
  padding: 5px 12px;
  font-family: var(--tt-font-outfit);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--tt-blue);
  background: var(--tt-blue-light);
  border: 1px solid transparent;
  border-radius: var(--tt-radius-pill);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease;
}

.tt-calc-preset:hover {
  background: #dde1f8;
  border-color: var(--tt-blue);
}

/* Calculate button */
.tt-calc-btn {
  padding: 14px 28px;
  font-family: var(--tt-font-outfit);
  font-size: 0.9375rem;
  font-weight: 700;
  color: #fff;
  background: var(--tt-blue);
  border: none;
  border-radius: var(--tt-radius-sm);
  cursor: pointer;
  letter-spacing: 0.01em;
  transition:
    background 0.18s ease,
    transform 0.1s ease;
  margin-top: 4px;
}

.tt-calc-btn:hover {
  background: var(--tt-blue-hover);
}

.tt-calc-btn:active {
  transform: scale(0.98);
}

/* ── Results Panel ────────────────────────────────────────────────────────── */

.tt-calc-results {
  padding: 36px 36px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tt-calc-results__placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  text-align: center;
  color: var(--tt-gray);
  font-size: 0.9375rem;
}

.tt-calc-results__inner {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.tt-calc-results__primary {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.tt-calc-results__from {
  font-family: var(--tt-font-outfit);
  font-size: 1rem;
  font-weight: 500;
  color: var(--tt-gray);
  white-space: nowrap;
}

.tt-calc-results__arrow {
  color: var(--tt-blue);
  display: flex;
  align-items: center;
}

.tt-calc-results__value {
  font-family: var(--tt-font-outfit);
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--tt-dark);
  line-height: 1;
}

.tt-calc-results__to {
  font-family: var(--tt-font-outfit);
  font-size: 1rem;
  font-weight: 500;
  color: var(--tt-gray);
  white-space: nowrap;
}

/* Stats grid */
.tt-calc-results__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.tt-calc-results__stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px;
  background: var(--tt-blue-pale);
  border-radius: var(--tt-radius-sm);
  border: 1px solid var(--tt-border);
}

.tt-calc-results__stat-val {
  font-family: var(--tt-font-outfit);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--tt-dark);
  line-height: 1.2;
}

.tt-calc-results__stat-val.is-pos {
  color: #1a7f37;
}
.tt-calc-results__stat-val.is-neg {
  color: #c62828;
}

.tt-calc-results__stat-lbl {
  font-family: var(--tt-font-body);
  font-size: 0.75rem;
  color: var(--tt-gray);
  line-height: 1.35;
}

/* CPI comparison */
.tt-calc-results__cpi {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #f7f8ff;
  border-radius: var(--tt-radius-sm);
  border: 1px solid var(--tt-border);
  font-family: var(--tt-font-mono);
  font-size: 0.8125rem;
  color: var(--tt-gray);
}

.tt-calc-results__cpi strong {
  color: var(--tt-dark);
}

/* Error */
.tt-calc-error {
  color: #c62828;
  font-family: var(--tt-font-body);
  font-size: 0.9375rem;
  padding: 16px 20px;
  background: #fff5f5;
  border: 1px solid #fecaca;
  border-radius: var(--tt-radius-sm);
  width: 100%;
  text-align: center;
}

/* ── Chart ────────────────────────────────────────────────────────────────── */

.tt-calc-chart-wrap {
  background: var(--tt-white);
  border: 1px solid var(--tt-border);
  border-radius: var(--tt-radius-lg);
  padding: 32px 28px 24px;
  box-shadow: var(--tt-shadow-card);
}

.tt-calc-chart-title {
  font-family: var(--tt-font-outfit);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--tt-dark);
  margin: 0 0 20px;
}

.tt-calc-chart {
  position: relative;
  width: 100%;
}

.tt-chart-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Tooltip — fixed position, appended to body */
.tt-chart-tooltip {
  position: absolute;
  background: #111;
  color: #fff;
  padding: 10px 13px;
  border-radius: 8px;
  font-family: var(--tt-font-outfit);
  font-size: 0.8125rem;
  line-height: 1.5;
  pointer-events: none;
  white-space: nowrap;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 2px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.tt-chart-tooltip[hidden] {
  display: none;
}

.tt-chart-tooltip strong {
  font-size: 0.9375rem;
  font-weight: 700;
}

/* ── Breakdown ────────────────────────────────────────────────────────────── */

.tt-calc-breakdown-wrap {
  border: 1px solid var(--tt-border);
  border-radius: var(--tt-radius-lg);
  overflow: hidden;
  box-shadow: var(--tt-shadow-card);
}

.tt-calc-breakdown-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  background: var(--tt-white);
  border: none;
  font-family: var(--tt-font-outfit);
  font-size: 1rem;
  font-weight: 700;
  color: var(--tt-dark);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s ease;
}

.tt-calc-breakdown-toggle:hover {
  background: var(--tt-blue-pale);
}

.tt-calc-toggle-icon {
  color: var(--tt-gray);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.tt-calc-breakdown-toggle.is-open .tt-calc-toggle-icon {
  transform: rotate(180deg);
}

.tt-calc-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.tt-calc-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--tt-font-mono);
  font-size: 0.875rem;
}

.tt-calc-table thead {
  background: var(--tt-blue-pale);
  border-top: 1px solid var(--tt-border);
}

.tt-calc-table th {
  padding: 12px 16px;
  text-align: left;
  font-family: var(--tt-font-outfit);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--tt-gray);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.tt-calc-table td {
  padding: 10px 16px;
  border-top: 1px solid var(--tt-border);
  color: var(--tt-dark);
  white-space: nowrap;
}

.tt-calc-table tbody tr:hover {
  background: #fafbff;
}

.tt-calc-table td.is-pos {
  color: #1a7f37;
  font-weight: 600;
}
.tt-calc-table td.is-neg {
  color: #c62828;
  font-weight: 600;
}

/* ── Data note ────────────────────────────────────────────────────────────── */

.tt-calc-note {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 16px 20px;
  background: var(--tt-blue-light);
  border: 1px solid #c7cef5;
  border-radius: var(--tt-radius-sm);
}

.tt-calc-note svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.tt-calc-note p {
  font-family: var(--tt-font-body);
  font-size: 0.8125rem;
  color: #3d4db0;
  line-height: 1.5;
  margin: 0;
}

/* ── Responsive ───────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .tt-calc-card {
    grid-template-columns: 1fr;
  }

  .tt-calc-inputs {
    border-right: none;
    border-bottom: 1px solid var(--tt-border);
    padding: 28px 24px;
  }

  .tt-calc-results {
    padding: 28px 24px;
    justify-content: flex-start;
  }

  .tt-calc-results__stats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .tt-calc-hero__inner {
    padding: 48px 16px 36px;
  }

  .tt-calc-section__inner {
    padding: 32px 16px 60px;
    gap: 24px;
  }

  .tt-calc-inputs {
    padding: 24px 16px;
    gap: 16px;
  }

  .tt-calc-results {
    padding: 24px 16px;
  }

  .tt-calc-results__primary {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
  }

  .tt-calc-results__stats {
    grid-template-columns: repeat(2, 1fr);
  }

  .tt-calc-breakdown-toggle {
    padding: 16px;
  }

  .tt-calc-chart-wrap {
    padding: 20px 12px 14px;
  }
}

@media (max-width: 400px) {
  .tt-calc-results__stats {
    grid-template-columns: 1fr;
  }
}