:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-soft: #eef3f8;
  --text: #172033;
  --muted: #687386;
  --line: #dfe6ef;
  --green: #0f8b58;
  --green-soft: #e8f6ef;
  --red: #be3d35;
  --red-soft: #fdecea;
  --yellow: #bd7b00;
  --yellow-soft: #fff4d8;
  --blue: #2563eb;
  --shadow: 0 10px 30px rgba(23, 32, 51, .08);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body.dark {
  color-scheme: dark;
  --bg: #111827;
  --panel: #182235;
  --panel-soft: #22304a;
  --text: #edf2f7;
  --muted: #9aa7bb;
  --line: #30405f;
  --green-soft: rgba(15, 139, 88, .16);
  --red-soft: rgba(190, 61, 53, .16);
  --yellow-soft: rgba(189, 123, 0, .16);
  --shadow: none;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; }
button, .button { border: 0; background: var(--blue); color: white; padding: 10px 14px; border-radius: 6px; cursor: pointer; text-decoration: none; display: inline-flex; align-items: center; }
button.ghost { background: var(--panel-soft); color: var(--text); border: 1px solid var(--line); }
button.danger-button { color: var(--red); }
input, select { border: 1px solid var(--line); background: var(--panel); color: var(--text); padding: 10px 12px; border-radius: 6px; min-height: 40px; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { border-bottom: 1px solid var(--line); padding: 10px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 700; }
tbody tr:hover { background: var(--panel-soft); }
body.dark table { color: var(--text); }
body.dark th, body.dark td { border-bottom-color: #3a4966; }

.hidden { display: none !important; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.login-panel { width: min(420px, 100%); background: var(--panel); padding: 28px; border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 8px; display: grid; gap: 16px; }
.login-panel h1 { margin: 0; font-size: 24px; }
.login-panel label { display: grid; gap: 6px; color: var(--muted); }
.error { color: var(--red); min-height: 20px; margin: 0; }

.app { display: grid; grid-template-columns: 250px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--line); padding: 22px 16px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: 100vh; }
.sidebar nav { display: grid; gap: 4px; overflow-y: auto; padding-right: 2px; }
.sidebar a { color: var(--muted); text-decoration: none; padding: 9px 10px; border-radius: 6px; }
.sidebar a.active { color: var(--text); background: var(--panel-soft); font-weight: 700; }
.sidebar-footer { margin-top: auto; display: grid; gap: 8px; padding-top: 16px; border-top: 1px solid var(--line); }
.workspace { min-width: 0; }
.topbar { padding: 22px 28px; display: flex; justify-content: space-between; gap: 16px; align-items: center; border-bottom: 1px solid var(--line); background: var(--bg); position: sticky; top: 0; z-index: 2; }
.topbar h1 { margin: 0; font-size: 24px; }
.context-line { margin: 5px 0 0; color: var(--muted); font-size: 13px; }
.eyebrow { margin: 0 0 4px; color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.filters { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
.filters input[type=number] { width: 92px; }
.filter-field { display: grid; gap: 4px; color: var(--muted); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; }
.filter-field input, .filter-field select { min-width: 120px; text-transform: none; letter-spacing: 0; font-weight: 500; color: var(--text); }
.content { padding: 28px; display: grid; gap: 22px; }

.grid { display: grid; gap: 16px; }
.cards { grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); }
.cards-3 { grid-template-columns: repeat(3, minmax(180px, 1fr)); }
.charts { grid-template-columns: repeat(2, minmax(280px, 1fr)); }
.dashboard-main { grid-template-columns: minmax(360px, 1.2fr) minmax(320px, .8fr); }
.finance-grids { grid-template-columns: repeat(2, minmax(360px, 1fr)); }
.kpi-grid { grid-template-columns: repeat(4, minmax(190px, 1fr)); }
.panel, .card { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); }
.panel { padding: 18px; min-width: 0; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 10px; }
.panel-heading h2 { margin: 0; }
.panel-heading span { color: var(--muted); font-size: 12px; font-weight: 800; }
.card { padding: 14px; display: grid; gap: 8px; min-height: 128px; }
.card-label { color: var(--muted); font-size: 13px; }
.card-value { font-size: 24px; font-weight: 800; }
.clickable-card { cursor: pointer; transition: border-color .15s ease, transform .15s ease; }
.clickable-card:hover { border-color: var(--blue); transform: translateY(-1px); }
.info-dot { display: inline-grid; place-items: center; width: 16px; height: 16px; margin-left: 6px; border-radius: 999px; background: var(--panel-soft); color: var(--muted); font-size: 11px; font-weight: 800; }
.variation { font-size: 12px; font-weight: 700; }
.variation.up { color: var(--green); }
.variation.down { color: var(--red); }
.chart { min-height: 300px; }
.spark { min-height: 34px; }
.empty-spark { color: var(--muted); font-size: 12px; }
.apexcharts-canvas,
.apexcharts-svg,
.apexcharts-legend,
.apexcharts-inner {
  background: transparent !important;
}
body.dark .apexcharts-menu {
  background: var(--panel) !important;
  border-color: var(--line) !important;
}
body.dark .apexcharts-menu-item:hover {
  background: var(--panel-soft) !important;
}
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin-bottom: 14px; }
.segmented { display: inline-flex; background: var(--panel-soft); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.segmented button { background: transparent; color: var(--muted); border-radius: 0; padding: 9px 12px; }
.segmented button.active { background: var(--blue); color: #fff; }
.soft-green { background: var(--green-soft); }
.soft-red { background: var(--red-soft); }
.soft-yellow { background: var(--yellow-soft); }
.status-dot { width: 10px; height: 10px; border-radius: 999px; display: inline-block; }
.status-green { background: var(--green); }
.status-yellow { background: var(--yellow); }
.status-red { background: var(--red); }
.danger { color: var(--red); font-weight: 800; }
.banner { padding: 12px 14px; border-radius: 8px; border: 1px solid var(--line); }
.alerts { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.alert-list { display: grid; gap: 12px; }
.alert { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; display: grid; gap: 4px; background: var(--panel); box-shadow: var(--shadow); }
.alert span { color: var(--muted); font-size: 13px; }
.alert-green { border-left: 4px solid var(--green); }
.alert-yellow { border-left: 4px solid var(--yellow); }
.alert-red { border-left: 4px solid var(--red); }
.chart-alert {
  margin: 0 0 10px;
  padding: 10px 12px;
  border-radius: 6px;
  border: 1px solid var(--line);
  border-left: 4px solid var(--red);
  background: var(--red-soft);
  color: var(--text);
  font-weight: 800;
  font-size: 13px;
}
.delinquency-panel { display: grid; gap: 18px; align-content: start; }
.meter-summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; }
.meter-value { display: block; font-size: 36px; line-height: 1; margin-top: 6px; }
.meter-red { color: var(--red); }
.meter-yellow { color: var(--yellow); }
.meter-green { color: var(--green); }
.meter-badge {
  border-radius: 999px;
  padding: 8px 12px;
  font-size: 12px;
  font-weight: 800;
  background: var(--panel-soft);
}
.risk-meter {
  position: relative;
  height: 28px;
  border-radius: 999px;
  overflow: visible;
  background: linear-gradient(90deg, var(--green-soft) 0 var(--target), var(--red-soft) var(--target) 100%);
  border: 1px solid var(--line);
}
.risk-zone { position: absolute; top: 0; bottom: 0; }
.risk-zone.safe { left: 0; width: var(--target); background: rgba(15, 139, 88, .32); border-radius: 999px 0 0 999px; }
.risk-zone.danger { left: var(--target); right: 0; background: rgba(190, 61, 53, .28); border-radius: 0 999px 999px 0; }
.meter-marker {
  position: absolute;
  top: -7px;
  width: 3px;
  height: 42px;
  border-radius: 999px;
  z-index: 1;
}
.target-marker { left: var(--target); background: var(--muted); }
.value-marker { left: var(--value); background: var(--red); box-shadow: 0 0 0 4px rgba(190, 61, 53, .18); }
.meter-scale { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; color: var(--muted); font-size: 12px; }
.meter-scale span:nth-child(2), .meter-scale span:nth-child(3) { text-align: center; }
.meter-scale span:last-child { text-align: right; }
.table-wrap { width: 100%; overflow-x: auto; }
.compact-table td small {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}
.compact-table .money-cell { font-weight: 800; white-space: nowrap; }
.status-pill {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}
.status-overdue { color: var(--red); background: var(--red-soft); }
.status-today { color: var(--yellow); background: var(--yellow-soft); }
.status-open { color: var(--green); background: var(--green-soft); }
.payment-method { display: inline-flex; gap: 6px; align-items: center; white-space: nowrap; color: var(--muted); }
.delay-badge { display: inline-flex; border-radius: 999px; padding: 5px 9px; font-size: 11px; font-weight: 800; }
.delay-high { color: #7f1d1d; background: #fee2e2; }
.delay-mid { color: var(--yellow); background: var(--yellow-soft); }
.delay-low { color: var(--muted); background: var(--panel-soft); }
body.dark .delay-high { color: #fecaca; background: rgba(127, 29, 29, .45); }
.table-footer { color: var(--muted); font-size: 12px; }
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(120px, 1fr));
  gap: 10px;
}
.calendar-day {
  min-height: 112px;
  display: grid;
  align-content: start;
  gap: 5px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}
.calendar-day span {
  color: var(--muted);
  font-size: 11px;
}
.calendar-positive { border-left: 4px solid var(--green); background: var(--green-soft); }
.calendar-negative { border-left: 4px solid var(--red); background: var(--red-soft); }
.skeleton { min-height: 120px; border-radius: 8px; background: linear-gradient(90deg, var(--panel), var(--panel-soft), var(--panel)); background-size: 220% 100%; animation: pulse 1.2s infinite; }

@keyframes pulse { from { background-position: 0 0; } to { background-position: -220% 0; } }

@media (max-width: 1100px) {
  .cards { grid-template-columns: repeat(3, minmax(160px, 1fr)); }
  .charts, .dashboard-main, .finance-grids { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: repeat(2, minmax(180px, 1fr)); }
}

@media (max-width: 820px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { height: auto; position: static; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar nav { grid-template-columns: repeat(2, 1fr); }
  .sidebar-footer { margin-top: 0; grid-template-columns: repeat(2, 1fr); }
  .topbar { position: static; flex-direction: column; align-items: stretch; padding: 18px; }
  .content { padding: 18px; }
  .cards, .cards-3 { grid-template-columns: 1fr; }
  .kpi-grid { grid-template-columns: 1fr; }
  .calendar-grid { grid-template-columns: repeat(2, minmax(130px, 1fr)); }
}