:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e3e6ea;
  --text: #16191d;
  --muted: #6b7280;
  --accent: #2563eb;
  --pos: #15803d;
  --neg: #b91c1c;
  --warn: #b45309;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a20;
    --border: #272c35;
    --text: #e7e9ec;
    --muted: #9aa1ac;
    --accent: #60a5fa;
    --pos: #4ade80;
    --neg: #f87171;
    --warn: #fbbf24;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 24px 18px 64px; }
header.top {
  display: flex; align-items: baseline; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; margin-bottom: 22px;
}
header.top h1 { font-size: 20px; margin: 0; letter-spacing: -0.01em; }
.sub { color: var(--muted); font-size: 13px; }

.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-bottom: 18px;
}
.card h2 { font-size: 14px; margin: 0 0 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }

.hero { text-align: center; padding: 34px 18px; }
.hero .label { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: .08em; }
.hero .amount { font-size: clamp(38px, 9vw, 60px); font-weight: 650; letter-spacing: -0.03em; margin: 6px 0 4px; }
.hero .amount.pos { color: var(--pos); }
.hero .amount.neg { color: var(--neg); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.stat { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; }
.stat .k { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.stat .v { font-size: 21px; font-weight: 600; margin-top: 4px; letter-spacing: -0.02em; }

.table-scroll { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tbody tr:last-child td { border-bottom: 0; }
td.r, th.r { text-align: right; font-variant-numeric: tabular-nums; }
tr.zero td { color: var(--muted); }

.bar { height: 6px; background: var(--accent); border-radius: 3px; min-width: 2px; opacity: .75; }

form.inline { display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end; }
label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
input, select, button, textarea {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
button {
  background: var(--accent); color: #fff; border-color: transparent;
  cursor: pointer; font-weight: 550; padding: 9px 16px;
}
button:hover { filter: brightness(1.08); }
button.ghost { background: transparent; color: var(--muted); border-color: var(--border); font-weight: 400; padding: 5px 10px; }
.field { flex: 1 1 130px; min-width: 120px; }

.pill { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; border: 1px solid var(--border); color: var(--muted); }
.pill.ok { color: var(--pos); border-color: currentColor; }
.pill.err { color: var(--neg); border-color: currentColor; }
.pos { color: var(--pos); } .neg { color: var(--neg); } .muted { color: var(--muted); }
code { background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 2px 6px; font-size: 13px; word-break: break-all; }
.note { color: var(--muted); font-size: 13px; margin-top: 10px; }
.login { max-width: 340px; margin: 14vh auto; }

/* --- Estado de cuenta mensual --- */
.st-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.st-head .sub { margin-top: 2px; }
.st-head h2 { text-transform: none; letter-spacing: -0.01em; font-size: 17px; color: var(--text); }
.st-nav { display: flex; gap: 6px; }
.st-nav a.pill:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
h3.st-section { font-size: 12px; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 22px 0 6px; }
table.st td { white-space: normal; }
table.st .st-date { color: var(--muted); font-variant-numeric: tabular-nums; width: 96px; }
table.st .st-note { font-size: 12px; }
tr.st-open td, tr.st-total td { font-weight: 600; }
tr.st-total td { border-top: 1px solid var(--border); border-bottom: 0; }
tr.st-close td { font-size: 19px; font-weight: 650; border-bottom: 0; padding-top: 4px; letter-spacing: -0.02em; }
details.week { border: 1px solid var(--border); border-radius: 8px; margin-bottom: 8px; background: var(--bg); }
details.week summary {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 10px 13px; cursor: pointer; font-weight: 550; list-style: none;
}
details.week summary::-webkit-details-marker { display: none; }
details.week summary::before { content: "▸"; color: var(--muted); margin-right: 8px; font-size: 12px; }
details.week[open] summary::before { content: "▾"; }
details.week summary .wk-label { flex: 1; }
details.week summary .wk-amount { font-variant-numeric: tabular-nums; }
details.week[open] summary { border-bottom: 1px solid var(--border); }
details.week .table-scroll { padding: 4px 13px 10px; }
tr.today td { background: color-mix(in srgb, var(--accent) 8%, transparent); }

/* --- Desglose por conexión --- */
.conn-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-bottom: 14px; }
.conn-chip { background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 11px 13px; }
.conn-chip .k { color: var(--muted); font-size: 12px; }
.conn-chip .v { font-size: 19px; font-weight: 600; letter-spacing: -0.02em; margin: 2px 0; font-variant-numeric: tabular-nums; }
.conn-chip.total { border-color: var(--accent); }
.conn-chip.total .v { color: var(--accent); }
details.week summary .wk-split {
  display: flex; gap: 14px; flex-wrap: wrap; font-size: 12px; font-weight: 400;
  color: var(--muted); font-variant-numeric: tabular-nums;
}
details.week summary .wk-split b { font-weight: 600; color: var(--text); }
details.week summary .wk-label { flex: 0 0 auto; }
details.week summary .wk-amount { margin-left: auto; }
table.days .sub-min { font-size: 11px; line-height: 1.3; }
table.days tfoot td { border-top: 1px solid var(--border); border-bottom: 0; }
@media (max-width: 720px) {
  details.week summary .wk-split { display: none; }
}