/* Dark-only theme. Colors are tokens so the whole palette changes in one place. */
:root {
  color-scheme: dark;
  --bg: #0e1116;
  --panel: #161b22;
  --panel-2: #1c222b;
  --border: #2a313c;
  --text: #e6e9ee;
  --muted: #8b95a5;
  --faint: #5d6675;
  --accent: #5b9dff;
  --good: #3fb97a;
  --bad: #f06a6a;
  --warn: #e8b04b;
  --info: #5b9dff;
  --radius: 10px;
  --mono: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body { font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; font-weight: 600; margin: 0; }
h2 { font-size: 15px; font-weight: 600; margin: 0 0 12px; }
h3 { font-size: 13px; font-weight: 600; margin: 0 0 8px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
.pos { color: var(--good); }
.neg { color: var(--bad); }

/* Layout */
.shell { display: grid; grid-template-columns: 210px 1fr; min-height: 100vh; }
.sidebar { background: var(--panel); border-right: 1px solid var(--border); padding: 18px 12px; position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; }
.brand { font-weight: 700; font-size: 15px; padding: 4px 10px 18px; letter-spacing: .01em; }
.brand span { color: var(--muted); font-weight: 500; display: block; font-size: 12px; }
.nav a { display: block; padding: 8px 10px; border-radius: 7px; color: var(--muted); margin-bottom: 2px; }
.nav a:hover { background: var(--panel-2); color: var(--text); text-decoration: none; }
.nav a.active { background: var(--panel-2); color: var(--text); font-weight: 600; }
.sidebar .user { margin-top: auto; padding: 10px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--border); }
.main { padding: 26px 32px 60px; max-width: 1400px; width: 100%; min-width: 0; }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 20px; }
.page-head .sub { color: var(--muted); margin-top: 2px; }
.section { margin-top: 26px; }

/* Cards */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
.grid { display: grid; gap: 14px; }
.grid.k4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.k3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.k2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stat .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
.stat .value { font-size: 26px; font-weight: 600; margin-top: 4px; font-variant-numeric: tabular-nums; }
.stat .hint { color: var(--faint); font-size: 12px; margin-top: 2px; }
.stat.hero .value { font-size: 34px; }
.breakdown { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.breakdown .item { background: var(--panel-2); border-radius: 8px; padding: 12px 14px; }
.breakdown .item .label { color: var(--muted); font-size: 12px; }
.breakdown .item .value { font-size: 17px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 2px; }
.breakdown .item.total { outline: 1px solid var(--border); }

/* Lines list (label ... amount) */
.lines { width: 100%; border-collapse: collapse; }
.lines td { padding: 7px 0; border-bottom: 1px solid var(--border); }
.lines tr:last-child td { border-bottom: 0; }
.lines tr.sum td { font-weight: 600; border-top: 1px solid var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--panel); }
table.data { width: 100%; border-collapse: collapse; }
table.data th { text-align: left; font-weight: 600; font-size: 12px; color: var(--muted); padding: 10px 12px; border-bottom: 1px solid var(--border); background: var(--panel-2); white-space: nowrap; }
table.data td { padding: 9px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
table.data tr:last-child td { border-bottom: 0; }
table.data tbody tr:hover { background: #1a2029; }
table.data tfoot td { font-weight: 600; background: var(--panel-2); border-top: 1px solid var(--border); }
table.data th.num { text-align: right; }

/* Badges */
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; font-weight: 500; background: #2a313c; color: var(--text); white-space: nowrap; }
.badge.good { background: rgba(63,185,122,.15); color: var(--good); }
.badge.bad { background: rgba(240,106,106,.15); color: var(--bad); }
.badge.warn { background: rgba(232,176,75,.15); color: var(--warn); }
.badge.info { background: rgba(91,157,255,.15); color: var(--info); }

/* Alerts */
.alert { border-radius: var(--radius); padding: 12px 16px; margin-bottom: 16px; border: 1px solid; }
.alert.warn { background: rgba(232,176,75,.08); border-color: rgba(232,176,75,.4); }
.alert.warn strong { color: var(--warn); }
.alert.error { background: rgba(240,106,106,.08); border-color: rgba(240,106,106,.4); }
.alert.success { background: rgba(63,185,122,.08); border-color: rgba(63,185,122,.4); }
.alert.info { background: rgba(91,157,255,.08); border-color: rgba(91,157,255,.4); }
.alert .facts { margin-top: 6px; color: var(--muted); display: flex; gap: 18px; flex-wrap: wrap; }

/* Forms and buttons */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 7px; border: 1px solid var(--border); background: var(--panel-2); color: var(--text); font: inherit; font-weight: 500; cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--muted); text-decoration: none; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #08101e; }
.btn.primary:hover { filter: brightness(1.08); }
.btn.small { padding: 5px 10px; font-size: 12px; }
.btn.ghost { background: transparent; }
input, select, textarea { background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 7px; padding: 8px 10px; font: inherit; width: 100%; }
input[type=checkbox] { width: auto; }
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(91,157,255,.4); border-color: var(--accent); }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.field { margin-bottom: 12px; }
.field .help { font-size: 12px; color: var(--faint); margin-top: 3px; }
.field .errors { color: var(--bad); font-size: 12px; margin-top: 3px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 0 14px; }
.toolbar { display: flex; gap: 10px; align-items: end; flex-wrap: wrap; }
.toolbar .field { margin-bottom: 0; min-width: 140px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* Period picker */
.tabs { display: inline-flex; background: var(--panel); border: 1px solid var(--border); border-radius: 8px; padding: 3px; gap: 2px; }
.tabs a { padding: 6px 14px; border-radius: 6px; color: var(--muted); }
.tabs a.active { background: var(--panel-2); color: var(--text); font-weight: 600; }
.tabs a:hover { text-decoration: none; color: var(--text); }
.period-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: end; margin-bottom: 20px; }
.period-nav { display: flex; align-items: center; gap: 8px; }

/* Weeks */
.weeks { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 12px; }
.week .top { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.week .dates { color: var(--muted); font-size: 12px; }

/* History timeline */
.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 10px 0; border-bottom: 1px solid var(--border); }
.timeline li:last-child { border-bottom: 0; }
.timeline .meta { color: var(--muted); font-size: 12px; }
.timeline .what { margin-top: 2px; }
.timeline .note { color: var(--muted); white-space: pre-wrap; margin-top: 2px; }

.pager { display: flex; gap: 8px; align-items: center; margin-top: 14px; color: var(--muted); }
details summary { cursor: pointer; color: var(--accent); }
.empty { padding: 28px; text-align: center; color: var(--muted); }
code { font-family: var(--mono); font-size: 12px; background: var(--panel-2); padding: 1px 5px; border-radius: 4px; }

/* Login */
.login { max-width: 360px; margin: 12vh auto; }

@media (max-width: 1100px) { .grid.k4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px 16px; }
  .brand { padding: 4px 10px 4px 0; }
  .nav { display: flex; flex-wrap: wrap; gap: 2px; }
  .sidebar .user { margin: 0; border: 0; padding: 4px 0; width: 100%; }
  .main { padding: 18px 16px 40px; }
  .grid.k4, .grid.k3, .grid.k2 { grid-template-columns: 1fr; }
}
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }