/* Bill Tracker — paper ledger theme */
:root {
  --paper: #F6F7F4;
  --card: #FFFFFF;
  --border: #DDE3E0;
  --ink: #182732;
  --muted: #5C6B76;
  --green: #2E7D5B;
  --green-bg: #EAF4EF;
  --rust: #B0522F;
  --rust-bg: #F9EDE7;
  --amber: #8A6D1F;
  --amber-bg: #FBF4DE;
  --head: 'Archivo', sans-serif;
  --mono: 'IBM Plex Mono', monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--head);
  font-size: 15px;
  line-height: 1.45;
}
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: var(--mono); font-size: 14px; color: var(--ink); }
a { color: var(--ink); }

.mono, td, th, .num { font-family: var(--mono); font-variant-numeric: tabular-nums; }
h1, h2, h3 { font-family: var(--head); font-weight: 800; letter-spacing: -0.015em; }

/* ---------- sticky tally bar ---------- */
#tallybar {
  position: sticky; top: 0; z-index: 50;
  background: var(--ink); color: #fff;
  display: flex; align-items: stretch; gap: 0;
  padding: 0 12px; min-height: 52px;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
}
#tallybar .brand {
  display: flex; align-items: center; font-weight: 800; font-size: 15px;
  letter-spacing: 0.04em; padding-right: 16px; white-space: nowrap;
}
#tallybar .brand .tick { color: #7FBFA2; margin-right: 7px; font-family: var(--mono); }
.tally { display: flex; align-items: center; gap: 18px; margin-left: auto; }
.tally .cell { display: flex; flex-direction: column; justify-content: center; text-align: right; padding: 6px 0; white-space: nowrap; }
.tally .lbl {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.14em;
  text-transform: uppercase; color: #8FA0AC;
}
.tally .val { font-family: var(--mono); font-size: 15px; font-weight: 600; font-variant-numeric: tabular-nums; }
.tally .val.pos { color: #7FBFA2; }
.tally .val.neg { color: #E8A188; }
#logoutBtn {
  background: none; border: 1px solid #3C4E5C; color: #8FA0AC;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 5px 10px; margin: auto 0 auto 16px;
}
#logoutBtn:hover { color: #fff; border-color: #fff; }

/* ---------- nav tabs ---------- */
#nav {
  display: flex; gap: 0; background: var(--card);
  border-bottom: 2px solid var(--ink);
  position: sticky; top: 52px; z-index: 40;
  overflow-x: auto;
}
#nav a {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase;
  text-decoration: none; color: var(--muted); padding: 12px 18px; white-space: nowrap;
  border-bottom: 3px solid transparent; margin-bottom: -2px;
}
#nav a.active { color: var(--ink); font-weight: 600; border-bottom-color: var(--ink); }

/* ---------- layout ---------- */
#main { max-width: 960px; margin: 0 auto; padding: 22px 14px 80px; }
.section-head {
  display: flex; align-items: baseline; justify-content: space-between; gap: 10px;
  text-transform: uppercase; letter-spacing: 0.08em;
  border-bottom: 2px solid var(--ink); padding-bottom: 6px; margin: 28px 0 14px;
}
.section-head h2 { font-size: 15px; font-weight: 800; }
.section-head .sub { font-family: var(--mono); font-size: 11px; color: var(--muted); }

.card {
  background: var(--card); border: 1px solid var(--border); border-top: 3px solid var(--ink);
  padding: 16px; margin-bottom: 16px;
}

.btn {
  font-family: var(--mono); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase;
  background: var(--ink); color: #fff; border: 1px solid var(--ink); padding: 9px 14px;
}
.btn.ghost { background: var(--card); color: var(--ink); }
.btn.ghost:hover { background: var(--paper); }
.btn.small { padding: 5px 9px; font-size: 10px; }
.btn.danger { background: var(--card); color: var(--rust); border-color: var(--rust); }
.btn:disabled { opacity: 0.5; cursor: default; }

.badge {
  font-family: var(--mono); font-size: 9px; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 2px 6px; border: 1px solid var(--border); color: var(--muted); white-space: nowrap;
}
.badge.auto { color: var(--green); border-color: var(--green); background: var(--green-bg); }
.badge.credit { color: var(--amber); border-color: var(--amber); background: var(--amber-bg); }

/* ---------- login ---------- */
#loginView { max-width: 360px; margin: 12vh auto 0; padding: 0 16px; }
#loginView .card { padding: 26px; }
#loginView h1 { font-size: 22px; margin-bottom: 4px; }
#loginView p.tag { font-family: var(--mono); font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 20px; }
#loginView input {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); background: var(--paper);
  margin-bottom: 12px; font-size: 16px;
}
#loginView .btn { width: 100%; padding: 12px; font-size: 13px; }
.err { color: var(--rust); background: var(--rust-bg); border: 1px solid var(--rust); padding: 8px 10px; font-family: var(--mono); font-size: 12px; margin-bottom: 12px; }

/* ---------- month header ---------- */
.month-nav { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 12px; }
.month-nav h1 { font-size: 24px; letter-spacing: -0.02em; }
.month-nav .btn { min-width: 44px; }
.month-stats { display: flex; gap: 20px; flex-wrap: wrap; font-family: var(--mono); font-size: 13px; margin-bottom: 8px; }
.month-stats b { font-weight: 600; }
.progress { height: 8px; background: var(--card); border: 1px solid var(--border); margin-bottom: 20px; }
.progress > div { height: 100%; background: var(--green); transition: width 0.25s; }

/* ---------- bill checklist rows ---------- */
.bill-row {
  display: flex; align-items: center; gap: 12px;
  background: var(--card); border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  padding: 12px 14px; margin-bottom: 8px;
}
.bill-row.due-soon { border-left-color: var(--amber); }
.bill-row.overdue { border-left-color: var(--rust); }
.bill-row.paid { background: var(--green-bg); border-color: #C5E0D2; border-left-color: var(--green); }
.bill-row.paid .b-name { text-decoration: line-through; color: var(--green); }
.chk {
  width: 30px; height: 30px; min-width: 30px; appearance: none; -webkit-appearance: none;
  border: 2px solid var(--muted); background: #fff; cursor: pointer; position: relative;
}
.chk:checked { background: var(--green); border-color: var(--green); }
.chk:checked::after {
  content: '✓'; color: #fff; position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center; font-size: 19px; font-weight: 700;
}
.b-main { flex: 1; min-width: 0; }
.b-name { font-weight: 700; font-size: 15px; }
.b-sub { font-family: var(--mono); font-size: 11px; color: var(--muted); margin-top: 2px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.b-right { text-align: right; white-space: nowrap; }
.b-amt { font-family: var(--mono); font-size: 16px; font-weight: 600; font-variant-numeric: tabular-nums; }
.b-due { font-family: var(--mono); font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.b-due.overdue { color: var(--rust); font-weight: 600; }
.paylink { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ink); border: 1px solid var(--border); padding: 4px 8px; text-decoration: none; background: #fff; }
.paylink:hover { border-color: var(--ink); }
.paid-edit { display: flex; gap: 6px; align-items: center; margin-top: 6px; }
.paid-edit input[type=number] { width: 96px; padding: 4px 6px; border: 1px solid var(--border); }
.paid-edit input[type=date] { padding: 3px 6px; border: 1px solid var(--border); font-size: 12px; }
.paid-note { font-family: var(--mono); font-size: 10px; color: var(--green); }

/* ---------- bills manager ---------- */
.mgr-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1px solid var(--border); padding: 10px 12px; margin-bottom: 6px;
}
.mgr-row.dragging { opacity: 0.4; }
.drag-handle { cursor: grab; color: var(--muted); font-size: 16px; padding: 4px 6px 4px 0; user-select: none; touch-action: none; }
.mgr-main { flex: 1; min-width: 0; }
.mgr-name { font-weight: 700; }
.mgr-sub { font-family: var(--mono); font-size: 11px; color: var(--muted); }
.arrows { display: flex; flex-direction: column; gap: 2px; }
.arrows button { border: 1px solid var(--border); background: #fff; font-size: 10px; padding: 1px 7px; color: var(--muted); }

/* ---------- forms / modal ---------- */
#modalWrap { position: fixed; inset: 0; background: rgba(24,39,50,0.45); z-index: 100;
  display: flex; align-items: flex-start; justify-content: center; padding: 30px 12px; overflow-y: auto; }
#modalWrap .card { width: 100%; max-width: 480px; margin: 0; }
#modalWrap h3 { text-transform: uppercase; letter-spacing: 0.08em; font-size: 14px;
  border-bottom: 2px solid var(--ink); padding-bottom: 6px; margin-bottom: 14px; }
.frm { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.frm label { display: flex; flex-direction: column; gap: 4px; font-family: var(--mono); font-size: 10px;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); }
.frm label.full { grid-column: 1 / -1; }
.frm input, .frm select { padding: 9px 10px; border: 1px solid var(--border); background: var(--paper); width: 100%; font-size: 15px; }
.frm .chkline { flex-direction: row; align-items: center; gap: 8px; font-size: 11px; color: var(--ink); }
.frm .chkline input { width: 18px; height: 18px; }
.frm-actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); }
th {
  font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--muted); text-align: left; padding: 8px 10px; border-bottom: 2px solid var(--ink);
  background: var(--card); font-weight: 500; white-space: nowrap;
}
td { padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 13px; vertical-align: middle; }
td.r, th.r { text-align: right; }
tr.pay td { color: var(--muted); }
td select { padding: 4px 6px; border: 1px solid var(--border); background: var(--paper); max-width: 150px; font-size: 12px; }
.pct { color: var(--muted); font-size: 11px; }

/* ---------- dashboard ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 6px; }
.tile { background: var(--card); border: 1px solid var(--border); border-top: 3px solid var(--ink); padding: 12px 14px; }
.tile .lbl { font-family: var(--mono); font-size: 9px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); }
.tile .val { font-family: var(--mono); font-size: 21px; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 4px; }
.tile .val.pos { color: var(--green); }
.tile .val.neg { color: var(--rust); }
.tile .sub { font-family: var(--mono); font-size: 10px; color: var(--muted); margin-top: 2px; }
.donut-flex { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.donut-flex svg { flex: 0 0 auto; }
.donut-flex .tbl-wrap { flex: 1; min-width: 260px; }
.legend-dot { display: inline-block; width: 10px; height: 10px; margin-right: 7px; vertical-align: baseline; }
.trend-bars { width: 100%; height: auto; }
.bar-lbl { font-family: var(--mono); font-size: 9px; fill: var(--muted); }
.empty { font-family: var(--mono); font-size: 12px; color: var(--muted); padding: 18px; text-align: center;
  border: 1px dashed var(--border); background: var(--card); }

/* ---------- import ---------- */
.drop {
  border: 2px dashed var(--border); background: var(--card); padding: 30px 16px; text-align: center;
  font-family: var(--mono); font-size: 12px; color: var(--muted); cursor: pointer;
}
.drop.on { border-color: var(--green); background: var(--green-bg); }
.ok-note { color: var(--green); background: var(--green-bg); border: 1px solid var(--green);
  padding: 8px 10px; font-family: var(--mono); font-size: 12px; margin: 12px 0; }

.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-bottom: 12px; }
.toolbar select, .toolbar input { padding: 8px 10px; border: 1px solid var(--border); background: var(--card); }

/* ---------- mobile ---------- */
@media (max-width: 640px) {
  #main { padding: 14px 10px 70px; }
  #tallybar { padding: 0 10px; min-height: 48px; }
  #tallybar .brand { font-size: 13px; padding-right: 10px; }
  .tally { gap: 12px; }
  .tally .val { font-size: 13px; }
  #nav { top: 48px; }
  #nav a { padding: 11px 12px; font-size: 11px; }
  .month-nav h1 { font-size: 19px; }
  .bill-row { padding: 11px 10px; gap: 10px; }
  .b-amt { font-size: 15px; }
  .frm { grid-template-columns: 1fr; }
  .chk { width: 34px; height: 34px; min-width: 34px; }
  .hide-sm { display: none; }
}