:root{--bg: #0f1115;--surface: #171a21;--surface-2: #1f232c;--border: #2a2f3a;--text: #e6e8ef;--text-dim: #9ba3b4;--accent: #7c9cff;--accent-hover: #96b0ff;--danger: #ff6b6b;--ok: #5ad19a;--warn: #ffb86b;--radius: 10px;color-scheme:dark}*{box-sizing:border-box}html,body,#root{margin:0;padding:0;min-height:100vh;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.5}.app{max-width:720px;margin:0 auto;padding:20px 16px 80px}.test-banner{max-width:720px;margin:0 auto 12px;padding:8px 16px;background:var(--surface-2);border:1px solid var(--warn);border-radius:var(--radius);color:var(--warn);font-size:14px;font-weight:600;text-align:center}h1{font-size:22px;margin:8px 0 16px;font-weight:600}.app-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}.app-header h1{margin:8px 0}.app-header-actions{display:flex;align-items:center;gap:8px;position:relative}.past-bills{position:relative}.app-header-actions>button,.past-bills>button{padding:8px 12px;font-size:13px}.past-bills-panel{position:absolute;top:calc(100% + 6px);right:0;z-index:20;min-width:260px;max-width:340px;max-height:320px;overflow-y:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:8px;box-shadow:0 8px 24px #0006}.past-bills-list{list-style:none;margin:0;padding:0}.past-bills-list li+li{margin-top:2px}.past-bills-list a{display:block;padding:8px 10px;border-radius:6px;color:var(--text);text-decoration:none;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.past-bills-list a:hover{background:var(--surface-2)}h2{font-size:18px;margin:0 0 12px;font-weight:600}label{display:block;font-size:13px;color:var(--text-dim);margin-bottom:4px}input,textarea,select,button{font:inherit;color:inherit}input[type=text],input[type=number],input[type=url],textarea,select{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);outline:none}input:focus,textarea:focus,select:focus{border-color:var(--accent)}button{background:var(--accent);color:#0b0d12;border:none;border-radius:8px;padding:12px 18px;font-weight:600;cursor:pointer;transition:background .15s}button:hover:not(:disabled){background:var(--accent-hover)}button:disabled{opacity:.5;cursor:not-allowed}button.ghost{background:transparent;color:var(--text);border:1px solid var(--border)}button.ghost:hover:not(:disabled){background:var(--surface-2)}button.danger{background:transparent;color:var(--danger);border:1px solid var(--border);padding:6px 10px}.button-row{display:flex;gap:10px;flex-wrap:wrap}a.button{display:inline-block;background:var(--accent);color:#0b0d12;border:none;border-radius:8px;padding:12px 18px;font-weight:600;text-decoration:none;transition:background .15s}a.button:hover{background:var(--accent-hover)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px}.row{display:flex;gap:8px;align-items:center}.row+.row{margin-top:8px}.nav{display:flex;gap:8px;justify-content:space-between;margin-top:20px}.stepper{display:flex;gap:6px;margin-bottom:18px;overflow-x:auto;padding-bottom:4px}.step{flex:1 0 auto;padding:8px 10px;border-radius:6px;font-size:12px;font-weight:500;text-align:center;background:var(--surface);border:1px solid var(--border);color:var(--text-dim);white-space:nowrap;cursor:pointer;transition:background .15s,border-color .15s,color .15s}.step:hover:not(:disabled){background:var(--surface-2);color:var(--text)}.step:disabled{cursor:not-allowed;opacity:.45}.step.active{color:var(--text);border-color:var(--accent);background:var(--surface-2)}.step.done{color:var(--ok)}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:32px 16px;text-align:center;color:var(--text-dim);cursor:pointer;transition:border-color .15s,background .15s}.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:var(--surface)}.thumbs{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.thumb{position:relative;width:80px;height:80px;border-radius:8px;overflow:hidden;border:1px solid var(--border)}.thumb img{width:100%;height:100%;object-fit:cover}.thumb button{position:absolute;top:2px;right:2px;padding:2px 6px;font-size:11px;background:#000000b3;color:#fff;border-radius:4px}.items-table{width:100%;border-collapse:collapse}.items-table th,.items-table td{padding:8px 4px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.items-table th{color:var(--text-dim);font-weight:500;font-size:12px;text-transform:uppercase}.items-table input{padding:6px 8px;font-size:14px}.items-table .num{text-align:right;width:80px}.items-table .num input{text-align:right}.items-table .name-col input{min-width:120px}.totals-breakdown{padding:12px 14px;border-radius:8px;background:var(--surface-2);margin-top:14px;font-size:14px;border-left:3px solid var(--border)}.totals-breakdown.ok{border-left-color:var(--ok)}.totals-breakdown.bad{border-left-color:var(--warn)}.totals-row{display:flex;justify-content:space-between;padding:3px 0}.totals-row.sub{color:var(--text-dim);font-size:13px}.totals-row.total{font-weight:600;padding-top:8px;margin-top:6px;border-top:1px solid var(--border)}.totals-breakdown.bad .totals-row.total{color:var(--warn)}.totals-breakdown.ok .totals-row.total{color:var(--ok)}.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}.chip{background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:6px 12px;font-size:13px;display:flex;align-items:center;gap:6px}.chip button{background:transparent;padding:0;font-size:16px;line-height:1;color:var(--text-dim)}.error{color:var(--danger);font-size:13px;margin-top:8px}.hint{color:var(--text-dim);font-size:13px}.spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--text-dim);border-top-color:var(--text);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle;margin-right:6px}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 480px){h1{font-size:20px}.card{padding:14px}.step{font-size:11px;padding:6px 8px}}