:root{--background:#f5f3ec;--foreground:#24211d;--muted:#69635c;--surface:#fff;--surface-soft:#fbfaf6;--border:#ded7ca;--accent:#21826f;--accent-strong:#176653;--accent-soft:#d8eee7;--danger:#b43b3b}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:var(--background);color:var(--foreground);font-family:Arial,Helvetica,sans-serif}button,input{font:inherit}button{cursor:pointer}a{color:inherit}.app-shell{gap:24px;max-width:1320px;margin:0 auto;padding:28px;display:grid}.topbar{justify-content:space-between;align-items:end;gap:20px;display:flex}.topbar h1{margin:0 0 8px;font-size:clamp(28px,4vw,48px);line-height:1}.topbar p{color:var(--muted);max-width:720px;margin:0}.workspace{grid-template-columns:minmax(300px,390px) 1fr;gap:24px;display:grid}.panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 18px 40px #2f271c14}.control-panel{align-self:start;gap:20px;padding:18px;display:grid}.url-form{gap:12px;display:grid}.field-label{color:var(--muted);gap:8px;font-size:13px;display:grid}.url-input{border:1px solid var(--border);color:var(--foreground);border-radius:8px;min-width:0;padding:12px 14px}.url-input:focus{border-color:var(--accent);outline:3px solid var(--accent-soft)}.button-row{flex-wrap:wrap;gap:10px;display:flex}.button{border:1px solid #0000;border-radius:8px;justify-content:center;align-items:center;gap:8px;min-height:42px;padding:10px 14px;text-decoration:none;transition:background .16s,border-color .16s,color .16s;display:inline-flex}.button.primary{background:var(--accent);color:#fff}.button.primary:hover{background:var(--accent-strong)}.button.secondary{background:var(--surface-soft);border-color:var(--border)}.button.secondary:hover{border-color:var(--accent);color:var(--accent-strong)}.button:disabled{cursor:not-allowed;opacity:.55}.captcha-field{min-height:78px;overflow:hidden}.error{color:var(--danger);margin:0;font-size:14px}.history{gap:10px;display:grid}.history h2,.section-title{letter-spacing:0;text-transform:uppercase;margin:0;font-size:14px}.history-list{gap:8px;margin:0;padding:0;list-style:none;display:grid}.history-list-item{list-style:none}.history-item{background:var(--surface-soft);border:1px solid var(--border);text-align:left;border-radius:8px;grid-template-columns:1fr 36px;align-items:center;gap:10px;width:100%;padding:8px;display:grid}.history-item.active{border-color:var(--accent);box-shadow:inset 3px 0 0 var(--accent)}.history-title{font-weight:700}.history-select{color:inherit;text-align:left;background:0 0;border:0;grid-template-columns:58px 1fr;align-items:center;gap:10px;min-width:0;padding:2px;display:grid}.history-copy{gap:3px;min-width:0;display:grid}.history-meta{color:var(--muted);font-size:12px}.history-url{color:var(--accent-strong);text-overflow:ellipsis;white-space:nowrap;font-size:12px;display:block;overflow:hidden}.history-thumb{aspect-ratio:1;background:var(--border);object-fit:cover;border-radius:6px;width:58px;height:58px;display:block}.history-thumb.placeholder{background:var(--accent-soft)}.history-delete{color:var(--muted);background:0 0;border:1px solid #0000;border-radius:6px;justify-content:center;align-self:stretch;align-items:center;min-height:36px;padding:0;display:inline-flex}.history-delete:hover,.history-delete:focus-visible{color:var(--danger);background:#fff5f2;border-color:#f0c4ba;outline:none}.preview-wrap{gap:14px;min-width:0;display:grid}.preview-toolbar{justify-content:space-between;align-items:center;display:flex}.empty-preview{color:var(--muted);text-align:center;justify-content:center;align-items:center;min-height:480px;padding:28px;display:flex}.empty-preview-copy{max-width:560px;margin:0;line-height:1.5}.empty-preview-copy a{color:var(--foreground);text-underline-offset:3px;font-weight:700}.pdf-preview-frame{aspect-ratio:210/297;background:#fff;border-radius:4px;width:100%;max-width:860px;margin:0 auto;overflow:hidden;box-shadow:0 18px 60px #2f271c2e}.pdf-preview{border:0;width:100%;height:100%;display:block}@media (max-width:980px){.workspace{grid-template-columns:1fr}}@media (max-width:620px){.app-shell{padding:18px}.topbar{flex-direction:column;align-items:start}.pdf-preview-frame{max-height:calc(100vh - 220px)}}@media print{body{background:#fff}.topbar,.control-panel,.preview-toolbar{display:none}.app-shell,.workspace,.preview-wrap{margin:0;padding:0;display:block}.pdf-preview-frame{box-shadow:none;width:100vw;max-width:none;height:100vh}.pdf-preview{width:100%;height:100%}}