/* Clear and simple: easy to read and click. */
:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1d2733;
  --muted: #5d6b7a;
  --border: #d5dbe1;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --danger: #b42318;
  --ok: #1a7f37;
  --warn-bg: #fff8e5;
  --warn-border: #e5c76b;
}

* { box-sizing: border-box; }

/* Make sure hidden things stay hidden, even when a style sets "display". */
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.5 "Segoe UI", system-ui, sans-serif;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 24px;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.header-right { display: flex; align-items: center; gap: 16px; }

h1 { margin: 0; font-size: 1.5rem; }
.version { font-size: 0.8rem; font-weight: normal; color: var(--muted); }
h2 { margin-top: 0; }
h3 { margin: 24px 0 8px; }
.muted { color: var(--muted); }
#save-status.error { color: var(--danger); font-weight: 600; }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 16px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px 24px;
  margin-bottom: 24px;
}

details.card > summary {
  cursor: pointer;
  font-size: 1.3rem;
  font-weight: 700;
}
details.card[open] > summary { margin-bottom: 12px; }

button, .file-button {
  font: inherit;
  padding: 8px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  color: var(--text);
  cursor: pointer;
}
button:hover, .file-button:hover { border-color: var(--accent); }
button:disabled { opacity: 0.5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.big { padding: 14px 24px; font-size: 1.1rem; }
button.small { font-size: 0.9rem; padding: 4px 10px; }
button.delete { color: var(--danger); }

.button-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 12px; }

input, select, textarea {
  font: inherit;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
}
textarea { width: 100%; font-family: Consolas, monospace; font-size: 0.9rem; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; }
th, td { padding: 6px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { font-size: 0.9rem; color: var(--muted); font-weight: 600; }
td.amount, th.amount { text-align: right; white-space: nowrap; font-variant-numeric: tabular-nums; }
td.date { white-space: nowrap; }
tr.total-col td.amount, td.total { font-weight: 700; }
.small-text { font-size: 0.85rem; color: var(--muted); }

/* Chart */
.series-choices { display: flex; flex-wrap: wrap; gap: 6px 18px; margin-bottom: 12px; }
.series-group { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; width: 100%; }
.series-group-title { font-weight: 600; color: var(--muted); min-width: 80px; }
.series-choices label { display: inline-flex; align-items: center; gap: 6px; cursor: pointer; }
.swatch { display: inline-block; width: 14px; height: 14px; border-radius: 3px; }
.chart-box { position: relative; height: 440px; }

/* Import */
.notice { padding: 10px 14px; border-radius: 8px; margin: 12px 0; }
.notice.warn { background: var(--warn-bg); border: 1px solid var(--warn-border); }
.notice.good { background: #e9f7ee; border: 1px solid #9fd6b0; }
.ok-message { color: var(--ok); font-weight: 600; }
.import-history-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.inline-fields { display: flex; flex-wrap: nowrap; gap: 8px; }

/* Screen switch */
.view-switch { display: flex; gap: 12px; margin-bottom: 20px; }
.view-button { padding: 12px 24px; font-size: 1.1rem; font-weight: 600; }
.view-button.selected { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.top-actions { margin: 0 0 20px; }

/* Forms */
.inline-label { display: flex; align-items: center; gap: 10px; font-weight: 600; margin: 8px 0 12px; }
.inline-label.wide input { flex: 1; max-width: 600px; }
input.amount-input { width: 150px; text-align: right; }
.summary-line { font-size: 1.1rem; font-weight: 600; }
.up { color: var(--ok); }
.down { color: var(--danger); }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px 16px; }
.form-grid label { display: flex; flex-direction: column; gap: 4px; font-weight: 600; }
.form-grid label.wide { grid-column: 1 / -1; }
.expense-form { border-top: 1px solid var(--border); margin-top: 16px; }
#account-form { margin-top: 16px; }
.headline { font-size: 1.3rem; font-weight: 700; margin: 0 0 4px; }
tr.editing td { background: #eef4ff; }
td.actions { white-space: nowrap; text-align: right; }
td.actions button { margin-left: 4px; }