/* Layout: navy masthead, a parameters panel the user sets once for the period,
   then six calculators as cards. Two columns above 980px. */
:root{
  --ink:#0A1F33; --ink-2:#44586C; --ink-3:#7B8B9B;
  --bg:#F8F6F2; --bg-2:#F1EEE8; --bg-3:#E6E2D9; --surface:#FFFFFF;
  --rule:#DFDAD0; --rule-2:#C4BCAE;
  --navy:#0A1F33; --on-navy:#F8F6F2; --on-navy-2:rgba(248,246,242,.68);
  --bronze:#9A7524; --bronze-soft:#F0E7D2;
  --seal:#9A3225; --seal-soft:#F3E3DF;
  --ok:#2A6B4C; --ok-soft:#E4EFE8;
  --font-display:"Archivo","Segoe UI",system-ui,sans-serif;
  --font-body:"Source Sans 3","Segoe UI",system-ui,-apple-system,sans-serif;
  --font-data:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --ink:#ECE8E0; --ink-2:#B0ABA0; --ink-3:#827D73;
  --bg:#0B0F13; --bg-2:#10161D; --bg-3:#171F28; --surface:#121A22;
  --rule:#212A34; --rule-2:#2E3945;
  --navy:#060B10; --on-navy:#ECE8E0; --on-navy-2:rgba(236,232,224,.66);
  --bronze:#CBA45A; --bronze-soft:#241D0F;
  --seal:#DF8278; --seal-soft:#2A1917;
  --ok:#62BC90; --ok-soft:#11251C;
  color-scheme:dark;
}}
:root[data-theme="dark"]{
  --ink:#ECE8E0; --ink-2:#B0ABA0; --ink-3:#827D73;
  --bg:#0B0F13; --bg-2:#10161D; --bg-3:#171F28; --surface:#121A22;
  --rule:#212A34; --rule-2:#2E3945;
  --navy:#060B10; --on-navy:#ECE8E0; --on-navy-2:rgba(236,232,224,.66);
  --bronze:#CBA45A; --bronze-soft:#241D0F;
  --seal:#DF8278; --seal-soft:#2A1917;
  --ok:#62BC90; --ok-soft:#11251C;
  color-scheme:dark;
}
*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--font-body);font-size:15.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:60;background:var(--navy)}
h1,h2,h3,h4{font-family:var(--font-display);font-weight:600;margin:0;letter-spacing:-.022em;text-wrap:balance}
p{margin:0}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(18px,env(safe-area-inset-left,0px));padding-right:max(18px,env(safe-area-inset-right,0px))}
.mono{font-family:var(--font-data);font-variant-numeric:tabular-nums}
.kicker{font-family:var(--font-display);font-size:10.5px;letter-spacing:.19em;text-transform:uppercase;color:var(--bronze);font-weight:700}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--bronze);outline-offset:3px}

.util{background:var(--navy);color:var(--on-navy-2);font-size:12.5px}
.util .wrap{display:flex;gap:8px 18px;align-items:center;padding-block:8px;flex-wrap:wrap}
.util a{text-decoration:none;color:inherit}
.util .right{margin-left:auto;display:flex;gap:6px}
.util button{font:inherit;font-family:var(--font-display);font-size:11px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;background:transparent;border:1px solid rgba(255,255,255,.22);color:var(--on-navy);padding:5px 10px;cursor:pointer}
.util button:hover{background:rgba(255,255,255,.12)}
.util button[aria-pressed="true"]{background:var(--on-navy);color:var(--navy);border-color:var(--on-navy)}

header{background:var(--navy);color:var(--on-navy)}
header .wrap{padding-block:44px 38px}
header h1{font-size:clamp(28px,4.4vw,40px);line-height:1.08;margin-top:16px;font-weight:700}
header p{margin-top:16px;font-size:16.5px;color:var(--on-navy-2);max-width:66ch}

.par{background:var(--bg-2);border-bottom:1px solid var(--rule)}
.par .wrap{padding-block:26px 30px}
.par h2{font-family:var(--font-display);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.par .d{font-size:14px;color:var(--ink-2);margin-top:9px;max-width:78ch}
.pg{display:grid;grid-template-columns:repeat(auto-fit,minmax(196px,1fr));gap:12px 18px;margin-top:18px}
label{display:grid;gap:4px;font-size:13px;color:var(--ink-2);min-width:0}
input,select{font-family:var(--font-data);font-size:14px;padding:8px 11px;border:1px solid var(--rule-2);background:var(--surface);color:var(--ink);width:100%;min-width:0}
.brk{margin-top:18px}
.brk table{border-collapse:collapse;width:100%;min-width:330px;font-size:13.5px;background:var(--surface);border:1px solid var(--rule)}
.brk th,.brk td{text-align:left;padding:6px 11px;border-bottom:1px solid var(--rule)}
.brk th{font-family:var(--font-display);font-size:9.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.brk td{padding:4px 8px}
.brk input{border:0;background:transparent;padding:5px 4px}
.tw{overflow-x:auto}
.pacts{display:flex;gap:9px;margin-top:14px;flex-wrap:wrap;align-items:center}
.btn{font-family:var(--font-display);font-weight:600;font-size:13px;border:1px solid transparent;padding:9px 17px;cursor:pointer;white-space:nowrap}
.btn.p{background:var(--navy);color:var(--on-navy)}
.btn.s{background:transparent;color:var(--ink);border-color:var(--rule-2)}
.btn.s:hover{border-color:var(--ink)}
.saved{font-size:12.5px;color:var(--ok)}

main{padding-block:40px 20px}
.cards{display:grid;grid-template-columns:1fr;gap:18px}
@media (max-width:980px){.cards{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--rule);min-width:0;display:flex;flex-direction:column}
.card>h3{font-size:17.5px;padding:17px 20px 0}
.card>.sub{font-size:13.5px;color:var(--ink-3);padding:6px 20px 0}
.card .body{padding:16px 20px 20px;display:grid;gap:12px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:460px){.two{grid-template-columns:1fr}}
.res{margin-top:4px;border-top:1px solid var(--rule)}
.res .r{display:flex;justify-content:space-between;gap:14px;padding:7px 0;border-bottom:1px solid var(--rule);font-size:14px}
.res .r:last-child{border-bottom:0}
.res .r .k{color:var(--ink-2);min-width:0}
.res .r .v{font-family:var(--font-data);font-variant-numeric:tabular-nums;white-space:nowrap}
.res .r.tot{font-weight:600;background:var(--bg-2);padding-left:10px;padding-right:10px;margin-top:2px}
.res .r.tot .v{color:var(--ok)}
.res .r.neg .v{color:var(--seal)}
.note{font-size:12.5px;color:var(--ink-3);line-height:1.5;border-left:2px solid var(--bronze);padding-left:11px}

footer{background:var(--navy);color:var(--on-navy-2);font-size:13px;margin-top:34px}
footer .wrap{padding-block:32px 42px;display:grid;gap:10px}
footer p{max-width:94ch;line-height:1.6;opacity:.88}
footer strong{color:var(--on-navy)}

/* --- yazi --- */
main.wrap{padding-block:34px 10px;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:34px;align-items:start}
article{min-width:0;max-width:72ch}
article h2{font-size:21px;margin-top:30px}
article h3{font-size:17px;margin-top:20px}
article p{margin-top:12px;font-size:16px}
article ul,article ol{margin:10px 0 0;padding-left:22px}
article li{margin:5px 0}
article table{border-collapse:collapse;width:100%;margin-top:12px;font-size:14px;background:var(--surface);border:1px solid var(--rule)}
article th,article td{padding:8px 10px;border-bottom:1px solid var(--rule);text-align:left;vertical-align:top}
article th{font-family:var(--font-display);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);background:var(--bg-2)}
article td.num{font-family:var(--font-data);text-align:right;white-space:nowrap}
.meta{font-size:13px;color:var(--ink-3);margin-top:10px}
.box{background:var(--surface);border:1px solid var(--rule);padding:16px 18px;margin-top:18px}
.box b{font-family:var(--font-display);display:block;margin-bottom:6px;font-size:14px}
.box p{margin:0;font-size:14px;color:var(--ink-2)}
.kaynak{font-size:13.5px;color:var(--ink-2);border-left:2px solid var(--bronze);padding-left:12px;margin-top:22px}
.kaynak a{color:var(--bronze);text-decoration:none}
.sss h3{font-size:15.5px;margin-top:16px}
.sss p{margin-top:6px}
aside.side{display:grid;gap:16px;min-width:0}
.sbox{background:var(--surface);border:1px solid var(--rule);padding:16px 18px}
.sbox h4{font-size:13.5px;font-weight:600;margin-bottom:8px}
.sbox a{display:block;font-size:14px;color:var(--bronze);text-decoration:none;padding:5px 0;border-bottom:1px solid var(--rule)}
.sbox a:last-child{border-bottom:0}
.sbox a:hover{text-decoration:underline}
.sbox p{font-size:13.5px;color:var(--ink-2)}
footer{background:var(--navy);color:var(--on-navy-2);font-size:13px;margin-top:34px}
footer .wrap{padding-block:32px 42px;display:grid;gap:10px}
footer p{max-width:94ch;line-height:1.6;opacity:.88}
footer strong{color:var(--on-navy)}
@media (max-width:900px){main.wrap{grid-template-columns:1fr}}
@media (max-width:640px){header .wrap{padding-block:34px 30px}.util .wrap{font-size:11.5px;gap:6px 12px}article table{display:block;overflow-x:auto}}
[hidden]{display:none!important}