/**
 * AGENDA OPERATIVA EVA - LIGHT MODE PROFESIONAL v4.0
 * Ergonomía cognitiva + Elegancia + Claridad
 */

/* ==================== VARIABLES BASE ==================== */
:root {
  /* FONDOS - Light mode suave, NO blanco puro */
  --bg-app: #F7F6F3;            /* Fondo principal (hueso cálido) */
  --bg-card: #FFFFFF;           /* Cards (blanco puro para contraste) */
  --bg-hover: #F9FAFB;          /* Hover states (gris muy claro) */
  --bg-elevated: #FFFFFF;       /* Modales y elementos flotantes */
  
  /* TEXTOS - Oscuros pero NO negro puro */
  --text-primary: #1F2933;      /* Texto principal (casi negro) */
  --text-secondary: #52606D;    /* Texto secundario */
  --text-tertiary: #7B8794;     /* Labels y metadata */
  --text-muted: #9AA5B1;        /* Texto muy tenue */
  
  /* GALIA BELLEZA - Violeta elegante */
  --galia-primary: #6B5AED;
  --galia-light: #9B8AFB;
  --galia-bg: rgba(107, 90, 237, 0.08);
  
  /* YAWEBS - Naranja profesional */
  --yawebs-primary: #E07A2F;
  --yawebs-light: #F59E0B;
  --yawebs-bg: rgba(224, 122, 47, 0.08);
  
  /* GESTOR - Azul corporativo */
  --gestor-primary: #2563EB;
  --gestor-light: #60A5FA;
  --gestor-bg: rgba(37, 99, 235, 0.08);
  
  /* CASA - Verde hogareño */
  --casa-primary: #059669;
  --casa-light: #34D399;
  --casa-bg: rgba(5, 150, 105, 0.08);
  
  /* AMBAS - Gradiente */
  --ambas-primary: linear-gradient(135deg, #6B5AED, #E07A2F);
  --ambas-bg: rgba(107, 90, 237, 0.05);
  
  /* ESTADOS - Funcionales */
  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;
  --info: #3B82F6;
  
  --success-bg: rgba(16, 185, 129, 0.08);
  --warning-bg: rgba(245, 158, 11, 0.08);
  --error-bg: rgba(239, 68, 68, 0.08);
  
  /* BORDES Y SEPARADORES - Sutiles */
  --border-main: #E4E7EB;
  --border-subtle: #F1F3F5;
  --border-separator: #D1D5DB;
  
  /* SOMBRAS - Muy suaves */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  
  /* ESPACIADO - Mucho aire */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* RADIOS - Suaves */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

/* ==================== RESET Y BASE ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', sans-serif;
  background: var(--bg-app);
  color: var(--text-secondary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ==================== HEADER ==================== */
.app-header {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-main);
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.app-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin: 0;
}

.app-subtitle {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  margin-top: var(--spacing-xs);
  font-weight: 400;
}

/* ==================== NAVEGACIÓN ==================== */
.nav-tabs {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
  border-bottom: 2px solid var(--border-main);
  padding-bottom: 2px;
}

.nav-tab {
  padding: var(--spacing-sm) var(--spacing-lg);
  background: transparent !important;
  border: none;
  color: var(--text-tertiary) !important;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
}

.nav-tab:hover {
  color: var(--text-secondary) !important;
  background: var(--bg-hover) !important;
}

.nav-tab.active {
  color: var(--text-primary) !important;
  background: transparent !important;
}

.nav-tab.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--galia-primary), var(--yawebs-primary));
  border-radius: 2px 2px 0 0;
}

/* ==================== FILTROS DE MARCA ==================== */
.filters {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.filter-brand {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--bg-card) !important;
  border: 1px solid var(--border-main);
  color: var(--text-tertiary) !important;
  cursor: pointer;
  font-weight: 500;
  font-size: 0.875rem;
  border-radius: var(--radius-md);
  transition: all 0.2s ease;
}

.filter-brand:hover {
  background: var(--bg-hover) !important;
  border-color: var(--border-separator);
}

.filter-brand.active {
  background: var(--bg-card) !important;
  color: var(--text-primary) !important;
  border-color: var(--border-separator);
  box-shadow: var(--shadow-sm);
}

.filter-brand[data-brand="galia"].active {
  border-color: var(--galia-primary);
  color: var(--galia-primary) !important;
  background: var(--galia-bg) !important;
}

.filter-brand[data-brand="yawebs"].active {
  border-color: var(--yawebs-primary);
  color: var(--yawebs-primary) !important;
  background: var(--yawebs-bg) !important;
}

.filter-brand[data-brand="gestor"].active {
  border-color: var(--gestor-primary);
  color: var(--gestor-primary) !important;
  background: var(--gestor-bg) !important;
}

.filter-brand[data-brand="casa"].active {
  border-color: var(--casa-primary);
  color: var(--casa-primary) !important;
  background: var(--casa-bg) !important;
}

/* ==================== CONTENEDOR PRINCIPAL ==================== */
#app-content {
  padding: var(--spacing-2xl) var(--spacing-xl);
  max-width: 1400px;
  margin: 0 auto;
}

/* ==================== TOP 3 PRIORIDADES ==================== */
.top3-zone {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
  box-shadow: var(--shadow-md);
}

.section-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--spacing-xl);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.section-title i {
  color: var(--warning);
  font-size: 1rem;
}

.top3-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.top3-empty {
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  padding: var(--spacing-2xl);
  text-align: center;
  background: var(--bg-hover);
  border-radius: var(--radius-md);
  border: 2px dashed var(--border-main);
}

/* ==================== ESTADÍSTICAS ==================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-2xl);
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: var(--spacing-xl);
  transition: all 0.2s ease;
}

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

.stat-label {
  font-size: 0.8125rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-card.success .stat-value {
  color: var(--success);
}

.stat-card.warning .stat-value {
  color: var(--warning);
}

/* ==================== SECCIONES DE TAREAS ==================== */
.task-section {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  margin-bottom: var(--spacing-xl);
}

.task-section.vencidas {
  border-left: 3px solid var(--error);
  background: var(--bg-card);
}

.task-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-subtle);
}

.task-section-title {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.task-count {
  font-size: 0.875rem;
  color: var(--text-tertiary);
  font-weight: 400;
}

.task-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.task-empty {
  color: var(--text-tertiary);
  font-size: 0.9375rem;
  padding: var(--spacing-xl);
  text-align: center;
  background: var(--bg-hover);
  border-radius: var(--radius-md);
  border: 2px dashed var(--border-main);
}

/* ==================== TARJETAS DE TAREA ==================== */
.task-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  transition: all 0.2s ease;
  position: relative;
}

.task-card:hover {
  border-color: var(--border-separator);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

/* Borde de marca sutil (3px izquierda) */
.task-card.brand-galia {
  border-left: 3px solid var(--galia-primary);
}

.task-card.brand-yawebs {
  border-left: 3px solid var(--yawebs-primary);
}

.task-card.brand-gestor {
  border-left: 3px solid var(--gestor-primary);
}

.task-card.brand-casa {
  border-left: 3px solid var(--casa-primary);
}

.task-card.brand-ambas {
  border-left: 3px solid transparent;
  border-image: linear-gradient(180deg, var(--galia-primary), var(--yawebs-primary)) 1;
}

.task-card.status-hecha {
  opacity: 0.6;
  background: var(--bg-hover);
}

.task-card.status-bloqueada {
  border-color: var(--error);
  background: var(--error-bg);
}

.task-header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.task-checkbox {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-separator);
  border-radius: var(--radius-sm);
  cursor: pointer;
  flex-shrink: 0;
  transition: all 0.2s ease;
  margin-top: 2px;
  accent-color: var(--success);
}

.task-checkbox:hover {
  border-color: var(--success);
}

.task-checkbox:checked {
  background: var(--success);
  border-color: var(--success);
}

.task-title {
  flex: 1;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.5;
}

.task-title.completed {
  text-decoration: line-through;
  color: var(--text-tertiary);
}

.task-meta {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
}

.task-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-brand {
  background: var(--bg-hover);
  color: var(--text-tertiary);
  border: 1px solid var(--border-main);
}

.badge-brand.galia {
  background: var(--galia-bg);
  color: var(--galia-primary);
  border-color: var(--galia-primary);
}

.badge-brand.yawebs {
  background: var(--yawebs-bg);
  color: var(--yawebs-primary);
  border-color: var(--yawebs-primary);
}

.badge-brand.gestor {
  background: var(--gestor-bg);
  color: var(--gestor-primary);
  border-color: var(--gestor-primary);
}

.badge-brand.casa {
  background: var(--casa-bg);
  color: var(--casa-primary);
  border-color: var(--casa-primary);
}

.badge-brand.ambas {
  background: var(--ambas-bg);
  color: var(--text-primary);
  border-color: var(--border-separator);
}

.badge-priority {
  background: var(--warning-bg);
  color: var(--warning);
  border: 1px solid var(--warning);
}

.badge-obligatoria {
  background: rgba(59, 130, 246, 0.08);
  color: var(--info);
  border: 1px solid var(--info);
}

.badge-bloqueada {
  background: var(--error-bg);
  color: var(--error);
  border: 1px solid var(--error);
}

.badge-duration {
  background: var(--bg-hover);
  color: var(--text-tertiary);
  border: 1px solid var(--border-main);
}

.task-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--border-subtle);
}

.task-btn {
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  border: 1px solid var(--border-main);
  background: var(--bg-card);
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
}

.task-btn:hover {
  background: var(--bg-hover);
  border-color: var(--border-separator);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.task-btn i {
  margin-right: 0.25rem;
}

.task-btn-top3 {
  margin-left: auto;
}

.task-btn-top3.active {
  background: var(--warning-bg);
  border-color: var(--warning);
  color: var(--warning);
}

/* ==================== BOTÓN FLOTANTE ==================== */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--galia-primary), var(--yawebs-primary));
  color: white;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.fab:hover {
  transform: scale(1.05) translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

/* ==================== MODALES ==================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  padding: var(--spacing-lg);
}

.modal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-xl);
  padding-bottom: var(--spacing-md);
  border-bottom: 1px solid var(--border-main);
}

.modal-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-tertiary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.modal-body {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.form-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  transition: all 0.2s ease;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--galia-primary);
  box-shadow: 0 0 0 3px var(--galia-bg);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
  font-family: inherit;
}

.button-group {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.btn-option {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-card);
  border: 1px solid var(--border-main);
  color: var(--text-secondary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 0.875rem;
}

.btn-option:hover {
  background: var(--bg-hover);
  border-color: var(--border-separator);
}

.btn-option.active {
  background: var(--bg-hover);
  border-color: var(--border-separator);
  color: var(--text-primary);
  box-shadow: var(--shadow-sm);
}

.btn-option[data-brand="galia"].active {
  background: var(--galia-bg);
  border-color: var(--galia-primary);
  color: var(--galia-primary);
}

.btn-option[data-brand="yawebs"].active {
  background: var(--yawebs-bg);
  border-color: var(--yawebs-primary);
  color: var(--yawebs-primary);
}

.btn-option[data-brand="gestor"].active {
  background: var(--gestor-bg);
  border-color: var(--gestor-primary);
  color: var(--gestor-primary);
}

.btn-option[data-brand="casa"].active {
  background: var(--casa-bg);
  border-color: var(--casa-primary);
  color: var(--casa-primary);
}

.btn-option[data-brand="ambas"].active {
  background: var(--ambas-bg);
  border-color: var(--border-separator);
  color: var(--text-primary);
}

.modal-actions {
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
}

.btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-weight: 500;
  font-size: 0.9375rem;
  transition: all 0.2s ease;
}

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

.btn-secondary:hover {
  background: var(--bg-card);
  border-color: var(--border-separator);
}

.btn-primary {
  background: linear-gradient(135deg, var(--galia-primary), var(--yawebs-primary));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

/* ==================== SCROLLBAR ==================== */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-app);
}

::-webkit-scrollbar-thumb {
  background: var(--border-separator);
  border-radius: 5px;
}

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

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
  #app-content {
    padding: var(--spacing-lg) var(--spacing-md);
  }
  
  .top3-zone,
  .task-section {
    padding: var(--spacing-lg);
  }
  
  .top3-grid {
    grid-template-columns: 1fr;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .fab {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 3rem;
    height: 3rem;
    font-size: 1.25rem;
  }
  
  .modal-card {
    max-height: 85vh;
    padding: var(--spacing-lg);
  }
}

/* ==================== UTILIDADES ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }

/* ==================== LOGIN PAGE - PREMIUM BRANDING ==================== */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, 
    #6B5AED 0%,     /* Galia violeta */
    #9B8AFB 25%,    /* Galia light */
    #E07A2F 75%,    /* Yawebs naranja */
    #F59E0B 100%    /* Yawebs light */
  );
  background-size: 400% 400%;
  animation: gradientFlow 20s ease infinite;
  position: relative;
  overflow: hidden;
}

/* Animación de fondo */
@keyframes gradientFlow {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Partículas decorativas flotantes */
.login-page::before,
.login-page::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  opacity: 0.1;
  animation: float 25s ease-in-out infinite;
}

.login-page::before {
  top: -300px;
  left: -300px;
  background: radial-gradient(circle, rgba(255,255,255,0.8) 0%, transparent 70%);
  animation-delay: -5s;
}

.login-page::after {
  bottom: -300px;
  right: -300px;
  background: radial-gradient(circle, rgba(255,255,255,0.6) 0%, transparent 70%);
}

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.1); }
  66% { transform: translate(-20px, 20px) scale(0.9); }
}

/* Card de login con glassmorphism */
.login-card {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  border-radius: var(--radius-xl);
  box-shadow: 
    0 8px 32px rgba(31, 38, 135, 0.15),
    0 2px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.4);
  max-width: 480px;
  width: 90%;
  padding: 3rem 2.5rem;
  position: relative;
  z-index: 10;
  animation: slideUp 0.6s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Logo y branding */
.login-logo {
  text-align: center;
  margin-bottom: 2.5rem;
}

.login-logo-icon {
  display: inline-block;
  font-size: 4rem;
  background: linear-gradient(135deg, #6B5AED, #E07A2F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 1rem;
  animation: pulse 3s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(107, 90, 237, 0.3));
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

.login-title {
  font-size: 2rem;
  font-weight: 700;
  background: linear-gradient(135deg, #6B5AED, #E07A2F);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Formulario premium */
.login-form {
  margin-top: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-card);
  border: 2px solid var(--border-main);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  font-family: inherit;
}

.form-input:focus {
  outline: none;
  border-color: #6B5AED;
  background: #FFFFFF;
  box-shadow: 
    0 0 0 4px rgba(107, 90, 237, 0.1),
    0 4px 12px rgba(107, 90, 237, 0.15);
  transform: translateY(-2px);
}

.form-input::placeholder {
  color: var(--text-muted);
}

/* Input con icono */
.form-input-icon {
  position: relative;
}

.form-input-icon i {
  position: absolute;
  left: 1.25rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
  transition: color 0.3s ease;
}

.form-input-icon input {
  padding-left: 3rem;
}

.form-input-icon input:focus + i {
  color: #6B5AED;
}

/* Botón de login premium */
.login-btn {
  width: 100%;
  padding: 1.125rem 2rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, #6B5AED 0%, #E07A2F 100%);
  background-size: 200% 200%;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all 0.4s ease;
  box-shadow: 
    0 4px 16px rgba(107, 90, 237, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.1);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 1rem;
}

.login-btn:hover {
  transform: translateY(-3px);
  box-shadow: 
    0 8px 24px rgba(107, 90, 237, 0.4),
    0 4px 12px rgba(0, 0, 0, 0.15);
  background-position: 100% 0;
}

.login-btn:active {
  transform: translateY(-1px);
  box-shadow: 
    0 4px 12px rgba(107, 90, 237, 0.3);
}

.login-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Mensaje de error elegante */
.login-error {
  background: var(--error-bg);
  color: var(--error);
  padding: 1rem;
  border-radius: var(--radius-md);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border-left: 3px solid var(--error);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.login-error i {
  font-size: 1.25rem;
}

/* Footer */
.login-footer {
  text-align: center;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-main);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* Responsive para login */
@media (max-width: 600px) {
  .login-card {
    padding: 2.5rem 2rem;
    border-radius: var(--radius-lg);
  }
  
  .login-logo-icon {
    font-size: 3rem;
  }
  
  .login-title {
    font-size: 1.75rem;
  }
  
  .login-subtitle {
    font-size: 0.875rem;
  }
}
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }