/* ═══════════════════════════════════════════════════════════════
   TEMA ESCURO — carregado após style.css para sobrescrever
   tudo que usa variáveis CSS ou fallbacks claros.
═══════════════════════════════════════════════════════════════ */

/* ── Variáveis globais ────────────────────────────────────── */
:root {
  --main-bg:        #313338;
  --nav-bg:         #2b2d31;
  --sidebar-bg:     #1e1f22;
  --card-bg:        #2b2d31;
  --input-bg:       #1e1f22;
  --input-border:   #4a4d55;
  --border:         #3f4147;
  --text:           #dcddde;
  --text-main:      #dcddde;
  --text-muted:     #96989d;
  --accent-purple:  #7c5cbf;
  --accent-purple-h:#9b7fdc;
  --accent:         #5865f2;
  --shadow:         0 4px 24px rgba(0,0,0,.45);
  color-scheme: dark;
}

/* ── Base ─────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

body {
  background: var(--sidebar-bg);
  color: var(--text);
  font-family: 'Whitney', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  margin: 0;
}

/* ── Shell ────────────────────────────────────────────────── */
.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.app-sidebar {
  background: var(--nav-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  width: 232px;
  min-width: 232px;
  overflow-y: auto;
  overflow-x: hidden;
  flex-shrink: 0;
}

.sidebar-brand {
  padding: 16px 16px 12px;
  font-size: 1em;
  font-weight: 700;
  color: var(--text);
  border-bottom: 1px solid var(--border);
  letter-spacing: .02em;
  user-select: none;
}

.sidebar-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  margin: 2px 8px;
  border-radius: 6px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: .93em;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: background .12s, color .12s;
}
.sidebar-btn:hover { background: rgba(255,255,255,.06); color: var(--text); }
.sidebar-btn.active { background: rgba(124,92,191,.3); color: #fff; }
.sidebar-btn i { width: 18px; text-align: center; flex-shrink: 0; }

.sidebar-spacer { flex: 1; }

.logout-btn { color: #f87171 !important; }
.logout-btn:hover { background: rgba(248,113,113,.15) !important; color: #fca5a5 !important; }

/* ── Topbar ───────────────────────────────────────────────── */
.app-topbar {
  height: 48px;
  min-height: 48px;
  background: var(--main-bg);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 12px;
  flex-shrink: 0;
}

.topbar-user {
  margin-left: auto;
  font-size: .83em;
  color: var(--text-muted);
}

.mobile-menu-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1em;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  display: none;
}
@media (max-width: 768px) { .mobile-menu-btn { display: block; } }

/* ── Content area ─────────────────────────────────────────── */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow: hidden;
}

.app-content {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  background: var(--main-bg);
}

/* Sections sem padding extra — messages usa layout próprio */
.admin-section { display: none; }
.admin-section.active { display: block; }

/* ── Cards genéricos ──────────────────────────────────────── */
.admin-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
  color: var(--text);
}

/* ── Botões ───────────────────────────────────────────────── */
.btn-primary {
  background: var(--accent-purple);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 8px 18px;
  font-size: .9em;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, transform .1s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-primary:hover  { background: var(--accent-purple-h); }
.btn-primary:active { transform: scale(.97); }

.btn-secondary {
  background: rgba(255,255,255,.07);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 16px;
  font-size: .9em;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn-secondary:hover { background: rgba(255,255,255,.12); }

/* ── Inputs globais ───────────────────────────────────────── */
input, textarea, select {
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: .93em;
  outline: none;
  transition: border-color .15s;
}
input:focus, textarea:focus, select:focus {
  border-color: var(--accent-purple);
}
input::placeholder, textarea::placeholder { color: var(--text-muted); }
select option { background: var(--card-bg); color: var(--text); }

/* ── Hero banners genéricos ───────────────────────────────── */
.hero-title { font-size: 1.3em; font-weight: 700; color: var(--text); margin: 0; }
.hero-subtitle { font-size: .88em; color: var(--text-muted); margin: 4px 0 0; }
.hero-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.voice-hero, .status-hero, .channels-hero, .users-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 20px 24px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  margin-bottom: 20px;
}

/* ── Overlay modal ─────────────────────────────────────────── */
.overlay-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  opacity: 0;
  transition: opacity .18s;
  pointer-events: none;
}
.overlay-modal.is-open { opacity: 1; pointer-events: all; }

.overlay-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(3px);
}

.overlay-modal-panel {
  position: relative;
  background: #2b2d31;
  border: 1px solid #3f4147;
  border-radius: 14px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 8px 48px rgba(0,0,0,.6);
  display: flex;
  flex-direction: column;
  transform: translateY(10px);
  transition: transform .18s;
}
.overlay-modal.is-open .overlay-modal-panel { transform: translateY(0); }

.overlay-modal-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px 24px 0;
  gap: 12px;
}

.overlay-modal-title {
  font-size: 1.12em;
  font-weight: 700;
  color: #fff;
}
.overlay-modal-subtitle {
  font-size: .85em;
  color: var(--text-muted);
  margin-top: 3px;
}

.overlay-modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1em;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  line-height: 1;
  transition: background .15s, color .15s;
  flex-shrink: 0;
}
.overlay-modal-close:hover { background: rgba(255,255,255,.08); color: var(--text); }

.overlay-modal-body {
  padding: 20px 24px;
  color: var(--text);
}

.overlay-modal-footer {
  padding: 0 24px 20px;
}

/* ── modal-form-container (usado pelos modais legados) ────── */
.modal-form-container { display: flex; flex-direction: column; gap: 16px; }
.modal-intro { color: var(--text-muted); font-size: .9em; margin: 0; }

.admin-form { display: flex; flex-direction: column; gap: 14px; }

.form-group { display: flex; flex-direction: column; gap: 5px; }
.form-group label {
  font-size: .83em;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .04em;
}
.form-group small, .form-help { font-size: .78em; color: var(--text-muted); }

.modal-input {
  background: var(--input-bg) !important;
  color: var(--text) !important;
  border: 1px solid var(--input-border) !important;
  border-radius: 6px;
  padding: 9px 12px;
  font-size: .93em;
  width: 100%;
  box-sizing: border-box;
}
.modal-input:focus { border-color: var(--accent-purple) !important; }

.modal-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* Presets de status */
.status-presets { display: flex; gap: 8px; flex-wrap: wrap; }
.preset-pill {
  background: rgba(255,255,255,.07);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 20px;
  padding: 5px 14px;
  font-size: .82em;
  cursor: pointer;
  transition: background .15s, border-color .15s;
}
.preset-pill:hover { background: rgba(124,92,191,.25); border-color: var(--accent-purple); color: #fff; }

/* ── Status page ──────────────────────────────────────────── */
.status-page { display: flex; flex-direction: column; gap: 20px; }
.status-grid { display: flex; flex-direction: column; gap: 16px; }

.status-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 20px 24px;
}

.status-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}
.status-card-header h3 { color: var(--text); }
.status-card-header p  { color: var(--text-muted); font-size: .9em; }

.status-badge {
  padding: 4px 12px;
  border-radius: 20px;
  font-size: .82em;
  font-weight: 700;
  flex-shrink: 0;
}
.status-badge-online  { background: #22c55e22; color: #4ade80; border: 1px solid #22c55e44; }
.status-badge-idle    { background: #f59e0b22; color: #fbbf24; border: 1px solid #f59e0b44; }
.status-badge-dnd     { background: #ef444422; color: #f87171; border: 1px solid #ef444444; }
.status-badge-invisible,.status-badge-unknown { background: #ffffff11; color: var(--text-muted); border: 1px solid var(--border); }

.status-info-panel { margin-bottom: 16px; display: flex; flex-direction: column; gap: 8px; }
.status-info-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.status-info-label { font-size: .83em; color: var(--text-muted); }
.status-info-value { font-weight: 600; color: var(--text); }
.status-info-online  { color: #4ade80; }
.status-info-idle    { color: #fbbf24; }
.status-info-dnd     { color: #f87171; }
.status-info-invisible,.status-info-unknown { color: var(--text-muted); }

.status-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.status-summary-item { display: flex; flex-direction: column; gap: 3px; }
.status-summary-item span { font-size: .78em; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.status-summary-item strong { font-size: .95em; color: var(--text); }

/* ── Settings page ────────────────────────────────────────── */
.settings-page {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 700px;
}

.settings-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.settings-card-header {
  padding: 14px 20px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.settings-card-header h3 { margin: 0; font-size: .97em; font-weight: 700; color: var(--text); }
.settings-card-header p  { margin: 3px 0 0; font-size: .83em; color: var(--text-muted); }
.settings-card-body { padding: 18px 20px; display: flex; flex-direction: column; gap: 14px; }

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
}
.settings-row + .settings-row { border-top: 1px solid var(--border); }

.settings-label { display: flex; flex-direction: column; gap: 3px; flex: 1; }
.settings-label strong { font-size: .93em; color: var(--text); }
.settings-label small  { font-size: .82em; color: var(--text-muted); }

/* Toggle switch */
.toggle-switch { position: relative; width: 44px; height: 24px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track {
  position: absolute;
  inset: 0;
  background: #3f4147;
  border-radius: 24px;
  cursor: pointer;
  transition: background .2s;
}
.toggle-track::after {
  content: '';
  position: absolute;
  width: 18px;
  height: 18px;
  top: 3px;
  left: 3px;
  background: #fff;
  border-radius: 50%;
  transition: transform .2s;
}
.toggle-switch input:checked + .toggle-track { background: var(--accent-purple); }
.toggle-switch input:checked + .toggle-track::after { transform: translateX(20px); }

#settingsResult {
  padding: 10px 14px;
  border-radius: 8px;
  font-size: .88em;
}
#settingsResult.success { background: #14532d33; color: #4ade80; border: 1px solid #22c55e44; }
#settingsResult.error   { background: #7f1d1d33; color: #f87171; border: 1px solid #ef444444; }

/* ── Perfil – dark overrides ──────────────────────────────── */
.perfil-preview-card, .perfil-editor-card {
  background: var(--card-bg);
  border-color: var(--border);
}
.perfil-editor-title {
  background: var(--nav-bg);
  border-color: var(--border);
  color: var(--text);
}
.perfil-field-group input, .guild-nick-row input {
  background: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text);
}
.perfil-note {
  background: #78350f22;
  border-color: #92400e66;
  color: #fcd34d;
}
.perfil-result--success { background: #14532d44; color: #4ade80; border-color: #22c55e66; }
.perfil-result--error   { background: #7f1d1d44; color: #f87171; border-color: #ef444466; }

/* guild card */
.guild-card { background: var(--card-bg); border-color: var(--border); }
.guild-card-name { color: var(--text); }
.guild-panel { background: var(--card-bg); }
.guild-panel-header { background: var(--nav-bg); border-color: var(--border); }

/* upload zone */
.perfil-upload-zone { background: var(--input-bg); border-color: var(--input-border); }
.perfil-upload-placeholder { color: var(--text-muted); }

/* ── IA – dark overrides ──────────────────────────────────── */
.ia-card { background: var(--card-bg); border-color: var(--border); }
.ia-card--ativo { background: linear-gradient(135deg, #14532d22 0%, var(--card-bg) 100%); border-color: #22c55e; }
.ia-card-nome { color: var(--text); }
.ia-card-preview { background: var(--input-bg); color: var(--text-muted); }
.ia-modal { background: var(--card-bg); }
.ia-modal-title { color: var(--text); }
.ia-modal-close:hover { background: var(--input-bg); }
.ia-form-group input, .ia-form-group textarea {
  background: var(--input-bg);
  border-color: var(--input-border);
  color: var(--text);
}
.ia-form-error { background: #7f1d1d33; border-color: #ef444466; color: #f87171; }
.ia-btn-ghost { background: var(--input-bg); color: var(--text-muted); border-color: var(--border); }
.ia-btn-ghost:hover:not(:disabled) { background: var(--nav-bg); color: var(--text); }

/* ── Usuários – dark overrides ────────────────────────────── */
.users-page { color: var(--text); }
.users-section { background: var(--card-bg); border: 1px solid var(--border); border-radius: 12px; padding: 18px 20px; }
.users-section-header h3 { color: var(--text); }
.users-field label { color: var(--text-muted); font-size: .82em; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.users-field input, .users-field select { background: var(--input-bg); border: 1px solid var(--input-border); color: var(--text); width: 100%; border-radius: 6px; padding: 8px 12px; }
.users-field input:focus, .users-field select:focus { border-color: var(--accent-purple); }
.users-stat-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; padding: 12px 18px; }
.users-stat-label { color: var(--text-muted); font-size: .8em; }
.users-tip { background: rgba(124,92,191,.15); border: 1px solid rgba(124,92,191,.3); color: var(--text-muted); border-radius: 8px; padding: 10px 14px; font-size: .85em; }

/* User card (list item) */
.user-card { background: var(--nav-bg); border: 1px solid var(--border); border-radius: 10px; }
.user-card-name { color: var(--text); }
.user-card-id { color: var(--text-muted); font-size: .78em; }

/* ── Canais – dark overrides ──────────────────────────────── */
.channels-hero { background: var(--card-bg); border-color: var(--border); }
.channel-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; }
.channel-card-name { color: var(--text); }

/* ── Voice – dark overrides ───────────────────────────────── */
.voice-hero { background: var(--card-bg); border-color: var(--border); }
.voice-channel-card { background: var(--card-bg); border: 1px solid var(--border); border-radius: 10px; }
.voice-chan-name { color: var(--text); }
.voice-chan-id { color: var(--text-muted); font-size: .78em; }

.voice-broadcast-card { background: var(--card-bg); border-color: var(--border); }
.vbc-connecting { background: #78350f22; color: #fcd34d; border-color: #92400e66; }
.vbc-ready      { background: #14532d22; color: #4ade80; border-color: #22c55e66; }

/* ── Inline status indicator ──────────────────────────────── */
.voice-live-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: .85em;
  color: var(--text-muted);
  padding: 6px 12px;
  background: var(--nav-bg);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.voice-live-indicator.receiving { color: #4ade80; border-color: #22c55e66; }
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}
.receiving .status-dot { animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.3} }

/* ── Card headers genéricos ───────────────────────────────── */
.card-header-modern {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
}
.card-title-modern { font-size: 1em; font-weight: 700; color: var(--text); margin: 0; }

.btn-refresh-circle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 50%;
  transition: background .15s, color .15s;
}
.btn-refresh-circle:hover { background: rgba(255,255,255,.08); color: var(--text); }

/* ── Empty / error states ─────────────────────────────────── */
.empty-state, .error-msg {
  padding: 32px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: .93em;
}
.error-msg { color: #f87171; }

/* ═══════════════════════════════════════════════════════════════
   MENSAGENS — layout estilo Discord
═══════════════════════════════════════════════════════════════ */
.message-page {
  display: flex;
  flex: 1;       /* preenche o pai (#section-messages.active) */
  min-height: 0; /* permite que filhos flex encolham corretamente */
  overflow: hidden;
}

/* Sidebar esquerda */
.dc-sidebar {
  width: 240px;
  min-width: 240px;
  background: var(--nav-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.dc-sidebar-search {
  padding: 12px 10px 8px;
  flex-shrink: 0;
}
.dc-search-input {
  width: 100%;
  background: var(--input-bg);
  border: none;
  border-radius: 6px;
  padding: 7px 10px 7px 30px;
  font-size: .85em;
  color: var(--text);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2396989d' stroke-width='2.5'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 10px center;
  box-sizing: border-box;
  outline: none;
}
.dc-search-input::placeholder { color: var(--text-muted); }
.dc-search-input:focus { background-color: var(--sidebar-bg); }

.dc-sidebar-list { flex: 1; overflow-y: auto; padding: 0 6px 12px; }

.dc-section-label {
  font-size: .71em;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 16px 8px 4px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.dc-section-add {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2em;
  line-height: 1;
  padding: 0 2px;
  border-radius: 4px;
  transition: color .15s;
}
.dc-section-add:hover { color: var(--text); }

/* Canal de texto */
.dc-chan-item {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  border: none;
  background: none;
  color: var(--text-muted);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: .93em;
  cursor: pointer;
  text-align: left;
  transition: background .1s, color .1s;
  position: relative;
}
.dc-chan-item:hover { background: rgba(255,255,255,.06); color: var(--text); }
.dc-chan-item.active { background: rgba(124,92,191,.25); color: #fff; }

.dc-chan-icon {
  font-size: .95em;
  color: var(--text-muted);
  flex-shrink: 0;
  width: 18px;
  text-align: center;
}
.dc-chan-item.active .dc-chan-icon { color: #c4b5fd; }

.dc-chan-name { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dc-chan-unread { font-size: .7em; background: var(--accent-purple); color: #fff; border-radius: 10px; padding: 1px 6px; flex-shrink: 0; }

/* DM item */
.dc-dm-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  border: none;
  background: none;
  color: var(--text-muted);
  padding: 6px 8px;
  border-radius: 6px;
  font-size: .93em;
  cursor: pointer;
  text-align: left;
  transition: background .1s, color .1s;
}
.dc-dm-item:hover { background: rgba(255,255,255,.06); color: var(--text); }
.dc-dm-item.active { background: rgba(124,92,191,.25); color: #fff; }

.dc-dm-avatar-wrap { position: relative; flex-shrink: 0; }
.dc-dm-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
  background: var(--input-bg);
  display: block;
}
.dc-dm-avatar-fallback {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-purple), #4f3d99);
  color: #fff;
  font-size: .82em;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
}
.dc-dm-status {
  position: absolute;
  bottom: -1px;
  right: -1px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  border: 2px solid var(--nav-bg);
}
.dc-dm-status.online  { background: #23a55a; }
.dc-dm-status.idle    { background: #f0b132; }
.dc-dm-status.dnd     { background: #f23f42; }
.dc-dm-status.offline { background: #80848e; }

.dc-dm-info { flex: 1; min-width: 0; }
.dc-dm-name { display: block; font-size: .93em; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dc-dm-preview { display: block; font-size: .78em; color: var(--text-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.dc-dm-item.active .dc-dm-preview { color: #c4b5fd; }

/* Chat principal */
.dc-chat {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--main-bg);
}

.dc-chat-header {
  height: 48px;
  min-height: 48px;
  display: flex;
  align-items: center;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
  gap: 10px;
  flex-shrink: 0;
}

.dc-chat-channel-icon {
  color: var(--text-muted);
  font-size: 1.1em;
  flex-shrink: 0;
}

.dc-chat-title-text {
  font-size: .97em;
  font-weight: 700;
  color: var(--text);
  flex: 1;
  min-width: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.dc-chat-actions { display: flex; gap: 4px; margin-left: auto; }
.dc-action-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 5px 8px;
  border-radius: 6px;
  font-size: .88em;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: background .15s, color .15s;
}
.dc-action-btn:hover { background: rgba(255,255,255,.08); color: var(--text); }
.dc-action-btn span { font-size: .82em; }

/* Lista de mensagens */
.dc-messages, #messagesList {
  flex: 1;
  min-height: 0;   /* essencial para overflow-y funcionar em flex column */
  overflow-y: auto;
  padding: 16px 0 8px;
  display: flex;
  flex-direction: column;
  gap: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--border) transparent;
}

/* Mensagem individual */
.chat-message {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 3px 16px;
  transition: background .1s;
  line-height: 1.45;
}
.chat-message:hover { background: rgba(255,255,255,.03); }

.chat-message-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  margin-top: 1px;
  background: var(--input-bg);
  color: #fff;
  font-size: .82em;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  text-transform: uppercase;
}

.chat-message-body { flex: 1; min-width: 0; }

.chat-message-meta {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 2px;
}
.chat-message-meta strong {
  font-size: .93em;
  font-weight: 700;
  color: #fff;
}
.chat-message.bot .chat-message-meta strong { color: #c4b5fd; }

.chat-message-time {
  font-size: .72em;
  color: var(--text-muted);
}

.chat-message-text {
  font-size: .93em;
  color: var(--text);
  word-break: break-word;
  white-space: pre-wrap;
}
.chat-message-text a { color: #5b9cf6; text-decoration: none; }
.chat-message-text a:hover { text-decoration: underline; }

.chat-message-reply {
  background: rgba(255,255,255,.05);
  border-left: 2px solid var(--accent-purple);
  padding: 2px 8px;
  border-radius: 0 4px 4px 0;
  margin-bottom: 4px;
  font-size: .82em;
  color: var(--text-muted);
}

/* Input bar */
.dc-input-bar, .chat-input-form {
  padding: 0 16px 16px;
  flex-shrink: 0;
}

.dc-input-wrap {
  display: flex;
  align-items: center;
  background: #383a40;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 0 12px;
  gap: 8px;
  transition: border-color .15s;
}
.dc-input-wrap:focus-within { border-color: var(--accent-purple); }

.dc-input, .chat-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text);
  font-size: .93em;
  padding: 12px 0;
}
.dc-input::placeholder { color: var(--text-muted); }

.dc-send-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1em;
  padding: 4px;
  border-radius: 4px;
  transition: color .15s;
}
.dc-send-btn:hover { color: var(--accent-purple-h); }

/* Link preview cards */
.chat-link-preview-card {
  display: flex;
  gap: 10px;
  background: var(--nav-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-purple);
  border-radius: 6px;
  padding: 8px 12px;
  margin-top: 6px;
  max-width: 440px;
  text-decoration: none;
  transition: border-color .15s;
}
.chat-link-preview-card:hover { border-left-color: var(--accent-purple-h); }
.chat-link-preview-card img { width: 64px; height: 64px; border-radius: 6px; object-fit: cover; flex-shrink: 0; }
.preview-content { flex: 1; min-width: 0; }
.preview-title { font-size: .88em; font-weight: 600; color: #5b9cf6; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-desc  { font-size: .78em; color: var(--text-muted); margin-top: 3px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* Loading / empty states inline */
.chat-loading, .chat-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-muted);
  font-size: .93em;
}

/* Mobile overlay */
.mobile-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  z-index: 90;
}
@media (max-width: 768px) {
  .app-sidebar { position: fixed; inset: 0 auto 0 0; z-index: 100; transform: translateX(-100%); transition: transform .22s; }
  .app-sidebar.open { transform: translateX(0); }
  .mobile-overlay.active { display: block; }
  .dc-sidebar { width: 200px; min-width: 200px; }
  #section-messages.active { margin: -20px -16px; height: calc(100% + 40px); }
}

/* Placeholder quando nada selecionado */
.dc-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 12px;
  color: var(--text-muted);
  font-size: .95em;
  text-align: center;
  padding: 40px;
}
.dc-placeholder i { font-size: 2.5em; opacity: .3; }
.dc-placeholder p  { margin: 0; max-width: 240px; line-height: 1.5; }

/* Mensagens section — ocupa toda a área do app-content, sem padding */
#section-messages.active {
  padding: 0;
  overflow: hidden;
  /* Quebra o padding do .app-content (20px top/bottom, 24px left/right) */
  margin: -20px -24px;
  /* Compensa as margens negativas na altura total */
  height: calc(100% + 40px);
  display: flex;
  flex-direction: column;
}

/* Scrollbar estilizado */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: #5a5c64; }