:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-light: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #38bdf8;
  --green: #4ade80;
  --red: #f87171;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html { overflow-x: hidden; }

body {
  margin: 0;
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.layout { display: flex; min-height: 100vh; }

.sidebar {
  width: 230px;
  background: var(--panel);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--border);
}

.brand { font-size: 18px; font-weight: bold; margin-bottom: 28px; color: var(--accent); }

.sidebar nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }

.sidebar nav a {
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 14px;
}

.sidebar nav a:hover { background: var(--panel-light); color: var(--text); }
.sidebar nav a.active { background: var(--accent); color: #0f172a; font-weight: 600; }

.sidebar .logout {
  margin-top: auto;
  padding: 10px 12px;
  font-size: 14px;
  color: var(--red);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.topbar {
  display: none;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 14px 16px;
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-title { font-weight: 600; font-size: 16px; }
.menu-toggle {
  background: var(--panel-light);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 18px;
  padding: 6px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 25;
}
.overlay.show { display: block; }

.content { flex: 1; padding: 28px 36px; max-width: 1100px; }

.page-head { margin-bottom: 24px; }
.page-head h1 { margin: 0 0 4px; font-size: 24px; }
.muted { color: var(--muted); margin: 0; font-size: 14px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 28px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.card .label { font-size: 13px; color: var(--muted); }
.card .value { font-size: 22px; font-weight: 700; }
.card.income .value { color: var(--green); }
.card.expense .value { color: var(--red); }
.card.balance .value { color: var(--accent); }
.card.balance.negative .value { color: var(--red); }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  margin-bottom: 24px;
}

.panel h2 { margin: 0 0 16px; font-size: 16px; }

.panel-toolbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 16px; }
.panel-toolbar h2 { margin: 0; }

.report-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.chart-wrap { width: 100%; }
.chart-svg { width: 100%; height: auto; display: block; }
.chart-axis-label { fill: var(--muted); font-size: 12px; }

.bar-expense { fill: var(--red); transition: opacity .15s; }
.bar-expense:hover { opacity: .8; }

.line-income { stroke: var(--green); }
.line-expense { stroke: var(--red); }
.line-income-dot { fill: var(--green); }
.line-expense-dot { fill: var(--red); }
.fill-income { fill: rgba(74,222,128,.12); }
.fill-expense { fill: rgba(248,113,113,.12); }

.chart-legend-row { display: flex; gap: 18px; margin-bottom: 12px; flex-wrap: wrap; }
.legend-chip { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.legend-chip i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.legend-chip i.dot-income { background: var(--green); }
.legend-chip i.dot-expense { background: var(--red); }

.donut-wrap { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.donut-svg { width: 220px; height: 220px; flex-shrink: 0; }
.donut-svg circle { transition: opacity .15s; }
.donut-svg circle:hover { opacity: .8; }
.donut-center-label { fill: var(--muted); font-size: 12px; }
.donut-center-value { fill: var(--text); font-size: 16px; font-weight: 700; }

.donut-legend { display: flex; flex-direction: column; gap: 10px; flex: 1; min-width: 200px; }
.legend-item { display: flex; align-items: center; gap: 10px; font-size: 13px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.legend-label { flex: 1; color: var(--text); }
.legend-value { color: var(--muted); white-space: nowrap; }

.grid-form { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
.grid-form .full { grid-column: 1 / -1; display: flex; gap: 10px; align-items: center; }
.grid-form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }

input, select, button {
  font-family: inherit;
  font-size: 14px;
}

input[type=text], input[type=date], input[type=number], input[type=password], select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
}

input:focus, select:focus { outline: none; border-color: var(--accent); }

.btn-primary {
  background: var(--accent);
  color: #0f172a;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
}
.btn-primary:hover { opacity: .9; }

.btn-secondary {
  background: var(--panel-light);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
}

.btn-icon {
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 6px;
  padding: 4px 8px;
  cursor: pointer;
  margin-right: 4px;
}
.btn-icon:hover { background: var(--panel-light); }

.filter-form { display: flex; gap: 10px; }
.filter-form select { width: auto; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}
.table th { color: var(--muted); font-weight: 600; font-size: 13px; }
.table .empty { text-align: center; color: var(--muted); padding: 24px; }
.table td.income { color: var(--green); font-weight: 600; }
.table td.expense { color: var(--red); font-weight: 600; }

.badge { padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge.income { background: rgba(74,222,128,.15); color: var(--green); }
.badge.expense { background: rgba(248,113,113,.15); color: var(--red); }

/* Login page */
.login-body {
  display: flex; align-items: center; justify-content: center;
  height: 100vh; margin: 0; background: var(--bg); color: var(--text);
  font-family: 'Segoe UI', Arial, sans-serif;
}
.login-box {
  background: var(--panel); border: 1px solid var(--border);
  padding: 36px; border-radius: 14px; width: 320px;
}
.login-box h2 { margin: 0 0 4px; color: var(--accent); }
.login-box .sub { color: var(--muted); font-size: 13px; margin-bottom: 20px; }
.login-box form { display: flex; flex-direction: column; gap: 12px; }
.login-box button { margin-top: 6px; }
.alert {
  background: rgba(248,113,113,.15); color: var(--red);
  padding: 10px 12px; border-radius: 8px; font-size: 13px; margin-bottom: 14px;
}

@media (max-width: 860px) {
  .layout { flex-direction: column; }

  .topbar { display: flex; }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: 240px;
    z-index: 30;
    transform: translateX(-100%);
    transition: transform .25s ease;
    box-shadow: 4px 0 20px rgba(0,0,0,.4);
  }
  .sidebar.open { transform: translateX(0); }

  .content { padding: 16px; max-width: 100%; }

  .cards { grid-template-columns: 1fr; }
  .grid-form { grid-template-columns: 1fr; }
  .grid-form .full { flex-direction: column; align-items: stretch; }
  .grid-form .full button { width: 100%; }
  .report-grid { grid-template-columns: 1fr; }

  .panel { padding: 16px; }
  .panel-toolbar { flex-direction: column; align-items: stretch; }
  .filter-form { flex-wrap: wrap; }
  .filter-form select { flex: 1; min-width: 110px; }
  .filter-form button { width: 100%; }

  /* Tabel jadi kartu */
  .table thead { display: none; }
  .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
  .table tr {
    background: var(--panel-light);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    margin-bottom: 10px;
  }
  .table tr:has(.empty) { background: none; border: none; padding: 0; }
  .table td {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 6px 0;
    border-bottom: none;
    font-size: 14px;
    text-align: right;
  }
  .table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
    font-weight: 600;
    text-align: left;
    flex-shrink: 0;
  }
  .table td:last-child { justify-content: flex-end; }
  .table .empty { text-align: center; padding: 18px; }
}

@media (max-width: 420px) {
  .content { padding: 12px; }
  .card .value { font-size: 19px; }
  .login-box { width: 90vw; padding: 28px 22px; }
  .donut-wrap { flex-direction: column; align-items: center; }
}