/* ============================================================
   KANETHIC CALCULATOR PORTAL — Shared Brand Styles
   Kanethic Private Limited | ARN-254247
   ============================================================ */
:root {
  --kanethic-navy: #1E3A8A;
  --kanethic-navy-deep: #1E40AF;
  --kanethic-gold: #F59E0B;
  --kanethic-gold-light: #FCD34D;
  --kanethic-bg: #FFFBEB;
  --kanethic-white: #FFFFFF;
  --kanethic-text: #1F2937;
  --kanethic-muted: #6B7280;
  --kanethic-success: #059669;
  --kanethic-danger: #DC2626;
  --kanethic-border: #E5E7EB;
  --shadow-card: 0 4px 20px rgba(30, 58, 138, 0.08);
  --radius: 14px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', 'Noto Sans Gujarati', system-ui, sans-serif;
  background: var(--kanethic-bg);
  color: var(--kanethic-text);
  font-size: 15.5px;
  line-height: 1.6;
  min-height: 100vh;
}

h1, h2, h3, h4 { font-family: 'Poppins', 'Noto Sans Gujarati', sans-serif; color: var(--kanethic-navy); line-height: 1.25; }

.guj { font-family: 'Noto Sans Gujarati', sans-serif; }

/* ---------- Header ---------- */
.k-header {
  background: var(--kanethic-white);
  border-bottom: 3px solid var(--kanethic-gold);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 12px rgba(30,58,138,.06);
}
.k-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.k-logo img { height: 56px; width: auto; }
.k-logo-text .brand {
  font-family: 'Poppins', sans-serif;
  font-weight: 800;
  font-size: 22px;
  color: var(--kanethic-navy);
  letter-spacing: 0.5px;
}
.k-logo-text .tagline { font-size: 11.5px; color: var(--kanethic-muted); letter-spacing: 0.3px; }
.k-logo-text .tagline b { color: var(--kanethic-gold); }
.k-header-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.k-arn { font-size: 11px; color: var(--kanethic-muted); text-align: right; line-height: 1.4; }
.k-user-chip {
  background: var(--kanethic-bg);
  border: 1px solid var(--kanethic-border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12.5px;
  color: var(--kanethic-navy);
  font-weight: 600;
  max-width: 220px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ---------- Buttons ---------- */
.k-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: 'Poppins', 'Noto Sans Gujarati', sans-serif;
  font-weight: 600;
  font-size: 15px;
  padding: 12px 26px;
  border-radius: 10px;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
  text-decoration: none;
}
.k-btn-gold { background: linear-gradient(135deg, var(--kanethic-gold), var(--kanethic-gold-light)); color: var(--kanethic-navy); box-shadow: 0 4px 14px rgba(245,158,11,.35); }
.k-btn-gold:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,158,11,.45); }
.k-btn-navy { background: var(--kanethic-navy); color: #fff; }
.k-btn-navy:hover { background: var(--kanethic-navy-deep); transform: translateY(-2px); }
.k-btn-ghost { background: transparent; color: var(--kanethic-navy); border: 1.5px solid var(--kanethic-border); padding: 8px 16px; font-size: 13px; }
.k-btn-ghost:hover { border-color: var(--kanethic-gold); color: var(--kanethic-gold); }
.k-btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }

/* ---------- Cards ---------- */
.k-card {
  background: var(--kanethic-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  padding: 26px;
  border: 1px solid rgba(229,231,235,.6);
}

/* ---------- Login page ---------- */
.login-wrap {
  min-height: calc(100vh - 90px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  background:
    radial-gradient(900px 420px at 85% -10%, rgba(245,158,11,.12), transparent 60%),
    radial-gradient(800px 420px at -10% 110%, rgba(30,58,138,.10), transparent 60%),
    var(--kanethic-bg);
}
.login-card { width: 100%; max-width: 420px; padding: 36px 32px; }
.login-card h1 { font-size: 24px; margin-bottom: 4px; }
.login-sub { color: var(--kanethic-muted); font-size: 13.5px; margin-bottom: 26px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13px; font-weight: 600; color: var(--kanethic-navy); margin-bottom: 6px; }
.field input {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--kanethic-border);
  border-radius: 10px;
  font-size: 15px;
  font-family: inherit;
  transition: border-color .3s;
  background: #fff;
}
.field input:focus { outline: none; border-color: var(--kanethic-gold); box-shadow: 0 0 0 3px rgba(245,158,11,.15); }
.login-error {
  display: none;
  background: #FEF2F2;
  border-left: 4px solid var(--kanethic-danger);
  color: var(--kanethic-danger);
  font-size: 13px;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
}
.setup-note {
  background: #FFF7E6;
  border-left: 4px solid var(--kanethic-gold);
  font-size: 12.5px;
  color: #92400E;
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 18px;
  display: none;
}

/* ---------- Dashboard ---------- */
.dash-hero { text-align: center; padding: 44px 20px 28px; }
.dash-hero h1 { font-size: clamp(26px, 4.5vw, 38px); }
.dash-hero .guj-line { color: var(--kanethic-gold); font-weight: 700; font-size: 17px; margin-top: 6px; }
.dash-hero p.sub { color: var(--kanethic-muted); max-width: 620px; margin: 10px auto 0; font-size: 14.5px; }

.calc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(255px, 1fr));
  gap: 20px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 10px 22px 56px;
}
.calc-tile {
  background: var(--kanethic-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(229,231,235,.6);
  border-top: 4px solid var(--kanethic-gold);
  padding: 24px 22px;
  text-decoration: none;
  color: inherit;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calc-tile:hover { transform: translateY(-5px); box-shadow: 0 10px 30px rgba(30,58,138,.14); border-top-color: var(--kanethic-navy); }
.calc-tile .icon {
  width: 46px; height: 46px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(30,58,138,.08), rgba(245,158,11,.14));
  display: flex; align-items: center; justify-content: center;
  font-size: 23px;
}
.calc-tile h3 { font-size: 16.5px; }
.calc-tile .guj-name { font-size: 12.5px; color: var(--kanethic-gold); font-weight: 600; }
.calc-tile p { font-size: 12.5px; color: var(--kanethic-muted); line-height: 1.5; }
.calc-tile .go { margin-top: auto; font-size: 12.5px; font-weight: 700; color: var(--kanethic-navy); }
.calc-tile:hover .go { color: var(--kanethic-gold); }

/* ---------- Calculator page ---------- */
.calc-layout {
  max-width: 1180px;
  margin: 0 auto;
  padding: 26px 22px 60px;
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 24px;
  align-items: start;
}
.calc-title-bar { max-width: 1180px; margin: 0 auto; padding: 30px 22px 0; display: flex; justify-content: space-between; align-items: flex-end; gap: 14px; flex-wrap: wrap; }
.calc-title-bar h1 { font-size: clamp(22px, 3.5vw, 30px); }
.calc-title-bar .guj-sub { color: var(--kanethic-gold); font-weight: 700; font-size: 15px; }

.input-row { margin-bottom: 22px; }
.input-row .lbl { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; gap: 10px; }
.input-row .lbl span { font-size: 13px; font-weight: 600; color: var(--kanethic-navy); }
.input-row .lbl input {
  width: 140px;
  padding: 7px 10px;
  border: 1.5px solid var(--kanethic-border);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--kanethic-navy);
  font-family: 'Poppins', sans-serif;
  text-align: right;
}
.input-row .lbl input:focus { outline: none; border-color: var(--kanethic-gold); }
input[type="range"] {
  width: 100%;
  -webkit-appearance: none;
  height: 6px;
  border-radius: 999px;
  background: linear-gradient(to right, var(--kanethic-gold) var(--fill, 50%), #ECEAE2 var(--fill, 50%));
  cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--kanethic-navy);
  border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(30,58,138,.4);
  cursor: pointer;
  transition: transform .2s;
}
input[type="range"]::-webkit-slider-thumb:hover { transform: scale(1.15); }
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px; border-radius: 50%;
  background: var(--kanethic-navy); border: 3px solid #fff;
  box-shadow: 0 2px 8px rgba(30,58,138,.4); cursor: pointer;
}

.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(165px, 1fr)); gap: 14px; margin-bottom: 22px; }
.stat-card {
  background: var(--kanethic-white);
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--kanethic-gold);
  padding: 16px 18px;
}
.stat-card.hero-stat { border-top-color: var(--kanethic-navy); background: linear-gradient(135deg, var(--kanethic-navy), var(--kanethic-navy-deep)); }
.stat-card.hero-stat .s-label { color: rgba(255,255,255,.75); }
.stat-card.hero-stat .s-value { color: var(--kanethic-gold-light); }
.stat-card.hero-stat .s-words { color: rgba(255,255,255,.85); }
.stat-card .s-label { font-size: 11.5px; font-weight: 600; color: var(--kanethic-muted); text-transform: uppercase; letter-spacing: .4px; }
.stat-card .s-value { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: clamp(18px, 2.2vw, 24px); color: var(--kanethic-navy); margin-top: 2px; }
.stat-card .s-value.green { color: var(--kanethic-success); }
.stat-card .s-value.red { color: var(--kanethic-danger); }
.stat-card .s-words { font-size: 11.5px; color: var(--kanethic-muted); }

.chart-card { position: relative; min-height: 340px; }
.chart-card canvas { max-height: 360px; }

.tip-box {
  background: var(--kanethic-bg);
  border-left: 4px solid var(--kanethic-gold);
  border-radius: 10px;
  padding: 16px 18px;
  margin-top: 20px;
  font-size: 13.5px;
}
.tip-box b { color: var(--kanethic-navy); }

.cta-strip {
  max-width: 1180px;
  margin: 0 auto 40px;
  padding: 0 22px;
}
.cta-inner {
  background: linear-gradient(135deg, var(--kanethic-navy), var(--kanethic-navy-deep));
  border-radius: var(--radius);
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: #fff;
}
.cta-inner h3 { color: #fff; font-size: 19px; }
.cta-inner p { color: rgba(255,255,255,.8); font-size: 13px; margin-top: 4px; }

/* ---------- AMFI Footer ---------- */
.amfi-footer {
  background: var(--kanethic-bg);
  border-top: 1px solid var(--kanethic-border);
  padding: 28px 24px 36px;
  font-size: 11.5px;
  color: var(--kanethic-muted);
  line-height: 1.7;
}
.amfi-inner { max-width: 1100px; margin: 0 auto; }
.amfi-disclaimer {
  border-left: 4px solid var(--kanethic-navy);
  background: #fff;
  padding: 12px 16px;
  border-radius: 8px;
  margin-bottom: 14px;
  font-weight: 700;
  color: var(--kanethic-text);
  font-size: 12px;
}
.amfi-inner p { margin-bottom: 8px; }
.amfi-inner b { color: var(--kanethic-navy); }

/* ---------- Auth visibility ---------- */
body.needs-auth > .page-content { visibility: hidden; }
body.needs-auth.authed > .page-content { visibility: visible; }
.demo-banner {
  display: none;
  background: var(--kanethic-danger);
  color: #fff;
  text-align: center;
  font-size: 12.5px;
  font-weight: 600;
  padding: 8px 14px;
}
body.demo-mode .demo-banner { display: block; }

/* ---------- Result table ---------- */
.result-table-wrap { overflow-x: auto; margin-top: 18px; }
table.result-table { width: 100%; border-collapse: collapse; font-size: 13.5px; background: #fff; border-radius: 10px; overflow: hidden; box-shadow: var(--shadow-card); }
table.result-table th { background: var(--kanethic-navy); color: #fff; padding: 11px 14px; text-align: right; font-family: 'Poppins', sans-serif; font-weight: 600; font-size: 12.5px; }
table.result-table th:first-child { text-align: left; }
table.result-table td { padding: 10px 14px; text-align: right; border-bottom: 1px solid var(--kanethic-border); font-variant-numeric: tabular-nums; }
table.result-table td:first-child { text-align: left; font-weight: 600; color: var(--kanethic-navy); }
table.result-table tr:nth-child(even) td { background: #FCFBF7; }
table.result-table tr.highlight td { background: rgba(245,158,11,.14); font-weight: 700; }
table.result-table tr:hover td { background: rgba(30,58,138,.05); }

/* ---------- Print-only inputs summary ---------- */
.print-inputs { display: none; }
.print-brand { display: none; }

/* ---------- Animations ---------- */
@keyframes fadeUp { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: translateY(0); } }
.fade-up { animation: fadeUp .5s ease both; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

/* ---------- Responsive ---------- */
@media (max-width: 920px) {
  .calc-layout { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .k-header { padding: 12px 16px; }
  .k-logo img { height: 44px; }
  .k-logo-text .brand { font-size: 18px; }
  .k-arn { display: none; }
  .calc-grid { padding: 10px 16px 44px; }
  .calc-layout { padding: 20px 16px 48px; }
}

/* ---------- Print (A4) — professional report layout ---------- */
@media print {
  @page { size: A4 portrait; margin: 12mm; }
  * { -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important; animation: none !important; opacity: 1 !important; }
  body { background: #fff !important; font-size: 10.5pt; min-height: auto !important; }

  /* hide all screen chrome */
  .no-print, .k-btn, input[type="range"], .cta-strip, .demo-banner,
  .k-header, .input-row input, #inputsCard, .calc-title-bar button { display: none !important; }

  /* compact print-only brand header */
  .print-brand { display: flex !important; align-items: center; justify-content: space-between;
    border-bottom: 2px solid var(--kanethic-gold); padding-bottom: 8px; margin-bottom: 14px; }
  .print-brand .pb-name { font-family: 'Poppins', sans-serif; font-weight: 800; font-size: 18px; color: var(--kanethic-navy); letter-spacing: .5px; }
  .print-brand .pb-tag { font-size: 9.5px; color: var(--kanethic-muted); }
  .print-brand .pb-arn { font-size: 9.5px; color: var(--kanethic-muted); text-align: right; }

  /* print-only inputs summary */
  .print-inputs { display: block !important; background: #FFFBEB; border: 1px solid var(--kanethic-border);
    border-left: 4px solid var(--kanethic-gold); border-radius: 8px; padding: 10px 14px; margin-bottom: 14px; font-size: 10pt; }
  .print-inputs h4 { font-size: 11pt; margin-bottom: 4px; color: var(--kanethic-navy); }
  .print-inputs span { display: inline-block; margin-right: 18px; }
  .print-inputs b { color: var(--kanethic-navy); }

  .calc-title-bar { padding: 0; margin-bottom: 6px; display: block; }
  .calc-title-bar h1 { font-size: 18pt; }
  .calc-layout { display: block; padding: 0; }
  .stats-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
  .k-card, .stat-card, .chart-card { box-shadow: none !important; border: 1px solid var(--kanethic-border); page-break-inside: avoid; break-inside: avoid; }
  .chart-card { min-height: auto; padding: 14px; }
  .chart-card canvas { max-height: 300px !important; }
  table.result-table { box-shadow: none; page-break-inside: avoid; }
  .tip-box { page-break-inside: avoid; }
  .amfi-footer { page-break-inside: avoid; margin-top: 12px; padding: 12px 0 0; border-top: 1px solid var(--kanethic-border); }
  .print-line { display: block !important; text-align: center; font-size: 9px; color: var(--kanethic-muted); margin-top: 8px; }
}
.print-line { display: none; }