/* ===== DESIGN SYSTEM FISIO ===== */
:root {
  /* 🎨 Couleur principale (Fisio Blue) */
  --primary: 229, 100%, 57%; /* #2645FF */
  --primary-foreground: 0, 0%, 100%;
  
  /* 🌈 Couleurs sémantiques Light Mode */
  --background: 220, 20%, 97%;
  --foreground: 222.2, 84%, 4.9%;
  
  /* 🃏 Cards & Surfaces */
  --card: 0, 0%, 100%;
  --card-foreground: 222.2, 84%, 4.9%;
  
  /* 🔲 Borders - Toutes en bleu Fisio */
  --border: 229, 100%, 57%;
  --card-border: 229, 100%, 57%;
  
  /* 🎯 States */
  --muted: 0, 0%, 96.08%;
  --muted-foreground: 0, 0%, 52.94%;
  --secondary: 0, 0%, 0%;
  --secondary-foreground: 0, 0%, 100%;
  --accent: 254.21, 100%, 92.55%;
  --accent-foreground: 0, 0%, 0%;
  --destructive: 2.04, 74.62%, 61.37%;
  --destructive-foreground: 0, 0%, 100%;
  
  /* 📝 Typographie */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-serif: 'Geist', sans-serif;
  --font-mono: 'Geist Mono', monospace;
  
  /* 📐 Espacements & Border Radius */
  --radius: 0.75rem; /* 12px - Arrondi comme Fisio */
  --spacing: 0.25rem; /* 4px base unit */
  
  /* 🌟 Système d'élévation Light Mode */
  --elevate-1: rgba(0,0,0, .03);
  --elevate-2: rgba(0,0,0, .08);
  --button-outline: rgba(0,0,0, .10);
  --badge-outline: rgba(0,0,0, .05);
  
  /* Variables héritées pour compatibilité */
  --fisio-blue: hsl(var(--primary));
  --fisio-blue-light: #4F6FFF;
  --fisio-blue-dark: #1D3BCC;
  --primary-white: hsl(var(--card));
  --gray-50: hsl(var(--muted));
  --gray-100: hsl(var(--background));
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: hsl(var(--muted-foreground));
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: hsl(var(--foreground));
  
  /* Couleurs d'état */
  --success-green: #10B981;
  --success-light: #D1FAE5;
  --error-red: hsl(var(--destructive));
  --error-light: #FEE2E2;
  --warning-orange: #F59E0B;
  
  /* Typographie (tailles) */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  
  /* Espacements */
  --spacing-xs: calc(var(--spacing) * 1);   /* 4px */
  --spacing-sm: calc(var(--spacing) * 2);   /* 8px */
  --spacing-md: calc(var(--spacing) * 4);   /* 16px */
  --spacing-lg: calc(var(--spacing) * 6);   /* 24px */
  --spacing-xl: calc(var(--spacing) * 8);   /* 32px */
  --spacing-2xl: calc(var(--spacing) * 12); /* 48px */
  --spacing-3xl: calc(var(--spacing) * 16); /* 64px */
  
  /* Bordures et ombres */
  --border-radius: calc(var(--radius) - 4px);     /* 8px */
  --border-radius-lg: var(--radius);              /* 12px */
  --border-radius-xl: calc(var(--radius) + 4px);  /* 16px */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-base: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 🌙 Dark Mode */
.dark {
  --background: 0, 0%, 0%;
  --foreground: 200, 6.6667%, 91.1765%;
  --card: 228, 9.8039%, 10%;
  --card-foreground: 0, 0%, 85.0980%;
  --border: 210, 5.2632%, 14.9020%;
  --primary: 203.7736, 87.6033%, 52.5490%;
  
  /* Système d'élévation Dark Mode */
  --elevate-1: rgba(255,255,255, .04);
  --elevate-2: rgba(255,255,255, .09);
  --button-outline: rgba(255,255,255, .10);
  --badge-outline: rgba(255,255,255, .05);
}

/* 🎭 ANIMATIONS PERSONNALISÉES FISIO */
/* Loading animations */
.loading-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.loading-progress-bar {
  animation: loading-progress 2s ease-in-out infinite;
}

@keyframes loading-progress {
  0% { 
    width: 0%; 
    transform: translateX(-100%);
  }
  50% { 
    width: 70%; 
    transform: translateX(0%);
  }
  100% { 
    width: 100%; 
    transform: translateX(0%);
  }
}

/* Keyword tags effects */
.keyword-tag {
  transition: all 0.2s ease-in-out;
}

.keyword-tag:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px hsl(var(--primary) / 0.15);
}

/* Gradient background */
.gradient-bg {
  background: linear-gradient(135deg, hsl(var(--primary) / 0.1) 0%, hsl(280, 100%, 70%, 0.1) 100%);
}

/* 🌟 Classes utilitaires d'élévation */
.hover-elevate:hover::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--elevate-1);
  pointer-events: none;
  border-radius: inherit;
}

.active-elevate-2:active::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--elevate-2);
  pointer-events: none;
  border-radius: inherit;
}

/* Animations d'entrée */
.fade-in-up {
  animation: fadeInUp 0.5s ease-out;
}

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

.pulse-subtle {
  animation: pulse-subtle 3s ease-in-out infinite;
}

@keyframes pulse-subtle {
  0%, 100% {
    box-shadow: var(--shadow-lg);
  }
  50% {
    box-shadow: 0 25px 35px -5px hsl(var(--primary) / 0.15), 0 15px 15px -5px hsl(var(--primary) / 0.08);
  }
}

/* Reset et base */
* {
  box-sizing: border-box;
}

body {
  font-family: var(--font-sans);
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  line-height: 1.6;
  font-size: var(--font-size-base);
  margin: 0;
  padding: 0;
}

/* Navigation */
.navbar {
  background-color: hsl(var(--card));
  border-bottom: 2px solid hsl(var(--border));
  padding: var(--spacing-md) 0;
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  color: hsl(var(--primary)) !important;
  font-weight: 600;
  font-size: var(--font-size-lg);
  text-decoration: none;
  transition: all 0.2s ease-in-out;
}

.navbar-brand:hover {
  color: var(--fisio-blue-dark) !important;
  transform: translateY(-1px);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background-color: hsl(var(--primary));
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: hsl(var(--primary-foreground));
  transition: all 0.2s ease-in-out;
}

.logo-icon:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 12px hsl(var(--primary) / 0.25);
}

/* 🏗️ Layout Design System Fisio */
main {
  min-height: auto;
  padding: var(--spacing-md) 0;
  background: hsl(var(--background));
}

.container {
  max-width: 1200px;
}

/* Conteneur avec gradient subtil */
.container-gradient {
  background: linear-gradient(135deg, hsl(var(--background)) 0%, hsl(var(--muted)) 100%);
  min-height: 100vh;
  padding: var(--spacing-lg);
}

/* 📰 Headers Design System Fisio */
h1, h2, h3, h4, h5, h6 {
  color: hsl(var(--foreground));
  font-family: var(--font-sans);
  font-weight: 600;
  line-height: 1.3;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.display-4 {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(280, 100%, 70%) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.lead {
  font-size: var(--font-size-lg);
  color: hsl(var(--muted-foreground));
  font-weight: 400;
}

/* Stepper moderne */
.stepper-container {
  padding: var(--spacing-2xl) 0;
  margin-bottom: var(--spacing-2xl);
}

.stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  flex: 1;
  min-width: 120px;
}

.step-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--gray-200);
  border: 2px solid var(--gray-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--gray-500);
  transition: all 0.2s ease;
  position: relative;
  z-index: 2;
}

.step-circle.completed {
  background-color: var(--success-green);
  border-color: var(--success-green);
  color: var(--primary-white);
}

.step-circle.active {
  background-color: var(--fisio-blue);
  border-color: var(--fisio-blue);
  color: var(--primary-white);
}

.step-circle i {
  display: none;
  font-size: var(--font-size-sm);
}

.step-circle.completed i {
  display: block;
}

.step-circle.completed span,
.step-circle.active i {
  display: none;
}

.step-circle.active span {
  display: block;
}

.step-label {
  text-align: center;
  margin-top: var(--spacing-md);
  max-width: 100px;
}

.step-label strong {
  display: block;
  font-weight: 600;
  color: var(--fisio-blue);
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-xs);
}

.step-label small {
  color: var(--gray-500);
  font-size: var(--font-size-xs);
  line-height: 1.4;
}

.step-line {
  flex: 1;
  height: 2px;
  background-color: var(--gray-200);
  position: relative;
  top: -24px;
  margin: 0 var(--spacing-sm);
  min-width: 20px;
}

.step-line.completed {
  background-color: var(--success-green);
}

.step-line.active {
  background-color: var(--fisio-blue);
}

/* 🃏 Cards Design System Fisio */
.card {
  background-color: hsl(var(--card));
  border: 2px solid hsl(var(--card-border));
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  transition: all 0.2s ease-in-out;
  position: relative;
  overflow: hidden;
}

.card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: hsl(var(--primary));
}

.card-header {
  background-color: hsl(var(--card));
  border-bottom: 2px solid hsl(var(--border));
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.card-body {
  padding: var(--spacing-2xl);
  background-color: hsl(var(--card));
  color: hsl(var(--card-foreground));
}

/* Card avec effet d'élévation */
.card-elevated {
  border: 2px solid hsl(var(--primary));
  animation: pulse-subtle 3s ease-in-out infinite;
}

/* Contenu des étapes */
.step-content {
  animation: fadeInUp 0.3s ease-out;
}

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

.step-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-size: var(--font-size-2xl);
  margin: 0 auto var(--spacing-lg);
  border: 1px solid var(--gray-200);
}

/* Boutons modernes */
/* 🔘 Boutons Design System Fisio */
.btn {
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: var(--font-size-sm);
  padding: 12px 24px;
  border-radius: var(--border-radius-lg);
  border: 2px solid transparent;
  transition: all 0.2s ease-in-out;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-color: hsl(var(--primary));
  box-shadow: var(--shadow-md);
}

.btn-primary:hover {
  background-color: var(--fisio-blue-dark);
  border-color: var(--fisio-blue-dark);
  color: hsl(var(--primary-foreground));
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-md);
}

.btn-primary:disabled {
  background-color: hsl(var(--muted));
  border-color: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-outline-secondary {
  background-color: transparent;
  color: hsl(var(--muted-foreground));
  border-color: hsl(var(--border));
}

.btn-outline-secondary:hover {
  background-color: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  border-color: hsl(var(--secondary));
  transform: translateY(-1px);
}

.btn-outline-primary {
  background-color: transparent;
  color: hsl(var(--primary));
  border-color: hsl(var(--primary));
}

.btn-outline-primary:hover {
  background-color: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-color: hsl(var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 4px 12px hsl(var(--primary) / 0.25);
}

.btn-outline-success {
  background-color: transparent;
  color: var(--success-green);
  border-color: var(--success-green);
}

.btn-outline-success:hover {
  background-color: var(--success-green);
  color: var(--primary-white);
  border-color: var(--success-green);
}

.btn-success {
  background-color: var(--success-green);
  color: var(--primary-white);
  border-color: var(--success-green);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--font-size-base);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
}

.btn-lg:hover {
  box-shadow: var(--shadow-xl);
}

.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-xs);
}

/* Bouton avec effet d'élévation */
.btn.hover-elevate {
  position: relative;
}

.btn.active-elevate-2 {
  position: relative;
}

/* Formulaires */
/* 📝 Formulaires Design System Fisio */
.form-control, .form-select {
  font-family: var(--font-sans);
  font-size: var(--font-size-sm);
  padding: 12px 16px;
  border: 2px solid hsl(var(--border));
  border-radius: var(--border-radius-lg);
  background-color: hsl(var(--card));
  color: hsl(var(--card-foreground));
  transition: all 0.2s ease-in-out;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: hsl(var(--primary));
  box-shadow: 0 0 0 4px hsl(var(--primary) / 0.15);
  transform: translateY(-1px);
}

.form-control:hover, .form-select:hover {
  border-color: hsl(var(--primary) / 0.7);
}

.form-label {
  font-weight: 600;
  color: hsl(var(--foreground));
  margin-bottom: var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-text {
  font-size: var(--font-size-xs);
  color: hsl(var(--muted-foreground));
  margin-top: var(--spacing-xs);
}

/* Zone d'upload */
.upload-zone {
  border: 2px dashed var(--gray-300);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-xl);
  background-color: var(--gray-50);
  transition: all 0.2s ease;
  text-align: center;
}

.upload-zone:hover {
  border-color: var(--gray-400);
  background-color: var(--gray-100);
}

.upload-zone.drag-over {
  border-color: var(--fisio-blue);
  background-color: var(--fisio-blue-bg);
}

/* Contenu de la lettre */
.letter-content {
  background-color: var(--primary-white);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-2xl);
  font-family: Georgia, serif;
  line-height: 1.8;
  color: var(--gray-900);
  white-space: pre-wrap;
}

/* Éditeur */
.editor-toolbar {
  background-color: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  padding: var(--spacing-md);
}

#letterTextEditor {
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  border-top: none;
  font-family: Georgia, serif;
  line-height: 1.8;
  resize: vertical;
}

/* 🚨 Alertes Design System Fisio */
.alert {
  border: 2px solid;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-md);
  position: relative;
  transition: all 0.2s ease-in-out;
  animation: fade-in-up 0.3s ease-out;
}

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

.alert-success {
  background-color: var(--success-light);
  border-color: var(--success-green);
  color: #166534;
  box-shadow: 0 4px 12px rgba(16, 185, 129, 0.15);
}

.alert-danger {
  background-color: var(--error-light);
  border-color: hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
  background: linear-gradient(135deg, var(--error-light) 0%, rgba(239, 68, 68, 0.1) 100%);
  box-shadow: 0 4px 12px hsl(var(--destructive) / 0.15);
}

.alert-primary {
  background: linear-gradient(135deg, hsl(var(--primary) / 0.1) 0%, hsl(var(--accent)) 100%);
  border-color: hsl(var(--primary));
  color: hsl(var(--primary));
  box-shadow: 0 4px 12px hsl(var(--primary) / 0.15);
}

/* Footer */
.footer-modern {
  background-color: var(--primary-white);
  border-top: 1px solid var(--gray-200);
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

/* Modal */
.modal-content {
  border: none;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  border-bottom: 1px solid var(--gray-200);
}

.modal-footer {
  border-top: 1px solid var(--gray-200);
}

/* Spinner */
.spinner-border {
  width: 1rem;
  height: 1rem;
}

/* Responsive */
@media (max-width: 768px) {
  .stepper {
    flex-direction: column;
    gap: var(--spacing-lg);
  }
  
  .step-line {
    width: 2px;
    height: 40px;
    top: 0;
    margin: var(--spacing-md) 0;
    transform: none;
  }
  
  .step {
    min-width: auto;
  }
  
  .step-circle {
    width: 40px;
    height: 40px;
  }
  
  .step-icon {
    width: 48px;
    height: 48px;
    font-size: var(--font-size-xl);
  }
  
  .card-body {
    padding: var(--spacing-lg);
  }
  
  .display-4 {
    font-size: var(--font-size-3xl);
  }
}

/* Utilitaires */
.text-muted {
  color: var(--gray-500) !important;
}

.text-success {
  color: var(--success-green) !important;
}

.text-center {
  text-align: center;
}

.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-xs) !important; }
.mb-2 { margin-bottom: var(--spacing-sm) !important; }
.mb-3 { margin-bottom: var(--spacing-md) !important; }
.mb-4 { margin-bottom: var(--spacing-lg) !important; }
.mb-5 { margin-bottom: var(--spacing-xl) !important; }

.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-xs) !important; }
.mt-2 { margin-top: var(--spacing-sm) !important; }
.mt-3 { margin-top: var(--spacing-md) !important; }
.mt-4 { margin-top: var(--spacing-lg) !important; }
.mt-5 { margin-top: var(--spacing-xl) !important; }

/* ===== SPINNER DE CHARGEMENT AVANCÉ ===== */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, var(--gray-50) 0%, var(--gray-100) 100%);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 10vh;
    z-index: 9999;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

.page-loader.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

/* Card container pour le spinner */
.loader-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    border: 2px solid var(--fisio-blue);
    max-width: 28rem;
    width: 100%;
    margin: 0 1rem;
    animation: fadeInUp 0.5s ease-out;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

/* Spinner animé moderne */
.fisio-spinner-container {
    position: relative;
    margin-bottom: 0.5rem;
}

.fisio-spinner-bg {
    width: 48px;
    height: 48px;
    border: 4px solid rgba(38, 69, 255, 0.1);
    border-radius: 50%;
}

.fisio-spinner {
    position: absolute;
    top: 0;
    left: 0;
    width: 48px;
    height: 48px;
    border: 4px solid var(--fisio-blue);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Textes de chargement */
.loader-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
    text-align: center;
}

.loader-subtitle {
    font-size: 0.875rem;
    color: var(--gray-600);
    text-align: center;
    margin-bottom: 1.5rem;
}

/* Barre de progression animée */
.progress-container {
    width: 100%;
    max-width: 20rem;
}

.progress-track {
    height: 8px;
    background-color: var(--gray-200);
    border-radius: 9999px;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--fisio-blue);
    border-radius: 9999px;
    animation: loading-progress 2s ease-in-out infinite;
    transition: width 0.3s ease;
}

@keyframes loading-progress {
    0% {
        width: 0%;
        transform: translateX(-100%);
    }
    50% {
        width: 70%;
        transform: translateX(0%);
    }
    100% {
        width: 100%;
        transform: translateX(0%);
    }
}

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

/* Animation pulse pour le container */
.loader-card {
    animation: fadeInUp 0.5s ease-out, pulse-subtle 3s ease-in-out infinite;
}

@keyframes pulse-subtle {
    0%, 100% {
        box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    50% {
        box-shadow: 0 25px 35px -5px rgba(38, 69, 255, 0.15), 0 15px 15px -5px rgba(38, 69, 255, 0.08);
    }
}

/* Responsive design */
@media (max-width: 480px) {
    .loader-card {
        padding: 1.5rem;
        margin: 0 0.75rem;
    }
    
    .fisio-spinner-bg,
    .fisio-spinner {
        width: 40px;
        height: 40px;
    }
    
    .loader-title {
        font-size: 1rem;
    }
    
    .loader-subtitle {
        font-size: 0.8rem;
    }
    
    .progress-track {
        height: 6px;
    }
}