/* sidebar.css — Sidebar panels, user/channel/DM lists, tab bar, presence */

/* ── Sidebar ── */
#sidebar {
  width: 200px;
  min-width: 150px;
  max-width: 420px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border);
  padding: var(--space-lg);
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
}

#sidebar h3 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  letter-spacing: 0.08em;
}

.panel-resizer {
  width: 8px;
  cursor: col-resize;
  background: transparent;
  position: relative;
  flex-shrink: 0;
}
.panel-resizer::before {
  content: '';
  position: absolute;
  left: 3px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: rgba(255,255,255,0.12);
}
.resizer-lock {
  position: absolute;
  top: 6px;
  left: -9px;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--bg-secondary);
  color: var(--text-muted);
  font-size: var(--text-xs);
  padding: 0;
  line-height: 18px;
  cursor: pointer;
  z-index: 5;
}
.resizer-lock.locked {
  color: var(--accent);
  border-color: var(--accent);
}

.channel-item {
  font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.channel-item:hover { background: var(--bg-hover); color: var(--text); }
.channel-item.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}
.channel-item::before { content: '# '; opacity: 0.6; }

#channel-header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: var(--space-md) var(--space-xl);
  font-size: var(--text-sm);
  display: none;
}
#channel-header .ch-name {
  font-weight: 600;
  color: var(--text);
}
#channel-header .ch-desc {
  color: var(--text-muted);
  margin-left: var(--space-md);
}

.peer {
  font-size: var(--text-sm);
  padding: var(--space-sm) var(--space-md);
  color: var(--text);
  border-radius: var(--radius-sm);
}

.peer:hover { background: var(--bg-hover); }

.peer .key {
  font-size: 0.6rem;
  color: var(--text-muted);
  font-family: monospace;
}

.peer.is-you { color: var(--accent); }

/* ── Right Sidebar ── */
#right-sidebar {
  width: 260px;
  min-width: 180px;
  max-width: 460px;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border);
  padding: var(--space-lg);
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
}
#stream-sidebar {
  border-top: 1px solid var(--border);
  margin-top: var(--space-md);
  padding-top: var(--space-md);
}
#stream-sidebar h4 {
  margin: 0 0 var(--space-sm) 0;
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.unified-section {
  border: 1px solid var(--border);
  border-radius: 0;
  margin-bottom: 0.28rem;
  overflow: hidden;
  background: var(--bg-primary);
}
.unified-section > .unified-header {
  width: 100%;
  text-align: left;
  padding: 0.36rem 0.48rem;
  background: rgba(255,255,255,0.03);
  border: none;
  color: var(--text);
  cursor: pointer;
  font-size: 0.76rem;
  font-weight: 600;
}
/* Left nav compaction */
.sidebar-unified-left .unified-section {
  margin-bottom: 0.22rem;
  border-radius: 0;
}
.sidebar-unified-left .unified-header {
  padding: 0.28rem 0.42rem;
  font-size: var(--text-xs);
}
.sidebar-unified-left .unified-body {
  padding: 0.22rem 0.28rem;
}
.sidebar-unified-left .channel-item,
.sidebar-unified-left .dm-item {
  padding-top: var(--space-xs);
  padding-bottom: var(--space-xs);
  font-size: 0.73rem;
}
.sidebar-unified-left .dm-item .dm-preview {
  max-width: 90px;
}
.unified-section.collapsed > .unified-body { display: none; }
.unified-body {
  padding: var(--space-sm) var(--space-md);
}

/* Context color coding (shared left/right): DMs red, Groups green, Servers blue */
.unified-section[data-sid="dms"],
.unified-section[data-usid="friends"] {
  background: rgba(120, 20, 20, 0.22);
  border-color: rgba(170, 60, 60, 0.45);
}
.unified-section[data-sid="groups"],
.unified-section[data-usid^="group-"] {
  background: rgba(24, 92, 32, 0.22);
  border-color: rgba(74, 168, 88, 0.42);
}
.unified-section[data-sid="servers"],
.unified-section[data-usid^="server-"] {
  background: rgba(24, 46, 110, 0.22);
  border-color: rgba(86, 130, 220, 0.42);
}

.unified-section[data-sid="dms"] > .unified-header,
.unified-section[data-usid="friends"] > .unified-header {
  background: rgba(120, 20, 20, 0.34);
}
.unified-section[data-sid="groups"] > .unified-header,
.unified-section[data-usid^="group-"] > .unified-header {
  background: rgba(24, 92, 32, 0.34);
}
.unified-section[data-sid="servers"] > .unified-header,
.unified-section[data-usid^="server-"] > .unified-header {
  background: rgba(24, 46, 110, 0.34);
}
.unified-subhead {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin: 0.18rem 0;
}
.unified-subhead-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  border: none;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: var(--text-xs);
  padding: 0.12rem 0;
  cursor: pointer;
}
.unified-subblock.collapsed .unified-subcontent {
  display: none;
}
.unified-subsummary {
  font-size: 0.62rem;
  color: var(--text-muted);
  text-transform: none;
  letter-spacing: normal;
}
.unified-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.12rem var(--space-xs);
  font-size: 0.74rem;
  border-radius: var(--radius-sm);
  cursor: default;
}
.unified-row:hover {
  background: rgba(255,255,255,0.04);
}
/* Online/offline presence dot */
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.online  { background: #3c3; }
.status-dot.offline { background: #444; }
/* Name takes remaining space */
.peer-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/* Small icon buttons for call/mic/stream — no visible border at rest */
.ulist-icon {
  background: none;
  border: none;
  color: var(--text-muted);
  padding: 0 var(--space-xs);
  cursor: pointer;
  font-size: var(--text-sm);
  line-height: 1;
  border-radius: var(--radius-sm);
  opacity: 0.6;
  flex-shrink: 0;
}
.ulist-icon:hover {
  opacity: 1;
  background: rgba(255,255,255,0.07);
}
.unified-stream-preview {
  margin: var(--space-xs) 0 var(--space-sm);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-xs);
  background: #000;
}
.unified-stream-preview video {
  width: 100%;
  height: auto;
  display: block;
  transform: none !important;
}

.stream-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: var(--text-sm);
}
.stream-row button {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: var(--space-xs) var(--space-md);
  cursor: pointer;
  font-size: var(--text-xs);
}
.stream-empty {
  color: var(--text-muted);
  font-size: var(--text-xs);
}

#right-sidebar h3 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-md);
  letter-spacing: 0.08em;
}

/* ── Sidebar overlay backdrop (mobile) ── */
#sidebar-overlay {
  display: none;
  position: fixed;
  top: 48px; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 9;
}
#sidebar-overlay.open { display: block; }

/* ── Unread indicator ── */
.channel-item .unread-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-left: var(--space-md);
  vertical-align: middle;
  animation: pulse 1.5s ease-in-out 3;
}
.channel-item.has-unread {
  color: var(--text);
  font-weight: 600;
}

/* ── Role Badges ── */
.role-badge {
  font-size: 0.6rem;
  font-weight: 700;
  margin-left: var(--space-xs);
  vertical-align: middle;
  display: inline-block;
  padding: 0 4px;
  border-radius: 3px;
  line-height: 1.4;
  letter-spacing: 0.02em;
}
.role-admin { background: #e67e22; color: #fff; }
.role-mod { background: #27ae60; color: #fff; }
.role-verified { background: #3498db; color: #fff; }
.role-donor { background: #9b59b6; color: #fff; }
.role-streaming { background: #e74c3c; color: #fff; font-size: 0.55rem; }

/* ── DM Section ── */
.dm-section h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: var(--space-lg);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.08em;
}
.dm-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  display: flex;
  align-items: center;
  gap: var(--space-md);
}
.dm-item:hover { background: var(--bg-hover); }
.dm-item.active {
  background: var(--accent-dim);
}
.dm-item .dm-name {
  font-weight: 600;
  color: var(--text);
  flex: 1;
  min-width: 0;
}
.dm-item .dm-preview {
  font-size: var(--text-xs);
  color: var(--text-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 120px;
}
.dm-item .dm-unread {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex-shrink: 0;
}
.dm-item .dm-time {
  font-size: 0.6rem;
  color: var(--text-muted);
  white-space: nowrap;
}

/* ── Sidebar Tab Bar ── */
.sidebar-tabs {
  display: flex;
  gap: 2px;
  margin-bottom: var(--space-md);
  background: var(--bg);
  border-radius: var(--radius);
  padding: 2px;
}
.sidebar-tab {
  flex: 1;
  text-align: center;
  font-size: var(--text-xs);
  padding: 4px 0;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  cursor: pointer;
  color: var(--text-muted);
  background: transparent;
  border: none;
  font-family: inherit;
  transition: background 0.15s, color 0.15s;
  user-select: none;
  white-space: nowrap;
}
.sidebar-tab:hover { background: var(--bg-hover); color: var(--text); }
.sidebar-tab.active {
  background: var(--accent-dim);
  color: var(--accent);
  font-weight: 600;
}
.sidebar-tab-content { display: none; }
.sidebar-tab-content.active { display: block; }
.sidebar-unified-left .sidebar-tab-content,
.sidebar-tab-content.force-show { display: block !important; }

/* ── Server Group (collapsible) ── */
.server-group { margin-bottom: var(--space-md); }
.server-group-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  user-select: none;
}
.server-group-header:hover { background: var(--bg-hover); }
.server-group-header .collapse-arrow {
  font-size: 0.55rem;
  transition: transform 0.2s;
  color: var(--text-muted);
}
.server-group.collapsed .collapse-arrow { transform: rotate(-90deg); }
.server-group.collapsed .server-group-channels { display: none; }
.server-group-channels { padding-left: var(--space-xs); }

/* ── Groups Placeholder ── */
.groups-placeholder {
  font-size: var(--text-xs);
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  font-style: italic;
}

/* ── Category Headers ── */
.category-header {
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: var(--space-md) var(--space-md) var(--space-xs);
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}
.category-header:hover { color: var(--text); }
.category-header .cat-arrow {
  font-size: 0.5rem;
  transition: transform 0.15s;
}
.category-header.collapsed .cat-arrow { transform: rotate(-90deg); }
.category-header.collapsed + .category-channels { display: none; }

/* ── @Mentions ── */
.mention {
  background: rgba(224,112,32,0.15);
  color: var(--accent);
  padding: 0 var(--space-xs);
  border-radius: var(--radius-sm);
}
.mention-me {
  background: rgba(224,112,32,0.3);
}

/* ── Feature 5: User Status ── */
.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: var(--space-sm);
  flex-shrink: 0;
}
.status-online { background: var(--success); }
.status-away { background: #e0c860; }
.status-busy { background: #dc3232; }
.status-dnd { background: #dc3232; box-shadow: inset 0 0 0 1.5px #000; }
.status-offline { background: #666; }

.status-text-display {
  font-size: var(--text-xs);
  color: var(--text-muted);
  font-style: italic;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 120px;
}

/* ── Feature 2 & 3: Voice Rooms in Sidebar ── */
.voice-rooms-section { margin-top: var(--space-lg); }
.voice-rooms-section h4 {
  font-size: var(--text-xs);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
  letter-spacing: 0.08em;
}
.voice-room-item {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: var(--text-sm);
  margin-bottom: var(--space-xs);
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--border);
}
.voice-room-item:hover { border-color: var(--accent); }
.voice-room-item .vr-name { font-weight: 600; color: var(--text); }
.voice-room-item .vr-count { font-size: var(--text-xs); color: var(--text-muted); }
.voice-room-item .vr-participants {
  font-size: var(--text-xs);
  color: var(--text-muted);
  padding-left: var(--space-md);
  margin-top: var(--space-xs);
}
.voice-room-item .vr-participant { padding: var(--space-xs) 0; transition: color 0.15s, font-weight 0.15s; }
.voice-room-item .vr-participant.speaking { color: #4a4; font-weight: bold; }
.voice-room-item .vr-participant.speaking::before { content: '🟢 '; }
.voice-room-item.in-room { border-color: var(--success); background: rgba(68,170,153,0.08); }

/* ── Channel Settings Cog ── */
.channel-cog {
  display: none;
  float: right;
  cursor: pointer;
  font-size: var(--text-xs);
  opacity: 0.5;
  padding: 0 var(--space-xs);
  position: relative;
}
.channel-cog:hover { opacity: 1; }
.channel-item:hover .channel-cog,
.voice-room-item:hover .channel-cog { display: inline; }
.cog-dropdown {
  position: absolute;
  right: 0;
  top: 100%;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  min-width: 130px;
  z-index: 200;
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  padding: var(--space-sm) 0;
}
.cog-dropdown .cog-item {
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--text-sm);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}
.cog-dropdown .cog-item:hover { background: var(--bg-hover); color: var(--accent); }
.cog-dropdown .cog-item.danger { color: #e55; }
.cog-dropdown .cog-item.danger:hover { background: rgba(220,50,50,0.15); }
.voice-room-item.vc-empty { opacity: 0.55; }
.voice-room-item.vc-empty:hover { opacity: 0.85; }
.vr-delete { background: transparent !important; border: none !important; cursor: pointer; }
.vr-create-btn {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text-muted);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  cursor: pointer;
  width: 100%;
  margin-top: var(--space-sm);
}
.vr-create-btn:hover { color: var(--accent); border-color: var(--accent); }
.vr-leave-btn {
  background: #dc3232;
  color: #fff;
  border: none;
  padding: var(--space-xs) var(--space-md);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  cursor: pointer;
  margin-top: var(--space-xs);
}
.vr-leave-btn:hover { background: #e54545; }

/* Mobile sidebar layout */
@media (max-width: 640px) {
  #sidebar {
    display: none;
    position: fixed;
    left: 0; top: 48px; bottom: 0;
    z-index: 10;
    width: 260px;
    max-width: 80vw;
    box-shadow: 4px 0 16px rgba(0,0,0,0.4);
  }
  #sidebar.open { display: block; }
  #right-sidebar {
    display: none;
    position: fixed;
    right: 0; top: 48px; bottom: 0;
    z-index: 10;
    width: 260px;
    max-width: 80vw;
    box-shadow: -4px 0 16px rgba(0,0,0,0.4);
  }
  #right-sidebar.open { display: block; }
  .panel-resizer { display: none !important; }
  #hamburger { display: block; }
  #people-toggle { display: block; }
  header h1 { font-size: var(--text-base); }

  /* Channel items: larger tap targets */
  .channel-item {
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
    min-height: 36px;
    display: flex;
    align-items: center;
  }

  /* Peer items: larger tap targets */
  .peer {
    padding: var(--space-md) var(--space-md);
    font-size: var(--text-sm);
    min-height: 36px;
  }

  /* Sidebar tabs: slightly bigger on mobile */
  .sidebar-tab {
    font-size: var(--text-xs);
    height: 32px;
    min-height: 32px;
  }
  .server-group-header {
    padding: var(--space-md) var(--space-md);
    min-height: 36px;
  }

  /* Channel header: compact */
  #channel-header {
    padding: var(--space-sm) var(--space-lg);
    font-size: var(--text-sm);
  }
}