*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary: #f97316;
  --primary-dark: #ea6c0a;
  --bg: #f8f8f7;
  --surface: #ffffff;
  --dark: #111111;
  --dark-panel: #141414;
  --dark-card: #1e1e1e;
  --muted: #6b7280;
  --border: #e5e7eb;
  --radius: 12px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --touch-target: 44px;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--dark);
  min-height: 100vh;
  padding: 0;
  -webkit-text-size-adjust: 100%;
}

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--primary), #fb923c);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

header h1 {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.by-line {
  font-size: 11px;
  color: var(--muted);
  font-weight: 500;
  line-height: 1;
}

/* ── Layout ── */
.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 20px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

/* ── Left Panel (Inputs) ── */
.panel-left {
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.panel-title {
  font-size: 18px;
  font-weight: 700;
}

.panel-sub {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.5;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.field-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
}

.field-label {
  font-size: 14px;
  font-weight: 600;
  cursor: default;
}

.field-badge {
  background: #f3f4f6;
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 13px;
  font-weight: 600;
  color: var(--dark);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ── Slider ── */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: #e5e7eb;
  border-radius: 6px;
  outline: none;
  cursor: pointer;
  touch-action: pan-y;
  /* Increase touch target height via padding */
  padding: 12px 0;
  background-clip: content-box;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface);
  border: 2.5px solid var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

input[type="range"]::-moz-range-thumb {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--surface);
  border: 2.5px solid var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

input[type="range"]:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

/* ── Duration presets ── */
.presets {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.preset-btn {
  min-height: var(--touch-target);
  padding: 0 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #f9fafb;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  color: var(--dark);
  font-family: var(--font);
  touch-action: manipulation;
}

.preset-btn.active,
.preset-btn:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.preset-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ── Text / Number inputs ── */
.input-row {
  display: flex;
  gap: 12px;
}

.input-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 0;
}

.input-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
}

.input-with-icon {
  display: flex;
  align-items: center;
  background: #f9fafb;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  min-height: var(--touch-target);
}

.input-with-icon:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.input-icon {
  padding: 0 10px;
  font-size: 14px;
  color: var(--muted);
  background: #f3f4f6;
  align-self: stretch;
  display: flex;
  align-items: center;
  border-right: 1px solid var(--border);
  flex-shrink: 0;
  user-select: none;
}

.input-with-icon input,
.input-with-icon select {
  flex: 1;
  border: none;
  background: transparent;
  padding: 10px 12px;
  font-size: 15px;
  font-family: var(--font);
  outline: none;
  color: var(--dark);
  min-width: 0;
  width: 100%;
}

.select-wrap {
  overflow: visible;
}

.input-with-icon select {
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
}

/* ── Annual Impact ── */
.impact-card {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: var(--radius);
  padding: 16px;
}

.impact-title {
  font-size: 13px;
  font-weight: 700;
  color: #1d4ed8;
  margin-bottom: 4px;
}

.impact-sub {
  font-size: 12px;
  color: #3b82f6;
  margin-bottom: 12px;
}

.impact-tabs {
  display: flex;
  background: #fff;
  border-radius: 8px;
  padding: 3px;
  gap: 2px;
  margin-bottom: 12px;
}

.impact-tab {
  flex: 1;
  min-height: 36px;
  text-align: center;
  font-size: 13px;
  font-weight: 600;
  border-radius: 6px;
  cursor: pointer;
  border: none;
  background: transparent;
  color: var(--muted);
  font-family: var(--font);
  transition: background 0.15s, color 0.15s;
  touch-action: manipulation;
}

.impact-tab.active {
  background: #1d4ed8;
  color: #fff;
}

.impact-tab:focus-visible {
  outline: 2px solid #1d4ed8;
  outline-offset: 2px;
}

.impact-amount {
  font-size: 28px;
  font-weight: 800;
  color: #1d4ed8;
  line-height: 1.1;
}

.impact-label {
  font-size: 12px;
  color: #3b82f6;
  margin-top: 4px;
}

/* ── Right Panel (Output) ── */
.panel-right {
  background: var(--dark-panel);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  color: #fff;
  position: relative;
  overflow: hidden;
}

.panel-right::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 240px;
  height: 240px;
  background: radial-gradient(circle, rgba(249, 115, 22, 0.15), transparent 70%);
  pointer-events: none;
}

/* ── Tags row ── */
.tags-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.05);
}

.tag.danger {
  border-color: rgba(239, 68, 68, 0.4);
  color: #fca5a5;
  background: rgba(239, 68, 68, 0.1);
}

/* ── Main cost display ── */
.cost-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: rgba(255, 255, 255, 0.4);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.cost-main {
  font-size: clamp(40px, 9vw, 68px);
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  background: linear-gradient(135deg, #fff 40%, rgba(255, 255, 255, 0.6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: opacity 0.15s;
  word-break: break-all;
}

/* ── Sub-stats ── */
.sub-stats {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.sub-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
}

.sub-stat .icon {
  font-size: 14px;
}

/* ── Live ticker ── */
.ticker-wrap {
  margin-top: 2px;
}

.ticker-label {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.ticker {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(249, 115, 22, 0.1);
  border: 1px solid rgba(249, 115, 22, 0.25);
  border-radius: 8px;
  padding: 10px 14px;
  flex-wrap: wrap;
}

.ticker-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 1.2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}

.ticker-amount {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  min-width: 90px;
}

.ticker-desc {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
}

/* ── Comparisons ── */
.comparisons-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.comparisons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.comparison-card {
  background: var(--dark-card);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  padding: 12px;
  transition: border-color 0.2s;
}

.comparison-card.highlight {
  border-color: rgba(249, 115, 22, 0.4);
}

.comparison-emoji {
  font-size: 20px;
  margin-bottom: 4px;
  line-height: 1;
}

.comparison-item {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.4);
}

.comparison-count {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
}

.comparison-unit {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
}

/* ── Share button ── */
.share-btn {
  margin-top: auto;
  width: 100%;
  min-height: var(--touch-target);
  padding: 14px;
  background: var(--primary);
  border: none;
  border-radius: 10px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: background 0.15s, transform 0.1s;
  touch-action: manipulation;
}

.share-btn:hover { background: var(--primary-dark); }
.share-btn:active { transform: scale(0.98); }
.share-btn:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 3px;
}

/* ── Toast ── */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: #111;
  color: #fff;
  padding: 12px 24px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 999;
  white-space: nowrap;
  pointer-events: none;
}

.toast.show { transform: translateX(-50%) translateY(0); }

/* ── Footer ── */
footer {
  text-align: center;
  padding: 16px;
  font-size: 12px;
  color: var(--muted);
}

/* ── Mobile ── */
@media (max-width: 700px) {
  header {
    padding: 12px 16px;
  }

  header h1 {
    font-size: 18px;
  }

  .app {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 16px;
  }

  /* Show output panel first on mobile */
  .panel-right { order: -1; }

  .panel-left,
  .panel-right {
    padding: 18px 16px;
  }

  .panel-title { font-size: 16px; }

  /* Stack salary + currency vertically on mobile */
  .input-row {
    flex-direction: column;
    gap: 10px;
  }

  .cost-main {
    font-size: clamp(36px, 12vw, 56px);
    letter-spacing: -1px;
  }

  .ticker-amount {
    font-size: 18px;
    min-width: 70px;
  }

  .presets {
    gap: 8px;
  }

  .preset-btn {
    flex: 1;
    min-width: 0;
    padding: 0 8px;
    font-size: 12px;
  }

  .impact-amount {
    font-size: 24px;
  }

  .comparisons {
    grid-template-columns: 1fr 1fr;
  }

  .share-btn {
    font-size: 14px;
    padding: 16px;
  }

  .sub-stat {
    font-size: 12px;
    padding: 7px 12px;
  }

  .toast {
    font-size: 13px;
    padding: 10px 18px;
    bottom: 16px;
    max-width: calc(100vw - 32px);
    white-space: normal;
    text-align: center;
  }
}

@media (max-width: 380px) {
  .comparisons {
    grid-template-columns: 1fr;
  }

  .sub-stats {
    flex-direction: column;
    gap: 6px;
  }
}