.tt-box{border-radius:var(--radius);background:var(--card);border:1px solid var(--line);box-shadow:var(--edge);gap:10px;min-width:0;padding:14px;display:grid}.tt-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:8px 12px;display:flex}.tt-head>label,.tt-title{margin:0;font-size:.95rem;font-weight:650}.tt-tools{flex-wrap:wrap;gap:6px;display:flex}.tt-tools .chip-btn{cursor:pointer;align-items:center;gap:6px;display:inline-flex}.tt-tools .chip-btn svg{width:16px;height:16px}.tt-box textarea{border-radius:var(--radius-sm);border:1px solid var(--line-strong);background:var(--surface-2);width:100%;min-height:220px;color:var(--ink);font:inherit;resize:vertical;padding:14px 16px;font-size:1.02rem;line-height:1.6}.tt-box textarea:focus-visible{border-color:var(--sky);outline:none;box-shadow:0 0 0 4px #7cc4ff2e}.tt-box textarea.drag{border-color:var(--sky);border-style:dashed}.tt-live{font-family:var(--font-mono);letter-spacing:.02em;color:var(--muted);margin:0;font-size:.78rem}.tt-check{cursor:pointer;align-items:center;gap:8px;font-size:.92rem;display:inline-flex}.tt-check input{width:18px;height:18px;accent-color:var(--electric);flex:none}.tt-note{color:var(--muted);margin:0;font-size:.85rem}.tt-h{font-family:var(--font-display);letter-spacing:-.02em;margin:0;font-size:1.1rem;font-weight:650}.tt-copy{flex:none;align-items:center;gap:6px;display:inline-flex}.tt-copy svg{width:16px;height:16px}@media (width<=640px){.tt-box{padding:12px}.tt-head{justify-content:stretch;gap:10px;display:grid}.tt-tools{flex-wrap:wrap;gap:8px;display:flex}.tt-tools>*{flex:auto}.tt-tools .chip-btn,.tt-tools .btn{white-space:nowrap;justify-content:center;min-height:44px;padding:0 10px}.tt-check{min-height:44px}.tt-box textarea{padding:12px 14px}}