:root {
  --bg: #121216;
  --card: #1b1b21;
  --card2: #232329;
  --line: #2a2a31;
  --text: #ececf1;
  --muted: #8a8a93;
  --faint: #6b6b73;
  --pink: #e06a93;
  --green: #55c99a;
  --amber: #efa13b;
  --red: #e0524f;
  --blue: #6fa8e8;
}
* { box-sizing: border-box; margin: 0; }
/* el atributo hidden debe ganar sobre cualquier display de clase (.overlay, .chips…) */
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100dvh;
}
main {
  max-width: 480px;
  margin: 0 auto;
  padding: 16px 16px calc(76px + env(safe-area-inset-bottom));
}
h1 { font-size: 20px; font-weight: 600; margin-bottom: 4px; }
a { color: var(--blue); text-decoration: none; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.empty { color: var(--faint); padding: 24px 0; text-align: center; }
em { color: var(--faint); font-style: italic; }

/* ---- top ---- */
.top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; gap: 8px; }
.top .center { flex: 1; text-align: center; font-size: 16px; }
.minipig { width: 22px; height: 22px; }
.navarrow { font-size: 26px; padding: 0 10px; color: var(--blue); }
.navarrow.off { color: var(--line); }

/* ---- hero ---- */
.hero { text-align: center; padding: 8px 0 4px; }
.hero .label { font-size: 13px; color: var(--muted); }
.hero .big { font-size: 44px; font-weight: 650; letter-spacing: -0.5px; font-variant-numeric: tabular-nums; }
.hero.ok .big { color: var(--green); }
.hero.warn .big { color: var(--amber); }
.hero.over .big { color: var(--red); }
.hero .sub { font-size: 12px; color: var(--faint); }
.bar { height: 6px; background: var(--card2); border-radius: 3px; margin: 12px 4px 8px; overflow: hidden; }
.bar .fill { height: 100%; width: 0; border-radius: 3px; background: var(--green); transition: width .4s ease; }
.hero.warn .fill { background: var(--amber); }
.hero.over .fill { background: var(--red); }
.daily { font-size: 14px; color: var(--muted); }
.daily strong { color: var(--text); }
.daily.alert { color: var(--red); }
.banner { margin-top: 10px; padding: 8px 12px; border-radius: 10px; font-size: 13px; }
.banner.warn { background: #2c2416; color: var(--amber); }
.banner.over { background: #2c1717; color: var(--red); }

/* ---- split de gasto ---- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0 10px; }
.pad {
  background: var(--card); border: 1px solid var(--line); border-radius: 16px;
  padding: 14px 10px 16px; text-align: center; color: var(--text);
  display: flex; flex-direction: column; align-items: center; gap: 4px;
  cursor: pointer; -webkit-tap-highlight-color: transparent;
}
.pad:active { background: var(--card2); }
.pad .k { font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.pad .v { font-size: 19px; font-weight: 600; font-variant-numeric: tabular-nums; }
.pad .v.neg { color: var(--red); }
.pad .hint { font-size: 11px; color: var(--faint); }
.plus {
  width: 54px; height: 54px; border-radius: 50%; margin-top: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; background: var(--card2);
}
.plus.blue { color: var(--blue); border: 1.5px solid var(--blue); }
.plus.green { color: var(--green); border: 1.5px solid var(--green); }

/* ---- filas ---- */
.row {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 12px 14px; margin: 10px 0;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  flex-wrap: wrap; color: var(--text);
}
.row.link { color: var(--text); }
.row .chev { color: var(--faint); font-size: 20px; }
.row.tpl > div:first-child { flex: 1; min-width: 140px; }
.paid { color: var(--green); font-size: 14px; }
details { width: 100%; }
details summary { color: var(--faint); font-size: 13px; cursor: pointer; padding: 4px 0; }
.edit { display: flex; gap: 8px; flex-wrap: wrap; margin: 8px 0; }
.edit input[type="text"], .edit input[type="date"] { flex: 1; min-width: 120px; }
.edit.stack { flex-direction: column; }
.edit.stack label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }

/* ---- inputs y botones ---- */
input[type="text"], input[type="password"], input[type="date"] {
  background: var(--card2); border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); font-size: 16px; padding: 10px 12px; width: 100%;
}
input:focus { outline: 2px solid var(--pink); outline-offset: 1px; border-color: transparent; }
.btn {
  background: var(--card2); border: 1px solid var(--line); border-radius: 10px;
  color: var(--text); font-size: 15px; padding: 10px 16px; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: scale(.98); }
.btn.primary { background: var(--pink); border-color: var(--pink); color: #23070f; font-weight: 600; }
.btn.ghost { background: transparent; border-color: var(--blue); color: var(--blue); }
.btn.danger { background: transparent; border-color: var(--red); color: var(--red); }
.inline { display: inline; }
.toggle { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.toggle.wide { color: var(--text); font-size: 15px; }
.logout { margin-top: 28px; text-align: center; }

/* ---- resumen del mes ---- */
.summary {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  padding: 6px 14px; margin-bottom: 14px;
}
.summary .cell { display: flex; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.summary .cell:last-child { border-bottom: 0; }
.summary .k { color: var(--muted); }
.summary .v { font-variant-numeric: tabular-nums; }
.summary .hi .k, .summary .hi .v { color: var(--green); font-weight: 600; }

/* ---- lista de transacciones ---- */
.txlist { list-style: none; padding: 0; }
.txlist li a {
  display: grid; grid-template-columns: 52px 1fr auto; gap: 10px; align-items: center;
  padding: 11px 6px; border-bottom: 1px solid var(--line); color: var(--text);
}
.txlist .date { color: var(--faint); font-size: 13px; }
.txlist .what { display: flex; flex-direction: column; }
.txlist .amount { font-variant-numeric: tabular-nums; }
.txlist .amount.pos { color: var(--green); }

/* ---- teclado ---- */
.overlay {
  position: fixed; inset: 0; background: var(--bg); z-index: 20;
  display: flex; justify-content: center;
}
.overlay form {
  width: 100%; max-width: 480px; padding: 14px 18px calc(14px + env(safe-area-inset-bottom));
  display: flex; flex-direction: column; gap: 10px;
}
.kp-head { display: flex; align-items: center; justify-content: space-between; }
.kp-head .x { background: none; border: 0; color: var(--muted); font-size: 30px; line-height: 1; padding: 4px 10px; cursor: pointer; }
#kp-title { font-size: 15px; color: var(--muted); }
.kp-display {
  text-align: center; font-size: 52px; font-weight: 650; min-height: 66px;
  font-variant-numeric: tabular-nums; letter-spacing: -1px;
}
.chips { display: flex; gap: 8px; overflow-x: auto; padding-bottom: 2px; }
.chip {
  background: var(--card2); border: 1px solid var(--line); border-radius: 999px;
  color: var(--muted); font-size: 14px; padding: 7px 14px; white-space: nowrap; cursor: pointer;
}
.chip.on { border-color: var(--pink); color: var(--pink); }
.keys { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; flex: 1; align-content: end; }
.keys button {
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  color: var(--text); font-size: 26px; padding: 16px 0; cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.keys button:active { background: var(--card2); }
.save { padding: 15px; font-size: 17px; border-radius: 14px; }
.save:disabled { opacity: .4; }

/* ---- reportes ---- */
.sec { font-size: 15px; font-weight: 600; margin: 22px 0 2px; }
.subsec { margin-bottom: 10px; }
.breakdown { list-style: none; padding: 0; margin: 6px 0 4px; }
.breakdown li { padding: 8px 0; border-bottom: 1px solid var(--line); }
.breakdown li:last-child { border-bottom: 0; }
.blabel { display: flex; justify-content: space-between; gap: 10px; align-items: baseline; margin-bottom: 6px; }
.blabel .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.blabel .v { font-variant-numeric: tabular-nums; flex-shrink: 0; }
.repbar { height: 6px; background: var(--card2); border-radius: 3px; overflow: hidden; }
.repbar .rfill { height: 100%; width: 0; border-radius: 3px; background: var(--pink); transition: width .4s ease; }

.histlist { list-style: none; padding: 0; }
.histlist li a {
  display: flex; justify-content: space-between; align-items: center; gap: 10px;
  padding: 12px 6px; border-bottom: 1px solid var(--line); color: var(--text);
}
.histlist li a.on { background: var(--card); border-radius: 10px; padding-left: 12px; padding-right: 12px; border-bottom-color: transparent; }
.histlist .hmonth { text-transform: capitalize; }
.histlist .hnums { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; font-size: 14px; }
.histlist .hnums .v { font-variant-numeric: tabular-nums; }
.histlist .hsaved { font-size: 12px; color: var(--green); font-variant-numeric: tabular-nums; }
.histlist .hsaved.neg { color: var(--red); }

/* ---- nav ---- */
.tabs {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 10;
  display: flex; justify-content: space-around;
  background: rgba(18,18,22,.96); border-top: 1px solid var(--line);
  padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  backdrop-filter: blur(8px);
}
.tabs a {
  color: var(--faint); font-size: 11px; text-align: center;
  display: flex; flex-direction: column; gap: 2px; min-width: 56px; padding: 2px 0;
}
.tabs a .ico { font-size: 17px; }
.tabs a.on { color: var(--pink); }

/* ---- login ---- */
.login { display: flex; flex-direction: column; align-items: center; gap: 14px; padding-top: 18vh; }
.login .pig { width: 96px; height: 96px; }
.login h1 { font-size: 24px; letter-spacing: .12em; font-weight: 500; }
.login form { display: flex; flex-direction: column; gap: 10px; width: min(300px, 80vw); }
.err { color: var(--red); font-size: 14px; }

/* ---- sobre ---- */
.envelope > div:first-child { flex: 1; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}