/* ============================================================
   Arbitraje Contable — Premium Dark Theme
   Anti-Gravity
   ============================================================ */

/* ─── Design Tokens ─────────────────────────────────────────── */
:root {
  --bg-base:      #080B14;
  --bg-surface:   #0D1117;
  --bg-card:      #111827;
  --bg-card-alt:  #161F2E;
  --bg-hover:     #1A2435;

  --border:       rgba(255,255,255,0.06);
  --border-focus: rgba(99,102,241,0.6);

  --text-primary:   #F0F4FF;
  --text-secondary: #8B9EC0;
  --text-muted:     #4B5975;

  --indigo:    #6366F1;
  --indigo-hi: #818CF8;
  --indigo-lo: rgba(99,102,241,0.12);

  --gold:    #F59E0B;
  --gold-lo: rgba(245,158,11,0.12);

  --green:    #10B981;
  --green-lo: rgba(16,185,129,0.12);

  --red:    #EF4444;
  --red-lo: rgba(239,68,68,0.12);

  --usdt:  #26A17B;
  --ves:   #CF6F00;
  --cop:   #3B82F6;

  --radius-sm: 8px;
  --radius:    12px;
  --radius-lg: 16px;

  --shadow-card: 0 1px 3px rgba(0,0,0,0.4), 0 4px 16px rgba(0,0,0,0.3);
  --shadow-glow: 0 0 24px rgba(99,102,241,0.2);

  --font-sans: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --transition: 150ms ease;
}

/* ─── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute; width: 1px; height: 1px;
  padding: 0; margin: -1px; overflow: hidden;
  clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ─── App Header ─────────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: rgba(8,11,20,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.header-brand { display: flex; align-items: center; gap: 12px; }

.brand-icon {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, var(--indigo), #4F46E5);
  font-size: 18px;
  box-shadow: var(--shadow-glow);
}

.brand-name  { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.brand-sub   { font-size: 11px; color: var(--text-muted); display: block; }

.header-live { margin-left: auto; text-align: right; }
.live-clock  { font-family: var(--font-mono); font-size: 18px; font-weight: 500; color: var(--indigo-hi); letter-spacing: 1px; }
.live-date   { font-size: 11px; color: var(--text-muted); }

.header-kpis { display: flex; gap: 8px; }

.kpi-pill {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  border-radius: 20px;
  font-size: 13px; font-weight: 600;
  border: 1px solid var(--border);
  background: var(--bg-card);
  transition: var(--transition);
}

.kpi-usdt    { color: var(--usdt); border-color: rgba(38,161,123,0.25); }
.kpi-cop     { color: var(--cop);  border-color: rgba(59,130,246,0.25); }
.kpi-ganancia{ color: var(--gold); border-color: rgba(245,158,11,0.25); }
.kpi-icon    { font-size: 12px; opacity: 0.7; }

.btn-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--border);
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}
.btn-icon:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-icon svg   { width: 16px; height: 16px; }

/* ─── Tab Navigation ─────────────────────────────────────────── */
.tab-nav {
  display: flex;
  gap: 2px;
  padding: 8px 24px 0;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-sans); font-size: 13px; font-weight: 500;
  border-bottom: 2px solid transparent;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.tab-btn svg { width: 14px; height: 14px; }
.tab-btn:hover { color: var(--text-primary); background: var(--bg-hover); }
.tab-btn.active {
  color: var(--indigo-hi);
  border-bottom-color: var(--indigo);
  background: var(--indigo-lo);
}

/* ─── Main / Panels ──────────────────────────────────────────── */
.app-main { padding: 24px; max-width: 1400px; margin: 0 auto; }
.tab-panel { animation: fadeIn 200ms ease; }
.tab-panel.active { display: block; }
.tab-panel[hidden]  { display: none; }

@keyframes fadeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; gap: 16px;
}
.panel-title { font-size: 22px; font-weight: 700; }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}

/* ─── KPI Grid ───────────────────────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 20px;
}
@media (max-width: 900px) { .kpi-grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width: 500px) { .kpi-grid { grid-template-columns: 1fr; } }

.kpi-card {
  display: flex; align-items: center; gap: 16px;
  transition: var(--transition);
}
.kpi-card:hover { border-color: var(--indigo); box-shadow: var(--shadow-glow); }

.kpi-card-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; font-weight: 700; flex-shrink: 0;
}
.cop-icon    { background: rgba(59,130,246,0.15);  color: var(--cop); }
.usdt-icon   { background: rgba(38,161,123,0.15);  color: var(--usdt); }
.ves-icon    { background: rgba(207,111,0,0.15);   color: var(--ves); }
.profit-icon { background: rgba(245,158,11,0.15);  color: var(--gold); }

.kpi-card-label { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; }
.kpi-card-value { font-size: 22px; font-weight: 700; font-family: var(--font-mono); }
.kpi-card-sub   { font-size: 11px; color: var(--text-secondary); margin-top: 2px; }

/* ─── Caja Section ───────────────────────────────────────────── */
.caja-section { margin-bottom: 20px; }

.caja-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}
@media (max-width: 700px) { .caja-grid { grid-template-columns: repeat(2,1fr); } }

.caja-item {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  text-align: center;
  transition: var(--transition);
}
.caja-item:hover { border-color: var(--indigo); }
.caja-moneda { font-size: 11px; color: var(--text-muted); font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; }
.caja-saldo  { font-size: 20px; font-weight: 700; font-family: var(--font-mono); margin: 6px 0 2px; }
.caja-sub    { font-size: 10px; color: var(--text-muted); }
.caja-USDT   .caja-saldo { color: var(--usdt); }
.caja-COP    .caja-saldo { color: var(--cop); }
.caja-VES    .caja-saldo { color: var(--ves); }
.caja-USD    .caja-saldo { color: var(--gold); }

/* ─── Section title & table ──────────────────────────────────── */
.section-title { font-size: 15px; font-weight: 600; margin-bottom: 0; }
.subsection-title { font-size: 13px; font-weight: 600; margin: 16px 0 8px; color: var(--text-secondary); }

.table-header-row { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.table-section { margin-bottom: 0; }

.table-wrap { overflow-x: auto; margin-top: 12px; border-radius: var(--radius); }

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 10px 12px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--bg-card-alt);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-primary);
  white-space: nowrap;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: var(--bg-hover); }
.data-table .loading-cell { text-align: center; color: var(--text-muted); padding: 32px; }

.mono { font-family: var(--font-mono); }
.positive { color: var(--green); }
.negative { color: var(--red); }
.neutral  { color: var(--text-secondary); }

/* ─── Days selector ──────────────────────────────────────────── */
.days-selector { display: flex; gap: 4px; }
.days-btn {
  padding: 5px 12px; border: 1px solid var(--border);
  background: var(--bg-card-alt); color: var(--text-muted);
  border-radius: var(--radius-sm); font-size: 12px; cursor: pointer;
  transition: var(--transition);
}
.days-btn:hover  { color: var(--text-primary); border-color: var(--indigo); }
.days-btn.active { background: var(--indigo-lo); color: var(--indigo-hi); border-color: var(--indigo); }

/* ─── Giro Form Layout ───────────────────────────────────────── */
.giro-layout {
  display: grid;
  grid-template-columns: 1fr 360px;
  gap: 20px;
  align-items: start;
}
@media (max-width: 1000px) { .giro-layout { grid-template-columns: 1fr; } }

/* ─── Forms ──────────────────────────────────────────────────── */
.giro-form, .ventas-form { display: flex; flex-direction: column; gap: 0; }

fieldset.form-section {
  border: none;
  margin-bottom: 20px;
  padding: 0;
}
fieldset.form-section legend {
  font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 14px;
  padding: 0;
}

.form-row { display: flex; gap: 12px; margin-bottom: 12px; flex-wrap: wrap; }
.form-row.three-col > .field { flex: 1 1 calc(33% - 8px); min-width: 120px; }

.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 0; min-width: 150px; }
.field.full-width { flex: 1 1 100%; }

.field label {
  font-size: 12px; font-weight: 500;
  color: var(--text-secondary);
}
.field-hint { font-size: 11px; color: var(--text-muted); margin-top: 2px; }

input, select, textarea {
  width: 100%;
  padding: 9px 12px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 13px;
  transition: var(--transition);
  outline: none;
  appearance: none;
}
input:focus, select:focus {
  border-color: var(--indigo);
  box-shadow: 0 0 0 3px var(--indigo-lo);
}
input::placeholder { color: var(--text-muted); }
input[type="number"]::-webkit-inner-spin-button { opacity: 0.3; }

.input-with-prefix { position: relative; display: flex; align-items: center; }
.input-with-prefix input { padding-left: 32px; }
.input-prefix {
  position: absolute; left: 10px;
  color: var(--text-muted); font-size: 13px; font-weight: 600;
  pointer-events: none;
}

.date-input { width: auto; min-width: 150px; padding: 7px 10px; }

.form-actions {
  display: flex; justify-content: flex-end; align-items: center;
  gap: 12px; margin-top: 8px; padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* ─── Buttons ────────────────────────────────────────────────── */
.btn-primary, .btn-secondary, .btn-danger {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border: none; border-radius: var(--radius-sm);
  font-family: var(--font-sans); font-size: 13px; font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-primary svg, .btn-secondary svg { width: 14px; height: 14px; flex-shrink: 0; }

.btn-primary {
  background: linear-gradient(135deg, var(--indigo), #4F46E5);
  color: #fff;
  box-shadow: 0 2px 8px rgba(99,102,241,0.4);
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-primary:active { transform: none; }

.btn-secondary {
  background: var(--bg-card-alt);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover { color: var(--text-primary); border-color: var(--indigo); }

.btn-danger {
  background: var(--red-lo);
  color: var(--red);
  border: 1px solid rgba(239,68,68,0.3);
}
.btn-danger:hover { background: var(--red); color: #fff; }

/* ─── Giro Preview ───────────────────────────────────────────── */
.giro-preview { position: sticky; top: 80px; }

.preview-placeholder {
  text-align: center; padding: 40px 20px;
  color: var(--text-muted);
}
.preview-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.3; }
.preview-placeholder p { font-size: 13px; }

.preview-result.hidden { display: none; }

.preview-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.preview-row:last-of-type { border-bottom: none; }
.pr-label { color: var(--text-secondary); }
.pr-val   { font-family: var(--font-mono); font-weight: 500; }

.preview-sep { border: none; border-top: 1px dashed var(--border); margin: 4px 0; }
.highlight-row .pr-val { font-size: 16px; }
.big-val  { font-size: 18px !important; }
.bold-val { font-weight: 700 !important; }

.gmf-row .pr-val { color: var(--red); }
.profit-row .pr-val { font-weight: 600; }
.profit-color { color: var(--gold); }
.red          { color: var(--red); }
.usdt-color   { color: var(--usdt); }
.ves-color    { color: var(--ves); }

/* ─── Giros de hoy list ──────────────────────────────────────── */
.giros-hoy-wrap { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }

.giro-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 12px;
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 6px;
  font-size: 12px;
  transition: var(--transition);
}
.giro-item:hover { border-color: var(--indigo); }
.giro-num    { font-family: var(--font-mono); font-weight: 600; color: var(--indigo-hi); }
.giro-info   { color: var(--text-secondary); }
.giro-profit { color: var(--gold); font-weight: 600; font-family: var(--font-mono); }

/* Tarjeta extendida con acciones rápidas */
.giro-item-ext {
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  margin-bottom: 8px;
  transition: var(--transition);
}
.giro-item-ext:hover { border-color: var(--indigo); }

.giro-item-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
}

.giro-acciones {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 5px;
  margin-top: 4px;
}

.btn-accion-rapida {
  padding: 4px 10px;
  border: none;
  border-radius: 6px;
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn-action-confirm {
  background: rgba(59,130,246,0.2);
  color: var(--cop);
  border: 1px solid rgba(59,130,246,0.4);
}
.btn-action-confirm:hover { background: var(--cop); color: #fff; }

.btn-action-send {
  background: rgba(245,158,11,0.15);
  color: var(--gold);
  border: 1px solid rgba(245,158,11,0.4);
}
.btn-action-send:hover { background: var(--gold); color: #000; }

.btn-action-done {
  background: rgba(16,185,129,0.15);
  color: var(--green);
  border: 1px solid rgba(16,185,129,0.4);
}
.btn-action-done:hover { background: var(--green); color: #fff; }

.btn-accion-anular {
  padding: 3px 8px;
  border: 1px solid rgba(239,68,68,0.3);
  background: transparent;
  color: var(--text-muted);
  border-radius: 6px;
  font-size: 11px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-accion-anular:hover { color: var(--red); border-color: var(--red); background: var(--red-lo); }

/* Recarga preview inline */
.recarga-preview {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(20,184,166,0.08);
  border: 1px solid rgba(20,184,166,0.25);
  border-radius: var(--radius-sm);
  margin: 8px 0;
  font-size: 13px;
}
.recarga-preview-label { color: var(--text-secondary); }
.recarga-preview strong { font-family: var(--font-mono); font-size: 15px; }

.empty-state-sm { text-align: center; color: var(--text-muted); font-size: 12px; padding: 20px 0; }

/* ─── Estado badge ───────────────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 8px; border-radius: 20px;
  font-size: 11px; font-weight: 600;
  text-transform: capitalize;
}
.badge-pendiente  { background: rgba(245,158,11,0.15); color: var(--gold); }
.badge-confirmado { background: rgba(59,130,246,0.15); color: var(--cop); }
.badge-enviado    { background: rgba(16,185,129,0.15); color: var(--green); }
.badge-completado { background: rgba(16,185,129,0.20); color: var(--green); }
.badge-anulado    { background: rgba(239,68,68,0.15); color: var(--red); }

/* ─── Ventas ─────────────────────────────────────────────────── */
.ventas-layout {
  display: grid;
  grid-template-columns: 400px 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 900px) { .ventas-layout { grid-template-columns: 1fr; } }

.venta-preview-strip {
  display: flex; gap: 24px;
  padding: 12px 16px;
  background: var(--bg-card-alt);
  border-radius: var(--radius-sm);
  margin-top: 8px;
  border: 1px solid var(--border);
}
.vps-item { font-size: 13px; color: var(--text-secondary); }
.vps-item strong { margin-left: 4px; }

.ventas-summary-strip {
  display: flex; gap: 24px;
  padding: 10px 0; margin-bottom: 8px;
}
.vss-item { font-size: 13px; color: var(--text-secondary); }
.vss-item strong { margin-left: 4px; color: var(--text-primary); }

/* ─── Binance ────────────────────────────────────────────────── */
.binance-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 800px) { .binance-layout { grid-template-columns: 1fr; } }

.binance-saldo-card { grid-column: 1 / -1; }

.bs-header {
  display: flex; align-items: center; gap: 20px;
  margin-bottom: 20px;
}
.bs-logo {
  width: 64px; height: 64px; border-radius: 50%;
  background: linear-gradient(135deg, rgba(38,161,123,0.3), rgba(38,161,123,0.1));
  border: 2px solid var(--usdt);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px; color: var(--usdt);
}
.bs-label { font-size: 13px; color: var(--text-muted); margin-bottom: 4px; }
.bs-value { font-size: 36px; font-weight: 700; font-family: var(--font-mono); color: var(--usdt); }

.bs-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.bs-sync-status { font-size: 12px; }

.ledger-card { grid-column: 1 / -1; }

.moneda-filter { display: flex; gap: 4px; margin-bottom: 12px; }
.moneda-btn {
  padding: 5px 12px; border: 1px solid var(--border);
  background: var(--bg-card-alt); color: var(--text-muted);
  border-radius: var(--radius-sm); font-size: 12px; cursor: pointer;
  transition: var(--transition);
}
.moneda-btn.active { background: var(--indigo-lo); color: var(--indigo-hi); border-color: var(--indigo); }

.card-desc { font-size: 13px; color: var(--text-muted); margin: 4px 0 16px; }
code { font-family: var(--font-mono); font-size: 12px; background: var(--bg-card-alt); padding: 2px 6px; border-radius: 4px; }

.api-status { font-size: 12px; margin-right: auto; }

/* ─── Skeleton / Loading ─────────────────────────────────────── */
.skeleton-row {
  height: 80px; border-radius: var(--radius);
  background: linear-gradient(90deg, var(--bg-card-alt) 0%, var(--bg-hover) 50%, var(--bg-card-alt) 100%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

/* ─── Toasts ─────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 24px; right: 24px;
  display: flex; flex-direction: column; gap: 8px;
  z-index: 999;
  pointer-events: none;
}

.toast {
  display: flex; align-items: center; gap: 10px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
  font-size: 13px;
  pointer-events: all;
  max-width: 360px;
  animation: slideUp 250ms ease;
}
.toast-success { border-left: 3px solid var(--green); }
.toast-error   { border-left: 3px solid var(--red); }
.toast-info    { border-left: 3px solid var(--indigo); }
.toast-icon    { font-size: 16px; flex-shrink: 0; }

@keyframes slideUp { from { opacity:0; transform: translateY(12px); } to { opacity:1; transform:none; } }

/* ─── Modal ──────────────────────────────────────────────────── */
.modal {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 0;
  box-shadow: 0 8px 32px rgba(0,0,0,0.6);
  max-width: 420px; width: 90%;
}
.modal::backdrop { background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); }

.modal-card { padding: 28px; }
.modal-title { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.modal-body  { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 12px; }

/* ─── Action button in table ─────────────────────────────────── */
.btn-table {
  padding: 4px 10px; border: 1px solid var(--border);
  background: transparent; color: var(--text-muted);
  border-radius: 6px; font-size: 11px; cursor: pointer;
  transition: var(--transition);
}
.btn-table:hover        { color: var(--text-primary); border-color: var(--indigo); }
.btn-table.btn-anular:hover { color: var(--red); border-color: var(--red); }

/* ─── Flujo de Caja ──────────────────────────────────────────── */

/* Navegador de año */
.flujo-year-nav {
  display: flex; align-items: center; gap: 12px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 24px; padding: 4px 6px;
}
.flujo-year-btn {
  width: 28px; height: 28px; border: none;
  background: var(--bg-card-alt); color: var(--text-secondary);
  border-radius: 50%; cursor: pointer; font-size: 18px;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition);
}
.flujo-year-btn:hover { background: var(--indigo-lo); color: var(--indigo-hi); }
.flujo-year-display {
  font-family: var(--font-mono); font-size: 15px; font-weight: 700;
  min-width: 48px; text-align: center; color: var(--text-primary);
}

/* KPIs anuales */
.flujo-kpis {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
  margin-bottom: 20px;
}
@media (max-width: 900px) { .flujo-kpis { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .flujo-kpis { grid-template-columns: repeat(2, 1fr); } }

.flujo-kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  transition: var(--transition);
}
.flujo-kpi-card:hover { border-color: var(--indigo); }
.fkc-label { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }
.fkc-value { font-size: 18px; font-weight: 700; font-family: var(--font-mono); }

/* Gráfico */
.flujo-chart-card { margin-bottom: 20px; }
.flujo-chart-wrap { margin-top: 16px; width: 100%; overflow: hidden; }
.flujo-chart { width: 100%; display: block; }

/* Tabla mensual */
.flujo-table-card { margin-bottom: 0; }
.flujo-tabla .num { text-align: right; font-family: var(--font-mono); font-size: 12px; }
.flujo-tabla .col-margen { text-align: center; }
.flujo-tabla thead th:not(:first-child) { text-align: right; }
.flujo-tabla thead th.col-margen { text-align: center; }

/* Fila de totales en tfoot */
.flujo-total-row td {
  background: var(--bg-card-alt) !important;
  border-top: 2px solid var(--indigo) !important;
  border-bottom: none !important;
  padding-top: 12px;
  padding-bottom: 12px;
  font-size: 12px;
}
.flujo-total-row td:first-child {
  font-size: 13px;
  color: var(--indigo-hi);
}

/* Tarjeta de ajuste */
.ajuste-card { }
.cop-color { color: var(--cop); }

/* ─── Tasa del Día ───────────────────────────────────────────── */
.tasa-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  align-items: start;
}
@media (max-width: 900px) { .tasa-layout { grid-template-columns: 1fr; } }

.tasa-controls {
  position: sticky;
  top: 80px;
}

.tema-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  margin-top: 8px;
}

.tema-btn, .formato-btn {
  padding: 8px 6px;
  border: 1px solid var(--border);
  background: var(--bg-card-alt);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  font-size: 12px; font-weight: 500;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  line-height: 1.3;
}
.tema-btn:hover, .formato-btn:hover { border-color: var(--indigo); color: var(--text-primary); }
.tema-btn.active, .formato-btn.active {
  background: var(--indigo-lo);
  border-color: var(--indigo);
  color: var(--indigo-hi);
}

.formato-btn { padding: 10px 8px; }
.formato-btn small { display: block; color: var(--text-muted); font-size: 10px; margin-top: 2px; }

.tasa-hint {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  margin-top: 10px;
  line-height: 1.5;
}

/* Preview canvas */
.tasa-preview-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.tasa-preview-label {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  letter-spacing: 0.3px;
}
.tasa-canvas-outer {
  display: flex;
  justify-content: center;
  background: var(--bg-card-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
}
#tasa-canvas {
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  display: block;
  max-width: 100%;
}