/* PAYATE — US Sales Tax Calculator (inside shared chrome). */
#stx{max-width:860px;margin:0 auto;padding:18px 16px 40px;font-family:Poppins,system-ui,Segoe UI,Arial,sans-serif;color:#0f2340}
#stx .stx-hero{text-align:center;margin:18px 0 22px}
#stx .stx-hero h1{font-size:30px;line-height:1.2;margin:0 0 8px;color:#0a2540}
#stx .stx-hero p{margin:0 auto;max-width:640px;color:#5a6b80;font-size:15px;line-height:1.6}

#stx .stx-card{background:#fff;border:1px solid #e5eaf1;border-radius:16px;padding:20px;box-shadow:0 10px 30px rgba(10,37,64,.08)}
#stx .stx-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
#stx .stx-field label{display:block;font-size:13px;font-weight:600;color:#0a2540;margin-bottom:6px}
#stx .stx-field input,#stx .stx-field select{width:100%;height:46px;border:1px solid #d6dee8;border-radius:10px;padding:0 12px;font-size:16px;color:#0a2540;background:#f7f9fc}
#stx .stx-field input:focus,#stx .stx-field select:focus{outline:none;border-color:#1d64d8;box-shadow:0 0 0 3px rgba(29,100,216,.15)}
#stx .stx-money{position:relative}
#stx .stx-money span{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:#5a6b80;font-weight:600}
#stx .stx-money input{padding-left:26px}

#stx .stx-result{margin-top:18px}
#stx .stx-flag{background:#eafaf1;border:1px solid #bfe8cf;color:#0a7a3f;border-radius:10px;padding:11px 14px;font-size:14px;margin-bottom:14px}
#stx .stx-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
#stx .stx-cell{background:#f7f9fc;border:1px solid #e9eef4;border-radius:12px;padding:14px}
#stx .stx-cell span{display:block;font-size:12px;color:#5a6b80;text-transform:uppercase;letter-spacing:.3px;margin-bottom:4px}
#stx .stx-cell b{font-size:20px;color:#0a2540}
#stx .stx-cell.stx-hi{background:#eef5ff;border-color:#d4e6fb}
#stx .stx-cell.stx-hi b{color:#1d64d8}

#stx .stx-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:26px 0}
#stx .stx-feats div{background:#fff;border:1px solid #e5eaf1;border-radius:12px;padding:16px}
#stx .stx-feats h3{margin:0 0 6px;font-size:15px;color:#0a2540}
#stx .stx-feats p{margin:0;color:#5a6b80;font-size:13px;line-height:1.6}

#stx .stx-note{background:#fff7ec;border:1px solid #f6d9a8;color:#7a5620;border-radius:12px;padding:14px 16px;font-size:13.5px;line-height:1.7;margin:22px 0}

#stx .stx-faq{margin-top:30px}
#stx .stx-faq h2,#stx .pyt-rel h2{font-size:20px;color:#0a2540;margin:0 0 12px}
#stx .stx-faq details{background:#fff;border:1px solid #e5eaf1;border-radius:10px;padding:12px 16px;margin-bottom:10px}
#stx .stx-faq summary{cursor:pointer;font-weight:600;color:#0a2540}
#stx .stx-faq p{color:#5a6b80;font-size:14px;line-height:1.7;margin:10px 0 2px}
#stx .pyt-rel{margin-top:30px}

/* Shared "More PAYATE tools" cards */
.pyt-rel{max-width:820px;margin:16px auto;padding:20px 22px;background:#fff;border:1px solid #e6ecf5;border-radius:14px;box-shadow:0 1px 2px rgba(15,27,45,.05);color:#14233c}
.pyt-rel h2{margin:0 0 12px;font-size:18px;color:#0f1b2d}
.pyt-rel .prg{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:10px}
.pyt-rel a{display:block;text-decoration:none;border:1px solid #e6ecf5;border-radius:10px;padding:12px 14px;background:#fbfcfe;transition:border-color .15s,background .15s}
.pyt-rel a:hover{border-color:#1d64d8;background:#f2f7ff}
.pyt-rel .prt{display:block;font-weight:600;font-size:14px;color:#14233c;margin-bottom:2px}
.pyt-rel .prd{display:block;font-size:12px;line-height:1.4;color:#5a6782}

@media (max-width:620px){
  #stx .stx-hero h1{font-size:24px}
  #stx .stx-controls{grid-template-columns:1fr}
  #stx .stx-grid{grid-template-columns:repeat(2,1fr)}
  #stx .stx-feats{grid-template-columns:1fr}
}