.dt-utility-tool{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,540px);gap:18px}.dt-utility-card{background:var(--card);border:1px solid var(--border);border-radius:8px;padding:18px;box-shadow:var(--shadow-soft)}.dt-utility-controls{display:grid;gap:12px}.dt-utility-controls label{display:grid;gap:6px;color:var(--muted);font-size:12px;font-weight:800}.dt-utility-controls input,.dt-utility-controls textarea,.dt-utility-controls select{width:100%;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);padding:10px;font:inherit}.dt-utility-textarea{min-height:240px;font:13px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;resize:vertical}.dt-utility-output{min-height:280px;border:1px solid var(--border);border-radius:8px;background:var(--surface);padding:12px;overflow:auto;white-space:pre-wrap}.dt-utility-table{width:100%;border-collapse:collapse;font-size:12px}.dt-utility-table th,.dt-utility-table td{border-bottom:1px solid var(--border);padding:8px;text-align:left;vertical-align:top;word-break:break-word}.dt-utility-table th{color:var(--muted);font-size:11px;text-transform:uppercase}.dt-utility-status{color:var(--muted);font-size:12px;font-weight:800}.dt-calendar-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}.dt-calendar-cell{min-height:52px;border:1px solid var(--border);border-radius:8px;background:var(--card);padding:7px;font-size:12px}.dt-calendar-cell.is-muted{opacity:.45}.dt-calendar-cell.is-selected{outline:2px solid #2563eb}.dt-calendar-cell.is-today{background:rgba(34,197,94,.14)}.dt-countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.dt-countdown span{border:1px solid var(--border);border-radius:8px;background:var(--card);padding:14px;text-align:center;font-weight:900}.dt-countdown small{display:block;color:var(--muted);font-weight:700;margin-top:4px}@media(max-width:760px){.dt-utility-tool{grid-template-columns:1fr}.dt-utility-card{padding:14px}.dt-countdown{grid-template-columns:repeat(2,1fr)}}