:root {
  --primary: #4361ee;
  --primary-dark: #3451cc;
  --primary-light: #5f7bf7;
  --accent: #f59e0b;
  --dark: #1e293b;
  --dark2: #0f172a;
  --card-bg: #fff;
  --sidebar-w: 240px;
  --topbar-h: 60px;
  --gray: #f1f5f9;
  --border: #e2e8f0;
  --text: #1e293b;
  --text-muted: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Segoe UI', system-ui, sans-serif; background: var(--gray); color: var(--text); display: flex; min-height: 100vh; }

/* ── SIDEBAR ── */
.sidebar {
  width: var(--sidebar-w);
  background: var(--dark);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; height: 100vh;
  z-index: 1000;
  transition: width .25s ease;
  overflow: hidden;
}
.sidebar.collapsed { width: 64px; }
.sidebar.collapsed .sidebar-brand span,
.sidebar.collapsed .nav-link span,
.sidebar.collapsed .user-name,
.sidebar.collapsed .user-role { display: none; }
.sidebar.collapsed .user-avatar { margin: 0 auto; }

.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 16px;
  color: #93c5fd;
  font-size: 1.3rem; font-weight: 700;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.sidebar-brand i { font-size: 1.5rem; min-width: 32px; text-align: center; }

.sidebar-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 4px; overflow-y: auto; }
.sidebar-nav .nav-link {
  display: flex; align-items: center; gap: 12px;
  color: rgba(255,255,255,.65); text-decoration: none;
  padding: 10px 12px; border-radius: 8px;
  font-size: .9rem; transition: all .2s;
  white-space: nowrap;
}
.sidebar-nav .nav-link i { min-width: 20px; text-align: center; font-size: 1rem; }
.sidebar-nav .nav-link:hover { background: rgba(255,255,255,.08); color: #fff; }
.sidebar-nav .nav-link.active { background: var(--primary); color: #fff; }

.sidebar-footer {
  padding: 12px 16px;
  border-top: 1px solid rgba(255,255,255,.08);
  display: flex; align-items: center; gap: 8px;
}
.user-info { display: flex; align-items: center; gap: 10px; flex: 1; overflow: hidden; }
.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: .85rem; flex-shrink: 0;
}
.user-name { color: #fff; font-size: .85rem; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.user-role { color: rgba(255,255,255,.45); font-size: .75rem; }
.btn-logout {
  color: rgba(255,255,255,.5); background: none; border: none;
  padding: 6px; border-radius: 6px; cursor: pointer; text-decoration: none;
  transition: all .2s; flex-shrink: 0;
}
.btn-logout:hover { color: var(--danger); background: rgba(231,76,60,.15); }

/* ── MAIN ── */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1; display: flex; flex-direction: column;
  min-height: 100vh; transition: margin-left .25s ease;
}
.main-content.expanded { margin-left: 64px; }

.topbar {
  height: var(--topbar-h); background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 16px;
  padding: 0 24px; position: sticky; top: 0; z-index: 100;
}
.btn-toggle-sidebar {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 1.1rem; padding: 6px;
  border-radius: 6px; transition: all .2s;
}
.btn-toggle-sidebar:hover { background: var(--gray); color: var(--primary); }
.page-title { font-size: 1.1rem; font-weight: 600; color: var(--text); margin: 0; }

.content-body { padding: 24px; flex: 1; }

/* ── CARDS ── */
.card { background: #fff; border-radius: 12px; border: 1px solid var(--border); box-shadow: 0 1px 4px rgba(0,0,0,.06); }
.card-header { padding: 16px 20px; border-bottom: 1px solid var(--border); font-weight: 600; display: flex; align-items: center; gap: 8px; }
.card-body { padding: 20px; }

/* ── STAT CARDS ── */
.stat-card {
  background: #fff; border-radius: 12px; padding: 20px;
  border: 1px solid var(--border); display: flex; align-items: center; gap: 16px;
}
.stat-icon {
  width: 52px; height: 52px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem;
}
.stat-icon.red { background: rgba(67,97,238,.12); color: var(--primary); }
.stat-icon.green { background: rgba(16,185,129,.12); color: var(--success); }
.stat-icon.orange { background: rgba(245,158,11,.12); color: var(--accent); }
.stat-icon.blue { background: rgba(59,130,246,.12); color: var(--info); }
.stat-value { font-size: 1.6rem; font-weight: 700; color: var(--text); line-height: 1; }
.stat-label { font-size: .8rem; color: var(--text-muted); margin-top: 4px; }

/* ── MESAS GRID ── */
.mesas-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 16px; }
.mesa-card {
  background: #fff; border-radius: 12px; border: 2px solid var(--border);
  padding: 20px 12px; text-align: center; cursor: pointer;
  transition: all .2s; text-decoration: none; color: var(--text);
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.mesa-card:hover { transform: translateY(-2px); box-shadow: 0 4px 16px rgba(0,0,0,.12); }
.mesa-card.libre { border-color: var(--success); }
.mesa-card.libre .mesa-icon { color: var(--success); }
.mesa-card.ocupada { border-color: var(--primary); background: rgba(67,97,238,.04); }
.mesa-card.ocupada .mesa-icon { color: var(--primary); }
.mesa-card.pagando { border-color: var(--warning); background: rgba(243,156,18,.04); }
.mesa-card.pagando .mesa-icon { color: var(--warning); }
.mesa-icon { font-size: 2rem; }
.mesa-num { font-size: 1.4rem; font-weight: 700; }
.mesa-estado { font-size: .75rem; text-transform: uppercase; letter-spacing: .5px; }
.mesa-card.libre .mesa-estado { color: var(--success); }
.mesa-card.ocupada .mesa-estado { color: var(--primary); }
.mesa-card.pagando .mesa-estado { color: var(--warning); }

/* ── ORDEN (mesero) ── */
.productos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 12px; }
.producto-btn {
  background: #fff; border: 1.5px solid var(--border); border-radius: 10px;
  padding: 14px 10px; text-align: center; cursor: pointer;
  transition: all .2s; display: flex; flex-direction: column; gap: 6px;
  align-items: center;
}
.producto-btn:hover { border-color: var(--primary); background: rgba(67,97,238,.04); transform: translateY(-1px); }
.producto-btn .prod-name { font-size: .85rem; font-weight: 600; color: var(--text); }
.producto-btn .prod-price { font-size: 1rem; font-weight: 700; color: var(--primary); }
.producto-btn .prod-cat { font-size: .72rem; color: var(--text-muted); }

.orden-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 0; border-bottom: 1px solid var(--border);
}
.orden-item:last-child { border-bottom: none; }
.item-name { flex: 1; font-size: .9rem; font-weight: 500; }
.item-qty { display: flex; align-items: center; gap: 6px; }
.btn-qty {
  width: 28px; height: 28px; border-radius: 6px;
  border: 1.5px solid var(--border); background: #fff;
  cursor: pointer; font-size: .9rem; display: flex;
  align-items: center; justify-content: center; transition: all .2s;
}
.btn-qty:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.qty-num { font-weight: 700; min-width: 20px; text-align: center; }
.item-price { font-weight: 600; color: var(--primary); min-width: 70px; text-align: right; }
.btn-rm { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: .9rem; transition: color .2s; }
.btn-rm:hover { color: var(--danger); }

/* ── COCINA ── */
.cocina-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }
.orden-ticket {
  background: #fff; border-radius: 12px; border: 2px solid var(--border);
  overflow: hidden;
}
.ticket-header {
  padding: 12px 16px; display: flex; align-items: center;
  justify-content: space-between; border-bottom: 1px solid var(--border);
}
.ticket-mesa { font-size: 1.1rem; font-weight: 700; }
.ticket-tiempo { font-size: .78rem; color: var(--text-muted); }
.ticket-body { padding: 12px 16px; }
.ticket-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 7px 0; border-bottom: 1px solid var(--border); gap: 8px;
}
.ticket-item:last-child { border-bottom: none; }
.ti-name { font-size: .88rem; }
.ti-qty { font-weight: 700; color: var(--primary); font-size: .9rem; }
.badge-estado {
  font-size: .72rem; padding: 3px 8px; border-radius: 20px;
  font-weight: 600; text-transform: uppercase;
}
.badge-pendiente { background: rgba(243,156,18,.15); color: var(--warning); }
.badge-preparando { background: rgba(41,128,185,.15); color: var(--info); }
.badge-listo { background: rgba(39,174,96,.15); color: var(--success); }

/* ── CAJERO ── */
.cajero-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 16px; }
.cobro-card { background: #fff; border-radius: 12px; border: 1px solid var(--border); overflow: hidden; }
.cobro-header {
  padding: 14px 18px; background: var(--dark);
  display: flex; align-items: center; justify-content: space-between;
  color: #fff;
}
.cobro-mesa { font-size: 1.1rem; font-weight: 700; }
.cobro-body { padding: 16px 18px; }
.cobro-item { display: flex; justify-content: space-between; padding: 5px 0; font-size: .88rem; }
.cobro-total {
  display: flex; justify-content: space-between;
  padding: 12px 0 0; margin-top: 8px;
  border-top: 2px solid var(--border);
  font-weight: 700; font-size: 1rem;
}
.cobro-footer { padding: 12px 18px; border-top: 1px solid var(--border); }

/* ── TABLAS ADMIN ── */
.table-wrapper { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
thead th { background: var(--gray); padding: 10px 14px; font-size: .82rem; text-transform: uppercase; letter-spacing: .5px; color: var(--text-muted); border-bottom: 2px solid var(--border); text-align: left; }
tbody td { padding: 12px 14px; border-bottom: 1px solid var(--border); font-size: .88rem; vertical-align: middle; }
tbody tr:hover { background: rgba(0,0,0,.02); }

/* ── BOTONES ── */
.btn-primary-custom { background: var(--primary); border: none; color: #fff; padding: 9px 20px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: all .2s; font-size: .88rem; }
.btn-primary-custom:hover { background: var(--primary-dark); }
.btn-success-custom { background: var(--success); border: none; color: #fff; padding: 9px 20px; border-radius: 8px; font-weight: 600; cursor: pointer; transition: all .2s; font-size: .88rem; }
.btn-success-custom:hover { background: #219a52; }
.btn-warning-custom { background: var(--warning); border: none; color: #fff; padding: 7px 14px; border-radius: 7px; font-weight: 600; cursor: pointer; transition: all .2s; font-size: .82rem; }
.btn-danger-custom { background: var(--danger); border: none; color: #fff; padding: 7px 14px; border-radius: 7px; font-weight: 600; cursor: pointer; transition: all .2s; font-size: .82rem; }
.btn-sm-custom { padding: 5px 10px; font-size: .8rem; }

/* ── LOGIN ── */
.login-page { min-height: 100vh; width: 100%; background: linear-gradient(135deg, #0f172a 0%, #4361ee 100%); display: flex; align-items: center; justify-content: center; }
.login-card { background: #fff; border-radius: 16px; padding: 40px; width: 100%; max-width: 400px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo i { font-size: 3rem; color: var(--primary); }
.login-logo h1 { font-size: 1.6rem; font-weight: 700; color: var(--text); margin-top: 8px; }
.login-logo p { color: var(--text-muted); font-size: .88rem; }
.form-label { font-size: .85rem; font-weight: 600; color: var(--text); margin-bottom: 6px; display: block; }
.form-control { width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: 8px; font-size: .9rem; transition: border-color .2s; outline: none; }
.form-control:focus { border-color: var(--primary); }
.form-group { margin-bottom: 18px; }
.btn-login { width: 100%; background: var(--primary); color: #fff; border: none; padding: 12px; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: background .2s; }
.btn-login:hover { background: var(--primary-dark); }
.alert-error { background: rgba(231,76,60,.1); border: 1px solid rgba(231,76,60,.3); color: var(--danger); padding: 10px 14px; border-radius: 8px; margin-bottom: 16px; font-size: .88rem; }

/* ── BADGE ROLES ── */
.role-badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: .75rem; font-weight: 600; }
.role-admin { background: rgba(67,97,238,.12); color: var(--primary); }
.role-gerente { background: rgba(142,68,173,.12); color: #8e44ad; }
.role-cajero { background: rgba(16,185,129,.12); color: var(--success); }
.role-mesero { background: rgba(59,130,246,.12); color: var(--info); }
.role-cocina { background: rgba(245,158,11,.12); color: var(--accent); }

/* ── MISC ── */
.section-title { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.empty-state i { font-size: 3rem; margin-bottom: 12px; opacity: .4; display: block; }
.pulse { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ── MODAL ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 2000; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal-box { background: #fff; border-radius: 14px; width: 100%; max-width: 480px; max-height: 90vh; overflow-y: auto; }
.modal-box .modal-head { padding: 16px 20px; border-bottom: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 1rem; }
.modal-box .modal-body { padding: 20px; }
.modal-box .modal-foot { padding: 14px 20px; border-top: 1px solid var(--border); display: flex; gap: 8px; justify-content: flex-end; }
.btn-close-modal { background: none; border: none; font-size: 1.2rem; cursor: pointer; color: var(--text-muted); }

.filter-bar { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.filter-btn { padding: 6px 14px; border-radius: 20px; border: 1.5px solid var(--border); background: #fff; cursor: pointer; font-size: .82rem; font-weight: 600; transition: all .2s; }
.filter-btn.active, .filter-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ── BADGE ESTADOS extra ── */
.badge-activa { background: rgba(41,128,185,.15); color: var(--info); }
.badge-en_cocina { background: rgba(243,156,18,.15); color: var(--warning); }
.badge-lista { background: rgba(39,174,96,.15); color: var(--success); }
.badge-pagada { background: rgba(39,174,96,.12); color: var(--success); }
.badge-cancelada { background: rgba(231,76,60,.12); color: var(--danger); }

/* ── RECIBO MODAL ── */
#reciboContenido { line-height: 1.55; }
#reciboContenido div { word-break: break-word; }

/* ── CAJA SESION banner ── */
#cajaCerradaBanner .card { border: 2px dashed var(--border); }

/* ── COBRO CARD IVA line ── */
.cobro-item.iva-line { font-size: .85rem; color: var(--accent); }

@media (max-width: 768px) {
  .sidebar { width: 64px; }
  .sidebar .sidebar-brand span, .sidebar .nav-link span, .sidebar .user-name, .sidebar .user-role { display: none; }
  .main-content { margin-left: 64px; }
  .mesas-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
  .cocina-grid, .cajero-grid { grid-template-columns: 1fr; }
}