/* Calcify (CalcifyFast) — Full Production Stylesheet (style.css) */
:root {
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #e2e8f0;
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --accent: #0d9488;
  --rose: #e11d48;
  --footer-bg: #071126;
}
html.dark {
  --bg: #0b1120;
  --surface: #111827;
  --text: #f8fafc;
  --muted: #94a3b8;
  --border: #1e293b;
  --primary: #6366f1;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}
.container { max-width: 1280px; margin: 0 auto; padding: 0 16px; }
header.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 70;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  gap: 12px;
  flex-wrap: wrap;
}
.brand-wrap {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  background: linear-gradient(135deg, #4f46e5, #7c3aed, #0d9488);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 16px rgba(79, 70, 229, 0.25);
}
.brand {
  font-family: 'Outfit', 'Plus Jakarta Sans', sans-serif;
  font-weight: 800;
  font-size: 1.35rem;
  color: var(--text);
  text-decoration: none;
  line-height: 1.1;
}
.brand-sub {
  display: block;
  font-size: 0.68rem;
  color: var(--muted);
  font-weight: 600;
}
.sticky-nav-wrap {
  position: sticky;
  top: 0;
  z-index: 65;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 14px rgba(15, 23, 42, 0.06);
}
.nav-bar {
  display: flex;
  align-items: center;
  gap: 2px;
  padding: 6px 0;
  flex-wrap: nowrap;
  overflow-x: auto;
}
.nav-item {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.nav-divider {
  color: var(--border);
  font-size: 0.75rem;
  margin: 0 2px;
  user-select: none;
}
.nav-link {
  white-space: nowrap;
  padding: 5px 8px;
  border-radius: 6px;
  font-size: 0.73rem;
  font-weight: 700;
  color: var(--muted);
  text-decoration: none;
  transition: all 0.15s ease;
}
.nav-link:hover, .nav-item:hover > .nav-link {
  background: var(--primary);
  color: #ffffff;
}
.submenu-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 330px;
  max-height: 390px;
  overflow-y: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.22);
  padding: 8px;
  z-index: 120;
}
.nav-item:hover .submenu-dropdown {
  display: block;
}
.submenu-link {
  display: flex;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text);
  text-decoration: none;
}
.submenu-link:hover {
  background: rgba(79, 70, 229, 0.1);
  color: var(--primary);
}
.mobile-nav-header {
  display: none;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
  gap: 8px;
}
.mobile-menu-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--primary);
  color: #ffffff;
  border: none;
  border-radius: 8px;
  padding: 6px 11px;
  font-size: 0.78rem;
  font-weight: 700;
  cursor: pointer;
}
@media (max-width: 960px) {
  .mobile-nav-header { display: flex; }
  .nav-bar {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 8px 0 14px;
    max-height: 74vh;
    overflow-y: auto;
    border-top: 1px solid var(--border);
  }
  .nav-bar.open { display: flex; }
  .nav-item { flex-direction: column; align-items: stretch; }
  .nav-divider { display: none; }
  .submenu-dropdown {
    position: static;
    width: 100%;
    box-shadow: none;
    margin-top: 4px;
    max-height: 220px;
  }
}
.hero {
  width: 100%;
  max-width: 100%;
  margin: 0;
  padding: 36px 20px;
  text-align: center;
  background: linear-gradient(135deg, #1e1b4b 0%, #0d1b3e 55%, #0f172a 100%);
  color: #ffffff;
  border-bottom: 1px solid rgba(99, 102, 241, 0.35);
}
.hero h1 { font-family: 'Outfit', sans-serif; font-size: 2.35rem; margin-bottom: 8px; color: #ffffff; }
.quick-calc-strip {
  width: 100%;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 10px 16px;
  margin-bottom: 20px;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.04);
}
.quick-calc-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.thin-calc-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.75rem;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.15s ease;
}
.thin-calc-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-1px);
}
.thin-calc-icon {
  width: 20px;
  height: 20px;
  border-radius: 5px;
  background: rgba(79, 70, 229, 0.12);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.thin-calc-btn:hover .thin-calc-icon {
  background: rgba(255, 255, 255, 0.2);
  color: #ffffff;
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 12px 0 26px;
}
@media (max-width: 1200px) { .card-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 960px) { .card-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 680px) { .card-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .card-grid { grid-template-columns: 1fr; } }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 11px;
  padding: 10px 11px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.18s ease;
  position: relative;
}
.card:hover { transform: translateY(-2px); border-color: var(--primary); box-shadow: 0 10px 22px rgba(79, 70, 229, 0.12); }
.card-top-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  margin-bottom: 8px;
  padding: 5px 8px;
  border-radius: 9px;
  background: linear-gradient(90deg, rgba(79, 70, 229, 0.16), rgba(139, 92, 246, 0.13), rgba(16, 185, 129, 0.18));
  border: 1px solid rgba(99, 102, 241, 0.32);
  overflow: hidden;
}
.card-top-bar[data-cat="banking-loans"], .cat-tile[data-cat="banking-loans"] { background: linear-gradient(90deg, rgba(37, 99, 235, 0.18), rgba(6, 182, 212, 0.15), rgba(79, 70, 229, 0.2)); border-color: rgba(59, 130, 246, 0.35); }
.card-top-bar[data-cat="tax-compliance"], .cat-tile[data-cat="tax-compliance"], .card-top-bar[data-cat="pay-commission-salary-tax"], .cat-tile[data-cat="pay-commission-salary-tax"] { background: linear-gradient(90deg, rgba(5, 150, 105, 0.18), rgba(20, 184, 166, 0.15), rgba(6, 182, 212, 0.2)); border-color: rgba(16, 185, 129, 0.35); }
.card-top-bar[data-cat="business-corporate"], .cat-tile[data-cat="business-corporate"] { background: linear-gradient(90deg, rgba(124, 58, 237, 0.18), rgba(168, 85, 247, 0.15), rgba(79, 70, 229, 0.2)); border-color: rgba(139, 92, 246, 0.35); }
.card-top-bar[data-cat="personal-finance"], .cat-tile[data-cat="personal-finance"], .card-top-bar[data-cat="wages-earnings"], .cat-tile[data-cat="wages-earnings"] { background: linear-gradient(90deg, rgba(13, 148, 136, 0.18), rgba(16, 185, 129, 0.15), rgba(14, 165, 233, 0.2)); border-color: rgba(20, 184, 166, 0.35); }
.card-top-bar[data-cat="mathematics-stats"], .cat-tile[data-cat="mathematics-stats"], .card-top-bar[data-cat="ev-solar-smart-utility"], .cat-tile[data-cat="ev-solar-smart-utility"] { background: linear-gradient(90deg, rgba(245, 158, 11, 0.18), rgba(249, 115, 22, 0.15), rgba(16, 185, 129, 0.2)); border-color: rgba(245, 158, 11, 0.38); }
.card-top-bar[data-cat="health-fitness"], .cat-tile[data-cat="health-fitness"], .card-top-bar[data-cat="post-office-govt-schemes"], .cat-tile[data-cat="post-office-govt-schemes"] { background: linear-gradient(90deg, rgba(225, 29, 72, 0.18), rgba(236, 72, 153, 0.15), rgba(249, 115, 22, 0.2)); border-color: rgba(244, 63, 94, 0.35); }
.card-top-bar[data-cat="engineering-build"], .cat-tile[data-cat="engineering-build"] { background: linear-gradient(90deg, rgba(234, 88, 12, 0.18), rgba(245, 158, 11, 0.15), rgba(234, 179, 8, 0.2)); border-color: rgba(249, 115, 22, 0.38); }
.card-top-bar[data-cat="converters-units"], .cat-tile[data-cat="converters-units"], .card-top-bar[data-cat="real-estate-property"], .cat-tile[data-cat="real-estate-property"] { background: linear-gradient(90deg, rgba(8, 145, 178, 0.18), rgba(14, 165, 233, 0.15), rgba(59, 130, 246, 0.2)); border-color: rgba(6, 182, 212, 0.35); }
.card-top-bar[data-cat="time-date-utility"], .cat-tile[data-cat="time-date-utility"], .card-top-bar[data-cat="ecommerce-creator-business"], .cat-tile[data-cat="ecommerce-creator-business"] { background: linear-gradient(90deg, rgba(192, 38, 211, 0.18), rgba(147, 51, 234, 0.15), rgba(236, 72, 153, 0.2)); border-color: rgba(192, 38, 211, 0.35); }
.category-overview-grid {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 8px;
  margin-top: 10px;
}
@media (max-width: 1100px) { .category-overview-grid { grid-template-columns: repeat(4, 1fr); } }
@media (max-width: 640px) { .category-overview-grid { grid-template-columns: repeat(2, 1fr); } }
.cat-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 76px;
  padding: 9px 10px;
  border-radius: 11px;
  background: linear-gradient(135deg, rgba(79, 70, 229, 0.16), rgba(16, 185, 129, 0.16));
  border: 1px solid rgba(99, 102, 241, 0.32);
  text-decoration: none;
  color: var(--text);
  overflow: hidden;
  transition: all 0.16s ease;
}
.cat-tile:hover {
  transform: translateY(-2px);
  border-color: var(--primary);
  box-shadow: 0 8px 18px rgba(79, 70, 229, 0.14);
}
.card-growth-bg {
  position: absolute;
  right: 76px;
  top: 2px;
  bottom: 2px;
  pointer-events: none;
  opacity: 0.65;
  color: var(--primary);
  display: flex;
  align-items: center;
}
.card-cat-badge {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.63rem;
  text-transform: uppercase;
  color: var(--primary);
  font-weight: 800;
  min-width: 0;
}
.card-cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: 6px;
  background: rgba(79, 70, 229, 0.14);
  border: 1px solid rgba(99, 102, 241, 0.35);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.card-cat-icon {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  background: linear-gradient(135deg, #4f46e5, #0d9488);
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.card-actions {
  position: relative;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  flex-shrink: 0;
}
.icon-action-btn {
  width: 26px;
  height: 26px;
  border-radius: 7px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.15s ease;
  position: relative;
}
.icon-action-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: rgba(79, 70, 229, 0.08);
}
.icon-action-btn.fav-active {
  border-color: #fecdd3;
  background: #fff1f2;
  color: #e11d48;
}
.icon-action-btn.fav-active svg {
  fill: #e11d48;
  stroke: #e11d48;
}
.formula-popover {
  display: none;
  position: absolute;
  left: 10px;
  right: 10px;
  bottom: calc(100% + 6px);
  background: #0f172a;
  color: #f8fafc;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.72rem;
  box-shadow: 0 14px 30px rgba(15, 23, 42, 0.35);
  z-index: 95;
  border: 1px solid rgba(99, 102, 241, 0.4);
}
.card.show-formula .formula-popover,
.icon-action-btn.formula-btn:hover + .formula-popover {
  display: block;
}
.card-title { font-family: 'Outfit', sans-serif; font-size: 0.96rem; font-weight: 700; margin: 4px 0; color: var(--text); text-decoration: none; display: block; }
.card-title:hover { color: var(--primary); }
.card-desc { font-family: 'Lora', Georgia, serif; font-size: 0.78rem; color: var(--muted); margin-bottom: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 12px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.76rem;
  border: none;
  cursor: pointer;
  text-align: center;
  transition: all 0.15s ease;
}
.btn:hover { background: var(--primary-hover); }
.btn-outline {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.calc-workspace-shell { margin: 22px 0; border-radius: 16px; }
.branded-top-banner {
  display: none;
  background: #ffffff;
  border: 2px solid var(--primary);
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 16px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.branded-bottom-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  background: #0f172a;
  color: #ffffff;
  border-radius: 12px;
  padding: 12px 18px;
  margin-top: 16px;
  font-size: 0.78rem;
}
.calc-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 22px;
  align-items: start;
}
@media (max-width: 820px) { .calc-layout { grid-template-columns: 1fr; } }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-weight: 700; margin-bottom: 5px; font-size: 0.84rem; }
.form-control {
  width: 100%;
  padding: 9px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
  font-family: monospace;
}
.form-control:disabled { opacity: 0.45; cursor: not-allowed; }
.stepup-box {
  margin-top: 14px;
  padding: 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(79, 70, 229, 0.04);
}
.stepup-box.active {
  border: 2px solid var(--primary);
  background: rgba(79, 70, 229, 0.08);
}
.stepup-radio-card {
  padding: 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  transition: all 0.15s ease;
}
.stepup-radio-card.selected {
  border: 2px solid var(--primary);
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.12);
}
.result-box {
  background: var(--surface);
  border: 2px solid var(--primary);
  border-radius: 14px;
  padding: 22px;
}
.headline-val {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 800;
  color: var(--primary);
  margin: 6px 0;
  word-break: break-word;
}
.live-age-shell {
  margin-top: 18px;
  border: 2px solid #818cf8;
  border-radius: 14px;
  overflow: hidden;
  background: linear-gradient(135deg, rgba(238,242,255,0.9), rgba(250,232,255,0.7), rgba(252,231,243,0.85));
}
html.dark .live-age-shell {
  background: linear-gradient(135deg, rgba(30,27,75,0.7), rgba(59,7,100,0.45), rgba(80,7,36,0.45));
}
.live-age-header {
  background: linear-gradient(90deg, #4f46e5, #9333ea, #db2777);
  color: #ffffff;
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 800;
}
.live-age-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(185px, 1fr));
  gap: 10px;
  padding: 12px;
}
.live-age-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.78rem;
}
.live-age-table th {
  background: #0f172a;
  color: #ffffff;
  padding: 8px 10px;
  text-align: left;
}
.live-age-table td {
  padding: 8px 10px;
  border-bottom: 1px solid rgba(99, 102, 241, 0.2);
}
.chart-bars-wrap {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
}
.chart-bar-row { margin-bottom: 8px; }
.chart-bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  margin-bottom: 3px;
  color: var(--muted);
}
.chart-bar-track {
  width: 100%;
  height: 9px;
  background: var(--border);
  border-radius: 999px;
  overflow: hidden;
}
.chart-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #4f46e5, #0d9488);
  border-radius: 999px;
}
.site-footer {
  margin-top: 64px;
  padding: 48px 0 32px;
  background: linear-gradient(135deg, #050d21 0%, #09183a 55%, #040a1a 100%);
  color: #cbd5e1;
  font-size: 0.85rem;
}
.footer-link {
  color: #94a3b8;
  text-decoration: none;
  display: inline-block;
  transition: transform 0.15s ease, color 0.15s ease;
}
.footer-link:hover {
  color: #ffffff;
  transform: translateX(4px);
}
#back-to-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 90;
  background: transparent;
  border: none;
  border-radius: 999px;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(79, 70, 229, 0.35);
}
@media print {
  @page { size: A4 landscape; margin: 8mm; }
  body { background: #ffffff !important; color: #0f172a !important; -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; }
  .no-print { display: none !important; }
  .container { max-width: 100% !important; padding: 0 !important; margin: 0 !important; }
  .calc-layout { display: grid !important; grid-template-columns: 5fr 7fr !important; gap: 16px !important; align-items: start !important; }
  .card, .result-box, .branded-top-banner, .branded-bottom-footer { break-inside: avoid !important; page-break-inside: avoid !important; }
}