/* ============================================================================
   QuantBase — Dark Intelligence
   Private Wealth Workspace — dark, sophisticated, transparent
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,600;0,700;1,400;1,600&display=swap');

/* ------------------------------
   Reset & base
------------------------------ */
*,
*::before,
*::after { box-sizing: border-box; }

:root{
  /* Surfaces */
  --bg: #0D1420;
  --surface: #141D2E;
  --surface-2: #1A2540;

  /* Text */
  --text: #F0EDE6;
  --muted: #B8B4AA;
  --muted-2: #7A7670;

  /* Borders & shadow */
  --border: rgba(255, 255, 255, 0.10);
  --border-2: rgba(255, 255, 255, 0.20);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.30);

  /* Brand — gold */
  --primary: #C9A84C;
  --primary-hover: #B8943A;
  --primary-soft: rgba(201, 168, 76, 0.12);

  /* States */
  --danger: #ef4444;

  /* Rhythm */
  --radius: 10px;
  --radius-lg: 14px;
  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;
  --space-6: 48px;

  /* Serif font */
  --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
  --font-sans: ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
}

/* Setting background on html prevents white flash during navigation and scroll.
   The browser's paint base is now always dark, not white. */
html {
  background-color: #0D1420;
  /* Tell browser to use dark-mode defaults for scrollbars, inputs, etc. */
  color-scheme: dark;
}

html, body { height: 100%; }

body{
  margin: 0;
  color: var(--text);
  font-family: var(--font-sans);
  background: var(--bg);
  /* Static gradient — does NOT cause scroll repaints */
  background-image: radial-gradient(ellipse 100% 40% at 50% 0%, rgba(201,168,76,0.06), transparent);
  min-height: 100vh;
}

/* Gold top-line accent — promoted to compositor layer to prevent repaints */
body::before {
  content: '';
  display: block;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,168,76,0.40), transparent);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  pointer-events: none;
  /* Force GPU compositing so this never triggers a page repaint */
  transform: translateZ(0);
  will-change: transform;
}

/* ------------------------------
   Page wrapper
------------------------------ */
.page-wrapper{
  max-width: 960px;
  margin: var(--space-5) auto var(--space-6);
  padding: 0 var(--space-3);
}

/* ------------------------------
   Site header — global top bar
------------------------------ */
.site-header {
  position: relative;
  background: rgba(13,20,32,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 64px;
  padding: 0 var(--space-5);
}

.site-header--home {
  background: transparent;
  border-bottom: none;
  height: 68px;
  margin-bottom: var(--space-2);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  /* Hide until quantbase.js replaces content — prevents FOUC/blink */
  visibility: hidden;
}
.brand-logo.qb-ready {
  visibility: visible;
}

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

.brand-line1 {
  font-family: var(--font-serif);
  font-size: 1.45rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--text);
  line-height: 1;
}

.brand-line2 {
  font-size: 0.60rem;
  font-weight: 600;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* Legacy logo-i support — hide dot in dark theme */
.logo-i { position: relative; display: inline-block; }
.logo-i-dot { display: none; }

/* ------------------------------
   Back navigation — inside header
------------------------------ */
.guardian-topnav {
  position: absolute;
  right: var(--space-5);
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.80rem;
}
.guardian-topnav a {
  color: var(--primary);
  text-decoration: none;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid rgba(201,168,76,0.45);
  border-radius: 2px;
  background: transparent;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.guardian-topnav a:hover {
  background: rgba(201,168,76,0.10);
  border-color: var(--primary);
  text-decoration: none;
}
.guardian-topnav-sep { color: var(--border-2); }

/* ------------------------------
   Page hero — module title section
------------------------------ */
.page-hero {
  padding: var(--space-6) var(--space-3) var(--space-5);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--space-5);
}

.page-hero h1 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-size: 2.4rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
  line-height: 1.1;
}

.page-hero .page-lead {
  margin: 0;
  max-width: 600px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

.site-subtitle {
  margin: 0;
  max-width: 600px;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.65;
}

/* ------------------------------
   Layout & cards
------------------------------ */
.layout{
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  align-items: flex-start;
}

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow);
}

.result-card{
  flex: 1 1 760px;
  min-width: 0;
}

/* ------------------------------
   Headings in cards
------------------------------ */
.section-heading{
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 var(--space-3);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.section-heading > span:last-child{
  font-family: var(--font-serif);
}

.section-icon{
  width: 34px;
  height: 34px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
}

/* ------------------------------
   Inputs grid
------------------------------ */
.tax-inputs-grid{
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-2);
}

@media (max-width: 1024px){
  .tax-inputs-grid{ grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 768px){
  .tax-inputs-grid{ grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 560px){
  .tax-inputs-grid{ grid-template-columns: 1fr; }
}

.input-box{
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.input-box label{
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--muted-2);
}

/* Shared input base */
input[type="text"],
input[type="number"],
select,
.form-input {
  width: 100%;
  font-size: 0.95rem;
  padding: 10px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  outline: none;
  transition: box-shadow .15s ease, border-color .15s ease;
  font-family: var(--font-sans);
}

input::placeholder,
.form-input::placeholder { color: var(--muted-2); }

input:focus,
select:focus,
.form-input:focus {
  border-color: rgba(201,168,76,0.55);
  box-shadow: 0 0 0 3px rgba(201,168,76,0.12);
}

/* select arrow for dark theme */
select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%237A7670' d='M6 8L0 0h12z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

/* ------------------------------
   Advanced toggle
------------------------------ */
.advanced-inline-row{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-top: var(--space-2);
  margin-bottom: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px solid var(--border);
  color: var(--muted);
}

.advanced-toggle-btn{
  border: none;
  background: transparent;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.92rem;
  color: var(--primary);
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
}

.advanced-toggle-btn:hover{ color: var(--primary-hover); }

.advanced-toggle-icon{
  font-size: 0.9rem;
  transition: transform .18s ease;
}

.advanced-toggle-btn.is-open .advanced-toggle-icon{ transform: rotate(180deg); }

.advanced-hint{
  font-size: 0.86rem;
  color: var(--muted-2);
}

.advanced-content{
  display: none;
  margin: var(--space-2) 0 var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

/* ------------------------------
   Error
------------------------------ */
.error{
  margin-top: var(--space-2);
  color: var(--danger);
  font-size: 0.92rem;
}

/* ------------------------------
   Buttons
------------------------------ */
.button-row{
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: var(--space-3);
  margin-bottom: var(--space-3);
}

.primary-btn{
  appearance: none;
  border: 1px solid var(--primary);
  background: transparent;
  color: var(--text);
  font-size: 0.84rem;
  font-weight: 600;
  padding: 10px 24px;
  border-radius: 2px;
  cursor: pointer;
  transition: background .15s ease, color .15s ease;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.primary-btn:hover{
  background: var(--primary);
  color: #0D1420;
}

.primary-btn:active { opacity: 0.88; }

.btn-secondary{
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 500;
  padding: 9px 20px;
  border-radius: 2px;
  cursor: pointer;
  transition: border-color .15s ease, color .15s ease;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.btn-secondary:hover{
  border-color: rgba(255,255,255,0.25);
  color: var(--text);
}

/* ------------------------------
   Table
------------------------------ */
.table-wrapper{
  margin-top: var(--space-2);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: auto;
  background: var(--surface);
}

.tax-results-table{
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
  min-width: 820px;
}

.tax-results-table thead{
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.tax-results-table th,
.tax-results-table td{
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  text-align: right;
}

.tax-results-table th{
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted-2);
  font-weight: 700;
}

.tax-results-table th:first-child,
.tax-results-table td:first-child{ text-align: left; }

.tax-results-table tbody tr:hover{
  background: rgba(201,168,76,0.05);
}

/* ------------------------------
   Insights + info sections
------------------------------ */
.guardian-dot{
  width: 10px;
  height: 10px;
  border-radius: 999px;
  display: inline-block;
  flex-shrink: 0;
}

.guardian-dot-green{ background: var(--primary); }

.info-section,
#oc_insights_section{
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
  border: 1px solid var(--border);
}

.info-section-title{
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--text);
}

.info-section-list{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.info-section-list li{
  padding: 12px 12px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  color: var(--muted);
  line-height: 1.5;
}

.info-section-list li strong{
  color: var(--text);
  font-weight: 700;
}

/* ------------------------------
   Small utilities
------------------------------ */
.nowrap{ white-space: nowrap; }

/* Gold label accent (used in module headings) */
.qb-label {
  font-size: 0.70rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--primary);
}

.qb-sep {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}
.qb-sep::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ------------------------------
   Responsive
------------------------------ */
@media (max-width: 768px){
  .page-wrapper{ margin-top: var(--space-4); }
  .card{ padding: var(--space-3); }
}