:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --card2: #eef0f3;
  --text: #16191f;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #2f6fed;
  --accent-soft: #e3ecfd;
  --good: #16a34a;
  --bad: #dc2626;
  --warn: #d97706;
  --personal: #7c3aed;
  --personal-soft: #efe7fd;
  --negocio: #0f8a7e;
  --negocio-soft: #dcf3f0;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #101418;
    --card: #1a1f26;
    --card2: #232a33;
    --text: #e8eaee;
    --muted: #97a0ad;
    --border: #2b323c;
    --accent: #5b8cff;
    --accent-soft: #1f2b45;
    --good: #3fcf7a;
    --bad: #ff6b6b;
    --warn: #f5a524;
    --personal: #b394ff;
    --personal-soft: #2c2345;
    --negocio: #3dd0c0;
    --negocio-soft: #173532;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  background: var(--bg);
  color: var(--text);
  padding-bottom: calc(76px + env(safe-area-inset-bottom));
}
a { color: var(--accent); text-decoration: none; }
h2 { font-size: 1.05rem; margin: 22px 2px 10px; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.center { text-align: center; }
.bad { color: var(--bad); }
.good { color: var(--good); }
.between { display: flex; justify-content: space-between; align-items: center; gap: 10px; }

.top {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 16px; padding-top: calc(12px + env(safe-area-inset-top));
  background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.top .brand { font-weight: 700; color: var(--text); font-size: 1.1rem; }
.wrap { max-width: 640px; margin: 0 auto; padding: 14px 16px; }

.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px;
  padding: 14px; margin-bottom: 12px; box-shadow: var(--shadow);
}
.card.empty, .empty { color: var(--muted); text-align: center; }

/* ---- Navegación inferior ---- */
.bottom {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
  display: flex; background: var(--card); border-top: 1px solid var(--border);
  padding-bottom: env(safe-area-inset-bottom);
}
.bottom a {
  flex: 1; display: flex; flex-direction: column; align-items: center; gap: 2px;
  padding: 8px 0 9px; font-size: .7rem; color: var(--muted);
}
.bottom a span { font-size: 1.3rem; line-height: 1; filter: grayscale(1); opacity: .7; }
.bottom a.on { color: var(--accent); font-weight: 600; }
.bottom a.on span { filter: none; opacity: 1; }
.fab {
  position: fixed; right: 18px; bottom: calc(84px + env(safe-area-inset-bottom)); z-index: 25;
  width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: #fff;
  font-size: 2rem; line-height: 54px; text-align: center; box-shadow: 0 4px 14px rgba(0, 0, 0, .25);
}

/* ---- Controles ---- */
input, select, textarea, button { font: inherit; color: inherit; }
input:not([type=radio]):not([type=checkbox]), select, textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 10px;
  background: var(--card2); min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
textarea { resize: vertical; }
.btn {
  display: inline-block; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--card2); color: var(--text); cursor: pointer; font-weight: 600;
}
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { background: transparent; border-color: var(--bad); color: var(--bad); }
.btn.big { width: 100%; padding: 14px; font-size: 1.05rem; }
.btn.wide { width: 100%; }
.small-btn { padding: 8px 10px; }
.field-label { display: block; font-size: .78rem; color: var(--muted); margin: 10px 2px 6px; font-weight: 600; }
.stack { display: block; min-width: 0; }
.stack .field-label { margin-top: 0; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 10px 0; }
.row-search { display: flex; gap: 8px; }
.check { display: inline-flex; align-items: center; gap: 6px; }
.check input { width: 20px; height: 20px; accent-color: var(--accent); }
.inline { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.stack-form > * + * { margin-top: 10px; }
.stack-form .row2 { margin: 10px 0 0; }

/* Formulario de gasto */
.expense-form > * + * { margin-top: 10px; }
.expense-form .row2 { margin-top: 12px; }
.amount-field {
  display: flex; align-items: center; gap: 4px; border-bottom: 2px solid var(--border);
  padding-bottom: 4px;
}
.amount-field:focus-within { border-color: var(--accent); }
.amount-field span { font-size: 2rem; color: var(--muted); font-weight: 600; }
.amount-field input {
  border: 0 !important; background: transparent !important; outline: none !important;
  font-size: 2.2rem !important; font-weight: 700; padding: 4px 0 !important;
}
.file-btn {
  display: flex; align-items: center; justify-content: center; gap: 6px; padding: 11px 8px;
  border: 1px dashed var(--border); border-radius: 10px; background: var(--card2); cursor: pointer;
  white-space: nowrap; overflow: hidden;
}
.file-btn span { overflow: hidden; text-overflow: ellipsis; }
.file-btn.has-file { border-style: solid; border-color: var(--good); color: var(--good); }
.ticket-preview { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.ticket-preview img { max-height: 120px; border-radius: 8px; border: 1px solid var(--border); }

/* Selector segmentado y chips */
.seg { display: flex; background: var(--card2); border-radius: 12px; padding: 3px; gap: 3px; }
.seg > a, .seg > label { flex: 1; text-align: center; }
.seg > a, .seg label span {
  display: block; padding: 9px 4px; border-radius: 9px; color: var(--muted); font-weight: 600;
  font-size: .92rem; cursor: pointer;
}
.seg input { position: absolute; opacity: 0; pointer-events: none; }
.seg > a.on, .seg input:checked + span { background: var(--card); color: var(--text); box-shadow: var(--shadow); }
.seg input:focus-visible + span { outline: 2px solid var(--accent); }
.small-seg { margin-bottom: 10px; }
.small-seg > a { padding: 7px 2px; font-size: .85rem; }

.chips { display: flex; gap: 6px; }
.chips.wraps { flex-wrap: wrap; }
.chip input { position: absolute; opacity: 0; pointer-events: none; }
.chip span {
  display: inline-block; padding: 7px 11px; border-radius: 999px; border: 1px solid var(--border);
  background: var(--card2); font-size: .88rem; cursor: pointer; white-space: nowrap;
}
.chip input:checked + span { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.chip input:focus-visible + span { outline: 2px solid var(--accent); }

/* Tarjetas de totales */
.stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.stat {
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 12px;
  color: var(--text); box-shadow: var(--shadow); min-width: 0;
}
.stat small { display: block; color: var(--muted); font-size: .78rem; margin-bottom: 4px; }
.stat b { font-size: 1.25rem; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.budget-card { display: block; color: var(--text); }

.meter { position: relative; height: 10px; background: var(--card2); border-radius: 99px; margin: 8px 0; }
.meter.thin { height: 6px; margin: 4px 0 12px; }
.meter i { display: block; height: 100%; border-radius: 99px; background: var(--good); min-width: 2px; }
.meter.plain i { background: var(--accent); }
.meter i.warn { background: var(--warn); }
.meter i.bad { background: var(--bad); }
.meter em { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--text); opacity: .55; }

.toast {
  background: var(--accent-soft); border-radius: 12px; padding: 10px 14px; margin: 10px 0;
  transition: opacity .4s;
}
.toast.bad-bg { background: color-mix(in srgb, var(--bad) 15%, transparent); color: var(--bad); }

/* Lista de gastos */
.list { list-style: none; padding: 0; }
.list li + li { border-top: 1px solid var(--border); }
.list li.empty { padding: 14px; }
.list a, .fixed summary { display: flex; align-items: center; gap: 12px; padding: 11px 14px; color: var(--text); }
.ico {
  width: 38px; height: 38px; flex: none; border-radius: 10px; background: var(--card2);
  display: grid; place-items: center; font-size: 1.2rem;
}
.grow { flex: 1; min-width: 0; }
.concept { display: block; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.meta { display: block; font-size: .78rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.right { display: flex; flex-direction: column; align-items: flex-end; gap: 3px; }
.right b { font-variant-numeric: tabular-nums; white-space: nowrap; }
.tag { font-size: .68rem; padding: 2px 7px; border-radius: 99px; font-weight: 600; white-space: nowrap; }
.tag.personal { background: var(--personal-soft); color: var(--personal); }
.tag.negocio { background: var(--negocio-soft); color: var(--negocio); }
.day-head { display: flex; justify-content: space-between; margin: 16px 4px 6px; font-size: .88rem; color: var(--muted); }
.day-head span::first-letter { text-transform: uppercase; }
.total-bar {
  display: flex; justify-content: space-between; align-items: center; padding: 12px 14px;
  background: var(--accent-soft); border-radius: 12px; margin: 10px 0;
}
.total-bar b { font-size: 1.2rem; }

.pager { display: flex; align-items: center; justify-content: space-between; margin: 6px 0 12px; }
.pager a {
  width: 42px; height: 42px; display: grid; place-items: center; border-radius: 50%;
  background: var(--card); border: 1px solid var(--border); font-size: 1.5rem; color: var(--text);
}
.pager b { text-align: center; }
.filters .row2 { margin-top: 0; }

/* Resumen */
.hero { text-align: center; }
.hero > * + * { margin-top: 4px; }
.hero small { color: var(--muted); }
.big-num { font-size: 2.3rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.scope-split { display: flex; justify-content: center; gap: 8px; flex-wrap: wrap; margin-top: 10px !important; }
.scope-split .tag { font-size: .8rem; padding: 4px 10px; }

.bars { display: flex; align-items: stretch; gap: 3px; height: 170px; }
.bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; min-width: 0; color: var(--muted); }
.bar i { display: block; width: 100%; max-width: 34px; background: var(--accent); border-radius: 4px 4px 0 0; min-height: 1px; }
.bar.future i { opacity: .3; }
.bar .val { font-size: .66rem; margin-bottom: 2px; white-space: nowrap; }
.bar .lbl { font-size: .68rem; margin-top: 4px; white-space: nowrap; }
.bars.dense { gap: 1px; }
.bars.dense .lbl { font-size: .55rem; }
.bars.dense .bar:nth-child(odd) .lbl { visibility: hidden; }
.cat-row { display: block; color: var(--text); }

/* Fijos */
.fixed { padding: 0; }
.fixed summary { list-style: none; cursor: pointer; }
.fixed summary::-webkit-details-marker { display: none; }
.fixed form { padding: 0 14px 14px; }
.fixed.off summary { opacity: .55; }
.inline input { width: 80px !important; }

/* Ajustes */
.cat-edit, .method-edit { display: grid; gap: 6px; align-items: center; margin-bottom: 8px; }
.cat-edit { grid-template-columns: 48px 1fr 84px 28px auto; }
.method-edit { grid-template-columns: 1fr 28px auto; }
.cat-edit.off input:not([type=checkbox]), .method-edit.off input:not([type=checkbox]) { opacity: .5; }
.cat-edit.new, .method-edit.new { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 4px; }
.emoji-in { text-align: center; padding-left: 4px !important; padding-right: 4px !important; }

/* Login */
.login-page { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login { width: 100%; max-width: 360px; text-align: center; }
.login > * + * { margin-top: 12px; }
.login h1 { margin: 0; }
.login-logo { font-size: 3rem; }

/* Resumen por semanas */
.mini-seg { padding: 2px; }
.mini-seg > a { padding: 5px 10px; font-size: .78rem; }
.bar .lbl.sub { margin-top: 0; font-size: .62rem; opacity: .8; }
.week-list { margin-top: 12px; border-top: 1px solid var(--border); }
.week-list a { padding: 9px 2px; color: var(--text); }
.week-list a + a { border-top: 1px solid var(--border); }
.week-list a.future { opacity: .5; }

/* Tarjetas de crédito */
.bottom a { font-size: .64rem; }
.warn-text { color: var(--warn); }
.credit-card { display: block; color: var(--text); }
.credit-card .name { font-weight: 700; font-size: 1.05rem; }
.credit-card .debt { font-size: 1.5rem; font-weight: 800; font-variant-numeric: tabular-nums; }
.kv { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; margin-top: 10px; }
.kv div { min-width: 0; }
.kv small { display: block; color: var(--muted); font-size: .72rem; }
.kv b { font-variant-numeric: tabular-nums; }
.pill { display: inline-block; font-size: .72rem; font-weight: 600; padding: 3px 9px; border-radius: 99px; background: var(--card2); }
.pill.bad { background: color-mix(in srgb, var(--bad) 15%, transparent); }
.pill.warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.pill.good { background: color-mix(in srgb, var(--good) 15%, transparent); }
.quick-amounts { display: flex; gap: 6px; flex-wrap: wrap; }
.quick-amounts button { font-size: .8rem; padding: 6px 10px; }
.mov.pago .concept { color: var(--good); }
.mov .right b.pago { color: var(--good); }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }