/* ═══════════════════════════════════════════════════════════════
   Panneau social : le carnet de contacts glissé à côté de la cabine
═══════════════════════════════════════════════════════════════ */

.sidebar-toggle-btn {
  position: fixed;
  right: var(--s-5);
  bottom: var(--s-5);
  z-index: 1040;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px; height: 54px;
  background: var(--red);
  color: var(--on-red);
  border: var(--stroke) solid var(--red);
  cursor: pointer;
  transition: background var(--ease);
}
.sidebar-toggle-btn:hover { background: var(--red-hover); }
.sidebar-notif-badge {
  position: absolute;
  top: -8px; right: -8px;
  min-width: 20px; height: 20px;
  padding: 0 5px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 16px;
  background: var(--paper);
  color: var(--ink);
  border: var(--stroke) solid var(--ink);
}

.sidebar-overlay {
  position: fixed; inset: 0;
  z-index: 1045;
  background: rgba(20, 18, 16, 0.45);
  opacity: 0; pointer-events: none;
  transition: opacity var(--ease);
}
.sidebar-overlay.active { opacity: 1; pointer-events: auto; }

.sidebar-panel {
  position: fixed;
  top: 0; right: 0; bottom: 0;
  z-index: 1050;
  width: 380px;
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border-left: var(--stroke) solid var(--line);
  transform: translateX(100%);
  transition: transform 0.25s cubic-bezier(.4,0,.2,1);
}
.sidebar-panel.open { transform: translateX(0); }

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--s-4) var(--s-5);
  border-bottom: var(--stroke) solid var(--line);
}
.sidebar-header h3 { font-size: 1.15rem; }
.sidebar-close, .back-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  background: transparent;
  color: var(--ink);
  border: var(--stroke) solid var(--line);
  cursor: pointer;
}
.sidebar-close:hover, .back-btn:hover { background: var(--ink); color: var(--paper); }

.sidebar-tabs { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: var(--stroke) solid var(--line); }
.sidebar-tab {
  position: relative;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-2);
  background: transparent;
  border: none;
  border-right: var(--stroke) solid var(--line);
  padding: 0.8rem 0.25rem;
  cursor: pointer;
}
.sidebar-tab:last-child { border-right: none; }
.sidebar-tab:hover { color: var(--ink); background: var(--paper-2); }
.sidebar-tab.active { color: var(--paper); background: var(--ink); }
.tab-badge {
  display: inline-block;
  margin-left: 6px;
  min-width: 18px;
  padding: 0 4px;
  font-size: 0.65rem;
  line-height: 16px;
  background: var(--red);
  color: var(--on-red);
}

.sidebar-content { flex: 1; overflow-y: auto; position: relative; }
.sidebar-pane { display: none; height: 100%; }
.sidebar-pane.active { display: flex; flex-direction: column; }

.sidebar-loading, .sidebar-empty, .sidebar-note {
  padding: var(--s-6) var(--s-5);
  text-align: center;
  color: var(--ink-2);
  font-size: 0.9rem;
}
.sidebar-hint { font-size: 0.85rem; color: var(--ink-3); margin-top: var(--s-2); }

.sidebar-item {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-5);
  border-bottom: 1px solid var(--line-soft);
}
.sidebar-item:hover { background: var(--paper-2); }

.sidebar-avatar, .conv-topbar-avatar {
  width: 42px; height: 42px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1rem;
  background: var(--print);
  color: var(--ink);
  border: var(--stroke) solid var(--line);
  overflow: hidden;
}
.sidebar-avatar img, .conv-topbar-avatar img { width: 100%; height: 100%; object-fit: cover; }

.sidebar-item-info { flex: 1; min-width: 0; }
.sidebar-item-name { font-weight: 700; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-item-sub { font-size: 0.82rem; color: var(--ink-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sidebar-item-actions { display: flex; gap: var(--s-1); }

.btn-accept, .btn-decline, .btn-msg, .btn-unfriend {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  width: 34px; height: 34px;
  background: transparent;
  color: var(--ink);
  border: var(--stroke) solid var(--line);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
}
.btn-msg:hover { background: var(--ink); color: var(--paper); }
.btn-accept { background: var(--ink); color: var(--paper); }
.btn-accept:hover { background: var(--ok); border-color: var(--ok); }
.btn-decline:hover, .btn-unfriend:hover { background: var(--danger); border-color: var(--danger); color: var(--paper); }
.btn-msg--wide { width: 100%; height: auto; padding: 0.7rem; font-weight: 600; margin-bottom: var(--s-2); }

.unread-badge {
  min-width: 22px;
  padding: 0 5px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 20px;
  text-align: center;
  background: var(--red);
  color: var(--on-red);
}

/* Conversation */
.conversation-view, .friend-profile-view { display: flex; flex-direction: column; height: 100%; }
.conv-topbar, .friend-profile-topbar {
  display: flex;
  align-items: center;
  gap: var(--s-3);
  padding: var(--s-3) var(--s-4);
  border-bottom: var(--stroke) solid var(--line);
}
.conv-topbar-avatar { width: 34px; height: 34px; font-size: 0.85rem; }
.conv-topbar-name, .friend-profile-topname { flex: 1; font-weight: 700; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-topbar-profile {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  background: none;
  color: var(--ink);
  border: var(--stroke) solid var(--line);
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}
.conv-topbar-profile:hover { background: var(--ink); color: var(--paper); }

.conv-messages { flex: 1; overflow-y: auto; padding: var(--s-4); display: flex; flex-direction: column; gap: var(--s-2); }
.conv-date-sep {
  display: flex; align-items: center; gap: var(--s-3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: var(--s-3) 0;
}
.conv-date-sep::before, .conv-date-sep::after { content: ''; flex: 1; height: 1px; background: var(--line-soft); }

.conv-msg-group { display: flex; flex-direction: column; gap: 3px; max-width: 82%; }
.conv-msg-group.mine { align-self: flex-end; align-items: flex-end; }
.conv-msg-group.theirs { align-self: flex-start; align-items: flex-start; }
.conv-msg { padding: 0.55rem 0.8rem; font-size: 0.93rem; line-height: 1.45; word-break: break-word; border: var(--stroke) solid var(--line); }
.conv-msg-group.mine .conv-msg { background: var(--ink); color: var(--paper); }
.conv-msg-group.theirs .conv-msg { background: var(--print); color: var(--ink); }
.conv-msg-meta { display: flex; gap: var(--s-2); font-family: var(--font-mono); font-size: 0.68rem; color: var(--ink-3); }
.conv-status.read { color: var(--red); }

.conv-input-row { display: flex; border-top: var(--stroke) solid var(--line); }
.conv-input {
  flex: 1;
  min-width: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--print);
  border: none;
  padding: 0.85rem var(--s-4);
}
.conv-input::placeholder { color: var(--ink-3); }
.conv-input:focus { outline: none; background: var(--paper-2); }
.conv-send-btn {
  width: 54px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--red);
  color: var(--on-red);
  border: none;
  cursor: pointer;
}
.conv-send-btn:hover { background: var(--red-hover); }

/* Profil d'un ami */
.friend-profile-body { padding: var(--s-5); overflow-y: auto; text-align: center; }
.friend-profile-avatar {
  width: 112px; height: 136px;
  margin: 0 auto var(--s-4);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 2.4rem;
  background: var(--print);
  border: var(--stroke) solid var(--line);
  padding: 6px 6px 22px;
  overflow: hidden;
}
.friend-profile-avatar img { width: 100%; height: 100%; object-fit: cover; }
.friend-profile-name { font-family: var(--font-display); font-size: 1.4rem; text-transform: uppercase; }
.friend-profile-gender { display: inline-flex; align-items: center; gap: var(--s-1); font-size: 0.88rem; color: var(--ink-2); margin: var(--s-1) 0 var(--s-4); }
.friend-profile-bio { text-align: left; font-size: 0.93rem; padding: var(--s-3); border: 1px solid var(--line-soft); margin-bottom: var(--s-4); white-space: pre-wrap; }
.friend-since { font-size: 0.88rem; color: var(--ink-3); margin-bottom: var(--s-4); }

.btn-video-call {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--s-2);
  width: 100%;
  font-family: var(--font-display);
  font-size: 0.9rem;
  text-transform: uppercase;
  background: var(--red);
  color: var(--on-red);
  border: var(--stroke) solid var(--red);
  padding: 0.75rem;
  cursor: pointer;
}
.btn-video-call:hover { background: var(--red-hover); }
.btn-video-call:disabled { opacity: 0.55; cursor: not-allowed; }

/* Appel entrant */
.call-incoming-overlay {
  position: fixed; inset: 0;
  z-index: 5000;
  display: flex; align-items: center; justify-content: center;
  background: rgba(20, 18, 16, 0.6);
  padding: var(--s-4);
}
.call-incoming-card {
  width: min(320px, 100%);
  text-align: center;
  background: var(--print);
  border: var(--stroke) solid var(--line);
  padding: var(--s-6) var(--s-5) var(--s-5);
}
.call-incoming-avatar {
  width: 96px; height: 116px;
  margin: 0 auto var(--s-4);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 2rem;
  border: var(--stroke) solid var(--line);
  padding: 5px 5px 18px;
  overflow: hidden;
  animation: ring 1.2s ease-in-out infinite;
}
.call-incoming-avatar img { width: 100%; height: 100%; object-fit: cover; }
@keyframes ring { 0%, 100% { transform: rotate(0); } 25% { transform: rotate(-3deg); } 75% { transform: rotate(3deg); } }
.call-incoming-name { font-family: var(--font-display); font-size: 1.3rem; text-transform: uppercase; }
.call-incoming-sub { font-family: var(--font-mono); font-size: 0.78rem; color: var(--ink-2); margin: var(--s-1) 0 var(--s-5); }
.call-incoming-btns { display: flex; justify-content: center; gap: var(--s-4); }
.btn-call-accept, .btn-call-decline {
  width: 60px; height: 60px;
  display: inline-flex; align-items: center; justify-content: center;
  border: var(--stroke) solid var(--line);
  cursor: pointer;
}
.btn-call-accept .ico, .btn-call-decline .ico { width: 24px; height: 24px; }
.btn-call-accept { background: var(--ok); border-color: var(--ok); color: #fff; }
.btn-call-accept:hover { filter: brightness(1.1); }
.btn-call-decline { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn-call-decline:hover { filter: brightness(1.1); }

/* Toast d'appel sortant */
.call-toast {
  position: fixed;
  bottom: 5.5rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  display: flex;
  align-items: center;
  gap: var(--s-3);
  max-width: 90vw;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.7rem 1rem;
  background: var(--ink);
  color: var(--paper);
  border-left: 6px solid var(--red);
}
.call-toast-cancel {
  font: inherit;
  font-size: 0.8rem;
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--paper);
  padding: 0.2rem 0.6rem;
  cursor: pointer;
}

@media (max-width: 480px) {
  .sidebar-panel { width: 100vw; border-left: none; }
  .sidebar-toggle-btn { right: var(--s-4); bottom: var(--s-4); }
}

.friend-profile-badges { margin: var(--s-2) 0 var(--s-1); }