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var(--line);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:#ffffffdb;border-radius:24px;justify-content:space-between;align-items:center;gap:20px;margin-bottom:22px;padding:18px 22px;display:flex}.app-title{margin:4px 0 0;font-size:clamp(1.4rem,3vw,2.2rem)}.topbar-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.nav-link,.locale-switch{background:#f7fafff0;border:1px solid #788db324;border-radius:14px;padding:10px 14px}.nav-link{color:var(--muted);text-decoration:none}.nav-link.active{color:#0f224a;background:linear-gradient(135deg,#dff4ff,#bbd6ff);border-color:#0000;font-weight:700}.locale-switch{color:var(--muted);align-items:center;gap:10px;display:flex}.locale-switch select{color:var(--text);background:0 0;border:0;outline:none}.page-shell{width:100%}.hero-panel,.control-panel,.preview-card,.stats-panel{border:1px solid 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p{color:var(--muted)}.upload-file{color:var(--text);word-break:break-all;background:#f0f5fff0;border-radius:14px;padding:10px 12px;font-size:.92rem}.hero-note{gap:6px;padding:18px 20px;display:grid}.workspace{grid-template-columns:320px minmax(0,1fr);gap:20px;margin-top:24px;display:grid}.control-panel{border-radius:28px;height:fit-content;padding:22px;position:sticky;top:20px}.panel-head{gap:6px;display:grid}.control-item,.select-item{border-top:1px solid var(--line);gap:10px;margin-top:18px;padding-top:18px;display:grid}.control-item{grid-template-columns:1fr auto;gap:12px}.control-item span,.select-item span{color:var(--text)}.control-item strong{color:var(--accent)}.select-item select{width:100%;color:var(--text);background:#f9fbff;border:1px solid #788db32e;border-radius:14px;padding:12px 14px}.control-item 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