/* Declarative extensions — uses the same panel tokens and controls as the core UI. */
.tc-extension-dashboard{display:grid;gap:18px;min-width:0}
.tc-extension-hero{display:grid;gap:16px}
.tc-extension-upload-actions{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:end}
.tc-extension-upload-form{display:grid;grid-template-columns:minmax(280px,1fr) auto;gap:12px;align-items:end;min-width:0}
.tc-extension-sdk-form{align-self:end;margin:0}
.tc-extension-sdk-button,.tc-extension-install-button{display:inline-flex!important;align-items:center;justify-content:center;gap:8px;white-space:nowrap}
.tc-extension-button-icon{display:inline-grid;place-items:center;flex:0 0 auto}
.tc-extension-button-icon svg{width:17px;height:17px}
.tc-extension-file{position:relative;display:grid;gap:7px;min-width:0;cursor:pointer}
.tc-extension-file-label{font-size:var(--tc-type-small);font-weight:700;color:var(--tc-color-heading)}
.tc-extension-file-input{position:absolute!important;width:1px!important;height:1px!important;overflow:hidden!important;clip:rect(0 0 0 0)!important;clip-path:inset(50%)!important;white-space:nowrap!important;opacity:0!important;pointer-events:none!important}
.tc-extension-file-control{display:flex;align-items:center;gap:10px;min-width:0;min-height:var(--tc-go-control-h);padding:5px;border:1px solid var(--tc-color-field-border);border-radius:var(--tc-go-radius);background:var(--tc-color-field-bg);box-sizing:border-box;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease}
.tc-extension-file:hover .tc-extension-file-control{border-color:var(--tc-color-action-border)}
.tc-extension-file:focus-within .tc-extension-file-control{border-color:var(--tc-color-primary);box-shadow:0 0 0 3px var(--tc-color-primary-soft)}
.tc-extension-file-button{display:inline-flex!important;align-items:center;justify-content:center;gap:7px;flex:0 0 auto;min-height:38px!important;margin:0!important;pointer-events:none}
.tc-extension-file-name{display:block;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--tc-color-muted);font-size:var(--tc-type-small)}
.tc-extension-file.has-file .tc-extension-file-name{color:var(--tc-color-text);font-weight:600}
.tc-extension-slot-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.tc-extension-slot-item{display:flex;align-items:center;gap:10px;min-width:0;padding:12px;border:1px solid var(--tc-color-border);border-radius:var(--tc-go-radius);background:var(--tc-color-surface-subtle);color:var(--tc-color-text);text-decoration:none;box-sizing:border-box}
.tc-extension-slot-item>span{display:grid;place-items:center;flex:0 0 36px;width:36px;height:36px;border-radius:10px;background:var(--tc-color-primary-soft);color:var(--tc-color-primary)}
.tc-extension-slot-item svg{width:18px;height:18px}
.tc-extension-slot-item>div{display:grid;gap:3px;min-width:0}
.tc-extension-slot-item strong{font-size:var(--tc-type-body);color:var(--tc-color-heading);overflow-wrap:anywhere}
.tc-extension-slot-item small{font-size:var(--tc-type-caption);color:var(--tc-color-muted);overflow-wrap:anywhere}
.tc-extension-health{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
.tc-extension-health>div{display:flex;gap:10px;align-items:flex-start;padding:12px;border:1px solid var(--tc-color-border);border-radius:var(--tc-go-radius);background:var(--tc-color-surface-subtle);min-width:0}
.tc-extension-health>div>span{display:grid;place-items:center;flex:0 0 32px;width:32px;height:32px;border-radius:50%}
.tc-extension-health .is-ok>span{background:var(--tc-color-success-soft);color:var(--tc-color-success)}
.tc-extension-health .is-warning>span{background:var(--tc-color-warning-soft);color:var(--tc-color-warning)}
.tc-extension-health>div>div{display:grid;gap:3px;min-width:0}.tc-extension-health small{color:var(--tc-color-muted);overflow-wrap:anywhere}
/* Installed-extension counters deliberately reuse the panel's native stat cards. */
.tc-extension-summary{grid-template-columns:repeat(3,minmax(0,1fr))!important;margin:0!important}
.tc-extension-summary .tc-stat{min-width:0}
.tc-extension-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;min-width:0}
.tc-extension-card{display:grid;gap:14px;align-content:start}.tc-extension-card.is-inactive{background:var(--tc-color-surface-subtle)}
.tc-extension-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;min-width:0}.tc-extension-card-head>div{min-width:0}.tc-extension-card-head h3{margin:0 0 4px;font-size:var(--tc-type-card-title);color:var(--tc-color-heading)}.tc-extension-card-head small{color:var(--tc-color-muted);overflow-wrap:anywhere}
.tc-extension-card p{margin:0;color:var(--tc-color-text);line-height:1.8}
.tc-extension-tags{display:flex;flex-wrap:wrap;gap:6px}.tc-extension-tags span{display:inline-flex;padding:5px 8px;border:1px solid var(--tc-color-border);border-radius:999px;background:var(--tc-color-surface-subtle);font-size:var(--tc-type-caption);color:var(--tc-color-muted)}
.tc-extension-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.tc-extension-actions form{margin:0;width:auto!important}
.tc-extension-slot{margin-top:18px}.tc-extension-slot-item:hover{border-color:var(--tc-color-action-border);background:var(--tc-color-primary-soft)}
.tc-extension-module-page{display:grid;gap:18px}.tc-extension-metric{display:block;font-size:32px;color:var(--tc-color-heading);font-weight:800}
.tc-admin-language-form{margin:0;display:flex;align-items:center}.tc-admin-language-form select{min-height:38px;max-width:150px;padding:6px 28px 6px 10px;border:1px solid var(--tc-color-border);border-radius:10px;background:var(--tc-color-surface);font:inherit;color:var(--tc-color-text)}
@media (max-width:980px){.tc-extension-slot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.tc-extension-health{grid-template-columns:1fr}.tc-extension-grid{grid-template-columns:1fr}}
@media (max-width:700px){.tc-extension-upload-actions,.tc-extension-upload-form{grid-template-columns:1fr}.tc-extension-upload-actions>form,.tc-extension-upload-actions .button,.tc-extension-upload-form .button{width:100%!important}.tc-extension-sdk-form{width:100%}.tc-extension-slot-grid,.tc-extension-summary{grid-template-columns:1fr!important}.tc-extension-file-control{width:100%}.tc-extension-file-button{width:auto!important}.tc-extension-card-head{align-items:stretch;flex-direction:column}.tc-extension-actions{display:grid;grid-template-columns:1fr 1fr}.tc-extension-actions>*{width:100%!important}.tc-extension-actions .button{width:100%!important}.tc-admin-language-form select{max-width:110px}}
@media (max-width:430px){.tc-extension-actions{grid-template-columns:1fr}.tc-extension-file-control{align-items:stretch;flex-direction:column}.tc-extension-file-button{width:100%!important}.tc-extension-file-name{padding:2px 6px;text-align:center}}
.tc-extension-tabs{display:grid;gap:10px}.tc-extension-tab{padding:12px;border:1px solid var(--tc-color-border);border-radius:var(--tc-go-radius);background:var(--tc-color-surface-subtle)}.tc-extension-tab strong{display:block;color:var(--tc-color-heading);margin-bottom:4px}.tc-extension-tab p{margin:0;color:var(--tc-color-text)}