/* ============================================================================
   MATCHMATES - DESIGN SYSTEM AMÉLIORÉ
   Style cohérent, animations fluides, esthétique moderne
   ============================================================================ */

/* ===== VARIABLES GLOBALES ===== */
:root {
  /* Couleurs principales */
  --primary-color: #22c55e;
  --primary-hover: #16a34a;
  --primary-light: rgba(34, 197, 94, 0.1);

  --accent-blue: #3b82f6;
  --accent-purple: #a855f7;
  --accent-pink: #ec4899;

  /* Backgrounds */
  --bg-main: #020617;
  --bg-elevated: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #1e293b;
  --bg-hover: #334155;

  /* Textes */
  --text-main: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --text-disabled: #64748b;

  /* Bordures */
  --border-color: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(255, 255, 255, 0.2);

  /* Ombres */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 20px rgba(34, 197, 94, 0.3);

  /* Bordures arrondies */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Espacements */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

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

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

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, #0f172a 0%, #020617 100%);
  background-attachment: fixed;
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Effet de fond animé */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(circle at 20% 50%, rgba(34, 197, 94, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
  animation: backgroundPulse 10s ease-in-out infinite;
}

@keyframes backgroundPulse {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--bg-hover);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-main);
  transition: background var(--transition-base);
}

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

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

/* ===== TYPOGRAPHIE ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  background: linear-gradient(135deg, var(--text-main) 0%, var(--text-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: titleFadeIn 0.8s ease-out;
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.875rem);
}

h4 {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-secondary);
  font-size: clamp(0.9rem, 2vw, 1rem);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-base);
  cursor: pointer;
}

a:hover {
  color: var(--primary-hover);
}

/* ===== ANIMATIONS GLOBALES ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

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

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

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

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

@keyframes titleFadeIn {
  from {
    opacity: 0;
    transform: translateY(-20px);
    filter: blur(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@keyframes rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(34, 197, 94, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(34, 197, 94, 0.6);
  }
}

/* ===== CLASSES UTILITAIRES D'ANIMATION ===== */
.animate-fadeIn {
  animation: fadeIn 0.5s ease-out forwards;
}

.animate-fadeInScale {
  animation: fadeInScale 0.5s ease-out forwards;
}

.animate-slideInLeft {
  animation: slideInFromLeft 0.6s ease-out forwards;
}

.animate-slideInRight {
  animation: slideInFromRight 0.6s ease-out forwards;
}

.animate-slideInTop {
  animation: slideInFromTop 0.6s ease-out forwards;
}

.animate-slideInBottom {
  animation: slideInFromBottom 0.6s ease-out forwards;
}

.animate-pulse {
  animation: pulse 2s ease-in-out infinite;
}

.animate-float {
  animation: float 3s ease-in-out infinite;
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

/* Délais d'animation pour les listes */
.animate-delay-100 { animation-delay: 100ms; }
.animate-delay-200 { animation-delay: 200ms; }
.animate-delay-300 { animation-delay: 300ms; }
.animate-delay-400 { animation-delay: 400ms; }
.animate-delay-500 { animation-delay: 500ms; }

/* ===== BOUTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: var(--radius-lg);
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
  color: #ffffff;
  box-shadow: 0 4px 20px rgba(34, 197, 94, 0.3);
}

.btn-primary:hover {
  box-shadow: 0 6px 30px rgba(34, 197, 94, 0.4);
  transform: translateY(-2px);
}

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

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

.btn-outline {
  background: transparent;
  color: var(--text-main);
  border: 2px solid var(--border-color);
}

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

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text-main);
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1.1rem;
}

.btn-icon {
  padding: 0.75rem;
  border-radius: var(--radius-full);
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ===== CARTES ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  animation: fadeInScale 0.5s ease-out;
}

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

.card-header {
  margin-bottom: var(--space-lg);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}

.card-body {
  color: var(--text-secondary);
}

.card-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

/* ===== INPUTS & FORMULAIRES ===== */
.form-group {
  margin-bottom: var(--space-lg);
  animation: fadeIn 0.5s ease-out;
}

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--bg-input);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  font-size: 0.95rem;
  font-family: inherit;
  transition: all var(--transition-base);
}

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

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
  border-color: var(--border-hover);
}

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

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

.form-error {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: #ef4444;
  animation: slideInFromLeft 0.3s ease-out;
}

.form-helper {
  margin-top: var(--space-sm);
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ===== BADGES & TAGS ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  animation: fadeInScale 0.4s ease-out;
}

.badge-primary {
  background: var(--primary-light);
  color: var(--primary-color);
}

.badge-success {
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
}

.badge-warning {
  background: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.badge-danger {
  background: rgba(239, 68, 68, 0.1);
  color: #ef4444;
}

.badge-info {
  background: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

/* ===== LOADING & SKELETON ===== */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: 50%;
  animation: rotate 1s linear infinite;
}

.loading-lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-card) 0%,
    var(--bg-hover) 50%,
    var(--bg-card) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-sm);
}

.skeleton-circle {
  border-radius: 50%;
}

/* ===== TOOLTIPS ===== */
[data-tooltip] {
  position: relative;
  cursor: help;
}

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(-8px);
  padding: 0.5rem 0.75rem;
  background: var(--bg-elevated);
  color: var(--text-main);
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-tooltip);
}

[data-tooltip]:hover::before {
  opacity: 1;
  transform: translateX(-50%) translateY(-12px);
}

/* ===== ALERTS & NOTIFICATIONS ===== */
.alert {
  padding: var(--space-lg);
  border-radius: var(--radius-md);
  border-left: 4px solid;
  margin-bottom: var(--space-lg);
  animation: slideInFromTop 0.5s ease-out;
}

.alert-success {
  background: rgba(34, 197, 94, 0.1);
  border-color: #22c55e;
  color: #22c55e;
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: #f59e0b;
  color: #f59e0b;
}

.alert-danger {
  background: rgba(239, 68, 68, 0.1);
  border-color: #ef4444;
  color: #ef4444;
}

.alert-info {
  background: rgba(59, 130, 246, 0.1);
  border-color: #3b82f6;
  color: #3b82f6;
}

/* ===== GRILLES & LAYOUTS ===== */
.grid {
  display: grid;
  gap: var(--space-xl);
}

.grid-cols-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 768px) {
  .grid-cols-2,
  .grid-cols-3,
  .grid-cols-4 {
    grid-template-columns: 1fr;
  }
}

.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  flex-direction: column;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }

/* ===== CLASSES UTILITAIRES ===== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-primary { color: var(--primary-color); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  :root {
    font-size: 15px;
  }
}

@media (max-width: 768px) {
  :root {
    font-size: 14px;
  }

  .btn {
    padding: 0.625rem 1.25rem;
    font-size: 0.9rem;
  }

  .card {
    padding: var(--space-lg);
  }
}

@media (max-width: 480px) {
  .btn-lg {
    padding: 0.875rem 1.5rem;
    font-size: 1rem;
  }
}

/* ===== ACCESSIBILITÉ ===== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* ===== PRINT ===== */
@media print {
  body {
    background: white;
    color: black;
  }

  .btn,
  nav,
  header {
    display: none;
  }
}