/* ===== Root ===== */
.uymc-app {
  --uymc-primary: #2563eb;
  --uymc-primary-hover: #1d4ed8;
  --uymc-bg: #f8fafc;
  --uymc-panel: #ffffff;
  --uymc-border: #e5e7eb;
  --uymc-text: #111827;
  --uymc-text-muted: #6b7280;
  --uymc-msg-out: #dcf8c6;
  --uymc-msg-in: #ffffff;
  --uymc-radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--uymc-text);
  position: relative;
}

.uymc-app[data-mode="inline"] .uymc-window {
  display: block;
  width: var(--uymc-width, 100%);
  height: var(--uymc-height, 700px);
  border: 1px solid var(--uymc-border);
  border-radius: var(--uymc-radius);
  overflow: hidden;
  background: var(--uymc-panel);
  box-shadow: 0 4px 20px rgba(0,0,0,.05);
}

.uymc-app[data-mode="floating"] .uymc-window {
  position: fixed;
  right: 24px; bottom: 90px;
  width: 380px; height: 640px;
  max-width: 95vw; max-height: 85vh;
  background: var(--uymc-panel);
  border-radius: var(--uymc-radius);
  box-shadow: 0 25px 60px rgba(0,0,0,.25);
  overflow: hidden;
  z-index: 99999;
  animation: uymcPop .25s ease;
}
@keyframes uymcPop {
  from { transform: scale(.9); opacity:0; } to { transform: scale(1); opacity:1; }
}

.uymc-fab {
  position: fixed; right: 24px; bottom: 24px;
  width: 60px; height: 60px; border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  color: #fff; border: none; cursor: pointer;
  font-size: 26px;
  box-shadow: 0 8px 24px rgba(37,99,235,.45);
  z-index: 99998;
  transition: transform .2s;
}
.uymc-fab:hover { transform: scale(1.08); }
.uymc-fab-badge {
  position: absolute; top: -2px; right: -2px;
  background: #ef4444; color:#fff;
  min-width: 20px; height: 20px; line-height: 20px;
  font-size: 11px; border-radius: 50%;
  padding: 0 5px; font-weight: 700;
}

/* Layout */
.uymc-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  height: 100%;
}
@media (max-width: 768px) {
  .uymc-layout { grid-template-columns: 1fr; }
  .uymc-app[data-mode="floating"] .uymc-window { width: 100vw; height: 100vh; right: 0; bottom: 0; max-width: none; max-height: none; border-radius: 0; }
}

/* Sidebar */
.uymc-sidebar {
  background: #fff;
  border-right: 1px solid var(--uymc-border);
  display: flex; flex-direction: column;
  min-height: 0;
}
.uymc-side-head {
  padding: 16px;
  border-bottom: 1px solid var(--uymc-border);
  display: grid;
  grid-template-columns: 44px 1fr auto;
  grid-template-rows: auto auto;
  gap: 4px 12px;
  align-items: center;
}
.uymc-avatar-me {
  width: 44px; height: 44px; border-radius: 50%;
  grid-row: span 2;
  object-fit: cover;
  background: #eee;
}
.uymc-me-name { font-weight: 700; font-size: 14px; }
.uymc-me-status { font-size: 12px; color: var(--uymc-text-muted); display: flex; align-items: center; gap: 4px; }
.uymc-dot { width: 8px; height: 8px; border-radius: 50%; background: #9ca3af; }
.uymc-dot.online { background: #22c55e; box-shadow: 0 0 0 2px rgba(34,197,94,.2); }
.uymc-side-actions { grid-row: span 2; display: flex; gap: 6px; }

.uymc-icon-btn {
  background: transparent; border: none; cursor: pointer;
  font-size: 18px; padding: 6px 8px; border-radius: 8px;
  color: var(--uymc-text-muted); transition: background .15s;
}
.uymc-icon-btn:hover { background: #f3f4f6; color: var(--uymc-text); }

.uymc-search-wrap { padding: 10px 12px; }
.uymc-search {
  width: 100%; padding: 10px 14px;
  border: 1px solid var(--uymc-border); border-radius: 999px;
  font-size: 14px; background: #f9fafb; outline: none;
  transition: border-color .15s;
}
.uymc-search:focus { border-color: var(--uymc-primary); background: #fff; }

.uymc-tabs {
  display: flex; padding: 0 12px; gap: 4px;
  border-bottom: 1px solid var(--uymc-border);
}
.uymc-tab {
  flex: 1; padding: 10px; background: transparent;
  border: none; border-bottom: 2px solid transparent;
  font-size: 13px; font-weight: 600; color: var(--uymc-text-muted);
  cursor: pointer; transition: all .15s;
}
.uymc-tab.active { color: var(--uymc-primary); border-bottom-color: var(--uymc-primary); }

.uymc-list-wrap { flex: 1; overflow-y: auto; }
.uymc-list { padding: 8px; }

.uymc-conv-item, .uymc-user-item {
  display: flex; gap: 10px; padding: 10px;
  border-radius: 10px; cursor: pointer;
  transition: background .15s;
  align-items: center;
}
.uymc-conv-item:hover, .uymc-user-item:hover { background: #f3f4f6; }
.uymc-conv-item.active { background: #eff6ff; }
.uymc-conv-item img, .uymc-user-item img {
  width: 42px; height: 42px; border-radius: 50%; object-fit: cover;
  flex-shrink: 0; background: #eee;
}
.uymc-conv-info { flex: 1; min-width: 0; }
.uymc-conv-name { font-weight: 600; font-size: 14px; display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.uymc-conv-preview {
  font-size: 13px; color: var(--uymc-text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-top: 2px;
}
.uymc-unread-badge {
  background: var(--uymc-primary); color: #fff;
  min-width: 20px; height: 20px; padding: 0 6px;
  border-radius: 10px; font-size: 11px; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.uymc-user-online {
  width: 10px; height: 10px; border-radius: 50%;
  background: #22c55e; margin-left: 4px;
}
.uymc-user-offline {
  width: 10px; height: 10px; border-radius: 50%;
  background: #d1d5db; margin-left: 4px;
}

/* Main */
.uymc-main {
  display: flex; flex-direction: column;
  min-height: 0; background: var(--uymc-bg);
}
.uymc-empty-state {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: center; text-align: center;
  color: var(--uymc-text-muted); padding: 24px;
}
.uymc-empty-icon { font-size: 64px; margin-bottom: 12px; opacity: .7; }
.uymc-empty-state h3 { margin: 8px 0; color: var(--uymc-text); }
.uymc-empty-state p { margin: 0; font-size: 14px; }

.uymc-chat-view { display: flex; flex-direction: column; flex: 1; min-height: 0; }

.uymc-chat-head {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px; background: #fff;
  border-bottom: 1px solid var(--uymc-border);
}
.uymc-back-btn {
  display: none; background: transparent; border: none;
  font-size: 18px; cursor: pointer; padding: 4px 8px;
}
@media (max-width: 768px) { .uymc-back-btn { display: block; } }

.uymc-chat-avatar { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; background: #eee; }
.uymc-chat-meta { flex: 1; min-width: 0; }
.uymc-chat-title { font-weight: 700; font-size: 15px; }
.uymc-chat-sub { font-size: 12px; color: var(--uymc-text-muted); }
.uymc-chat-actions { display: flex; gap: 4px; }

/* Messages */
.uymc-messages {
  flex: 1; overflow-y: auto; padding: 20px 16px;
  display: flex; flex-direction: column; gap: 6px;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='40' height='40'><circle cx='2' cy='2' r='1' fill='%23e5e7eb'/></svg>");
  background-size: 40px 40px;
}

.uymc-msg {
  max-width: 78%; padding: 8px 12px 6px;
  border-radius: 12px; font-size: 14px;
  line-height: 1.4; word-wrap: break-word;
  position: relative;
  box-shadow: 0 1px 2px rgba(0,0,0,.08);
  animation: uymcMsgIn .2s ease;
}
@keyframes uymcMsgIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: translateY(0); } }

.uymc-msg.incoming { align-self: flex-start; background: var(--uymc-msg-in); border-top-left-radius: 4px; }
.uymc-msg.outgoing { align-self: flex-end; background: var(--uymc-msg-out); border-top-right-radius: 4px; }
.uymc-msg.system {
  align-self: center; background: rgba(0,0,0,.06);
  font-size: 12px; color: var(--uymc-text-muted);
  padding: 4px 12px; border-radius: 999px; box-shadow: none;
}

.uymc-msg-sender {
  font-size: 12px; font-weight: 700; color: var(--uymc-primary);
  margin-bottom: 2px; display: block;
}
.uymc-msg-body { white-space: pre-wrap; }

.uymc-msg-meta {
  display: flex; justify-content: flex-end; gap: 4px;
  font-size: 11px; color: var(--uymc-text-muted);
  margin-top: 4px;
}
.uymc-msg-meta .read { color: #2563eb; font-weight: 700; }

.uymc-msg-actions {
  position: absolute; top: -34px; right: 0;
  background: #fff; border: 1px solid var(--uymc-border);
  border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,.1);
  display: none; gap: 2px; padding: 2px;
  z-index: 5;
}
.uymc-msg:hover .uymc-msg-actions { display: flex; }
.uymc-msg-actions button {
  background: transparent; border: none; padding: 4px 8px;
  font-size: 14px; cursor: pointer; border-radius: 6px;
}
.uymc-msg-actions button:hover { background: #f3f4f6; }

/* Reply-Quote */
.uymc-quote {
  background: rgba(0,0,0,.06);
  border-left: 3px solid var(--uymc-primary);
  padding: 4px 8px; border-radius: 4px;
  margin-bottom: 4px; font-size: 12px; opacity: .85;
}
.uymc-quote strong { display: block; color: var(--uymc-primary); }

/* Attachments */
.uymc-attach-image img {
  max-width: 260px; max-height: 320px;
  border-radius: 8px; display: block; cursor: zoom-in;
}
.uymc-attach-video video { max-width: 260px; border-radius: 8px; display: block; }
.uymc-attach-file a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 12px; background: rgba(0,0,0,.05);
  border-radius: 8px; text-decoration: none; color: inherit;
}

/* Voice */
.uymc-voice-message {
  display: flex; align-items: center; gap: 10px;
  min-width: 180px;
}
.uymc-voice-play {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--uymc-primary); color: #fff;
  border: none; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.uymc-voice-wave {
  flex: 1; height: 24px;
  background: linear-gradient(90deg, transparent 0%, currentColor 50%, transparent 100%);
  opacity: .3; border-radius: 4px;
}

/* Emojis in message */
.uymc-msg-body .emoji, .uymc-msg-body img.emoji {
  width: 22px; height: 22px; vertical-align: -4px;
}

/* Composer */
.uymc-composer {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 12px; background: #fff;
  border-top: 1px solid var(--uymc-border);
}
.uymc-input {
  flex: 1; padding: 10px 14px;
  border: 1px solid var(--uymc-border); border-radius: 999px;
  font-size: 14px; outline: none; background: #f9fafb;
  transition: border-color .15s, background .15s;
}
.uymc-input:focus { border-color: var(--uymc-primary); background: #fff; }
.uymc-send-btn {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--uymc-primary); color: #fff;
  border: none; cursor: pointer; font-size: 16px;
  transition: transform .15s, background .15s;
}
.uymc-send-btn:hover { background: var(--uymc-primary-hover); transform: scale(1.05); }

/* Emoji-Panel */
.uymc-emoji-panel {
  position: absolute; bottom: 70px; right: 12px;
  width: 300px; max-height: 280px; overflow-y: auto;
  background: #fff; border: 1px solid var(--uymc-border);
  border-radius: 12px; padding: 8px;
  display: grid; grid-template-columns: repeat(8, 1fr);
  gap: 2px; box-shadow: 0 8px 24px rgba(0,0,0,.15);
  z-index: 10;
}
.uymc-emoji-panel button {
  background: transparent; border: none; font-size: 22px;
  padding: 4px; cursor: pointer; border-radius: 6px;
}
.uymc-emoji-panel button:hover { background: #f3f4f6; }

/* Reply preview */
.uymc-reply-preview {
  display: flex; gap: 8px; align-items: center;
  padding: 8px 14px; background: #eff6ff;
  border-top: 1px solid var(--uymc-border);
}
.uymc-reply-inner { flex: 1; min-width: 0; font-size: 13px; }
.uymc-reply-inner strong { color: var(--uymc-primary); display: block; }
.uymc-reply-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--uymc-text-muted); }

/* Typing */
.uymc-typing {
  padding: 4px 20px 8px; font-size: 12px;
  color: var(--uymc-text-muted);
  display: flex; gap: 6px; align-items: center;
}
.uymc-typing-dots { display: inline-flex; gap: 3px; }
.uymc-typing-dots i {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--uymc-text-muted);
  animation: uymcBounce 1.2s infinite;
}
.uymc-typing-dots i:nth-child(2) { animation-delay: .15s; }
.uymc-typing-dots i:nth-child(3) { animation-delay: .3s; }
@keyframes uymcBounce { 0%,60%,100%{transform:translateY(0)} 30%{transform:translateY(-4px)} }

/* Voice Recorder */
.uymc-voice-recorder {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  display: flex; align-items: center; justify-content: center;
  z-index: 100000; backdrop-filter: blur(4px);
}
.uymc-voice-inner {
  background: #fff; padding: 32px;
  border-radius: 16px; text-align: center; min-width: 300px;
}
.uymc-voice-timer { font-size: 36px; font-weight: 700; color: var(--uymc-primary); }
.uymc-voice-wave {
  height: 60px; margin: 16px 0;
  background: repeating-linear-gradient(90deg, var(--uymc-primary) 0 4px, transparent 4px 8px);
  border-radius: 4px; opacity: .6;
  animation: uymcWave 1s linear infinite;
}
@keyframes uymcWave { to { background-position: 16px 0; } }
.uymc-voice-btns { display: flex; gap: 12px; justify-content: center; }

.uymc-btn-primary {
  background: var(--uymc-primary); color: #fff;
  border: none; padding: 12px 24px;
  border-radius: 10px; font-weight: 600; cursor: pointer;
}
.uymc-btn-secondary {
  background: #f3f4f6; color: var(--uymc-text);
  border: none; padding: 12px 24px;
  border-radius: 10px; font-weight: 600; cursor: pointer;
}

/* Modal */
.uymc-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.5);
  display: flex; align-items: center; justify-content: center;
  z-index: 100000; backdrop-filter: blur(2px);
}
.uymc-modal-inner {
  background: #fff; border-radius: 16px;
  width: 420px; max-width: 90vw; max-height: 80vh;
  padding: 20px; display: flex; flex-direction: column;
}
.uymc-modal-inner h3 { margin: 0 0 12px; }
.uymc-modal-search {
  padding: 10px 14px; border: 1px solid var(--uymc-border);
  border-radius: 10px; font-size: 14px; margin-bottom: 12px;
}
.uymc-forward-list { flex: 1; overflow-y: auto; }
.uymc-modal-actions {
  display: flex; justify-content: flex-end; gap: 8px;
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--uymc-border);
}

/* Call Modal */
.uymc-call-modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.85);
  display: flex; align-items: center; justify-content: center;
  z-index: 100001; color: #fff;
}
.uymc-call-inner { text-align: center; max-width: 90vw; }
.uymc-call-avatar {
  width: 100px; height: 100px; border-radius: 50%;
  background: #333; margin: 0 auto 16px;
  background-size: cover; background-position: center;
}
.uymc-call-name { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.uymc-call-status { color: #aaa; margin-bottom: 24px; }
.uymc-call-videos {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-bottom: 24px;
}
.uymc-call-videos video {
  width: 320px; max-width: 40vw;
  aspect-ratio: 3/4; background: #000;
  border-radius: 12px; object-fit: cover;
}
.uymc-call-actions { display: flex; justify-content: center; gap: 16px; }
.uymc-call-accept, .uymc-call-reject {
  width: 64px; height: 64px; border-radius: 50%;
  border: none; font-size: 26px; cursor: pointer;
}
.uymc-call-accept { background: #22c55e; color: #fff; }
.uymc-call-reject { background: #ef4444; color: #fff; }

/* Login required */
.uymc-login-required {
  padding: 40px; text-align: center;
  background: #f9fafb; border-radius: 12px;
  border: 1px dashed var(--uymc-border);
}
.uymc-login-required h3 { margin: 0 0 8px; }
.uymc-login-required p { color: var(--uymc-text-muted); margin: 0 0 16px; }