/* ==========================================================================
   CSS DESIGN SYSTEM FOR «ВАЛЕРКА» (Discord Clone with Glassmorphism)
   ========================================================================== */

/* Variables & Color Tokens */
:root {
  --font-brand: 'Outfit', 'Inter', sans-serif;
  --font-ui: 'Inter', sans-serif;
  
  /* Modern Curated Dark Theme Colors */
  --bg-primary: #0d0f17;
  --bg-sidebar: #07080c;
  --bg-guilds: #030406;
  
  --glass-bg: rgba(18, 22, 35, 0.6);
  --glass-border: rgba(255, 255, 255, 0.06);
  --glass-highlight: rgba(255, 255, 255, 0.1);
  
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-purple: #8b5cf6;
  --accent-pink: #ec4899;
  
  /* Text colors */
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Dynamic Gradients */
  --grad-primary: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
  --grad-glowing: linear-gradient(135deg, #8b5cf6 0%, #06b6d4 100%);
  --grad-dark-glass: linear-gradient(135deg, rgba(20, 24, 38, 0.8) 0%, rgba(10, 12, 20, 0.9) 100%);
  
  /* Animations */
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --primary-glow: 0 0 20px rgba(6, 182, 212, 0.4);
  --speak-glow: 0 0 15px rgba(34, 197, 94, 0.7);
}

/* Global Reset */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  outline: none;
}

body {
  font-family: var(--font-ui);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

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

/* ==========================================================================
   1. WELCOME SCREEN & AUTHENTICATION
   ========================================================================== */
.welcome-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at top right, rgba(59, 130, 246, 0.15), transparent 40%),
              radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.15), transparent 40%),
              var(--bg-primary);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  padding: 20px;
}

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  border-radius: 16px;
}

.welcome-card {
  width: 100%;
  max-width: 460px;
  padding: 30px 40px 40px;
  position: relative;
  overflow: hidden;
}

.welcome-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(6, 182, 212, 0.1), transparent 40%);
  animation: rotate-border 10s linear infinite;
  z-index: -1;
  pointer-events: none;
}

@keyframes rotate-border {
  100% { transform: rotate(360deg); }
}

.brand-header {
  margin-bottom: 20px;
  text-align: center;
}

.brand-logo-large {
  width: 70px;
  height: 70px;
  border-radius: 22px;
  background: var(--grad-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-brand);
  font-size: 2.6rem;
  font-weight: 800;
  color: #fff;
  margin: 0 auto 15px;
  box-shadow: var(--primary-glow);
  transform: rotate(-5deg);
  transition: var(--transition-smooth);
}

.brand-logo-large:hover {
  transform: rotate(0deg) scale(1.08);
}

.brand-title {
  font-family: var(--font-brand);
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 6px;
  background: linear-gradient(135deg, #fff 30%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* Authentication Tabs style */
.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  background: rgba(255,255,255,0.02);
  border: 1px solid var(--glass-border);
  padding: 4px;
  border-radius: 8px;
  margin-bottom: 24px;
}

.auth-tab {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-brand);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px;
  cursor: pointer;
  border-radius: 6px;
  transition: var(--transition-smooth);
}

.auth-tab:hover {
  color: #fff;
  background: rgba(255,255,255,0.03);
}

.auth-tab.active {
  background: var(--glass-highlight);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.05);
  box-shadow: inset 0 1px 1px rgba(255,255,255,0.1);
}

.login-form {
  text-align: left;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.form-group input {
  width: 100%;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.form-group input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.2);
  background: rgba(255, 255, 255, 0.05);
}

/* Authentication Error Notification */
.auth-error-message {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  border-radius: 8px;
  color: #f87171;
  font-size: 0.82rem;
  margin-bottom: 20px;
  animation: slide-up 0.2s ease-out;
}

.auth-error-message i {
  font-size: 0.95rem;
}

/* Avatar Selector Styles */
.avatar-selector {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 10px;
  margin-top: 10px;
}

.avatar-option {
  aspect-ratio: 1;
  border-radius: 50%;
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.avatar-option:hover {
  transform: scale(1.12);
  border-color: rgba(255, 255, 255, 0.5);
}

.avatar-option.active {
  transform: scale(1.15);
  border-color: #fff;
  box-shadow: 0 0 12px rgba(255, 255, 255, 0.4);
}

/* Buttons */
.btn-primary {
  width: 100%;
  padding: 12px 20px;
  background: var(--grad-primary);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-family: var(--font-brand);
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: var(--primary-glow);
  transition: var(--transition-smooth);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 25px rgba(6, 182, 212, 0.6);
}

.btn-primary:active {
  transform: translateY(0);
}

.welcome-footer {
  margin-top: 24px;
  font-size: 0.72rem;
  color: var(--text-muted);
  text-align: center;
  line-height: 1.4;
}

.welcome-footer i {
  color: var(--accent-cyan);
  margin-right: 4px;
}

/* ==========================================================================
   2. APP LAYOUT
   ========================================================================== */
.app-layout {
  display: flex;
  width: 100vw;
  height: 100vh;
  height: 100dvh; /* Dynamic viewport height for iOS Safari navigation bars */
  background-color: var(--bg-primary);
  position: relative;
}

/* Guilds Sidebar */
.guilds-sidebar {
  width: 72px;
  background-color: var(--bg-guilds);
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0;
  gap: 8px;
  flex-shrink: 0;
  border-right: 1px solid rgba(255,255,255,0.02);
}

.guild-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #1e2230;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--text-secondary);
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 1.2rem;
  position: relative;
  transition: border-radius 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}

.guild-icon:hover {
  border-radius: 16px;
  background: var(--grad-primary);
  color: #fff;
}

.guild-icon.active {
  border-radius: 16px;
  background: var(--grad-primary);
  color: #fff;
}

.guild-indicator {
  position: absolute;
  left: -12px;
  top: 14px;
  width: 8px;
  height: 20px;
  background-color: #fff;
  border-radius: 0 4px 4px 0;
  transition: var(--transition-smooth);
}

.guild-icon:hover .guild-indicator {
  height: 30px;
}

.guild-icon.active .guild-indicator {
  height: 40px;
  top: 4px;
}

.guild-divider {
  width: 32px;
  height: 2px;
  background-color: #1e2230;
  margin: 4px 0;
}

.add-guild {
  background-color: transparent;
  border: 2px dashed #1e2230;
}

.add-guild:hover {
  border-color: var(--accent-cyan);
  background-color: transparent;
  color: var(--accent-cyan);
}

.mock-guild {
  background-color: #111422;
}

/* Sidebar Channels */
.sidebar {
  width: 240px;
  background-color: var(--bg-sidebar);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  border-right: 1px solid var(--glass-border);
}

.glass-header {
  height: 48px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--glass-border);
  font-family: var(--font-brand);
  font-weight: 600;
  color: #fff;
}

.server-name {
  font-size: 0.95rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-scrollable {
  flex-grow: 1;
  overflow-y: auto;
  padding: 16px 8px;
}

.channel-category {
  margin-bottom: 20px;
}

.category-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 0 8px;
  margin-bottom: 6px;
}

.add-channel-btn {
  cursor: pointer;
  transition: var(--transition-smooth);
}

.add-channel-btn:hover {
  color: var(--text-primary);
}

.channels-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.channel-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 0.88rem;
  transition: var(--transition-smooth);
  position: relative;
  group: true;
}

.channel-item:hover {
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-primary);
}

.channel-item.active {
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
  font-weight: 500;
}

.channel-name-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex-grow: 1;
  padding-right: 20px; /* Leave space for delete button */
}

.channel-item i {
  font-size: 0.95rem;
  width: 16px;
  text-align: center;
}

/* Delete Channel Trash Can Button */
.delete-channel-btn {
  opacity: 0;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
  position: absolute;
  right: 8px;
  font-size: 0.78rem;
  z-index: 5;
}

.channel-item:hover .delete-channel-btn {
  opacity: 0.6;
}

.delete-channel-btn:hover {
  opacity: 1 !important;
  color: #ef4444;
}

.channel-user-badge {
  background-color: var(--accent-cyan);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 8px;
  margin-right: 6px;
  box-shadow: 0 0 5px rgba(6, 182, 212, 0.3);
}

/* User panel (Bottom of sidebar) */
.user-panel {
  padding: 8px;
  margin: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 12px;
  border: 1px solid var(--glass-border);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  flex-grow: 1;
}

.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
  box-shadow: 0 2px 5px rgba(0,0,0,0.3);
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-brand);
  font-weight: 700;
  color: #fff;
}

.user-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-nickname {
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-status {
  font-size: 0.68rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.status-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.status-dot.online {
  background-color: #22c55e;
  box-shadow: 0 0 6px #22c55e;
}

.audio-controls {
  display: flex;
  gap: 1px;
}

.control-btn {
  background: transparent;
  border: none;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.control-btn:hover {
  background-color: rgba(255, 255, 255, 0.08);
  color: #fff;
}

.control-btn.active {
  color: #ef4444;
}

/* ==========================================================================
   3. MAIN CHAT AREA
   ========================================================================== */
.chat-area {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-primary);
  position: relative;
}

.chat-header {
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--glass-border);
}

.chat-header-info {
  display: flex;
  align-items: center;
  gap: 4px;
}

.channel-hash {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--text-muted);
}

.channel-title {
  font-family: var(--font-brand);
  font-size: 0.95rem;
  font-weight: 700;
  color: #fff;
}

.channel-description {
  font-size: 0.78rem;
  color: var(--text-secondary);
  margin-left: 8px;
}

.header-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 6px;
  border-radius: 6px;
  transition: var(--transition-smooth);
}

.header-btn:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.05);
}

/* Messages container */
.messages-container {
  flex-grow: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.message-item {
  display: flex;
  gap: 14px;
  animation: slide-up 0.25s cubic-bezier(0, 0, 0.2, 1);
}

@keyframes slide-up {
  from { transform: translateY(10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.msg-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.message-body {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.msg-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.msg-nickname {
  font-size: 0.9rem;
  font-weight: 600;
  color: #fff;
}

.msg-timestamp {
  font-size: 0.72rem;
  color: var(--text-muted);
}

.msg-text {
  font-size: 0.92rem;
  color: var(--text-primary);
  line-height: 1.45;
  white-space: pre-wrap;
  word-break: break-word;
}

/* System notifications */
.system-notification {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent-cyan);
  font-size: 0.8rem;
  font-style: italic;
  padding: 6px 12px;
  background: rgba(6, 182, 212, 0.05);
  border-radius: 8px;
  border-left: 3px solid var(--accent-cyan);
  margin: 4px 0;
}

.system-notification.disconnect {
  color: #ef4444;
  border-left-color: #ef4444;
  background: rgba(239, 68, 68, 0.05);
}

/* Typing indicator */
.typing-indicator {
  padding: 8px 24px;
  font-size: 0.75rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
  position: absolute;
  bottom: 64px;
  left: 0;
  width: 100%;
  background: linear-gradient(to top, var(--bg-primary) 80%, transparent);
}

.typing-dots {
  display: flex;
  gap: 3px;
}

.typing-dots span {
  width: 5px;
  height: 5px;
  background-color: var(--text-secondary);
  border-radius: 50%;
  animation: typing-bounce 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-bounce {
  0%, 80%, 100% { transform: scale(0); }
  40% { transform: scale(1); }
}

/* Message Input Form */
.chat-input-area {
  padding: 0 20px 24px;
  flex-shrink: 0;
}

.chat-input-form {
  display: flex;
  align-items: center;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 8px;
  border: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.chat-input-form:focus-within {
  border-color: rgba(6, 182, 212, 0.4);
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.15);
  background: rgba(255, 255, 255, 0.04);
}

.chat-input-form input {
  flex-grow: 1;
  background: transparent;
  border: none;
  padding: 12px;
  color: #fff;
  font-family: var(--font-ui);
  font-size: 0.95rem;
}

.input-action-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 1.1rem;
  padding: 8px;
  border-radius: 6px;
  transition: var(--transition-smooth);
}

.input-action-btn:hover {
  color: #fff;
  background-color: rgba(255,255,255,0.05);
}

.send-message-btn {
  background: var(--grad-primary);
  border: none;
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
  width: 32px;
  height: 32px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.send-message-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
}

/* ==========================================================================
   4. RIGHT USERS SIDEBAR & DIAGNOSTICS
   ========================================================================== */
.users-sidebar {
  width: 240px;
  background-color: var(--bg-sidebar);
  border-left: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  padding: 16px 8px;
  flex-shrink: 0;
  gap: 16px;
}

.users-category-header {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  padding: 0 8px;
}

.users-list-container {
  flex-grow: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.user-list-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px;
  border-radius: 6px;
  transition: var(--transition-smooth);
  cursor: default;
}

.user-list-item:hover {
  background-color: rgba(255, 255, 255, 0.03);
}

.user-list-item.in-voice {
  background-color: rgba(6, 182, 212, 0.05);
}

.avatar-wrapper {
  position: relative;
}

.avatar-speaking {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  box-shadow: var(--speak-glow);
  border: 2px solid #22c55e;
  animation: pulse-ring 1.2s infinite cubic-bezier(0.215, 0.610, 0.355, 1);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

/* Speaker Glowing Indicator */
.speaking .avatar-speaking {
  opacity: 1;
}

@keyframes pulse-ring {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(0.95); opacity: 0.8; }
}

.user-list-meta {
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.user-list-name {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.user-list-item:hover .user-list-name {
  color: #fff;
}

.user-list-voice-status {
  font-size: 0.68rem;
  color: var(--accent-cyan);
  display: flex;
  align-items: center;
  gap: 4px;
}

.user-list-voice-status i {
  font-size: 0.6rem;
}

/* Diagnostic Box */
.diagnostic-panel {
  padding: 12px;
  background: rgba(255, 255, 255, 0.02);
  border-radius: 10px;
  font-size: 0.75rem;
  border: 1px solid var(--glass-border);
}

.diagnostic-header {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-brand);
  font-weight: 700;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 8px;
  margin-bottom: 8px;
}

.diagnostic-header i {
  color: var(--accent-cyan);
}

.diagnostic-body {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.diagnostic-row {
  display: flex;
  justify-content: space-between;
}

.diagnostic-row span:first-child {
  color: var(--text-muted);
}

.diagnostic-value {
  font-weight: 600;
  color: var(--text-secondary);
}

.status-badge {
  padding: 1px 6px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.65rem;
  text-transform: uppercase;
}

.status-badge.online {
  background-color: rgba(34, 197, 94, 0.15);
  color: #22c55e;
}

.status-badge.offline {
  background-color: rgba(239, 68, 68, 0.15);
  color: #ef4444;
}

/* ==========================================================================
   5. MODAL DIALOGS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 150;
  padding: 20px;
}

.modal-card {
  width: 100%;
  max-width: 440px;
  padding: 30px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
  animation: modal-zoom 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes modal-zoom {
  from { transform: scale(0.9); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.modal-title {
  font-family: var(--font-brand);
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.2px;
}

/* Channel Type Selector (Premium cards layout) */
.channel-type-selector {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 6px;
}

.type-option {
  cursor: pointer;
  position: relative;
}

.type-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.type-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.type-card i {
  font-size: 1.3rem;
  color: var(--text-muted);
  width: 24px;
  text-align: center;
  transition: var(--transition-smooth);
}

.type-meta {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.type-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: var(--transition-smooth);
}

.type-desc {
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Hover state */
.type-option:hover .type-card {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
}

/* Checked state */
.type-option input[type="radio"]:checked + .type-card {
  background: rgba(6, 182, 212, 0.08);
  border-color: var(--accent-cyan);
}

.type-option input[type="radio"]:checked + .type-card i {
  color: var(--accent-cyan);
}

.type-option input[type="radio"]:checked + .type-card .type-title {
  color: #fff;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 30px;
}

.btn-secondary {
  background: transparent;
  border: none;
  color: #fff;
  font-family: var(--font-brand);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 20px;
  cursor: pointer;
  border-radius: 8px;
  transition: var(--transition-smooth);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.05);
}

.modal-submit-btn {
  width: auto;
  padding: 10px 24px;
  font-size: 0.95rem;
}

/* Animations helper */
.animate-fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn {
  from { opacity: 0; transform: scale(0.97); }
  to { opacity: 1; transform: scale(1); }
}

/* ==========================================================================
   ROLE BADGES & ADMIN ACTION CONTROLS
   ========================================================================== */
.role-badge {
  font-family: var(--font-brand);
  font-size: 0.62rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: 4px;
  margin-left: 6px;
  letter-spacing: 0.3px;
  display: inline-block;
  vertical-align: middle;
}

.role-badge.admin {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5253 100%);
  color: #fff;
  box-shadow: 0 0 8px rgba(238, 82, 83, 0.3);
}

.role-badge.moderator {
  background: linear-gradient(135deg, #54a0ff 0%, #2e86de 100%);
  color: #fff;
  box-shadow: 0 0 8px rgba(46, 134, 222, 0.3);
}

/* Admin Shield Button for setting moderators */
.toggle-role-btn {
  opacity: 0;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-left: auto;
  font-size: 0.85rem;
  padding: 4px;
  border-radius: 4px;
}

.user-list-item:hover .toggle-role-btn {
  opacity: 0.6;
}

.toggle-role-btn:hover {
  opacity: 1 !important;
  color: var(--accent-cyan);
  background: rgba(255, 255, 255, 0.05);
}

.toggle-role-btn.active {
  color: var(--accent-purple);
  opacity: 0.8;
}

.toggle-role-btn.active:hover {
  color: #ef4444;
}

/* ==========================================================================
   TOAST NOTIFICATIONS (ADMIN/MOD REQUESTS)
   ========================================================================== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 999;
  max-width: 320px;
  width: 100%;
}

.toast-card {
  display: flex;
  flex-direction: column;
  padding: 16px;
  background: rgba(22, 28, 45, 0.85);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  border: 1px solid rgba(6, 182, 212, 0.25);
  border-radius: 12px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4), 0 0 15px rgba(6, 182, 212, 0.15);
  animation: toast-slide-in 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
  position: relative;
  overflow: hidden;
}

@keyframes toast-slide-in {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.toast-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-brand);
  font-weight: 700;
  font-size: 0.8rem;
  color: #fff;
}

.toast-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: #fff;
  line-height: 1.2;
}

.toast-title span {
  color: var(--accent-cyan);
}

.toast-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.btn-toast-allow {
  background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
  border: none;
  border-radius: 6px;
  color: #0b2210;
  font-family: var(--font-brand);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  box-shadow: 0 0 8px rgba(56, 249, 215, 0.3);
  transition: var(--transition-smooth);
}

.btn-toast-allow:hover {
  transform: translateY(-1px);
  box-shadow: 0 0 12px rgba(56, 249, 215, 0.5);
}

.btn-toast-deny {
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 6px;
  color: #f87171;
  font-family: var(--font-brand);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 5px 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.btn-toast-deny:hover {
  background: rgba(239, 68, 68, 0.25);
  color: #fff;
}

/* ==========================================================================
   WAITING APPROVAL OVERLAY
   ========================================================================== */
.waiting-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(8, 10, 18, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 90;
  padding: 20px;
}

.waiting-card {
  max-width: 380px;
  width: 100%;
  padding: 30px;
  text-align: center;
  border: 1px solid rgba(6, 182, 212, 0.15);
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.waiting-spinner {
  width: 50px;
  height: 50px;
  border: 3px solid rgba(6, 182, 212, 0.1);
  border-top-color: var(--accent-cyan);
  border-radius: 50%;
  margin: 0 auto 20px;
  animation: spin 1s infinite linear;
  box-shadow: 0 0 15px rgba(6, 182, 212, 0.2);
}

@keyframes spin {
  100% { transform: rotate(360deg); }
}

.waiting-title {
  font-family: var(--font-brand);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
}

.waiting-title i {
  color: var(--accent-purple);
  margin-right: 4px;
}

.waiting-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 24px;
}

.channel-glow {
  font-weight: 600;
  color: var(--accent-cyan);
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.3);
}

/* ==========================================================================
   LOCK ICONS AND KICK USER BUTTONS
   ========================================================================== */
.channel-lock-icon {
  font-size: 0.65rem !important;
  color: var(--text-muted);
  opacity: 0.6;
  margin-left: 4px;
}

.kick-user-btn {
  opacity: 0;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-left: auto;
  font-size: 0.8rem;
  padding: 4px;
  border-radius: 4px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.user-list-item:hover .kick-user-btn {
  opacity: 0.6;
}

.kick-user-btn:hover {
  opacity: 1 !important;
  color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

/* Hide toggle channels button by default on desktop */
.toggle-channels-btn {
  display: none !important;
}

/* Drawer Backdrop for Mobile */
.drawer-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(4, 6, 12, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 95;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.drawer-backdrop.visible {
  opacity: 1;
  pointer-events: auto;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MOBILE LAYOUT DRAWERS)
   ========================================================================== */
@media (max-width: 768px) {
  .app-layout {
    overflow: hidden;
  }

  /* 1. Left Guilds Sidebar Drawer */
  .guilds-sidebar {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 5px 0 15px rgba(0, 0, 0, 0.3);
  }

  .guilds-sidebar.visible {
    transform: translateX(0);
  }

  /* 2. Left Channels Sidebar Drawer */
  .sidebar {
    position: absolute;
    left: 72px; /* Placed next to guilds-sidebar */
    top: 0;
    bottom: 0;
    width: 240px;
    z-index: 99;
    transform: translateX(-100%);
    /* Shifted by sidebar width + guilds sidebar width */
    transform: translateX(-312px); 
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 5px 0 25px rgba(0, 0, 0, 0.4);
    background: rgba(11, 15, 26, 0.98) !important;
  }

  /* When visible, slide in together with guilds sidebar */
  .sidebar.visible {
    transform: translateX(0);
  }
  
  /* Adjust offset if guilds sidebar is not visible (but they slide in together) */
  .guilds-sidebar.visible + .sidebar.visible {
    transform: translateX(0);
  }
  
  /* We want sidebar to align correctly on mobile slide-in */
  .sidebar {
    left: 0;
    padding-left: 72px; /* Make space for guilds sidebar inside it or position absolute */
    width: 312px;
  }

  /* 3. Right Users Sidebar Drawer */
  .users-sidebar {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    z-index: 100;
    transform: translateX(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -5px 0 25px rgba(0, 0, 0, 0.4);
    background: rgba(11, 15, 26, 0.98) !important;
    display: flex;
    flex-direction: column;
  }

  .users-sidebar.visible {
    transform: translateX(0);
  }

  /* 4. Chat Area occupies 100% space */
  .chat-area {
    width: 100% !important;
    flex-grow: 1;
    z-index: 10;
  }

  /* 5. Show menu burger icon in header */
  .toggle-channels-btn {
    display: flex !important;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.05);
    border: none;
    border-radius: 8px;
    color: #fff;
    cursor: pointer;
    transition: var(--transition-smooth);
  }
  
  .toggle-channels-btn:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  /* 6. Diagnostic Panel Adjustments (shrink for mobile layout) */
  .diagnostic-panel {
    margin-top: auto;
    padding: 10px;
  }
  .diagnostic-row {
    font-size: 0.75rem;
  }

  /* 7. Chat Inputs */
  .chat-input-area {
    padding: 8px;
  }
  .chat-input-form {
    padding: 6px 10px;
  }
  
  /* Hide channel descriptions to save space in header */
  .channel-description {
    display: none !important;
  }

  /* Welcome Card sizing for small screens */
  .welcome-card {
    padding: 24px;
    max-width: 90%;
  }

  /* Waiting approval overlay fits inside absolute bounds */
  .waiting-card {
    padding: 20px;
    max-width: 95%;
  }
}