.tool-hero{text-align:center;max-width:680px;margin:0 auto;padding:3.5rem 1.5rem 2rem}.tool-hero h1{letter-spacing:-.03em;color:var(--text);margin-bottom:.6rem;font-family:Nunito,sans-serif;font-size:clamp(1.7rem,4vw,2.5rem);font-weight:900}.tool-hero p{color:var(--text-muted);font-size:.95rem;line-height:1.7}.workspace{max-width:960px;margin:0 auto;padding:0 1.5rem 4rem}.editor{gap:1.25rem;display:none}.editor.visible{grid-template-columns:1fr 320px;display:grid}.preview-pane{background:var(--card);border-radius:16px 18px 15px 17px/17px 15px 18px 16px;flex-direction:column;gap:.75rem;padding:1.25rem;display:flex;box-shadow:0 2px 18px #1e293b12}.preview-pane canvas{border-radius:10px;width:100%;height:auto;max-height:460px;display:block}.preview-meta{color:var(--slate);letter-spacing:.03em;font-family:JetBrains Mono,monospace;font-size:.7rem}.controls-pane{flex-direction:column;gap:1rem;display:flex}.ctrl-card{background:var(--card);border-radius:15px 17px 13px 16px/16px 14px 17px 15px;padding:1.4rem 1.35rem;box-shadow:0 2px 14px #1e293b0f}.ctrl-card h3{color:var(--text);margin-bottom:1rem;font-family:Nunito,sans-serif;font-size:.92rem;font-weight:800}.fmt-grid{grid-template-columns:1fr 1fr;gap:.6rem;display:grid}.fmt-option{border:1.5px solid var(--border);cursor:pointer;background:#f8fafc;border-radius:10px;flex-direction:column;gap:2px;padding:.85rem 1rem;transition:border-color .18s,background .18s,box-shadow .18s;display:flex}.fmt-option:hover{border-color:var(--blue);background:#3b82f60a}.fmt-option.active{border-color:var(--blue);background:#3b82f612;box-shadow:0 2px 8px #3b82f624}.fmt-option input[type=radio]{display:none}.fmt-name{color:var(--text);font-family:JetBrains Mono,monospace;font-size:.82rem;font-weight:500}.fmt-option.active .fmt-name{color:var(--blue)}.fmt-desc{color:var(--slate);font-size:.72rem;line-height:1.4}.convert-arrow{color:var(--slate);justify-content:center;align-items:center;gap:.75rem;padding:.5rem 0;font-family:JetBrains Mono,monospace;font-size:.78rem;display:flex}.convert-arrow strong{color:var(--text);font-weight:600}.btn-download{background:var(--blue);color:#fff;cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px 22px;font-family:DM Sans,sans-serif;font-size:.9rem;font-weight:700;transition:background .18s,transform .18s,box-shadow .18s;display:flex;box-shadow:0 3px 12px #3b82f652}.btn-download:hover{background:var(--blue-dk);transform:translateY(-1px);box-shadow:0 5px 18px #3b82f661}.btn-reset{border:1.5px solid var(--border);width:100%;color:var(--slate);cursor:pointer;background:0 0;border-radius:9px;padding:9px;font-family:DM Sans,sans-serif;font-size:.82rem;font-weight:500;transition:color .18s,border-color .18s}.btn-reset:hover{color:var(--text);border-color:var(--text)}@media (width<=720px){.editor.visible{grid-template-columns:1fr}.controls-pane{order:-1}}