:root{--navy: #1f3864;--navy-light: #2f4f8f;--gold: #ffe699;--pink: #ffc7ce;--red: #9c0006;--bg: #f6f7fb;--card: #ffffff;--border: #e3e6ef;--text: #1a1d2b;--muted: #6b7185}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Inter,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}.app{max-width:760px;margin:0 auto;padding:48px 24px 80px}.header h1{margin:0 0 8px;font-size:28px;color:var(--navy);letter-spacing:-.01em}.subtitle{margin:0 0 32px;color:var(--muted);line-height:1.5}.subtitle code{background:var(--card);border:1px solid var(--border);border-radius:4px;padding:1px 6px;font-size:.85em}.dropzone{background:var(--card);border:2px dashed var(--border);border-radius:12px;padding:48px 24px;text-align:center;cursor:pointer;transition:all .12s ease}.dropzone:hover,.dropzone--active{border-color:var(--navy);background:#fbfcff}.dropzone-icon{font-size:36px;color:var(--navy);margin-bottom:12px}.dropzone p{margin:6px 0}.hint{color:var(--muted);font-size:13px}.file-pill{display:inline-flex;flex-direction:column;gap:4px;padding:16px 24px;background:#f0f3fb;border-radius:8px;border:1px solid var(--border)}.file-pill strong{color:var(--navy)}.file-pill span{color:var(--muted);font-size:13px}.actions{display:flex;gap:12px;margin-top:20px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 18px;font-size:14px;font-weight:600;border-radius:8px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:all .12s ease}.btn--primary{background:var(--navy);color:#fff}.btn--primary:hover:not(:disabled){background:var(--navy-light)}.btn--primary:disabled{opacity:.5;cursor:not-allowed}.btn--ghost{background:transparent;color:var(--navy);border-color:var(--border)}.btn--ghost:hover{background:#f0f3fb}.alert{margin-top:20px;padding:12px 16px;border-radius:8px}.alert--error{background:#fdecec;color:var(--red);border:1px solid #f5b8b8}.results{margin-top:32px}.results-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.results-header h2{margin:0;font-size:20px;color:var(--navy)}.file-list{list-style:none;margin:16px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.file-row{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--card);border:1px solid var(--border);border-radius:10px}.file-row--filing{background:#fffbe6;border-color:#f0d878}.file-state{display:flex;align-items:center;gap:10px;font-weight:600;color:var(--navy)}.abbrev{font-size:11px;color:var(--muted);font-weight:500;background:#eef1f8;padding:2px 6px;border-radius:4px}.badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;background:var(--gold);color:var(--navy);padding:3px 8px;border-radius:4px}.file-sub{color:var(--muted);font-size:13px;margin-top:2px}.footer{margin-top:48px;font-size:12px;color:var(--muted);text-align:center}