/* ============================================================
   CALCSITE DESIGN SYSTEM — v4
   Inspired by EquityBinder's structure/cards, recolored red/white/blue+gold
   Display/Buttons: Poppins 700/800  ·  Body: Inter
   ============================================================ */

/* Font loading moved to <head> link tags (preconnect + non-blocking stylesheet)
   for better Core Web Vitals — @import blocks parallel resource loading. */

:root{
  --blue:        #1D4ED8;
  --blue-deep:   #0B1F4D;
  --red:         #DC2626;
  --red-light:   #FDEAEA;
  --gold:        #D4A017;
  --gold-light:  #FCF3DA;

  --bg:          #F4F6F9;
  --card:        #FFFFFF;
  --panel:       #FFFFFF;
  --panel-2:     #F6F8FA;
  --ink:         #101828;
  --ink-soft:    #5B6B7C;
  --border:      #E2E7ED;
  --border-soft: #EEF1F5;

  /* primary accent used across buttons/links/badges */
  --orange:      #1D4ED8;   /* kept var name for backward compat across pages; now blue */
  --orange-dim:  #1739A6;
  --amber:       #DC2626;

  /* per-category vibrant icon colors */
  --cat-math:      #6B5BD6;
  --cat-stats:     #2F9E6E;
  --cat-time:      #3F7FD6;
  --cat-finance:   #D4A017;
  --cat-health:    #DB4C77;
  --cat-misc:      #4A8FAE;

  --band-1: #1D4ED8; --band-2: #2F9E6E; --band-3: #D4A017; --band-4: #DC2626;

  --font-display: 'Poppins', sans-serif;
  --font-body:    'Inter', sans-serif;
  --font-mono:    'Poppins', sans-serif;

  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 2px 6px rgba(11,42,74,.06), 0 10px 24px -12px rgba(11,42,74,.14);
  --shadow-hover: 0 16px 30px -14px rgba(11,42,74,.28);
}

[data-theme="dark"]{
  --bg:          #0B1220;
  --card:        #131C2E;
  --panel:       #131C2E;
  --panel-2:     #1A2438;
  --ink:         #F5F7FA;
  --ink-soft:    #93A2B8;
  --border:      #253046;
  --border-soft: #1D2740;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{ color:inherit; text-decoration:none; }
h1,h2,h3{ font-family:var(--font-display); font-weight:800; margin:0; letter-spacing:.01em; }
p{ margin:0 0 .75em; color:var(--ink-soft); }
button{ font-family:inherit; cursor:pointer; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible{
  outline:2px solid var(--blue); outline-offset:2px;
}
@media (prefers-reduced-motion: reduce){ *{ animation-duration:.001ms !important; transition-duration:.001ms !important; } }

/* ============ TOP UTILITY BAR ============ */
.topbar{ background:var(--blue-deep); color:#cfe0ee; font-size:12px; }
.topbar-inner{
  max-width:1180px; margin:0 auto; padding:7px 20px;
  display:flex; justify-content:space-between; align-items:center; gap:10px;
}
@media (max-width:700px){ .topbar-inner span:last-child{ display:none; } }

/* ============ TOP NAV ============ */
.topnav{
  position:sticky; top:0; z-index:50;
  background:var(--blue-deep);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 4px 14px rgba(8,29,52,.18);
}
.topnav-inner{
  max-width:1180px; margin:0 auto; padding:14px 20px;
  display:flex; align-items:center; gap:24px;
}
.brand{
  font-family:var(--font-display); font-weight:800; font-size:19px; color:#fff;
  display:flex; align-items:center; gap:10px;
}
.brand-mark{
  width:32px; height:32px; border-radius:9px;
  background:linear-gradient(145deg, var(--red), #a51c1c); color:#fff;
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-mono); font-size:13px; font-weight:800;
  box-shadow:inset 0 0 0 2px rgba(255,255,255,.18);
}
.nav-cats{ display:flex; gap:2px; flex-wrap:wrap; }
.nav-cats a{
  font-family:var(--font-body); font-size:13px; font-weight:600; color:#c9daea;
  padding:8px 12px; border-radius:7px;
}
.nav-cats a:hover{ background:rgba(255,255,255,.08); color:#fff; }
.nav-search{ margin-left:auto; }
.nav-search input{
  font-family:var(--font-body); font-size:13.5px;
  border:1px solid rgba(255,255,255,.18); border-radius:9px;
  padding:9px 14px; width:210px; background:rgba(255,255,255,.1); color:#fff;
}
.nav-search input::placeholder{ color:#9fb6cb; }

.nav-hamburger{
  display:none; flex:none; width:36px; height:36px; border-radius:8px;
  border:1px solid rgba(255,255,255,.2); background:rgba(255,255,255,.08); color:#fff;
  font-size:18px; align-items:center; justify-content:center; margin-left:auto; order:2;
}
@media (max-width:760px){
  .topnav-inner{ flex-wrap:wrap; }
  .brand{ order:1; }
  .nav-hamburger{ display:flex; }
  .nav-cats{ display:none; width:100%; flex-direction:column; gap:0; order:3; }
  .nav-search{ display:none; width:100%; order:4; margin-top:10px; }
  .nav-search input{ width:100%; }
  .topnav.nav-open .nav-cats{ display:flex; }
  .topnav.nav-open .nav-search{ display:block; }
  .nav-cats a{ padding:13px 4px; border-top:1px solid rgba(255,255,255,.08); }
  .topbar-inner{ flex-direction:column; gap:2px; }
}

/* ============ CONTAINER ============ */
.wrap{ max-width:1180px; margin:0 auto; padding:0 20px; }

/* ============ HERO (home) ============ */
.hero{
  background:
    radial-gradient(ellipse 700px 400px at 85% -10%, rgba(220,38,38,.28), transparent 60%),
    radial-gradient(ellipse 600px 350px at 10% 10%, rgba(29,78,216,.35), transparent 60%),
    linear-gradient(180deg, var(--blue-deep) 0%, #071431 100%);
  color:#fff; padding:52px 20px 64px;
}
.hero-inner{ max-width:1180px; margin:0 auto; text-align:center; }
.hero-eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--font-body); font-size:12.5px; font-weight:700; letter-spacing:.1em; text-transform:uppercase;
  color:#7fa8e0; margin-bottom:16px;
}
.hero-eyebrow a{ color:#f4b0b0; font-weight:700; text-transform:none; letter-spacing:normal; }
.hero h1{ font-size:clamp(30px,4.6vw,52px); line-height:1.08; max-width:820px; margin:0 auto; }
.hero h1 .accent{ color:#7fa8e0; }
.hero p.lead{ color:#b9cee1; font-size:16.5px; max-width:560px; margin:16px auto 0; font-weight:500; }

.search-box{
  max-width:600px; margin:32px auto 0;
  background:#fff; border-radius:14px; padding:6px;
  display:flex; align-items:center; box-shadow:0 18px 40px -12px rgba(0,0,0,.4);
}
.search-box input{
  border:none; outline:none; flex:1; padding:13px 16px; font-size:15px; color:var(--ink);
  font-family:var(--font-body); background:transparent;
}
.search-box .count-pill{
  background:var(--red-light); color:var(--red); font-weight:700; font-size:12px;
  padding:8px 14px; border-radius:9px; white-space:nowrap; margin-right:4px; font-family:var(--font-body);
}

.stat-row{ display:flex; justify-content:center; gap:38px; margin-top:36px; flex-wrap:wrap; }
.stat-row div{ text-align:center; }
.stat-row .num{ font-family:var(--font-display); font-weight:800; font-size:26px; color:#fff; }
.stat-row .lab{ font-size:11px; letter-spacing:.08em; text-transform:uppercase; color:#8fa8bd; margin-top:2px; }

/* ============ CATEGORY QUICK CARDS (overlapping hero) ============ */
.cat-quick-wrap{ max-width:1180px; margin:-40px auto 0; padding:0 20px 10px; position:relative; z-index:5; }
.cat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:14px; }
.cat-card{
  background:var(--card); border-radius:var(--radius); padding:18px 16px;
  box-shadow:var(--shadow); border:1px solid var(--border);
  display:flex; gap:12px; align-items:flex-start;
  transition:transform .12s ease, box-shadow .12s ease;
}
.cat-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-hover); }
.cat-card .dot{
  width:38px; height:38px; border-radius:10px; flex:none;
  display:flex; align-items:center; justify-content:center; font-size:17px; color:#fff;
  background:var(--orange) !important;
}
.cat-card h3{ font-size:14.5px; font-weight:700; }
.cat-card .count{ font-family:var(--font-body); font-size:12px; color:var(--ink-soft); margin-top:2px; }

/* ============ FILTER CHIPS + SEARCH (homepage catalog) ============ */
.home-search{
  width:100%; max-width:480px;
  font-family:var(--font-body); font-size:15px;
  border:1.5px solid var(--border); border-radius:100px;
  padding:12px 20px; background:var(--panel-2); color:var(--ink);
  margin-bottom:16px;
}
.home-search:focus{ border-color:var(--blue); outline:none; }
.filter-chips{ display:flex; gap:8px; flex-wrap:wrap; margin:8px 0 22px; }
.filter-chip{
  font-family:var(--font-body); font-size:13px; font-weight:600;
  padding:8px 15px; border-radius:100px;
  background:#fff; color:var(--ink); border:1px solid var(--border); cursor:pointer;
  display:flex; align-items:center; gap:6px;
}
.filter-chip .dot{ width:7px; height:7px; border-radius:50%; background:var(--ink-soft); }
.filter-chip:hover{ border-color:var(--blue); }
.filter-chip.active{ background:var(--blue-deep); color:#fff; border-color:var(--blue-deep); }
.filter-chip.active .dot{ background:#7fa8e0; }
.no-results-msg{ font-family:var(--font-body); font-size:14px; color:var(--ink-soft); padding:32px 0; text-align:center; display:none; }

/* ============ TOOL CARD GRID ============ */
.tool-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(240px,1fr)); gap:16px; margin:24px 0 56px; }
.tool-card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px; box-shadow:var(--shadow);
  display:flex; flex-direction:column;
  transition:transform .12s ease, box-shadow .12s ease;
}
.tool-card:hover{ transform:translateY(-3px); box-shadow:var(--shadow-hover); }
.tool-card-top{ display:flex; align-items:flex-start; justify-content:space-between; margin-bottom:14px; }
.tool-icon{
  width:40px; height:40px; border-radius:10px; flex:none;
  display:flex; align-items:center; justify-content:center; font-size:18px; color:#fff;
}
.tool-card-badges{ display:flex; align-items:center; gap:8px; }
.tool-live-badge{
  font-family:var(--font-body); font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:.04em;
  color:var(--blue); background:rgba(29,78,216,.08); padding:4px 9px; border-radius:100px;
}
[data-theme="dark"] .tool-live-badge{ background:rgba(127,168,224,.14); }
.tool-star{ font-size:15px; color:var(--border); line-height:1; user-select:none; cursor:pointer; }
.tool-star:hover, .tool-star.active{ color:var(--gold); }
.tool-card .tool-name{ font-family:var(--font-display); font-weight:800; font-size:16px; line-height:1.32; color:var(--ink); margin-bottom:8px; }
.tool-card .tool-desc{ margin:0 0 14px; font-size:13px; color:var(--ink-soft); line-height:1.5; flex:1; }
.tool-card .tool-tag{ font-family:var(--font-body); font-weight:700; font-size:12px; margin-bottom:14px; display:block; }
.tool-card-foot{
  display:flex; align-items:center; justify-content:space-between;
  font-family:var(--font-display); font-weight:800; font-size:13px; color:var(--ink);
  padding-top:14px; border-top:1px solid var(--border-soft);
}
.tool-card:hover .tool-card-foot{ color:var(--blue); }
.tool-arrow{ transition:transform .15s ease; }
.tool-card:hover .tool-arrow{ transform:translateX(3px); }

/* ============ CALCULATOR PAGE LAYOUT ============ */
.calc-header{ padding:32px 0 8px; }
.calc-breadcrumb{ font-family:var(--font-body); font-size:13px; color:var(--ink-soft); margin-bottom:10px; }
.calc-breadcrumb a:hover{ color:var(--blue); }
.calc-header h1{ font-size:26px; color:var(--blue-deep); }
[data-theme="dark"] .calc-header h1{ color:var(--ink); }
.calc-header p.lead{ font-size:14.5px; margin-top:8px; max-width:640px; color:var(--ink-soft); }

.calc-layout{
  display:grid; grid-template-columns:minmax(320px,480px) minmax(300px,380px);
  gap:22px; align-items:start; padding:20px 0 60px;
  max-width:888px; margin:0 auto;
}
@media (max-width:860px){ .calc-layout{ grid-template-columns:1fr; max-width:none; } }

.calc-panel{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:22px; box-shadow:var(--shadow);
}
.calc-panel-head{
  font-family:var(--font-body); font-size:12.5px; font-weight:700; color:var(--blue-deep);
  text-transform:uppercase; letter-spacing:.05em; margin-bottom:14px;
}
[data-theme="dark"] .calc-panel-head{ color:var(--ink); }
.field-row{ display:grid; grid-template-columns:1fr; gap:16px; margin-bottom:14px; }
.field-row.split{ grid-template-columns:1fr 1fr; }
label{ display:block; font-family:var(--font-body); font-size:12.5px; font-weight:700; margin-bottom:5px; color:var(--ink); }
input[type=number], input[type=text], select{
  width:100%; font-family:var(--font-body); font-size:14.5px;
  border:1.5px solid var(--border); border-radius:var(--radius-sm);
  padding:10px 12px; background:#fff; color:var(--ink);
}
[data-theme="dark"] input[type=number], [data-theme="dark"] input[type=text], [data-theme="dark"] select{ background:var(--panel-2); }
input:focus, select:focus{ border-color:var(--blue); }
select option{ background:#fff; color:var(--ink); }
.unit-suffix{ font-family:var(--font-body); font-size:11.5px; color:var(--ink-soft); margin-top:4px; }

/* prefix/suffix input decoration */
.input-wrap{ position:relative; }
.input-wrap .prefix, .input-wrap .suffix{
  position:absolute; top:50%; transform:translateY(-50%); color:var(--ink-soft); font-size:13.5px; font-weight:600; pointer-events:none;
}
.input-wrap .prefix{ left:12px; }
.input-wrap .suffix{ right:12px; }
.input-wrap input.has-prefix{ padding-left:26px; }
.input-wrap input.has-suffix{ padding-right:34px; }

.btn-primary{
  background:var(--blue); color:#fff; border:none;
  padding:13px 20px; border-radius:var(--radius-sm);
  font-family:var(--font-display); font-weight:700; font-size:14.5px; width:100%; margin-top:6px;
  transition:background .15s ease;
}
.btn-primary:hover{ background:var(--orange-dim); }
.btn-reset{
  width:100%; margin-top:8px; padding:11px 20px; border-radius:var(--radius-sm);
  background:transparent; border:1.5px solid var(--border); color:var(--ink-soft);
  font-family:var(--font-body); font-weight:600; font-size:13.5px;
}
.btn-reset:hover{ border-color:var(--ink-soft); color:var(--ink); }

/* ---------- RESULT PANEL — dark gradient, matches reference exactly ---------- */
.readout{
  position:sticky; top:88px;
  background:linear-gradient(160deg, var(--blue-deep), #071431);
  color:#fff; border-radius:var(--radius); padding:22px;
  box-shadow:var(--shadow);
}
.readout-label{
  font-family:var(--font-body); font-size:12.5px; font-weight:700; letter-spacing:.05em;
  text-transform:uppercase; color:#9fc9c4; margin-bottom:14px;
}
.readout-value{
  font-family:var(--font-display); font-size:36px; font-weight:800;
  color:#fff; line-height:1.1; word-break:break-word;
}
.readout-unit{ font-family:var(--font-body); font-size:14px; font-weight:600; color:#9fc9c4; margin-left:6px; }
.readout-sub{ border-top:1px solid rgba(255,255,255,.15); padding-top:12px; margin-top:16px; }
.readout-sub .row{ display:flex; justify-content:space-between; gap:10px; padding:6px 0; font-family:var(--font-body); font-size:13px; color:#dbe8f3; }
.readout-sub .row span:first-child{ color:#b9cee1; }
.readout-sub .row span:last-child{ font-weight:700; color:#fff; }
.readout .disclaimer{ font-size:10.5px; color:#7f93a5; margin-top:14px; line-height:1.5; }

/* result-table nested inside the dark readout needs light text, not the default dark-on-light styling */
.readout .result-table td{ border-top:1px solid rgba(255,255,255,.15); color:#dbe8f3; }
.readout .result-table tr:first-child td{ border-top:1px solid rgba(255,255,255,.15); }
.readout .result-table td:first-child{ color:#b9cee1; }
.readout .result-table td:last-child{ color:#fff; }
.readout .result-table tr.primary td:last-child{ color:#ff8080; }
.readout .range-bar-labels{ color:#9fb6cb; }
.readout .range-bar-labels span.active{ color:#ff8080; }
.readout .range-bar-marker{ background:#fff; }
.readout .range-bar-marker::after{ border-top-color:#fff; }
.readout .alt-row{ color:#b9cee1; }
.readout .alt-row .alt-val{ color:#fff; }
.readout .alt-units-list{ border-top-color:rgba(255,255,255,.15); }
.readout .mini-cal-pair{ border-top-color:rgba(255,255,255,.15); }
.readout .mini-cal-label{ color:#b9cee1; }
.readout .mini-cal-grid .dow{ color:#9fb6cb; }
.readout .mini-cal-grid .day{ color:#dbe8f3; }
.readout .mini-cal-grid .day.in-month{ background:rgba(255,255,255,.06); }

/* answer data-table (light theme, used within white cards e.g. AnswerUI.dataTable) */
.result-table{ width:100%; border-collapse:collapse; margin-top:16px; font-family:var(--font-body); font-size:13.5px; }
.result-table td{ padding:10px 0; border-top:1px solid var(--border-soft); }
.result-table tr:first-child td{ border-top:1px solid var(--border); }
.result-table td:first-child{ color:var(--ink-soft); }
.result-table td:last-child{ text-align:right; font-weight:700; color:var(--ink); }
.result-table tr.primary td:last-child{ color:var(--red); font-size:15px; }

/* alt units cascading list */
.alt-units-list{ margin-top:14px; padding-top:14px; border-top:1px solid var(--border); }
.alt-row{ font-family:var(--font-body); font-size:13.5px; color:var(--ink-soft); padding:5px 0; display:flex; gap:6px; align-items:baseline; }
.alt-row .alt-or{ color:var(--ink-soft); }
.alt-row .alt-val{ font-weight:700; color:var(--ink); font-family:var(--font-display); }

/* range bar */
.range-bar-wrap{ margin-top:16px; }
.range-bar-labels{ display:flex; justify-content:space-between; font-family:var(--font-body); font-size:10px; font-weight:600; color:var(--ink-soft); margin-bottom:6px; }
.range-bar-labels span{ flex:1; text-align:center; }
.range-bar-labels span:first-child{ text-align:left; }
.range-bar-labels span:last-child{ text-align:right; }
.range-bar-labels span.active{ color:var(--red); }
.range-bar{ display:flex; height:9px; border-radius:100px; overflow:hidden; gap:2px; }
.range-bar .seg{ flex:1; }
.range-bar-marker-wrap{ position:relative; height:0; }
.range-bar-marker{ position:absolute; top:-15px; width:2px; height:16px; background:var(--ink); transform:translateX(-1px); }
.range-bar-marker::after{ content:""; position:absolute; top:-5px; left:50%; transform:translateX(-50%); width:0; height:0; border-left:5px solid transparent; border-right:5px solid transparent; border-top:6px solid var(--ink); }

/* mini calendar pair */
.mini-cal-pair{ display:flex; gap:14px; flex-wrap:wrap; margin-top:16px; padding-top:16px; border-top:1px solid var(--border); }
.mini-cal{ flex:1; min-width:190px; }
.mini-cal-label{ font-family:var(--font-body); font-size:11.5px; font-weight:600; color:var(--ink-soft); margin-bottom:8px; }
.mini-cal-grid{ display:grid; grid-template-columns:repeat(7,1fr); gap:2px; }
.mini-cal-grid .dow{ font-family:var(--font-body); font-size:9.5px; font-weight:700; color:var(--ink-soft); text-align:center; padding-bottom:4px; }
.mini-cal-grid .day{ font-family:var(--font-body); font-size:10.5px; text-align:center; padding:4px 0; border-radius:4px; color:var(--ink); }
.mini-cal-grid .day.in-month{ background:var(--panel-2); }
.mini-cal-grid .day.highlight{ background:var(--red); color:#fff; font-weight:700; }

.copy-btn{
  position:absolute; top:16px; right:16px;
  font-family:var(--font-body); font-size:11px; font-weight:700;
  padding:5px 12px; border-radius:100px;
  background:rgba(255,255,255,.12); color:#fff; border:1px solid rgba(255,255,255,.28);
}
.copy-btn:hover{ background:rgba(255,255,255,.22); }
.readout{ position:sticky; top:88px; } /* re-affirm sticky (copy-btn needs relative parent) */
.calc-layout .readout{ position:relative; }
@media (min-width:861px){ .calc-layout .readout{ position:sticky; top:88px; } }

/* ---------- INSIGHT BOX ---------- */
.insight-box{
  background:var(--gold-light); border:1px solid #ecd48a; border-radius:12px; padding:14px 16px; margin:18px 0 0;
  display:flex; gap:10px; align-items:flex-start;
}
.insight-box .ic{ font-size:16px; flex:none; }
.insight-box p{ margin:0; font-size:13px; color:#7a5a0a; line-height:1.55; }
.insight-box p b{ color:#4a3600; }

/* ---------- CHART CARD ---------- */
.chart-card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius); padding:20px;
  box-shadow:var(--shadow); margin-top:16px;
}
.chart-card h2{ font-size:13px; color:var(--blue-deep); text-transform:uppercase; letter-spacing:.05em; margin-bottom:14px; font-weight:700; }
[data-theme="dark"] .chart-card h2{ color:var(--ink); }

/* explainer / SEO copy block */
.explainer{ max-width:760px; margin-top:12px; border-top:1px solid var(--border); padding-top:32px; }
.explainer h2{ font-size:19px; margin-bottom:10px; color:var(--blue-deep); }
[data-theme="dark"] .explainer h2{ color:var(--ink); }
.explainer h3{ font-size:15px; margin:20px 0 8px; }

/* related calculators — pill chips, matches reference's related-row */
.related-calcs{ margin-top:24px; }
.related-calcs h2{
  font-size:13px; font-weight:700; color:var(--blue-deep); margin:0 0 12px;
  text-transform:uppercase; letter-spacing:.04em;
}
[data-theme="dark"] .related-calcs h2{ color:var(--ink); }
.related-calcs .tool-grid{ margin:0; }

.cat-hub-header{ padding:36px 0 10px; }
.cat-hub-header h1{ font-size:32px; color:var(--blue-deep); }
[data-theme="dark"] .cat-hub-header h1{ color:var(--ink); }
.cat-hub-header .count-line{ font-family:var(--font-body); font-size:13.5px; color:var(--ink-soft); margin-top:8px; }

/* ---------- THEME TOGGLE ---------- */
.theme-toggle{
  flex:none; width:34px; height:34px; border-radius:50%;
  border:1px solid rgba(255,255,255,.2); background:rgba(255,255,255,.1);
  font-size:14px; line-height:1; color:#fff;
  display:flex; align-items:center; justify-content:center;
}
.theme-toggle:hover{ border-color:var(--red); }
.theme-icon-dark{ display:none; }
[data-theme="dark"] .theme-icon-light{ display:none; }
[data-theme="dark"] .theme-icon-dark{ display:inline; }

/* ---------- NAV SEARCH DROPDOWN ---------- */
.search-dropdown{
  display:none; position:absolute; top:calc(100% + 8px); right:0; width:300px;
  background:#fff; border:1px solid var(--border); border-radius:var(--radius-sm);
  box-shadow:0 18px 36px -10px rgba(0,0,0,.4); overflow:hidden; z-index:100;
}
.search-dropdown.open{ display:block; }
.search-dropdown a{
  display:flex; justify-content:space-between; align-items:center; gap:10px;
  padding:10px 14px; font-family:var(--font-body); font-size:13px; color:var(--ink);
  border-bottom:1px solid var(--border-soft);
}
.search-dropdown a:last-child{ border-bottom:none; }
.search-dropdown a:hover{ background:var(--panel-2); color:var(--blue); }
.search-dropdown .sr-title{ font-weight:600; }
.search-dropdown .sr-cat{ flex:none; font-size:11px; color:var(--red); }
.search-empty{ padding:14px; font-family:var(--font-body); font-size:13px; color:var(--ink-soft); }

/* footer */
.site-footer{ background:var(--blue-deep); padding:30px 0; margin-top:40px; }
.site-footer p{ font-family:var(--font-body); font-size:12px; color:#9fb6cb; text-align:center; margin:0; }

/* utility badges — category-colored pill, color set inline per page via data */
.badge{
  display:inline-block; font-family:var(--font-body); font-size:10.5px;
  padding:4px 10px; border-radius:6px; font-weight:700; letter-spacing:.03em; text-transform:uppercase;
  background:var(--red-light) !important; color:var(--red) !important; border:none;
}

/* ============================================================
   GLOSSARY — inline term links + standalone glossary page
   ============================================================ */
.gloss-term{
  color:var(--blue); text-decoration:underline dotted; text-decoration-thickness:1px;
  text-underline-offset:3px; cursor:help; font-weight:600;
}
.gloss-term:hover{ color:var(--red); }

.gloss-tooltip{
  position:absolute; z-index:300; max-width:300px;
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius-sm);
  box-shadow:0 16px 36px -10px rgba(0,0,0,.35); padding:14px 16px;
  font-family:var(--font-body);
}
.gloss-tooltip strong{ display:block; font-family:var(--font-display); font-size:13.5px; color:var(--blue-deep); margin-bottom:6px; }
[data-theme="dark"] .gloss-tooltip strong{ color:var(--ink); }
.gloss-tooltip p{ font-size:12.5px; color:var(--ink-soft); margin:0 0 8px; line-height:1.5; }
.gloss-tooltip a{ font-size:11.5px; font-weight:700; color:var(--red); }

.glossary-hero{
  background:linear-gradient(180deg, var(--blue-deep) 0%, #071431 100%);
  color:#fff; padding:44px 20px 40px; text-align:center;
}
.glossary-hero h1{ font-size:clamp(28px,4vw,42px); color:#fff; }
.glossary-hero p{ color:#b9cee1; max-width:520px; margin:12px auto 0; }
.glossary-search-box{
  max-width:480px; margin:26px auto 0; background:#fff; border-radius:14px; padding:6px;
  display:flex; align-items:center; box-shadow:0 18px 40px -12px rgba(0,0,0,.4);
}
.glossary-search-box input{
  border:none; outline:none; flex:1; padding:12px 16px; font-size:15px; color:var(--ink);
  font-family:var(--font-body); background:transparent;
}
.glossary-count{ font-family:var(--font-body); font-size:12px; color:#8fa8bd; margin-top:12px; }

.glossary-cat-label{
  font-family:var(--font-display); font-weight:800; font-size:13px; text-transform:uppercase;
  letter-spacing:.05em; color:var(--blue-deep); margin:32px 0 14px;
}
[data-theme="dark"] .glossary-cat-label{ color:var(--ink); }
.glossary-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:14px; }
.glossary-term-card{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:16px 18px; box-shadow:var(--shadow); scroll-margin-top:100px;
  transition:box-shadow .3s ease, border-color .3s ease;
}
.glossary-term-card h3{ font-size:14.5px; margin-bottom:6px; }
.glossary-term-card p{ font-size:12.8px; margin:0; line-height:1.55; }
.glossary-highlight{ border-color:var(--red) !important; box-shadow:0 0 0 3px var(--red-light) !important; }

/* ============================================================
   REUSABLE OPTIONAL COMPONENTS — amortization/comparison tables,
   step-by-step breakdowns. Used only where they add real value.
   ============================================================ */

.amort-wrap{ max-height:340px; overflow-y:auto; border:1px solid var(--border); border-radius:var(--radius-sm); margin-top:14px; }
.amort-table{ width:100%; border-collapse:collapse; font-family:var(--font-body); font-size:12.5px; }
.amort-table thead th{
  position:sticky; top:0; background:var(--panel-2); color:var(--ink-soft);
  font-weight:700; font-size:11px; text-transform:uppercase; letter-spacing:.03em;
  text-align:right; padding:9px 12px; border-bottom:1px solid var(--border);
}
.amort-table thead th:first-child{ text-align:left; }
.amort-table td{ padding:8px 12px; text-align:right; border-bottom:1px solid var(--border-soft); color:var(--ink); }
.amort-table td:first-child{ text-align:left; font-weight:700; color:var(--ink-soft); }
.amort-table tr:last-child td{ border-bottom:none; }
.amort-table .highlight-row td{ background:rgba(29,78,216,.06); font-weight:700; }

.step-list{ margin-top:14px; }
.step-row{ display:flex; gap:12px; padding:10px 0; border-top:1px solid var(--border-soft); }
.step-row:first-child{ border-top:none; }
.step-num{
  flex:none; width:22px; height:22px; border-radius:50%; background:var(--blue); color:#fff;
  font-family:var(--font-display); font-weight:800; font-size:11px;
  display:flex; align-items:center; justify-content:center;
}
.step-label{ font-family:var(--font-body); font-weight:700; font-size:12.5px; color:var(--ink); margin-bottom:2px; }
.step-detail{ font-family:var(--font-mono); font-size:12.5px; color:var(--ink-soft); }

/* ============================================================
   KEY TERMS BOX + FAQ ACCORDION
   ============================================================ */
.key-terms-box{
  background:var(--card); border:1px solid var(--border); border-radius:var(--radius);
  padding:20px; margin-top:20px; box-shadow:var(--shadow);
}
.key-terms-box h2{ font-size:13px; text-transform:uppercase; letter-spacing:.05em; color:var(--blue-deep); margin-bottom:14px; }
[data-theme="dark"] .key-terms-box h2{ color:var(--ink); }
.key-term{ padding:10px 0; border-top:1px solid var(--border-soft); }
.key-term:first-of-type{ border-top:none; padding-top:0; }
.key-term strong{ display:block; font-family:var(--font-display); font-size:13.5px; color:var(--ink); margin-bottom:3px; }
.key-term p{ margin:0; font-size:12.5px; color:var(--ink-soft); line-height:1.5; }

.faq-list{ margin-top:16px; }
.faq-item{
  border-top:1px solid var(--border-soft); padding:14px 0;
}
.faq-item:first-child{ border-top:none; }
.faq-item summary{
  font-family:var(--font-display); font-weight:700; font-size:14px; color:var(--ink);
  cursor:pointer; list-style:none; display:flex; justify-content:space-between; align-items:center;
}
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary::after{ content:'+'; font-size:18px; color:var(--blue); flex:none; margin-left:12px; }
.faq-item[open] summary::after{ content:'−'; }
.faq-item p{ margin:10px 0 0; font-size:13px; color:var(--ink-soft); line-height:1.6; }

/* ============================================================
   BUDGET GRID — Trip Planner's editable rows-and-columns table
   ============================================================ */
.budget-grid-wrap{
  overflow-x:auto; border:1px solid var(--border); border-radius:var(--radius-sm);
  background:var(--card); box-shadow:var(--shadow); margin-bottom:16px;
}
.budget-grid{ border-collapse:collapse; width:100%; min-width:480px; }
.budget-grid th, .budget-grid td{ border:1px solid var(--border-soft); padding:0; }
.budget-grid thead th{
  position:sticky; top:0; z-index:2; background:var(--panel-2);
  font-family:var(--font-body); font-weight:700; font-size:12px; color:var(--ink-soft);
  padding:9px 8px; border-bottom:1.5px solid var(--border); white-space:nowrap;
}
.budget-grid .row-label-header{ position:sticky; left:0; z-index:3; text-align:left; min-width:170px; border-right:1.5px solid var(--border); }
.budget-grid .col-head{ min-width:110px; border-right:1px solid var(--border-soft); }
.budget-grid .col-head-inner{ display:flex; align-items:center; gap:6px; justify-content:center; }
.budget-grid .col-name-input{
  border:none; background:transparent; font-family:var(--font-body); font-weight:700; font-size:12.5px;
  color:var(--ink); text-align:center; width:80px; padding:2px;
}
.budget-grid .add-col-cell{ min-width:56px; text-align:center; border-right:none; }
.budget-grid tbody tr:nth-child(even) td{ background:var(--panel-2); }
.budget-grid tbody tr.dragging{ opacity:.4; }
.budget-grid tbody tr.drag-over td{ border-top:2px solid var(--blue); }
.budget-grid .row-label-cell{
  position:sticky; left:0; z-index:1; background:inherit;
  display:flex; align-items:center; gap:4px; padding:6px 6px 6px 4px; min-width:170px;
  border-right:1.5px solid var(--border);
}
.budget-grid tbody tr:hover .row-label-cell{ background:var(--panel-2); }
.budget-grid .row-drag-handle{
  flex:none; cursor:grab; color:var(--border); font-size:13px; letter-spacing:-2px;
  padding:0 2px; user-select:none;
}
.budget-grid .row-drag-handle:hover{ color:var(--ink-soft); }
.budget-grid .row-label-input{
  border:none; background:transparent; font-family:var(--font-body); font-weight:600; font-size:12.5px;
  color:var(--ink); width:100%; padding:2px;
}
.budget-grid .cell-input{
  width:100%; border:none; background:transparent; font-family:var(--font-body); font-size:12.5px;
  color:var(--ink); text-align:right; padding:10px 8px; box-sizing:border-box;
}
.budget-grid .cell-input::-webkit-inner-spin-button,
.budget-grid .cell-input::-webkit-outer-spin-button{ -webkit-appearance:none; margin:0; }
.budget-grid .cell-input[type=number]{ -moz-appearance:textfield; appearance:textfield; }
.budget-grid .cell-input:focus{ background:var(--panel-2); outline:1.5px solid var(--blue); outline-offset:-1.5px; }
.budget-grid .grid-remove-btn{
  flex:none; width:18px; height:18px; border-radius:50%; border:1px solid var(--border);
  background:transparent; color:var(--ink-soft); font-size:11px; line-height:1; padding:0;
}
.budget-grid .grid-remove-btn:hover{ border-color:var(--red); color:var(--red); }
.budget-grid tfoot td{
  font-family:var(--font-display); font-weight:800; font-size:13px; color:var(--ink);
  padding:10px 8px; text-align:right; border-top:2px solid var(--border);
  background:var(--panel-2);
}
.budget-grid tfoot .row-label-cell{ background:var(--panel-2); }
.add-row-btn, .add-col-btn{
  border:1.5px dashed var(--border); background:transparent; color:var(--blue);
  font-family:var(--font-body); font-weight:700; font-size:12px; border-radius:var(--radius-sm);
  padding:7px 12px; white-space:nowrap;
}
.add-row-btn{ width:100%; text-align:left; margin:8px; width:calc(100% - 16px); }
.add-col-btn{ width:36px; height:32px; }
.add-row-btn:hover, .add-col-btn:hover{ border-color:var(--blue); background:var(--panel-2); }

.grid-toolbar{ display:flex; gap:8px; margin:10px 0 16px; }
.grid-tool-btn{
  border:1px solid var(--border); background:var(--card); color:var(--ink);
  font-family:var(--font-body); font-weight:700; font-size:12.5px; border-radius:var(--radius-sm);
  padding:8px 14px; display:flex; align-items:center; gap:6px;
}
.grid-tool-btn:hover{ border-color:var(--blue); color:var(--blue); }
.grid-tool-btn.copied{ border-color:var(--band-2); color:var(--band-2); }

/* ============================================================
   UNIT TOGGLE — imperial/metric switch pill next to a field's unit
   ============================================================ */
.unit-toggle-btn{
  display:inline-block; margin-left:8px; padding:2px 9px; border-radius:100px;
  border:1px solid var(--border); background:transparent; color:var(--blue);
  font-family:var(--font-body); font-size:10.5px; font-weight:700;
}
.unit-toggle-btn:hover{ border-color:var(--blue); background:var(--panel-2); }
