/* ===== VARIABLES ===== */
:root {
  --fond-principal: #0d0f14;
  --fond-secondaire: #13161d;
  --fond-carte: rgba(255, 255, 255, 0.04);
  --fond-carte-hover: rgba(255, 255, 255, 0.07);
  --bordure: rgba(255, 255, 255, 0.08);
  --bordure-active: rgba(100, 180, 255, 0.4);
  --texte-principal: #e8eaf0;
  --texte-secondaire: #8b90a0;
  --texte-faible: #555a6a;
  --accent: #3d9bff;
  --accent-doux: rgba(61, 155, 255, 0.15);
  --succes: #34d399;
  --succes-doux: rgba(52, 211, 153, 0.12);
  --danger: #f87171;
  --danger-doux: rgba(248, 113, 113, 0.12);
  --avertissement: #fbbf24;
  --avertissement-doux: rgba(251, 191, 36, 0.12);
  --lueur-accent: 0 0 40px rgba(61, 155, 255, 0.12);
  --lueur-succes: 0 0 30px rgba(52, 211, 153, 0.1);
  --rayon: 12px;
  --rayon-grand: 18px;
  --ombre-carte: 0 4px 24px rgba(0,0,0,0.3);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="jour"] {
  --fond-principal: #f0f2f7;
  --fond-secondaire: #ffffff;
  --fond-carte: rgba(255, 255, 255, 0.85);
  --fond-carte-hover: rgba(255, 255, 255, 1);
  --bordure: rgba(0, 0, 0, 0.08);
  --bordure-active: rgba(37, 99, 235, 0.5);
  --texte-principal: #1a1d27;
  --texte-secondaire: #5c6070;
  --texte-faible: #9ca3af;
  --accent: #2563eb;
  --accent-doux: rgba(37, 99, 235, 0.1);
  --succes: #059669;
  --danger: #dc2626;
  --avertissement: #d97706;
  --lueur-accent: 0 0 0 transparent;
  --ombre-carte: 0 2px 12px rgba(0,0,0,0.08);
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; font-family: 'Inter', sans-serif; background: var(--fond-principal); color: var(--texte-principal); transition: background 0.3s, color 0.3s; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; border: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ===== SPLASH SCREEN ===== */
.splash-screen {
  position: fixed; inset: 0;
  background: #0d0f14;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center; gap: 40px;
  z-index: 9999;
}
.splash-logo { display: flex; align-items: center; gap: 16px; }
.splash-icon {
  width: 52px; height: 52px;
  background: var(--accent);
  border-radius: 14px;
  box-shadow: 0 0 40px rgba(61, 155, 255, 0.5);
  animation: pulser 2s ease-in-out infinite;
}
.splash-nom { font-size: 32px; font-weight: 700; letter-spacing: 6px; color: #e8eaf0; }
.splash-barre { width: 200px; height: 3px; background: rgba(255,255,255,0.08); border-radius: 2px; overflow: hidden; }
.splash-progression {
  height: 100%; width: 0;
  background: var(--accent);
  border-radius: 2px;
  animation: charger 2s ease-in-out forwards;
  box-shadow: 0 0 10px var(--accent);
}

@keyframes charger { 0%{width:0} 60%{width:80%} 100%{width:100%} }
@keyframes pulser { 0%,100%{box-shadow:0 0 40px rgba(61,155,255,0.5)} 50%{box-shadow:0 0 60px rgba(61,155,255,0.8)} }

/* ===== PARTICULES FOND ===== */
.fond-anime {
  position: fixed; inset: 0; pointer-events: none; overflow: hidden; z-index: 0;
}
.particule {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(61,155,255,0.15) 0%, transparent 70%);
  animation: flotter var(--duree, 12s) ease-in-out infinite;
}
.particule:nth-child(1) { width: 400px; height: 400px; top: -100px; left: -100px; --duree: 14s; }
.particule:nth-child(2) { width: 300px; height: 300px; top: 40%; right: -80px; --duree: 18s; animation-delay: -5s; }
.particule:nth-child(3) { width: 250px; height: 250px; bottom: -60px; left: 30%; --duree: 22s; animation-delay: -8s; }

@keyframes flotter {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(20px, -30px) scale(1.05); }
  66% { transform: translate(-15px, 20px) scale(0.95); }
}

/* ===== LAYOUT ===== */
.app-conteneur { display: flex; min-height: 100vh; position: relative; z-index: 1; }

/* ===== NAVIGATION LATERALE ===== */
.nav-laterale {
  width: 240px; min-height: 100vh;
  background: var(--fond-secondaire);
  border-right: 1px solid var(--bordure);
  display: flex; flex-direction: column;
  position: fixed; top: 0; left: 0; bottom: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.nav-logo {
  padding: 24px 20px;
  display: flex; align-items: center; gap: 12px;
  border-bottom: 1px solid var(--bordure);
}
.nav-logo-icone {
  width: 36px; height: 36px;
  background: var(--accent);
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(61,155,255,0.4);
  flex-shrink: 0;
}
.nav-logo-texte { font-size: 18px; font-weight: 700; letter-spacing: 2px; }
.nav-liens { flex: 1; padding: 16px 12px; display: flex; flex-direction: column; gap: 4px; }
.nav-lien {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px;
  border-radius: var(--rayon);
  color: var(--texte-secondaire);
  font-size: 14px; font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.nav-lien:hover { background: var(--fond-carte); color: var(--texte-principal); }
.nav-lien.actif {
  background: var(--accent-doux);
  color: var(--accent);
  box-shadow: var(--lueur-accent);
}
.nav-lien.actif::before {
  content: '';
  position: absolute; left: 0; top: 8px; bottom: 8px;
  width: 3px; border-radius: 2px;
  background: var(--accent);
}
.nav-icone { font-size: 18px; width: 22px; text-align: center; }
.nav-pied {
  padding: 16px 12px;
  border-top: 1px solid var(--bordure);
  display: flex; flex-direction: column; gap: 8px;
}
.nav-mode {
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 14px;
  background: var(--fond-carte);
  border-radius: var(--rayon);
  font-size: 13px; color: var(--texte-secondaire);
}
.interrupteur {
  position: relative; width: 40px; height: 22px;
}
.interrupteur input { opacity: 0; width: 0; height: 0; }
.curseur-inter {
  position: absolute; inset: 0;
  background: var(--bordure);
  border-radius: 11px; cursor: pointer;
  transition: var(--transition);
}
.curseur-inter::before {
  content: ''; position: absolute;
  left: 3px; top: 3px;
  width: 16px; height: 16px;
  background: white; border-radius: 50%;
  transition: var(--transition);
}
.interrupteur input:checked + .curseur-inter { background: var(--accent); }
.interrupteur input:checked + .curseur-inter::before { transform: translateX(18px); }

.btn-deconnexion {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  background: var(--danger-doux);
  color: var(--danger);
  border-radius: var(--rayon);
  font-size: 13px; font-weight: 500;
  transition: var(--transition);
  width: 100%;
}
.btn-deconnexion:hover { background: rgba(248,113,113,0.2); }

/* ===== CONTENU PRINCIPAL ===== */
.contenu-principal {
  margin-left: 240px;
  flex: 1;
  padding: 32px;
  min-height: 100vh;
}
.entete-page {
  margin-bottom: 32px;
}
.entete-page h1 { font-size: 26px; font-weight: 700; margin-bottom: 6px; }
.entete-page p { font-size: 14px; color: var(--texte-secondaire); }

/* ===== GRILLE STATISTIQUES ===== */
.grille-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 32px; }

/* ===== CARTE DE VERRE ===== */
.carte-verre {
  background: var(--fond-carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-grand);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--ombre-carte);
  transition: var(--transition);
  overflow: hidden;
}
.carte-verre:hover { border-color: var(--bordure-active); transform: translateY(-2px); box-shadow: var(--ombre-carte), var(--lueur-accent); }
.carte-padding { padding: 24px; }

/* ===== CARTE STATISTIQUE ===== */
.carte-stat { padding: 22px; }
.carte-stat-entete { display: flex; align-items: flex-start; justify-content: space-between; margin-bottom: 16px; }
.carte-stat-icone { width: 44px; height: 44px; border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 20px; }
.carte-stat-valeur { font-size: 30px; font-weight: 700; margin-bottom: 4px; }
.carte-stat-libelle { font-size: 13px; color: var(--texte-secondaire); }
.carte-stat-variation { font-size: 12px; font-weight: 500; }
.variation-hausse { color: var(--succes); }
.variation-baisse { color: var(--danger); }

/* ===== TABLEAU ===== */
.conteneur-tableau { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left; padding: 12px 16px;
  font-size: 12px; font-weight: 600;
  color: var(--texte-secondaire);
  text-transform: uppercase; letter-spacing: 0.8px;
  border-bottom: 1px solid var(--bordure);
}
tbody tr { transition: var(--transition); }
tbody tr:hover { background: var(--fond-carte-hover); }
tbody td { padding: 14px 16px; border-bottom: 1px solid var(--bordure); vertical-align: middle; }
tbody tr:last-child td { border-bottom: none; }

/* ===== BADGES ===== */
.badge {
  display: inline-flex; align-items: center;
  padding: 4px 10px; border-radius: 20px;
  font-size: 12px; font-weight: 500;
}
.badge-succes { background: var(--succes-doux); color: var(--succes); }
.badge-danger { background: var(--danger-doux); color: var(--danger); }
.badge-info { background: var(--accent-doux); color: var(--accent); }
.badge-avertissement { background: var(--avertissement-doux); color: var(--avertissement); }

/* ===== BOUTONS ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: var(--rayon);
  font-size: 14px; font-weight: 500;
  transition: var(--transition);
}
.btn-principal { background: var(--accent); color: white; }
.btn-principal:hover { background: #5badff; box-shadow: 0 0 20px rgba(61,155,255,0.4); }
.btn-secondaire { background: var(--fond-carte); border: 1px solid var(--bordure); color: var(--texte-principal); }
.btn-secondaire:hover { border-color: var(--bordure-active); background: var(--fond-carte-hover); }
.btn-danger { background: var(--danger-doux); color: var(--danger); border: 1px solid rgba(248,113,113,0.2); }
.btn-danger:hover { background: rgba(248,113,113,0.2); }
.btn-petit { padding: 6px 12px; font-size: 13px; }
.btn-icone { padding: 8px; border-radius: 8px; }

/* ===== FORMULAIRE ===== */
.champ-groupe { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.champ-groupe label { font-size: 13px; font-weight: 500; color: var(--texte-secondaire); }
.champ-saisie {
  padding: 11px 14px;
  background: var(--fond-carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  color: var(--texte-principal);
  font-size: 14px;
  transition: var(--transition);
  width: 100%;
}
.champ-saisie:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-doux); }
.champ-saisie::placeholder { color: var(--texte-faible); }
select.champ-saisie { appearance: none; cursor: pointer; }

/* ===== POPUP ===== */
.popup-fond {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(6px);
  z-index: 500;
  display: flex; align-items: center; justify-content: center;
  animation: fonduEntrer 0.2s ease;
}
.popup-boite {
  background: var(--fond-secondaire);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon-grand);
  padding: 28px;
  width: 100%; max-width: 460px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5), var(--lueur-accent);
  animation: monterEntrer 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.popup-boite-large { max-width: 560px; }
.popup-entete { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; }
.popup-entete h3 { font-size: 18px; font-weight: 600; }
.popup-fermer { background: var(--fond-carte); border: 1px solid var(--bordure); color: var(--texte-secondaire); width: 32px; height: 32px; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-size: 16px; transition: var(--transition); }
.popup-fermer:hover { color: var(--texte-principal); border-color: var(--bordure-active); }
.popup-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }
.popup-icone-resultat { font-size: 44px; text-align: center; margin-bottom: 12px; }
.popup-message-resultat { text-align: center; }
.popup-message-resultat h3 { font-size: 18px; font-weight: 600; margin-bottom: 8px; }
.popup-message-resultat p { font-size: 14px; color: var(--texte-secondaire); }

@keyframes fonduEntrer { from { opacity: 0; } to { opacity: 1; } }
@keyframes monterEntrer { from { opacity: 0; transform: scale(0.92) translateY(20px); } to { opacity: 1; transform: scale(1) translateY(0); } }

/* ===== BARRE D'ACTIONS ===== */
.barre-actions {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 20px; gap: 12px; flex-wrap: wrap;
}
.barre-recherche {
  display: flex; align-items: center; gap: 10px;
  background: var(--fond-carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 0 14px;
  flex: 1; max-width: 320px;
}
.barre-recherche input { background: none; border: none; color: var(--texte-principal); font-size: 14px; padding: 10px 0; width: 100%; outline: none; }
.barre-recherche input::placeholder { color: var(--texte-faible); }

/* ===== CHARGEUR ===== */
.chargeur { display: flex; align-items: center; justify-content: center; padding: 60px; }
.chargeur-anneau {
  width: 36px; height: 36px;
  border: 3px solid var(--bordure);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: tourner 0.8s linear infinite;
}
@keyframes tourner { to { transform: rotate(360deg); } }

/* ===== ETAT VIDE ===== */
.etat-vide { text-align: center; padding: 60px 20px; color: var(--texte-secondaire); }
.etat-vide-icone { font-size: 48px; margin-bottom: 16px; opacity: 0.5; }
.etat-vide h3 { font-size: 18px; font-weight: 500; margin-bottom: 8px; color: var(--texte-principal); }
.etat-vide p { font-size: 14px; }

/* ===== IMAGE CARTE ===== */
.carte-image { width: 48px; height: 48px; border-radius: 10px; object-fit: cover; }
.carte-image-placeholder { width: 48px; height: 48px; border-radius: 10px; background: var(--fond-carte); border: 1px solid var(--bordure); display: flex; align-items: center; justify-content: center; font-size: 20px; }

/* ===== CONNEXION ===== */
.page-connexion {
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  padding: 20px;
  position: relative;
}
.boite-connexion {
  width: 100%; max-width: 420px;
  position: relative; z-index: 1;
}
.connexion-logo { text-align: center; margin-bottom: 36px; }
.connexion-logo-icone { width: 60px; height: 60px; background: var(--accent); border-radius: 16px; box-shadow: 0 0 40px rgba(61,155,255,0.5); margin: 0 auto 14px; }
.connexion-logo-titre { font-size: 28px; font-weight: 700; letter-spacing: 3px; }
.connexion-logo-sous { font-size: 14px; color: var(--texte-secondaire); margin-top: 4px; }

/* ===== ONBOARDING ===== */
.page-onboarding { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.onboarding-conteneur { max-width: 600px; width: 100%; text-align: center; }
.onboarding-etapes { display: flex; justify-content: center; gap: 8px; margin-bottom: 40px; }
.onboarding-point { width: 8px; height: 8px; border-radius: 4px; background: var(--bordure); transition: var(--transition); }
.onboarding-point.actif { background: var(--accent); width: 24px; box-shadow: 0 0 10px var(--accent); }
.onboarding-icone { font-size: 64px; margin-bottom: 24px; }
.onboarding-titre { font-size: 28px; font-weight: 700; margin-bottom: 14px; }
.onboarding-desc { font-size: 16px; color: var(--texte-secondaire); line-height: 1.7; margin-bottom: 36px; }
.onboarding-navigation { display: flex; gap: 12px; justify-content: center; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-laterale { transform: translateX(-100%); transition: transform 0.3s; }
  .nav-laterale.ouverte { transform: translateX(0); }
  .contenu-principal { margin-left: 0; padding: 20px; }
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bordure); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--texte-faible); }