/* ═══════════════════════════════════════════════════
   CDV Chat Universal — Estilos v2.0
   Diseño tipo Telegram/Discord — oscuro, moderno
════════════════════════════════════════════════════ */

:root {
  --cdv-bg:          #0e1117;
  --cdv-surface:     #161b27;
  --cdv-surface2:    #1e2535;
  --cdv-surface3:    #252d40;
  --cdv-border:      #2a3347;
  --cdv-accent:      #4f8ef7;
  --cdv-accent2:     #7c5af5;
  --cdv-success:     #34d399;
  --cdv-danger:      #f87171;
  --cdv-warning:     #fbbf24;
  --cdv-text:        #e2e8f0;
  --cdv-text2:       #94a3b8;
  --cdv-text3:       #64748b;
  --cdv-bubble-mine: #1d4ed8;
  --cdv-bubble-other:#1e2535;
  --cdv-radius:      12px;
  --cdv-font:        'Segoe UI', system-ui, -apple-system, sans-serif;
  --cdv-sidebar-w:   280px;
  --cdv-members-w:   240px;
  --cdv-header-h:    60px;
  --cdv-composer-h:  64px;
  --cdv-shadow:      0 4px 24px rgba(0,0,0,.4);
}

/* ─── Reset ─────────────────────────────────────── */
#cdv-chat-app, #cdv-chat-app * {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* ─── Wrapper ────────────────────────────────────── */
.cdv-chat-wrap {
  display: flex;
  height: 85vh;
  min-height: 500px;
  max-height: 900px;
  background: var(--cdv-bg);
  border-radius: var(--cdv-radius);
  overflow: hidden;
  font-family: var(--cdv-font);
  color: var(--cdv-text);
  box-shadow: var(--cdv-shadow);
  border: 1px solid var(--cdv-border);
  position: relative;
}

/* ─── Sidebar ────────────────────────────────────── */
.cdv-sidebar {
  width: var(--cdv-sidebar-w);
  background: var(--cdv-surface);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--cdv-border);
  flex-shrink: 0;
  overflow: hidden;
}

.cdv-sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: var(--cdv-header-h);
  border-bottom: 1px solid var(--cdv-border);
  flex-shrink: 0;
}

.cdv-brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -.3px;
}
.cdv-brand-icon { font-size: 20px; }

.cdv-search-wrap {
  padding: 10px 12px;
  flex-shrink: 0;
}
.cdv-search-wrap input {
  width: 100%;
  background: var(--cdv-surface2);
  border: 1px solid var(--cdv-border);
  border-radius: 8px;
  padding: 7px 12px;
  color: var(--cdv-text);
  font-size: 13px;
  outline: none;
  transition: border-color .2s;
}
.cdv-search-wrap input:focus { border-color: var(--cdv-accent); }
.cdv-search-wrap input::placeholder { color: var(--cdv-text3); }

.cdv-sidebar-section {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  min-height: 80px;
}
.cdv-sidebar-section::-webkit-scrollbar { width: 4px; }
.cdv-sidebar-section::-webkit-scrollbar-track { background: transparent; }
.cdv-sidebar-section::-webkit-scrollbar-thumb { background: var(--cdv-border); border-radius: 4px; }

.cdv-section-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px 6px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .8px;
  color: var(--cdv-text3);
  text-transform: uppercase;
}
.cdv-section-btn {
  background: none;
  border: none;
  color: var(--cdv-text3);
  font-size: 18px;
  cursor: pointer;
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 4px;
  transition: background .15s, color .15s;
  line-height: 1;
}
.cdv-section-btn:hover { background: var(--cdv-surface3); color: var(--cdv-text); }

.cdv-room-list {
  list-style: none;
  padding: 0 8px 8px;
}
.cdv-room-list li.cdv-room-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s;
  position: relative;
}
.cdv-room-list li.cdv-room-item:hover { background: var(--cdv-surface2); }
.cdv-room-list li.cdv-room-item.active { background: var(--cdv-surface3); }
.cdv-room-list li.cdv-room-loading {
  padding: 10px 16px;
  font-size: 12px;
  color: var(--cdv-text3);
}

.cdv-room-icon {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: var(--cdv-surface3);
  display: flex; align-items: center; justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  overflow: hidden;
}
.cdv-room-icon img { width: 100%; height: 100%; object-fit: cover; }

.cdv-room-info { flex: 1; min-width: 0; }
.cdv-room-info-name {
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--cdv-text);
}
.cdv-room-info-last {
  font-size: 11px;
  color: var(--cdv-text3);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.cdv-room-badge {
  background: var(--cdv-accent);
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
  flex-shrink: 0;
}

/* Online dot */
.cdv-online-dot {
  width: 9px; height: 9px;
  background: var(--cdv-success);
  border-radius: 50%;
  border: 2px solid var(--cdv-surface);
  position: absolute;
  bottom: 6px; left: 36px;
}

/* ─── Sidebar footer ─────────────────────────────── */
.cdv-sidebar-footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-top: 1px solid var(--cdv-border);
  flex-shrink: 0;
}
.cdv-my-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  object-fit: cover;
}
.cdv-my-info { flex: 1; min-width: 0; }
.cdv-my-name { display: block; font-size: 13px; font-weight: 600; }
.cdv-my-status { font-size: 11px; color: var(--cdv-success); }

/* ─── Main area ──────────────────────────────────── */
.cdv-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--cdv-bg);
  position: relative;
}

/* ─── Empty state ────────────────────────────────── */
.cdv-empty-state {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--cdv-text3);
  text-align: center;
  padding: 40px;
}
.cdv-empty-icon { font-size: 48px; opacity: .5; }
.cdv-empty-state h2 { font-size: 20px; color: var(--cdv-text2); font-weight: 600; }
.cdv-empty-state p  { font-size: 14px; }

/* ─── Chat panel ─────────────────────────────────── */
.cdv-chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Chat header */
.cdv-chat-header {
  height: var(--cdv-header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  border-bottom: 1px solid var(--cdv-border);
  flex-shrink: 0;
  background: var(--cdv-surface);
}
.cdv-chat-title-wrap { display: flex; align-items: center; gap: 10px; }
.cdv-chat-title-info h2 { font-size: 16px; font-weight: 600; }
.cdv-chat-title-info #cdv-room-meta { font-size: 12px; color: var(--cdv-text3); display: block; }
.cdv-chat-actions { display: flex; gap: 6px; }
.cdv-back-btn { display: none; }

/* Messages area */
.cdv-messages-wrap {
  flex: 1;
  overflow-y: auto;
  padding: 16px;
  scroll-behavior: smooth;
}
.cdv-messages-wrap::-webkit-scrollbar { width: 5px; }
.cdv-messages-wrap::-webkit-scrollbar-track { background: transparent; }
.cdv-messages-wrap::-webkit-scrollbar-thumb { background: var(--cdv-border); border-radius: 4px; }

.cdv-messages { display: flex; flex-direction: column; gap: 2px; }

/* Date divider */
.cdv-date-divider {
  text-align: center;
  color: var(--cdv-text3);
  font-size: 11px;
  margin: 14px 0 6px;
  position: relative;
}
.cdv-date-divider::before, .cdv-date-divider::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 30%;
  height: 1px;
  background: var(--cdv-border);
}
.cdv-date-divider::before { left: 0; }
.cdv-date-divider::after  { right: 0; }

/* Message row */
.cdv-msg-row {
  display: flex;
  gap: 8px;
  padding: 2px 0;
  max-width: 100%;
}
.cdv-msg-row.mine {
  flex-direction: row-reverse;
}
.cdv-msg-row.grouped .cdv-msg-avatar { visibility: hidden; }
.cdv-msg-row.grouped { padding-top: 1px; }

.cdv-msg-avatar {
  width: 32px; height: 32px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  align-self: flex-end;
  cursor: pointer;
}

.cdv-msg-body { max-width: 72%; min-width: 0; }

.cdv-msg-author {
  font-size: 11px;
  font-weight: 600;
  color: var(--cdv-accent);
  margin-bottom: 2px;
  padding-left: 2px;
}
.cdv-msg-row.mine .cdv-msg-author { display: none; }

.cdv-bubble {
  background: var(--cdv-bubble-other);
  border-radius: 14px 14px 14px 4px;
  padding: 8px 12px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--cdv-text);
  word-break: break-word;
  position: relative;
  display: inline-block;
  max-width: 100%;
}
.cdv-msg-row.mine .cdv-bubble {
  background: var(--cdv-bubble-mine);
  border-radius: 14px 14px 4px 14px;
}

.cdv-bubble img {
  max-width: 280px;
  max-height: 260px;
  border-radius: 8px;
  display: block;
  cursor: pointer;
  object-fit: cover;
}
.cdv-bubble video {
  max-width: 280px;
  max-height: 200px;
  border-radius: 8px;
  display: block;
}
.cdv-bubble audio { width: 220px; display: block; }

.cdv-msg-meta {
  font-size: 10px;
  color: var(--cdv-text3);
  margin-top: 3px;
  padding: 0 2px;
  display: flex;
  align-items: center;
  gap: 4px;
}
.cdv-msg-row.mine .cdv-msg-meta { justify-content: flex-end; }
.cdv-msg-read { color: var(--cdv-accent); font-size: 12px; }

/* File attachment */
.cdv-file-attach {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--cdv-surface3);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 13px;
  color: var(--cdv-text);
  text-decoration: none;
  min-width: 160px;
}
.cdv-file-attach:hover { background: var(--cdv-border); }
.cdv-file-icon { font-size: 22px; }
.cdv-file-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* System messages */
.cdv-msg-system {
  text-align: center;
  color: var(--cdv-text3);
  font-size: 12px;
  padding: 6px 0;
  font-style: italic;
}

/* Reply preview */
.cdv-reply-preview {
  border-left: 3px solid var(--cdv-accent);
  padding: 3px 8px;
  margin-bottom: 4px;
  font-size: 12px;
  color: var(--cdv-text2);
  opacity: .8;
}

/* Typing bar */
.cdv-typing-bar {
  padding: 4px 20px;
  font-size: 12px;
  color: var(--cdv-text3);
  font-style: italic;
  height: 24px;
  flex-shrink: 0;
}

/* ─── Composer ───────────────────────────────────── */
.cdv-composer {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 12px;
  border-top: 1px solid var(--cdv-border);
  background: var(--cdv-surface);
  flex-shrink: 0;
  min-height: var(--cdv-composer-h);
}

.cdv-composer-input-wrap { flex: 1; position: relative; }
.cdv-composer-input {
  background: var(--cdv-surface2);
  border: 1px solid var(--cdv-border);
  border-radius: 22px;
  padding: 10px 16px;
  font-size: 14px;
  color: var(--cdv-text);
  outline: none;
  max-height: 120px;
  overflow-y: auto;
  line-height: 1.5;
  transition: border-color .2s;
  font-family: var(--cdv-font);
}
.cdv-composer-input:focus { border-color: var(--cdv-accent); }
.cdv-composer-input:empty::before {
  content: attr(data-placeholder);
  color: var(--cdv-text3);
  pointer-events: none;
}

.cdv-composer-btn {
  background: none;
  border: none;
  color: var(--cdv-text3);
  font-size: 20px;
  cursor: pointer;
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  transition: background .15s, color .15s;
  flex-shrink: 0;
}
.cdv-composer-btn:hover { background: var(--cdv-surface2); color: var(--cdv-text); }

.cdv-send-btn {
  background: var(--cdv-accent);
  border: none;
  color: #fff;
  width: 40px; height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, transform .1s;
  flex-shrink: 0;
}
.cdv-send-btn svg { width: 18px; height: 18px; }
.cdv-send-btn:hover { background: var(--cdv-accent2); transform: scale(1.05); }
.cdv-send-btn:active { transform: scale(.95); }

/* Upload progress */
.cdv-upload-bar {
  position: absolute;
  bottom: 0; left: 0;
  height: 3px;
  background: var(--cdv-accent);
  border-radius: 0 0 22px 22px;
  width: 0;
  transition: width .3s;
}

/* ─── Members panel ──────────────────────────────── */
.cdv-members-panel {
  width: var(--cdv-members-w);
  background: var(--cdv-surface);
  border-left: 1px solid var(--cdv-border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
}
.cdv-members-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  height: var(--cdv-header-h);
  border-bottom: 1px solid var(--cdv-border);
  flex-shrink: 0;
}
.cdv-members-header h3 { font-size: 14px; font-weight: 600; }
.cdv-members-list {
  list-style: none;
  overflow-y: auto;
  flex: 1;
  padding: 8px;
}
.cdv-member-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s;
}
.cdv-member-item:hover { background: var(--cdv-surface2); }
.cdv-member-item img {
  width: 34px; height: 34px;
  border-radius: 50%;
  object-fit: cover;
}
.cdv-member-name { font-size: 13px; font-weight: 500; }
.cdv-member-status { font-size: 11px; color: var(--cdv-text3); }
.cdv-member-online .cdv-member-status { color: var(--cdv-success); }

/* ─── Buttons ────────────────────────────────────── */
.cdv-btn-icon {
  background: none;
  border: none;
  color: var(--cdv-text3);
  font-size: 18px;
  cursor: pointer;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 8px;
  transition: background .15s, color .15s;
}
.cdv-btn-icon:hover { background: var(--cdv-surface2); color: var(--cdv-text); }

/* ─── Modals ─────────────────────────────────────── */
.cdv-modal {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.65);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  backdrop-filter: blur(4px);
}
.cdv-modal-box {
  background: var(--cdv-surface2);
  border: 1px solid var(--cdv-border);
  border-radius: 14px;
  width: 380px;
  max-width: calc(100% - 32px);
  box-shadow: var(--cdv-shadow);
  animation: cdv-pop .2s ease;
}
@keyframes cdv-pop {
  from { transform: scale(.95); opacity: 0; }
  to   { transform: scale(1);   opacity: 1; }
}
.cdv-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--cdv-border);
}
.cdv-modal-header h3 { font-size: 16px; font-weight: 600; }
.cdv-modal-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cdv-modal-body label { font-size: 12px; color: var(--cdv-text2); font-weight: 600; letter-spacing: .4px; }
.cdv-modal-body input,
.cdv-modal-body select {
  background: var(--cdv-surface3);
  border: 1px solid var(--cdv-border);
  border-radius: 8px;
  padding: 9px 12px;
  color: var(--cdv-text);
  font-size: 14px;
  outline: none;
  width: 100%;
  transition: border-color .2s;
  font-family: var(--cdv-font);
}
.cdv-modal-body input:focus,
.cdv-modal-body select:focus { border-color: var(--cdv-accent); }
.cdv-modal-footer {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  padding: 14px 20px;
  border-top: 1px solid var(--cdv-border);
}
.cdv-btn-primary {
  background: var(--cdv-accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 9px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.cdv-btn-primary:hover { background: var(--cdv-accent2); }
.cdv-btn-secondary {
  background: var(--cdv-surface3);
  color: var(--cdv-text2);
  border: 1px solid var(--cdv-border);
  border-radius: 8px;
  padding: 9px 20px;
  font-size: 14px;
  cursor: pointer;
  transition: background .15s;
}
.cdv-btn-secondary:hover { background: var(--cdv-border); }

/* User search results */
.cdv-user-results {
  list-style: none;
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--cdv-border);
  border-radius: 8px;
  background: var(--cdv-surface3);
}
.cdv-user-result-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  cursor: pointer;
  transition: background .15s;
  border-bottom: 1px solid var(--cdv-border);
}
.cdv-user-result-item:last-child { border-bottom: none; }
.cdv-user-result-item:hover { background: var(--cdv-surface2); }
.cdv-user-result-item img { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.cdv-user-result-name { font-size: 13px; font-weight: 500; }

/* ─── Call screen ────────────────────────────────── */
.cdv-call-screen {
  position: absolute;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cdv-call-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #0d1b3e 0%, #1a1040 100%);
}
.cdv-call-content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}
.cdv-call-avatar {
  width: 90px; height: 90px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--cdv-accent);
  box-shadow: 0 0 30px rgba(79,142,247,.4);
  animation: cdv-pulse 2s ease infinite;
}
@keyframes cdv-pulse {
  0%, 100% { box-shadow: 0 0 30px rgba(79,142,247,.4); }
  50%       { box-shadow: 0 0 50px rgba(79,142,247,.7); }
}
.cdv-call-content h2 { font-size: 22px; font-weight: 600; color: #fff; }
.cdv-call-content p  { font-size: 14px; color: rgba(255,255,255,.6); }

.cdv-call-videos {
  display: flex;
  gap: 10px;
  margin: 10px 0;
}
.cdv-call-videos video {
  width: 240px; height: 180px;
  border-radius: 12px;
  background: #000;
  object-fit: cover;
}
#cdv-local-video { width: 120px; height: 90px; }

.cdv-call-controls {
  display: flex;
  gap: 20px;
  margin-top: 10px;
}
.cdv-call-btn {
  width: 58px; height: 58px;
  border-radius: 50%;
  border: none;
  font-size: 24px;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: transform .15s, opacity .15s;
}
.cdv-call-btn:hover { transform: scale(1.1); }
.cdv-call-mute { background: rgba(255,255,255,.15); color: #fff; }
.cdv-call-end  { background: var(--cdv-danger); color: #fff; }
.cdv-call-cam  { background: rgba(255,255,255,.15); color: #fff; }

/* ─── Toast ──────────────────────────────────────── */
.cdv-toast {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cdv-surface3);
  border: 1px solid var(--cdv-border);
  color: var(--cdv-text);
  padding: 10px 20px;
  border-radius: 22px;
  font-size: 13px;
  z-index: 300;
  box-shadow: var(--cdv-shadow);
  white-space: nowrap;
  animation: cdv-fade-in .3s ease;
}
@keyframes cdv-fade-in { from { opacity: 0; transform: translateX(-50%) translateY(10px); } to { opacity: 1; transform: translateX(-50%) translateY(0); } }

/* ─── Login prompt ───────────────────────────────── */
.cdv-login-prompt {
  display: flex; align-items: center; justify-content: center;
  min-height: 300px;
  background: var(--cdv-bg);
  border-radius: var(--cdv-radius);
  border: 1px solid var(--cdv-border);
}
.cdv-login-box {
  text-align: center;
  padding: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  color: var(--cdv-text);
  font-family: var(--cdv-font);
}
.cdv-login-icon { font-size: 48px; }
.cdv-login-box h3 { font-size: 20px; font-weight: 600; }
.cdv-login-box p  { font-size: 14px; color: var(--cdv-text3); }
.cdv-btn-login {
  background: var(--cdv-accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 11px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  margin-top: 6px;
  display: inline-block;
}
.cdv-btn-login:hover { background: var(--cdv-accent2); }

/* ─── Utilities ──────────────────────────────────── */
.hidden { display: none !important; }

/* ─── Responsive ─────────────────────────────────── */
@media (max-width: 680px) {
  :root { --cdv-sidebar-w: 100%; }
  .cdv-chat-wrap { height: 92vh; border-radius: 0; }
  .cdv-sidebar { position: absolute; inset: 0; z-index: 10; width: 100%; }
  .cdv-sidebar.hidden { display: none !important; }
  .cdv-main { width: 100%; }
  .cdv-back-btn { display: flex !important; }
  .cdv-members-panel { position: absolute; inset: 0; z-index: 10; width: 100%; }
  .cdv-call-videos video { width: 160px; height: 120px; }
}

/* Scrollbar global */
* { scrollbar-width: thin; scrollbar-color: var(--cdv-border) transparent; }