@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root {
  --inflation-calculator-teal: #0D9488;
  --inflation-calculator-teal-light: #14B8A6;
  --inflation-calculator-teal-dark: #0F766E;
  --inflation-calculator-navy: #0F172A;
  --inflation-calculator-navy-mid: #1E293B;
  --inflation-calculator-white: #FFFFFF;
  --inflation-calculator-gray: #F1F5F9;
  --inflation-calculator-gray-mid: #E2E8F0;
  --inflation-calculator-text: #0F172A;
  --inflation-calculator-text-muted: #64748B;
  --inflation-calculator-red: #DC2626;
}

.inflation-calculator-wrap * { box-sizing: border-box; }

.inflation-calculator-wrap {
  font-family: 'Inter', sans-serif;
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
  color: var(--inflation-calculator-text);
}

/* Header */
.inflation-calculator-header {
  background: linear-gradient(135deg, var(--inflation-calculator-navy) 0%, var(--inflation-calculator-navy-mid) 100%);
  color: var(--inflation-calculator-white);
  padding: 40px;
  border-radius: 16px;
  text-align: center;
  margin-bottom: 20px;
}
.inflation-calculator-header-icon { font-size: 48px; margin-bottom: 12px; }
.inflation-calculator-header h2 { font-size: 30px; font-weight: 800; margin: 0 0 8px; }
.inflation-calculator-header p { font-size: 15px; opacity: 0.7; margin: 0; }

/* Top bar: currency */
.inflation-calculator-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}
.inflation-calculator-currency-field { flex: 0 0 auto; min-width: 220px; }
.inflation-calculator-cpi-note {
  font-size: 12px;
  color: var(--inflation-calculator-text-muted);
  margin: 0;
}

/* Tabs */
.inflation-calculator-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 18px;
  border-bottom: 2px solid var(--inflation-calculator-gray-mid);
}
.inflation-calculator-tab-btn {
  padding: 9px 4px;
  margin-right: 18px;
  font-size: 13px;
  font-weight: 700;
  color: var(--inflation-calculator-text-muted);
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
  font-family: inherit;
}
.inflation-calculator-tab-btn:hover { color: var(--inflation-calculator-navy); }
.inflation-calculator-tab-btn--active { color: var(--inflation-calculator-teal-dark); border-bottom-color: var(--inflation-calculator-teal); }
.inflation-calculator-tab-panel { display: none; }
.inflation-calculator-tab-panel--active { display: block; }
.inflation-calculator-hint {
  margin: 0 0 14px;
  font-size: 12.5px;
  color: var(--inflation-calculator-text-muted);
  line-height: 1.5;
}
.inflation-calculator-hint small { color: var(--inflation-calculator-text-muted); }

/* Main Grid */
.inflation-calculator-main-grid {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) {
  .inflation-calculator-main-grid { grid-template-columns: 1fr; }
}

/* Inputs Panel */
.inflation-calculator-inputs-panel {
  background: var(--inflation-calculator-white);
  border: 1px solid var(--inflation-calculator-gray-mid);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.inflation-calculator-field-group { display: flex; flex-direction: column; gap: 8px; }
.inflation-calculator-label {
  font-size: 12.5px;
  font-weight: 700;
  color: var(--inflation-calculator-navy);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.inflation-calculator-label small { text-transform: none; font-weight: 500; color: var(--inflation-calculator-text-muted); letter-spacing: 0; }

.inflation-calculator-field label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--inflation-calculator-navy);
  margin-bottom: 6px;
}
.inflation-calculator-select, .inflation-calculator-input {
  width: 100%;
  border: 1.5px solid var(--inflation-calculator-gray-mid);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--inflation-calculator-text);
  background: var(--inflation-calculator-white);
  transition: border-color .15s ease;
}
.inflation-calculator-select:focus, .inflation-calculator-input:focus { outline: none; border-color: var(--inflation-calculator-teal); }
.inflation-calculator-field-btn { display: flex; align-items: flex-end; }

.inflation-calculator-input-wrap {
  display: flex;
  align-items: center;
  border: 2px solid var(--inflation-calculator-gray-mid);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color 0.2s;
}
.inflation-calculator-input-wrap:focus-within { border-color: var(--inflation-calculator-teal); }
.inflation-calculator-prefix {
  background: var(--inflation-calculator-gray);
  padding: 12px 14px;
  font-weight: 700;
  color: var(--inflation-calculator-teal-dark);
  font-size: 15px;
}
.inflation-calculator-input-inner {
  border: none;
  outline: none;
  padding: 12px 14px;
  font-size: 16px;
  font-weight: 600;
  width: 100%;
  color: var(--inflation-calculator-navy);
  font-family: inherit;
}

/* Slider */
.inflation-calculator-slider-wrap { display: flex; align-items: center; gap: 12px; }
.inflation-calculator-slider {
  --inflation-calculator-slider-fill: 0%;
  flex: 1;
  -webkit-appearance: none;
  appearance: none;
  height: 6px;
  border-radius: 3px;
  outline: none;
  background: linear-gradient(
    to right,
    var(--inflation-calculator-teal) 0%,
    var(--inflation-calculator-teal) var(--inflation-calculator-slider-fill),
    var(--inflation-calculator-gray-mid) var(--inflation-calculator-slider-fill),
    var(--inflation-calculator-gray-mid) 100%
  );
}
.inflation-calculator-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--inflation-calculator-teal);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(13,148,136,0.4);
}
.inflation-calculator-slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border: none;
  border-radius: 50%;
  background: var(--inflation-calculator-teal);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(13,148,136,0.4);
}
.inflation-calculator-slider::-moz-range-progress {
  background: var(--inflation-calculator-teal);
  height: 6px;
  border-radius: 3px;
}
.inflation-calculator-slider::-moz-range-track {
  background: var(--inflation-calculator-gray-mid);
  height: 6px;
  border-radius: 3px;
}
.inflation-calculator-year-input {
  width: 84px;
  border: 2px solid var(--inflation-calculator-gray-mid);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 14px;
  font-weight: 600;
  text-align: center;
  color: var(--inflation-calculator-navy);
  outline: none;
  font-family: inherit;
}
.inflation-calculator-year-input:focus { border-color: var(--inflation-calculator-teal); }

/* Presets */
.inflation-calculator-presets { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.inflation-calculator-preset-btn {
  background: var(--inflation-calculator-gray);
  border: 2px solid var(--inflation-calculator-gray-mid);
  border-radius: 8px;
  padding: 8px 10px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  color: var(--inflation-calculator-navy);
  transition: all 0.2s;
  font-family: inherit;
}
.inflation-calculator-preset-btn:hover { background: var(--inflation-calculator-teal); color: var(--inflation-calculator-white); border-color: var(--inflation-calculator-teal); }

/* Calc button */
.inflation-calculator-calc-btn {
  background: var(--inflation-calculator-teal);
  color: var(--inflation-calculator-white);
  border: none;
  padding: 15px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  width: 100%;
  transition: background 0.2s;
  letter-spacing: 0.3px;
  font-family: inherit;
}
.inflation-calculator-calc-btn:hover { background: var(--inflation-calculator-teal-dark); }

.inflation-calculator-btn-ghost {
  background: var(--inflation-calculator-teal);
  color: var(--inflation-calculator-white);
  border: none;
  border-radius: 8px;
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
}
.inflation-calculator-btn-ghost:hover { background: var(--inflation-calculator-teal-dark); }
.inflation-calculator-btn-ghost--small { padding: 7px 12px; font-size: 11.5px; }
.inflation-calculator-btn-ghost--muted { background: var(--inflation-calculator-white); color: var(--inflation-calculator-text-muted); border: 1.5px solid var(--inflation-calculator-gray-mid); }
.inflation-calculator-btn-ghost--muted:hover { color: var(--inflation-calculator-red); border-color: var(--inflation-calculator-red); background: var(--inflation-calculator-white); }

/* Results panel */
.inflation-calculator-results-panel { display: flex; flex-direction: column; gap: 18px; }

.inflation-calculator-hero-card {
  background: linear-gradient(135deg, var(--inflation-calculator-navy) 0%, var(--inflation-calculator-navy-mid) 100%);
  color: var(--inflation-calculator-white);
  padding: 32px;
  border-radius: 16px;
  text-align: center;
}
.inflation-calculator-hero-label { font-size: 13px; opacity: 0.7; margin-bottom: 8px; text-transform: uppercase; letter-spacing: 0.08em; }
.inflation-calculator-hero-amount { font-size: 42px; font-weight: 800; color: var(--inflation-calculator-teal-light); margin-bottom: 8px; word-break: break-word; }
.inflation-calculator-hero-sub { font-size: 14px; opacity: 0.75; }

/* Donut */
.inflation-calculator-donut-wrap { display: flex; justify-content: center; }
.inflation-calculator-donut { max-width: 170px; height: auto; filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.15)); }
.inflation-calculator-donut-center-label { font-size: 9px; font-weight: 700; letter-spacing: 0.06em; fill: var(--inflation-calculator-text-muted); }
.inflation-calculator-donut-center-value { font-size: 20px; font-weight: 800; fill: var(--inflation-calculator-navy); }
.inflation-calculator-donut-seg { transition: stroke-dasharray 0.6s cubic-bezier(0.22, 1, 0.36, 1); }

/* Stats grid */
.inflation-calculator-stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.inflation-calculator-stat-card {
  background: var(--inflation-calculator-white);
  border: 1px solid var(--inflation-calculator-gray-mid);
  border-radius: 12px;
  padding: 14px;
  text-align: center;
}
.inflation-calculator-stat-label { font-size: 10.5px; color: var(--inflation-calculator-text-muted); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.03em; }
.inflation-calculator-stat-val { font-size: 16px; font-weight: 800; color: var(--inflation-calculator-navy); }

/* Table */
.inflation-calculator-table-wrap {
  background: var(--inflation-calculator-white);
  border: 1px solid var(--inflation-calculator-gray-mid);
  border-radius: 16px;
  padding: 20px;
}
.inflation-calculator-section-title { font-size: 15px; font-weight: 700; color: var(--inflation-calculator-navy); margin: 0 0 14px; }
.inflation-calculator-table-scroll { overflow-x: auto; max-height: 340px; overflow-y: auto; }
.inflation-calculator-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.inflation-calculator-table th {
  position: sticky;
  top: 0;
  background: var(--inflation-calculator-navy);
  color: var(--inflation-calculator-white);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.inflation-calculator-table td { padding: 9px 14px; border-bottom: 1px solid var(--inflation-calculator-gray-mid); color: var(--inflation-calculator-navy); }
.inflation-calculator-table tr:nth-child(even) td { background: var(--inflation-calculator-gray); }
.inflation-calculator-table tr:hover td { background: rgba(13,148,136,0.08); }

/* Export */
.inflation-calculator-export-row { display: flex; gap: 10px; flex-wrap: wrap; }
.inflation-calculator-export-btn {
  flex: 1;
  min-width: 100px;
  background: var(--inflation-calculator-white);
  border: 1.5px solid var(--inflation-calculator-gray-mid);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 13.5px;
  font-weight: 600;
  font-family: inherit;
  color: var(--inflation-calculator-navy);
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.inflation-calculator-export-btn:hover { border-color: var(--inflation-calculator-teal); background: var(--inflation-calculator-gray); }

/* History */
.inflation-calculator-history-toggle-btn {
  display: block;
  width: 100%;
  padding: 11px 14px;
  background: var(--inflation-calculator-white);
  color: var(--inflation-calculator-text-muted);
  border: 1.5px solid var(--inflation-calculator-gray-mid);
  border-radius: 10px;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: inherit;
  margin-top: 22px;
}
.inflation-calculator-history-toggle-btn:hover { border-color: var(--inflation-calculator-teal); color: var(--inflation-calculator-navy); background: var(--inflation-calculator-gray); }
.inflation-calculator-history-panel {
  margin-top: 14px;
  background: var(--inflation-calculator-gray);
  border: 1px solid var(--inflation-calculator-gray-mid);
  border-radius: 16px;
  padding: 20px 20px 22px;
}
.inflation-calculator-history-head { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; margin-bottom: 14px; }
.inflation-calculator-history-title { margin: 0; font-size: 15px; color: var(--inflation-calculator-navy); font-weight: 800; }
.inflation-calculator-history-head-actions { display: flex; gap: 8px; }
.inflation-calculator-history-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; }
.inflation-calculator-history-item {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--inflation-calculator-white);
  border: 1px solid var(--inflation-calculator-gray-mid);
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  color: var(--inflation-calculator-text);
  font-family: inherit;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.inflation-calculator-history-item:hover { border-color: var(--inflation-calculator-teal); box-shadow: 0 4px 12px rgba(13, 148, 136, 0.15); }
.inflation-calculator-history-item-top { display: flex; justify-content: space-between; gap: 10px; font-size: 11px; color: var(--inflation-calculator-text-muted); margin-bottom: 4px; }
.inflation-calculator-history-item-type { font-weight: 700; color: var(--inflation-calculator-teal-dark); }
.inflation-calculator-history-item-summary { font-size: 12.5px; color: var(--inflation-calculator-text-muted); margin-bottom: 3px; }
.inflation-calculator-history-item-result { font-size: 14px; font-weight: 800; color: var(--inflation-calculator-navy); }
.inflation-calculator-history-empty { margin: 6px 0 0; font-size: 13px; color: var(--inflation-calculator-text-muted); text-align: center; }
.inflation-calculator-export-card { position: absolute; left: -9999px; top: -9999px; }

.inflation-calculator-disclaimer {
  margin-top: 20px;
  font-size: 11.5px;
  color: var(--inflation-calculator-text-muted);
  line-height: 1.6;
  text-align: center;
}

@media (max-width: 640px) {
  .inflation-calculator-header { padding: 28px 20px; }
  .inflation-calculator-header h2 { font-size: 24px; }
  .inflation-calculator-hero-amount { font-size: 30px; }
  .inflation-calculator-stats-grid { grid-template-columns: repeat(2, 1fr); }
  .inflation-calculator-presets { grid-template-columns: 1fr; }
  .inflation-calculator-export-row { flex-direction: column; }
}