/* CSS transition generator (#77) */
.container--transition-tool{width:min(100% - 1.5rem,82rem);max-width:100%}.transition-tool-intro{max-width:66rem}.transition-app{display:grid;gap:1rem;margin:1.5rem 0 2rem}
.transition-settings,.transition-preview-panel,.transition-result-panel{box-sizing:border-box;min-width:0;margin:0;padding:clamp(1rem,2.4vw,1.4rem)}
.transition-panel-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1rem}.transition-panel-heading h2{margin:0}.transition-panel-heading p{margin:.2rem 0 0;color:var(--color-muted);font-size:.86rem}.transition-heading-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.5rem}.transition-heading-actions .button:disabled{cursor:not-allowed;opacity:.5}
.transition-none-toggle{display:flex;align-items:flex-start;gap:.7rem;margin-bottom:1rem;padding:.8rem;border:1px solid rgba(20,107,99,.25);border-radius:var(--radius-md);background:rgba(20,107,99,.06);cursor:pointer}.transition-none-toggle input{flex:0 0 auto;width:1.2rem;height:1.2rem;margin:.15rem 0 0;accent-color:var(--color-primary)}.transition-none-toggle span{display:grid;min-width:0;gap:.15rem}.transition-none-toggle small{color:var(--color-muted);line-height:1.45}
.transition-rows{display:grid;min-width:0;gap:.8rem}.transition-row{box-sizing:border-box;min-width:0;margin:0;padding:.9rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-soft)}.transition-row:disabled{opacity:.58}.transition-row legend{padding:0 .35rem;color:var(--color-primary);font-weight:900}.transition-row-fields{display:grid;grid-template-columns:minmax(10rem,1.2fr) minmax(10rem,.85fr) minmax(12rem,1.2fr) minmax(10rem,.85fr) minmax(10rem,.85fr);gap:.7rem;align-items:start}.transition-field-group{box-sizing:border-box;min-width:0}.transition-field-group label{display:grid;min-width:0;gap:.3rem;color:var(--color-text);font-size:.8rem;font-weight:800}.transition-field-group label+label{margin-top:.55rem}.transition-field-group input,.transition-field-group select{box-sizing:border-box;width:100%;max-width:100%;min-width:0;min-height:44px;padding:.5rem .6rem;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text);font:inherit}.transition-field-group input:focus,.transition-field-group select:focus{border-color:var(--color-primary);outline:3px solid rgba(20,107,99,.18)}.transition-field-group input[aria-invalid="true"],.transition-field-group select[aria-invalid="true"]{border-color:var(--color-danger);background:#fff7f6}.transition-time-field{display:grid;grid-template-columns:minmax(0,1fr) 4.5rem;gap:.5rem}.transition-time-field .transition-field-error{grid-column:1/-1}.transition-field-error{display:block;min-height:1.3em;margin:.2rem 0 0;color:var(--color-danger);font-size:.76rem;font-weight:750}.transition-row-actions{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:.8rem}.transition-row-actions .button{min-width:0;padding:.5rem .7rem}.transition-row-actions .button:disabled{cursor:not-allowed;opacity:.45}.transition-row-actions .button:focus-visible,.transition-heading-actions .button:focus-visible,.transition-preview-panel .button:focus-visible,.transition-result-panel .button:focus-visible{outline:3px solid rgba(20,107,99,.34);outline-offset:2px}
.transition-help{margin:.85rem 0 0;color:var(--color-muted);font-size:.85rem;line-height:1.6}.transition-validation,.transition-warning{min-height:1.5em;margin:.55rem 0 0;font-weight:800}.transition-validation{color:var(--color-danger)}.transition-warning{color:#7a4d12}
.transition-preview-stage{box-sizing:border-box;width:100%;max-width:100%;min-height:150px;padding:34px 16px;overflow:hidden;border:1px solid var(--color-border);border-radius:var(--radius-md);background:repeating-linear-gradient(90deg,#eef6f4 0,#eef6f4 1px,transparent 1px,transparent 10%)}.transition-preview-object{display:grid;width:72px;height:72px;place-items:center;border-radius:14px;background-color:#146b63;color:#fff;font-weight:900;box-shadow:0 10px 22px rgba(20,107,99,.24);will-change:transform,opacity,border-radius,background-color}.transition-preview-note{margin:.7rem 0 0;color:var(--color-muted);font-size:.86rem}
.transition-result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem}.transition-result-grid>section{box-sizing:border-box;min-width:0;padding:.9rem;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface-soft)}.transition-result-grid>section[data-transition-fallback-wrap]{grid-column:1/-1}.transition-result-grid>section>p{margin:.2rem 0 .6rem;color:var(--color-muted);font-size:.82rem}.transition-result-heading{display:flex;align-items:center;justify-content:space-between;gap:.7rem}.transition-result-heading h3{margin:0;color:var(--color-primary)}.transition-result-grid pre{box-sizing:border-box;width:100%;max-width:100%;min-height:4rem;margin:.75rem 0 0;padding:.8rem;overflow:auto;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}.transition-result-grid code{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;line-height:1.55}.transition-result-grid .button:disabled{cursor:not-allowed;opacity:.5}.transition-status{min-height:1.5em;margin:.7rem 0 0;color:var(--color-primary);font-weight:750}.transition-status[data-state="error"]{color:var(--color-danger)}.transition-faq{margin-top:1rem}
@media(max-width:1080px){.transition-row-fields{grid-template-columns:repeat(2,minmax(0,1fr))}.transition-field-group:last-child{grid-column:1/-1}}
@media(max-width:760px){.transition-panel-heading{align-items:stretch;flex-direction:column}.transition-heading-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));justify-content:stretch}.transition-heading-actions .button,.transition-preview-panel .button{width:100%;min-width:0}.transition-row-fields,.transition-result-grid{grid-template-columns:1fr}.transition-field-group:last-child,.transition-result-grid>section[data-transition-fallback-wrap]{grid-column:auto}}
@media(max-width:420px){.container--transition-tool{width:min(100% - 1rem,82rem);max-width:100%;padding-inline:0}.transition-app,.transition-settings,.transition-preview-panel,.transition-result-panel,.transition-rows,.transition-row,.transition-row-fields,.transition-field-group,.transition-field-group input,.transition-field-group select,.transition-preview-stage,.transition-result-grid,.transition-result-grid>section,.transition-result-grid pre{width:100%;max-width:100%;min-width:0}.transition-settings,.transition-preview-panel,.transition-result-panel{padding:.85rem}.transition-row{padding:.75rem}.transition-row-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.transition-row-actions .button{width:100%;min-width:0}.transition-result-heading{align-items:stretch;flex-direction:column}.transition-result-heading .button{width:100%;min-width:0}.transition-preview-object{width:62px;height:62px}}
@media(prefers-reduced-motion:reduce){.transition-preview-object{will-change:auto}}