:root {
  --bg: #f5f6fa;
  --card: #fff;
  --border: #e0e3eb;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --text: #1e293b;
  --text-muted: #64748b;
  --green: #16a34a;
  --red: #dc2626;
  --orange: #ea580c;
  --row-alt: #f8fafc;
  --header-bg: #1e293b;
  --header-text: #fff;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; background: var(--bg); color: var(--text); font-size: 13px; }

/* Top bar */
.topbar { background: var(--header-bg); color: var(--header-text); padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; }
.topbar h1 { font-size: 16px; font-weight: 600; }
.topbar .company { font-size: 12px; opacity: 0.7; }
.topbar .status { display: flex; align-items: center; gap: 8px; font-size: 12px; }
.topbar .dot { width: 8px; height: 8px; border-radius: 50%; }
.dot.connected { background: var(--green); }
.dot.disconnected { background: var(--red); }

/* Tabs */
.tabs { display: flex; background: var(--card); border-bottom: 1px solid var(--border); padding: 0 24px; }
.tab { padding: 10px 20px; cursor: pointer; font-size: 13px; font-weight: 500; color: var(--text-muted); border-bottom: 2px solid transparent; transition: all 0.15s; }
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Content */
.content { padding: 20px 24px; max-width: 1400px; }
.panel { display: none; }
.panel.active { display: block; }

/* Buttons */
.btn { padding: 7px 16px; border: none; border-radius: 6px; cursor: pointer; font-size: 12px; font-weight: 500; transition: all 0.15s; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { background: #e2e8f0; }
.btn-success { background: var(--green); color: #fff; }
.btn-success:hover { background: #15803d; }

/* Cards */
.card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 20px; margin-bottom: 16px; }
.card h3 { font-size: 14px; margin-bottom: 12px; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 12px; }
th { background: var(--header-bg); color: var(--header-text); padding: 8px 10px; text-align: left; font-weight: 500; white-space: nowrap; position: sticky; top: 0; }
th.num { text-align: right; }
td { padding: 6px 10px; border-bottom: 1px solid var(--border); }
tr:nth-child(even) td { background: var(--row-alt); }
tr.section-header td { background: #e2e8f0; font-weight: 600; padding-top: 10px; }
tr.total-row td { font-weight: 700; border-top: 2px solid var(--text); }
tr.subtotal-row td { font-weight: 600; border-top: 1px solid var(--text-muted); }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.positive { color: var(--green); }
td.negative { color: var(--red); }

/* Editable cells */
td.editable { background: #fffbeb; cursor: pointer; position: relative; }
td.editable:hover { background: #fef3c7; }
td.editable input { width: 100%; border: 1px solid var(--primary); border-radius: 3px; padding: 2px 4px; font-size: 12px; text-align: right; font-variant-numeric: tabular-nums; }

/* Comment column */
td.comment { max-width: 200px; }
td.comment input { width: 100%; border: none; background: transparent; font-size: 11px; color: var(--text-muted); }
td.comment input:focus { outline: 1px solid var(--primary); background: #fff; }

/* Settings form */
.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 12px; font-weight: 500; margin-bottom: 4px; color: var(--text-muted); }
.form-group input { width: 100%; padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; font-size: 13px; }
.form-group input:focus { outline: none; border-color: var(--primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* Toolbar */
.toolbar { display: flex; gap: 8px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
.toolbar .spacer { flex: 1; }
.toolbar .info { font-size: 12px; color: var(--text-muted); }

/* Week settings */
.week-settings { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 8px; margin-bottom: 16px; }
.week-setting { background: var(--card); border: 1px solid var(--border); border-radius: 6px; padding: 8px 12px; }
.week-setting label { font-size: 11px; color: var(--text-muted); display: block; margin-bottom: 2px; }
.week-setting .val { font-size: 14px; font-weight: 600; }

/* Exclude badge */
.exclude-badge { font-size: 10px; background: var(--red); color: #fff; padding: 1px 6px; border-radius: 10px; cursor: pointer; }
.include-badge { font-size: 10px; background: var(--green); color: #fff; padding: 1px 6px; border-radius: 10px; cursor: pointer; }

/* Responsive */
.table-wrap { overflow-x: auto; }

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--text-muted); }
.spinner { display: inline-block; width: 20px; height: 20px; border: 2px solid var(--border); border-top-color: var(--primary); border-radius: 50%; animation: spin 0.6s linear infinite; margin-right: 8px; vertical-align: middle; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Toast */
.toast { position: fixed; bottom: 20px; right: 20px; background: var(--header-bg); color: #fff; padding: 10px 20px; border-radius: 8px; font-size: 13px; z-index: 999; opacity: 0; transition: opacity 0.3s; }
.toast.show { opacity: 1; }

/* KPI cards — dark theme */
.kpi-card { background: #1e293b; border: 1px solid rgba(255,255,255,0.06); border-radius: 10px; padding: 16px 18px; cursor: pointer; transition: all 0.15s; }
.kpi-card:hover { border-color: rgba(255,255,255,0.15); transform: translateY(-1px); }
.kpi-card .kpi-label { font-size: 11px; color: #94a3b8; margin-bottom: 6px; }
.kpi-card .kpi-value { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; color: #f1f5f9; }
.kpi-card .kpi-change { font-size: 11px; margin-top: 6px; color: #64748b; }
.kpi-card .kpi-bar { height: 4px; border-radius: 2px; margin-top: 10px; background: rgba(255,255,255,0.06); overflow: hidden; }
.kpi-card .kpi-bar-fill { height: 100%; border-radius: 2px; transition: width 0.5s; }

/* Drill-down modal */
#drillModal[style*="flex"] { display: flex !important; }
td.drillable { cursor: pointer; text-decoration: underline; text-decoration-style: dotted; text-underline-offset: 3px; }
td.drillable:hover { background: #e0e7ff; }
tr.drillable:hover td { background: #e0e7ff; }

/* Sidebar layout */
.app-layout { display: flex; min-height: 100vh; }
.sidebar { width: 230px; background: var(--header-bg); color: #cbd5e1; flex-shrink: 0; display: flex; flex-direction: column; position: fixed; top: 0; left: 0; bottom: 0; z-index: 50; overflow-y: auto; }
.sidebar-header { padding: 16px 18px 12px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.sidebar-header h1 { font-size: 15px; font-weight: 700; color: #fff; margin-bottom: 2px; }
.sidebar-header .company { font-size: 11px; opacity: 0.5; }
.sidebar-header .conn-row { display: flex; align-items: center; gap: 6px; margin-top: 8px; font-size: 11px; }
.sidebar-group { padding: 8px 0; }
.sidebar-group-title { padding: 6px 18px; font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: #64748b; cursor: pointer; display: flex; justify-content: space-between; align-items: center; user-select: none; }
.sidebar-group-title:hover { color: #94a3b8; }
.sidebar-group-title .arrow { transition: transform 0.2s; font-size: 8px; }
.sidebar-group-title .arrow.collapsed { transform: rotate(-90deg); }
.sidebar-item { padding: 7px 18px 7px 28px; font-size: 12px; cursor: pointer; transition: all 0.12s; display: block; color: #94a3b8; text-decoration: none; }
.sidebar-item:hover { background: rgba(255,255,255,0.06); color: #e2e8f0; }
.sidebar-item.active { background: rgba(37,99,235,0.2); color: #fff; border-right: 3px solid var(--primary); }
.sidebar-bottom { margin-top: auto; padding: 12px 18px; border-top: 1px solid rgba(255,255,255,0.08); display: flex; flex-direction: column; gap: 6px; }
.sidebar-bottom .sidebar-item { padding: 4px 0; }
.main-content { margin-left: 230px; flex: 1; min-width: 0; }

/* Hide old topbar and tabs */
.topbar, .tabs { display: none; }