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@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}
/* Grid children must shrink so long file tabs and rich-text previews scroll locally. */
.input-panel,.result-panel,.history-card,.work-layout,.tool-title>div,.about-card{min-width:0}
.preview-tabs,.table-wrap{max-width:100%}
.app-footer a{color:#8798b3;text-decoration:underline;text-underline-offset:3px}
@media(max-width:1000px){.work-layout{grid-template-columns:minmax(0,1fr)}}

/* Portfolio identity; source content and original package branding stay intact. */
.brand{font-size:17px;letter-spacing:-.4px;white-space:nowrap;padding-left:3px;padding-right:0;gap:8px}.brand-mark{flex-shrink:0}.brand small{font-size:7px;letter-spacing:1.4px}.brand-mark .icon{width:20px;height:20px}.hero .portfolio-notice{font-size:10px;color:#929aa9;margin-top:12px}.sidebar{overflow-y:auto}.sidebar-bottom{padding-top:22px}@media(max-width:1000px){.brand{font-size:14px;gap:6px}.brand small{font-size:6px;letter-spacing:1px}}@media(max-width:700px){.brand{font-size:14px}.brand small{font-size:5.5px}.sidebar{overflow:visible}.hero .portfolio-notice{font-size:10px}}

.hero-title{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin:15px 0 14px}.hero-title h1{margin:0;flex-shrink:0}.hero .hero-title .portfolio-notice{display:block;margin:0;padding:8px 12px;background:#eaf0ff;color:#4565a6;border:1px solid #ccd9fa;border-radius:7px;font-size:11px;line-height:1.7;white-space:nowrap}.portfolio-notice strong{font-weight:650;color:#3157ab}@media(max-width:700px){.hero-title{gap:10px;flex-wrap:nowrap}.hero .hero-title .portfolio-notice{font-size:9px;padding:6px 8px}.hero-title h1{font-size:27px}}

.input-details{border:1px solid var(--line);border-radius:7px;margin:16px 0;padding:12px}.input-details summary{font-size:11px;color:#677791;cursor:pointer;margin-bottom:12px}.input-details pre{font-size:10px;overflow:auto;white-space:pre;line-height:1.8}.input-details small{display:block;line-height:1.7;margin-top:8px}.workbook-preview{padding:35px;color:#61718b;line-height:1.9;font-size:13px}

.hero .hero-title .portfolio-notice{font-size:13px;font-weight:500}@media(max-width:700px){.hero .hero-title .portfolio-notice{font-size:10px}}