*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{background:#0F172A;color:#F1F5F9;font-family:system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5;min-height:100vh}
#app{max-width:1400px;margin:0 auto;padding:1.5rem}

/* Header */
header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1.5rem;flex-wrap:wrap;gap:1rem;padding-bottom:1rem;border-bottom:1px solid #1E293B}
header h1{font-size:1.125rem;font-weight:700;letter-spacing:-0.01em}
header h1 span{color:#3B82F6}
.header-actions{display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
#period-filter{display:flex;gap:0.4rem}
.pill{background:#1E293B;color:#94A3B8;border:1px solid #334155;border-radius:999px;padding:0.3rem 0.9rem;cursor:pointer;font-size:0.8rem;font-weight:500;transition:all .15s;font-family:inherit}
.pill.active{background:#3B82F6;color:#fff;border-color:#3B82F6}
.pill:hover:not(.active){background:#334155;color:#F1F5F9}

/* Action buttons */
.refresh-form,.logout-form{display:inline}
.btn-refresh,.btn-logout{font-family:inherit;cursor:pointer;border-radius:.5rem;padding:.4rem .9rem;font-size:.8rem;font-weight:600;transition:all .15s;border:1px solid}
.btn-refresh{background:#10B981;color:#fff;border-color:#10B981}
.btn-refresh:hover{background:#059669;border-color:#059669}
.btn-refresh:disabled{background:#475569;border-color:#475569;cursor:wait;opacity:.85}
.btn-logout{background:transparent;color:#94A3B8;border-color:#334155}
.btn-logout:hover{background:#1E293B;color:#F1F5F9;border-color:#475569}

/* Flash banner */
#flash-stack{position:sticky;top:0;z-index:50;display:flex;flex-direction:column;gap:.5rem;padding:.75rem 1.5rem 0;max-width:1400px;margin:0 auto}
.flash{position:relative;border-radius:.5rem;padding:.85rem 2.5rem .85rem 1rem;border:1px solid;font-size:.8rem}
.flash-success{background:rgba(16,185,129,.08);border-color:rgba(16,185,129,.4);color:#A7F3D0}
.flash-error{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.4);color:#FECACA}
.flash-title{font-weight:700;font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;margin-bottom:.4rem}
.flash-body{white-space:pre-wrap;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.72rem;line-height:1.45;max-height:260px;overflow:auto;color:inherit}
.flash-close{position:absolute;top:.5rem;right:.6rem;background:transparent;border:0;color:inherit;font-size:1.1rem;cursor:pointer;opacity:.6;line-height:1;padding:.15rem .4rem;font-family:inherit}
.flash-close:hover{opacity:1}

/* Login */
.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:1.5rem}
.login-card{background:#1E293B;border:1px solid #334155;border-radius:.9rem;padding:2.25rem 2rem;width:100%;max-width:380px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.login-brand{font-size:1.5rem;font-weight:700;letter-spacing:-0.01em;text-align:center;margin-bottom:.25rem}
.login-brand span{color:#3B82F6}
.login-sub{color:#64748B;font-size:.8rem;text-align:center;margin-bottom:1.5rem}
.login-form{display:flex;flex-direction:column;gap:.9rem}
.login-form label{display:flex;flex-direction:column;gap:.35rem}
.login-form label span{font-size:.68rem;color:#64748B;text-transform:uppercase;letter-spacing:.07em;font-weight:600}
.login-form input{background:#0F172A;color:#F1F5F9;border:1px solid #334155;border-radius:.5rem;padding:.6rem .85rem;font-size:.9rem;font-family:inherit;outline:none;transition:border-color .15s}
.login-form input:focus{border-color:#3B82F6}
.btn-primary{background:#3B82F6;color:#fff;border:0;border-radius:.5rem;padding:.7rem 1rem;font-size:.9rem;font-weight:600;cursor:pointer;font-family:inherit;margin-top:.4rem;transition:background .15s}
.btn-primary:hover{background:#2563EB}

/* Empty state */
.empty-state{background:#1E293B;border:1px dashed #334155;border-radius:.9rem;padding:4rem 2rem;text-align:center;margin-top:2rem}
.empty-icon{font-size:3rem;margin-bottom:1rem}
.empty-state h2{font-size:1.25rem;font-weight:700;margin-bottom:.75rem}
.empty-state p{color:#94A3B8;font-size:.9rem;margin-bottom:.4rem}
.empty-state p strong{color:#10B981}
.empty-sub{color:#475569 !important;font-size:.78rem !important}

/* KPI strip */
#kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}
.kpi-card{background:#1E293B;border:1px solid #334155;border-radius:.75rem;padding:1.25rem}
.kpi-lbl{font-size:.7rem;color:#64748B;text-transform:uppercase;letter-spacing:.06em;margin-bottom:.4rem}
.kpi-val{font-size:1.4rem;font-weight:700;line-height:1.2}
.kpi-val.good{color:#10B981}
.kpi-val.bad{color:#EF4444}
.kpi-sub{font-size:.7rem;color:#475569;margin-top:.3rem}

/* Chart sections */
.chart-section{background:#1E293B;border:1px solid #334155;border-radius:.75rem;padding:1.5rem;margin-bottom:1.5rem}
.chart-section h2{font-size:.72rem;font-weight:600;color:#64748B;text-transform:uppercase;letter-spacing:.07em;margin-bottom:1.25rem;display:flex;align-items:center;gap:.75rem;flex-wrap:wrap}
.chart-wrap{position:relative}

/* Two-column layout */
.two-up{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:start}

/* Vendor toggles */
.toggle-row{display:flex;gap:.25rem;margin-left:auto}
.v-tog{background:#0F172A;color:#64748B;border:1px solid #334155;border-radius:.35rem;padding:.18rem .6rem;cursor:pointer;font-size:.7rem;font-weight:600;transition:all .15s;font-family:inherit}
.v-tog.active,.v-tog:hover{background:#3B82F6;color:#fff;border-color:#3B82F6}

/* Table */
#table-controls{display:flex;gap:.6rem;margin-bottom:1rem;flex-wrap:wrap}
#table-search{flex:1;min-width:180px;background:#0F172A;color:#F1F5F9;border:1px solid #334155;border-radius:.5rem;padding:.45rem .75rem;font-size:.85rem;outline:none;font-family:inherit}
#table-search:focus{border-color:#3B82F6}
#table-controls select{background:#0F172A;color:#94A3B8;border:1px solid #334155;border-radius:.5rem;padding:.45rem .75rem;font-size:.8rem;cursor:pointer;outline:none;font-family:inherit}
#table-controls select:focus{border-color:#3B82F6}
#table-wrapper{overflow-x:auto}
#tx-table{width:100%;border-collapse:collapse}
#tx-table th,#tx-table td{padding:.55rem .75rem;text-align:left;border-bottom:1px solid rgba(51,65,85,.6)}
#tx-table th{background:#0F172A;color:#64748B;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;cursor:pointer;user-select:none;white-space:nowrap}
#tx-table th:hover{color:#F1F5F9}
#tx-table th.sort-asc::after{content:" \2191"}
#tx-table th.sort-desc::after{content:" \2193"}
#tx-table tbody tr:hover{background:rgba(59,130,246,.06)}
td.amount{text-align:right;font-variant-numeric:tabular-nums;font-size:.85rem;white-space:nowrap;color:#F1F5F9}
td.desc-cell{max-width:280px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.85rem;color:#CBD5E1}
#table-count{color:#475569;font-size:.72rem;margin-top:.6rem;text-align:right}

/* Badges */
.badge{display:inline-flex;align-items:center;padding:.15rem .5rem;border-radius:.35rem;font-size:.67rem;font-weight:700;white-space:nowrap;letter-spacing:.02em}
.src-card{background:rgba(99,102,241,.15);color:#818CF8}
.src-bank{background:rgba(16,185,129,.15);color:#34D399}
.cat-ai-tools{background:rgba(99,102,241,.15);color:#818CF8}
.cat-infra{background:rgba(14,165,233,.15);color:#38BDF8}
.cat-other-tech{background:rgba(139,92,246,.15);color:#A78BFA}
.cat-non-tech{background:rgba(148,163,184,.1);color:#94A3B8}
.cat-personnel{background:rgba(16,185,129,.15);color:#34D399}
.cat-net-income-distribution{background:rgba(245,158,11,.15);color:#FCD34D}
.cat-other{background:rgba(249,115,22,.15);color:#FB923C}
.cat-net-income-dist{background:rgba(245,158,11,.15);color:#FCD34D}
.cat-imposto{background:rgba(239,68,68,.15);color:#EF4444}
.cat-cac{background:rgba(236,72,153,.15);color:#EC4899}
.cat-banking-fees{background:rgba(168,85,247,.15);color:#A855F7}

/* Chart hint */
.hint{font-size:.7rem;color:#475569;margin-top:.5rem;text-align:right;font-style:italic}

/* Footer */
footer{text-align:center;color:#334155;font-size:.7rem;padding:2rem 0 1rem}

/* Responsive */
@media(max-width:900px){
  #kpis{grid-template-columns:repeat(2,1fr)}
  .two-up{grid-template-columns:1fr}
}
@media(max-width:560px){
  #kpis{grid-template-columns:1fr}
  .kpi-val{font-size:1.2rem}
  #app{padding:1rem}
}