/* TC Coaching: shared styles for the standalone calculator pages (/calculators/*). */

.rhead{display:flex;justify-content:center;align-items:center;padding:16px 24px;
  border-bottom:1px solid rgba(255,255,255,.10);background:rgba(5,6,8,.6)}
.rhead img{height:46px}
.rwrap{max-width:820px;margin:0 auto;padding:0 22px}

.calc{background:linear-gradient(180deg,rgba(0,164,255,.06),rgba(255,255,255,.02));
  border:1px solid rgba(0,164,255,.22);border-radius:18px;padding:26px}
.calc h3{margin:0 0 4px}
.calc label{display:block;font-weight:600;font-size:.95rem;margin-bottom:6px}
.calc input,.calc select{width:100%;padding:13px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.16);
  background:rgba(0,0,0,.35);color:#fff;font:600 1.1rem 'Saira Condensed';letter-spacing:.02em}
.calc input{text-align:center}
.calc select{font-family:Inter;font-size:1rem}

.seg{display:flex;gap:8px;margin-bottom:16px;flex-wrap:wrap}
.seg button{flex:1;min-width:120px;padding:9px;border-radius:9px;border:1px solid rgba(255,255,255,.16);
  background:rgba(0,0,0,.3);color:var(--muted);font:600 .86rem Inter;cursor:pointer}
.seg button.on{background:#00A4FF;border-color:#00A4FF;color:#04121f}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:16px 20px}
@media(max-width:560px){.grid2{grid-template-columns:1fr}}
.field{margin-top:16px}
.hint{font-size:.8rem;color:var(--muted);margin-top:6px}
.err{color:#ff8080;margin-top:12px;min-height:1em}

.results{margin-top:26px;display:none}
.results.show{display:block}

.bighead{text-align:center;padding:24px;border:1px solid rgba(0,164,255,.3);border-radius:16px;background:rgba(0,164,255,.07)}
.bighead .lab{color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-size:.76rem}
.bighead .num{font:800 3rem 'Saira Condensed';color:#fff;line-height:1;margin:6px 0}
.bighead .sub{color:#00A4FF;font-size:.9rem}

table.z{width:100%;border-collapse:collapse;margin-top:14px}
table.z th,table.z td{text-align:left;padding:11px 10px;border-bottom:1px solid rgba(255,255,255,.08);font-size:.92rem}
table.z th{color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.08em;font-size:.72rem}
table.z td.p{font:700 1.05rem 'Saira Condensed';color:#fff;white-space:nowrap}
table.z tr.is-hl td{background:rgba(0,164,255,.08)}
table.z tr.is-hl td.z1{color:#00A4FF;font-weight:700}

.stbl-wrap{max-height:420px;overflow:auto;margin-top:14px;border:1px solid rgba(255,255,255,.08);border-radius:12px}
table.stbl{width:100%;border-collapse:collapse}
table.stbl th,table.stbl td{padding:9px 12px;border-bottom:1px solid rgba(255,255,255,.06);font-size:.9rem;text-align:right}
table.stbl th:first-child,table.stbl td:first-child{text-align:left}
table.stbl th{position:sticky;top:0;background:#0c0f14;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;font-size:.7rem}
table.stbl td.p{font:700 1rem 'Saira Condensed';color:#fff;white-space:nowrap}

.card{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.09);border-radius:16px;padding:22px;margin:16px 0}
.card h4{margin:0 0 10px}

.howto{list-style:none;padding:0;margin:0;counter-reset:s}
.howto li{display:block;position:relative;padding:8px 0 8px 40px;counter-increment:s;color:var(--muted)}
.howto li:before{content:counter(s);position:absolute;left:0;top:6px;width:26px;height:26px;border-radius:50%;
  background:rgba(0,164,255,.15);border:1px solid rgba(0,164,255,.4);color:#00A4FF;font:700 .85rem Inter;display:flex;align-items:center;justify-content:center}
.howto li b{color:#fff}

.dist{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:14px}
.dist div{background:rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.08);border-radius:12px;padding:12px;text-align:center}
.dist span{display:block;font-size:.72rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:2px}
.dist b{font:700 1.15rem 'Saira Condensed';color:#fff;white-space:nowrap}

.note{font-size:.84rem;color:var(--muted)}

/* Shared top menu (injected by /js/calcnav.js) */
.cnav{position:sticky;top:0;z-index:60;background:rgba(5,6,8,.92);backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);border-bottom:1px solid rgba(255,255,255,.10)}
.cnav__in{max-width:1160px;margin:0 auto;display:flex;align-items:center;gap:16px;padding:9px 20px;position:relative}
.cnav__logo img{height:36px;display:block}
.cnav__menu{display:flex;align-items:center;gap:20px;margin-left:auto}
.cnav__calcs{display:flex;align-items:center;gap:16px}
.cnav__calcs a{color:var(--muted);font:600 .88rem Inter;text-decoration:none;white-space:nowrap}
.cnav__calcs a:hover{color:#fff}
.cnav__calcs a.is-active{color:#00A4FF}
.cnav__cta{display:flex;align-items:center;gap:10px}
.cnav__toggle{display:none;margin-left:auto;flex-direction:column;justify-content:center;gap:5px;
  background:none;border:0;cursor:pointer;padding:8px}
.cnav__toggle span{width:24px;height:2px;background:#fff;display:block;border-radius:2px}
@media(max-width:920px){
  .cnav__toggle{display:flex}
  .cnav__menu{display:none;position:absolute;left:0;right:0;top:100%;margin:0;flex-direction:column;
    align-items:stretch;gap:0;background:rgba(5,6,8,.98);border-bottom:1px solid rgba(255,255,255,.12);padding:6px 20px 16px;
    max-height:calc(100vh - 56px);max-height:calc(100svh - 56px);
    overflow-y:auto;-webkit-overflow-scrolling:touch;overscroll-behavior:contain}
  .cnav__menu.open{display:flex}
  .cnav__calcs{flex-direction:column;align-items:stretch;gap:0}
  .cnav__calcs a{padding:13px 2px;border-bottom:1px solid rgba(255,255,255,.06)}
  .cnav__cta{padding-top:14px;gap:10px}
  .cnav__cta .btn{flex:1;text-align:center}
}