/* ==========================================================================
   MyBMI Tools — "Paper & Ink" design system
   A warm editorial look: paper canvas, serif headlines, ink result panels.
   ========================================================================== */

:root{
  --bg:#faf6ef;
  --surface:#ffffff;
  --surface-2:#f4ece0;
  --surface-3:#efe6d8;
  --ink:#1a1917;
  --ink-soft:#413c35;
  --muted:#7b7369;
  --line:#e6ddcf;
  --line-strong:#d6c9b6;
  --accent:#dd4f38;
  --accent-dark:#b93a25;
  --accent-soft:#fdece8;
  --accent-ring:rgba(221,79,56,.22);
  --teal:#0d6b60;
  --teal-soft:#e6f3f0;
  --gold:#a97c22;
  --on-ink:#f7f2e9;
  --on-ink-soft:#c9c0b2;
  --shadow-sm:0 1px 2px rgba(26,25,23,.05);
  --shadow-md:0 2px 4px rgba(26,25,23,.04), 0 14px 34px -22px rgba(26,25,23,.45);
  --shadow-lg:0 30px 60px -40px rgba(26,25,23,.55);
  --r-sm:10px;
  --r-md:14px;
  --r-lg:20px;
  --serif:ui-serif, "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono:ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
}

html[data-theme="dark"], body[data-theme="dark"]{
  --bg:#12110f;
  --surface:#1b1a17;
  --surface-2:#232120;
  --surface-3:#2b2825;
  --ink:#f5f0e8;
  --ink-soft:#d8d0c4;
  --muted:#968d81;
  --line:#332f2a;
  --line-strong:#443f38;
  --accent:#ff6b4a;
  --accent-dark:#ff8a70;
  --accent-soft:#2a1a15;
  --accent-ring:rgba(255,107,74,.28);
  --teal:#48c3ad;
  --teal-soft:#142a26;
  --gold:#d8ad55;
  --on-ink:#141311;
  --on-ink-soft:#4a453e;
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow-md:0 2px 6px rgba(0,0,0,.35), 0 18px 40px -26px rgba(0,0,0,.9);
  --shadow-lg:0 30px 60px -40px rgba(0,0,0,.95);
}

html[data-theme="ocean"], body[data-theme="ocean"]{
  --bg:#f1f8fb;
  --surface:#ffffff;
  --surface-2:#e6f2f7;
  --surface-3:#dcecf4;
  --ink:#0a2532;
  --ink-soft:#284a5c;
  --muted:#5a7686;
  --line:#d3e5ee;
  --line-strong:#b7d4e2;
  --accent:#0f7fa8;
  --accent-dark:#0a5f80;
  --accent-soft:#e2f2f9;
  --accent-ring:rgba(15,127,168,.22);
  --teal:#0b6f72;
  --teal-soft:#dff2f3;
  --gold:#b07d24;
  --on-ink:#f2fbff;
  --on-ink-soft:#b6d2df;
}

html[data-theme="forest"], body[data-theme="forest"]{
  --bg:#f5f8f1;
  --surface:#ffffff;
  --surface-2:#eaf2e3;
  --surface-3:#e0ecd6;
  --ink:#15251a;
  --ink-soft:#37503c;
  --muted:#66786a;
  --line:#dbe7d1;
  --line-strong:#c3d6b5;
  --accent:#2f7a46;
  --accent-dark:#205a33;
  --accent-soft:#e7f3e6;
  --accent-ring:rgba(47,122,70,.22);
  --teal:#7a5a12;
  --teal-soft:#f3ecda;
  --gold:#a57c1f;
  --on-ink:#f6fbf2;
  --on-ink-soft:#c4d6bf;
}

*, *::before, *::after{ box-sizing:border-box; }

body{
  margin:0; padding:0; background:var(--bg); color:var(--ink);
  font-family:var(--sans); font-size:16px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  background-image:
    radial-gradient(900px 420px at 12% -8%, rgba(221,79,56,.09), transparent 60%),
    radial-gradient(760px 380px at 88% 0%, rgba(13,107,96,.08), transparent 60%);
  background-repeat:no-repeat;
}
p, td, div, span, input, th, li, textarea, select, button, label{ font-family:inherit; color:var(--ink); }
p{ margin:8px 0 12px; }
img{ border:0; max-width:100%; height:auto; }
a{ color:var(--accent); text-decoration:none; text-underline-offset:3px; }
a:hover{ text-decoration:underline; }
sup{ font-size:11px; }
strong, b{ font-weight:650; }
:focus-visible{ outline:3px solid var(--accent-ring); outline-offset:2px; border-radius:6px; }

/* ---------- type ---------- */
h1{ font-family:var(--serif); font-size:clamp(30px, 4.2vw, 44px); line-height:1.1; letter-spacing:-.02em; font-weight:600; color:var(--ink); margin:6px 0 14px; }
h2{ font-family:var(--serif); font-size:clamp(21px, 2.4vw, 27px); line-height:1.2; letter-spacing:-.015em; font-weight:600; color:var(--ink); margin:38px 0 12px; }
h2:first-child{ margin-top:0; }
h3{ font-family:var(--sans); font-size:17.5px; font-weight:680; letter-spacing:-.005em; color:var(--ink); margin:30px 0 8px; }
h2.sec{ display:flex; align-items:center; gap:10px; }
h2.sec::before{ content:""; width:22px; height:3px; border-radius:2px; background:var(--accent); flex:none; }
h1 em{ font-style:italic; color:var(--accent); }

/* ---------- header ---------- */
#headerout{
  position:sticky; top:0; z-index:60;
  background:linear-gradient(180deg, rgba(24,23,21,.97), rgba(24,23,21,.94));
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 12px 30px -24px rgba(0,0,0,.8);
  text-align:left;
}
#header{
  max-width:1180px; margin:0 auto; padding:0 22px; min-height:66px;
  display:flex; align-items:center; gap:20px; flex-wrap:wrap; text-align:left;
}
#logo{ float:none; padding:0; }
#logo a{
  display:inline-flex; align-items:center; gap:10px;
  color:#fdf8ef; text-decoration:none; font-family:var(--serif);
  font-size:20px; font-weight:600; letter-spacing:-.01em;
}
#logo a:hover{ text-decoration:none; }
#logo .mark{
  display:inline-grid; place-items:center; width:32px; height:32px; border-radius:10px;
  background:linear-gradient(140deg, #ff7a5c, var(--accent) 60%, var(--accent-dark));
  color:#fff; font-family:var(--sans); font-size:15px; font-weight:750;
  box-shadow:0 6px 16px -8px rgba(221,79,56,.9);
}
.topnav{ position:static; display:flex; align-items:center; gap:2px; flex-wrap:wrap; margin-left:6px; }
.topnav a{
  color:rgba(253,248,239,.66); font-family:var(--sans); font-size:12.5px; font-weight:600;
  letter-spacing:.07em; text-transform:uppercase; padding:8px 11px; border-radius:999px;
  text-decoration:none; transition:background .16s, color .16s;
}
.topnav a:hover{ color:#fff; background:rgba(255,255,255,.1); text-decoration:none; }
.topnav a.on{ color:#fff; background:rgba(221,79,56,.92); }
.sitetools{ margin-left:auto; display:flex; align-items:center; gap:10px; position:static; }
.sitetools label{ color:rgba(253,248,239,.6); font-size:12px; text-transform:uppercase; letter-spacing:.08em; }
.toolchip{ display:inline-flex; align-items:center; gap:8px; }
.theme-select{
  appearance:none; background:rgba(255,255,255,.1); color:#fdf8ef; border:1px solid rgba(255,255,255,.18);
  border-radius:999px; padding:7px 30px 7px 12px; font-size:12.5px; font-weight:600; cursor:pointer;
  background-image:linear-gradient(45deg, transparent 50%, #fdf8ef 50%), linear-gradient(135deg, #fdf8ef 50%, transparent 50%);
  background-position:calc(100% - 15px) 14px, calc(100% - 10px) 14px;
  background-size:5px 5px, 5px 5px; background-repeat:no-repeat;
}
.theme-select:hover{ background-color:rgba(255,255,255,.16); }

/* ---------- frame ---------- */
#contentout{
  max-width:1180px; margin:0 auto; padding:34px 22px 0;
  display:flex; align-items:flex-start; gap:34px; flex-wrap:wrap; text-align:left;
}
#content{ flex:1 1 620px; min-width:0; float:none; width:auto; padding:0 0 28px; }
#right{ flex:0 0 318px; width:318px; float:none; text-align:left; }
#clear{ display:none; }
#breadcrumbs{ font-size:11.5px; text-transform:uppercase; letter-spacing:.1em; color:var(--muted); margin:0 0 16px; font-weight:600; }
#breadcrumbs a{ color:var(--muted); text-decoration:none; }
#breadcrumbs a:hover{ color:var(--accent); }
#printit{ float:right; margin:0 0 8px 14px; }
#printit a{
  display:inline-flex; align-items:center; gap:6px; font-size:12px; font-weight:650; letter-spacing:.04em;
  text-transform:uppercase; color:var(--ink-soft); background:var(--surface); border:1px solid var(--line);
  padding:7px 12px; border-radius:999px; text-decoration:none; box-shadow:var(--shadow-sm);
}
#printit a:hover{ border-color:var(--line-strong); color:var(--ink); }
#insmdc{
  background:var(--surface-2); color:var(--ink-soft); border-left:3px solid var(--accent);
  border-radius:var(--r-sm); padding:10px 14px; margin:0 0 12px;
  font-size:13px; letter-spacing:.01em;
}

/* ---------- calculator card ---------- */
.grid2{ display:grid; grid-template-columns:minmax(0,1.02fr) minmax(0,.98fr); gap:22px; align-items:start; margin:22px 0 8px; }
.grid2 > div{ min-width:0; }
.panel{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:20px 20px 18px; box-shadow:var(--shadow-md);
}
.panel table{ border-collapse:collapse; width:100%; }
.panel td{ padding:7px 0; vertical-align:middle; border:0; }
.panel td.lbl{ font-size:14px; color:var(--ink-soft); font-weight:600; width:44%; padding-right:10px; }
.panel .small{ font-size:12.5px; color:var(--muted); margin-left:4px; }
.panel input.wide{ width:100%; }
.btnrow{ display:flex; gap:10px; align-items:center; justify-content:flex-end; margin-top:16px; padding-top:14px; border-top:1px dashed var(--line); }

input[type=text], input[type=number], input[type=date], input[type=time], input[type=search], input[type=url], input[type=email], select, textarea{
  width:100%; max-width:220px; font-family:var(--sans); font-size:15px; color:var(--ink);
  background:var(--surface); border:1px solid var(--line-strong); border-radius:var(--r-sm);
  padding:10px 12px; box-shadow:none; transition:border-color .15s, box-shadow .15s, background .15s;
}
input[type=text]:hover, input[type=number]:hover, select:hover{ border-color:var(--muted); }
input[type=text]:focus, input[type=number]:focus, input[type=date]:focus, input[type=time]:focus, select:focus, textarea:focus{
  outline:none; border-color:var(--accent); box-shadow:0 0 0 4px var(--accent-ring);
}
textarea{ max-width:100%; min-height:110px; line-height:1.55; }
input.err{ background:#ffecec; border-color:#cc5040; }
.infull{ width:180px !important; } .inhalf{ width:70px !important; } .inshort{ width:84px !important; } .inshort2{ width:100px !important; }
.uinput{ display:inline-flex; align-items:center; gap:6px; margin-right:10px; }
.uinput .u{ font-size:12.5px; color:var(--muted); white-space:nowrap; }
.uinput .inhalf{ width:64px !important; }

input[type=submit], .btn-primary{
  appearance:none; border:0; cursor:pointer;
  background:linear-gradient(150deg, #f26449, var(--accent) 55%, var(--accent-dark));
  color:#fff; font-family:var(--sans); font-size:15px; font-weight:700; letter-spacing:.01em;
  padding:12px 24px; border-radius:12px;
  box-shadow:0 10px 22px -14px rgba(221,79,56,.95), inset 0 1px 0 rgba(255,255,255,.22);
  transition:transform .12s ease, box-shadow .16s ease, filter .16s;
}
input[type=submit]:hover, .btn-primary:hover{ transform:translateY(-1px); filter:saturate(1.08); box-shadow:0 14px 26px -14px rgba(221,79,56,1), inset 0 1px 0 rgba(255,255,255,.22); }
input[type=submit]:active, .btn-primary:active{ transform:translateY(0); }
input[type=button], .toolbtn{
  appearance:none; cursor:pointer; background:var(--surface); color:var(--ink-soft);
  border:1px solid var(--line-strong); font-size:13.5px; font-weight:600;
  padding:9px 14px; border-radius:11px; margin:0; transition:background .15s, border-color .15s, color .15s;
}
input[type=button]:hover, .toolbtn:hover{ background:var(--surface-2); color:var(--ink); border-color:var(--muted); }
.toolbtn{ background:var(--surface); }

.cbcontainer{ display:inline-flex; align-items:center; position:relative; padding-left:26px; margin:5px 0; cursor:pointer; font-size:15px; user-select:none; }
.cbcontainer input{ position:absolute; opacity:0; height:0; width:0; }
.cbmark, .rbmark{
  position:absolute; top:50%; left:0; transform:translateY(-50%); height:17px; width:17px; background:var(--surface);
  border:1.5px solid var(--line-strong); border-radius:5px; transition:background .15s, border-color .15s;
}
.rbmark{ border-radius:50%; }
.cbcontainer input:checked ~ .cbmark, .cbcontainer input:checked ~ .rbmark{ background:var(--accent); border-color:var(--accent); }
.cbcontainer input:checked ~ .cbmark::after{
  content:""; position:absolute; left:4px; top:1px; width:6px; height:9px;
  border:solid #fff; border-width:0 2px 2px 0; transform:rotate(42deg);
}
.cbcontainer input:checked ~ .rbmark::after{ content:""; position:absolute; inset:4px; border-radius:50%; background:#fff; }
.cbcontainer input:focus-visible ~ .cbmark{ box-shadow:0 0 0 4px var(--accent-ring); }

#unitarea{ margin-top:4px; }
#unitarea .unitrow{ background:var(--surface-2); border-radius:var(--r-sm); padding:4px 8px; }
#otherunits{ display:none; }
#otherunits .convrow{ margin:8px 0 10px; }
#otherunits label{ display:inline-block; width:64px; font-size:14px; color:var(--ink-soft); }
#otherunits .convout{ font-size:12.5px; color:var(--muted); padding:3px 0 0 64px; }
#otherunits .convinput{ width:110px !important; }
#otherunits select.convunit{ width:132px !important; }

/* ---------- result panel ---------- */
.h2result{
  font-family:var(--sans); font-size:11.5px; text-transform:uppercase; letter-spacing:.14em;
  color:var(--accent); font-weight:700; margin:0 0 10px; padding:0 0 8px;
  border-bottom:1px solid var(--line); background:none;
}
.resultbox{
  position:relative; overflow:hidden;
  background:linear-gradient(165deg, #262320 0%, #1b1a17 62%, #171614 100%);
  color:var(--on-ink); border:1px solid rgba(255,255,255,.08); border-radius:var(--r-lg);
  padding:22px; box-shadow:var(--shadow-lg);
}
.resultbox::after{
  content:""; position:absolute; inset:auto -40% -70% 40%; height:220px;
  background:radial-gradient(closest-side, rgba(221,79,56,.32), transparent);
  pointer-events:none;
}
.resultbox h3{
  margin:0 0 10px; font-family:var(--sans); font-size:11.5px; font-weight:700;
  letter-spacing:.14em; text-transform:uppercase; color:var(--on-ink-soft);
}
.resultbox p{ margin:6px 0; color:var(--on-ink); position:relative; z-index:1; }
.resultbox .muted{ color:var(--on-ink-soft); font-size:13px; }
.resultbox .big{
  font-family:var(--mono); font-size:clamp(24px, 3vw, 31px); font-weight:600; color:#fff;
  letter-spacing:-.02em; margin:2px 0 8px; line-height:1.15;
}
.resultbox table{ width:100%; border-collapse:collapse; margin-top:10px; position:relative; z-index:1; font-size:12.5px; }
.resultbox tr{ border-bottom:1px solid rgba(255,255,255,.09); }
.resultbox tr:last-child{ border-bottom:0; }
.resultbox td{ padding:7px 4px 7px 0; font-size:12.5px; color:var(--on-ink-soft); border:0; vertical-align:top; }
.resultbox td.v{ text-align:right; font-family:var(--mono); font-size:12.5px; font-weight:600; color:#fff; white-space:nowrap; padding-right:0; padding-left:8px; }
.resultbox th{ font-size:10px; text-transform:uppercase; letter-spacing:.06em; color:var(--on-ink-soft); font-weight:600; padding:0 4px 7px 0; border-bottom:1px solid rgba(255,255,255,.14); white-space:nowrap; }
.resultbox th.v{ text-align:right; padding-right:0; padding-left:8px; }
.resultbox ol, .resultbox ul{ position:relative; z-index:1; padding-left:18px; margin:8px 0; }
.resultbox li, #content .resultbox li{ margin:6px 0; font-size:13px; line-height:1.6; color:var(--on-ink); }
.resultbox li b, .resultbox li strong{ color:#fff; }
.resultbox code{ background:rgba(255,255,255,.1); padding:1px 5px; border-radius:5px; }
.resultbox a{ color:#ffb3a0; }
.resultbox.err{ background:linear-gradient(165deg,#3b1a16,#2a1310); border-color:rgba(255,107,74,.4); }
.resultbox.err h3{ color:#ffb3a0; }
.resultbox.err p{ color:#ffe3dc; }
.bigtext{ font-size:17px; margin-top:6px; }
.resultstats{ margin:8px 0 0; padding-left:18px; }
.resultstats li{ padding:2px 0; }
.errmsg{ background:var(--accent-soft); border:1px solid var(--accent-ring); color:var(--accent-dark); padding:8px 10px; margin-top:10px; font-size:13.5px; border-radius:var(--r-sm); }

/* ---------- long-form content ---------- */
#content > p{ max-width:70ch; color:var(--ink-soft); font-size:16.5px; }
#content > h2.sec + p, #content > h3 + p{ max-width:74ch; }
#content ul, #content ol{ padding-left:22px; max-width:74ch; }
#content li{ margin:6px 0; color:var(--ink-soft); }
#content li b, #content li strong{ color:var(--ink); }
#content table{ border-collapse:collapse; }
table.cinfoT{ width:100%; margin:14px 0; font-size:14.5px; border-radius:var(--r-md); overflow:hidden; box-shadow:var(--shadow-sm); }
table.cinfoT td.cinfoHd, table.cinfoT td.cinfoHdL{ background:var(--ink); color:var(--on-ink); font-weight:650; padding:10px 12px; border:0; }
table.cinfoT td{ border-bottom:1px solid var(--line); padding:9px 12px; color:var(--ink-soft); }
table.cinfoT tr:nth-child(odd){ background:var(--surface); }
table.cinfoT tr:nth-child(even){ background:var(--surface-2); }
.formula{ text-align:center; font-family:var(--mono); background:var(--surface-2); border:1px solid var(--line); border-radius:var(--r-md); padding:14px; margin:14px 0; overflow-x:auto; }
.chartwrap{ text-align:center; background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md); padding:12px; margin:14px 0; }
.chartwrap svg{ max-width:100%; height:auto; }
.disclaimer{
  font-size:13px; color:var(--muted); line-height:1.6;
  background:var(--surface-2); border:1px solid var(--line); border-left:3px solid var(--line-strong);
  border-radius:var(--r-sm); padding:14px 16px; margin:28px 0 6px; max-width:none;
}
.note{ font-size:13px; color:var(--muted); margin-top:8px; }
.muted{ color:var(--muted); font-size:13px; }
.small{ font-size:13px; }
.formula-inline{ font-family:var(--mono); font-size:.94em; background:var(--surface-2); border:1px solid var(--line); border-radius:6px; padding:1px 5px; }

/* ---------- deep-dive blocks (how to use / FAQ / related) ---------- */
.deepdive{ margin-top:12px; }
.howto{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:20px 22px; margin:26px 0 0; box-shadow:var(--shadow-sm);
}
.howto h2{ margin:0 0 4px; font-size:21px; }
.howto .lede{ color:var(--muted); font-size:14px; margin:0 0 12px; }
.howto ol{ counter-reset:step; list-style:none; padding:0; margin:0; max-width:none; }
.howto li{
  counter-increment:step; position:relative; padding:9px 0 9px 42px; margin:0;
  border-top:1px solid var(--line); color:var(--ink-soft); font-size:15px; max-width:none;
}
.howto li:first-child{ border-top:0; }
.howto li::before{
  content:counter(step); position:absolute; left:0; top:8px;
  width:26px; height:26px; border-radius:50%; display:grid; place-items:center;
  background:var(--accent-soft); color:var(--accent-dark); font-family:var(--mono);
  font-size:12.5px; font-weight:700; border:1px solid var(--accent-ring);
}
.faq{ margin:30px 0 0; }
.faq details{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md);
  padding:2px 18px; margin-bottom:10px; box-shadow:var(--shadow-sm); transition:border-color .16s;
}
.faq details[open]{ border-color:var(--line-strong); }
.faq summary{
  cursor:pointer; font-family:var(--sans); font-weight:650; font-size:15.5px; color:var(--ink);
  padding:14px 26px 14px 0; position:relative; list-style:none;
}
.faq summary::-webkit-details-marker{ display:none; }
.faq summary::after{
  content:"+"; position:absolute; right:0; top:50%; transform:translateY(-50%);
  color:var(--accent); font-size:22px; font-weight:400; line-height:1;
}
.faq details[open] summary::after{ content:"–"; }
.faq .answer{ font-size:14.5px; color:var(--ink-soft); padding:0 0 16px; }
.faq .answer p:last-child{ margin-bottom:0; }
.related{ margin:34px 0 0; padding-top:22px; border-top:1px solid var(--line); }
.related h2{ font-size:20px; margin:0 0 12px; }
.related-grid{ display:flex; flex-wrap:wrap; gap:10px; }
.related-grid a{
  display:inline-flex; align-items:center; gap:8px; background:var(--surface); border:1px solid var(--line);
  color:var(--ink); text-decoration:none; font-size:14px; font-weight:600; padding:10px 14px;
  border-radius:999px; box-shadow:var(--shadow-sm); transition:border-color .15s, transform .12s;
}
.related-grid a::after{ content:"→"; color:var(--accent); font-weight:700; }
.related-grid a:hover{ border-color:var(--accent); transform:translateY(-1px); text-decoration:none; }
.updated{ font-size:12px; color:var(--muted); margin:26px 0 0; letter-spacing:.02em; }

/* ---------- sidebar ---------- */
#searchbox{ width:100%; border-collapse:separate; border-spacing:0 8px; padding:0; }
#searchbox td{ padding:0; }
#searchbox input{ width:100%; max-width:none; border-radius:12px; padding:11px 14px; }
#searchbox td:last-child{ width:auto; padding-left:6px; }
#searchbox tr:first-child td:first-child{ width:100%; }
#bluebtn{
  display:inline-block; background:var(--ink); color:var(--on-ink); border-radius:12px;
  padding:11px 16px; font-size:13px; font-weight:650; letter-spacing:.04em; cursor:pointer;
  text-transform:uppercase; white-space:nowrap;
}
#bluebtn:hover{ background:var(--accent); color:#fff; }
#searchout{ text-align:left; font-size:13.5px; padding:2px 0; }
#searchout a{ display:block; padding:7px 10px; border-radius:8px; color:var(--ink); text-decoration:none; }
#searchout a:hover{ background:var(--surface-2); text-decoration:none; }
#othercalc{
  border:1px solid var(--line); border-radius:var(--r-lg); background:var(--surface);
  margin:22px 0 0; text-align:left; width:100%; overflow:hidden; box-shadow:var(--shadow-sm);
}
#octitle{ background:var(--surface-2); padding:14px 16px; color:var(--ink); font-family:var(--serif); font-size:17px; font-weight:600; border-bottom:1px solid var(--line); }
#octitle a{ color:var(--ink); text-decoration:none; }
#occontent{ padding:8px; font-size:14px; }
#occontent a{ display:block; width:100%; padding:8px 10px; font-size:14px; color:var(--ink-soft); text-decoration:none; border-radius:9px; }
#occontent a:hover{ background:var(--surface-2); color:var(--ink); }
#ocother{ background:var(--surface-2); padding:12px 14px; text-align:left; font-size:12.5px; color:var(--muted); border-top:1px solid var(--line); }
#ocother a{ color:var(--muted); }
.calc-tools{ border:1px solid var(--line); border-radius:var(--r-lg); background:var(--surface); margin:16px 0 0; text-align:left; width:100%; overflow:hidden; box-shadow:var(--shadow-sm); }
.calc-tools-title{ background:var(--surface-2); color:var(--ink); padding:12px 16px; font-weight:650; font-size:13px; text-transform:uppercase; letter-spacing:.08em; border-bottom:1px solid var(--line); }
.calc-tools-row{ padding:12px 14px; display:flex; flex-wrap:wrap; gap:8px; }

/* ---------- home ---------- */
.hero{
  display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr); gap:26px;
  align-items:stretch; margin:2px 0 20px;
}
.hero-copy h1{ margin:10px 0 14px; font-size:clamp(34px, 4.6vw, 52px); }
.eyebrow{
  display:inline-flex; align-items:center; gap:8px; font-size:11.5px; font-weight:700;
  letter-spacing:.12em; text-transform:uppercase; color:var(--accent-dark); margin:0;
}
.eyebrow::before{ content:""; width:24px; height:2px; background:var(--accent); border-radius:2px; }
.hero-lede{ font-size:17.5px; color:var(--ink-soft); max-width:54ch; margin:0 0 20px; }
.hero-actions{ display:flex; flex-wrap:wrap; gap:10px; }
/* compact home hero: the copy, the finder, then the tools */
.hero.hero-compact{ grid-template-columns:1fr; gap:14px; margin:2px 0 14px; }
.hero.hero-compact .hero-copy h1{ margin:8px 0 10px; }
.hero.hero-compact .hero-lede{ margin:0; max-width:64ch; }
.hero.hero-compact .smartfinder{ margin:0; padding:18px 20px; }
.finder-label{ display:block; font-size:11.5px; font-weight:700; letter-spacing:.1em; text-transform:uppercase; color:var(--muted); }
.popular-head{ display:flex; align-items:baseline; justify-content:space-between; gap:14px; margin:26px 0 0; }
.popular-head h2{ margin:0; }
.popular-all{ font-size:13.5px; font-weight:650; color:var(--accent-dark); text-decoration:none; }
.popular-all:hover{ text-decoration:underline; }
.your-tools{ margin:34px 0 6px; }
.your-tools > h2{ margin:0 0 4px; }
@media (min-width: 981px){
  .hero.hero-compact .smartfinder input{ max-width:760px; }
}
.btn-ghost{
  display:inline-flex; align-items:center; gap:8px; text-decoration:none;
  background:var(--surface); color:var(--ink); border:1px solid var(--line-strong);
  padding:12px 20px; border-radius:12px; font-size:15px; font-weight:650; box-shadow:var(--shadow-sm);
}
.btn-ghost:hover{ border-color:var(--accent); color:var(--accent-dark); text-decoration:none; }
.hero-card{
  background:linear-gradient(165deg,#262320,#1a1917 65%,#151412); color:var(--on-ink);
  border-radius:22px; padding:24px; box-shadow:var(--shadow-lg);
  display:flex; flex-direction:column; justify-content:center; position:relative; overflow:hidden;
}
.hero-card::after{ content:""; position:absolute; inset:auto -30% -60% 30%; height:200px; background:radial-gradient(closest-side, rgba(221,79,56,.4), transparent); }
.hero-card-label{ font-size:10.5px; text-transform:uppercase; letter-spacing:.14em; color:var(--on-ink-soft); font-weight:700; }
.hero-card-value{ font-family:var(--mono); font-size:36px; font-weight:600; letter-spacing:-.03em; margin:8px 0 4px; color:#fff; }
.hero-card-value span{ font-size:20px; color:var(--on-ink-soft); }
.hero-card-caption{ font-size:13.5px; color:var(--on-ink-soft); line-height:1.55; margin:0 0 14px; }
.hero-card a{ color:#ffb3a0; font-size:13.5px; font-weight:650; text-decoration:none; position:relative; z-index:1; }
.hero-card a:hover{ text-decoration:underline; }
.hero-stats{
  display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:1px;
  background:var(--line); border:1px solid var(--line); border-radius:var(--r-lg);
  overflow:hidden; margin:0 0 30px;
}
.hero-stats > div{ background:var(--surface); padding:16px 18px; }
.hero-stats b{ display:block; font-family:var(--serif); font-size:24px; font-weight:600; letter-spacing:-.02em; color:var(--ink); line-height:1.1; }
.hero-stats span{ font-size:12px; color:var(--muted); text-transform:uppercase; letter-spacing:.06em; }

.homecats{ display:grid; grid-template-columns:repeat(auto-fit, minmax(230px,1fr)); gap:12px; margin:16px 0 10px; }
.homecat{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md);
  padding:16px 18px; text-decoration:none; color:var(--ink); display:block;
  box-shadow:var(--shadow-sm); transition:transform .14s, border-color .14s, box-shadow .14s;
}
.homecat:hover{ transform:translateY(-2px); border-color:var(--accent); box-shadow:var(--shadow-md); text-decoration:none; }
.homecat b{ display:block; font-family:var(--serif); font-size:17px; font-weight:600; color:var(--ink); margin-bottom:3px; }
.homecat span{ font-size:13px; color:var(--muted); line-height:1.5; }

.calclist{ display:grid; grid-template-columns:repeat(auto-fill, minmax(268px, 1fr)); gap:12px; margin:12px 0 26px; }
.calccard{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-md);
  padding:16px 18px 15px; text-decoration:none; color:var(--ink); display:block;
  box-shadow:var(--shadow-sm); transition:transform .14s, border-color .14s, box-shadow .14s;
  position:relative;
}
.calccard::after{ content:"→"; position:absolute; right:16px; top:15px; color:var(--accent); font-size:15px; opacity:0; transform:translateX(-4px); transition:opacity .14s, transform .14s; }
.calccard:hover{ transform:translateY(-2px); border-color:var(--accent); box-shadow:var(--shadow-md); text-decoration:none; }
.calccard:hover::after{ opacity:1; transform:translateX(0); }
.calccard b{ display:block; color:var(--ink); font-size:15.5px; font-weight:650; margin:0 0 4px; text-decoration:none; }
.calccard span{ font-size:13.5px; color:var(--muted); line-height:1.5; display:block; padding-right:8px; }

.smartfinder{
  background:linear-gradient(160deg, var(--surface), var(--surface-2));
  border:1px solid var(--line); border-radius:var(--r-lg); padding:22px;
  margin:6px 0 24px; box-shadow:var(--shadow-sm);
}
.smartfinder h2{ margin:0 0 4px !important; font-size:22px !important; }
.smartfinder input{ width:100%; max-width:100%; padding:13px 15px; font-size:15.5px; margin-top:10px; background:var(--surface); }
.home-panels{ display:grid; grid-template-columns:repeat(auto-fit, minmax(260px,1fr)); gap:12px; margin:8px 0 6px; }
.home-panel{ border:1px solid var(--line); background:var(--surface); border-radius:var(--r-md); padding:16px 18px; box-shadow:var(--shadow-sm); }
.home-panel h2{ margin:0 0 8px !important; font-size:18px !important; }
.home-panel .calclist{ display:block; margin:0; }
.home-panel .calclist > *{ display:block; padding:6px 0; border-top:1px solid var(--line); font-size:14px; }
.home-panel .calclist > *:first-child{ border-top:0; }
/* entries inside these panels are plain rows, not cards */
.home-panel .calclist .calccard{
  background:transparent; border:0; border-top:1px solid var(--line); border-radius:0;
  box-shadow:none; padding:8px 0; margin:0;
}
.home-panel .calclist .calccard:first-child{ border-top:0; padding-top:0; }
.home-panel .calclist .calccard:hover{ transform:none; box-shadow:none; }
.home-panel .calclist .calccard::after{ content:none; }
.home-panel .calclist .calccard b{ font-size:14.5px; margin:0 0 2px; }
.home-panel .calclist .calccard span{ font-size:13px; }
.history-item{ border-top:1px solid var(--line); padding:8px 0; font-size:13.5px; color:var(--ink-soft); }
.history-item:first-child{ border-top:0; }

/* ---------- footer ---------- */
#footer{
  background:linear-gradient(180deg, #201e1b, #161513); color:var(--on-ink-soft);
  padding:34px 0; font-size:13px; text-align:left; margin-top:44px;
}
#footerin{ max-width:1180px; margin:0 auto; padding:0 22px; display:flex; flex-wrap:wrap; gap:10px 26px; align-items:center; justify-content:space-between; }
#footer a{ color:#e9e2d6; text-decoration:none; }
#footer a:hover{ color:#ff9c86; }
#footer .muted{ color:#a49b8d; font-size:12.5px; padding-top:0 !important; }
#footer .footlinks{ display:flex; flex-wrap:wrap; gap:14px; }

/* ---------- responsive ---------- */
@media (max-width: 980px){
  #contentout{ gap:22px; padding:26px 18px 0; }
  #right{ flex:1 1 100%; width:100%; margin-top:6px; }
  .hero{ grid-template-columns:1fr; }
  .hero-card{ padding:20px; }
  .hero-stats{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .grid2{ grid-template-columns:1fr; }
  #header{ padding:10px 18px 0; gap:8px; }
  .topnav{
    order:3; width:100%; margin:0 0 8px; padding:0;
    flex-wrap:nowrap; overflow-x:auto; scrollbar-width:none;
    -ms-overflow-style:none; -webkit-overflow-scrolling:touch;
  }
  .topnav::-webkit-scrollbar{ display:none; }
  .topnav a{ flex:none; padding:7px 10px; font-size:11.5px; }
  .sitetools{ margin-left:auto; }
  .sitetools label{ display:none; }
}
@media (max-width: 620px){
  body{ font-size:15.5px; }
  #contentout{ padding:20px 14px 0; }
  h1{ font-size:30px; }
  .resultbox{ padding:18px; }
  .panel{ padding:16px; }
  .hero-card-value{ font-size:30px; }
  .faq summary{ font-size:15px; }
  input[type=text], input[type=number], select, textarea{ max-width:100%; }
  .panel td.lbl{ width:100%; display:block; padding-bottom:2px; }
  .panel td{ display:block; width:100%; }
  .btnrow{ justify-content:stretch; }
  .btnrow input{ flex:1; }
}

@media print{
  body{ background:#fff; }
  #headerout, .topnav, #right, #footer, #printit, #insmdc, #topmenu, input[type=submit], input[type=button], .sitetools, .calc-tools, .hero-actions, .related, .faq, .smartfinder{ display:none !important; }
  #contentout, #content{ width:100% !important; max-width:none; padding:0; }
  .resultbox{ background:#fff; color:#000; border:1px solid #999; box-shadow:none; }
  .resultbox p, .resultbox td, .resultbox .big, .resultbox h3{ color:#000; }
  .grid2{ display:block; }
  a{ color:#000; }
}