/* ============================================================
   GRAMATON.PRO — PREMIUM THEME SYSTEM
   Old Money (Classic) & Deep Cyber (Neon)
   ============================================================ */

/* ---------- CSS CUSTOM PROPERTIES (THEME TOKENS) ---------- */
:root,
[data-theme="old-money"] {
  /* 🎨 Old Money — классическая роскошь */
  
  /* Backgrounds */
  --bg-primary: #0a0516;
  --bg-secondary: #050112;
  --bg-card: rgba(18, 11, 34, 0.45);
  --bg-card-hover: rgba(30, 18, 50, 0.55);
  --bg-drawer: rgba(10, 5, 22, 0.85);
  --bg-overlay: rgba(0, 0, 0, 0.6);
  
  /* Glassmorphism */
  --glass-bg: rgba(18, 11, 34, 0.55);
  --glass-blur: 25px;
  --glass-border: 1px solid rgba(122, 34, 166, 0.2);
  --glass-border-hover: 1px solid rgba(122, 34, 166, 0.4);
  
  /* Text */
  --text-primary: #e0d5c1;
  --text-secondary: rgba(224, 213, 193, 0.7);
  --text-muted: rgba(224, 213, 193, 0.4);
  --text-accent: #d4a853;
  
  /* Accent colors */
  --accent-purple: #7A22A6;
  --accent-purple-dark: #3B1154;
  --accent-gold: #FFB800;
  --accent-gold-dark: #4A3300;
  --accent-blue: #00A3FF;
  --accent-blue-dark: #002940;
  
  /* Gradients */
  --gradient-purple: linear-gradient(135deg, #7A22A6, #3B1154);
  --gradient-gold: linear-gradient(135deg, #FFB800, #4A3300);
  --gradient-blue: linear-gradient(135deg, #00A3FF, #002940);
  
  /* Status colors */
  --status-online: #22c55e;
  --status-away: #eab308;
  --status-offline: #6b7280;
  
  /* Borders */
  --border-subtle: 1px solid rgba(122, 34, 166, 0.15);
  --border-accent: 1px solid rgba(122, 34, 166, 0.3);
  
  /* Shadows */
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-glow-purple: 0 0 20px rgba(122, 34, 166, 0.2);
  --shadow-glow-gold: 0 0 20px rgba(255, 184, 0, 0.15);
  
  /* Typography */
  --font-primary: 'Georgia', 'Times New Roman', serif;
  --font-ui: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Sizing */
  --sidebar-width: 280px;
  --left-panel-width: 380px;
  --right-panel-width: 320px;
  --mobile-header-height: 56px;
  
  /* Transitions */
  --transition-smooth: 350ms cubic-bezier(0.22, 1, 0.36, 1);
  --transition-fast: 200ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ---------- Deep Cyber — неоновая эстетика ---------- */
[data-theme="deep-cyber"] {
  --bg-primary: #000000;
  --bg-secondary: #000c14;
  --bg-card: rgba(0, 20, 40, 0.55);
  --bg-card-hover: rgba(0, 30, 60, 0.65);
  --bg-drawer: rgba(0, 0, 0, 0.92);
  --bg-overlay: rgba(0, 0, 0, 0.75);
  
  --glass-bg: rgba(0, 15, 30, 0.6);
  --glass-border: 1px solid rgba(0, 255, 255, 0.15);
  --glass-border-hover: 1px solid rgba(0, 255, 255, 0.35);
  
  --text-primary: #e0f0ff;
  --text-secondary: rgba(224, 240, 255, 0.7);
  --text-muted: rgba(224, 240, 255, 0.35);
  --text-accent: #00ffff;
  
  --accent-purple: #00ffff;
  --accent-purple-dark: #008080;
  --accent-gold: #ff00ff;
  --accent-gold-dark: #800080;
  --accent-blue: #0088ff;
  --accent-blue-dark: #004488;
  
  --gradient-purple: linear-gradient(135deg, #00ffff, #008080);
  --gradient-gold: linear-gradient(135deg, #ff00ff, #800080);
  --gradient-blue: linear-gradient(135deg, #0088ff, #004488);
  
  --status-online: #00ff88;
  --status-away: #ff8800;
  --status-offline: #445566;
  
  --border-subtle: 1px solid rgba(0, 255, 255, 0.1);
  --border-accent: 1px solid rgba(0, 255, 255, 0.25);
  
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
  --shadow-glow-purple: 0 0 20px rgba(0, 255, 255, 0.15);
  --shadow-glow-gold: 0 0 20px rgba(255, 0, 255, 0.15);
  
  --font-primary: 'Inter', 'SF Pro Display', -apple-system, sans-serif;
}

/* ============================================================
   GLOBAL STYLES
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-ui);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow: hidden;
  height: 100vh;
  height: 100dvh;
  width: 100vw;
  transition: background var(--transition-smooth), color var(--transition-smooth);
}

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--accent-purple);
  border-radius: 4px;
  opacity: 0.3;
}

/* ============================================================
   APP CONTAINER — Main layout
   ============================================================ */
#app {
  display: none;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

/* ---------- LOGIN SCREEN ---------- */
#login-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: var(--bg-primary);
  gap: 20px;
  padding: 20px;
}

#login-screen .login-logo {
  font-family: var(--font-primary);
  font-size: 42px;
  font-weight: 700;
  letter-spacing: 4px;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 8px;
}

#login-screen .login-subtitle {
  font-size: 14px;
  color: var(--text-muted);
  font-family: var(--font-ui);
  margin-bottom: 16px;
}

#login-screen input {
  width: 300px;
  max-width: 90vw;
  padding: 14px 18px;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: var(--glass-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
  transition: border var(--transition-fast);
  font-family: var(--font-ui);
}

#login-screen input:focus {
  border: var(--glass-border-hover);
  box-shadow: var(--shadow-glow-purple);
}

#login-screen button {
  width: 300px;
  max-width: 90vw;
  padding: 14px;
  background: var(--gradient-purple);
  border: none;
  border-radius: 12px;
  color: #fff;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  font-family: var(--font-ui);
}

#login-screen button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-purple);
}

/* ============================================================
   MOBILE HEADER (< 768px)
   ============================================================ */
#mobile-header {
  display: none;
  height: var(--mobile-header-height);
  min-height: var(--mobile-header-height);
  padding: 0 16px;
  align-items: center;
  gap: 12px;
  background: var(--bg-drawer);
  backdrop-filter: blur(20px);
  border-bottom: var(--border-subtle);
  z-index: 100;
}

#mobile-header .app-title {
  font-family: var(--font-primary);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 2px;
  flex: 1;
  text-align: center;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* ============================================================
   THREE-PANEL LAYOUT
   ============================================================ */
#app-container {
  display: flex;
  height: 100vh;
  height: 100dvh;
  width: 100%;
  overflow: hidden;
  position: relative;
}

/* ---------- SIDEBAR (Desktop) ---------- */
#sidebar {
  width: var(--sidebar-width);
  min-width: var(--sidebar-width);
  height: 100%;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border-right: var(--border-accent);
  display: flex;
  flex-direction: column;
  z-index: 10;
  overflow-y: auto;
  overflow-x: hidden;
  transition: width var(--transition-smooth), min-width var(--transition-smooth),
              transform var(--transition-smooth);
}

#sidebar .sidebar-header {
  padding: 24px 20px 16px;
  font-family: var(--font-primary);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 3px;
  background: var(--gradient-gold);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  border-bottom: var(--border-subtle);
}

#sidebar .sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

#sidebar .sidebar-link {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 20px;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-family: var(--font-ui);
  cursor: pointer;
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}

#sidebar .sidebar-link:hover {
  background: var(--bg-card-hover);
  color: var(--text-primary);
}

#sidebar .sidebar-link.active {
  color: var(--text-accent);
  border-left-color: var(--accent-purple);
  background: rgba(122, 34, 166, 0.1);
}

#sidebar .sidebar-link .icon {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}

#sidebar .sidebar-footer {
  padding: 16px 20px;
  border-top: var(--border-subtle);
}

#sidebar .sidebar-footer .user-info {
  display: flex;
  align-items: center;
  gap: 10px;
}

#sidebar .sidebar-footer .avatar-small {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--gradient-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  color: #fff;
  font-weight: 600;
}

/* ---------- LEFT PANEL (Chat List) ---------- */
#left-panel {
  width: var(--left-panel-width);
  min-width: var(--left-panel-width);
  height: 100%;
  display: flex;
  flex-direction: column;
  border-right: var(--border-subtle);
  background: rgba(10, 5, 22, 0.3);
  overflow: hidden;
  transition: width var(--transition-fast), transform var(--transition-smooth);
}

#left-panel .panel-header {
  padding: 16px 16px 8px;
  border-bottom: var(--border-subtle);
}

#left-panel .panel-header h3 {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

#left-panel .search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: var(--glass-bg);
  border-radius: 10px;
  border: var(--border-subtle);
  margin-bottom: 8px;
}

#left-panel .search-box input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-ui);
  outline: none;
}

#left-panel .search-box input::placeholder {
  color: var(--text-muted);
}

#left-panel .chat-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.chat-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  cursor: pointer;
  transition: background var(--transition-fast);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.chat-item.active {
  background: rgba(122, 34, 166, 0.12);
  border-left: 3px solid var(--accent-purple);
}

.chat-item .avatar {
  width: 48px;
  height: 48px;
  min-width: 48px;
  border-radius: 50%;
  background: var(--gradient-purple);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  position: relative;
}

.chat-item .avatar .status-dot {
  position: absolute;
  bottom: 2px;
  right: 2px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  border: 2px solid var(--bg-primary);
}

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

.chat-item .chat-info .name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-item .chat-info .last-msg {
  font-size: 12px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.chat-item .chat-meta {
  text-align: right;
  min-width: 40px;
}

.chat-item .chat-meta .time {
  font-size: 11px;
  color: var(--text-muted);
}

.chat-item .chat-meta .unread {
  background: var(--accent-purple);
  color: #fff;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 10px;
  margin-top: 4px;
  display: inline-block;
}

/* ---------- CENTER PANEL (Messages) ---------- */
#center-panel {
  flex: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  position: relative;
}

#center-panel .chat-header {
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: var(--border-subtle);
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  min-height: 64px;
}

#center-panel .chat-header .back-btn {
  display: none;
  width: 36px;
  height: 36px;
  background: var(--glass-bg);
  border: var(--border-subtle);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 18px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

#center-panel .chat-header .chat-title {
  flex: 1;
}

#center-panel .chat-header .chat-title .name {
  font-size: 15px;
  font-weight: 600;
}

#center-panel .chat-header .chat-title .status {
  font-size: 12px;
  color: var(--status-online);
}

#center-panel .chat-header .chat-actions {
  display: flex;
  gap: 6px;
}

#center-panel .chat-header .chat-actions button {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--glass-bg);
  border: var(--border-subtle);
  color: var(--text-secondary);
  font-size: 16px;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

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

/* ---------- MESSAGE AREA ---------- */
#messages-area {
  flex: 1;
  overflow-y: auto;
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(122, 34, 166, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, rgba(0, 163, 255, 0.03) 0%, transparent 50%);
}

.message {
  max-width: 75%;
  padding: 10px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.5;
  position: relative;
  animation: messageIn 200ms ease-out;
}

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

.message.mine {
  align-self: flex-end;
  background: var(--gradient-purple);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.message.other {
  align-self: flex-start;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: var(--border-subtle);
  color: var(--text-primary);
  border-bottom-left-radius: 4px;
}

.message .msg-user {
  font-size: 11px;
  opacity: 0.7;
  margin-bottom: 2px;
  font-weight: 600;
}

.message .msg-time {
  font-size: 10px;
  opacity: 0.5;
  margin-top: 4px;
  text-align: right;
}

.message .msg-status {
  display: inline-block;
  margin-left: 4px;
}

.message .msg-status.sent { color: rgba(255,255,255,0.4); }
.message .msg-status.delivered { color: rgba(255,255,255,0.6); }
.message .msg-status.read { color: var(--accent-blue); }

.message.system {
  align-self: center;
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 12px;
  background: var(--glass-bg);
  border-radius: 8px;
  border: none;
}

/* ---------- INPUT AREA ---------- */
#input-area {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg-card);
  backdrop-filter: blur(var(--glass-blur));
  border-top: var(--border-subtle);
  align-items: flex-end;
}

#input-area .input-wrapper {
  flex: 1;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  background: var(--glass-bg);
  border: var(--border-subtle);
  border-radius: 16px;
  padding: 6px 12px;
  transition: border var(--transition-fast);
}

#input-area .input-wrapper:focus-within {
  border: var(--glass-border-hover);
  box-shadow: var(--shadow-glow-purple);
}

#input-area .input-wrapper textarea {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 14px;
  font-family: var(--font-ui);
  outline: none;
  resize: none;
  max-height: 120px;
  line-height: 1.4;
  padding: 4px 0;
}

#input-area .input-wrapper textarea::placeholder {
  color: var(--text-muted);
}

#input-area .input-wrapper .attach-btn,
#input-area .input-wrapper .emoji-btn,
#input-area .input-wrapper .voice-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
  transition: color var(--transition-fast);
  flex-shrink: 0;
}

#input-area .input-wrapper .attach-btn:hover,
#input-area .input-wrapper .emoji-btn:hover,
#input-area .input-wrapper .voice-btn:hover {
  color: var(--text-accent);
}

#input-area .send-btn {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--gradient-purple);
  border: none;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

#input-area .send-btn:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-glow-purple);
}

/* ---------- RIGHT PANEL ---------- */
#right-panel {
  width: var(--right-panel-width);
  min-width: var(--right-panel-width);
  height: 100%;
  border-left: var(--border-subtle);
  background: rgba(10, 5, 22, 0.3);
  overflow-y: auto;
  transition: width var(--transition-fast), transform var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

#right-panel .profile-header {
  text-align: center;
  padding: 24px 20px 16px;
  border-bottom: var(--border-subtle);
}

#right-panel .profile-header .big-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--gradient-purple);
  margin: 0 auto 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: #fff;
  font-weight: 600;
}

#right-panel .profile-header .display-name {
  font-size: 18px;
  font-weight: 700;
  font-family: var(--font-primary);
}

#right-panel .profile-header .user-status {
  font-size: 13px;
  color: var(--status-online);
  margin-top: 4px;
}

#right-panel .profile-section {
  padding: 16px 20px;
  border-bottom: var(--border-subtle);
}

#right-panel .profile-section h4 {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  margin-bottom: 10px;
}

#right-panel .profile-section .shared-media {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

#right-panel .profile-section .shared-media .media-thumb {
  aspect-ratio: 1;
  background: var(--glass-bg);
  border-radius: 6px;
  border: var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--text-muted);
  cursor: pointer;
}

/* ============================================================
   TABLET (768-1024px)
   ============================================================ */
@media (max-width: 1024px) and (min-width: 768px) {
  #sidebar {
    width: 64px;
    min-width: 64px;
  }
  
  #sidebar .sidebar-header,
  #sidebar .sidebar-link span,
  #sidebar .sidebar-footer .user-info span {
    display: none;
  }
  
  #sidebar .sidebar-link {
    justify-content: center;
    padding: 16px 0;
  }
  
  #sidebar .sidebar-footer .user-info {
    justify-content: center;
  }
  
  #right-panel {
    width: 280px;
    min-width: 280px;
  }
  
  #left-panel {
    width: 340px;
    min-width: 340px;
  }
}

/* ============================================================
   MOBILE (< 768px)
   ============================================================ */
@media (max-width: 767px) {
  #mobile-header {
    display: flex;
  }
  
  #app-container {
    flex-direction: column;
  }
  
  /* Sidebar → hidden, becomes drawer */
  #sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 85%;
    max-width: 360px;
    min-width: auto;
    height: 100vh;
    height: 100dvh;
    z-index: 1000;
    transform: translate3d(-100%, 0, 0);
  }
  
  #sidebar.open {
    transform: translate3d(0, 0, 0);
  }
  
  /* Left panel → full screen */
  #left-panel {
    position: fixed;
    top: var(--mobile-header-height);
    left: 0;
    width: 100vw;
    min-width: auto;
    height: calc(100vh - var(--mobile-header-height));
    z-index: 50;
    transition: transform var(--transition-smooth);
    transform: translate3d(0, 0, 0);
  }
  
  #left-panel.slide-out {
    transform: translate3d(-100%, 0, 0);
  }
  
  /* Center panel → full screen */
  #center-panel {
    position: fixed;
    top: var(--mobile-header-height);
    left: 0;
    width: 100vw;
    height: calc(100vh - var(--mobile-header-height));
    z-index: 51;
    transform: translate3d(100%, 0, 0);
    transition: transform var(--transition-smooth);
  }
  
  #center-panel.slide-in {
    transform: translate3d(0, 0, 0);
  }
  
  #center-panel .chat-header .back-btn {
    display: flex;
  }
  
  /* Right panel → hidden */
  #right-panel {
    display: none;
  }
  
  .message {
    max-width: 88%;
    font-size: 15px;
  }
  
  #input-area {
    padding: 10px 12px;
  }
  
  #input-area .input-wrapper {
    padding: 4px 10px;
  }
}

/* ============================================================
   DRAWER OVERLAY
   ============================================================ */
#drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 999;
  background: var(--bg-overlay);
  backdrop-filter: blur(8px);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

#drawer-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

/* ============================================================
   SWIPE ZONE
   ============================================================ */
.swipe-zone {
  position: fixed;
  top: 0;
  left: 0;
  width: 30px;
  height: 100vh;
  z-index: 500;
  background: transparent;
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 18px;
  background: var(--bg-card);
  backdrop-filter: blur(25px);
  border: var(--glass-border-hover);
  border-radius: 12px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: var(--font-ui);
  box-shadow: var(--shadow-card);
  animation: toastIn 300ms ease-out;
  max-width: 360px;
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(20px); }
  to { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   LANGUAGE SELECTOR
   ============================================================ */
.lang-selector {
  position: relative;
}

.lang-selector select {
  padding: 6px 10px;
  background: var(--glass-bg);
  border: var(--border-subtle);
  border-radius: 8px;
  color: var(--text-primary);
  font-size: 12px;
  font-family: var(--font-ui);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  padding-right: 24px;
  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='%23e0d5c1' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 6px center;
}

.lang-selector select option {
  background: var(--bg-primary);
  color: var(--text-primary);
}

/* ============================================================
   TYPING INDICATOR
   ============================================================ */
#typing-indicator {
  font-size: 12px;
  color: var(--text-muted);
  padding: 4px 20px;
  font-style: italic;
  min-height: 24px;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  gap: 16px;
  padding: 40px;
  text-align: center;
}

.empty-state .empty-icon {
  font-size: 64px;
  opacity: 0.3;
}

.empty-state h3 {
  font-family: var(--font-primary);
  font-size: 24px;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 14px;
  color: var(--text-muted);
  max-width: 300px;
}