/* ============================================
   LABORATORIO SJ - ESTILOS GLOBALES MODERNOS
   ============================================ */

:root {
  --primary-color: #00748d;
  --primary-dark: #005a6e;
  --primary-light: #4da3b5;
  --secondary-color: #00a99d;
  --secondary-light: #4dc4bb;
  --accent-color: #ff6b6b;
  --background-gradient: linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%);
  --card-shadow: 0 4px 20px rgba(0, 116, 141, 0.08);
  --card-shadow-hover: 0 8px 30px rgba(0, 116, 141, 0.15);
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 24px;
}

html {
  font-size: 14px;
  scroll-behavior: smooth;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

html {
  position: relative;
  min-height: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   ANIMACIONES
   ============================================ */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.animate-fade-in-up {
  animation: fadeInUp 0.5s ease-out forwards;
}

.animate-fade-in {
  animation: fadeIn 0.4s ease-out forwards;
}

/* ============================================
   BARRA DE NAVEGACIÓN MEJORADA
   ============================================ */
.v-app-bar {
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
}

.nav-btn-modern {
  position: relative;
  overflow: hidden;
  letter-spacing: 0.5px !important;
  font-weight: 500 !important;
  transition: var(--transition-smooth) !important;
}

.nav-btn-modern::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: white;
  transition: var(--transition-smooth);
  transform: translateX(-50%);
}

.nav-btn-modern:hover::before {
  width: 70%;
}

.nav-btn-modern:hover {
  background: rgba(255, 255, 255, 0.1) !important;
}

/* ============================================
   MENÚ DE USUARIO MEJORADO
   ============================================ */
.user-menu-btn {
  transition: var(--transition-smooth) !important;
  border: 2px solid rgba(255, 255, 255, 0.3) !important;
}

.user-menu-btn:hover {
  background: rgba(255, 255, 255, 0.15) !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
  transform: scale(1.05);
}

.user-menu-card {
  border-radius: var(--border-radius-lg) !important;
  overflow: hidden !important;
  min-width: 220px !important;
}

.user-menu-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  padding: 16px !important;
}

.user-menu-item {
  transition: var(--transition-smooth) !important;
  margin: 4px 8px !important;
  border-radius: var(--border-radius-sm) !important;
}

.user-menu-item:hover {
  background: #fee2e2 !important;
}

/* ============================================
   CARDS MODERNAS
   ============================================ */
.modern-card {
  border-radius: var(--border-radius-lg) !important;
  transition: var(--transition-smooth) !important;
  border: 1px solid rgba(0, 116, 141, 0.08) !important;
  overflow: hidden !important;
}

.modern-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover) !important;
}

.modern-card-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  padding: 20px 24px !important;
}

/* ============================================
   TARJETAS DE MENÚ (DASHBOARD)
   ============================================ */
.menu-card {
  border-radius: var(--border-radius-lg) !important;
  transition: var(--transition-smooth) !important;
  border: 1px solid rgba(0, 0, 0, 0.06) !important;
  overflow: hidden !important;
  cursor: pointer;
  background: white !important;
}

.menu-card:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: var(--card-shadow-hover) !important;
}

.menu-card:hover .menu-card-icon {
  transform: scale(1.15);
  background: var(--primary-color) !important;
}

.menu-card:hover .menu-card-icon .v-icon {
  color: white !important;
}

.menu-card-stripe {
  height: 4px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.menu-card-icon {
  transition: var(--transition-smooth) !important;
  background: linear-gradient(135deg, #e8f4f8 0%, #d1ebf1 100%) !important;
}

.menu-card-btn {
  border-radius: var(--border-radius-sm) !important;
  font-weight: 600 !important;
  letter-spacing: 0.3px !important;
  transition: var(--transition-smooth) !important;
}

.menu-card-btn:hover {
  transform: scale(1.02);
  box-shadow: 0 4px 12px rgba(0, 116, 141, 0.3) !important;
}

/* ============================================
   TARJETAS GRANDES DE SECCIÓN
   ============================================ */
.section-card {
  border-radius: var(--border-radius-xl) !important;
  transition: var(--transition-smooth) !important;
  overflow: hidden !important;
  border: 2px solid transparent !important;
  background: white !important;
}

.section-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--card-shadow-hover) !important;
  border-color: var(--primary-light) !important;
}

.section-card:hover .section-icon {
  transform: scale(1.1) rotate(5deg);
}

.section-icon {
  transition: var(--transition-smooth) !important;
}

/* ============================================
   PÁGINA DE LOGIN
   ============================================ */
.login-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--background-gradient);
  position: relative;
  overflow: hidden;
}

.login-container::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 116, 141, 0.03) 0%, transparent 70%);
  animation: pulse 15s ease-in-out infinite;
}

.login-card {
  border-radius: var(--border-radius-xl) !important;
  backdrop-filter: blur(20px) !important;
  -webkit-backdrop-filter: blur(20px) !important;
  background: rgba(255, 255, 255, 0.95) !important;
  border: 1px solid rgba(255, 255, 255, 0.8) !important;
  position: relative;
  z-index: 1;
}

.login-logo {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-icon-container {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  border-radius: 50% !important;
  padding: 20px !important;
  box-shadow: 0 8px 32px rgba(0, 116, 141, 0.25) !important;
}

.login-btn {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  font-weight: 600 !important;
  letter-spacing: 0.5px !important;
  text-transform: none !important;
  transition: var(--transition-smooth) !important;
}

.login-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 116, 141, 0.35) !important;
}

/* ============================================
   FOOTER MODERNO
   ============================================ */
.modern-footer {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
  color: rgba(255, 255, 255, 0.8) !important;
  padding: 24px 0 !important;
  margin-top: auto !important;
}

.footer-divider {
  background: linear-gradient(90deg, transparent, rgba(0, 116, 141, 0.5), transparent) !important;
  height: 1px !important;
  border: none !important;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-brand-icon {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 8px;
  padding: 6px;
}

.footer-link {
  color: rgba(255, 255, 255, 0.6) !important;
  text-decoration: none !important;
  transition: var(--transition-smooth) !important;
  font-size: 0.85rem !important;
}

.footer-link:hover {
  color: var(--secondary-light) !important;
}

/* ============================================
   NAVIGATION DRAWER MEJORADO
   ============================================ */
.modern-drawer .v-list-item {
  margin: 4px 8px !important;
  border-radius: var(--border-radius-sm) !important;
  transition: var(--transition-smooth) !important;
}

.modern-drawer .v-list-item:hover {
  background: linear-gradient(135deg, rgba(0, 116, 141, 0.1) 0%, rgba(0, 169, 157, 0.1) 100%) !important;
}

.modern-drawer .v-list-item--active {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  color: white !important;
}

.drawer-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%) !important;
  padding: 24px 16px !important;
}

/* ============================================
   WELCOME CARD
   ============================================ */
.welcome-card {
  border-radius: var(--border-radius-xl) !important;
  overflow: hidden !important;
  background: white !important;
}

.welcome-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%) !important;
  padding: 32px !important;
  position: relative;
}

.welcome-header::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 0;
  right: 0;
  height: 40px;
  background: white;
  border-radius: 50% 50% 0 0 / 100% 100% 0 0;
}

/* ============================================
   PÁGINA DE ADMINISTRACIÓN
   ============================================ */
.admin-header {
  padding: 24px 0 !important;
  margin-bottom: 16px !important;
}

.admin-title {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.admin-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  border-radius: 2px;
}

/* ============================================
   EFECTOS DE ENTRADA ESCALONADOS
   ============================================ */
.stagger-item {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.stagger-item:nth-child(1) { animation-delay: 0.05s; }
.stagger-item:nth-child(2) { animation-delay: 0.1s; }
.stagger-item:nth-child(3) { animation-delay: 0.15s; }
.stagger-item:nth-child(4) { animation-delay: 0.2s; }
.stagger-item:nth-child(5) { animation-delay: 0.25s; }
.stagger-item:nth-child(6) { animation-delay: 0.3s; }
.stagger-item:nth-child(7) { animation-delay: 0.35s; }
.stagger-item:nth-child(8) { animation-delay: 0.4s; }
.stagger-item:nth-child(9) { animation-delay: 0.45s; }
.stagger-item:nth-child(10) { animation-delay: 0.5s; }

/* ============================================
   INPUTS Y FORMULARIOS
   ============================================ */
.modern-input .v-field {
  border-radius: var(--border-radius-md) !important;
  transition: var(--transition-smooth) !important;
}

.modern-input .v-field--focused {
  box-shadow: 0 0 0 3px rgba(0, 116, 141, 0.15) !important;
}

/* ============================================
   SNACKBAR MEJORADO
   ============================================ */
.v-snackbar__wrapper {
  border-radius: var(--border-radius-md) !important;
}

/* ============================================
   RESPONSIVE ADJUSTMENTS
   ============================================ */
@media (max-width: 600px) {
  .welcome-header {
    padding: 24px 16px !important;
  }
  
  .admin-header {
    padding: 16px 0 !important;
  }
  
  .menu-card {
    margin-bottom: 8px;
  }
}

/* ============================================
   SCROLLBAR PERSONALIZADO
   ============================================ */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--primary-color), var(--primary-dark));
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-dark);
}

/* ============================================
   GLASSMORPHISM EFFECT
   ============================================ */
.glass-effect {
  background: rgba(255, 255, 255, 0.7) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
}

/* ============================================
   BADGES Y CHIPS
   ============================================ */
.modern-chip {
  border-radius: 20px !important;
  font-weight: 500 !important;
  padding: 0 12px !important;
}

/* ============================================
   LOADING STATES
   ============================================ */
.skeleton-loader {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}