/* sidebar.css - Gemini-style sidebar (persistent on desktop, slide-out on mobile) */
:root {
  --sidebar-width: 260px;
  --sidebar-collapsed-width: 80px;
  --bg: #000;
  --accent: #ffd400;
  --text: #ffffff;
  --muted: rgba(255, 255, 255, 0.7);
}

/* ===== SIDEBAR STRUCTURE ===== */
.sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--bg);
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  padding: 16px;
  overflow-y: auto;
  transform: translateX(-100%);
  transition: transform 0.3s ease;
  z-index: 1000;
}

/* Desktop: sidebar always visible */
@media (min-width: 768px) {
  .sidebar {
    transform: translateX(0);
  }
}

/* Collapsed sidebar (desktop) */
@media (min-width: 768px) {
  body.sidebar-collapsed {
    padding-left: var(--sidebar-collapsed-width);
  }

  body.sidebar-collapsed .sidebar {
    width: var(--sidebar-collapsed-width);
  }

  /* Adjust header position when collapsed */
  body.sidebar-collapsed .top-header {
    left: var(--sidebar-collapsed-width);
  }

  /* Simplified collapsed appearance: center links and reduce paddings */
  body.sidebar-collapsed .sidebar-nav .sidebar-link {
    padding-left: 0;
    padding-right: 0;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
  }

  body.sidebar-collapsed .sidebar-logo span {
    display: none;
  }

  body.sidebar-collapsed .sidebar-user-info,
  body.sidebar-collapsed .sidebar-user-menu,
  body.sidebar-collapsed .sidebar-footer-section h4,
  body.sidebar-collapsed .sidebar-footer-link {
    display: none;
  }
}

/* Mobile: sidebar slides in when open */
.sidebar.open {
  transform: translateX(0);
}

/* ===== SIDEBAR HEADER ===== */
.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-logo {
  color: var(--text);
  text-decoration: none;
  font-weight: 800;
  font-size: 18px;
  text-shadow: 0 0 10px rgba(255, 212, 64, 0.3);
}

.sidebar-close {
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--text);
  font-size: 24px;
  cursor: pointer;
  padding: 4px;
  margin-left: auto;
}

/* Hide close button on desktop */
@media (min-width: 768px) {
  .sidebar-close {
    display: none;
  }
}

/* ===== SIDEBAR NAV ===== */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-link {
  padding: 10px 12px;
  color: var(--text);
  text-decoration: none;
  border-radius: 6px;
  transition: all 0.2s ease;
  display: block;
  font-size: 15px;
}

.sidebar-link:hover {
  background: rgba(255, 212, 64, 0.08);
  color: var(--accent);
}

.sidebar-link.active {
  background: rgba(255, 212, 64, 0.12);
  color: var(--accent);
  font-weight: 600;
}

/* ===== SIDEBAR AUTH ===== */
.sidebar-auth {
  margin-bottom: 20px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
}

.sidebar-user-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent);
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  word-break: break-word;
}

.sidebar-user-menu {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-user-menu a {
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

.sidebar-user-menu a:hover {
  color: var(--accent);
}

.sidebar-auth-buttons {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ===== SIDEBAR FOOTER ===== */
.sidebar-footer {
  margin-top: auto;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 12px;
}

.sidebar-footer-section {
  margin-bottom: 12px;
}

.sidebar-footer-section h4 {
  margin: 0 0 8px 0;
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  opacity: 0.7;
}

.sidebar-footer-link {
  display: block;
  color: var(--muted);
  text-decoration: none;
  margin-bottom: 4px;
  transition: color 0.2s ease;
  font-size: 12px;
}

.sidebar-footer-link:hover {
  color: var(--accent);
}

.lang-selector {
  display: flex;
  gap: 4px;
  margin-top: 6px;
}

.lang-btn {
  padding: 4px 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text);
  border-radius: 4px;
  cursor: pointer;
  font-size: 11px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.lang-btn:hover,
.lang-btn.active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.sidebar-footer-bottom {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: var(--muted);
  font-size: 11px;
}

.sidebar-footer-bottom p {
  margin: 0;
}

/* ===== SIDEBAR OVERLAY (MOBILE) ===== */
.sidebar-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 999;
}

.sidebar-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* Hide overlay on desktop */
@media (min-width: 768px) {
  .sidebar-overlay {
    display: none;
  }
}

/* ===== CONTENT OFFSET ===== */
/* Desktop: add padding-left to account for sidebar */
@media (min-width: 768px) {
  body {
    padding-left: var(--sidebar-width);
  }
  
  .top-header,
  main,
  footer {
    margin-left: 0;
  }
}

/* Prevent scroll when sidebar open on mobile */
body.sidebar-open {
  overflow: hidden;
}

/* ===== BUTTONS INSIDE SIDEBAR =====
   Scoped to .sidebar — ne pollue pas les boutons du reste de la page.
   La sidebar est toujours noire, donc text/border blancs. */
.sidebar .btn {
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  transition: all 0.2s ease;
  border: none;
  font-size: 14px;
}

/* Connexion / Inscription dans la sidebar */
.sidebar .btn-primary {
  background: var(--accent);
  color: var(--bg);
  width: 100%;
}

.sidebar .btn-primary:hover {
  background: #ffd400cc;
  color: #000;
}

.sidebar .btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid rgba(255, 255, 255, 0.5);
  width: 100%;
}

.sidebar .btn-outline:hover {
  background: rgba(255, 255, 255, 0.07);