:root {
    --navy:       #0b1120;
    --navy-2:     #111827;
    --navy-3:     #1a2540;
    --navy-4:     #1e2d4a;
    --blue:       #2563eb;
    --blue-light: #3b82f6;
    --blue-glow:  rgba(37,99,235,0.18);
    --cyan:       #06b6d4;
    --green:      #10b981;
    --green-bg:   rgba(16,185,129,0.12);
    --amber:      #f59e0b;
    --amber-bg:   rgba(245,158,11,0.12);
    --red:        #ef4444;
    --red-bg:     rgba(239,68,68,0.12);
    --purple:     #8b5cf6;
    --text:       #f1f5f9;
    --text-2:     #94a3b8;
    --text-3:     #64748b;
    --border:     rgba(255,255,255,0.07);
    --border-2:   rgba(255,255,255,0.12);
    --radius:     10px;
    --font:       'DM Sans', sans-serif;
    --mono:       'DM Mono', monospace;
  }

  * { margin:0; padding:0; box-sizing:border-box; }

  body {
    font-family: var(--font);
    background: var(--navy);
    color: var(--text);
    min-height: 100vh;
    font-size: 14px;
  }

  /* ── TOP BAR ─────────────────────────────── */
  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 32px;
    height: 60px;
    background: var(--navy-2);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
  }
  .logo { display:flex; align-items:center; gap:10px; }
  .logo-badge {
    width:34px; height:34px;
    background: var(--blue);
    border-radius:8px;
    display:flex; align-items:center; justify-content:center;
    font-weight:700; font-size:13px; letter-spacing:-.5px;
  }
  .logo-name { font-weight:600; font-size:15px; }
  .logo-sub  { font-size:11px; color:var(--text-2); font-weight:400; }

  .topbar-right { display:flex; align-items:center; gap:20px; }
  .topbar-date  { font-size:12px; color:var(--text-2); font-family:var(--mono); }
  .avatar {
    width:32px; height:32px; border-radius:50%;
    background: linear-gradient(135deg,var(--blue),var(--cyan));
    display:flex; align-items:center; justify-content:center;
    font-size:12px; font-weight:600; cursor:pointer;
  }

  /* ── LAYOUT ──────────────────────────────── */
  .shell { display:flex; height:calc(100vh - 60px); }

  /* ── SIDEBAR ─────────────────────────────── */
  .sidebar {
    width:220px; min-width:220px;
    background: var(--navy-2);
    border-right:1px solid var(--border);
    padding:20px 0;
    display:flex; flex-direction:column; gap:4px;
    overflow-y:auto;
  }
  .nav-label {
    font-size:10px; font-weight:600; letter-spacing:1.2px;
    color:var(--text-3); padding:12px 20px 6px; text-transform:uppercase;
  }
  .nav-item {
    display:flex; align-items:center; gap:10px;
    padding:9px 20px; cursor:pointer;
    color:var(--text-2); font-weight:500; font-size:13px;
    border-left:3px solid transparent;
    transition:all .15s;
  }
  .nav-item:hover { color:var(--text); background:var(--blue-glow); }
  .nav-item.active {
    color:var(--blue-light);
    background:var(--blue-glow);
    border-left-color:var(--blue-light);
  }
  .nav-icon { font-size:16px; width:20px; text-align:center; }
  .badge {
    margin-left:auto; background:var(--blue);
    border-radius:10px; padding:2px 7px;
    font-size:10px; font-weight:600; color:#fff;
  }

  /* ── MAIN ────────────────────────────────── */
  .main {
    flex:1; overflow-y:auto;
    padding:28px 32px;
    display:flex; flex-direction:column; gap:24px;
  }

  /* ── PAGE HEADER ─────────────────────────── */
  .page-header { display:flex; align-items:flex-start; justify-content:space-between; }
  .page-title  { font-size:22px; font-weight:700; letter-spacing:-.3px; }
  .page-sub    { font-size:13px; color:var(--text-2); margin-top:3px; }
  .header-actions { display:flex; gap:10px; }
  .btn {
    display:flex; align-items:center; gap:6px;
    padding:8px 16px; border-radius:8px; font-size:13px;
    font-family:var(--font); font-weight:500; cursor:pointer;
    border:none; transition:all .15s;
  }
  .btn-primary { background:var(--blue); color:#fff; }
  .btn-primary:hover { background:var(--blue-light); }
  .btn-ghost   { background:transparent; color:var(--text-2); border:1px solid var(--border-2); }
  .btn-ghost:hover { color:var(--text); border-color:var(--border-2); background:var(--navy-3); }

  /* ── KPI CARDS ───────────────────────────── */
  .kpi-grid {
    display:grid;
    grid-template-columns: repeat(4,1fr);
    gap:14px;
  }
  .kpi-card {
    background:var(--navy-3);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:18px 20px;
    position:relative; overflow:hidden;
  }
  .kpi-card::before {
    content:''; position:absolute;
    top:0; left:0; right:0; height:3px;
    background:var(--accent-color, var(--blue));
  }
  .kpi-label { font-size:11px; color:var(--text-2); font-weight:500; letter-spacing:.5px; text-transform:uppercase; }
  .kpi-value { font-size:26px; font-weight:700; margin:8px 0 4px; letter-spacing:-.5px; font-family:var(--mono); }
  .kpi-sub   { font-size:12px; color:var(--text-3); display:flex; align-items:center; gap:4px; }
  .kpi-up    { color:var(--green); }
  .kpi-down  { color:var(--red); }

  /* ── SECTION GRID ────────────────────────── */
  .section-grid { display:grid; grid-template-columns:1fr 360px; gap:20px; }
  .section-full  { grid-column:1/-1; }

  /* ── CARD ────────────────────────────────── */
  .card {
    background:var(--navy-3);
    border:1px solid var(--border);
    border-radius:var(--radius);
    overflow:hidden;
  }
  .card-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:16px 20px; border-bottom:1px solid var(--border);
  }
  .card-title { font-weight:600; font-size:14px; }
  .card-sub   { font-size:12px; color:var(--text-2); margin-top:2px; }
  .card-body  { padding:20px; }
  .card-body.no-pad { padding:0; }

  /* ── WEEK TABS ───────────────────────────── */
  .week-tabs { display:flex; gap:6px; margin-bottom:18px; flex-wrap:wrap; }
  .week-tab {
    padding:6px 14px; border-radius:20px; font-size:12px;
    font-weight:500; cursor:pointer; border:1px solid var(--border-2);
    color:var(--text-2); background:transparent; transition:all .15s;
  }
  .week-tab:hover  { color:var(--text); background:var(--navy-4); }
  .week-tab.active { background:var(--blue); border-color:var(--blue); color:#fff; }
  .week-tab.past   { border-color:var(--border); color:var(--text-3); }

  /* ── TABLE ───────────────────────────────── */
  .tbl-wrap { overflow-x:auto; overflow-y:auto; }
  .tbl-wrap table { min-width:600px; }
  /* Thead sticky dentro del scroll de la tabla */
  .tbl-wrap thead tr th { position:sticky; top:0; background:var(--navy-3); z-index:2; }
  table { width:100%; border-collapse:collapse; font-size:13px; }
  thead tr { border-bottom:1px solid var(--border); }
  th {
    text-align:left; padding:10px 14px;
    font-size:11px; font-weight:600; color:var(--text-3);
    letter-spacing:.5px; text-transform:uppercase; white-space:nowrap;
  }
  th:first-child { padding-left:20px; }
  th:last-child  { padding-right:20px; }
  tbody tr {
    border-bottom:1px solid var(--border);
    transition:background .1s; cursor:pointer;
  }
  tbody tr:last-child { border-bottom:none; }
  tbody tr:hover { background:rgba(255,255,255,0.03); }
  td {
    padding:11px 14px; vertical-align:middle; white-space:nowrap;
  }
  td:first-child { padding-left:20px; }
  td:last-child  { padding-right:20px; }

  .chk { width:16px; height:16px; accent-color:var(--blue); cursor:pointer; }

  /* STATUS CHIPS */
  .chip {
    display:inline-flex; align-items:center; gap:5px;
    padding:3px 9px; border-radius:20px; font-size:11px; font-weight:500;
  }
  .chip-dot { width:6px; height:6px; border-radius:50%; }
  .chip-open    { background:var(--amber-bg);  color:var(--amber);  }
  .chip-open    .chip-dot { background:var(--amber); }
  .chip-process { background:var(--blue-glow); color:var(--blue-light); }
  .chip-process .chip-dot { background:var(--blue-light); }
  .chip-paid    { background:var(--green-bg);  color:var(--green);  }
  .chip-paid    .chip-dot { background:var(--green); }
  .chip-sent    { background:rgba(139,92,246,0.15); color:var(--purple); }
  .chip-sent    .chip-dot { background:var(--purple); }
  .chip-overdue { background:var(--red-bg);    color:var(--red);    }
  .chip-overdue .chip-dot { background:var(--red); }

  .supplier-link {
    color:var(--blue-light); text-decoration:none; font-weight:500;
    display:flex; align-items:center; gap:5px;
  }
  .supplier-link:hover { text-decoration:underline; }

  .amount { font-family:var(--mono); font-weight:500; }
  .amount-neg { color:var(--red); }
  .amount-pos { color:var(--green); }

  /* ── WEEK SUMMARY BAR ────────────────────── */
  .week-summary {
    display:flex; gap:16px; padding:14px 20px;
    background:var(--navy-4); border-bottom:1px solid var(--border);
    font-size:13px;
  }
  .ws-item { display:flex; flex-direction:column; gap:2px; }
  .ws-label { font-size:11px; color:var(--text-3); }
  .ws-val   { font-weight:600; font-family:var(--mono); }
  .ws-sep   { width:1px; background:var(--border); }

  /* ── PAYMENT ACTION BAR ──────────────────── */
  .action-bar {
    display:flex; align-items:center; justify-content:space-between;
    padding:12px 20px; background:var(--navy-4);
    border-top:1px solid var(--border);
  }
  .action-info { font-size:13px; color:var(--text-2); }
  .action-info strong { color:var(--text); }
  .selected-amount { font-family:var(--mono); font-size:15px; font-weight:600; color:var(--blue-light); }

  /* ── CHART ───────────────────────────────── */
  .chart-wrap { position:relative; height:220px; }

  /* ── MINI LIST ───────────────────────────── */
  .mini-list { display:flex; flex-direction:column; }
  .mini-row  {
    display:flex; align-items:center; justify-content:space-between;
    padding:11px 20px; border-bottom:1px solid var(--border);
    font-size:13px; cursor:pointer; transition:background .1s;
  }
  .mini-row:last-child { border-bottom:none; }
  .mini-row:hover { background:rgba(255,255,255,0.03); }
  .mini-name { font-weight:500; }
  .mini-sub  { font-size:11px; color:var(--text-3); margin-top:2px; }
  .mini-right { text-align:right; }

  /* ── PROGRESS BAR ────────────────────────── */
  .progress-wrap { margin-top:4px; }
  .progress-bg   { height:4px; background:var(--border); border-radius:2px; }
  .progress-fill { height:4px; border-radius:2px; background:var(--blue); }

  /* ── MODAL (Supplier Drill-down) ─────────── */
  .modal-overlay {
    display:none; position:fixed; inset:0;
    background:rgba(0,0,0,.65); z-index:200;
    align-items:center; justify-content:center;
    backdrop-filter:blur(4px);
  }
  .modal-overlay.open { display:flex; }
  .modal {
    background:var(--navy-2);
    border:1px solid var(--border-2);
    border-radius:14px; width:820px; max-width:95vw;
    max-height:90vh; overflow-y:auto;
    animation: fadeUp .25s ease;
  }
  @keyframes fadeUp {
    from { opacity:0; transform:translateY(16px); }
    to   { opacity:1; transform:translateY(0); }
  }
  .modal-header {
    display:flex; align-items:center; justify-content:space-between;
    padding:20px 24px; border-bottom:1px solid var(--border);
    position:sticky; top:0; background:var(--navy-2); z-index:1;
  }
  .modal-title { font-size:16px; font-weight:700; }
  .modal-close {
    width:32px; height:32px; border-radius:8px; border:1px solid var(--border-2);
    background:transparent; color:var(--text-2); font-size:18px; cursor:pointer;
    display:flex; align-items:center; justify-content:center;
  }
  .modal-close:hover { color:var(--text); background:var(--navy-3); }
  .modal-body { padding:24px; display:flex; flex-direction:column; gap:20px; }

  .modal-kpis { display:grid; grid-template-columns:repeat(3,1fr); gap:14px; }
  .modal-kpi  {
    background:var(--navy-3); border:1px solid var(--border);
    border-radius:8px; padding:14px 16px;
  }
  .modal-kpi-label { font-size:11px; color:var(--text-3); text-transform:uppercase; letter-spacing:.5px; }
  .modal-kpi-val   { font-size:20px; font-weight:700; font-family:var(--mono); margin-top:4px; }
  .modal-chart-wrap { height:200px; position:relative; }

  /* ── PROJECTED INCOME ────────────────────── */
  .income-bar-grid { display:flex; flex-direction:column; gap:10px; }
  .income-bar-row  { display:flex; align-items:center; gap:12px; font-size:13px; }
  .income-bar-label { width:90px; color:var(--text-2); flex-shrink:0; }
  .income-bar-bg    { flex:1; height:8px; background:var(--border); border-radius:4px; overflow:hidden; }
  .income-bar-fill  { height:100%; border-radius:4px; background:linear-gradient(90deg,var(--cyan),var(--blue)); transition:width .4s; }
  .income-bar-amt   { width:100px; text-align:right; font-family:var(--mono); font-weight:500; }

  /* ── SCROLLBAR ───────────────────────────── */
  ::-webkit-scrollbar { width:6px; height:6px; }
  ::-webkit-scrollbar-track { background:transparent; }
  ::-webkit-scrollbar-thumb { background:var(--navy-4); border-radius:3px; }

  /* ── TOOLTIP ─────────────────────────────── */
  .tooltip-badge {
    display:inline-flex; align-items:center; gap:4px;
    font-size:11px; color:var(--text-3);
    background:var(--navy-4); border:1px solid var(--border);
    border-radius:6px; padding:2px 8px; cursor:default;
  }

  /* ── RESPONSIVE ──────────────────────────── */
  @media(max-width:1100px) {
    .kpi-grid { grid-template-columns:repeat(2,1fr); }
    .section-grid { grid-template-columns:1fr; }
  }