.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.conv-input{display:grid;grid-template-columns:minmax(140px,260px) minmax(180px,300px);gap:var(--space-3);align-items:end}@media(max-width:560px){.conv-input{grid-template-columns:1fr 1fr}}.conv-input .seg-label{display:block;margin-bottom:var(--space-2)}.conv-select{appearance:none;cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,currentColor 50%),linear-gradient(135deg,currentColor 50%,transparent 50%);background-position:calc(100% - 17px) 55%,calc(100% - 12px) 55%;background-size:5px 5px;background-repeat:no-repeat;padding-right:32px}.conv-select--compact{width:auto;padding-top:7px;padding-bottom:7px;font-size:13px}.conv-grid{display:grid;gap:var(--space-4);margin-top:var(--space-5);grid-template-columns:repeat(auto-fit,minmax(260px,1fr));align-items:start}.conv-group{background:var(--surface-card);border:1px solid var(--surface-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.conv-group__head{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-2);padding:11px 15px;border-bottom:1px solid var(--surface-border);background:var(--surface-sunken)}.conv-group__title{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-tertiary)}.conv-group__note{font-size:11.5px;color:var(--text-tertiary);white-space:nowrap}.conv-row{display:flex;align-items:center;gap:var(--space-3);padding:9px 15px;border-bottom:1px solid var(--surface-border);transition:background-color var(--duration-fast) var(--ease-standard)}.conv-row:last-child{border-bottom:none}.conv-row--source{background:var(--brand-soft)}.conv-row__label{flex:0 0 3.4em;font-size:13px;font-weight:650;color:var(--text-secondary)}.conv-row--source .conv-row__label{color:var(--brand-text)}.conv-row__value{flex:1 1 auto;min-width:0;text-align:right;font-size:13.5px;color:var(--text-primary);overflow-wrap:anywhere}.conv-bulk-input{min-height:200px;resize:vertical;white-space:pre;line-height:1.9}.conv-target{display:inline-flex;align-items:center;gap:var(--space-2)}.conv-target__label{font-size:12.5px;font-weight:600;color:var(--text-secondary);white-space:nowrap}.conv-table td{vertical-align:middle}.conv-table__unitname{color:var(--text-tertiary);font-size:12px}.conv-table__row--error td{color:var(--text-tertiary)}.conv-table__error{color:var(--danger);font-size:12.5px}.conv-time{margin-top:var(--space-6);padding-top:var(--space-5);border-top:1px solid var(--surface-border)}.conv-time__result{display:flex;align-items:baseline;gap:var(--space-4);flex-wrap:wrap;margin-top:var(--space-4);padding:var(--space-4) var(--space-5);background:var(--surface-card);border:1px solid var(--surface-border);border-left:3px solid var(--brand);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}.conv-time__duration{font-family:var(--font-mono);font-size:clamp(22px,3.4vw,30px);font-weight:700;letter-spacing:-.02em;color:var(--text-primary)}.conv-time__note{flex:1 1 260px;font-size:12.5px;line-height:1.55;color:var(--text-secondary)}