:root {
  color-scheme: light dark;
  --bg: #f4f6f8;
  --panel: #ffffff;
  --border: #dde3ea;
  --text: #1b2430;
  --muted: #667085;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --danger: #dc2626;
  --ok: #16a34a;
  --warning: #d97706;
  --accent-wash: rgba(37, 99, 235, .12);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1420;
    --panel: #161d2b;
    --border: #2a3446;
    --text: #e7ecf3;
    --muted: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #60a5fa;
    --accent-wash: rgba(59, 130, 246, .18);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

#app { min-height: 100vh; }

.center-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  width: 100%;
  max-width: 380px;
}

.card h1 {
  font-size: 1.25rem;
  margin: 0 0 .25rem;
}

.card p.subtitle {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: .9rem;
}

label {
  display: block;
  font-size: .85rem;
  margin-bottom: .3rem;
  color: var(--muted);
}

input, select, textarea {
  width: 100%;
  padding: .6rem .7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  margin-bottom: 1rem;
  font-size: .95rem;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: .6rem 1rem;
  font-size: .95rem;
  font-weight: 600;
  background: var(--accent);
  color: white;
  transition: background .15s ease;
}
button:hover { background: var(--accent-hover); }
button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.danger { background: var(--danger); }

.error-msg {
  color: var(--danger);
  font-size: .85rem;
  margin: -.5rem 0 1rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .9rem 1.5rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
}
.topbar .brand { font-weight: 700; }
.topbar .role-badge {
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--muted);
  margin-left: .6rem;
}
.topbar .who { display: flex; align-items: center; gap: .8rem; font-size: .9rem; }

.layout { display: flex; min-height: calc(100vh - 57px); }

nav.sidebar {
  width: 210px;
  border-right: 1px solid var(--border);
  padding: 1rem .5rem;
  flex-shrink: 0;
}
nav.sidebar button {
  display: block;
  width: 100%;
  text-align: left;
  background: transparent;
  color: var(--text);
  font-weight: 500;
  margin-bottom: .25rem;
}
nav.sidebar button.active { background: var(--accent); color: white; }
nav.sidebar button:not(.active):hover { background: var(--border); }

main.content { flex: 1; padding: 1.5rem 2rem; overflow-x: auto; }
main.content h2 { margin-top: 0; }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-size: .9rem;
}
th, td {
  text-align: left;
  padding: .6rem .8rem;
  border-bottom: 1px solid var(--border);
}
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; }
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: .15rem .55rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 600;
}
.badge.active, .badge.paid, .badge.resolved, .badge.closed { background: rgba(22,163,74,.15); color: var(--ok); }
.badge.unpaid, .badge.open, .badge.suspended { background: rgba(220,38,38,.15); color: var(--danger); }
.badge.in_progress, .badge.overdue { background: rgba(217,119,6,.15); color: #d97706; }
.badge.cancelled { background: rgba(100,116,139,.15); color: var(--muted); }

.toolbar { display: flex; gap: .6rem; margin-bottom: 1rem; align-items: center; flex-wrap: wrap; }
.toolbar form { display: flex; gap: .5rem; align-items: flex-end; flex-wrap: wrap; }
.toolbar label { margin: 0; }
.field-inline { display: flex; flex-direction: column; }
.field-inline input, .field-inline select { margin-bottom: 0; width: auto; }

.muted { color: var(--muted); }
.empty-state { color: var(--muted); padding: 2rem 0; text-align: center; }

/* ---------- Dashboard ---------- */

.dash-header { display: flex; align-items: baseline; justify-content: space-between; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.2rem; }
.dash-header h2 { margin: 0; }
.dash-header .dash-sub { color: var(--muted); font-size: .85rem; }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 1rem;
  margin-bottom: 1.3rem;
}

.stat-tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.1rem 1.3rem;
}
.stat-tile .stat-label {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: .5rem;
}
.stat-tile .stat-icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  background: var(--accent-wash);
}
.stat-tile .stat-icon.ok { background: rgba(22, 163, 74, .15); }
.stat-tile .stat-icon.warning { background: rgba(217, 119, 6, .15); }
.stat-tile .stat-icon.danger { background: rgba(220, 38, 38, .15); }
.stat-tile .stat-value {
  font-size: 1.65rem;
  font-weight: 700;
  line-height: 1.15;
}
.stat-tile .stat-delta { font-size: .78rem; margin-top: .4rem; font-weight: 600; }
.stat-delta.up { color: var(--ok); }
.stat-delta.down { color: var(--danger); }
.stat-delta.flat { color: var(--muted); }

.dash-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
  align-items: start;
}
.dash-grid.even { grid-template-columns: 1fr 1fr; }
@media (max-width: 880px) {
  .dash-grid, .dash-grid.even { grid-template-columns: 1fr; }
}

.panel-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem 1.4rem;
  margin-bottom: 1rem;
  min-width: 0;
}
.panel-card h3 {
  margin: 0 0 .2rem;
  font-size: .95rem;
}
.panel-card .panel-sub {
  margin: 0 0 1rem;
  font-size: .78rem;
  color: var(--muted);
}
.panel-stack { display: flex; flex-direction: column; gap: 1.1rem; }

/* revenue bar chart */
.chart-wrap { position: relative; }
.chart-wrap svg { width: 100%; height: auto; display: block; overflow: visible; }
.bar-mark { fill: var(--accent); cursor: pointer; transition: fill .12s ease; }
.bar-mark:hover { fill: var(--accent-hover); }
.bar-month-label { fill: var(--muted); font-size: 7px; }
.bar-value-label { fill: var(--text); font-size: 7.5px; font-weight: 600; }
.chart-baseline { stroke: var(--border); stroke-width: 1; }

.chart-tooltip {
  position: fixed;
  z-index: 50;
  pointer-events: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: .45rem .65rem;
  font-size: .78rem;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .18);
  opacity: 0;
  transform: translate(-50%, -100%);
  transition: opacity .08s ease;
  white-space: nowrap;
}
.chart-tooltip.visible { opacity: 1; }
.chart-tooltip .tip-title { color: var(--muted); font-size: .7rem; margin-bottom: .15rem; text-transform: capitalize; }
.chart-tooltip .tip-value { font-weight: 700; }

/* segmented status bar */
.segbar {
  display: flex;
  gap: 2px;
  height: 14px;
  border-radius: 999px;
  overflow: hidden;
  background: var(--panel);
  margin-bottom: .8rem;
}
.segbar .seg { min-width: 3px; cursor: pointer; }
.segbar .seg.active, .segbar .seg.paid, .segbar .seg.resolved, .segbar .seg.closed { background: var(--ok); }
.segbar .seg.unpaid, .segbar .seg.open, .segbar .seg.suspended { background: var(--danger); }
.segbar .seg.in_progress, .segbar .seg.overdue { background: var(--warning); }
.segbar .seg.cancelled { background: var(--muted); }

.seg-legend { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; }
.seg-legend-item { display: flex; align-items: center; gap: .4rem; font-size: .78rem; color: var(--text); }
.seg-legend-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.seg-legend-dot.active, .seg-legend-dot.paid, .seg-legend-dot.resolved, .seg-legend-dot.closed { background: var(--ok); }
.seg-legend-dot.unpaid, .seg-legend-dot.open, .seg-legend-dot.suspended { background: var(--danger); }
.seg-legend-dot.in_progress, .seg-legend-dot.overdue { background: var(--warning); }
.seg-legend-dot.cancelled { background: var(--muted); }
.seg-legend-item .seg-count { color: var(--muted); }

.mini-table-title { font-size: .95rem; margin: 0 0 .8rem; }
.rank-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: .7rem; }
.rank-row { display: flex; align-items: center; gap: .7rem; }
.rank-badge {
  width: 22px; height: 22px; border-radius: 6px;
  background: var(--accent-wash); color: var(--accent);
  font-size: .72rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.rank-info { flex: 1; min-width: 0; }
.rank-name { font-size: .85rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.rank-meta { font-size: .75rem; color: var(--muted); }
.rank-value { font-size: .82rem; font-weight: 600; white-space: nowrap; }