/* =========================================================
   ESTILOS GLOBALES Y RESET
   ========================================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  height: 100%;
  width: 100%;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-main);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  user-select: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Tipografía */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

p, span, label, small {
  font-family: 'Segoe UI', Roboto, sans-serif;
}

/* Barra de desplazamiento estética y delgada */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-pill);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* =========================================================
   HEADER / BARRA SUPERIOR RESPONSIVA
   ========================================================= */
.app-header {
  height: 64px;
  min-height: 64px;
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  z-index: 100;
  box-shadow: var(--shadow-xs);
  gap: 0.75rem;
}

.brand-section {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-shrink: 0;
  max-width: 250px;
}

.brand-logo {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--primary-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease;
  overflow: hidden;
  flex-shrink: 0;
}

.brand-logo:hover {
  transform: scale(1.05);
}

.brand-logo.has-custom-img {
  background: #ffffff !important;
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 2px;
}

.brand-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: calc(var(--radius-md) - 2px);
  display: block;
}

.brand-info {
  min-width: 0;
  overflow: hidden;
}

.brand-info h1 {
  font-size: 1.05rem;
  font-weight: 800;
  line-height: 1.15;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-info span {
  font-size: 0.72rem;
  color: var(--text-secondary);
  font-weight: 500;
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
  flex: 1;
  min-width: 0;
  justify-content: flex-start;
}

.nav-links::-webkit-scrollbar {
  height: 3px;
}

.nav-links::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.nav-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.4rem 0.6rem;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
}

.nav-btn:hover {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
}

.nav-btn.active {
  background: var(--primary-gradient);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.35);
}

.user-status-section {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

#header-settings-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 700;
  border: 1px solid rgba(0, 123, 255, 0.4);
  color: var(--primary);
  background: rgba(0, 123, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

#header-settings-btn:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-1px);
}

.cash-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-pill);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  transition: all 0.2s ease;
}

.cash-badge.open {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.cash-badge.closed {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.3rem 0.65rem;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-color);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.user-pill:hover {
  border-color: var(--primary);
  background: var(--bg-card-hover);
}

.user-avatar {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-pill);
  background: var(--primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.75rem;
}

/* =========================================================
   CUERPO PRINCIPAL DE LA APLICACIÓN
   ========================================================= */
.app-body {
  flex: 1;
  display: flex;
  position: relative;
  height: calc(100vh - 64px);
  overflow: hidden;
  background: var(--bg-main);
}

.view-container {
  flex: 1;
  display: none;
  height: 100%;
  overflow-y: auto;
  padding: 1.25rem;
  animation: fadeIn 0.2s ease-in-out;
}

.view-container.active {
  display: flex;
  flex-direction: column;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: translateY(0); }
}

/* =========================================================
   MODALES FLUIDOS Y MODERNOS
   ========================================================= */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(11, 19, 43, 0.75);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 580px;
  max-height: 92vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(0.96) translateY(10px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-overlay.active .modal-box {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: 1.15rem 1.4rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-surface-elevated);
}

.modal-header h3 {
  font-size: 1.15rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.35rem;
  cursor: pointer;
  line-height: 1;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}

.modal-close-btn:hover {
  background: var(--danger-bg);
  color: var(--danger);
}

.modal-body {
  padding: 1.35rem;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 1rem 1.35rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  background: var(--bg-surface-elevated);
}

/* =========================================================
   BOTONES Y CONTROLES TOUCH-FRIENDLY
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  font-size: 0.92rem;
  font-weight: 700;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s cubic-bezier(0.16, 1, 0.3, 1);
  user-select: none;
  text-decoration: none;
  line-height: 1.2;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--primary-gradient);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(0, 123, 255, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 16px rgba(0, 123, 255, 0.45);
}

.btn-success {
  background: var(--success);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(40, 167, 69, 0.3);
}

.btn-success:hover {
  background: var(--success-hover);
}

.btn-danger {
  background: var(--danger);
  color: #ffffff;
}

.btn-danger:hover {
  background: var(--danger-hover);
}

.btn-warning {
  background: var(--warning);
  color: #1e293b;
}

.btn-secondary {
  background: var(--bg-surface-elevated);
  color: var(--text-primary);
  border-color: var(--border-color);
}

.btn-secondary:hover {
  background: var(--border-color);
  color: var(--text-primary);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.8rem;
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.85rem 1.5rem;
  font-size: 1.05rem;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* =========================================================
   FORMULARIOS Y CAMPOS DE TEXTO
   ========================================================= */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
}

.form-control {
  width: 100%;
  padding: 0.7rem 0.95rem;
  font-size: 0.95rem;
  font-family: var(--font-family);
  background: var(--bg-input);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: all 0.2s ease;
}

.form-control:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2);
}

/* =========================================================
   TABLAS DE DATOS MODERNAS
   ========================================================= */
.data-table-container {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow-x: auto;
  box-shadow: var(--shadow-xs);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}

.data-table th {
  background: var(--bg-surface-elevated);
  padding: 0.85rem 1rem;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:hover td {
  background: var(--bg-card-hover);
}

/* =========================================================
   BADGES DE ESTADO (Lineamientos Oficiales)
   ========================================================= */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.badge-success {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid rgba(40, 167, 69, 0.3);
}

.badge-warning {
  background: var(--warning-bg);
  color: #d97706;
  border: 1px solid rgba(255, 193, 7, 0.4);
}

.badge-danger {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid rgba(220, 53, 69, 0.3);
}

.badge-info {
  background: var(--info-bg);
  color: var(--primary);
  border: 1px solid rgba(0, 123, 255, 0.3);
}

/* =========================================================
   DASHBOARD & TARJETAS KPI
   ========================================================= */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary);
}

.kpi-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  flex-shrink: 0;
}

.kpi-content h4 {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 0.25rem;
}

.kpi-content .kpi-value {
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.1;
}

/* =========================================================
   BARRAS DE PROGRESO VISUAL (Producción & Reportes)
   ========================================================= */
.progress-bar-container {
  width: 100%;
  height: 8px;
  background: var(--bg-surface-elevated);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-top: 0.35rem;
  position: relative;
}

.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-pill);
  transition: width 0.4s ease;
}

.progress-bar-fill.success { background: var(--success); }
.progress-bar-fill.warning { background: var(--warning); }
.progress-bar-fill.danger { background: var(--danger); }
.progress-bar-fill.primary { background: var(--primary); }

/* =========================================================
   NOTIFICACIONES TOAST
   ========================================================= */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 2000;
  pointer-events: none;
}

.toast {
  background: var(--bg-surface);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.25rem;
  box-shadow: var(--shadow-xl);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 280px;
  animation: slideInUp 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: auto;
  font-weight: 600;
  font-size: 0.9rem;
}

.toast.success { border-left: 5px solid var(--success); }
.toast.error { border-left: 5px solid var(--danger); }
.toast.warning { border-left: 5px solid var(--warning); }
.toast.info { border-left: 5px solid var(--primary); }

@keyframes slideInUp {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

/* =========================================================
   RESPONSIVIDAD Y BREAKPOINTS (Tablets & Móviles)
   ========================================================= */
@media (max-width: 1024px) {
  .app-header {
    padding: 0 0.75rem;
  }
  
  .brand-info span {
    display: none;
  }
}

@media (max-width: 768px) {
  .app-header {
    height: 56px;
    min-height: 56px;
  }
  
  .brand-info h1 {
    font-size: 0.95rem;
  }
  
  .nav-btn span {
    display: none;
  }
  
  .nav-btn {
    padding: 0.45rem 0.65rem;
    font-size: 1rem;
  }
  
  .view-container {
    padding: 0.75rem;
  }
}