/* ═══════════════════════════════════════════════
   PogoHub Messenger v2.0 — Premium Dark Theme
   ═══════════════════════════════════════════════ */
:root {
  --bg-primary: #1b2433;
  --bg-secondary: #141c27;
  --bg-chat: #141c27;
  --bg-msg-out: #2d5a8a;
  --bg-msg-in: #1e2d3d;
  --bg-hover: #232e3e;
  --bg-active: #2d5a8a;
  --bg-input: #1e2938;
  --bg-modal: #1b2836;
  --bg-surface: #1e2d3d;
  --text-primary: #e8ecf1;
  --text-secondary: #7b8da0;
  --text-link: #5ea6ef;
  --accent: #4a90d9;
  --accent-hover: #5ea6ef;
  --accent-light: rgba(74,144,217,0.12);
  --green: #42c360;
  --green-bg: rgba(66,195,96,0.12);
  --red: #e0544f;
  --red-bg: rgba(224,84,79,0.1);
  --orange: #e8a838;
  --border: rgba(255,255,255,0.06);
  --shadow: rgba(0,0,0,0.35);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-msg: 18px;
  --transition: 0.2s cubic-bezier(.4,0,.2,1);
  --font: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { margin:0; padding:0; box-sizing:border-box; }

body {
  font-family: var(--font);
  background: var(--bg-secondary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#root { height: 100vh; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

::selection { background: var(--accent); color: #fff; }

/* ═══ AUTH SCREEN ═══ */
.auth-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--bg-secondary);
  position: relative;
  overflow: hidden;
}

.auth-screen::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 40%, rgba(74,144,217,0.06) 0%, transparent 50%),
              radial-gradient(circle at 70% 60%, rgba(66,195,96,0.04) 0%, transparent 50%);
  animation: bgPulse 15s ease infinite alternate;
}

@keyframes bgPulse {
  0% { transform: translate(0,0) scale(1); }
  100% { transform: translate(-2%,-1%) scale(1.05); }
}

.auth-container {
  width: 420px;
  max-width: 92vw;
  padding: 48px 40px;
  background: var(--bg-primary);
  border-radius: 24px;
  box-shadow: 0 32px 80px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
  text-align: center;
  position: relative;
  z-index: 1;
  animation: authEnter 0.5s cubic-bezier(.4,0,.2,1);
}

@keyframes authEnter {
  from { opacity: 0; transform: translateY(24px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-logo {
  width: 72px;
  height: 72px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, var(--accent), #42c360);
  border-radius: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  box-shadow: 0 8px 32px rgba(74,144,217,0.3);
}

.auth-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 4px;
  background: linear-gradient(135deg, var(--text-primary), var(--text-link));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.5px;
}

.auth-subtitle {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-weight: 500;
}

.auth-form { display: flex; flex-direction: column; gap: 0; }

.field-group {
  position: relative;
  margin-bottom: 16px;
}

.field-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.field-group .field-row {
  position: relative;
}

.field-group .field-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 20px;
  color: var(--text-secondary);
  pointer-events: none;
  transition: color var(--transition);
}

.auth-input {
  width: 100%;
  padding: 14px 16px 14px 46px;
  background: var(--bg-input);
  border: 2px solid transparent;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font);
  font-weight: 500;
  outline: none;
  transition: all var(--transition);
}

.auth-input:focus { border-color: var(--accent); }
.auth-input:focus ~ .field-icon,
.auth-input:focus + .field-icon { color: var(--accent); }
.auth-input::placeholder { color: var(--text-secondary); font-weight: 400; }

.auth-input.no-icon { padding-left: 16px; }

.auth-input.error { border-color: var(--red); }

.field-hint {
  font-size: 11px;
  margin-top: 4px;
  text-align: left;
  font-weight: 500;
}

.field-hint.error { color: var(--red); }
.field-hint.success { color: var(--green); }

.password-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.password-row .field-group { margin-bottom: 0; }

.password-strength {
  display: flex;
  gap: 4px;
  margin-top: 8px;
  margin-bottom: 16px;
}

.password-strength-bar {
  flex: 1;
  height: 3px;
  border-radius: 2px;
  background: var(--border);
  transition: background 0.3s;
}

.password-strength-bar.weak { background: var(--red); }
.password-strength-bar.medium { background: var(--orange); }
.password-strength-bar.strong { background: var(--green); }

.auth-btn {
  width: 100%;
  padding: 15px;
  background: linear-gradient(135deg, var(--accent), #3d7ec0);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 15px;
  font-weight: 700;
  font-family: var(--font);
  cursor: pointer;
  transition: all var(--transition);
  margin-top: 8px;
  letter-spacing: 0.3px;
  position: relative;
  overflow: hidden;
}

.auth-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px rgba(74,144,217,0.35); }
.auth-btn:active { transform: translateY(0); }
.auth-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.auth-btn .spinner {
  display: inline-block;
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  vertical-align: middle;
}

@keyframes spin { to { transform: rotate(360deg); } }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 24px 0;
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.auth-divider::before, .auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-switch {
  margin-top: 24px;
  font-size: 14px;
  color: var(--text-secondary);
  font-weight: 500;
}

.auth-switch a {
  color: var(--text-link);
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition);
}

.auth-switch a:hover { color: var(--accent-hover); }

.auth-error {
  background: var(--red-bg);
  color: var(--red);
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  text-align: left;
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%,100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.auth-footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}

/* ═══ APP LAYOUT ═══ */
.app-layout {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ═══ SIDEBAR ═══ */
.sidebar {
  width: 380px;
  min-width: 380px;
  background: var(--bg-primary);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.sidebar-header {
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 60px;
}

.sidebar-header .menu-btn {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  cursor: pointer;
  transition: background var(--transition);
  background: none;
  border: none;
  color: var(--text-secondary);
}

.sidebar-header .menu-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.search-box {
  flex: 1;
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 11px 14px 11px 40px;
  background: var(--bg-input);
  border: 2px solid transparent;
  border-radius: 24px;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  font-weight: 500;
  outline: none;
  transition: all var(--transition);
}

.search-box input:focus { border-color: var(--accent); background: var(--bg-surface); }
.search-box input::placeholder { color: var(--text-secondary); font-weight: 400; }

.search-box .search-icon {
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 18px;
  pointer-events: none;
}

/* ═══ CHAT LIST ═══ */
.chat-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}

.chat-item {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  gap: 12px;
  cursor: pointer;
  transition: background var(--transition);
  position: relative;
}

.chat-item:hover { background: var(--bg-hover); }
.chat-item.active { background: var(--bg-active); }

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

.chat-info-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.chat-name {
  font-size: 15px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-time {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  margin-left: 8px;
  font-weight: 500;
}

.chat-last-msg {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.3;
  font-weight: 400;
}

.chat-last-msg .sender { color: var(--text-link); font-weight: 600; }

.unread-badge {
  background: var(--accent);
  color: #fff;
  font-size: 11px;
  font-weight: 700;
  min-width: 22px;
  height: 22px;
  border-radius: 11px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 7px;
  position: absolute;
  right: 16px;
  bottom: 12px;
}

/* ═══ AVATAR ═══ */
.avatar {
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.avatar img { width: 100%; height: 100%; object-fit: cover; }

.avatar-colors-0 { background: linear-gradient(135deg, #5288c1, #3d6fa3); }
.avatar-colors-1 { background: linear-gradient(135deg, #e57254, #c45a3e); }
.avatar-colors-2 { background: linear-gradient(135deg, #8e72d6, #7058b8); }
.avatar-colors-3 { background: linear-gradient(135deg, #42c360, #35a14f); }
.avatar-colors-4 { background: linear-gradient(135deg, #d6a24e, #b88a3a); }
.avatar-colors-5 { background: linear-gradient(135deg, #54a6e5, #3d8cc7); }
.avatar-colors-6 { background: linear-gradient(135deg, #e55485, #c74570); }
.avatar-colors-7 { background: linear-gradient(135deg, #45c9c9, #34a8a8); }

.online-dot {
  position: absolute;
  bottom: 1px;
  right: 1px;
  width: 14px;
  height: 14px;
  background: var(--green);
  border: 2.5px solid var(--bg-primary);
  border-radius: 50%;
  z-index: 2;
}

/* ═══ CHAT AREA ═══ */
.chat-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg-chat);
  position: relative;
}

.no-chat {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  flex-direction: column;
  gap: 16px;
  color: var(--text-secondary);
}

.no-chat .text { font-size: 16px; font-weight: 500; }

/* Chat Header */
.chat-header {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border);
  gap: 12px;
  min-height: 60px;
}

.chat-header .back-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 4px;
  border-radius: 50%;
  transition: all var(--transition);
}

.chat-header .back-btn:hover { background: var(--bg-hover); color: var(--text-primary); }

.chat-header-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.chat-header-name {
  font-size: 16px;
  font-weight: 700;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-header-status {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.chat-header-status.online { color: var(--green); }

.chat-header-actions {
  display: flex;
  gap: 2px;
}

.chat-header-actions button {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
}

.chat-header-actions button:hover { background: var(--bg-hover); color: var(--text-primary); }

/* ═══ MESSAGES ═══ */
.messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px 0;
}

.messages-container {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.date-separator {
  text-align: center;
  padding: 12px 0;
}

.date-separator span {
  background: rgba(0,0,0,0.35);
  color: var(--text-secondary);
  padding: 5px 14px;
  border-radius: 14px;
  font-size: 13px;
  font-weight: 600;
}

.message {
  display: flex;
  max-width: 72%;
  position: relative;
  animation: msgIn 0.2s ease;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.message.out { align-self: flex-end; }
.message.in { align-self: flex-start; }

.message-bubble {
  padding: 8px 12px 6px;
  border-radius: var(--radius-msg);
  position: relative;
  word-wrap: break-word;
  line-height: 1.45;
}

.message.out .message-bubble {
  background: var(--bg-msg-out);
  border-bottom-right-radius: 6px;
}

.message.in .message-bubble {
  background: var(--bg-msg-in);
  border-bottom-left-radius: 6px;
}

.message-sender {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-link);
  margin-bottom: 2px;
}

.message-text {
  font-size: 15px;
  line-height: 1.45;
  white-space: pre-wrap;
  font-weight: 400;
}

.message-meta {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  margin-top: 2px;
  float: right;
  margin-left: 12px;
  position: relative;
  bottom: -3px;
}

.message-time { font-size: 11px; color: rgba(255,255,255,0.4); font-weight: 500; }
.message-edited { font-size: 11px; color: rgba(255,255,255,0.3); font-style: italic; }
.message-check { color: rgba(255,255,255,0.4); }

.message-reply {
  background: rgba(255,255,255,0.06);
  border-left: 3px solid var(--accent);
  padding: 4px 10px;
  margin-bottom: 6px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  cursor: pointer;
}

.message-reply-name { font-size: 12px; font-weight: 700; color: var(--text-link); }
.message-reply-text { font-size: 13px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 300px; }

.message-file {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.message-file-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
}

.message-file-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.message-file-size { font-size: 12px; color: var(--text-secondary); }

.message-image {
  max-width: 340px;
  max-height: 340px;
  border-radius: 12px;
  cursor: pointer;
  display: block;
}

/* Context menu */
.msg-context-menu {
  position: fixed;
  background: var(--bg-modal);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5), 0 0 0 1px var(--border);
  padding: 6px 0;
  z-index: 1000;
  min-width: 200px;
  animation: ctxIn 0.15s ease;
}

@keyframes ctxIn { from { opacity: 0; transform: scale(0.95); } to { opacity: 1; transform: scale(1); } }

.msg-context-item {
  padding: 11px 16px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: background var(--transition);
  color: var(--text-primary);
}

.msg-context-item:hover { background: var(--bg-hover); }
.msg-context-item.danger { color: var(--red); }
.msg-context-item .material-icons-outlined { font-size: 20px; }

/* ═══ INPUT AREA ═══ */
.message-input-area {
  padding: 8px 16px 14px;
  background: var(--bg-primary);
  border-top: 1px solid var(--border);
}

.reply-preview {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  margin-bottom: 8px;
  background: var(--bg-surface);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--accent);
}

.reply-preview-content { flex: 1; min-width: 0; }
.reply-preview-name { font-size: 12px; font-weight: 700; color: var(--text-link); }
.reply-preview-text { font-size: 13px; color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.reply-preview-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 50%;
  padding: 4px;
  transition: all var(--transition);
}

.reply-preview-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.input-row {
  display: flex;
  align-items: flex-end;
  gap: 8px;
}

.input-row button {
  width: 44px;
  height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
}

.input-row .attach-btn {
  background: none;
  color: var(--text-secondary);
}

.input-row .attach-btn:hover { color: var(--text-primary); background: var(--bg-hover); }

.input-row .send-btn {
  background: var(--accent);
  color: #fff;
}

.input-row .send-btn:hover { background: var(--accent-hover); transform: scale(1.05); }
.input-row .send-btn:disabled { opacity: 0.3; cursor: default; transform: none; }

.msg-input {
  flex: 1;
  background: var(--bg-input);
  border: 2px solid transparent;
  border-radius: 24px;
  padding: 12px 18px;
  color: var(--text-primary);
  font-size: 15px;
  font-family: var(--font);
  font-weight: 400;
  resize: none;
  outline: none;
  max-height: 160px;
  min-height: 44px;
  line-height: 1.4;
  transition: border var(--transition);
}

.msg-input:focus { border-color: var(--accent); }
.msg-input::placeholder { color: var(--text-secondary); }

/* ═══ MODALS ═══ */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.15s ease;
}

.modal {
  background: var(--bg-primary);
  border-radius: 20px;
  width: 440px;
  max-width: 92vw;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 32px 80px rgba(0,0,0,0.6), 0 0 0 1px var(--border);
  animation: modalIn 0.25s cubic-bezier(.4,0,.2,1);
}

@keyframes modalIn {
  from { opacity: 0; transform: translateY(16px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.modal-header h3 { flex: 1; font-size: 18px; font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.modal-close:hover { background: var(--bg-hover); color: var(--text-primary); }

.modal-body { padding: 20px; }

.modal-input {
  width: 100%;
  padding: 13px 16px;
  background: var(--bg-input);
  border: 2px solid transparent;
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font);
  font-weight: 500;
  outline: none;
  margin-bottom: 12px;
  transition: border var(--transition);
}

.modal-input:focus { border-color: var(--accent); }
.modal-input::placeholder { color: var(--text-secondary); }

.modal-btn {
  padding: 13px 24px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font);
  transition: all var(--transition);
}

.modal-btn:hover { background: var(--accent-hover); }

.user-list-item {
  display: flex;
  align-items: center;
  padding: 10px 8px;
  gap: 12px;
  cursor: pointer;
  transition: background var(--transition);
  border-radius: var(--radius-sm);
  margin: 0 -8px;
}

.user-list-item:hover { background: var(--bg-hover); }

.user-list-item .user-info { flex: 1; min-width: 0; }
.user-list-item .user-name { font-size: 14px; font-weight: 600; }
.user-list-item .user-status { font-size: 13px; color: var(--text-secondary); }
.user-list-item .user-status.online { color: var(--green); }

.user-check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}

.user-check.checked {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ═══ SIDEBAR MENU ═══ */
.sidebar-menu {
  position: fixed;
  top: 0; left: 0;
  width: 300px;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 600;
  box-shadow: 8px 0 32px rgba(0,0,0,0.4);
  animation: slideRight 0.25s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}

.sidebar-menu-header {
  padding: 24px 20px;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
}

.sidebar-menu-name { font-size: 17px; font-weight: 700; margin-top: 16px; }
.sidebar-menu-username { font-size: 14px; color: var(--text-secondary); font-weight: 500; }

.sidebar-menu-items { padding: 8px 0; }

.sidebar-menu-item {
  display: flex;
  align-items: center;
  padding: 14px 20px;
  gap: 16px;
  cursor: pointer;
  transition: background var(--transition);
  font-size: 15px;
  font-weight: 500;
}

.sidebar-menu-item:hover { background: var(--bg-hover); }
.sidebar-menu-item .material-icons-outlined { font-size: 22px; color: var(--text-secondary); }
.sidebar-menu-item.danger { color: var(--red); }
.sidebar-menu-item.danger .material-icons-outlined { color: var(--red); }

.sidebar-menu-divider { height: 1px; background: var(--border); margin: 4px 0; }

/* ═══ PROFILE PANEL ═══ */
.profile-panel {
  position: absolute;
  top: 0; right: 0;
  width: 380px;
  height: 100vh;
  background: var(--bg-primary);
  z-index: 50;
  box-shadow: -8px 0 32px rgba(0,0,0,0.4);
  animation: slideLeft 0.25s cubic-bezier(.4,0,.2,1);
  overflow-y: auto;
}

.profile-panel-header {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  min-height: 60px;
}

.profile-panel-header h3 { flex: 1; font-size: 18px; font-weight: 700; }

.profile-panel-body { padding: 32px 24px; text-align: center; }

.profile-big-name { font-size: 24px; font-weight: 800; margin-top: 16px; margin-bottom: 4px; }
.profile-big-status { font-size: 14px; color: var(--text-secondary); margin-bottom: 28px; font-weight: 500; }
.profile-big-status.online { color: var(--green); }

.profile-info-row {
  display: flex;
  align-items: center;
  padding: 14px 0;
  gap: 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

.profile-info-row .material-icons-outlined { font-size: 22px; color: var(--text-secondary); }
.profile-info-label { font-size: 13px; color: var(--text-secondary); font-weight: 500; }
.profile-info-value { font-size: 15px; font-weight: 500; }

/* ═══ ANIMATIONS ═══ */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideRight { from { transform: translateX(-100%); } to { transform: translateX(0); } }
@keyframes slideLeft { from { transform: translateX(100%); } to { transform: translateX(0); } }

/* ═══ RESPONSIVE ═══ */
@media (max-width: 768px) {
  .sidebar { width: 100%; min-width: 100%; }
  .sidebar.hidden { display: none; }
  .chat-area.hidden { display: none !important; }
  .chat-area { width: 100%; }
  .chat-header .back-btn { display: flex; }
  .profile-panel { width: 100%; }
  .auth-container { padding: 32px 24px; border-radius: 0; box-shadow: none; width: 100%; max-width: 100%; height: 100vh; display: flex; flex-direction: column; justify-content: center; }
  .password-row { grid-template-columns: 1fr; }
}