/* =========================================================
   TOKENS
   Paleta "libro de finca": verde pasto profundo, dorado de grano
   para los valores en dinero, papel cálido para las tarjetas.
   Fuente del sistema (nada de CDNs externos: la app debe cargar
   sin internet una vez instalada).
   ========================================================= */
:root {
  --bg: #F7F4EC;
  --paper: #FFFFFF;
  --ink: #22281F;
  --ink-soft: #5B6255;
  --green-deep: #2F4732;
  --green-mid: #3A5A3D;
  --gold: #C9A227;
  --gold-soft: #F1E4B8;
  --brick: #A63D2E;
  --line: #E4DFCF;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 2px 10px rgba(47, 71, 50, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}

body {
  padding-bottom: 92px; /* espacio para el nav inferior */
  min-height: 100vh;
}

button, input, select {
  font-family: inherit;
}

.hidden { display: none !important; }

/* =========================================================
   HEADER
   ========================================================= */
.app-header {
  background: var(--green-deep);
  color: #fff;
  padding: 14px 18px calc(14px + env(safe-area-inset-top, 0px));
  padding-top: calc(14px + env(safe-area-inset-top, 0px));
  position: sticky;
  top: 0;
  z-index: 20;
}
.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  font-size: 19px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.pill-btn {
  background: rgba(255,255,255,0.15);
  border: none;
  color: #fff;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.pill-btn.spinning #sync-icon { animation: spin 0.8s linear infinite; display:inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.offline-banner {
  margin-top: 10px;
  background: rgba(201, 162, 39, 0.25);
  color: var(--gold-soft);
  font-size: 12.5px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  text-align: center;
}

/* =========================================================
   HERO / TOTAL
   ========================================================= */
.view { padding: 18px; }

.hero-total {
  background: var(--green-deep);
  color: #fff;
  margin: -1px -18px 20px;
  padding: 22px 18px 26px;
  border-radius: 0 0 28px 28px;
}
.hero-label {
  margin: 0 0 4px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
}
.hero-amount {
  margin: 0;
  font-size: 42px;
  font-weight: 800;
  color: var(--gold-soft);
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}
.hero-sub-row {
  margin-top: 6px;
  font-size: 14.5px;
  color: rgba(255,255,255,0.85);
}
.hero-sub-row .dot { margin: 0 6px; opacity: 0.5; }
.rate-strip {
  margin-top: 14px;
  display: flex;
  gap: 14px;
  font-size: 12px;
  color: rgba(255,255,255,0.6);
  flex-wrap: wrap;
}
.rate-updated { margin-left: auto; }

/* =========================================================
   TARJETAS DE ESPECIE — estilo "recibo de finca"
   ========================================================= */
.section-label {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
  font-weight: 700;
  margin: 0 0 10px 2px;
}

.species-cards {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.species-card {
  background: var(--paper);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
  border-left: 5px solid var(--gold);
}
.species-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.species-card-name {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
}
.species-card-count {
  font-size: 12.5px;
  color: var(--ink-soft);
  background: var(--bg);
  padding: 3px 9px;
  border-radius: 20px;
}
.species-card-values {
  margin-top: 12px;
  display: flex;
  gap: 22px;
}
.value-block .value-label {
  font-size: 11.5px;
  color: var(--ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.value-block .value-amount {
  font-size: 22px;
  font-weight: 800;
  color: var(--green-deep);
  font-variant-numeric: tabular-nums;
}
.value-block.canal .value-amount { color: var(--gold); }
.species-card-foot {
  margin-top: 10px;
  font-size: 12px;
  color: var(--ink-soft);
  border-top: 1px dashed var(--line);
  padding-top: 8px;
}

/* =========================================================
   EMPTY STATE
   ========================================================= */
.empty-state {
  text-align: center;
  padding: 50px 20px;
  color: var(--ink-soft);
}
.empty-emoji { font-size: 48px; margin: 0; }
.empty-title { font-weight: 700; color: var(--ink); margin: 6px 0 2px; }
.empty-sub { font-size: 14px; margin: 0; }

/* =========================================================
   NAV INFERIOR
   ========================================================= */
.bottom-nav {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom, 0px));
  z-index: 30;
}
.nav-btn {
  background: none;
  border: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  font-size: 11px;
  color: var(--ink-soft);
  padding: 4px 10px;
  border-radius: 10px;
}
.nav-btn.active { color: var(--green-deep); font-weight: 700; }
.nav-icon { font-size: 20px; }
.nav-fab {
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: var(--gold);
  color: var(--green-deep);
  border: none;
  font-size: 28px;
  font-weight: 700;
  margin-top: -28px;
  box-shadow: 0 4px 14px rgba(201,162,39,0.5);
}

/* =========================================================
   LISTAS (animales / gastos / precios)
   ========================================================= */
.filter-chips {
  display: flex;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.chip {
  border: 1px solid var(--line);
  background: var(--paper);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: var(--ink-soft);
}
.chip.active {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: #fff;
}

.animal-row, .expense-row, .price-row {
  background: var(--paper);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
  box-shadow: var(--shadow);
}
.animal-row-left, .expense-row-left { display: flex; align-items: center; gap: 10px; }
.row-emoji { font-size: 22px; }
.row-title { font-weight: 700; font-size: 14.5px; }
.row-sub { font-size: 12.5px; color: var(--ink-soft); }
.row-amount { font-weight: 700; color: var(--green-deep); font-variant-numeric: tabular-nums; }
.row-amount.expense { color: var(--brick); }

.expenses-total {
  font-size: 15px;
  color: var(--ink-soft);
  margin: 0 0 14px;
}
.expenses-total b { color: var(--brick); }

.hint-text {
  font-size: 13.5px;
  color: var(--ink-soft);
  background: var(--gold-soft);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin-top: 0;
}

.price-row-species { font-weight: 700; }
.price-row-values { text-align: right; font-size: 13px; color: var(--ink-soft); }

/* =========================================================
   BOTONES GENERALES
   ========================================================= */
.primary-btn {
  background: var(--green-deep);
  color: #fff;
  border: none;
  padding: 15px;
  border-radius: var(--radius-sm);
  font-size: 16px;
  font-weight: 700;
  margin-top: 18px;
}
.secondary-btn {
  background: var(--paper);
  color: var(--green-deep);
  border: 2px solid var(--green-deep);
  padding: 13px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 700;
}
.full-width { width: 100%; }
.danger-link {
  background: none;
  border: none;
  color: var(--brick);
  padding: 10px;
  font-size: 14px;
  margin-top: 4px;
}

/* =========================================================
   MODALES (hoja inferior)
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(34, 40, 31, 0.5);
  display: flex;
  align-items: flex-end;
  z-index: 50;
}
.modal-sheet {
  background: var(--bg);
  width: 100%;
  max-height: 88vh;
  overflow-y: auto;
  border-radius: 24px 24px 0 0;
  padding: 20px 20px calc(24px + env(safe-area-inset-bottom, 0px));
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}
.modal-header h2 { margin: 0; font-size: 19px; }
.modal-close {
  background: var(--line);
  border: none;
  width: 30px; height: 30px;
  border-radius: 50%;
  font-size: 14px;
}

.field-label {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--ink-soft);
  margin: 16px 0 8px;
}

.species-picker {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}
.species-btn {
  background: var(--paper);
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 12px 4px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--ink-soft);
}
.species-btn .sp-emoji { font-size: 26px; }
.species-btn.selected {
  border-color: var(--green-deep);
  background: var(--gold-soft);
  color: var(--green-deep);
}

.stepper {
  display: flex;
  align-items: center;
  gap: 10px;
}
.stepper-btn {
  width: 46px; height: 46px;
  border-radius: 50%;
  border: 2px solid var(--green-deep);
  background: var(--paper);
  color: var(--green-deep);
  font-size: 22px;
  font-weight: 700;
}
.stepper input {
  flex: 1;
  text-align: center;
  font-size: 20px;
  font-weight: 700;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 10px;
  background: var(--paper);
  color: var(--ink);
}

.text-input {
  width: 100%;
  border: 2px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 13px;
  font-size: 16px;
  background: var(--paper);
  color: var(--ink);
}

/* =========================================================
   TOAST
   ========================================================= */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 14px;
  z-index: 100;
  box-shadow: 0 4px 14px rgba(0,0,0,0.3);
}

/* Foco visible para accesibilidad / teclado */
button:focus-visible, input:focus-visible, select:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 2px;
}

@media (min-width: 640px) {
  body { max-width: 480px; margin: 0 auto; box-shadow: 0 0 40px rgba(0,0,0,0.08); }
  .bottom-nav { max-width: 480px; left: 50%; transform: translateX(-50%); }
}