@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg-deep: #050a1a;
  --bg-card: rgba(16, 24, 48, 0.7);
  --accent-blue: #0033ff;
  --accent-cyan: #00d2ff;
  --text-primary: #ffffff;
  --text-secondary: #94a3b8;
  --success-green: #10b981;
  --warning-yellow: #f59e0b;
  --danger-red: #ef4444;
  --glass-border: rgba(255, 255, 255, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-deep);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  height: 100vh;
}

#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: rgba(5, 10, 26, 0.8);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
}

.logo-icon {
  width: 28px;
  height: 28px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 6px;
}

.user-info {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.main-content {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.header-section {
  margin-bottom: 2rem;
}

.heading {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.subheading {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-inactive {
  background: rgba(239, 68, 68, 0.1);
  color: var(--danger-red);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success-green);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.btn {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
  font-size: 0.9rem;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: white;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 51, 255, 0.3);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1.5rem;
}

.data-table th {
  text-align: left;
  padding: 1rem;
  color: var(--text-secondary);
  font-weight: 500;
  border-bottom: 1px solid var(--glass-border);
}

.data-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--glass-border);
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.modal {
  background: #0f172a;
  width: 90%;
  max-width: 600px;
  border-radius: 20px;
  border: 1px solid var(--glass-border);
  padding: 2.5rem;
  position: relative;
}

.modal h2 {
  margin-bottom: 1.5rem;
}

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

.label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.input {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: white;
  outline: none;
  transition: all 0.2s ease;
}


.processing-view {
  display: none;
  text-align: center;
}

.loader {
  width: 60px;
  height: 60px;
  border: 4px solid rgba(255, 255, 255, 0.1);
  border-left-color: var(--accent-cyan);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 2rem auto;
}

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

/* ============================================
   NOTIFICATIONS TOAST
   ============================================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 1rem 1.5rem;
  border-radius: 12px;
  color: white;
  font-weight: 500;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 300px;
  max-width: 450px;
  animation: slideIn 0.3s ease-out;
  transition: all 0.3s ease;
}

.toast.success {
  background: rgba(16, 185, 129, 0.9);
}

.toast.error {
  background: rgba(239, 68, 68, 0.9);
}

.toast.warning {
  background: rgba(245, 158, 11, 0.9);
}

.toast.info {
  background: rgba(0, 51, 255, 0.9);
}

.toast.hiding {
  animation: slideOut 0.3s ease-in forwards;
}

.toast-icon {
  font-size: 1.2rem;
}

@keyframes slideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOut {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}

/* ============================================
   BOUTONS AMÉLIORÉS
   ============================================ */
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

.btn-loading {
  pointer-events: none;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-left-color: white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
}

/* ============================================
   CHAMPS DE FORMULAIRE AMÉLIORÉS
   ============================================ */
.input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px rgba(0, 51, 255, 0.2);
  outline: none;
}

.input.error {
  border-color: var(--danger-red);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2);
}

.input.success {
  border-color: var(--success-green);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.input-error-msg {
  color: var(--danger-red);
  font-size: 0.75rem;
  margin-top: 0.25rem;
  display: none;
}

.input-error-msg.visible {
  display: block;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   ANIMATIONS SUPPLÉMENTAIRES
   ============================================ */
.fade-in {
  animation: fadeIn 0.3s ease-out;
}

.slide-up {
  animation: slideUp 0.3s ease-out;
}

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

/* Hover effects */
.card:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  transform: translateY(-2px);
  transition: all 0.3s ease;
}

.client-item {
  transition: all 0.2s ease;
}

/* Focus visible for accessibility */
.btn:focus-visible,
.input:focus-visible {
  outline: 2px solid var(--accent-cyan);
  outline-offset: 2px;
}

/* ============================================
   MODAL AMÉLIORÉ
   ============================================ */
.modal-overlay {
  transition: opacity 0.3s ease;
}

.modal {
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(-20px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

/* Close button for modal */
.modal-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s;
}

.modal-close:hover {
  color: white;
}

/* ============================================
   ÉTATS DE PROGRESSION
   ============================================ */
.progress-bar {
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin: 1rem 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
  border-radius: 2px;
  transition: width 0.3s ease;
}

.step-indicator {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 1.5rem 0;
}

.step-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.step-dot.active {
  background: var(--accent-cyan);
  box-shadow: 0 0 10px var(--accent-cyan);
}

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

/* ============================================
   SKELETON LOADING
   ============================================ */
.skeleton {
  background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: 8px;
}

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