/* ===== VARIABLES CSS ===== */
:root {
  /* Couleurs principales */
  --primary-color: #8B5CF6;
  --primary-dark: #7C3AED;
  --primary-light: #A78BFA;
  --secondary-color: #1F2937;
  --accent-color: #F3F4F6;
  --white: #FFFFFF;
  --black: #000000;
  --gray-100: #F9FAFB;
  --gray-200: #E5E7EB;
  --gray-300: #D1D5DB;
  --gray-400: #9CA3AF;
  --gray-500: #6B7280;
  --gray-600: #4B5563;
  --gray-700: #374151;
  --gray-800: #1F2937;
  --gray-900: #111827;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--secondary-color) 0%, var(--gray-900) 100%);
  --gradient-hero: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(31, 41, 55, 0.1) 100%);
  
  /* Typographie */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --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;
  --font-size-5xl: 3rem;
  --font-size-6xl: 3.75rem;
  
  /* Espacements */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  
  /* Bordures */
  --border-radius-sm: 0.375rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 0.75rem;
  --border-radius-xl: 1rem;
  --border-radius-2xl: 1.5rem;
  
  /* Ombres */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-purple: 0 10px 25px rgba(139, 92, 246, 0.3);
  
  /* Transitions */
  --transition-fast: 0.15s ease-in-out;
  --transition-normal: 0.3s ease-in-out;
  --transition-slow: 0.5s ease-in-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  line-height: 1.6;
  color: var(--gray-800);
  background-color: var(--white);
  overflow-x: hidden;
}

/* ===== UTILITAIRES ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.section-subtitle {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto;
}

/* ===== BOUTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  border-radius: var(--border-radius-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: var(--gradient-primary);
  color: var(--white);
  box-shadow: var(--shadow-purple);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(139, 92, 246, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--primary-color);
  border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
  background: var(--primary-color);
  color: var(--white);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

/* ===== NAVIGATION ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-md);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-normal);
}

.logo-icon:hover {
  transform: rotate(15deg) scale(1.1);
}

.logo-icon svg {
  filter: drop-shadow(0 2px 4px rgba(139, 92, 246, 0.3));
  transition: filter var(--transition-normal);
}

.logo-icon:hover svg {
  filter: drop-shadow(0 4px 8px rgba(139, 92, 246, 0.5));
}

.nav-logo .logo-text {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  transition: all var(--transition-normal);
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

.nav-logo .logo-text:hover {
  transform: translateX(2px) scale(1.05);
  filter: drop-shadow(0 2px 4px rgba(139, 92, 246, 0.3));
}

.nav-logo:hover .logo-text {
  transform: translateX(2px);
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-xl);
}

.nav-link {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width var(--transition-normal);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 4px;
}

.bar {
  width: 25px;
  height: 3px;
  background: var(--gray-700);
  transition: all var(--transition-normal);
  border-radius: 2px;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--gradient-hero);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23E5E7EB" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>') repeat;
  opacity: 0.3;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-3xl);
  align-items: center;
}

.hero-title {
  font-size: var(--font-size-5xl);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--spacing-lg);
}

.title-line {
  display: block;
  color: var(--gray-700);
}

.title-name {
  display: block;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: var(--font-size-6xl);
}

.hero-description {
  font-size: var(--font-size-lg);
  color: var(--gray-600);
  margin-bottom: var(--spacing-xl);
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.code-window {
  background: var(--gray-900);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
  transition: transform var(--transition-slow);
}

.code-window:hover {
  transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
}

.window-header {
  background: var(--gray-800);
  padding: var(--spacing-md);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.window-controls {
  display: flex;
  gap: var(--spacing-xs);
}

.control {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.control.red { background: #FF5F57; }
.control.yellow { background: #FFBD2E; }
.control.green { background: #28CA42; }

.window-title {
  color: var(--gray-400);
  font-size: var(--font-size-sm);
}

.code-content {
  padding: var(--spacing-lg);
  font-family: 'Monaco', 'Menlo', monospace;
  font-size: var(--font-size-sm);
  line-height: 1.6;
}

.code-line {
  color: var(--gray-300);
  margin-bottom: 4px;
}

.keyword { color: #FF79C6; }
.variable { color: #8BE9FD; }
.property { color: #50FA7B; }
.string { color: #F1FA8C; }
.number { color: #BD93F9; }

.scroll-indicator {
  position: absolute;
  bottom: var(--spacing-xl);
  left: 50%;
  transform: translateX(-50%);
  animation: bounce 2s infinite;
}

.scroll-arrow {
  width: 24px;
  height: 24px;
  border-right: 2px solid var(--primary-color);
  border-bottom: 2px solid var(--primary-color);
  transform: rotate(45deg);
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
  40% { transform: translateX(-50%) translateY(-10px); }
  60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== ABOUT SECTION ===== */
.about {
  padding: calc(var(--spacing-3xl) * 3) 0;
  background: var(--gray-100);
  min-height: 100vh;
  margin-top: calc(var(--spacing-3xl) * 2);
}

.about-content {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-3xl);
  align-items: start;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
}

.about-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal);
}

.about-card:hover {
  transform: translateY(-5px);
}

.about-card h3 {
  color: var(--primary-color);
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

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

.stat-item {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.stat-item:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-number {
  font-size: var(--font-size-4xl);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: var(--spacing-sm);
}

.stat-label {
  color: var(--gray-600);
  font-size: var(--font-size-sm);
}

/* ===== SERVICES SECTION ===== */
.services {
  padding: var(--spacing-3xl) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
}

.service-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
  transform: scaleX(0);
  transition: transform var(--transition-normal);
}

.service-card:hover::before {
  transform: scaleX(1);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-lg);
  color: var(--white);
  font-size: var(--font-size-2xl);
}

.service-card h3 {
  font-size: var(--font-size-xl);
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
}

.service-card p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.service-features {
  list-style: none;
}

.service-features li {
  color: var(--gray-600);
  margin-bottom: var(--spacing-sm);
  position: relative;
  padding-left: var(--spacing-lg);
}

.service-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: bold;
}

/* ===== PORTFOLIO SECTION ===== */
.portfolio {
  padding: var(--spacing-3xl) 0;
  background: var(--gray-100);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
}

.portfolio-item {
  background: var(--white);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-xl);
}

.portfolio-image {
  height: 200px;
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.portfolio-placeholder {
  font-size: var(--font-size-4xl);
  color: var(--white);
  opacity: 0.8;
}

.portfolio-content {
  padding: var(--spacing-xl);
}

.portfolio-content h3 {
  font-size: var(--font-size-xl);
  color: var(--secondary-color);
  margin-bottom: var(--spacing-md);
}

.portfolio-content p {
  color: var(--gray-600);
  margin-bottom: var(--spacing-lg);
  line-height: 1.6;
}

.portfolio-tech {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.tech-tag {
  background: var(--primary-light);
  color: var(--white);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
}

/* ===== CONTACT SECTION ===== */
.contact {
  padding: var(--spacing-3xl) 0;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-3xl);
}

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

.contact-card {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: transform var(--transition-normal);
}

.contact-card:hover {
  transform: translateY(-5px);
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--spacing-md);
  color: var(--white);
  font-size: var(--font-size-lg);
}

.contact-card h3 {
  color: var(--secondary-color);
  margin-bottom: var(--spacing-sm);
}

.contact-card p {
  color: var(--gray-600);
}

.contact-form {
  background: var(--white);
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--gray-200);
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  transition: all var(--transition-normal);
  font-family: var(--font-family);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--gradient-secondary);
  color: var(--white);
  padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-2xl);
}

.footer-brand h3 {
  font-size: var(--font-size-2xl);
  margin-bottom: var(--spacing-md);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.footer-brand p {
  color: var(--gray-400);
}

.footer-links h4,
.footer-social h4 {
  margin-bottom: var(--spacing-lg);
  color: var(--white);
}

.footer-links ul {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--transition-normal);
}

.footer-links a:hover {
  color: var(--primary-light);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-link {
  width: 40px;
  height: 40px;
  background: rgba(139, 92, 246, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  text-decoration: none;
  transition: all var(--transition-normal);
}

.social-link:hover {
  background: var(--primary-color);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--gray-700);
  color: var(--gray-400);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--spacing-2xl);
  }
  
  .about-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .contact-content {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    left: -100%;
    top: 70px;
    flex-direction: column;
    background-color: var(--white);
    width: 100%;
    text-align: center;
    transition: 0.3s;
    box-shadow: var(--shadow-md);
    padding: var(--spacing-lg) 0;
  }
  
  .nav-menu.active {
    left: 0;
  }
  
  .nav-toggle {
    display: flex;
  }
  
  .nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
  }
  
  .nav-toggle.active .bar:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .hero-title {
    font-size: var(--font-size-4xl);
  }
  
  .title-name {
    font-size: var(--font-size-5xl);
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }
  
  .services-grid {
    grid-template-columns: 1fr;
  }
  
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  
  .about-stats {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: var(--font-size-3xl);
  }
  
  .container {
    padding: 0 var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: var(--font-size-3xl);
  }
  
  .title-name {
    font-size: var(--font-size-4xl);
  }
  
  .section-title {
    font-size: var(--font-size-2xl);
  }
  
  .code-window {
    transform: none;
  }
  
  .contact-form {
    padding: var(--spacing-lg);
  }
}

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

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

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

.animate-on-scroll {
  opacity: 0;
  animation-duration: 0.8s;
  animation-fill-mode: forwards;
}

.animate-on-scroll.fade-in-up {
  animation-name: fadeInUp;
}

.animate-on-scroll.fade-in-left {
  animation-name: fadeInLeft;
}

.animate-on-scroll.fade-in-right {
  animation-name: fadeInRight;
}

/* ===== LOADING STATES ===== */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(139, 92, 246, 0.2), transparent);
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* ===== SCROLL BAR PERSONNALISÉE ===== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
  background: var(--gradient-primary);
  border-radius: 4px;
}

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

/* ===== SÉLECTION DE TEXTE ===== */
::selection {
  background: var(--primary-light);
  color: var(--white);
}

::-moz-selection {
  background: var(--primary-light);
  color: var(--white);
}

/* ===== ADMIN STYLES ===== */
.admin-modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(5px);
}

.admin-modal-content {
  background-color: var(--white);
  margin: 15% auto;
  padding: var(--spacing-2xl);
  border-radius: var(--border-radius-xl);
  width: 90%;
  max-width: 400px;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.admin-close {
  color: var(--gray-500);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  position: absolute;
  right: var(--spacing-lg);
  top: var(--spacing-lg);
}

.admin-close:hover {
  color: var(--gray-700);
}

.admin-modal h2 {
  color: var(--secondary-color);
  margin-bottom: var(--spacing-xl);
  text-align: center;
}

.checkbox-container {
  display: flex;
  align-items: center;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--gray-600);
}

.checkbox-container input {
  margin-right: var(--spacing-sm);
}

.admin-panel {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--gray-100);
  z-index: 999;
  overflow-y: auto;
}

.admin-header {
  background: var(--white);
  padding: var(--spacing-lg) var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.admin-header h2 {
  color: var(--secondary-color);
  margin: 0;
}

.admin-content {
  padding: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.admin-section {
  background: var(--white);
  padding: var(--spacing-xl);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.admin-section h3 {
  color: var(--secondary-color);
  margin-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--gray-200);
  padding-bottom: var(--spacing-sm);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
}

.stat-card {
  background: var(--gradient-primary);
  color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  text-align: center;
}

.stat-card h4 {
  margin: 0 0 var(--spacing-sm) 0;
  font-size: var(--font-size-sm);
  opacity: 0.9;
}

.stat-card span {
  font-size: var(--font-size-3xl);
  font-weight: 700;
}

.message-item {
  background: var(--gray-50);
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-md);
  border-left: 4px solid var(--primary-color);
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.message-info {
  font-weight: 600;
  color: var(--secondary-color);
}

.message-date {
  font-size: var(--font-size-sm);
  color: var(--gray-500);
}

.message-subject {
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--spacing-xs);
}

.message-content {
  color: var(--gray-600);
  line-height: 1.5;
}

@media (max-width: 768px) {
  .admin-modal-content {
    margin: 10% auto;
    width: 95%;
  }
  
  .admin-header {
    flex-direction: column;
    gap: var(--spacing-md);
  }
  
  .stats-grid {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== STYLES POUR LES MESSAGES ADMIN ===== */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #e9ecef;
}

.section-header h3 {
  margin: 0;
  color: #343a40;
}

.delete-all-btn {
  background: #dc3545;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9em;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.delete-all-btn:hover {
  background: #c82333;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(220, 53, 69, 0.3);
}

.refresh-btn {
  background: #28a745;
  color: white;
  border: none;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9em;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.refresh-btn:hover {
  background: #218838;
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(40, 167, 69, 0.3);
}

.refresh-btn i {
  transition: transform 0.3s ease;
}

.refresh-btn:hover i {
  transform: rotate(180deg);
}

.no-messages {
  text-align: center;
  color: #6c757d;
  font-style: italic;
  padding: 40px 20px;
  background: #f8f9fa;
  border-radius: 8px;
  border: 2px dashed #dee2e6;
}

.message-item {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 1px solid #e9ecef;
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.message-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(45deg, #007bff, #0056b3);
}

.message-item:hover {
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
  border-color: #007bff;
}

.message-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #dee2e6;
}

.message-info {
  flex: 1;
}

.message-info strong {
  color: #343a40;
  font-size: 1.1em;
}

.message-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.message-date {
  font-size: 0.85em;
  color: #6c757d;
  background: #e9ecef;
  padding: 4px 8px;
  border-radius: 4px;
  white-space: nowrap;
}

.delete-message-btn {
  background: #dc3545;
  color: white;
  border: none;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8em;
  transition: all 0.3s ease;
  opacity: 0.7;
}

.delete-message-btn:hover {
  background: #c82333;
  opacity: 1;
  transform: scale(1.1);
}

.message-subject {
  font-weight: 600;
  color: #495057;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
  background: #e3f2fd;
  padding: 8px 12px;
  border-radius: 6px;
  border-left: 3px solid #2196f3;
}

.message-subject i {
  color: #2196f3;
}

.message-content {
  color: #495057;
  line-height: 1.6;
  background: white;
  padding: 16px;
  border-radius: 8px;
  border: 1px solid #e9ecef;
  font-size: 0.95em;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.05);
}

/* Animation pour les statistiques */
.stat-number {
  transition: all 0.3s ease;
}

/* ===== MODAL DE CONFIRMATION PERSONNALISÉ ===== */
.confirm-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(5px);
}

.confirm-modal.show {
  opacity: 1;
  visibility: visible;
}

.confirm-content {
  background: white;
  border-radius: 16px;
  padding: 30px;
  max-width: 400px;
  width: 90%;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transform: scale(0.7) translateY(50px);
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.confirm-modal.show .confirm-content {
  transform: scale(1) translateY(0);
}

.confirm-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, #ff6b6b, #ee5a52);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: white;
  animation: pulse 2s infinite;
}

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

.confirm-title {
  font-size: 1.4em;
  font-weight: 600;
  color: #343a40;
  margin-bottom: 10px;
}

.confirm-message {
  color: #6c757d;
  margin-bottom: 25px;
  line-height: 1.5;
}

.confirm-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

.confirm-btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-size: 0.95em;
  min-width: 100px;
}

.confirm-btn-yes {
  background: linear-gradient(135deg, #dc3545, #c82333);
  color: white;
}

.confirm-btn-yes:hover {
  background: linear-gradient(135deg, #c82333, #a71e2a);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

.confirm-btn-no {
  background: #f8f9fa;
  color: #495057;
  border: 2px solid #dee2e6;
}

.confirm-btn-no:hover {
  background: #e9ecef;
  border-color: #adb5bd;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Responsive pour les messages */
@media (max-width: 768px) {
  .section-header {
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
  }
  
  .message-header {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }
  
  .message-actions {
    justify-content: space-between;
  }
  
  .message-item {
    padding: 16px;
  }
  
  .confirm-content {
    padding: 25px 20px;
    margin: 20px;
  }
  
  .confirm-buttons {
    flex-direction: column;
  }
  
  .confirm-btn {
    width: 100%;
  }
}

/* ===== STYLES POUR LE BOUTON RÉPONDRE ===== */
.reply-message-btn {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.8em;
  transition: all 0.3s ease;
  opacity: 0.8;
  margin-right: 8px;
}

.reply-message-btn:hover {
  background: linear-gradient(135deg, #5a67d8, #6b46c1);
  opacity: 1;
  transform: scale(1.1);
  box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

/* ===== MODAL DE RÉPONSE ===== */
.reply-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 10001;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
}

.reply-modal.show {
  opacity: 1;
  visibility: visible;
}

.reply-content {
  background: white;
  border-radius: 16px;
  width: 90%;
  max-width: 700px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.4);
  transform: scale(0.8) translateY(50px);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reply-modal.show .reply-content {
  transform: scale(1) translateY(0);
}

.reply-header {
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
  padding: 25px 30px;
  border-radius: 16px 16px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.reply-header h3 {
  margin: 0;
  font-size: 1.4em;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 10px;
}

.reply-close {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.2em;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.reply-close:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

.original-message {
  background: #f8f9ff;
  margin: 25px 30px;
  padding: 20px;
  border-radius: 12px;
  border-left: 4px solid #667eea;
}

.original-message h4 {
  margin: 0 0 15px 0;
  color: #4c51bf;
  font-size: 1.1em;
}

.original-content p {
  margin: 8px 0;
  color: #4a5568;
}

.original-text {
  background: white;
  padding: 15px;
  border-radius: 8px;
  margin-top: 10px;
  border: 1px solid #e2e8f0;
  color: #2d3748;
  line-height: 1.6;
  font-style: italic;
}

.reply-form {
  padding: 0 30px 30px 30px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: #4a5568;
  font-size: 0.95em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid #e2e8f0;
  border-radius: 8px;
  font-size: 1em;
  transition: all 0.3s ease;
  font-family: inherit;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: #667eea;
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  background: #fafbff;
}

.form-group textarea {
  min-height: 120px;
  line-height: 1.6;
}

.reply-actions {
  display: flex;
  gap: 15px;
  justify-content: flex-end;
  margin-top: 25px;
  padding-top: 20px;
  border-top: 1px solid #e2e8f0;
}

.btn-cancel {
  background: #f7fafc;
  color: #4a5568;
  border: 2px solid #e2e8f0;
  padding: 12px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.95em;
}

.btn-cancel:hover {
  background: #edf2f7;
  border-color: #cbd5e0;
  transform: translateY(-1px);
}

.btn-send {
  background: linear-gradient(135deg, #667eea, #764ba2);
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  font-size: 0.95em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-send:hover {
  background: linear-gradient(135deg, #5a67d8, #6b46c1);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-send:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* Responsive pour le modal de réponse */
@media (max-width: 768px) {
  .reply-content {
    width: 95%;
    margin: 20px;
    max-height: 85vh;
  }
  
  .reply-header {
    padding: 20px;
  }
  
  .reply-header h3 {
    font-size: 1.2em;
  }
  
  .original-message,
  .reply-form {
    margin: 20px;
    padding: 15px;
  }
  
  .reply-actions {
    flex-direction: column;
  }
  
  .btn-cancel,
  .btn-send {
    width: 100%;
    justify-content: center;
  }
  
  .message-actions {
    flex-wrap: wrap;
    gap: 8px;
  }
  
  .reply-message-btn,
  .delete-message-btn {
    flex: 1;
    min-width: 80px;
  }
}