/* Phase 3: typed cloze. Intentionally scoped to new components. */
.text-cloze-control{display:inline-block;max-width:100%;vertical-align:baseline;margin:3px 5px}
.text-cloze-input{box-sizing:border-box;display:inline-block;width:190px;max-width:100%;min-height:42px;border:1px solid #94a3b8;border-radius:9px;padding:8px 10px;background:var(--sk-surface,#fff);color:var(--sk-ink,#172943);font:inherit;line-height:1.4;vertical-align:baseline}
.text-cloze-input:focus{outline:2px solid #1d4ed8;outline-offset:2px}
.text-cloze-input:disabled{opacity:1;background:var(--sk-surface-soft,#f1f5f9);color:var(--sk-ink,#172943)}
.tc-runtime-note,.tc-note{font-size:13px;line-height:1.8;color:var(--sk-ink-soft,#475569)}
.tc-feedback{display:grid;gap:10px;margin:14px 0}.tc-feedback-row{display:grid;gap:6px;padding:12px;border:1px solid var(--sk-line,#dbe3ee);border-radius:9px;overflow-wrap:anywhere}
.tc-feedback-row.status-correct{border-inline-start:4px solid #16845c}.tc-feedback-row.status-incorrect{border-inline-start:4px solid #be3b48}
.tc-feedback-row small{display:block}.tc-author{line-height:1.9}.tc-author h3{margin:0 0 12px}.tc-author p{font-size:13px}
.tc-blank-editor{border:1px solid var(--sk-line,#dbe3ee);border-radius:12px;padding:16px;margin:18px 0;min-width:0}
.tc-blank-editor legend{font-weight:700;font-size:14px;padding:0 8px}.tc-blank-editor label{display:block;font-size:13px;margin:10px 0}
.tc-blank-editor input:not([type=checkbox]),.tc-blank-editor textarea,.tc-author select{box-sizing:border-box;width:100%;padding:10px;border:1px solid #94a3b8;border-radius:8px;background:var(--sk-surface,#fff);color:var(--sk-ink,#172943);font:inherit}
.tc-blank-editor textarea{min-height:90px;resize:vertical}.tc-blank-editor .tc-check{display:flex;align-items:center;gap:8px}
.tc-button{font:inherit;line-height:1.7;padding:8px 13px;border-radius:8px;border:1px solid #94a3b8;background:var(--sk-surface,#fff);color:var(--sk-ink,#172943);cursor:pointer;margin:4px;max-width:100%;white-space:normal}
.tc-button:disabled{opacity:.55;cursor:not-allowed}.tc-actions{display:flex;gap:8px;flex-wrap:wrap}.tc-notice{padding:12px;background:#fff4df;border-radius:8px;color:#754913}
.tc-preview-result{margin-top:14px;line-height:1.8}.tc-preview input{margin:4px;max-width:90%}
@media(max-width:600px){.text-cloze-input{width:155px;font-size:16px}.tc-blank-editor{padding:12px}.tc-author{min-width:0}}

/* Phase 3b: public numeric unit/format guidance, never a private bound. */
.text-cloze-control:has([data-response-kind="numeric"]){display:inline-flex;max-width:100%;flex-wrap:wrap;align-items:center;gap:.4rem;vertical-align:middle}
.tc-unit{padding:.2rem .4rem;border:1px solid var(--border-color,#cbd5e1);border-radius:.35rem;font-size:.86em;unicode-bidi:isolate;white-space:normal;overflow-wrap:anywhere}
.tc-number-help{display:block;flex-basis:100%;font-size:.72em;color:var(--text-muted,#64748b);line-height:1.7;max-width:30rem}
.tc-numeric-editor{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;background:var(--surface-muted,#f6f8fc);border:1px solid var(--border-color,#d8e2ef);padding:1rem;border-radius:.7rem;margin:.5rem 0}
.tc-numeric-editor .tc-note{grid-column:1/-1;margin:.1rem 0}.tc-numeric-key{display:flex;flex-direction:column;gap:.3rem;overflow-wrap:anywhere}
.tc-author input:disabled{opacity:.7;cursor:not-allowed}.tc-numeric-editor label{min-width:0}
@media(max-width:650px){.tc-numeric-editor{grid-template-columns:1fr;padding:.75rem}.text-cloze-input{max-width:100%}}

/* Phase 4: native radio controls; no layout/behavior changes to older inputs. */
.tc-selection{display:block;max-width:100%;line-height:2.5;margin:.6rem 0;white-space:normal}
.tc-select-passage{display:block;white-space:pre-wrap;overflow-wrap:anywhere}
.tc-selection .tc-select-option{position:relative;display:inline-block;max-width:100%;vertical-align:baseline;cursor:pointer;line-height:2.7;font:inherit;margin:0}
.tc-selection .text-cloze-choice{position:absolute;width:1px!important;height:1px!important;min-height:0!important;opacity:0;margin:0!important;padding:0!important;overflow:hidden;clip-path:inset(50%)}
.tc-selection .tc-select-option>span{padding:.28rem .2rem;border-bottom:2px solid #b5c7df;border-radius:.25rem;box-decoration-break:clone;-webkit-box-decoration-break:clone;white-space:pre-wrap}
.tc-selection .tc-select-option:hover>span{background:var(--surface-muted,#eff4fd)}
.tc-selection input:checked+span{background:#dce9ff!important;color:#163b82!important;border-bottom-color:#1d4ed8}
.tc-selection input:focus-visible+span{outline:2px solid #1d4ed8;outline-offset:3px}
.tc-selection input:disabled+span{cursor:default;opacity:.8}
.tc-selection .tc-select-neutral{white-space:pre-wrap}
.tc-selection .tc-select-clear{position:relative;display:inline-block;font-size:.78em;margin-top:.65rem;padding:.12rem .45rem;border:1px solid #94a3b8;border-radius:.35rem;cursor:pointer;line-height:1.8}
.tc-selection .tc-select-clear>span{display:inline-block;padding:0 .2rem}
.tc-select-hint,.tc-dependency-note{display:block;line-height:1.8;font-size:.76em;color:var(--text-muted,#52657c);max-width:38rem;white-space:normal}
.tc-selection-editor{padding:.8rem;border:1px solid var(--sk-line,#dbe3ee);border-radius:.6rem;background:var(--surface-muted,#f6f8fc)}
.tc-segment-editor{display:grid;grid-template-columns:minmax(120px,1fr) auto auto auto;align-items:center;gap:.5rem;border-top:1px solid var(--sk-line,#dbe3ee);padding:.5rem 0}
.tc-segment-editor label{min-width:0;margin:.3rem 0}.tc-segment-editor .tc-check{font-size:12px}
.tc-preview .tc-selection input{margin:0;max-width:none}
@media(max-width:780px){.tc-segment-editor{grid-template-columns:1fr 1fr}.tc-segment-editor>label:first-child{grid-column:1/-1}.tc-selection-editor{padding:.6rem}.tc-select-option{font-size:16px}}