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

body {
  background: #f1f5f9;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Inter", sans-serif;
  font-size: 1rem;
  color: #1e293b;
}

salary-calculator {
  display: block;
  max-width: 960px;
  margin: 0 auto;
}

.header {
  background: linear-gradient(135deg, #0f172a 0%, #1d4ed8 100%);
  padding: 1.4rem 1rem 1.2rem;
  text-align: center;
  color: white;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

.header h1 {
  color: white;
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-top: 0;
}

.header h2 {
  color: rgba(255, 255, 255, 0.65);
  font-size: 0.95rem;
  font-weight: 400;
  margin-top: 5px;
}

.headerYears {
  background: #172554;
  color: rgba(255, 255, 255, 0.8);
  padding: 7px 16px 7px 64px;
  display: flex;
  align-items: center;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

footer {
  padding: 16px;
  text-align: center;
  color: #64748b;
  background: #0f172a;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  margin-top: 8px;
}

/* ── Slide-panel menu content (light DOM — global styles apply) ── */

.menu-item {
  color: #f1f5f9;
  display: block;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin: 16px 16px 4px;
}

.menu-group {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 4px 8px;
  margin: 4px 16px 10px;
}

.menu-action {
  cursor: pointer;
}

.menu-action a {
  text-decoration: none;
  color: #f1f5f9;
}

.menu-action a:visited {
  color: #f1f5f9;
  text-decoration: none;
}

.menu-subitem {
  font-size: 0.9rem;
  font-weight: 400;
  color: rgba(255, 255, 255, 0.6);
  border-radius: 6px;
  padding: 7px 12px;
  transition: background 0.15s, color 0.15s;
}

.menu-subitem.menu-action:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
}

.selected {
  color: #fff !important;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.18) !important;
}

/* ── Share ── */

.share-container {
  max-width: 960px;
  margin: 0 auto 12px;
  padding: 0 12px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border: 1px solid #cbd5e1;
  border-radius: 8px;
  background: #fff;
  color: #475569;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: background 0.15s, border-color 0.15s;
}

.share-btn:hover {
  background: #f8fafc;
  border-color: #94a3b8;
}

.share-btn--primary {
  background: #1d4ed8;
  color: #fff;
  border-color: #1d4ed8;
}

.share-btn--primary:hover {
  background: #1e40af;
  border-color: #1e40af;
}

.share-btn:disabled {
  opacity: 0.65;
  cursor: default;
}

/* ── Share URL popup ── */

.popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  z-index: 200;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.popup-box {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
}

.popup-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  background: linear-gradient(90deg, #0f172a, #1d4ed8);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
}

.popup-close-btn {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.2rem;
  line-height: 1;
  padding: 2px 4px;
  cursor: pointer;
  transition: color 0.15s;
}

.popup-close-btn:hover {
  color: #fff;
}

.popup-body {
  padding: 18px;
}

.popup-body p {
  font-size: 0.875rem;
  color: #475569;
  margin-bottom: 10px;
}

#share-url-input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 8px;
  font-size: 0.78rem;
  color: #1e293b;
  font-family: monospace;
  resize: none;
  height: 72px;
  outline: none;
  background: #f8fafc;
  transition: border-color 0.15s;
}

#share-url-input:focus {
  border-color: #1d4ed8;
  background: #fff;
}

.popup-footer {
  padding: 12px 18px;
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  border-top: 1px solid #f1f5f9;
}

/* ── Ads ── */

.adsContainer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 960px;
  margin: 0 auto;
}

.adsContainer div {
  margin: 10px;
  min-height: 90px;
}

/* ── Responsive ── */

@media only screen and (min-width: 600px) {
  .header h1 {
    font-size: 1.9rem;
  }
  .header h2 {
    font-size: 1.05rem;
  }
}

@media only screen and (max-width: 768px) {
  .adsContainer {
    grid-template-columns: 1fr;
  }
  .ads2 {
    display: none;
  }
}