/* ==========================================================================
   SISTEMA DE DISEÑO PREMIUM - POWERLIFT COLOMBIA S.A.S. (FASE 2)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&display=swap');

:root {
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Colores Corporativos Powerlift */
  --color-primary: #087662;
  --color-primary-dark: #155C4F;
  --color-primary-light: #e0f2f0;
  --color-neutral-dark: #2F3437;
  --color-neutral-light: #F4F6F6;
  
  /* Estados */
  --color-success: #10b981;
  --color-success-light: #d1fae5;
  --color-warning: #f59e0b;
  --color-warning-light: #fef3c7;
  --color-danger: #ef4444;
  --color-danger-light: #fee2e2;
  --color-info: #3b82f6;
  --color-info-light: #dbeafe;
  --color-whatsapp: #25d366;
  --color-whatsapp-light: #d2f8df;

  /* Colores de Fondo y Texto */
  --bg-app: #f7f9fa;
  --bg-sidebar: #2F3437;
  --bg-card: #ffffff;
  --bg-header: #ffffff;
  --bg-input: #ffffff;
  --border-color: #e2e8f0;
  
  --text-main: #2d3748;
  --text-muted: #718096;
  --text-inverse: #ffffff;
  
  /* Sombras */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
  
  --border-radius: 12px;
  --transition-speed: 0.3s;
}

.dark-theme {
  --bg-app: #121415;
  --bg-sidebar: #1a1c1d;
  --bg-card: #1d2122;
  --bg-header: #1d2122;
  --bg-input: #272d2f;
  --border-color: #2f3638;
  
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --text-inverse: #121415;
  
  --color-primary-light: #155C4F;
  --glass-bg: rgba(29, 33, 34, 0.85);
  --glass-border: rgba(47, 54, 56, 0.8);
}

/* RESETS Y ESTILOS BASE */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--text-main);
  overflow-x: hidden;
  transition: background-color var(--transition-speed), color var(--transition-speed);
}

a {
  text-decoration: none;
  color: inherit;
}

button, input, select, textarea {
  font-family: inherit;
  outline: none;
}

/* LAYOUT GENERAL */
.app-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: 70px 1fr;
  grid-template-areas: 
    "sidebar header"
    "sidebar main";
  height: 100vh;
  width: 100vw;
}

/* SIDEBAR */
.sidebar {
  grid-area: sidebar;
  background-color: var(--bg-sidebar);
  color: #ffffff;
  display: flex;
  flex-direction: column;
  padding: 20px 0;
  z-index: 100;
  box-shadow: 2px 0 10px rgba(0,0,0,0.1);
  overflow-y: auto;
  transition: transform var(--transition-speed) ease;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px 24px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.logo-icon {
  color: var(--color-success);
  width: 32px;
  height: 32px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #ffffff;
}

.logo-subtext {
  color: var(--color-success);
  font-weight: 500;
}

.nav-menu {
  list-style: none;
  margin-top: 20px;
  flex-grow: 1;
}

.nav-item {
  padding: 2px 16px;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: #cbd5e1;
  transition: all var(--transition-speed);
  cursor: pointer;
}

.nav-link:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: #ffffff;
}

.nav-item.active .nav-link {
  background-color: var(--color-primary);
  color: #ffffff;
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.8rem;
  color: #94a3b8;
}

/* HEADER SUPERIOR */
.header {
  grid-area: header;
  background-color: var(--bg-header);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 30px;
  z-index: 90;
  box-shadow: var(--shadow-sm);
  transition: background-color var(--transition-speed);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 20px;
}

.menu-burger {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.5rem;
  cursor: pointer;
}

.search-bar {
  display: flex;
  align-items: center;
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: 20px;
  width: 320px;
  gap: 10px;
}

.search-bar input {
  background: none;
  border: none;
  color: var(--text-main);
  width: 100%;
  font-size: 0.9rem;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 24px;
}

/* Selector de Roles Especial */
.role-selector-container {
  display: flex;
  align-items: center;
  gap: 8px;
  background-color: var(--color-primary-light);
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--color-primary);
}

.role-icon {
  color: var(--color-primary);
  width: 18px;
  height: 18px;
}

.role-selector {
  background: none;
  border: none;
  color: var(--color-primary-dark);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
}

.notification-bell {
  position: relative;
  cursor: pointer;
  color: var(--text-muted);
  transition: color var(--transition-speed);
}

.notification-bell:hover {
  color: var(--text-main);
}

.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--color-danger);
  color: white;
  font-size: 0.65rem;
  padding: 2px 6px;
  border-radius: 10px;
  font-weight: bold;
}

.theme-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: color var(--transition-speed);
}

.theme-toggle:hover {
  color: var(--text-main);
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1rem;
}

.user-info {
  display: flex;
  flex-direction: column;
}

.user-name {
  font-size: 0.9rem;
  font-weight: 600;
}

.user-role {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* CONTENIDO PRINCIPAL */
.main-content {
  grid-area: main;
  padding: 30px;
  overflow-y: auto;
  background-color: var(--bg-app);
}

/* MÓDULOS */
.view-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.view-title h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-main);
}

.view-title p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.view-actions {
  display: flex;
  gap: 12px;
}

/* Botones */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-speed);
  border: none;
}

.btn-primary { background-color: var(--color-primary); color: #ffffff; }
.btn-primary:hover { background-color: var(--color-primary-dark); }
.btn-secondary { background-color: var(--bg-card); border: 1px solid var(--border-color); color: var(--text-main); }
.btn-secondary:hover { background-color: var(--color-neutral-light); }
.btn-success { background-color: var(--color-success); color: white; }
.btn-success:hover { background-color: #059669; }
.btn-danger { background-color: var(--color-danger); color: white; }
.btn-danger:hover { background-color: #dc2626; }
.btn-icon { padding: 8px; border-radius: 6px; }

/* FILTROS */
.filters-panel {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 18px;
  border-radius: var(--border-radius);
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
}

.filter-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1 1 150px;
}

.filter-group label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
}

.filter-control {
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--text-main);
  font-size: 0.85rem;
}

/* CARDS KPI */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
  margin-bottom: 30px;
}

.kpi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-speed), box-shadow var(--transition-speed);
}

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

.kpi-header {
  display: flex;
  justify-content: space-between;
  color: var(--text-muted);
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.kpi-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 6px;
}

.kpi-trend {
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  gap: 4px;
}

.trend-up { color: var(--color-success); }
.trend-down { color: var(--color-danger); }

.kpi-icon-wrapper {
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* GRÁFICOS */
.charts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 24px;
  margin-bottom: 30px;
}

.chart-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.chart-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.chart-container {
  position: relative;
  height: 320px;
  width: 100%;
}

/* TABLAS PREMIUM */
.table-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  margin-bottom: 30px;
}

.table-responsive {
  overflow-x: auto;
  width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

th {
  background-color: var(--bg-app);
  color: var(--text-muted);
  font-weight: 600;
  padding: 14px 20px;
  border-bottom: 1px solid var(--border-color);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.5px;
}

td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-main);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background-color: rgba(0, 0, 0, 0.01); }
.dark-theme tr:hover td { background-color: rgba(255, 255, 255, 0.01); }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success { background-color: var(--color-success-light); color: var(--color-success); }
.badge-warning { background-color: var(--color-warning-light); color: var(--color-warning); }
.badge-danger { background-color: var(--color-danger-light); color: var(--color-danger); }
.badge-info { background-color: var(--color-info-light); color: var(--color-info); }
.badge-whatsapp { background-color: var(--color-whatsapp-light); color: var(--color-whatsapp); }

/* KANBAN OPORTUNIDADES */
.kanban-board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  overflow-x: auto;
  min-height: 500px;
  padding-bottom: 20px;
}

.kanban-column {
  background-color: var(--bg-app);
  border-radius: var(--border-radius);
  padding: 16px;
  border: 1px dashed var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-width: 230px;
}

.kanban-column-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.column-title {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
}

.column-count {
  background-color: var(--border-color);
  color: var(--text-main);
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 0.75rem;
  font-weight: 600;
}

.kanban-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  box-shadow: var(--shadow-sm);
  cursor: grab;
  transition: all var(--transition-speed);
}

.kanban-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.kanban-card-title { font-weight: 600; font-size: 0.9rem; margin-bottom: 6px; }
.kanban-card-client { font-size: 0.8rem; color: var(--text-muted); margin-bottom: 12px; }
.kanban-card-footer { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-color); padding-top: 10px; margin-top: 10px; font-size: 0.8rem; }
.kanban-card-value { font-weight: 700; color: var(--color-primary); }

/* MODALES */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0,0,0,0.5);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(4px);
}

.modal-overlay.active { display: flex; }

.modal-content {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  width: 90%;
  max-width: 750px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
}

.modal-header { padding: 20px 24px; border-bottom: 1px solid var(--border-color); display: flex; justify-content: space-between; align-items: center; }
.modal-title { font-size: 1.25rem; font-weight: 700; }
.modal-close { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 1.25rem; }
.modal-body { padding: 24px; overflow-y: auto; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border-color); display: flex; justify-content: flex-end; gap: 12px; }

/* FORMULARIOS */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-group-full { grid-column: span 2; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.form-control { background-color: var(--bg-input); border: 1px solid var(--border-color); padding: 10px 14px; border-radius: 6px; color: var(--text-main); font-size: 0.9rem; transition: border-color var(--transition-speed); }
.form-control:focus { border-color: var(--color-primary); }
input[type="file"].form-control { padding: 6px 12px; height: auto; cursor: pointer; }

/* COTIZADOR */
.quote-builder-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; }
.builder-products { display: flex; flex-direction: column; gap: 16px; }
.builder-product-row { display: flex; gap: 12px; align-items: flex-end; background-color: var(--bg-app); padding: 16px; border-radius: 8px; border: 1px solid var(--border-color); }
.quote-summary-card { background-color: var(--bg-card); border: 1px solid var(--border-color); padding: 24px; border-radius: var(--border-radius); height: fit-content; }
.summary-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px dashed var(--border-color); font-size: 0.9rem; }
.summary-row.total { border-bottom: none; font-weight: 800; font-size: 1.15rem; color: var(--color-primary); }

/* AGENDA Y CALENDARIO */
.calendar-grid { display: grid; grid-template-columns: 7fr 3fr; gap: 24px; }
.calendar-month { background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 24px; }
.calendar-days-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; margin-top: 16px; }
.calendar-header-day { text-align: center; font-weight: 700; color: var(--text-muted); font-size: 0.8rem; padding-bottom: 8px; }
.calendar-day-cell { aspect-ratio: 1.2; border: 1px solid var(--border-color); border-radius: 6px; padding: 6px; display: flex; flex-direction: column; gap: 4px; background-color: var(--bg-app); cursor: pointer; }
.calendar-day-number { font-size: 0.8rem; font-weight: 700; }
.calendar-event-pill { font-size: 0.65rem; padding: 2px 4px; border-radius: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-weight: 600; color: white; }

/* LÍNEA DE TIEMPO */
.timeline { display: flex; justify-content: space-between; position: relative; margin: 30px 0; padding: 0 40px; }
.timeline::before { content: ''; position: absolute; top: 15px; left: 60px; right: 60px; height: 3px; background-color: var(--border-color); z-index: 1; }
.timeline-step { display: flex; flex-direction: column; align-items: center; position: relative; z-index: 2; }
.timeline-node { width: 32px; height: 32px; border-radius: 50%; background-color: var(--border-color); border: 4px solid var(--bg-card); display: flex; align-items: center; justify-content: center; transition: all var(--transition-speed); }
.timeline-step.active .timeline-node { background-color: var(--color-primary); border-color: var(--color-primary-light); }
.timeline-step.completed .timeline-node { background-color: var(--color-success); border-color: var(--color-success-light); }
.timeline-label { font-size: 0.75rem; font-weight: 600; margin-top: 8px; text-align: center; }

/* TOAST NOTIFICACIONES */
.toast-container { position: fixed; bottom: 24px; right: 24px; z-index: 2000; display: flex; flex-direction: column; gap: 12px; width: 360px; max-width: 90vw; }
.toast { background-color: var(--bg-card); border-left: 5px solid var(--color-info); border-radius: 8px; padding: 16px; box-shadow: var(--shadow-lg); display: flex; flex-direction: column; gap: 6px; transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.toast-header { display: flex; align-items: center; gap: 8px; }
.toast-icon { width: 18px; height: 18px; }
.toast-title { font-weight: 700; font-size: 0.9rem; flex-grow: 1; }
.toast-time { font-size: 0.75rem; color: var(--text-muted); }
.toast-body { font-size: 0.8rem; color: var(--text-muted); line-height: 1.4; }
.toast-success { border-left-color: var(--color-success); }
.toast-warning { border-left-color: var(--color-warning); }
.toast-danger { border-left-color: var(--color-danger); }
.toast-whatsapp { border-left-color: var(--color-whatsapp); }

/* BARRA DE NAVEGACIÓN INFERIOR (MÓVIL) */
.bottom-nav { display: none; position: fixed; bottom: 0; left: 0; right: 0; background-color: var(--bg-header); border-top: 1px solid var(--border-color); height: 65px; z-index: 500; box-shadow: 0 -2px 10px rgba(0,0,0,0.05); }
.bottom-nav-menu { display: flex; height: 100%; list-style: none; align-items: center; justify-content: space-around; }
.bottom-nav-item { flex: 1; text-align: center; }
.bottom-nav-link { display: flex; flex-direction: column; align-items: center; font-size: 0.7rem; font-weight: 500; color: var(--text-muted); gap: 4px; }
.bottom-nav-item.active .bottom-nav-link { color: var(--color-primary); font-weight: 700; }

/* ==========================================================================
   ESTILOS ADICIONALES PARA FASE 2
   ========================================================================== */

/* Matriz de Permisos (Módulo 8) */
.matrix-table {
  width: 100%;
  border-collapse: collapse;
}

.matrix-table th {
  background-color: var(--color-primary-light);
  color: var(--color-primary-dark);
  font-weight: 700;
  text-align: center;
}

.matrix-table td {
  text-align: center;
  padding: 10px 14px;
}

.matrix-table tr:nth-child(even) {
  background-color: var(--bg-app);
}

.matrix-checkbox {
  width: 18px;
  height: 18px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Licitaciones (Módulo 7) */
.licitacion-box {
  background-color: var(--bg-app);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 18px;
  margin-top: 16px;
  animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Backups (Módulo 10) */
.backup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 20px;
}

.backup-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

/* Fichas de Comerciales (Módulo 1) */
.user-admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}

.user-admin-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 16px;
}

.user-admin-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-primary);
  background-color: var(--color-primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.5rem;
}

.user-admin-info {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.user-admin-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.user-admin-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--border-color);
}

/* RESPONSIVIDAD */
@media (max-width: 992px) {
  .app-container { grid-template-columns: 1fr; grid-template-areas: "header" "main"; }
  .sidebar { display: none; position: fixed; top: 70px; left: 0; bottom: 0; width: 260px; z-index: 150; transform: translateX(-100%); }
  .sidebar.active { display: flex; transform: translateX(0); }
  .menu-burger { display: block; }
  
  .configurador-layout,
  .references-manager-layout,
  .pricing-simulator-layout,
  .admin-catalog-layout {
    grid-template-columns: 1fr !important;
  }
}

@media (max-width: 768px) {
  .main-content { padding: 16px; padding-bottom: 80px; }
  .bottom-nav { display: block; }
  .search-bar { width: 180px; }
  .charts-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-group-full { grid-column: span 1; }
  .quote-builder-grid { grid-template-columns: 1fr; }
  .calendar-grid { grid-template-columns: 1fr; }

  /* TRANSFORMAR TABLAS EN TARJETAS */
  .responsive-table { display: block; width: 100%; }
  .responsive-table thead { display: none; }
  .responsive-table tbody, .responsive-table tr, .responsive-table td { display: block; width: 100%; }
  
  .responsive-table tr {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 12px;
    margin-bottom: 16px;
    box-shadow: var(--shadow-sm);
  }

  .responsive-table td {
    border-bottom: 1px dashed var(--border-color);
    padding: 8px 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    text-align: right;
  }

  .responsive-table td:last-child { border-bottom: none; }
  .responsive-table td::before { content: attr(data-label); float: left; font-weight: 700; color: var(--text-muted); text-align: left; padding-right: 10px; }

  /* iOS Style glassmorphism Top Toasts */
  .toast-container {
    top: 16px !important;
    bottom: auto !important;
    left: 50% !important;
    transform: translateX(-50%) !important;
    right: auto !important;
    width: 90% !important;
    max-width: 400px !important;
  }
  .toast {
    backdrop-filter: blur(10px) !important;
    background-color: rgba(255, 255, 255, 0.85) !important;
    border-radius: 16px !important;
    border-left: 6px solid var(--color-info) !important;
    box-shadow: 0 8px 32px rgba(0,0,0,0.15) !important;
  }
  body.dark-theme .toast {
    background-color: rgba(18, 30, 41, 0.85) !important;
  }

  /* Bottom sheet style modals on Mobile */
  .modal-overlay {
    align-items: flex-end !important;
  }
  .modal-content {
    width: 100% !important;
    max-width: 100% !important;
    border-radius: 24px 24px 0 0 !important;
    max-height: 85vh !important;
    margin-bottom: 0 !important;
    animation: slideUp 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
  }
  }

  /* Optimización de Formularios y Controles en Móvil */
  .form-control, 
  .form-select, 
  select, 
  input, 
  textarea {
    font-size: 16px !important; /* Previene auto-zoom de iOS */
    padding: 12px 14px !important;
    height: auto !important;
    min-height: 44px !important;
  }
  
  .form-group label {
    font-size: 0.85rem !important;
    font-weight: 700 !important;
    margin-bottom: 6px !important;
    display: inline-block;
  }
  
  .form-group {
    margin-bottom: 18px !important;
  }

  /* Forzar a una sola columna todas las rejillas de formularios en móvil */
  .modal-body div[style*="grid-template-columns"],
  .modal-body form[style*="grid-template-columns"],
  .form-grid,
  .quote-builder-grid {
    grid-template-columns: 1fr !important;
    gap: 15px !important;
  }

  .btn {
    min-height: 44px !important;
    font-size: 0.9rem !important;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
  }
}

/* IMPRESIÓN */
@media print {
  body.printing-active { background-color: white !important; color: black !important; }
  .sidebar, .header, .bottom-nav, .view-actions, .filters-panel, .toast-container, .modal-overlay:not(.active) { display: none !important; }
  .app-container { display: block !important; height: auto !important; }
  .main-content { padding: 0 !important; margin: 0 !important; overflow: visible !important; }
  .print-target { display: block !important; position: absolute; top: 0; left: 0; width: 100%; border: none !important; box-shadow: none !important; padding: 0 !important; }
}

/* Animaciones */
.slide-in { animation: slideIn 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards; }
@keyframes slideIn { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }
.fade-out { animation: fadeOut 0.5s ease forwards; }
@keyframes fadeOut { from { opacity: 1; } to { opacity: 0; } }

/* Pantalla de Login Premium (Solicitud 2) */
.login-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at top left, rgba(8, 118, 98, 0.15), rgba(15, 23, 42, 0.95));
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.4s ease;
}

.login-overlay.active {
  display: flex;
}

.login-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  width: 90%;
  max-width: 420px;
  padding: 40px;
  animation: loginScale 0.4s cubic-bezier(0.165, 0.84, 0.44, 1) forwards;
}

.login-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 24px;
}

.login-card .form-control {
  border-radius: 8px;
  font-size: 0.95rem;
  border: 1px solid var(--border-color);
  background-color: var(--bg-input);
  color: var(--text-main);
  transition: border-color 0.25s, box-shadow 0.25s;
}

.login-card .form-control:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(8, 118, 98, 0.15);
}

@keyframes loginScale {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

/* Vibración de error */
.shake-error {
  animation: shake 0.4s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}