:root{--primary:#2563eb;--primary-dark:#1d4ed8;--surface:#ffffff;--surface-muted:#f4f6fb;--border:#e2e8f0;--text-main:#0f172a;--text-muted:#64748b;--shadow-soft:0 2px 8px rgba(0,0,0,.06);}
.cv-tool{margin-bottom:2rem;}
.cv-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.25rem;box-shadow:var(--shadow-soft);}
.cv-algo{margin-bottom:1rem;}
.cv-algo-label{display:block;font-size:0.8125rem;font-weight:600;color:var(--text-muted);margin-bottom:0.5rem;}
.cv-algo-strip{display:flex;flex-wrap:wrap;gap:0.5rem;}
.cv-algo-btn{padding:0.5rem 1rem;font-size:0.875rem;font-weight:500;border:1px solid var(--border);background:var(--surface);color:var(--text-main);border-radius:8px;cursor:pointer;transition:border-color .2s,background .2s,color .2s;}
.cv-algo-btn:hover{border-color:var(--primary);color:var(--primary);}
.cv-algo-btn.is-active{background:var(--primary);border-color:var(--primary);color:#fff;}
.cv-meta-line{font-size:0.75rem;color:var(--text-muted);margin-top:0.375rem;}
.cv-input-group{margin-bottom:1rem;}
.cv-input-label{display:block;font-size:0.8125rem;font-weight:600;color:var(--text-main);margin-bottom:0.5rem;}
.cv-input{width:100%;min-height:120px;padding:0.875rem 1rem;font-size:0.875rem;font-family:ui-monospace,monospace;line-height:1.5;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text-main);resize:vertical;}
.cv-input::placeholder{color:var(--text-muted);}
.cv-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15);}
.cv-actions{display:flex;flex-wrap:wrap;gap:0.75rem;margin-bottom:1rem;}
.cv-btn{padding:0.625rem 1.25rem;font-size:0.875rem;font-weight:600;border-radius:8px;cursor:pointer;transition:background .2s,transform .1s;}
.cv-btn--primary{background:var(--primary);border:none;color:#fff;}
.cv-btn--primary:hover{background:var(--primary-dark);}
.cv-btn--secondary{background:var(--surface);border:1px solid var(--border);color:var(--text-main);}
.cv-btn--secondary:hover{border-color:var(--primary);color:var(--primary);}
.cv-result-group{margin-top:0;}
.cv-result-head{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:0.5rem;margin-bottom:0.5rem;}
.cv-result-label{font-size:0.8125rem;font-weight:600;color:var(--text-main);}
.cv-copy{padding:0.375rem 0.75rem;font-size:0.75rem;font-weight:500;background:var(--surface-muted);border:1px solid var(--border);border-radius:6px;color:var(--text-main);cursor:pointer;transition:background .2s,border-color .2s;}
.cv-copy:hover{background:var(--border);}
.cv-copy.is-done{color:var(--primary);}
.cv-result{width:100%;min-height:80px;padding:0.875rem 1rem;font-size:0.8125rem;font-family:ui-monospace,monospace;line-height:1.5;word-break:break-all;white-space:pre-wrap;background:var(--surface-muted);color:var(--text-muted);border-radius:8px;border:1px solid var(--border);}
.cv-result:empty::before{content:attr(data-placeholder);color:var(--text-muted);}
@media (min-width:480px){.cv-card{padding:1.5rem;}.cv-algo-strip{gap:0.625rem;}.cv-algo-btn{padding:0.5625rem 1.125rem;}}
@media (min-width:768px){.cv-card{padding:1.75rem;}.cv-input{min-height:140px;}.cv-actions{gap:1rem;}.cv-btn{padding:0.75rem 1.5rem;}}