:root {
  color-scheme: light;
  --bg: #f4f7fa;
  --panel: #ffffff;
  --text: #17212b;
  --muted: #667481;
  --border: #d7e0e7;
  --accent: #1f4e78;
  --accent-2: #dceaf6;
  --danger: #b42318;
  --success: #16794b;
  --shadow: 0 6px 20px rgba(22, 35, 48, 0.08);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #111820;
  --panel: #1a2430;
  --text: #eef4f8;
  --muted: #a4b1bd;
  --border: #31404e;
  --accent: #7fb4df;
  --accent-2: #253f55;
  --danger: #ff8a80;
  --success: #70d6a4;
  --shadow: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
body { padding-bottom: calc(74px + env(safe-area-inset-bottom)); }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 1.65rem; }
h2 { margin-bottom: 0; font-size: 1.15rem; }
h3 { margin-bottom: 0.35rem; font-size: 1rem; }
main { max-width: 900px; margin: 0 auto; padding: 0 14px 22px; }
.app-header { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between; padding: calc(12px + env(safe-area-inset-top)) 16px 12px; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.eyebrow { color: var(--muted); font-size: .78rem; margin-bottom: 2px; text-transform: uppercase; letter-spacing: .06em; }
.view { display: none; padding-top: 14px; }
.view.active { display: block; }
.month-row, .section-title, .button-row, .search-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.month-row { margin-bottom: 12px; }
label { display: grid; gap: 5px; color: var(--muted); font-size: .85rem; }
input, select, textarea { width: 100%; border: 1px solid var(--border); background: var(--panel); color: var(--text); border-radius: 12px; padding: 11px 12px; }
textarea { resize: vertical; }
.metrics { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-bottom: 12px; }
.metric-card, .panel { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; box-shadow: var(--shadow); }
.metric-card { padding: 14px; }
.metric-card span { display: block; color: var(--muted); font-size: .78rem; }
.metric-card strong { display: block; margin-top: 5px; font-size: 1.2rem; }
.panel { padding: 14px; margin-bottom: 12px; }
.panel.compact { margin-bottom: 0; }
.section-title { margin-bottom: 10px; }
.muted { color: var(--muted); font-size: .88rem; margin-bottom: 0; }
.primary-btn, .secondary-btn, .danger-btn, .icon-btn { border: 0; border-radius: 12px; padding: 10px 13px; font-weight: 600; }
.primary-btn { background: var(--accent); color: white; }
.secondary-btn { background: var(--accent-2); color: var(--text); }
.danger-btn { background: color-mix(in srgb, var(--danger) 15%, transparent); color: var(--danger); }
.icon-btn { background: transparent; color: var(--text); font-size: 1.15rem; padding: 8px 10px; }
.hidden { display: none !important; }
.space-top { margin-top: 18px; }
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 620px; }
th, td { padding: 11px 10px; border-bottom: 1px solid var(--border); text-align: left; font-size: .88rem; white-space: nowrap; }
th { color: var(--muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; cursor: pointer; }
td input, td select { min-width: 92px; padding: 8px 9px; border-radius: 9px; }
.row-delete { border: 0; background: transparent; color: var(--danger); }
.legend { display: grid; gap: 6px; margin-top: 8px; }
.legend-item { display: flex; justify-content: space-between; gap: 10px; font-size: .84rem; }
.legend-label { display: flex; align-items: center; gap: 7px; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; }
#expenseChart { display: block; max-width: 320px; width: 100%; height: auto; margin: 0 auto; }
.calendar-list, .stack-list { display: grid; gap: 10px; }
.calendar-item, .list-card { background: var(--panel); border: 1px solid var(--border); border-radius: 14px; padding: 13px; }
.calendar-item { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.date-chip { min-width: 54px; text-align: center; padding: 8px; border-radius: 10px; background: var(--accent-2); }
.date-chip strong { display: block; font-size: 1.15rem; }
.progress { height: 10px; background: var(--accent-2); border-radius: 999px; overflow: hidden; margin-top: 8px; }
.progress > span { display: block; height: 100%; background: var(--accent); }
.bottom-nav { position: fixed; bottom: 0; left: 0; right: 0; z-index: 10; display: grid; grid-template-columns: repeat(5, 1fr); padding: 7px 6px calc(7px + env(safe-area-inset-bottom)); background: color-mix(in srgb, var(--panel) 94%, transparent); backdrop-filter: blur(18px); border-top: 1px solid var(--border); }
.nav-btn { border: 0; background: transparent; color: var(--muted); padding: 9px 4px; font-size: .75rem; border-radius: 10px; }
.nav-btn.active { background: var(--accent-2); color: var(--text); font-weight: 700; }
dialog { width: min(92vw, 520px); border: 1px solid var(--border); border-radius: 18px; background: var(--panel); color: var(--text); padding: 0; }
dialog::backdrop { background: rgba(0,0,0,.45); }
#editorForm { padding: 16px; }
.dialog-header, .dialog-actions { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.dialog-fields { display: grid; gap: 12px; margin: 16px 0; }
.dialog-actions { justify-content: flex-end; }
.file-label input { display: none; }
.negative { color: var(--danger); }
.positive { color: var(--success); }

@media (min-width: 700px) {
  .metrics { grid-template-columns: repeat(4, minmax(0,1fr)); }
}
@media print {
  .app-header, .bottom-nav, button, .search-row, .month-row { display: none !important; }
  body { padding: 0; background: white; color: black; }
  .view { display: none !important; }
  #dashboardView, #budgetView, #spendingView { display: block !important; }
  .panel, .metric-card, .table-wrap { box-shadow: none; border-color: #bbb; }
}