:root{--bg:#070d1a;--panel:#111d2e;--panel-alt:#0d1626;--border:#1e293b;--border-strong:#334155;--text:#e2e8f0;--text-dim:#94a3b8;--text-faint:#475569;--accent:#f59e0b;--accent-soft:#f59e0b1f;--blue:#1a56a0;--blue-bright:#3b82f6;--green:#10b981;--red:#ef4444;--purple:#8b5cf6;--pink:#ec4899}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:#fff;font-family:Segoe UI,system-ui,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer;border:none;font-family:inherit}input,select,textarea{font-family:inherit}.app-shell{align-items:stretch;min-height:100vh;display:flex}.sidebar{z-index:100;background:#171f33;border-right:1px solid #4d4635;flex-direction:column;flex-shrink:0;width:256px;height:100vh;padding:16px;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar-brand{align-items:center;gap:12px;margin-bottom:32px;padding:0 8px;display:flex}.sidebar-collapse-btn{color:#d0c5af;cursor:pointer;background:0 0;border:1px solid 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16px;font-size:12px;font-weight:700;display:inline-flex}.btn-primary{background:var(--blue);color:#fff}.btn-primary:hover{background:#1e63b4}.btn-accent{background:var(--accent);color:#000}.btn-ghost{background:var(--border);color:var(--text-dim)}.btn-danger{color:#fca5a5;background:#ef444426}.btn:disabled{opacity:.5;cursor:not-allowed}.field{flex-direction:column;gap:6px;margin-bottom:14px;display:flex}.field label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;font-size:10.5px;font-weight:700}.field input,.field select,.field textarea{background:var(--panel-alt);border:1px solid var(--border);color:#fff;border-radius:8px;padding:10px 12px;font-size:13px}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);outline:none}.form-row{flex-wrap:wrap;gap:14px;display:flex}.form-row .field{flex:1;min-width:160px}.form-error{color:#fca5a5;margin-top:-8px;margin-bottom:12px;font-size:11px}.field.invalid input,.field.invalid 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.s1{color:var(--blue);font-size:10px;font-weight:700}.slip-info .s2{color:#9ca3af;margin-top:2px;font-size:9px}.inv-foot{background:#f9fafb;border-top:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:12px 22px;display:flex}.inv-foot .ft{color:#9ca3af;font-size:9px;line-height:1.7}.qr-box{border-radius:8px;width:60px;height:60px;overflow:hidden}.qr-box img{object-fit:contain;width:100%;height:100%}.login-wrap{justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;width:360px;padding:36px}.login-card h1{text-align:center;margin-bottom:4px;font-size:1.4rem;font-weight:900}.login-card h1 span{color:var(--accent)}.login-card 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