:root{--bg: #0f172a;--panel: #1e293b;--panel-2: #273449;--border: #334155;--text: #e2e8f0;--muted: #94a3b8;--accent: #7c3aed;--accent-2: #a78bfa;--ok: #22c55e;--warn: #f59e0b;--err: #ef4444}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}.app{max-width:98%;width:1440px;margin:0 auto;padding:16px}header.top{display:flex;align-items:baseline;justify-content:space-between;margin-bottom:8px}header.top h1{font-size:20px;margin:0}.mode-badge{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--panel-2);color:var(--accent-2);border:1px solid var(--border)}.stepper{display:flex;gap:8px;margin:16px 0 24px}.step{flex:1;padding:10px 12px;border-radius:8px;background:var(--panel);border:1px solid var(--border);color:var(--muted);font-size:14px;display:flex;align-items:center;gap:8px}.step .num{width:22px;height:22px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--panel-2);font-size:12px}.step.active{border-color:var(--accent);color:var(--text)}.step.active .num{background:var(--accent);color:#fff}.step.done .num{background:var(--ok);color:#fff}.panel{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px}h2{margin-top:0}.muted{color:var(--muted)}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center}.login-box{width:100%;max-width:380px}.login-box h2{margin-bottom:4px}.login-form{display:flex;flex-direction:column;gap:10px;margin-top:20px}.field-label{font-size:13px;color:var(--muted);margin-bottom:2px}.input{background:var(--panel-2);border:1px solid var(--border);border-radius:8px;padding:10px 12px;color:var(--text);font-size:14px;width:100%}.input:focus{outline:none;border-color:var(--accent)}.btn-primary{background:var(--accent);color:#fff;border:none;padding:11px 18px;border-radius:8px;font-size:14px;cursor:pointer;margin-top:6px}.btn-primary:hover{background:#6d28d9}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--accent);border:1px solid var(--accent);padding:10px 18px;border-radius:8px;font-size:14px;cursor:pointer;margin-top:6px}.btn-secondary:hover{background:#7c3aed1a}.btn-secondary:disabled{opacity:.5;cursor:not-allowed}.login-error{color:var(--err);font-size:13px;margin:0;padding:8px 12px;background:#ef44441a;border-radius:6px;border:1px solid rgba(239,68,68,.2)}button{background:var(--accent);color:#fff;border:none;padding:10px 18px;border-radius:8px;font-size:14px;cursor:pointer}button:hover{background:#6d28d9}button:disabled{opacity:.5;cursor:not-allowed}button.secondary{background:var(--panel-2);border:1px solid var(--border)}button.secondary:hover{background:#2f3e57}.actions{display:flex;justify-content:space-between;margin-top:20px}.dropzone{border:2px dashed var(--border);border-radius:12px;padding:48px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s}.dropzone.drag{border-color:var(--accent);background:#7c3aed14}.dropzone h3{margin:8px 0}.table-container{overflow-x:auto;margin:16px 0;border-radius:8px}table{width:100%;border-collapse:collapse;font-size:13px}th,td{text-align:left;padding:8px;border-bottom:1px solid var(--border)}th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}select,input{background:var(--panel-2);border:1px solid var(--border);color:var(--text);padding:6px 8px;border-radius:6px;font-size:13px;width:100%}.tag{font-size:11px;padding:2px 8px;border-radius:999px;border:1px solid var(--border);white-space:nowrap;display:inline-block}.tag.ok{color:var(--ok);border-color:var(--ok)}.tag.warn{color:var(--warn);border-color:var(--warn)}.tag.err{color:var(--err);border-color:var(--err)}.error-banner{background:#ef44441f;border:1px solid var(--err);color:#fca5a5;padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:14px}.error-banner strong{display:block;color:#fecaca;margin-bottom:5px}.error-help{margin-top:8px;font-size:12px}.po-card{background:var(--panel-2);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:14px}.po-card h3{margin:0 0 4px}.po-head{display:flex;justify-content:space-between;align-items:center}.po-total{font-size:18px;color:var(--accent-2);font-variant-numeric:tabular-nums}.spinner{color:var(--muted)}.loader-ring{width:40px;height:40px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--panel-2);border-radius:4px}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--accent-2)}*{scrollbar-width:thin;scrollbar-color:var(--border) var(--panel-2)}