.delta-selector {
  --red:#0057a8;
  --red-dark:#003f7a;
  --ink:#172033;
  --muted:#667085;
  --line:#e4e7ec;
  --soft:#f4f6f8;
  --white:#fff;
  --green:#087443;
  --whatsapp:#128c7e;
  --warning:#8a5b00;
  --shadow:0 20px 50px rgba(16,24,40,.12);
}
.delta-selector button,.delta-selector input,.delta-selector a{font:inherit}
.delta-selector button{cursor:pointer}

.delta-selector{padding:64px 18px;background:linear-gradient(180deg,#fff,#f4f6f8)}
.delta-selector__wrap{width:min(1280px,100%);margin:auto}
.delta-selector__head{max-width:920px;margin-bottom:28px}
.delta-selector .eyebrow{margin:0 0 10px;color:var(--red);font-size:.8rem;font-weight:900;letter-spacing:.09em;text-transform:uppercase}
.delta-selector__title{margin:0;font-size:clamp(28px,3.2vw,42px);line-height:1.08;letter-spacing:-0.02em}
.delta-selector .intro{margin:15px 0 0;color:var(--muted);font-size:1.02rem;line-height:1.65}

.delta-selector .selector-panel{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(390px,.95fr);overflow:hidden;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow)}
.delta-selector .selector-controls{padding:30px;border-right:1px solid var(--line)}
.delta-selector .selector-results{padding:30px;background:#fbfcfd}
.search-box{margin-bottom:20px}
.search-box label{display:block;margin-bottom:8px;font-size:.88rem;font-weight:850}
.search-box input{width:100%;min-height:50px;padding:0 15px;border:1px solid #cfd4dc;border-radius:12px;outline:0}
.search-box input:focus{border-color:var(--red);box-shadow:0 0 0 4px rgba(0,87,168,.12)}
.filter-section{margin-bottom:20px}
.filter-title{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:0 0 8px;font-size:.9rem;font-weight:900}
.filter-title small{color:var(--muted);font-size:.7rem;font-weight:700}
.choice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(96px,1fr));gap:7px}
.choice-btn{position:relative;min-height:46px;padding:7px 9px;border:1px solid #cfd4dc;border-radius:10px;background:#fff;color:var(--ink);font-size:.78rem;font-weight:850;line-height:1.18;transition:.12s ease}
.choice-btn:hover:not(:disabled){transform:translateY(-1px);border-color:rgba(0,87,168,.55);box-shadow:0 6px 14px rgba(16,24,40,.07)}
.choice-btn.is-selected{border-color:var(--red);background:var(--red);color:#fff;box-shadow:0 8px 18px rgba(0,87,168,.22)}
.choice-btn.is-selected::after{position:absolute;top:4px;right:7px;content:"✓";font-size:.68rem}
.choice-btn:disabled{border-color:#e4e7ec;background:#f2f4f7;color:#98a2b3;opacity:.58;cursor:not-allowed}
.choice-main{display:block;font-size:1rem;font-weight:900}
.choice-sub{display:block;margin-top:2px;font-size:.64rem;font-weight:700;opacity:.82}
.filter-note{margin:8px 0 0;color:var(--muted);font-size:.74rem;line-height:1.45}
.selector-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.reset-btn{min-height:43px;padding:0 16px;border:0;border-radius:10px;background:#eef0f3;color:var(--ink);font-weight:850}

.result-head{display:flex;justify-content:space-between;gap:14px;align-items:flex-start;margin-bottom:17px}
.result-kicker{margin:0 0 5px;color:var(--muted);font-size:.75rem;font-weight:900;text-transform:uppercase}
.result-title{margin:0;font-size:clamp(1.45rem,3vw,2rem)}
.result-count{padding:7px 10px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--muted);font-size:.74rem;font-weight:850;white-space:nowrap}
.family-description{margin:0 0 16px;padding:13px 15px;border-left:4px solid var(--red);border-radius:0 10px 10px 0;background:#fff;color:var(--muted);font-size:.82rem;line-height:1.5}
.summary{display:none;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-bottom:16px}
.summary.is-visible{display:grid}
.summary-item{padding:11px;border:1px solid var(--line);border-radius:10px;background:#fff}
.summary-item span{display:block;margin-bottom:4px;color:var(--muted);font-size:.64rem;font-weight:800;text-transform:uppercase}
.summary-item strong{font-size:.8rem}
.model-list{display:grid;gap:11px;max-height:760px;overflow:auto;padding-right:4px}
.model-card{padding:15px;border:1px solid var(--line);border-radius:14px;background:#fff;transition:.16s ease}
.model-card.is-accessory-source{border-color:var(--red);box-shadow:0 0 0 3px rgba(230,0,18,.1)}
.model-top{display:flex;justify-content:space-between;gap:14px;align-items:flex-start}
.model-code{margin:0 0 5px;color:var(--red);font-size:1.04rem;font-weight:950;word-break:break-word}
.model-meta{margin:0;color:var(--muted);font-size:.82rem;line-height:1.5}
.match{display:flex;align-items:center;gap:6px;color:var(--green);font-size:.72rem;font-weight:850;white-space:nowrap}
.match::before{width:7px;height:7px;border-radius:50%;background:currentColor;content:""}
.model-tags,.accessory-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.tag{padding:5px 8px;border-radius:999px;background:#f2f4f7;color:#475467;font-size:.68rem;font-weight:750}
.tag.obsolete{background:#fff3e0;color:#9a5200}
.model-actions,.accessory-actions{display:flex;align-items:center;gap:9px;flex-wrap:wrap;margin-top:13px}
.primary-link,.quote-link,.accessory-btn,.close-btn{display:inline-flex;min-height:36px;align-items:center;justify-content:center;padding:0 12px;border:0;border-radius:9px;color:#fff;font-size:.76rem;font-weight:850;text-decoration:none;transition:.12s ease;cursor:pointer}
.primary-link{background:var(--red)}
.primary-link:hover{background:var(--red-dark);transform:translateY(-1px)}
.quote-link{background:var(--whatsapp)}
.quote-link:hover{background:#0f7569;transform:translateY(-1px)}
.accessory-btn{background:var(--ink)}
.accessory-btn:hover,.accessory-btn.is-active{background:#334155;transform:translateY(-1px)}
.action-note{color:var(--muted);font-size:.7rem;font-weight:700}
.empty{display:grid;min-height:240px;place-items:center;padding:24px;border:1px dashed #cfd4dc;border-radius:14px;color:var(--muted);text-align:center;line-height:1.6}
.notice{margin:18px 0 0;padding:13px 15px;border:1px solid #efd394;border-radius:11px;background:#fff9e9;color:#73510b;font-size:.76rem;line-height:1.55}

.accessory-panel{margin-top:28px;border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:var(--shadow);overflow:hidden}
.accessory-panel[hidden]{display:none}
.accessory-header{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;padding:28px 30px;border-bottom:1px solid var(--line);background:linear-gradient(135deg,#fff,#f8fafc)}
.accessory-header h2{margin:0;font-size:clamp(28px,3.2vw,42px);line-height:1.08;letter-spacing:-0.02em}
.selected-drive{margin:8px 0 0;color:var(--muted);font-size:.9rem;line-height:1.5}
.close-btn{background:#eef0f3;color:var(--ink)}
.accessory-body{display:grid;grid-template-columns:minmax(280px,.72fr) minmax(0,1.28fr)}
.accessory-filters{padding:28px;border-right:1px solid var(--line)}
.accessory-filters .choice-grid{grid-template-columns:repeat(auto-fit,minmax(118px,1fr))}
.accessory-filters .choice-btn{min-height:42px}
.accessory-results{padding:28px;background:#fbfcfd}
.accessory-list{display:grid;gap:11px;max-height:760px;overflow:auto;padding-right:4px}
.accessory-card{padding:17px;border:1px solid var(--line);border-radius:14px;background:#fff}
.accessory-card .match.requires-validation{color:var(--warning)}
.accessory-warning{margin:18px 0 0;padding:13px 15px;border:1px solid #efd394;border-radius:11px;background:#fff9e9;color:#73510b;font-size:.76rem;line-height:1.55}

@media(max-width:980px){
  .delta-selector .selector-panel,
  .accessory-body{grid-template-columns:1fr}
  .delta-selector .selector-controls,
  .accessory-filters{border-right:0;border-bottom:1px solid var(--line)}
}
@media(max-width:560px){
  .delta-selector{padding:44px 13px}
  .delta-selector .selector-controls,.delta-selector .selector-results,.accessory-filters,.accessory-results,.accessory-header{padding:21px}
  .choice-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .summary{grid-template-columns:repeat(2,minmax(0,1fr))}
  .model-top,.accessory-header{display:block}
  .match{margin-top:8px;white-space:normal}
  .close-btn{margin-top:12px}
}

.vfd-family-selector .vfd-selector-heading h2,
#matriz-seleccion .section-heading h2,
.delta-selector__title,
.accessory-header h2,
.vfd-configurator-heading h2,
.section.compact .section-heading h2 {
  max-width: 900px;
  margin: 0 0 8px;
  font-size: clamp(28px, 2.7vw, 38px);
  line-height: 1.16;
  letter-spacing: 0;
}

.vfd-family-selector .vfd-selector-heading h2 {
  margin: 0 auto 8px;
}