:root {
  color-scheme: light;
  --bg: #f7f1e7;
  --page: #f2ead9;
  --card-bg: #fffaf2;
  --text: #2e2419;
  --text-secondary: #6b5c4a;
  --muted: #97876f;
  --border: #e8dcc6;
  --border-strong: #ddccae;

  --accent: #b1552c;
  --accent-ink: #ffffff;

  /* Categorical identity colors, kept consistent per person everywhere
     (income share bar, meters, legends) rather than reused for anything
     else — validated adjacent pair from the dataviz palette (slot 2 + 1). */
  --tu: #eb6834;
  --tu-track: #f6d9c6;
  --neysa: #2a78d6;
  --neysa-track: #cfe0f5;

  --warn-bg: #fbf0da;
  --warn-border: #dba238;
  --warn-ink: #6b4a12;

  --ok: #0c7a2e;
  --bad: #9c4823;

  --shadow: 0 1px 2px rgba(46, 36, 25, 0.05), 0 6px 20px rgba(46, 36, 25, 0.06);
}

@media (prefers-color-scheme: dark) {
  :root:where(:not([data-theme="light"])) {
    color-scheme: dark;
    --bg: #1d1712;
    --page: #17120e;
    --card-bg: #261e17;
    --text: #f3e9db;
    --text-secondary: #cbb99f;
    --muted: #937e63;
    --border: #3a2f23;
    --border-strong: #4a3c2c;

    --accent: #e08a56;
    --accent-ink: #201408;

    --tu: #d97b3f;
    --tu-track: #4a3423;
    --neysa: #5b9bdd;
    --neysa-track: #24374a;

    --warn-bg: #2e2410;
    --warn-border: #8a6320;
    --warn-ink: #f0cf8e;

    --ok: #4fbf72;
    --bad: #d98a5f;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.3);
  }
}
:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #1d1712;
  --page: #17120e;
  --card-bg: #261e17;
  --text: #f3e9db;
  --text-secondary: #cbb99f;
  --muted: #937e63;
  --border: #3a2f23;
  --border-strong: #4a3c2c;

  --accent: #e08a56;
  --accent-ink: #201408;

  --tu: #d97b3f;
  --tu-track: #4a3423;
  --neysa: #5b9bdd;
  --neysa-track: #24374a;

  --warn-bg: #2e2410;
  --warn-border: #8a6320;
  --warn-ink: #f0cf8e;

  --ok: #4fbf72;
  --bad: #d98a5f;

  --shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 8px 24px rgba(0, 0, 0, 0.3);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Nunito", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--page);
  color: var(--text);
  padding: 20px 14px 48px;
  line-height: 1.45;
}

#app { max-width: 960px; margin: 0 auto; display: flex; flex-direction: column; gap: 18px; }

.layout { display: flex; gap: 20px; align-items: flex-start; }

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 0 0 190px;
  position: sticky;
  top: 16px;
}
.nav-item {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-weight: 700;
  padding: 10px 12px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}
.nav-item:hover { background: var(--card-bg); border-color: var(--border); }
.nav-item.active { background: var(--card-bg); border-color: var(--border-strong); color: var(--text); box-shadow: var(--shadow); }

.nav-badge {
  background: var(--warn-border);
  color: #201408;
  font-size: 0.72rem;
  font-weight: 800;
  padding: 1px 7px;
  border-radius: 999px;
}

.main-content { flex: 1 1 auto; min-width: 0; display: flex; flex-direction: column; gap: 18px; }
.view { display: flex; flex-direction: column; gap: 18px; }
.view[hidden] { display: none; }

@media (max-width: 720px) {
  .layout { flex-direction: column; }
  .sidebar {
    flex-direction: row;
    flex-wrap: nowrap;
    align-items: flex-start;
    overflow-x: auto;
    position: static;
    width: 100%;
    gap: 6px;
    padding-bottom: 4px;
  }
  /* Without align-items above, a row flex container stretches every
     item to match its tallest sibling by default — if one label wraps
     to two lines (e.g. the badge on "Necesita revisión"), every other
     button silently grows to match its height, so the visible label
     stops lining up with its own clickable box. */
  .nav-item { flex: 0 0 auto; white-space: nowrap; }
}

/* ---------- header ---------- */
.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  justify-content: space-between;
}

.month-nav { display: flex; align-items: center; gap: 10px; }
.month-nav h1 { font-size: 1.25rem; font-weight: 800; margin: 0; min-width: 150px; text-align: center; letter-spacing: -0.01em; }
.nav-arrow {
  text-decoration: none;
  color: var(--text-secondary);
  font-size: 1.2rem;
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  transition: border-color .15s ease, color .15s ease;
}
.nav-arrow:hover { border-color: var(--accent); color: var(--accent); }

select, input, button {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text);
}
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

button {
  cursor: pointer;
  font-weight: 700;
  border-color: var(--border-strong);
  transition: transform .1s ease, box-shadow .15s ease;
}
button:hover { box-shadow: var(--shadow); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .6; cursor: default; }

.import-controls { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
#import-btn { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
#import-status, .income-status { font-size: 0.82rem; color: var(--text-secondary); }

/* ---------- cards ---------- */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: var(--shadow);
}
.card h2 { margin: 0 0 12px; font-size: 1rem; font-weight: 800; color: var(--text); }

.card-heading-row { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; }
.card-heading-row h2 { margin: 0; }
.card-heading-total { font-size: 0.95rem; font-weight: 800; color: var(--text-secondary); margin-bottom: 12px; }
.hint { color: var(--text-secondary); font-size: 0.85rem; margin: -6px 0 12px; }

/* ---------- income ---------- */
.income-row { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.income-row:last-child { margin-bottom: 0; }
.income-row label { display: flex; align-items: center; gap: 8px; font-size: 0.92rem; font-weight: 600; }
.income-row input { width: 130px; }

/* ---------- hero balance ---------- */
.hero-card { text-align: center; padding: 22px 20px; }
.hero-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 700; }
.hero-value { font-size: clamp(1.6rem, 6vw, 2.4rem); font-weight: 800; margin: 6px 0 2px; letter-spacing: -0.01em; }
.hero-value.settled { color: var(--ok); }
.hero-value.missing { color: var(--bad); font-size: clamp(1.2rem, 5vw, 1.7rem); }
.hero-sub { font-size: 0.9rem; color: var(--text-secondary); }

/* ---------- stat grid ---------- */
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; margin-top: 4px; }
.summary-item { background: var(--bg); border-radius: 12px; padding: 12px 14px; }
.summary-item .label { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 700; }
.summary-item .value { font-size: 1.2rem; font-weight: 800; margin-top: 4px; }

/* ---------- charts: income-share bar ---------- */
.chart-block { margin-top: 18px; }
.chart-title { font-size: 0.82rem; font-weight: 700; color: var(--text-secondary); margin-bottom: 8px; }

.share-bar { display: flex; height: 26px; border-radius: 13px; overflow: hidden; background: var(--border); gap: 2px; }
.share-seg { display: flex; align-items: center; justify-content: center; font-size: 0.78rem; font-weight: 800; color: #fff; min-width: 34px; }
.share-seg.tu { background: var(--tu); }
.share-seg.neysa { background: var(--neysa); }

.chart-legend { display: flex; gap: 16px; margin-top: 8px; flex-wrap: wrap; }
.legend-item { display: flex; align-items: center; gap: 6px; font-size: 0.82rem; color: var(--text-secondary); font-weight: 600; }
.legend-dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.legend-dot.tu { background: var(--tu); }
.legend-dot.neysa { background: var(--neysa); }

/* ---------- meters (aportado vs corresponde) ---------- */
.meter-row { margin-bottom: 14px; }
.meter-row:last-child { margin-bottom: 0; }
.meter-labels { display: flex; justify-content: space-between; font-size: 0.85rem; margin-bottom: 5px; }
.meter-labels .who { font-weight: 700; }
.meter-labels .amounts { color: var(--text-secondary); }
.meter-track { height: 14px; border-radius: 7px; overflow: hidden; }
.meter-track.tu { background: var(--tu-track); }
.meter-track.neysa { background: var(--neysa-track); }
.meter-fill { height: 100%; border-radius: 7px; transition: width .3s ease; }
.meter-fill.tu { background: var(--tu); }
.meter-fill.neysa { background: var(--neysa); }
.meter-overflow { font-size: 0.78rem; color: var(--ok); font-weight: 700; margin-top: 3px; }

/* ---------- table ---------- */
table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
th, td { text-align: left; padding: 8px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--text-secondary); font-weight: 700; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; }
td input, td select { width: 100%; font-size: 0.85rem; padding: 6px 8px; }

.needs-review { background: var(--warn-bg); }
.needs-review td:first-child { border-left: 3px solid var(--warn-border); }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) {
  .two-col { grid-template-columns: 1fr; }
  .month-nav h1 { min-width: auto; }
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  #expenses-table tbody tr { border: 1px solid var(--border); border-radius: 12px; margin-bottom: 10px; padding: 8px 10px; }
  #expenses-table td { border-bottom: none; padding: 6px 2px; }
  #expenses-table td::before { content: attr(data-label); display: block; font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--muted); font-weight: 700; margin-bottom: 2px; }
}

ul { margin: 0; padding-left: 18px; }
li { margin-bottom: 5px; font-size: 0.9rem; }

.pending-item, .review-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}
.pending-item:last-child, .review-item:last-child { border-bottom: none; }

.bulk-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 10px;
  margin-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.bulk-select-all { display: flex; align-items: center; gap: 6px; font-size: 0.9rem; font-weight: 600; }
.missing { color: var(--bad); font-weight: 700; }
.ok { color: var(--ok); font-weight: 700; }

#pending-card, #review-card { border-color: var(--warn-border); }

.delete-btn {
  background: transparent;
  border-color: var(--border);
  color: var(--bad);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 10px;
}
.delete-btn:hover { border-color: var(--bad); }

.split-form[hidden] { display: none; }
.split-form {
  flex-basis: 100%;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  margin-top: 4px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-alt, rgba(0, 0, 0, 0.03));
}
.split-form p.hint { flex-basis: 100%; margin: 0 0 2px; }
.split-form input[type="number"] { width: 110px; }

.unclassify-btn {
  background: transparent;
  border-color: var(--border);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.75rem;
  padding: 4px 8px;
  margin-left: 6px;
}
.unclassify-btn:hover { border-color: var(--accent); color: var(--accent); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.filter-bar input[type="text"] { flex: 1 1 180px; min-width: 140px; }
.filter-bar label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-secondary); }
.filter-bar input[type="date"] { width: 145px; }

.goal-form { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.goal-form input[type="text"] { flex: 1 1 220px; }
.goal-form input[type="number"] { width: 160px; }
.goal-form label { display: flex; align-items: center; gap: 6px; font-size: 0.85rem; color: var(--text-secondary); }
#goal-create-btn { background: var(--accent); color: var(--accent-ink); border-color: transparent; }

.goal-card {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
  margin-bottom: 14px;
}
.goal-card:last-child { margin-bottom: 0; }
.goal-card-header { display: flex; justify-content: space-between; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.goal-card-header h3 { margin: 0; font-size: 1.05rem; }
.goal-progress-track { height: 12px; border-radius: 6px; background: var(--bg); margin: 10px 0 6px; overflow: hidden; }
.goal-progress-fill { height: 100%; border-radius: 6px; background: var(--accent); }
.goal-meta { font-size: 0.85rem; color: var(--text-secondary); margin: 4px 0; }
.goal-contrib-row { display: flex; align-items: center; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.goal-contrib-row input { width: 110px; }
.goal-actions { margin-top: 10px; display: flex; gap: 8px; }

.expense-list { list-style: none; padding: 0; }
.expense-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  padding: 6px 0;
  border-bottom: 1px solid var(--border);
}
.expense-list li:last-child { border-bottom: none; }

.report-dispute-btn {
  background: transparent;
  border: 1px solid var(--border-strong);
  color: var(--text-secondary);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 0.8rem;
  cursor: pointer;
}
.report-dispute-btn:hover { border-color: var(--bad); color: var(--bad); }
.report-dispute-btn:disabled { opacity: 0.6; cursor: default; }

#notifications-banner:empty { display: none; }
.notification-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--bad);
  border-radius: 10px;
  padding: 10px 16px;
  margin: 0 0 12px;
  font-size: 0.9rem;
}
.notification-dismiss {
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 4px 10px;
  font-size: 0.8rem;
  cursor: pointer;
  white-space: nowrap;
}