:root{--bg:#0e1113;--surface:#181c1f;--surface-2:#22282c;--border:#2e363b;--text:#e7edf0;--text-dim:#97a3aa;--brand:#00aeb3;--brand-hover:#12c7cc;--danger:#ff6b6b;--radius:10px;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}*{box-sizing:border-box}body,html{background:var(--bg);color:var(--text);font-family:var(--font);line-height:1.5;margin:0;padding:0}.app{margin:0 auto;max-width:720px;padding:48px 20px 64px}.app__header h1{font-size:28px;font-weight:700;margin:0 0 8px}.app__subtitle{color:var(--text-dim);font-size:15px;margin:0 0 32px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;padding:24px}.card--hidden{display:none}.field{display:flex;flex-direction:column;gap:6px;margin-bottom:18px}.field:last-child{margin-bottom:0}.field__label{color:var(--text-dim);font-size:13px;font-weight:600}.field__input{background:var(--surface-2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-family:var(--font);font-size:14px;padding:11px 13px}.field__input:focus{border-color:var(--brand);outline:none}.field-row{align-items:flex-start;display:flex;flex-wrap:wrap;gap:18px 28px}.field-row .field{flex:1 1 240px;margin-bottom:18px}.field--checkbox{align-items:center;color:var(--text-dim);flex-direction:row;font-size:13px;gap:10px;padding-top:24px}.field--checkbox input{accent-color:var(--brand);height:16px;width:16px}.btn{background:var(--brand);border:none;border-radius:8px;color:#041416;cursor:pointer;display:inline-block;font-size:15px;font-weight:700;padding:13px 20px;text-align:center;text-decoration:none;transition:background .15s ease;width:100%}.btn:hover:not(:disabled){background:var(--brand-hover)}.btn:disabled{cursor:default;opacity:.5}.btn--download{background:transparent;border:1px solid var(--brand);color:var(--brand);margin-top:18px}.btn--download:hover{background:#00aeb31f}.progress{background:var(--surface-2);border-radius:999px;height:8px;overflow:hidden}.progress__bar{background:var(--brand);border-radius:999px;height:100%;transition:width .2s ease;width:0}.status{color:var(--text-dim);font-size:14px;margin:14px 0 0;min-height:20px}.status--error{color:var(--danger)}.log{background:var(--bg);border:1px solid var(--border);border-radius:8px;font-family:ui-monospace,SF Mono,Cascadia Code,Consolas,monospace;font-size:12px;line-height:1.6;margin:12px 0 0;max-height:320px;overflow-y:auto;padding:14px;white-space:pre-wrap;word-break:break-all}.log,summary{color:var(--text-dim)}summary{cursor:pointer;font-size:14px;font-weight:600}.app__footer{color:var(--text-dim);font-size:12px;margin-top:32px;text-align:center}