/* ═══════════════════════════════════════════
   LAGARTOS BARBERSHOP · style.css
   ═══════════════════════════════════════════ */

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

:root {
  --bg:       #070c09;
  --surf:     #0d1510;
  --card:     #111d14;
  --border:   #1c2e1e;
  --green:    #3ddc68;
  --green2:   #1a7a3a;
  --green-glow: rgba(61,220,104,.15);
  --gold:     #e8c840;
  --red:      #f45c5c;
  --blue:     #5cb8f4;
  --purple:   #c87ee8;
  --text:     #c8e8cc;
  --muted:    #4a6450;
  --white:    #eaf4eb;
  --sidebar-w: 220px;
  --sidebar-collapsed: 64px;
  --topbar-h: 64px;
}

html, body {
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  line-height: 1.4;
}

* { scrollbar-width: thin; scrollbar-color: var(--green2) var(--surf); }
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--surf); }
::-webkit-scrollbar-thumb { background: var(--green2); border-radius: 3px; }

/* ── TYPOGRAPHY ────────────────────────────── */
.bebas { font-family: 'Bebas Neue', cursive; }
.mono  { font-family: 'DM Mono', monospace; }

/* ── ANIMATIONS ────────────────────────────── */
@keyframes fadeIn   { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes scaleIn  { from{transform:scale(.93);opacity:0} to{transform:scale(1);opacity:1} }
@keyframes pulse    { 0%,100%{opacity:1} 50%{opacity:.35} }
@keyframes slideIn  { from{transform:translateX(-12px);opacity:0} to{transform:translateX(0);opacity:1} }

.animate-in  { animation: fadeIn  .35s ease both; }
.scale-in    { animation: scaleIn .25s ease both; }
.slide-in    { animation: slideIn .3s ease both; }
.pulse       { animation: pulse 2s infinite; }

/* ── LAYOUT ────────────────────────────────── */
body { display: flex; overflow: hidden; }

/* SIDEBAR */
.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100vh;
  background: var(--surf);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width .25s ease, min-width .25s ease;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
  z-index: 100;
}

.sidebar.collapsed { width: var(--sidebar-collapsed); min-width: var(--sidebar-collapsed); }
.sidebar.collapsed .nav-label { display: none; }
.sidebar.collapsed .brand-text { display: none; }
.sidebar.collapsed .nav-dot    { display: none; }
.sidebar.collapsed .collapse-icon { transform: rotate(180deg); }

/* Brand */
.brand {
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 70px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px; height: 38px;
  background: linear-gradient(135deg, var(--green), var(--green2));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 22px;
  flex-shrink: 0;
}
.brand-name {
  font-family: 'Bebas Neue', cursive;
  font-size: 20px; color: var(--white);
  letter-spacing: 3px; line-height: 1;
}
.brand-sub { font-size: 10px; color: var(--muted); letter-spacing: 3px; }

/* Nav */
.nav { flex: 1; padding: 10px 8px; overflow-y: auto; }
.nav-item {
  display: flex; align-items: center; gap: 12px;
  width: 100%; padding: 10px 12px; border-radius: 10px;
  margin-bottom: 3px; border: none;
  background: transparent; color: var(--muted);
  text-align: left; cursor: pointer;
  transition: all .2s ease;
  font-size: 14px; font-weight: 400; letter-spacing: .5px;
  font-family: 'Barlow Condensed', sans-serif;
  position: relative;
  white-space: nowrap;
}
.nav-item:hover { background: rgba(255,255,255,.04); color: var(--text); }
.nav-item.active {
  background: var(--green-glow);
  color: var(--green);
  font-weight: 700;
}
.nav-icon { font-size: 18px; flex-shrink: 0; }
.nav-label { flex: 1; }
.nav-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green);
  display: none;
}
.nav-item.active .nav-dot { display: block; }

/* Footer */
.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 10px 8px;
  flex-shrink: 0;
}
.collapse-btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: none; background: transparent;
  color: var(--muted); cursor: pointer;
  font-family: 'Barlow Condensed', sans-serif; font-size: 14px;
  transition: all .2s;
}
.collapse-btn:hover { background: rgba(255,255,255,.04); color: var(--text); }
.collapse-icon { transition: transform .25s ease; font-size: 14px; }

/* MAIN WRAP */
.main-wrap {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* TOPBAR */
.topbar {
  height: var(--topbar-h);
  padding: 0 28px;
  background: var(--surf);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.topbar-breadcrumb { display: flex; align-items: center; gap: 8px; }
.bc-root  { font-size: 14px; color: var(--muted); }
.bc-sep   { color: var(--border); font-size: 16px; }
.bc-current { font-family: 'Bebas Neue', cursive; font-size: 20px; color: var(--white); letter-spacing: 1px; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.topbar-date  { font-size: 13px; color: var(--muted); }
.topbar-user  {
  display: flex; align-items: center; gap: 8px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 20px; padding: 6px 14px;
  font-size: 14px; font-weight: 600;
}

/* CONTENT */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 28px;
}

/* VIEWS */
.view { display: none; animation: fadeIn .35s ease both; }
.view.active { display: block; }

/* ── SECTION HEADER ────────────────────────── */
.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 24px;
}
.section-title {
  font-family: 'Bebas Neue', cursive;
  font-size: 34px; color: var(--white); letter-spacing: 1.5px;
}
.section-sub { font-size: 14px; color: var(--muted); margin-top: 2px; }

/* ── CARD ──────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-title {
  font-family: 'Bebas Neue', cursive;
  font-size: 18px; letter-spacing: 1px; color: var(--white);
}
.card-label {
  font-size: 12px; color: var(--muted);
  letter-spacing: 1px; text-transform: uppercase;
  padding: 18px 20px 0;
}

/* ── KPI GRID ──────────────────────────────── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.kpi-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 22px;
  position: relative;
  overflow: hidden;
  animation: fadeIn .35s ease both;
}
.kpi-card::before {
  content: '';
  position: absolute; top: 0; right: 0;
  width: 90px; height: 90px;
  border-radius: 50%;
  pointer-events: none;
}
.kpi-icon   { font-size: 26px; margin-bottom: 6px; }
.kpi-label  { font-size: 12px; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; }
.kpi-value  {
  font-family: 'Bebas Neue', cursive;
  font-size: 38px; line-height: 1.05; margin: 4px 0;
}
.kpi-sub    { font-size: 13px; color: var(--muted); }

/* ── CHART ROW ─────────────────────────────── */
.chart-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 18px;
  margin-bottom: 18px;
}
.chart-card { padding-bottom: 18px; }
.chart-card canvas { padding: 0 18px; }
.chart-card.wide { }
.pie-legend {
  display: flex; flex-wrap: wrap; gap: 6px;
  justify-content: center;
  padding: 10px 18px 0;
}
.pie-legend-item {
  display: flex; align-items: center; gap: 4px;
  font-size: 12px; color: var(--muted);
}
.pie-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }

/* ── AGENDA LIST ───────────────────────────── */
.agenda-list { display: flex; flex-direction: column; gap: 0; }
.agenda-row {
  display: flex; align-items: center; gap: 14px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  transition: background .15s;
}
.agenda-row:first-child { border-top: none; }
.agenda-row:hover { background: rgba(255,255,255,.02); }
.agenda-hora  { font-family: 'DM Mono', monospace; font-size: 14px; color: var(--green); min-width: 52px; }
.agenda-name  { flex: 1; font-weight: 600; }
.agenda-srv   { color: var(--muted); font-size: 13px; min-width: 130px; }
.agenda-barb  { color: var(--muted); font-size: 13px; min-width: 100px; }
.agenda-monto { font-family: 'DM Mono', monospace; color: var(--gold); min-width: 50px; text-align: right; }

/* ── BADGES ────────────────────────────────── */
.badge {
  display: inline-flex; align-items: center;
  padding: 2px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 600; letter-spacing: .5px;
}
.badge-green  { color: var(--green);  background: rgba(61,220,104,.15);  border: 1px solid rgba(61,220,104,.3);  }
.badge-gold   { color: var(--gold);   background: rgba(232,200,64,.15);  border: 1px solid rgba(232,200,64,.3);  }
.badge-blue   { color: var(--blue);   background: rgba(92,184,244,.15);  border: 1px solid rgba(92,184,244,.3);  }
.badge-red    { color: var(--red);    background: rgba(244,92,92,.15);   border: 1px solid rgba(244,92,92,.3);   }
.badge-muted  { color: var(--muted);  background: rgba(74,100,80,.2);    border: 1px solid rgba(74,100,80,.3);   }
.badge-bronze { color: #cd7f32;       background: rgba(205,127,50,.15);  border: 1px solid rgba(205,127,50,.3);  }
.badge-silver { color: #c0c0c0;       background: rgba(192,192,192,.15); border: 1px solid rgba(192,192,192,.3); }
.badge-vip    { color: var(--green);  background: rgba(61,220,104,.15);  border: 1px solid rgba(61,220,104,.3);  }

/* STATUS DOT */
.status {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 13px;
}
.status-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* ── TABLE ─────────────────────────────────── */
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table thead tr { background: var(--surf); }
.data-table th {
  padding: 10px 16px; text-align: left;
  font-size: 12px; color: var(--muted);
  letter-spacing: 1px; text-transform: uppercase; font-weight: 600;
}
.data-table td { padding: 12px 16px; border-top: 1px solid var(--border); }
.data-table tbody tr:nth-child(even) { background: rgba(255,255,255,.01); }
.data-table tbody tr:hover { background: rgba(61,220,104,.04); }
.data-table tfoot td {
  padding: 14px 16px;
  border-top: 2px solid var(--green);
  font-weight: 700; font-size: 15px;
}

/* ── BUTTONS ───────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 9px 22px; border-radius: 8px; border: none;
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px; font-weight: 600; letter-spacing: .5px;
  cursor: pointer; transition: all .2s; white-space: nowrap;
}
.btn-primary { background: var(--green); color: #050c07; }
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--green);
  border: 1px solid var(--green);
}
.btn-outline:hover { background: var(--green-glow); }
.btn-ghost {
  background: var(--border); color: var(--text); border: none;
}
.btn-ghost:hover { background: rgba(255,255,255,.1); }
.btn-danger  { background: transparent; color: var(--red); border: 1px solid var(--red); }
.btn-danger:hover { background: rgba(244,92,92,.1); }
.btn-sm { padding: 6px 14px; font-size: 13px; }

/* ── INPUTS ────────────────────────────────── */
input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: 'Barlow Condensed', sans-serif;
  font-size: 15px;
  border-radius: 8px;
  padding: 8px 12px;
  outline: none;
  transition: border-color .2s;
}
input:focus, select:focus, textarea:focus { border-color: var(--green); }
select option { background: var(--surf); }
.input-full { width: 100%; }
.input-search { padding: 6px 12px; font-size: 13px; width: 200px; }

/* ── BARBEROS CARDS (reservaciones) ────────── */
.barberos-disponibles {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 22px;
}
.barbero-disp-card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: 12px; padding: 16px;
  display: flex; gap: 12px; align-items: center;
}
.barbero-emoji {
  width: 48px; height: 48px; border-radius: 10px;
  background: var(--surf); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 28px;
  flex-shrink: 0;
}
.barbero-info-name { font-weight: 700; font-size: 15px; color: var(--white); }
.barbero-info-esp  { font-size: 12px; color: var(--muted); margin-bottom: 6px; }
.barbero-badges    { display: flex; gap: 6px; flex-wrap: wrap; }

/* ── CLIENTES ──────────────────────────────── */
.clientes-layout { display: grid; grid-template-columns: 1fr; gap: 18px; }
.clientes-layout.with-profile { grid-template-columns: 1.6fr 1fr; }
.clients-list-card { }
.cliente-row {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 14px;
  cursor: pointer; transition: background .15s;
}
.cliente-row:last-child { border-bottom: none; }
.cliente-row:hover { background: rgba(255,255,255,.02); }
.cliente-row.selected { background: rgba(61,220,104,.06); }
.cliente-avatar {
  width: 42px; height: 42px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; font-weight: 700;
  border: 2px solid;
  flex-shrink: 0;
}
.cliente-meta { flex: 1; }
.cliente-meta-name { font-weight: 700; font-size: 15px; }
.cliente-meta-sub  { font-size: 12px; color: var(--muted); }
.cliente-pts { font-family: 'DM Mono', monospace; font-size: 13px; color: var(--muted); }

/* Perfil cliente */
.cliente-perfil { display: grid; gap: 14px; align-content: start; }
.cliente-perfil.hidden { display: none; }

.perfil-card {
  border-radius: 12px; padding: 22px;
  position: relative; overflow: hidden;
  border: 1px solid;
}
.perfil-top {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 14px;
}
.perfil-name { font-family: 'Bebas Neue', cursive; font-size: 22px; color: var(--white); }
.perfil-tel  { font-size: 13px; color: var(--muted); }
.perfil-pts-bar { margin-bottom: 12px; }
.perfil-pts-top { display: flex; justify-content: space-between; margin-bottom: 6px; font-size: 13px; }
.pts-label { color: var(--muted); }
.bar-track { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; }
.bar-fill  { height: 100%; border-radius: 3px; transition: width .5s ease; }
.perfil-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.perfil-stat-box {
  background: rgba(0,0,0,.25);
  border-radius: 8px; padding: 10px 14px; text-align: center;
}
.stat-box-label { font-size: 10px; color: var(--muted); letter-spacing: 1px; }
.stat-box-val {
  font-family: 'Bebas Neue', cursive; font-size: 28px; color: var(--white);
}

/* Tarjeta de cortes */
.stamp-card { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.stamp-label { font-size: 12px; color: var(--muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 10px; }
.stamps { display: flex; flex-wrap: wrap; gap: 8px; }
.stamp {
  width: 34px; height: 34px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 16px; transition: background .3s;
}
.stamp.filled { }
.stamp.empty  { background: var(--border); color: var(--muted); font-size: 10px; }

/* Perfil info */
.perfil-info { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 18px; }
.info-row {
  display: flex; justify-content: space-between;
  padding: 8px 0; border-bottom: 1px solid var(--border);
  font-size: 13px;
}
.info-row:last-child { border-bottom: none; }
.info-key { color: var(--muted); }
.info-val { font-weight: 600; }
.perfil-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-top: 14px; }

/* ── INVENTARIO ────────────────────────────── */
.alerta-stock {
  background: rgba(244,92,92,.1);
  border: 1px solid rgba(244,92,92,.3);
  border-radius: 10px; padding: 12px 18px;
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 18px;
}
.alerta-stock.hidden { display: none; }
.alerta-stock-icon { font-size: 20px; }
.alerta-stock-text strong { color: var(--red); }
.alerta-stock-text span  { color: var(--muted); font-size: 14px; }

.stock-bar-wrap { margin-top: 4px; width: 80px; }
.stock-bar-track { height: 3px; background: var(--border); border-radius: 2px; }
.stock-bar-fill  { height: 100%; border-radius: 2px; }

/* ── BARBEROS GRID ─────────────────────────── */
.barberos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
}
.barbero-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px; padding: 22px;
  transition: border-color .2s;
}
.barbero-card.inactivo { opacity: .65; border-color: rgba(244,92,92,.25); }
.barbero-card-top {
  display: flex; justify-content: space-between;
  align-items: flex-start; margin-bottom: 16px;
}
.barbero-card-emoji {
  width: 56px; height: 56px; border-radius: 12px;
  background: var(--surf); border: 2px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-size: 32px;
}
.barbero-card-name { font-family: 'Bebas Neue', cursive; font-size: 22px; color: var(--white); letter-spacing: .5px; }
.barbero-card-esp  { font-size: 13px; color: var(--muted); margin-bottom: 14px; }
.barbero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px; }
.barbero-stat {
  background: var(--surf); border-radius: 8px;
  padding: 10px 8px; text-align: center;
}
.barbero-stat-icon { font-size: 18px; }
.barbero-stat-val  { font-family: 'Bebas Neue', cursive; font-size: 22px; color: var(--white); }
.barbero-stat-label{ font-size: 10px; color: var(--muted); letter-spacing: 1px; }
.barbero-prod-label {
  display: flex; justify-content: space-between;
  font-size: 12px; color: var(--muted); margin-bottom: 4px;
}
.barbero-prod-bar-track { height: 4px; background: var(--border); border-radius: 2px; }
.barbero-prod-bar-fill  {
  height: 100%; border-radius: 2px;
  background: linear-gradient(90deg, var(--green2), var(--green));
}
.barbero-card-actions { display: flex; gap: 8px; margin-top: 14px; }
.barbero-card-actions .btn { flex: 1; }

/* ── PROMOCIONES ───────────────────────────── */
.promos-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 8px;
}
.promo-card {
  border-radius: 14px; padding: 22px;
  position: relative; overflow: hidden;
  border: 1px solid;
}
.promo-card-top {
  display: flex; justify-content: space-between;
  margin-bottom: 10px;
}
.promo-pulse {
  position: absolute; top: 14px; right: 14px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green);
}
.promo-name { font-family: 'Bebas Neue', cursive; font-size: 22px; color: var(--white); letter-spacing: .5px; margin-bottom: 4px; }
.promo-desc { font-size: 14px; color: var(--muted); margin-bottom: 12px; }
.promo-meta {
  display: flex; justify-content: space-between;
  padding: 10px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 14px;
  font-size: 12px; color: var(--muted);
}
.promo-usos { font-family: 'DM Mono', monospace; color: var(--green); }
.promo-actions { display: flex; gap: 8px; }
.promo-actions .btn { flex: 1; }

.mensajes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}
.mensaje-card {
  background: var(--surf); border-radius: 10px; padding: 16px;
  border-left: 3px solid var(--green);
  font-style: italic; font-size: 15px;
  color: var(--muted); line-height: 1.55;
}

/* ── ANALYTICS ─────────────────────────────── */
.barbero-rendimiento {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.barbero-rendimiento:last-child { border-bottom: none; }
.br-emoji { font-size: 22px; }
.br-name  { min-width: 130px; font-weight: 600; }
.br-bar-wrap { flex: 1; }
.br-bar-track { height: 8px; background: var(--border); border-radius: 4px; }
.br-bar-fill  {
  height: 100%; border-radius: 4px;
  background: linear-gradient(90deg, var(--green2), var(--green));
  transition: width .6s ease;
}
.br-cortes { font-family: 'DM Mono', monospace; color: var(--green); min-width: 70px; text-align: right; font-size: 13px; }

/* ── MODALES ───────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.78);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--surf);
  border: 1px solid var(--border);
  border-radius: 16px;
  width: 100%; max-width: 540px;
  max-height: 90vh; overflow-y: auto;
}
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
}
.modal-title {
  font-family: 'Bebas Neue', cursive;
  font-size: 24px; color: var(--white); letter-spacing: 1px;
}
.modal-close {
  background: none; border: none;
  color: var(--muted); font-size: 20px; cursor: pointer;
  line-height: 1; transition: color .2s;
}
.modal-close:hover { color: var(--text); }
.modal-body { padding: 24px; }
.modal-actions {
  display: flex; justify-content: flex-end; gap: 10px;
  margin-top: 20px;
}

/* Form grid */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-field { display: flex; flex-direction: column; gap: 6px; }
.form-field.span-2 { grid-column: span 2; }
.form-label {
  font-size: 12px; letter-spacing: 1px;
  color: var(--muted); text-transform: uppercase;
}

/* Pago buttons */
.pago-btns { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; }
.pago-btn {
  padding: 8px 4px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border);
  background: var(--bg); color: var(--muted);
  font-family: 'Barlow Condensed', sans-serif; font-size: 12px;
  transition: all .2s; text-align: center;
}
.pago-btn:hover { border-color: var(--green); color: var(--text); }
.pago-btn.active {
  border-color: var(--green);
  background: rgba(61,220,104,.15);
  color: var(--green);
}

/* Venta preview */
.venta-preview {
  background: rgba(61,220,104,.08);
  border: 1px solid rgba(61,220,104,.2);
  border-radius: 8px; padding: 12px 16px;
  display: flex; justify-content: space-between; align-items: center;
}
.venta-preview.hidden { display: none; }

/* ── UTILITIES ─────────────────────────────── */
.hidden  { display: none !important; }
.text-green  { color: var(--green); }
.text-gold   { color: var(--gold); }
.text-red    { color: var(--red); }
.text-muted  { color: var(--muted); }
.text-white  { color: var(--white); }
.fw-bold     { font-weight: 700; }

/* ── RESPONSIVE ────────────────────────────── */
@media (max-width: 900px) {
  .chart-row { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field.span-2 { grid-column: span 1; }
  .pago-btns { grid-template-columns: repeat(2,1fr); }
  .kpi-grid  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .sidebar { position: fixed; z-index: 200; }
  .sidebar:not(.collapsed) { box-shadow: 8px 0 40px rgba(0,0,0,.6); }
  .content { padding: 18px; }
  .kpi-grid { grid-template-columns: 1fr 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; gap: 10px; }
}