/* ==========================================
   FOOTER
   ========================================== */

.footer {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(10px);
  border-top: 1px solid color-mix(in srgb, var(--primary) 10%, transparent);
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
  margin-top: var(--spacing-4xl);
}

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

/* === Logo et description === */
.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-lg);
}

.footer-logo img {
  transition: filter 0.3s ease;
}

/* Modes clairs : inverser le logo (texte blanc → noir, orange préservé) */
body.particles-mode .footer-logo img,
body.elegant-mode .footer-logo img,
body.sobre-mode .footer-logo img,
body.tuning-mode .footer-logo img {
  filter: invert(1) hue-rotate(180deg) saturate(2);
}

.footer-description {
  max-width: 350px;
  color: var(--text-muted);
  margin-bottom: var(--spacing-xl);
  line-height: var(--line-height-relaxed);
}

/* === Social links === */
.footer-social {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-lg);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-md);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
  color: var(--text-muted);
  transition: all 0.3s ease;
}

.social-link:hover {
  background: color-mix(in srgb, var(--primary) 8%, transparent);
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-3px);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--primary) 18%, transparent);
}


/* === Colonnes === */
.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--spacing-lg);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--text-muted);
  font-size: var(--font-size-base);
  transition: all 0.3s ease;
  display: inline-block;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--primary);
  transform: translateX(5px);
}

/* === Bottom === */
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-xl);
  border-top: 1px solid color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.footer-tagline {
  font-style: italic;
}

/* === Responsive === */
@media (max-width: 1024px) {
  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
  }
}

@media (max-width: 768px) {
  .footer {
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
  }

  .footer-content {
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl) var(--spacing-lg);
  }

  /* La colonne branding (logo + description + social) prend toute la largeur */
  .footer-col:first-child {
    grid-column: 1 / -1;
    text-align: center;
  }

  .footer-logo {
    justify-content: center;
  }

  .footer-description {
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
  }

  .footer-social {
    justify-content: center;
  }

  /* La colonne légale (peu de liens) prend aussi toute la largeur en bas */
  .footer-col:last-child {
    grid-column: 1 / -1;
    text-align: center;
  }

  .footer-links a:hover {
    transform: none;
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }
}

/* ==========================================
   FOOTER - Thème paramétrable (light/dark)
   Contrôlé par footer_theme dans server.py
   ========================================== */

/* === FOOTER LIGHT (défaut) === */
.footer.footer-light {
  background: rgba(255, 255, 255, 0.7);
  border-top-color: color-mix(in srgb, var(--primary) 10%, transparent);
}

.footer.footer-light .footer-bottom {
  color: #64748b;
}

.footer.footer-light .footer-tagline {
  color: #64748b;
}

/* === FOOTER DARK === */
.footer.footer-dark {
  background: rgba(10, 10, 15, 0.95);
  border-top-color: color-mix(in srgb, var(--primary) 15%, transparent);
}

.footer.footer-dark .footer-logo {
  color: #ffffff;
}

.footer.footer-dark .footer-description {
  color: rgba(255, 255, 255, 0.7);
}

.footer.footer-dark .footer-title {
  color: #ffffff;
}

.footer.footer-dark .footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

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

.footer.footer-dark .social-link {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

.footer.footer-dark .social-link:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  border-color: var(--primary);
  color: #ffffff;
}

.footer.footer-dark .footer-bottom {
  border-top-color: color-mix(in srgb, var(--primary) 15%, transparent);
  color: rgba(255, 255, 255, 0.75);
}

.footer.footer-dark .footer-tagline {
  color: rgba(255, 255, 255, 0.65);
}

.footer.footer-dark .footer-bottom p,
.footer.footer-dark .footer-bottom span {
  color: rgba(255, 255, 255, 0.75);
}

.footer.footer-dark .text-gradient {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent-light) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ==========================================
   FOOTER - Mode particles (fond CLAIR)
   Le mode particles utilise un fond clair beige
   ========================================== */
body.particles-mode .footer {
  background: rgba(255, 255, 255, 0.7);
  border-top-color: color-mix(in srgb, var(--primary) 15%, transparent);
}

body.particles-mode .footer-bottom {
  color: #64748b;
}

body.particles-mode .footer-tagline {
  color: #64748b;
}

/* ==========================================
   FOOTER - Mode particles_dark (fond SOMBRE)
   ========================================== */
body.particles-dark-mode .footer {
  background: #0a0a0f;
  border-top-color: color-mix(in srgb, var(--primary) 15%, transparent);
}

body.particles-dark-mode .footer-logo {
  color: #ffffff;
}

body.particles-dark-mode .footer-description {
  color: rgba(255, 255, 255, 0.7);
}

body.particles-dark-mode .footer-title {
  color: #ffffff;
}

body.particles-dark-mode .footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

body.particles-dark-mode .footer-links a:hover {
  color: var(--primary);
}

body.particles-dark-mode .social-link {
  background: rgba(255, 255, 255, 0.03);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

body.particles-dark-mode .social-link:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  border-color: var(--primary);
  color: #ffffff;
}

body.particles-dark-mode .footer-bottom {
  border-top-color: color-mix(in srgb, var(--primary) 15%, transparent);
  color: rgba(255, 255, 255, 0.75);
}

body.particles-dark-mode .footer-tagline {
  color: rgba(255, 255, 255, 0.65);
}

body.particles-dark-mode .footer-bottom span {
  color: rgba(255, 255, 255, 0.75);
}

/* ==========================================
   FOOTER - Mode flow
   ========================================== */
body.flow-mode .footer {
  background: rgba(5, 5, 16, 0.9);
  border-top-color: rgba(255, 255, 255, 0.05);
}

body.flow-mode .footer-logo {
  color: #ffffff;
}

body.flow-mode .footer-description {
  color: rgba(255, 255, 255, 0.7);
}

body.flow-mode .footer-title {
  color: #ffffff;
}

body.flow-mode .footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

body.flow-mode .footer-links a:hover {
  color: var(--primary);
}

body.flow-mode .social-link {
  background: rgba(20, 20, 35, 0.6);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

body.flow-mode .social-link:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  border-color: var(--primary);
  color: #ffffff;
}

body.flow-mode .footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.75);
}

body.flow-mode .footer-tagline {
  color: rgba(255, 255, 255, 0.65);
}

body.flow-mode .footer-bottom span {
  color: rgba(255, 255, 255, 0.75);
}

/* ==========================================
   FOOTER - Mode fog
   ========================================== */
body.fog-mode .footer {
  background: rgba(5, 5, 16, 0.9);
  border-top-color: rgba(255, 255, 255, 0.05);
}

body.fog-mode .footer-logo {
  color: #ffffff;
}

body.fog-mode .footer-description {
  color: rgba(255, 255, 255, 0.7);
}

body.fog-mode .footer-title {
  color: #ffffff;
}

body.fog-mode .footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

body.fog-mode .footer-links a:hover {
  color: var(--primary);
}

body.fog-mode .social-link {
  background: rgba(20, 20, 35, 0.6);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

body.fog-mode .social-link:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  border-color: var(--primary);
  color: #ffffff;
}

body.fog-mode .footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.75);
}

body.fog-mode .footer-tagline {
  color: rgba(255, 255, 255, 0.65);
}

body.fog-mode .footer-bottom span {
  color: rgba(255, 255, 255, 0.75);
}

/* ==========================================
   FOOTER - Mode neural
   ========================================== */
body.neural-mode .footer {
  background: rgba(5, 5, 16, 0.95);
  border-top-color: color-mix(in srgb, var(--primary) 10%, transparent);
}

body.neural-mode .footer-logo,
body.neural-mode .footer-title {
  color: #ffffff;
}

body.neural-mode .footer-description,
body.neural-mode .footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

body.neural-mode .footer-links a:hover {
  color: var(--primary);
}

body.neural-mode .social-link {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

body.neural-mode .social-link:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  border-color: var(--primary);
  color: #ffffff;
}

body.neural-mode .footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.75);
}

body.neural-mode .footer-tagline,
body.neural-mode .footer-bottom span {
  color: rgba(255, 255, 255, 0.65);
}

/* ==========================================
   FOOTER - Mode aurora
   ========================================== */
body.aurora-mode .footer {
  background: rgba(5, 5, 16, 0.95);
  border-top-color: color-mix(in srgb, var(--primary) 10%, transparent);
}

body.aurora-mode .footer-logo,
body.aurora-mode .footer-title {
  color: #ffffff;
}

body.aurora-mode .footer-description,
body.aurora-mode .footer-links a {
  color: rgba(255, 255, 255, 0.7);
}

body.aurora-mode .footer-links a:hover {
  color: var(--primary);
}

body.aurora-mode .social-link {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.7);
}

body.aurora-mode .social-link:hover {
  background: linear-gradient(135deg, var(--primary), var(--accent-light));
  border-color: var(--primary);
  color: #ffffff;
}

body.aurora-mode .footer-bottom {
  border-top-color: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.75);
}

body.aurora-mode .footer-tagline,
body.aurora-mode .footer-bottom span {
  color: rgba(255, 255, 255, 0.65);
}