/* การเงินของฉัน — single dark theme: black ground, blue accent. Layout: one narrow column, big touch targets, sticky result bar at the bottom on calculators */
:root{
  --bg:#07090e; --surface:#10141d; --raise:#161c28; --line:#232b3b;
  --ink:#eef2fa; --muted:#8e9ab0;
  --accent:#3d8bff; --accent-ink:#ffffff; --accent-soft:#0f2142; --accent-line:#1f3f78;
  --f:"Anuphan","Noto Sans Thai",system-ui,sans-serif;
  color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f);font-size:17px;line-height:1.65}
a{color:var(--accent)}

/* header + one-row scrollable menu */
.site-head{background:#000;border-bottom:1px solid var(--line);position:sticky;top:env(safe-area-inset-top,0px);z-index:20}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);background:#000;z-index:21}
.site-head .in,.wrap,.site-foot .in{max-width:720px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.site-head .in{display:grid;gap:10px;padding-block:12px 10px}
.logo{font-weight:700;font-size:1.2rem;color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:10px}
.logo span{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:9px;background:var(--accent);color:var(--accent-ink);font-size:1rem}
.nav{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin-inline:-4px;padding:2px 4px}
.nav::-webkit-scrollbar{display:none}
.nav a{flex:none;color:var(--ink);text-decoration:none;font-size:.95rem;padding:7px 14px;border-radius:999px;background:var(--raise);border:1px solid var(--line);white-space:nowrap}
.nav a[aria-current="page"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}

.wrap{padding-block:24px 40px;display:grid;gap:22px}
.wrap>*,.card>*{min-width:0}
h1,h2,h3{line-height:1.3;text-wrap:balance;margin:0}
h1{font-size:clamp(1.6rem,6vw,2.1rem)}
h2{font-size:1.3rem}
h3{font-size:1.08rem}
p{margin:0}
.lede{color:var(--muted);margin-top:4px}

/* calculator card */
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:18px;display:grid;gap:18px;min-width:0}
.fields{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:.95rem;font-weight:600}
.field small{color:var(--muted);font-size:.82rem;line-height:1.45}
input,select{font:inherit;font-size:1.1rem;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-height:50px;width:100%;font-variant-numeric:tabular-nums}
input:focus{border-color:var(--accent);outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
select:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.check{display:flex;gap:12px;align-items:center;font-size:1rem;min-height:44px}
.check input{width:22px;height:22px;min-height:0;accent-color:var(--accent)}
fieldset{border:1px solid var(--line);border-radius:12px;padding:16px;margin:0;display:grid;gap:16px;min-width:0}
legend{font-weight:700;padding:0 6px;color:var(--accent)}
details.more{border:1px dashed var(--accent-line);border-radius:12px;padding:14px 16px}
details.more summary{cursor:pointer;font-weight:600;color:var(--accent)}
details.more[open] summary{margin-bottom:16px}

/* result */
.result{background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:14px;padding:18px;display:grid;gap:14px}
.big{font-size:clamp(2rem,9vw,2.7rem);font-weight:700;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px}
.stat{display:grid;gap:2px}
.stat span{font-size:.85rem;color:var(--muted)}
.stat b{font-size:1.1rem;font-variant-numeric:tabular-nums}
.tip{background:var(--bg);border-left:3px solid var(--accent);padding:10px 14px;border-radius:0 10px 10px 0;font-size:.95rem}
.note{font-size:.88rem;color:var(--muted)}

/* sticky result bar (added by calc.js) */
.sumbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#000;border-top:1px solid var(--accent-line);
  padding:12px max(16px,env(safe-area-inset-right,0px)) calc(12px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));
  display:flex;justify-content:space-between;align-items:center;gap:12px;transition:transform .2s}
.sumbar span{color:var(--muted);font-size:.9rem}
.sumbar b{color:var(--accent);font-size:1.35rem;font-variant-numeric:tabular-nums;white-space:nowrap}
.sumbar.hide{transform:translateY(110%)}
body.has-sumbar{padding-bottom:72px}
@media (prefers-reduced-motion:reduce){.sumbar{transition:none}}

/* tables */
.table-wrap{overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:.95rem;font-variant-numeric:tabular-nums}
th,td{padding:10px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th:first-child,td:first-child{text-align:left}
th{color:var(--muted);font-weight:600;font-size:.85rem}
tr.on td{color:var(--accent);font-weight:700}

/* article + faq */
article{display:grid;gap:14px;max-width:66ch}
article ul,article ol{margin:0;padding-left:1.3em;display:grid;gap:6px}
.faq details{border-bottom:1px solid var(--line);padding:12px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq details p{margin-top:8px;color:var(--muted)}

/* home tool list */
.tools{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px}
.tool{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px 18px;text-decoration:none;color:var(--ink);display:grid;grid-template-columns:48px 1fr;gap:4px 14px;align-items:center}
.tool:hover,.tool:active{border-color:var(--accent)}
.tool .ico{grid-row:span 2;width:48px;height:48px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-size:1.15rem;font-weight:700}
.tool h2{font-size:1.08rem!important}
.tool p{color:var(--muted);font-size:.9rem;line-height:1.45}

.ad-slot{min-height:90px;display:grid;place-items:center}
.ad-slot:empty{display:none}
.site-foot{border-top:1px solid var(--line);background:#000;font-size:.9rem;color:var(--muted)}
.site-foot .in{padding-block:20px;display:flex;flex-wrap:wrap;gap:8px 18px;justify-content:space-between}
.site-foot a{color:var(--muted)}

/* categories */
.chips{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;margin-inline:-4px;padding:2px 4px}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;font:inherit;font-size:.95rem;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:8px 16px;cursor:pointer;white-space:nowrap}
.chip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:600}
section.cat{display:grid;gap:12px;scroll-margin-top:120px}
.cat-head{display:grid;gap:2px}
.cat-head h2{font-size:1.15rem}
.cat-head p{color:var(--muted);font-size:.9rem}
.tool h3{font-size:1.05rem}
.crumb{display:inline-block;font-size:.85rem;font-weight:600;color:var(--accent);text-decoration:none;background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:999px;padding:3px 12px;margin-bottom:8px}
.swap{justify-self:start;font:inherit;font-weight:600;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:12px;padding:10px 16px;min-height:44px;cursor:pointer}

/* ---------- flair ---------- */
:root{--c1:#3d8bff;--c2:#f5b544;--c3:#38d0e8;--c4:#6b7a93;--glow:0 0 0 1px rgba(61,139,255,.35),0 10px 40px -12px rgba(61,139,255,.55)}
body{background:radial-gradient(900px 420px at 50% -180px,#0e2b63 0%,rgba(14,43,99,0) 70%) no-repeat,var(--bg)}
.site-head{background:rgba(0,0,0,.72);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.site-head .in{position:relative}
.logo span{background:linear-gradient(135deg,#3d8bff,#38d0e8);box-shadow:0 4px 18px -4px rgba(61,139,255,.8)}
.lang{position:absolute;top:12px;right:calc(max(16px,env(safe-area-inset-right,0px)) + 54px);display:flex;padding:3px;border-radius:999px;background:var(--raise);border:1px solid var(--line);cursor:pointer;font:inherit;font-size:.82rem;font-weight:700}
.lang span{padding:4px 10px;border-radius:999px;color:var(--muted);transition:background .2s,color .2s}
.lang span.on{background:var(--accent);color:#fff}
.card{background:linear-gradient(180deg,var(--raise),var(--surface) 140px)}
.result{background:radial-gradient(120% 140% at 0% 0%,#163a78 0%,var(--accent-soft) 55%);box-shadow:var(--glow)}
.big{text-shadow:0 0 28px rgba(61,139,255,.45);transform-origin:left center}
.big.bump{animation:bump .45s cubic-bezier(.2,.9,.3,1.4)}
@keyframes bump{0%{transform:scale(.96);opacity:.6}60%{transform:scale(1.04)}100%{transform:scale(1);opacity:1}}
.tool{transition:transform .18s,border-color .18s,box-shadow .18s}
.tool:hover{transform:translateY(-3px);box-shadow:var(--glow)}
.tool:active{transform:scale(.98)}
.tool .ico{background:linear-gradient(135deg,rgba(61,139,255,.28),rgba(56,208,232,.12));border:1px solid var(--accent-line);transition:transform .25s}
.tool:hover .ico{transform:rotate(-6deg) scale(1.08)}
.chip,.nav a{transition:background .2s,border-color .2s,color .2s,transform .15s}
.chip:active,.nav a:active,.swap:active{transform:scale(.95)}
section.cat:not([hidden]){animation:rise .35s ease both}
.wrap>*{animation:rise .5s ease both}
.wrap>*:nth-child(2){animation-delay:.06s}.wrap>*:nth-child(3){animation-delay:.12s}.wrap>*:nth-child(4){animation-delay:.18s}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
input,select{transition:border-color .2s,box-shadow .2s}
.sumbar{background:rgba(0,0,0,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}
.sumbar b{text-shadow:0 0 18px rgba(61,139,255,.6)}
/* stacked bars */
.bars{display:grid;gap:10px}
.track{display:flex;height:14px;border-radius:999px;overflow:hidden;background:var(--bg);gap:2px}
.seg{display:block;height:100%;transition:width .5s cubic-bezier(.2,.8,.2,1);min-width:3px}
.c1{background:var(--c1)}.c2{background:var(--c2)}.c3{background:var(--c3)}.c4{background:var(--c4)}
.legend{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.legend li{display:grid;grid-template-columns:12px 1fr auto 3.2em;gap:10px;align-items:center;font-size:.92rem}
.legend i{width:12px;height:12px;border-radius:4px}
.legend b{font-variant-numeric:tabular-nums}
.legend em{font-style:normal;color:var(--muted);text-align:right;font-variant-numeric:tabular-nums}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

/* hamburger menu */
.site-head .in{min-height:64px;align-content:center}
.burger{position:absolute;top:10px;right:max(16px,env(safe-area-inset-right,0px));width:44px;height:44px;border-radius:12px;background:var(--raise);border:1px solid var(--line);cursor:pointer;display:grid;place-content:center;gap:5px;padding:0}
.burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--ink);transition:transform .25s,opacity .2s}
.burger[aria-expanded="true"]{border-color:var(--accent)}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.menu-panel{display:grid;gap:16px;padding:6px 0 14px;max-height:calc(100vh - 90px);overflow-y:auto;animation:drop .22s ease}
.menu-panel[hidden]{display:none}
@keyframes drop{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.menu-home{display:block;padding:12px 16px;border-radius:12px;background:var(--accent-soft);border:1px solid var(--accent-line);color:var(--ink);text-decoration:none;font-weight:600}
.menu-group p{margin:0 0 8px;font-size:.8rem;letter-spacing:.06em;color:var(--muted);font-weight:600}
.menu-group div{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.menu-group a{padding:11px 14px;border-radius:12px;background:var(--raise);border:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:.95rem;transition:border-color .15s,background .15s}
.menu-group a:hover{border-color:var(--accent)}
.menu-group a[aria-current="page"]{background:var(--accent);border-color:var(--accent);color:#fff;font-weight:600}
.site-head .nav{display:none}