/* Front-end styles + error states */
.sof-container{--sof-accent:#ed6a1f;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:#111}
.sof-progress-wrap{margin:6px 0 14px}
.sof-steptext{display:flex;justify-content:space-between;font-size:.9rem;color:#6b7280;margin-bottom:6px}
.sof-progress{height:8px;background:#e5e7eb;border-radius:999px;overflow:hidden}
.sof-bar{height:100%;background:var(--sof-accent);width:0;transition:width .3s ease}
.sof-card{background:#fff;border:1px solid #eaeaea;border-radius:12px;padding:24px;box-shadow:0 12px 40px rgba(0,0,0,.06)}
.sof-card h2{margin:6px 0 18px;text-align:center;font-size:1.6rem}
.sof-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.sof-field label{display:block;font-size:.95rem;color:#555;margin:4px 0 6px}
.sof-field label span{color:#f97316}
.sof-field label span.sof-card-sub, .sof-field label span.sof-price, .sof-field label span.sof-card-note {
    color: #4b5563;
}
.sof-field label span.sof-card-body svg{
    width: 35px;
    height: 35px;
    margin-bottom: 15px;
    margin-top: 15px;
}
.sof-field input,.sof-field textarea,.sof-field select{width:100%;border:1px solid #e5e7eb;background:#fff;padding:12px 14px;border-radius:8px;outline:none;transition:border .2s,box-shadow .2s}
.sof-field textarea{min-height:110px;resize:vertical}
.sof-field input:focus,.sof-field textarea:focus,.sof-field select:focus{border-color:var(--sof-accent);box-shadow:0 0 0 3px rgba(237,106,31,.12)}
.sof-col-2{grid-column:span 2/span 2}
.sof-field label span.sof-card-title{
    color: #000
}
.sof-field .sof-cards label{
    text-align: center;
}
@media(max-width:720px){.sof-grid{grid-template-columns:1fr}.sof-col-2{grid-column:auto}}
.sof-actions{display:flex;justify-content:space-between;margin-top:16px}
.sof-prev,.sof-next,.sof-submit{display:inline-flex;align-items:center;gap:.5rem;font-weight:700;background:var(--sof-accent);color:#fff;border:1px solid var(--sof-accent);border-radius:10px;padding:12px 16px;cursor:pointer;text-decoration:none;transition:filter .2s,transform .06s}
.sof-prev{background:#fff;color:var(--sof-accent)}
.sof-prev:hover{background:#fff;filter:brightness(.95)}
.sof-next:hover,.sof-submit:hover{filter:brightness(.95)}
.sof-prev:active,.sof-next:active,.sof-submit:active{transform:translateY(1px)}
.sof-arrow{display:inline-block;transform:translateY(-1px)}
.sof-submit[disabled]{opacity:.6;cursor:not-allowed}
.sof-select{position:relative}
.sof-select:after{content:"▾";position:absolute;right:12px;top:50%;transform:translateY(-50%);pointer-events:none;color:#9ca3af}
.sof-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.sof-card-option{display:block;cursor:pointer}
.sof-card-option input{display:none}
.sof-card-body{display:block;border:2px solid #e5e7eb;border-radius:12px;padding:16px;background:#fff;transition:border .2s,box-shadow .2s,background .2s}
.sof-card-title{display:block;font-weight:800;margin-bottom:.25rem}
.sof-card-sub{display:block;color:#6b7280;font-weight:600;margin-bottom:.125rem}
.sof-card-note{display:block;color:#9ca3af;font-size:.9rem}
.sof-card-option input:checked + .sof-card-body{border-color:var(--sof-accent);background:#fff7f0;box-shadow:0 8px 24px rgba(237,106,31,.12)}
.sof-summary{background:#f9fafb;border:1px solid #eee;border-radius:10px;padding:16px;margin-bottom:12px}
.sof-summary-row{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid #eee}
.sof-summary-row:last-child{border-bottom:0}
.sof-total strong{font-size:1.2rem}
.sof-checks{margin:12px 0}
.sof-check{display:block;margin:8px 0}
.sof-note{color:#6b7280;margin-top:6px}
#sof-toast-root{position:fixed;top:16px;right:16px;z-index:999999}
.sof-toast{background:#111;color:#fff;padding:12px 14px;border-radius:10px;box-shadow:0 10px 24px rgba(0,0,0,.18);opacity:0;transform:translateY(-8px);animation:sofToastIn .25s ease forwards}
@keyframes sofToastIn{to{opacity:1;transform:translateY(0)}}
/* Validation states */
.sof-field.has-error input,
.sof-field.has-error textarea,
.sof-field.has-error select,
.sof-field input.sof-invalid,
.sof-field textarea.sof-invalid,
.sof-field select.sof-invalid { border-color:#dc2626; box-shadow:0 0 0 3px rgba(220,38,38,.10); }
.sof-error{display:block;color:#dc2626;font-size:.85rem;margin-top:6px}