.thc-wrap{--thc-primary:#2563eb;--thc-ink:#172033;--thc-muted:#667085;--thc-border:#e5e7eb;--thc-surface:#fff;color:var(--thc-ink);font-family:inherit;max-width:1180px;margin:24px auto}.thc-wrap *{box-sizing:border-box}.thc-directory-head{text-align:center;margin:0 auto 28px;max-width:700px}.thc-directory-head h2{font-size:clamp(27px,4vw,38px);line-height:1.2;margin:6px 0 10px;color:inherit}.thc-directory-head p{color:var(--thc-muted);margin:0}.thc-eyebrow{font-size:12px;font-weight:800;letter-spacing:.12em;color:var(--thc-primary)!important}.thc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.thc-card{display:flex;gap:15px;padding:20px;border:1px solid var(--thc-border);border-radius:14px;background:var(--thc-surface);box-shadow:0 3px 12px rgba(16,24,40,.035);min-width:0}.thc-card-icon{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:#eff6ff;color:var(--thc-primary);display:flex;align-items:center;justify-content:center;font-size:25px}.thc-card-body{min-width:0}.thc-category{display:inline-block;color:var(--thc-primary);font-size:11px;font-weight:750;text-transform:uppercase;letter-spacing:.06em}.thc-card h3{font-size:18px;line-height:1.35;margin:5px 0 7px;color:inherit}.thc-card p{font-size:14px;line-height:1.55;color:var(--thc-muted);margin:0 0 14px}.thc-button{appearance:none;border:0;border-radius:8px;padding:11px 15px;background:var(--thc-primary);color:#fff!important;font-weight:700;font-size:14px;line-height:1.2;cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:8px}.thc-button:hover{filter:brightness(.94)}.thc-button:focus-visible,.thc-field input:focus-visible,.thc-field select:focus-visible{outline:3px solid #93c5fd;outline-offset:2px}.thc-directory-panel{margin-top:24px}.thc-calculator{border:1px solid var(--thc-border);border-radius:16px;padding:clamp(18px,3vw,30px);background:var(--thc-surface);box-shadow:0 5px 24px rgba(16,24,40,.05)}.thc-calculator h2{font-size:clamp(23px,3vw,30px);line-height:1.25;margin:0 0 8px;color:inherit}.thc-intro{color:var(--thc-muted);margin:0 0 22px;line-height:1.6}.thc-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.thc-field{display:flex;flex-direction:column;gap:7px;min-width:0}.thc-field label{font-size:14px;font-weight:650}.thc-field input,.thc-field select{width:100%;min-height:44px;border:1px solid #d0d5dd;border-radius:8px;padding:10px 12px;background:#fff;color:#172033;font:inherit}.thc-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.thc-button-secondary{background:#f2f4f7;color:#344054!important}.thc-result{margin-top:22px;padding:18px;border-radius:12px;background:#f0f7ff;border:1px solid #dbeafe;display:none}.thc-result.is-visible{display:block}.thc-result h3{font-size:16px;margin:0 0 10px}.thc-result-main{font-size:clamp(23px,4vw,32px);font-weight:800;color:#1d4ed8;overflow-wrap:anywhere}.thc-result-details{margin-top:10px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.thc-result-item{padding:10px;border-radius:8px;background:rgba(255,255,255,.8)}.thc-result-item span{display:block;color:#667085;font-size:12px;margin-bottom:4px}.thc-result-item strong{font-size:15px;overflow-wrap:anywhere}.thc-error{color:#b42318;margin:12px 0 0;font-size:14px}.thc-disclaimer{font-size:12px;line-height:1.6;color:var(--thc-muted);margin:18px 0 0}.thc-empty{padding:20px;border:1px dashed var(--thc-border);border-radius:12px;color:var(--thc-muted)}.thc-scientific-display{font-size:22px!important;text-align:right;font-variant-numeric:tabular-nums}.thc-calc-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:12px}.thc-calc-buttons button{min-height:44px;border:1px solid var(--thc-border);border-radius:8px;background:#f9fafb;color:#172033;font-size:16px;cursor:pointer}.thc-calc-buttons button:hover{background:#eff6ff}.thc-tax-note{font-size:12px;color:var(--thc-muted);margin-top:12px}@media(max-width:900px){.thc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.thc-card{padding:16px;gap:11px}}@media(max-width:600px){.thc-grid{grid-template-columns:1fr;gap:12px}.thc-card{padding:16px}.thc-fields,.thc-result-details{grid-template-columns:1fr}.thc-calculator{padding:18px}.thc-actions .thc-button{flex:1}}