.explorer-page{--color-brand: #E8A838;--color-brand-dark: #B45309;--color-brand-light: #FEF3C7;--color-bg: #ffffff;--color-surface: #F0F2F4;--color-border: #E2E8F0;--color-text: #1A1F2E;--color-text-muted: #64748B;--color-text-faint: #94A3B8;--radius-card: 0px;--radius-inner: 0px;--font: var(--font-sans);background:var(--color-bg);color:var(--color-text);font-family:var(--font);min-height:100vh}.explorer-page,.explorer-page *{box-sizing:border-box}.explorer-page *{margin:0;padding:0}.explorer-page button{cursor:pointer;font-family:inherit;border:none;background:none}.explorer-page a{text-decoration:none}.topbar{max-width:980px;margin:0 auto;padding:16px 16px 0;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;min-height:36px}.btn-reset{background:transparent;border:1px solid var(--color-border);color:var(--color-text-muted);padding:5px 12px;border-radius:var(--radius-inner);font-size:13px;font-weight:600;transition:all .2s}.btn-reset:hover{border-color:var(--color-brand);color:var(--color-brand-dark)}.hidden{display:none}.breadcrumb{display:flex;gap:5px;align-items:center;flex-wrap:wrap}.chip{display:flex;align-items:center;gap:4px;border-radius:0;padding:3px 10px;border:1px solid var(--color-border);background:#f8fafc;transition:all .2s}.chip.active{border-color:var(--color-brand);background:var(--color-brand-light)}.chip.done{border-color:var(--color-brand);background:var(--color-brand-light);cursor:pointer}.chip.done:hover{background:#fef3c7}.chip.future{opacity:.35}.chip.success{border-color:#10b981;background:#ecfdf5}.chip-num{width:15px;height:15px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:600;flex-shrink:0;background:var(--color-border);color:var(--color-text-muted)}.chip.active .chip-num,.chip.done .chip-num{background:var(--color-brand);color:#fff}.chip.success .chip-num{background:#10b981;color:#fff}.chip-lbl{font-size:12px;color:var(--color-text-muted);white-space:nowrap}.chip.active .chip-lbl{color:var(--color-text);font-weight:600}.chip.done .chip-lbl{color:var(--color-brand-dark);font-weight:600}.chip.success .chip-lbl{color:#065f46;font-weight:600}.sep{color:var(--color-border);font-size:16px}.main{max-width:980px;margin:0 auto;padding:30px 16px}.title-row{display:flex;align-items:center;gap:16px;margin-bottom:6px;flex-wrap:wrap}.title-row h2{font-size:26px;font-weight:600;color:var(--color-text);flex-shrink:0}.subtitle{color:var(--color-text-muted);font-size:16px;margin-bottom:26px;line-height:1.5}.hl{color:var(--color-brand-dark);font-weight:600}.revit-toggle-inline{display:flex;align-items:center;background:#fff;border:1.5px solid var(--color-border);border-radius:0;padding:3px;box-shadow:0 1px 4px #0000000f}.rtg-lbl{font-size:14px;color:var(--color-text);font-weight:600;padding:0 10px 0 6px;white-space:nowrap}.rtg-btn{padding:5px 14px;border-radius:0;font-size:13px;font-weight:600;border:none;background:transparent;color:var(--color-text-faint);transition:all .2s;white-space:nowrap;line-height:1}.rtg-btn:hover{color:#475569;background:var(--color-border)}.rtg-btn.on-new{background:#fee2e2;color:#991b1b}.rtg-btn.on-exp{background:#d1fae5;color:#065f46}.grid-prof{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:10px}.grid-amb{display:grid;grid-template-columns:repeat(auto-fill,minmax(185px,1fr));gap:10px}.grid-res{display:grid;grid-template-columns:repeat(auto-fill,minmax(275px,1fr));gap:14px}.grid-itin{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px}.grid-compat{display:grid;grid-template-columns:repeat(auto-fill,minmax(255px,1fr));gap:12px}.grid-next{display:grid;grid-template-columns:repeat(auto-fill,minmax(225px,1fr));gap:10px}.sel-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-card);padding:16px 14px;text-align:left;color:var(--color-text);display:flex;flex-direction:column;gap:7px;transition:all .18s;width:100%;box-shadow:0 1px 4px #0000000a}.sel-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px #0000001a}.sel-card.dimmed{opacity:.38;pointer-events:none}.sel-card.dimmed .card-count{color:var(--color-text);opacity:1}.sel-card.dimmed .card-name{color:var(--color-text)}.card-icon{display:flex;align-items:center;justify-content:center;width:34px;height:34px}.card-name{font-size:15px;font-weight:600;line-height:1.3}.card-count{font-size:14px;color:var(--color-text-faint);font-weight:500}.cnt-num{font-weight:600;color:#475569}.cnt-filtered-new{font-weight:600;color:#991b1b}.cnt-filtered-exp{font-weight:600;color:#1e40af}.cnt-of{color:#475569;margin:0 2px}.or-divider{display:flex;align-items:center;gap:14px;margin:36px 0 22px}.or-divider span{font-size:16px;font-weight:600;color:var(--color-text);white-space:nowrap;text-transform:uppercase;letter-spacing:1px;cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;display:flex;align-items:center;gap:6px}.or-divider:before,.or-divider:after{content:"";flex:1;height:1px;background:var(--color-border)}.itin-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-card);padding:18px;display:flex;flex-direction:column;gap:10px;transition:all .2s;cursor:pointer;box-shadow:0 1px 4px #0000000a;text-align:left;width:100%}.itin-card:hover{transform:translateY(-2px)}.itin-card.is-master{border-width:2px}.itin-card-top{display:flex;align-items:center;gap:10px}.itin-name{font-size:18px;font-weight:600;color:var(--color-text);line-height:1.3}.itin-desc{font-size:15px;color:var(--color-text-muted);line-height:1.6}.itin-pills{display:flex;flex-wrap:wrap;gap:5px;margin-top:2px}.itin-pill{font-size:11px;font-weight:600;border-radius:0;padding:2px 8px;white-space:nowrap}.itin-cta{font-size:14px;font-weight:600;border-radius:var(--radius-inner);padding:6px 14px;border:1.5px solid;transition:all .2s;margin-top:4px;align-self:flex-start}.master-tag{font-size:12px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;border-radius:0;padding:2px 9px;display:inline-block;margin-bottom:4px}.compat-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-card);padding:16px;display:flex;flex-direction:column;gap:8px;transition:all .2s;cursor:pointer;box-shadow:0 1px 4px #0000000a;text-align:left;width:100%}.compat-card:hover{transform:translateY(-2px)}.compat-card.rec{border-width:2px}.compat-top{display:flex;align-items:flex-start;justify-content:space-between;gap:8px}.compat-name{font-size:15px;font-weight:600;color:var(--color-text);line-height:1.3}.compat-badge{border-radius:0;padding:2px 8px;font-size:11px;font-weight:600;white-space:nowrap;flex-shrink:0}.compat-desc{font-size:13px;color:var(--color-text-muted);line-height:1.5}.compat-match{font-size:13px;color:#475569;line-height:1.6}.compat-link{font-size:13px;font-weight:600;border-radius:0;padding:5px 12px;border:1.5px solid;transition:all .2s;align-self:flex-start;margin-top:2px}.rec-label{display:flex;align-items:center;gap:5px;font-size:13px;font-weight:600;color:#d97706;margin-bottom:2px}.course-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-card);padding:18px;display:flex;flex-direction:column;gap:11px;transition:all .25s;box-shadow:0 1px 4px #0000000a}.course-card:hover{transform:translateY(-3px);box-shadow:0 10px 28px #0000001a}.course-top{display:flex;justify-content:space-between;align-items:flex-start;gap:6px;flex-wrap:wrap}.amb-badge{border-radius:0;padding:3px 9px;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}.req-badge{border-radius:0;padding:3px 8px;font-size:12px;font-weight:600;flex-shrink:0}.course-name{font-size:16px;font-weight:600;line-height:1.4;color:var(--color-text);margin-bottom:2px}.course-sw{font-size:13px;color:var(--color-text-faint);margin-bottom:4px}.course-desc{font-size:14px;color:#475569;line-height:1.6}.revit-note{background:#eff6ff;border-radius:var(--radius-inner);padding:9px 11px;font-size:13px;color:#1e40af;line-height:1.55;border-left:3px solid #BFDBFE}.similar-box{background:#f8fafc;border-radius:var(--radius-inner);padding:9px 11px;font-size:13px;color:var(--color-text-muted);line-height:1.55;border-left:3px solid var(--color-border)}.similar-box strong{color:#374151}.course-meta{display:flex;gap:14px;padding-top:2px;margin-top:auto}.meta-val{font-size:15px;font-weight:600}.meta-lbl{font-size:11px;color:var(--color-text-faint);text-transform:uppercase;letter-spacing:.5px;margin-top:1px}.divider-v{width:1px;background:var(--color-border);align-self:stretch}.course-link{display:block;text-align:center;padding:9px 12px;border-radius:var(--radius-inner);font-size:14px;font-weight:600;transition:all .2s;border:1.5px solid}.course-link.no-link{border-color:var(--color-border);color:var(--color-text-faint);cursor:default}.next-section{margin-top:40px}.section-divider{height:1px;background:var(--color-border);margin-bottom:28px}.section-title{font-size:21px;font-weight:600;color:var(--color-text);margin-bottom:4px}.section-sub{font-size:15px;color:var(--color-text-muted);margin-bottom:16px}.next-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:0;padding:14px;display:flex;flex-direction:column;gap:8px;transition:all .18s;box-shadow:0 1px 3px #0000000a}.next-card:hover{transform:translateY(-2px);box-shadow:0 6px 18px #00000014}.next-card-name{font-size:14px;font-weight:600;color:var(--color-text);line-height:1.3}.next-card-sw{font-size:13px;color:var(--color-text-faint)}.next-card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.next-link{font-size:12px;font-weight:600;border-radius:0;padding:4px 9px;border:1.5px solid;transition:all .2s}.itin-detail-header{background:var(--color-surface);border-radius:var(--radius-card);padding:24px;margin-bottom:28px;border:1.5px solid var(--color-border);box-shadow:0 1px 6px #0000000d}.itin-detail-title{font-size:28px;font-weight:600;margin-bottom:6px}.itin-detail-desc{font-size:16px;color:var(--color-text-muted);line-height:1.6;margin-bottom:16px}.itin-detail-meta{display:flex;gap:20px;flex-wrap:wrap}.itin-steps{display:flex;flex-direction:column}.itin-step{display:flex;gap:16px;align-items:stretch}.step-left{display:flex;flex-direction:column;align-items:center;flex-shrink:0;width:36px}.step-num{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:600;flex-shrink:0;border:2px solid;z-index:1}.step-line{flex:1;width:2px;background:var(--color-border);margin:2px 0}.itin-step:last-child .step-line{display:none}.step-card{background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:0;padding:14px 16px;margin-bottom:10px;flex:1;display:flex;flex-direction:column;gap:6px;transition:all .2s;box-shadow:0 1px 3px #0000000a}.step-card:not(.dimmed):hover{transform:translate(3px)}.step-card.dimmed{opacity:.28;filter:grayscale(.7)}.step-card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:6px}.step-name{font-size:16px;font-weight:600;color:var(--color-text);line-height:1.3}.step-sw{font-size:13px;color:var(--color-text-faint)}.step-meta{display:flex;gap:12px;align-items:center;margin-top:2px}.step-link{font-size:13px;font-weight:600;border-radius:0;padding:3px 9px;border:1.5px solid;transition:all .2s;white-space:nowrap;flex-shrink:0}.known-tag{font-size:12px;background:#f0fdf4;color:#16a34a;border-radius:0;padding:2px 8px;font-weight:600;align-self:flex-start}.empty{text-align:center;padding:52px 20px;color:var(--color-text-faint)}.btn-back{background:var(--color-brand);color:#fff;border:none;border-radius:var(--radius-inner);padding:9px 20px;font-weight:600;font-size:14px;cursor:pointer;margin-top:14px;transition:all .2s}.btn-back:hover{background:var(--color-brand-dark)}@media(max-width:600px){.topbar{padding:12px 12px 0;gap:8px}.breadcrumb{gap:4px}.chip-lbl{font-size:11px}.btn-reset{font-size:11px;padding:4px 10px}.main{padding:20px 12px}.title-row{flex-direction:column;align-items:flex-start;gap:10px}.title-row h2{font-size:21px}.revit-toggle-inline{width:100%}.rtg-lbl{font-size:13px}.rtg-btn{padding:6px 12px;font-size:12px;flex:1;text-align:center;justify-content:center;display:flex;align-items:center;gap:4px}.subtitle{font-size:14px;margin-bottom:18px}.grid-prof,.grid-amb{grid-template-columns:repeat(2,1fr);gap:8px}.grid-res{grid-template-columns:1fr;gap:12px}.grid-itin,.grid-compat{grid-template-columns:1fr;gap:10px}.grid-next{grid-template-columns:1fr;gap:8px}.sel-card{padding:12px 10px;gap:6px}.card-icon svg{width:20px;height:20px}.card-name{font-size:13px}.card-count{font-size:12px}.itin-card{padding:14px}.itin-name{font-size:14px}.itin-desc{font-size:12px}.itin-cta{font-size:12px;padding:5px 12px;width:100%;text-align:center}.compat-card{padding:14px}.compat-link{width:100%;text-align:center}.course-card{padding:14px}.course-name{font-size:14px}.course-desc{font-size:12px}.course-link{font-size:13px}.or-divider{margin:26px 0 16px}.or-divider span{font-size:12px}.itin-detail-header{padding:16px}.itin-detail-title{font-size:21px}.step-card{padding:12px 14px}.step-name{font-size:14px}.section-title{font-size:17px}.section-sub{font-size:13px}}@media(max-width:380px){.grid-prof,.grid-amb{grid-template-columns:1fr}}.explorer-page{background:var(--color-bg);color:var(--color-text);font-family:var(--font);min-height:100vh}