/* KChat - Simple & Material 3 Styling System */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  /* Google Colors */
  --google-blue: #1a73e8;
  --google-blue-hover: #1557b0;
  --google-blue-light: #e8f0fe;
  --google-red: #ea4335;
  --google-yellow: #fbbc05;
  --google-green: #34a853;
  --google-green-light: #e6f4ea;
  
  /* Theme Colors (Default: Light Mode) */
  --bg-body: #f8f9fa;
  --bg-surface: #ffffff;
  --bg-surface-variant: #f1f3f4;
  --bg-sidebar: #f1f3f4;
  --border-color: #dadce0;
  
  --text-primary: #202124;
  --text-secondary: #5f6368;
  --text-disabled: #9aa0a6;
  
  --shadow-sm: 0 1px 2px 0 rgba(60,64,67,0.3), 0 1px 3px 1px rgba(60,64,67,0.15);
  --shadow-md: 0 1px 3px 0 rgba(60,64,67,0.3), 0 4px 8px 3px rgba(60,64,67,0.15);
  --shadow-lg: 0 2px 6px 2px rgba(60,64,67,0.15), 0 6px 10px 4px rgba(60,64,67,0.3);
  
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;
  
  --font-title: 'Outfit', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg-body: #121212;
  --bg-surface: #1e1e1e;
  --bg-surface-variant: #2d2d2d;
  --bg-sidebar: #1a1a1a;
  --border-color: #3c4043;
  
  --text-primary: #e8eaed;
  --text-secondary: #9aa0a6;
  --text-disabled: #5f6368;
  
  --google-blue: #8ab4f8;
  --google-blue-hover: #aecbfa;
  --google-blue-light: #1c2b3e;
  --google-red: #f28b82;
  --google-yellow: #fddc63;
  --google-green: #81c995;
  --google-green-light: #183023;
  
  --shadow-sm: 0 1px 2px 0 rgba(0,0,0,0.5);
  --shadow-md: 0 4px 8px 0 rgba(0,0,0,0.5);
  --shadow-lg: 0 8px 16px 0 rgba(0,0,0,0.5);
}

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-body);
  color: var(--text-primary);
  height: 100vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-disabled);
}

/* Logo Styling */
.g-logo {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -1.5px;
}
.g-logo span:nth-child(5n+1) { color: var(--google-blue); }
.g-logo span:nth-child(5n+2) { color: var(--google-red); }
.g-logo span:nth-child(5n+3) { color: var(--google-yellow); }
.g-logo span:nth-child(5n+4) { color: var(--google-green); }
.g-logo span:nth-child(5n)   { color: var(--google-blue); }

/* Landing Page & Auth Styles */
.landing-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  padding: 24px;
  text-align: center;
  background: radial-gradient(circle at 10% 20%, rgba(26, 115, 232, 0.05) 0%, transparent 40%),
              radial-gradient(circle at 90% 80%, rgba(52, 168, 83, 0.05) 0%, transparent 40%);
  overflow-y: auto;
}

.landing-card {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 48px;
  width: 100%;
  max-width: 480px;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.landing-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.landing-logo {
  font-size: 4rem;
  margin-bottom: 8px;
}

.landing-tagline {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 32px;
}

/* Forms */
.form-group {
  margin-bottom: 20px;
  position: relative;
  text-align: left;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  padding-left: 4px;
}

.form-input {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--google-blue);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

/* Username check states */
.username-status {
  font-size: 0.8rem;
  margin-top: 5px;
  display: flex;
  align-items: center;
  gap: 4px;
  font-weight: 500;
}
.username-status.available { color: var(--google-green); }
.username-status.unavailable { color: var(--google-red); }
.username-status.loading { color: var(--google-blue); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 24px;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 500;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  gap: 8px;
}

.btn-primary {
  background-color: var(--google-blue);
  color: white;
}
.btn-primary:hover {
  background-color: var(--google-blue-hover);
  box-shadow: 0 2px 4px rgba(26,115,232,0.2);
}
.btn-primary:active {
  transform: scale(0.98);
}

.btn-secondary {
  background-color: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-primary);
}
.btn-secondary:hover {
  background-color: var(--bg-surface-variant);
}

.btn-danger {
  background-color: var(--google-red);
  color: white;
}
.btn-danger:hover {
  background-color: #d93025;
}

.btn-text {
  background: none;
  border: none;
  color: var(--google-blue);
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  font-size: 0.9rem;
}
.btn-text:hover {
  text-decoration: underline;
}

.auth-toggle {
  margin-top: 24px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Main Console Layout */
.app-container {
  display: flex;
  height: 100vh;
  width: 100vw;
  background-color: var(--bg-body);
}

/* Sidebar Styling */
.sidebar {
  width: 320px;
  min-width: 320px;
  background-color: var(--bg-sidebar);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  height: 100%;
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.sidebar-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-logo {
  font-size: 1.8rem;
}

.user-profile {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--bg-surface);
  padding: 10px 14px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.user-info {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-family: var(--font-title);
  flex-shrink: 0;
  font-size: 0.95rem;
}

.username-display {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-search {
  padding: 12px 20px;
}

.search-wrapper {
  position: relative;
}

.search-input {
  width: 100%;
  padding: 10px 14px 10px 36px;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--google-blue);
  background-color: var(--bg-surface);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-disabled);
  pointer-events: none;
}

.sidebar-actions {
  padding: 8px 20px;
  display: flex;
  gap: 8px;
}

.sidebar-actions .btn {
  flex: 1;
  padding: 8px 16px;
  font-size: 0.85rem;
}

.space-list {
  flex: 1;
  overflow-y: auto;
  padding: 8px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.space-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  gap: 8px;
}

.space-item:hover {
  background-color: var(--bg-surface-variant);
}

.space-item.active {
  background-color: var(--google-blue-light);
  border-color: rgba(26, 115, 232, 0.1);
}

.space-item-info {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  flex: 1;
}

.space-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface-variant);
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 1.1rem;
  flex-shrink: 0;
}

.space-item.active .space-icon {
  background-color: var(--google-blue);
  color: white;
}

.space-details {
  min-width: 0;
}

.space-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
}

.space-name {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.space-badge {
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: 600;
  text-transform: uppercase;
}

.space-badge.public {
  background-color: var(--google-green-light);
  color: #137333;
}

.space-badge.private {
  background-color: #fce8e6;
  color: #c5221f;
}

.space-badge.approval {
  background-color: #e8f0fe;
  color: #1a73e8;
}

[data-theme="dark"] .space-badge.public {
  background-color: #137333;
  color: var(--google-green);
}

[data-theme="dark"] .space-badge.private {
  background-color: #c5221f;
  color: var(--google-red);
}

[data-theme="dark"] .space-badge.approval {
  background-color: #1a73e8;
  color: #8ab4f8;
}

.space-desc {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 2px;
}

.space-join-action {
  flex-shrink: 0;
}

.space-join-action button {
  font-size: 0.75rem;
  padding: 4px 10px;
}

/* Chat Panel */
.chat-panel {
  flex: 1;
  display: flex;
  flex-direction: column;
  background-color: var(--bg-surface);
  height: 100%;
  position: relative;
  transition: background-color var(--transition-normal);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  text-align: center;
  padding: 48px;
  background: radial-gradient(circle at center, var(--bg-surface) 0%, var(--bg-body) 100%);
}

.empty-state-logo {
  font-size: 6rem;
  margin-bottom: 16px;
}

.empty-state-title {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.empty-state-desc {
  color: var(--text-secondary);
  font-size: 1rem;
  max-width: 400px;
}

/* Active Space Header */
.chat-header {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background-color: var(--bg-surface);
  z-index: 5;
}

.chat-header-info {
  min-width: 0;
}

.chat-header-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.chat-header-name {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chat-header-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 4px;
}

.chat-header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.chat-header-actions .btn {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Messages Area */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  background-color: var(--bg-body);
  transition: background-color var(--transition-normal);
}

/* Thread Nesting Style */
.thread-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background-color: var(--bg-surface);
  border-radius: var(--radius-md);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.thread-replies {
  margin-left: 24px;
  border-left: 2px solid var(--border-color);
  padding-left: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 4px;
}

.message-node {
  display: flex;
  gap: 12px;
  position: relative;
}

.message-node:hover .message-actions {
  opacity: 1;
}

.message-bubble-wrapper {
  flex: 1;
  min-width: 0;
}

.message-header {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.message-author {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.message-time {
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.message-badge {
  font-size: 0.7rem;
  padding: 0px 6px;
  border-radius: 4px;
  font-weight: 500;
}

.message-badge.edited {
  background-color: var(--bg-surface-variant);
  color: var(--text-secondary);
}

.message-badge.private {
  background-color: #feefc3;
  color: #b06000;
}

[data-theme="dark"] .message-badge.private {
  background-color: #41331c;
  color: var(--google-yellow);
}

.message-body {
  font-size: 0.95rem;
  color: var(--text-primary);
  line-height: 1.5;
  word-break: break-word;
}

/* Markdown styling inside messages */
.message-body p {
  margin-bottom: 8px;
}
.message-body p:last-child {
  margin-bottom: 0;
}
.message-body strong {
  font-weight: 600;
}
.message-body pre {
  background-color: var(--bg-surface-variant);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  overflow-x: auto;
  font-family: monospace;
  font-size: 0.85rem;
  margin: 6px 0;
  border: 1px solid var(--border-color);
}
.message-body code {
  font-family: monospace;
  background-color: var(--bg-surface-variant);
  padding: 2px 4px;
  border-radius: 4px;
  font-size: 0.85rem;
}
.message-body pre code {
  padding: 0;
  background: none;
}
.message-body blockquote {
  border-left: 3px solid var(--google-blue);
  padding-left: 10px;
  margin: 6px 0;
  color: var(--text-secondary);
  font-style: italic;
}
.message-body img {
  max-width: 100%;
  max-height: 300px;
  border-radius: var(--radius-sm);
  margin-top: 8px;
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: transform var(--transition-fast);
}
.message-body img:hover {
  transform: scale(1.01);
}

.message-body a {
  color: var(--google-blue);
  text-decoration: none;
}
.message-body a:hover {
  text-decoration: underline;
}

/* Message Hover Actions */
.message-actions {
  position: absolute;
  right: 0;
  top: -8px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  display: flex;
  padding: 2px;
  box-shadow: var(--shadow-sm);
  opacity: 0;
  transition: opacity var(--transition-fast);
  z-index: 2;
}

.action-btn {
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  color: var(--text-secondary);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

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

.action-btn.delete:hover {
  background-color: #fce8e6;
  color: var(--google-red);
}

/* Chat Input Bar */
.chat-input-area {
  padding: 16px 24px;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 5;
}

.input-options {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.input-toggles {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.toggle-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
}

.toggle-wrapper input {
  cursor: pointer;
}

.private-recipient-selector {
  display: none;
  align-items: center;
  gap: 6px;
}

.private-recipient-selector.active {
  display: inline-flex;
}

.custom-select-container {
  position: relative;
  width: 200px;
}

.recipient-search-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.recipient-search-input {
  width: 100%;
  padding: 6px 28px 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-surface);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.recipient-search-input:focus {
  border-color: var(--google-blue);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.15);
}

.dropdown-arrow-icon {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--text-secondary);
  pointer-events: none;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.custom-select-container.open .dropdown-arrow-icon {
  transform: translateY(-50%) rotate(180deg);
}

.custom-select-options {
  position: absolute;
  bottom: 100%; /* Render upwards */
  left: 0;
  width: 100%;
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface);
  box-shadow: var(--shadow-md);
  z-index: 1000;
  margin-bottom: 6px;
  display: flex;
  flex-direction: column;
}

.custom-select-options.hidden {
  display: none;
}

.custom-select-option {
  padding: 8px 12px;
  font-size: 0.85rem;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background-color var(--transition-fast);
}

.custom-select-option:hover {
  background-color: var(--bg-surface-variant);
}

.custom-select-option.selected {
  background-color: var(--google-blue-light);
  font-weight: 600;
  color: var(--google-blue);
}

[data-theme="dark"] .custom-select-option.selected {
  background-color: var(--google-blue-light);
  color: var(--google-blue);
}

.custom-select-option.no-results {
  color: var(--text-secondary);
  font-style: italic;
  cursor: default;
  justify-content: center;
}

.custom-select-option.no-results:hover {
  background-color: transparent;
}

.recipient-avatar {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-family: var(--font-title);
  flex-shrink: 0;
  font-size: 0.75rem;
}

.recipient-name {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.chat-input-wrapper {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 12px;
  background-color: var(--bg-surface-variant);
  border-radius: var(--radius-lg);
  padding: 8px 16px;
  border: 1px solid transparent;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.chat-input-wrapper:focus-within {
  background-color: var(--bg-surface);
  border-color: var(--google-blue);
  box-shadow: 0 0 0 3px rgba(26, 115, 232, 0.1);
}

.chat-textarea {
  flex: 1;
  background: none;
  border: none;
  resize: none;
  outline: none;
  padding: 8px 0;
  max-height: 150px;
  min-height: 24px;
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.4;
}

.input-buttons {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-bottom: 4px;
}

.icon-button {
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.icon-button:hover {
  background-color: var(--border-color);
  color: var(--text-primary);
}

.icon-button.send-btn {
  background-color: var(--google-blue);
  color: white;
}

.icon-button.send-btn:hover {
  background-color: var(--google-blue-hover);
}

.input-hint-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--text-disabled);
}

/* Modals (Google Material Style) */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal {
  background-color: var(--bg-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: 100%;
  max-width: 450px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  transform: scale(0.9);
  transition: transform var(--transition-normal);
  text-align: left;
}

.modal-overlay.active .modal {
  transform: scale(1);
}

.modal-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 28px;
}

/* Quick Tooltips / Flash Notifications */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: #323133;
  color: #f5f5f7;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: 0.9rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

.toast-container.active {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* Light / Dark Mode Toggle Button */
.theme-toggle-btn {
  position: fixed;
  top: 16px;
  right: 24px;
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 101;
  transition: var(--transition-normal);
}

.theme-toggle-btn:hover {
  background-color: var(--bg-surface-variant);
  transform: scale(1.05);
}

/* Full Screen Image Lightbox */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.9);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  cursor: zoom-out;
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90%;
  max-height: 90%;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 30px rgba(0,0,0,0.5);
}

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

.flex-row {
  display: flex;
  gap: 12px;
}

.flex-row > * {
  flex: 1;
}

/* KChat Notifications & Requests styling */
.notification-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  background-color: var(--google-red);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  min-width: 16px;
  height: 16px;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 4px;
  border: 2px solid var(--bg-sidebar);
}

[data-theme="dark"] .notification-badge {
  border-color: var(--bg-sidebar);
}

.request-card {
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  background-color: var(--bg-surface-variant);
  transition: transform var(--transition-fast);
}

.request-card:hover {
  transform: translateY(-1px);
}

.read-only-banner {
  background-color: var(--bg-surface-variant);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin: 16px 24px;
  box-shadow: var(--shadow-sm);
}

.read-only-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
}