/*
 * Finanzas · "La Libreta Pastel" (DESIGN.md), tema Menta.
 * Campos pastel amplios, tinta azul profunda, reglas finas. Plano: la única
 * sombra es la de la hoja de edición.
 */

:root {
  color-scheme: light dark;

  --paper: #F8F7F4;
  --ink: #11173B;
  --ink-2: #58617E;
  --rule: #DDE1EA;
  --positive: #087D67;
  --debt: #BB424A;
  --accent: #137F73;
  --on-accent: #FFFFFF;
  --field: #B8F0DF;
  --field-2: #C7DFFF;
  --field-sun: #FFE7A3;
  --field-coral: #FFD1CF;
  --field-lilac: #DDD0FF;
  --wash: #EEF0F4;
  --sheet: #FFFFFF;
  /* Barras: validadas con dataviz/validate_palette.js contra --paper. */
  --bar: #219B8D;
  --bar-track: #E2F8F3;
  --bar-muted: #9297AA;

  --gutter: 20px;
  --radius-control: 12px;
  --font: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #120F18;
    --ink: #F4F1FF;
    --ink-2: #B8B5CB;
    --rule: #383348;
    --positive: #62D8BE;
    --debt: #FF8A91;
    --accent: #68D8C7;
    --on-accent: #0B2A25;
    --field: #174C47;
    --field-2: #1F385A;
    --field-sun: #574515;
    --field-coral: #5A292D;
    --field-lilac: #3C315C;
    --wash: #1E1A27;
    --sheet: #1A1622;
    --bar: #35A898;
    --bar-track: #0B2A25;
    --bar-muted: #5D5C68;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 17px/1.4 var(--font);
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

button, input, select { font: inherit; color: inherit; }

button { cursor: pointer; -webkit-tap-highlight-color: transparent; }

:focus-visible { outline: 3px solid color-mix(in srgb, var(--accent) 55%, transparent); outline-offset: 2px; }

h1, h2, h3, p { margin: 0; }

.note { color: var(--ink-2); font-size: 15px; }

.money { font-variant-numeric: tabular-nums; white-space: nowrap; }
.positive { color: var(--positive); }
.negative { color: var(--debt); }

/* ---------- Botones ---------- */

.primary, .secondary, .destructive {
  min-height: 48px;
  padding: 0 20px;
  border-radius: var(--radius-control);
  border: 0;
  font-weight: 600;
  transition: filter 160ms ease-out, transform 160ms ease-out, opacity 160ms ease-out;
}
.primary { background: var(--accent); color: var(--on-accent); }
.secondary { background: var(--field); color: var(--ink); }
.destructive { background: transparent; color: var(--debt); box-shadow: inset 0 0 0 1px var(--rule); }
.primary:active, .secondary:active, .destructive:active { transform: scale(.98); }
.primary:disabled { opacity: .45; cursor: default; transform: none; }
.wide { width: 100%; }

.text-button {
  min-height: 44px;
  padding: 0 4px;
  border: 0;
  background: none;
  color: var(--accent);
}
.text-button.strong { font-weight: 600; }

.round-button {
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  border: 0;
  background: var(--wash);
  color: var(--ink);
  font-size: 26px;
  line-height: 1;
}
.round-button:disabled { opacity: .3; cursor: default; }

/* ---------- Entrar ---------- */

.login {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}
.login-hero, .login-form {
  padding-inline: max(var(--gutter), calc((100% - 440px) / 2));
}
.login-hero {
  display: grid;
  gap: 8px;
  padding-top: calc(env(safe-area-inset-top) + 56px);
  padding-bottom: 28px;
  background: var(--field);
}
.login-hero h1 { font-size: 40px; font-weight: 700; letter-spacing: -.03em; }
.login-hero p:last-child { color: color-mix(in srgb, var(--ink) 78%, transparent); }
.login-mark {
  width: 72px;
  height: 72px;
  margin-bottom: 8px;
  display: grid;
  place-items: center;
  border-radius: 9999px;
  background: color-mix(in srgb, var(--paper) 70%, transparent);
  font-size: 38px;
}
.login-form {
  display: grid;
  gap: 16px;
  padding-top: 28px;
  padding-bottom: 28px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

/* ---------- Campos ---------- */

.field { display: grid; gap: 4px; color: var(--ink-2); font-size: 13px; }
.field input, .field select {
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--rule);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  padding: 12px 0;
  font-size: 17px;
  outline: none;
  transition: border-color 160ms ease-out;
}
.field select { appearance: none; background: transparent; }
.field input:focus, .field select:focus { border-bottom-color: var(--accent); }
.field-pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field-error { min-height: 1.2em; color: var(--debt); font-size: 14px; }
.field-error:empty { min-height: 0; }

/* ---------- Estructura ---------- */

.app {
  max-width: 720px;
  margin: 0 auto;
  padding: env(safe-area-inset-top) 0 calc(40px + env(safe-area-inset-bottom));
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px var(--gutter) 4px;
}
.topbar h1 { font-size: 28px; font-weight: 700; letter-spacing: -.02em; }

.monthbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px var(--gutter);
}
.monthbar h2 { flex: 1; text-align: center; font-size: 20px; font-weight: 600; }

.segmented {
  margin: 8px var(--gutter) 16px;
  padding: 3px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3px;
  border-radius: 10px;
  background: var(--wash);
}
.segmented button {
  min-height: 36px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.segmented button[aria-selected="true"] { background: var(--paper); box-shadow: 0 1px 3px rgb(0 0 0 / .12); font-weight: 600; }

.count-badge {
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 9999px;
  background: var(--field-sun);
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  line-height: 20px;
  font-variant-numeric: tabular-nums;
}

.panel { transition: opacity 160ms ease-out; }
.panel.loading { opacity: .55; }

/* ---------- Resumen ---------- */

.balance-field {
  padding: 26px var(--gutter) 22px;
  background: var(--field);
}
.eyebrow { font-size: 13px; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: color-mix(in srgb, var(--ink) 72%, transparent); }
.hero { margin-top: 4px; font-size: clamp(44px, 12vw, 60px); font-weight: 700; letter-spacing: -.03em; line-height: 1.05; }
.hero.negative { color: var(--debt); }
.context { margin-top: 6px; color: color-mix(in srgb, var(--ink) 78%, transparent); font-size: 15px; }

.figures {
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  border-top: 1px solid color-mix(in srgb, var(--ink) 14%, transparent);
}
.figures div { padding-top: 12px; }
.figures div + div { padding-left: 16px; border-left: 1px solid color-mix(in srgb, var(--ink) 14%, transparent); }
.figures dt { font-size: 13px; color: color-mix(in srgb, var(--ink) 72%, transparent); }
.figures dd { margin: 2px 0 0; font-size: 24px; font-weight: 600; letter-spacing: -.01em; }

.action-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 16px var(--gutter);
  background: var(--field-2);
}
.attention { font-size: 15px; }
.all-done { min-height: 48px; display: flex; align-items: center; font-weight: 600; }

.section { padding: 28px var(--gutter) 0; }
.section h3 { font-size: 20px; font-weight: 600; }
.section-note { margin-top: 2px; color: var(--ink-2); font-size: 14px; }

.bars { list-style: none; margin: 12px 0 0; padding: 0; }
.bars > li { border-bottom: 1px solid var(--rule); }
.bar-head {
  width: 100%;
  min-height: 56px;
  padding: 10px 0 12px;
  border: 0;
  background: none;
  display: grid;
  grid-template-columns: 32px 1fr auto;
  grid-template-rows: auto 8px;
  align-items: center;
  column-gap: 10px;
  row-gap: 8px;
  text-align: left;
}
.bar-head:disabled { cursor: default; }
.bar-emoji { grid-row: 1 / 3; font-size: 22px; text-align: center; }
.bar-name { font-size: 16px; }
.bar-name small { color: var(--ink-2); font-size: 13px; }
.bar-value { font-weight: 600; }
.bar-track {
  display: block;
  grid-column: 2 / 4;
  height: 8px;
  background: var(--bar-track);
}
.bar-fill {
  display: block;
  height: 100%;
  min-width: 2px;
  background: var(--bar);
  border-radius: 0 4px 4px 0;
  transition: filter 120ms ease-out;
}
.bar-fill.muted { background: var(--bar-muted); }
.bar-head:hover .bar-fill, .bar-head:focus-visible .bar-fill { filter: brightness(1.12); }

.subbars { list-style: none; margin: 0 0 12px 42px; padding: 0; }
.subbars li {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 8px;
  padding: 6px 0;
  font-size: 15px;
  color: var(--ink-2);
}
.subbars li + li { border-top: 1px solid var(--rule); }
.subbars .money { color: var(--ink); }

.empty { padding: 20px 0; color: var(--ink-2); }

.months { list-style: none; margin: 8px 0 0; padding: 0; }
.month-row { padding: 12px 0; border-bottom: 1px solid var(--rule); }
.month-line { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.month-name { font-size: 17px; }
.month-row.current .month-name, .month-row.average .month-name { font-weight: 600; }
.month-savings { font-size: 17px; font-weight: 600; }
.month-detail { margin-top: 2px; color: var(--ink-2); font-size: 14px; font-variant-numeric: tabular-nums; }
.month-row.average { border-bottom: 0; }

.invest-band {
  margin: 16px calc(-1 * var(--gutter)) 0;
  padding: 18px var(--gutter);
  background: var(--field-sun);
}
.invest-band strong { display: block; font-size: 26px; letter-spacing: -.01em; }
.invest-band p { font-size: 15px; }

/* ---------- Movimientos ---------- */

.chips {
  display: flex;
  gap: 8px;
  padding: 0 var(--gutter);
  overflow-x: auto;
  scrollbar-width: none;
}
.chip {
  flex: none;
  min-height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: 9999px;
  background: var(--wash);
  font-size: 15px;
}
.chip[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); font-weight: 600; }
.chip-count:not(:empty)::before { content: "· "; }
#view-note { padding: 8px var(--gutter) 0; }

.ledger { margin-top: 8px; }
.day-header {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 16px var(--gutter) 6px;
  background: var(--paper);
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}
.day-header span { float: right; color: var(--ink-2); font-weight: 500; font-variant-numeric: tabular-nums; }

.ledger-row {
  width: 100%;
  min-height: 64px;
  padding: 10px var(--gutter);
  border: 0;
  background: none;
  display: grid;
  grid-template-columns: 44px 1fr auto;
  align-items: center;
  gap: 12px;
  text-align: left;
  position: relative;
}
.ledger-row::after {
  content: "";
  position: absolute;
  left: calc(var(--gutter) + 56px);
  right: 0;
  bottom: 0;
  border-bottom: 1px solid var(--rule);
}
.ledger-row:active { background: var(--wash); }
.ledger-row.excluded .row-title, .ledger-row.excluded .row-amount { opacity: .6; }

.row-icon {
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  display: grid;
  place-items: center;
  background: var(--field);
  font-size: 22px;
}
.row-icon.pending { background: var(--field-sun); }
.row-icon.income { background: var(--field-2); }
.row-icon.neutral { background: var(--field-lilac); }

.row-copy { min-width: 0; display: grid; gap: 2px; }
.row-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row-title.empty-note { color: var(--ink-2); font-style: italic; }
.row-meta { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--ink-2); font-size: 13px; }
.row-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 2px; }
.tag {
  padding: 1px 7px;
  border-radius: 9999px;
  background: var(--wash);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
}
.tag.review { background: var(--field-sun); color: var(--ink); }
.tag.ai { background: var(--field-lilac); color: var(--ink); }

.row-amount { font-weight: 600; text-align: right; }

/* ---------- Hoja de edición ---------- */

.sheet {
  width: min(100%, 560px);
  max-width: 100%;
  max-height: min(92dvh, 900px);
  margin: auto auto 0;
  padding: 0;
  border: 0;
  border-radius: 14px 14px 0 0;
  background: var(--sheet);
  color: var(--ink);
  box-shadow: 0 -8px 40px rgb(0 0 0 / .18);
}
@media (min-width: 600px) {
  .sheet { margin: auto; border-radius: 14px; }
}
.sheet::backdrop { background: rgb(8 11 28 / .42); }
.sheet[open] { animation: sheet-in 220ms ease-out; }
@keyframes sheet-in { from { transform: translateY(24px); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .sheet[open] { animation: none; } }

.sheet-header {
  position: sticky;
  top: 0;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 6px 16px;
  background: var(--sheet);
  border-bottom: 1px solid var(--rule);
}
.sheet-header h2 { font-size: 17px; font-weight: 600; }
.sheet-header .text-button:first-child { justify-self: start; }
.sheet-header .text-button:last-child { justify-self: end; }

.sheet-body { display: grid; gap: 16px; padding: 0 var(--gutter) calc(24px + env(safe-area-inset-bottom)); }

.editor-hero { margin: 0 calc(-1 * var(--gutter)); padding: 18px var(--gutter); background: var(--field); }
.editor-hero.income { background: var(--field-2); }
.editor-hero + .review-note { margin-top: -16px; }
.editor-amount { font-size: 38px; font-weight: 700; letter-spacing: -.02em; }

.review-note {
  margin: 0 calc(-1 * var(--gutter));
  padding: 12px var(--gutter);
  background: var(--field-sun);
  font-size: 15px;
}

.picker { margin: 0; padding: 0; border: 0; min-width: 0; }
.picker legend { padding: 0 0 8px; color: var(--ink-2); font-size: 13px; }
.chip-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.pick {
  min-height: 40px;
  padding: 0 12px;
  border: 0;
  border-radius: 9999px;
  background: var(--wash);
  font-size: 15px;
}
.pick[aria-pressed="true"] { background: var(--accent); color: var(--on-accent); font-weight: 600; }

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.switch-row small { display: block; color: var(--ink-2); font-size: 13px; }
.switch-row input {
  appearance: none;
  flex: none;
  width: 51px;
  height: 31px;
  margin: 0;
  border-radius: 9999px;
  background: var(--rule);
  position: relative;
  transition: background 160ms ease-out;
}
.switch-row input::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 27px;
  height: 27px;
  border-radius: 9999px;
  background: #FFFFFF;
  box-shadow: 0 2px 4px rgb(0 0 0 / .2);
  transition: transform 160ms ease-out;
}
.switch-row input:checked { background: var(--positive); }
.switch-row input:checked::after { transform: translateX(20px); }
.switch-row input:disabled { opacity: .5; }

.sheet-actions { display: grid; gap: 10px; }

/* ---------- Tooltip y aviso ---------- */

.tooltip {
  position: fixed;
  z-index: 10;
  max-width: 260px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  pointer-events: none;
}
.tooltip strong { display: block; font-size: 16px; font-variant-numeric: tabular-nums; }

.toast {
  position: fixed;
  z-index: 20;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  width: max-content;
  max-width: calc(100% - 32px);
  transform: translateX(-50%);
  padding: 12px 16px;
  border-radius: 12px;
  background: var(--ink);
  color: var(--paper);
  font-size: 15px;
  box-shadow: 0 8px 28px rgb(0 0 0 / .2);
}
.toast.error { background: var(--debt); color: var(--paper); }

@media (forced-colors: active) {
  .bar-fill { background: CanvasText; }
  .bar-track { background: Canvas; outline: 1px solid CanvasText; }
}