.technical-catalog-workspace{min-width:0;display:grid;gap:20px}
.tc-page-head,.tc-section-head{display:flex;align-items:center;justify-content:space-between;gap:16px}
.tc-page-head h2{margin:5px 0 0;font-size:clamp(1.35rem,2vw,1.8rem)}
.tc-actions,.tc-presets{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.tc-tabs{display:flex;gap:6px;border-bottom:1px solid #d9e5eb;padding-bottom:8px;overflow:auto}
.tc-tabs button{background:transparent;border:0;border-radius:10px;padding:12px 18px;color:#456276;font:inherit;font-weight:650;cursor:pointer;white-space:nowrap;min-height:44px}
.tc-tabs button[aria-current=page]{color:#173c50;background:#fff1c6;box-shadow:inset 0 -2px #ffba00}
.tc-filter{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin-bottom:20px}.tc-filter label{flex:1 1 150px}.tc-filter label:first-child{flex:2 1 230px}.tc-filter>.btn{max-width:100%;white-space:normal}
.tc-dialog{width:min(1040px,calc(100vw - 32px));max-height:calc(100dvh - 32px);padding:0;border:1px solid #d9e5eb;border-radius:22px;background:#fff;color:#123346;box-shadow:0 24px 80px #0a283738;overscroll-behavior:contain}
.tc-dialog::backdrop{background:rgb(6 27 40 / .42)}
.tc-dialog>header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;border-bottom:1px solid #dce7ec;position:sticky;top:0;background:#fff;z-index:3}
.tc-dialog>header h2{font-size:1.2rem;margin:0}.tc-dialog-body{padding:24px;display:grid;gap:24px}.tc-dialog form{display:grid;gap:20px;min-width:0}
.tc-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.tc-full{grid-column:1/-1}
.tc-dialog label,.tc-filter label{display:flex;flex-direction:column;gap:7px;font-size:.84rem;line-height:1.45;color:#4a6476;min-width:0}
.tc-dialog input:not([type=checkbox]),.tc-dialog select,.tc-dialog textarea,.tc-filter input,.tc-filter select{width:100%;min-width:0;min-height:44px;padding:10px 12px;border:1px solid #ccdce5;border-radius:10px;background:#fff;font:inherit;color:#153747;box-sizing:border-box}
.tc-dialog input:focus-visible,.tc-dialog select:focus-visible,.tc-dialog textarea:focus-visible,.tc-tabs button:focus-visible{outline:3px solid #53a9c1;outline-offset:2px}
.tc-dialog input:disabled,.tc-dialog select:disabled,.tc-dialog textarea:disabled{opacity:1;background:#f4f7f9;color:#4e6877}
.tc-dialog fieldset{border:1px solid #dce6ec;border-radius:14px;padding:18px;min-width:0;margin:0}.tc-dialog legend{font-weight:650;font-size:.94rem;padding:0 7px}.tc-dialog legend .muted{font-size:.75rem;font-weight:400}
.tc-dialog details>summary{padding:12px 0;min-height:44px;cursor:pointer;font-weight:650;box-sizing:border-box}.tc-specs>summary{display:flex;align-items:center;justify-content:space-between;gap:12px}.tc-specs>summary::before{content:'⌄'}
.tc-dialog .tc-checks{display:flex;flex-wrap:wrap;gap:14px}.tc-checks label{flex-direction:row;align-items:center;min-height:44px}.tc-checks input{accent-color:#006e79;width:18px;height:18px}
.tc-groups{display:grid;gap:20px}.tc-groups fieldset>.btn{margin-top:14px}.tc-presets button{font-size:.8rem}.tc-item{display:grid;grid-template-columns:minmax(150px,1.5fr) minmax(160px,1.4fr) minmax(80px,.6fr) auto;align-items:end;gap:12px;padding:16px 0;border-bottom:1px solid #e5edf1}.tc-item:last-child{border-bottom:0}
.tc-form-footer{display:flex;justify-content:flex-end;align-items:center;gap:12px;flex-wrap:wrap;padding-top:14px;border-top:1px solid #dce6ec}.tc-secondary{border-top:1px solid #dce6ec;padding-top:18px}.tc-secondary h3{font-size:1rem;margin:0 0 12px}
.tc-validation{background:#fff8dd;border:1px solid #eed389;border-radius:12px;padding:16px;font-size:.9rem;line-height:1.5;color:#6d510a}.tc-validation ul{padding-left:20px;margin:10px 0 0}.tc-success{color:#087550}
.tc-derived{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:16px}.tc-derived>div{padding:14px;border-radius:12px;background:#f0f6f7;display:grid;gap:10px}.tc-derived span{font-size:.8rem;color:#526e7e}.tc-derived strong{font-size:1.1rem;overflow-wrap:anywhere}.tc-summary>.badge{margin-bottom:12px}
.tc-dialog dl{display:grid;grid-template-columns:minmax(120px,1fr) minmax(100px,1fr);gap:10px;font-size:.85rem}.tc-dialog dt{color:#506b7c}.tc-dialog dd{margin:0;overflow-wrap:anywhere}.tc-dialog .semantic-table{max-width:100%;min-width:0}.tc-list .cell-identity small{display:block;margin-top:4px}.tc-legacy{border:1px solid #e3cd96;border-radius:12px;padding:12px 16px}
@media(max-width:767px){.tc-page-head{align-items:start}.tc-page-head .tc-actions{justify-content:flex-end}.tc-dialog{width:calc(100vw - 16px);max-height:calc(100dvh - 16px);border-radius:16px}.tc-dialog>header{padding:16px}.tc-dialog-body{padding:16px}.tc-form-grid{grid-template-columns:1fr}.tc-item{grid-template-columns:1fr 1fr}.tc-item>label:first-child,.tc-item>label:nth-child(2){grid-column:1/-1}.tc-item>.btn{justify-self:end}.tc-derived{grid-template-columns:1fr 1fr}.tc-dialog fieldset{padding:14px}.tc-tabs button{padding:12px}.tc-form-footer .btn{flex:1}.tc-dialog .tc-checks{display:grid;grid-template-columns:1fr}.tc-dialog dl{grid-template-columns:1fr}.tc-dialog dd{padding-bottom:8px}.tc-section-head{flex-wrap:wrap}}
@media(prefers-reduced-motion:no-preference){.tc-tabs button{transition:background .16s ease,color .16s ease}.tc-dialog[open]{animation:tc-reveal .18s ease-out}@keyframes tc-reveal{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}}
@media(max-width:767px){.tc-dialog input:not([type=checkbox]),.tc-dialog select,.tc-dialog textarea,.tc-filter input,.tc-filter select{font-size:16px}}

/* Guided kit type registration: the same reading order at every width. */
.tc-kit-components{display:grid;gap:18px;min-width:0}
.tc-kit-section-title h3{font-size:1rem;margin:0 0 6px;text-wrap:balance}
.tc-kit-section-title p,.tc-kit-inline-note{margin:0;color:#526b7a;font-size:.84rem;line-height:1.5}
.tc-kit-applications .tc-kit-inline-note{flex-basis:100%}
.tc-kit-families{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.tc-dialog .tc-kit-family{display:flex;flex-direction:row;align-items:center;gap:12px;min-height:82px;padding:14px;border:1px solid #dce6ec;border-radius:12px;cursor:pointer;background:#f8fafb;box-sizing:border-box}
.tc-kit-family.is-selected{background:#f0f8f6;border-color:#6da89e;box-shadow:inset 3px 0 #08766d}
.tc-kit-family input{width:18px;height:18px;accent-color:#08766d;flex-shrink:0}
.tc-kit-family svg{flex-shrink:0;color:#08766d}.tc-kit-family span{min-width:0}
.tc-kit-family strong{display:block;color:#143749;font-size:.92rem}.tc-kit-family small{display:block;margin-top:3px;font-size:.78rem}
.tc-kit-family:hover{border-color:#427e83}.tc-kit-family:focus-within{outline:3px solid #53a9c1;outline-offset:2px}
.tc-kit-family-section{display:grid;gap:12px;min-width:0;scroll-margin-top:90px}
.tc-kit-family-section>header{display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #dce6ec;padding:8px 0 12px}
.tc-kit-family-section h3{font-size:1rem;margin:0}.tc-kit-family-section>header span{font-size:.8rem;color:#526b7a}
.tc-kit-items{display:grid;gap:12px}.tc-dialog .tc-kit-component{position:relative;padding:14px 16px;background:#fff;border-radius:12px}
.tc-kit-component-fields{display:grid;grid-template-columns:1.4fr 1.2fr .8fr 1fr;align-items:center;gap:12px}
.tc-kit-component-fields .tc-kit-inline-note{align-self:center}
.tc-dialog .tc-kit-options>summary{font-size:.84rem;color:#315969;font-weight:500;padding:12px 0}
.tc-kit-options .tc-form-grid{padding:0 0 8px}.tc-kit-remove{margin-top:8px;font-size:.8rem}
.tc-kit-add{display:flex;align-items:end;justify-content:flex-end;gap:10px;padding-bottom:8px}.tc-kit-add label{flex:1;max-width:320px}
.tc-kit-change-notice{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.85rem;color:#315969}.tc-kit-change-notice:empty{display:none}
.tc-kit-empty{background:#f5f8fa;border-radius:12px;padding:18px;font-size:.9rem;color:#526b7a;margin:0}
.tc-kit-type-form :is(button,input,select,summary):focus-visible{outline:3px solid #53a9c1;outline-offset:2px;scroll-margin-top:100px}
.tc-kit-type-form :is(strong,legend,p){overflow-wrap:break-word}
@media(max-width:900px){.tc-kit-component-fields{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.tc-kit-families,.tc-kit-component-fields{grid-template-columns:1fr}.tc-kit-add{align-items:stretch;flex-direction:column}.tc-kit-add label{max-width:none}.tc-kit-family-section>header{padding-top:4px}.tc-kit-family-section .tc-kit-remove{width:100%}.tc-dialog .tc-kit-family{min-height:76px}.tc-kit-type-form .tc-form-footer{flex-direction:column;align-items:stretch}}
@media(min-width:360px) and (max-width:767px){.tc-dialog .tc-checks.tc-kit-applications{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.tc-kit-applications input{flex-shrink:0}}
@media(prefers-reduced-motion:no-preference){.tc-kit-family-section{animation:tc-reveal .16s cubic-bezier(.2,.7,.3,1)}.tc-kit-family:active{transform:translateY(1px)}}

.tc-cell-context{display:none}
@media screen and (max-width:767px){.tc-cell-context{display:inline;font-weight:500;margin-inline-end:.4em;color:#526b7a}}

/* Progressive disclosure keeps commercial catalog work concise while preserving engineering review. */
.tc-guided-intro{display:flex;align-items:flex-start;gap:12px;padding:14px 16px;border:1px solid #d9e6ea;border-radius:14px;background:linear-gradient(135deg,#f5faf9,#fbfcfd)}
.tc-guided-intro strong{display:block;color:#123346;font-size:.95rem}.tc-guided-intro p{margin:4px 0 0;color:#526b7a;font-size:.84rem;line-height:1.45}
.tc-step-number{display:grid;place-items:center;width:28px;height:28px;flex:0 0 28px;border-radius:9px;background:#0b6670;color:#fff;font-size:.78rem;font-weight:750}
.tc-specs>summary span,.tc-materials-panel>summary span,.tc-engineering-panel>summary span{display:grid;gap:2px}
.tc-specs>summary small,.tc-materials-panel>summary small,.tc-engineering-panel>summary small,.tc-advanced-rules>summary small{font-size:.76rem;font-weight:500;color:#597180}
.tc-section-copy{margin:0 0 16px;color:#526b7a;font-size:.84rem;line-height:1.5}
.tc-advanced-rules{border:1px solid #dce6ec;border-radius:14px;background:#f8fafb;overflow:hidden}
.tc-dialog .tc-advanced-rules>summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 16px}
.tc-advanced-rules-body{display:grid;gap:18px;padding:4px 16px 18px;background:#fff;border-top:1px solid #e3ecef}
.tc-kit-primary-groups{display:grid;gap:14px}.tc-kit-primary-groups>.tc-kit-section-title{padding-bottom:10px;border-bottom:1px solid #dce6ec}
.tc-composition-group{background:#fff}.tc-requirement{display:inline-flex;margin:0 0 10px;padding:5px 9px;border-radius:999px;background:#fff5d8;color:#765500;font-size:.78rem;font-weight:650}.tc-requirement.is-complete{background:#e8f6ef;color:#087550}
.tc-materials-panel>summary,.tc-engineering-panel>summary{display:flex;align-items:center;justify-content:space-between;gap:16px}
.tc-materials-panel[open]>summary,.tc-engineering-panel[open]>summary{margin-bottom:16px}
.tc-summary{display:grid;gap:14px;padding:18px;border:1px solid #dce6ec;border-radius:16px;background:#fbfcfd}.tc-summary-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.tc-summary-head h3{margin:3px 0 0;font-size:1.05rem}.tc-summary-head .badge{flex-shrink:0}
.tc-validation-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.tc-validation-head span{color:#7e651e;font-size:.8rem}
.tc-validation-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.tc-validation-group{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:11px 12px;border:1px solid #ecdba8;border-radius:10px;background:#fffdf5}.tc-validation-group.is-error{border-color:#ecc6bd;background:#fff8f6}.tc-validation-group p{margin:3px 0 0;font-size:.78rem;line-height:1.4}.tc-validation-group>span{display:grid;place-items:center;min-width:24px;height:24px;border-radius:999px;background:#f6e7b7;font-size:.76rem;font-weight:750}.tc-validation-details{margin-top:8px;border-top:1px solid #ead79f}.tc-dialog .tc-validation-details>summary{font-size:.8rem;font-weight:600}.tc-validation-details ul{max-height:220px;overflow:auto;padding-right:8px}
@media(max-width:600px){.tc-validation-groups{grid-template-columns:1fr}.tc-validation-head,.tc-summary-head,.tc-materials-panel>summary,.tc-engineering-panel>summary,.tc-dialog .tc-advanced-rules>summary{align-items:flex-start;flex-direction:column}.tc-validation-head span{max-width:28ch}.tc-summary{padding:14px}.tc-guided-intro{padding:12px}.tc-advanced-rules-body{padding:4px 12px 14px}}
