/**
 * WordPress Live Chat - Main Chat Widget Styles
 *
 * Modern, Twitch-inspired chat interface with light/dark theme support.
 * Mobile-first responsive design with accessibility considerations.
 *
 * @package WPLC
 * @version 1.0.0
 */

/* ==========================================================================
   CSS Custom Properties (Design Tokens)
   ========================================================================== */

:root,
.wplc-chat-widget {
  /* Primary Colors */
  --wplc-primary: #9147ff;
  --wplc-primary-hover: #772ce8;
  --wplc-primary-active: #5c16c5;
  --wplc-primary-rgb: 145, 71, 255;

  /* Secondary Colors */
  --wplc-secondary: #00b5ad;
  --wplc-secondary-hover: #009c95;

  /* Accent Colors */
  --wplc-accent-red: #eb0400;
  --wplc-accent-green: #00c853;
  --wplc-accent-yellow: #ffca28;
  --wplc-accent-blue: #1e88e5;

  /* Status Colors */
  --wplc-success: #00c853;
  --wplc-warning: #ff9800;
  --wplc-error: #eb0400;
  --wplc-info: #1e88e5;

  /* Spacing Scale */
  --wplc-space-xs: 4px;
  --wplc-space-sm: 8px;
  --wplc-space-md: 12px;
  --wplc-space-lg: 16px;
  --wplc-space-xl: 24px;
  --wplc-space-2xl: 32px;

  /* Typography */
  --wplc-font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --wplc-font-size-xs: 11px;
  --wplc-font-size-sm: 12px;
  --wplc-font-size-md: 13px;
  --wplc-font-size-lg: 14px;
  --wplc-font-size-xl: 16px;
  --wplc-font-weight-normal: 400;
  --wplc-font-weight-medium: 500;
  --wplc-font-weight-semibold: 600;
  --wplc-font-weight-bold: 700;
  --wplc-line-height: 1.5;

  /* Border Radius */
  --wplc-radius-sm: 4px;
  --wplc-radius-md: 6px;
  --wplc-radius-lg: 8px;
  --wplc-radius-xl: 12px;
  --wplc-radius-full: 9999px;

  /* Shadows */
  --wplc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --wplc-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --wplc-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
  --wplc-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2);

  /* Transitions */
  --wplc-transition-fast: 100ms ease;
  --wplc-transition-normal: 200ms ease;
  --wplc-transition-slow: 300ms ease;

  /* Z-Index Scale */
  --wplc-z-dropdown: 100;
  --wplc-z-sticky: 200;
  --wplc-z-modal: 500;
  --wplc-z-popover: 600;
  --wplc-z-tooltip: 700;
  --wplc-z-chat-widget: 9999;

  /* Layout */
  --wplc-chat-width: 340px;
  --wplc-chat-height: 500px;
  --wplc-chat-max-height: 80vh;
  --wplc-header-height: 48px;
  --wplc-input-height: 80px;
  --wplc-user-list-width: 180px;
}

/* ==========================================================================
   Light Theme (Default)
   ========================================================================== */

.wplc-chat-widget,
.wplc-theme-light {
  /* Background Colors */
  --wplc-bg-primary: #ffffff;
  --wplc-bg-secondary: #f7f7f8;
  --wplc-bg-tertiary: #efeff1;
  --wplc-bg-hover: rgba(0, 0, 0, 0.05);
  --wplc-bg-active: rgba(0, 0, 0, 0.1);

  /* Text Colors */
  --wplc-text-primary: #0e0e10;
  --wplc-text-secondary: #53535f;
  --wplc-text-tertiary: #868691;
  --wplc-text-muted: #adadb8;
  --wplc-text-inverse: #ffffff;

  /* Border Colors */
  --wplc-border-color: #e5e5e5;
  --wplc-border-color-hover: #d4d4d4;
  --wplc-border-color-focus: var(--wplc-primary);

  /* Input Colors */
  --wplc-input-bg: #ffffff;
  --wplc-input-border: #d4d4d4;
  --wplc-input-placeholder: #868691;

  /* Message Colors */
  --wplc-message-bg: transparent;
  --wplc-message-bg-hover: rgba(0, 0, 0, 0.03);
  --wplc-message-bg-highlight: rgba(145, 71, 255, 0.1);
  --wplc-message-bg-own: rgba(145, 71, 255, 0.08);

  /* Scrollbar */
  --wplc-scrollbar-track: #f7f7f8;
  --wplc-scrollbar-thumb: #d4d4d4;
  --wplc-scrollbar-thumb-hover: #adadb8;
}

/* ==========================================================================
   Dark Theme
   ========================================================================== */

.wplc-theme-dark {
  /* Background Colors */
  --wplc-bg-primary: #18181b;
  --wplc-bg-secondary: #1f1f23;
  --wplc-bg-tertiary: #26262c;
  --wplc-bg-hover: rgba(255, 255, 255, 0.05);
  --wplc-bg-active: rgba(255, 255, 255, 0.1);

  /* Text Colors */
  --wplc-text-primary: #efeff1;
  --wplc-text-secondary: #adadb8;
  --wplc-text-tertiary: #868691;
  --wplc-text-muted: #53535f;
  --wplc-text-inverse: #0e0e10;

  /* Border Colors */
  --wplc-border-color: #3d3d42;
  --wplc-border-color-hover: #53535f;
  --wplc-border-color-focus: var(--wplc-primary);

  /* Input Colors */
  --wplc-input-bg: #26262c;
  --wplc-input-border: #3d3d42;
  --wplc-input-placeholder: #53535f;

  /* Message Colors */
  --wplc-message-bg: transparent;
  --wplc-message-bg-hover: rgba(255, 255, 255, 0.03);
  --wplc-message-bg-highlight: rgba(145, 71, 255, 0.15);
  --wplc-message-bg-own: rgba(145, 71, 255, 0.12);

  /* Scrollbar */
  --wplc-scrollbar-track: #1f1f23;
  --wplc-scrollbar-thumb: #3d3d42;
  --wplc-scrollbar-thumb-hover: #53535f;

  /* Adjusted Shadows for Dark */
  --wplc-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --wplc-shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --wplc-shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --wplc-shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Base Reset & Typography
   ========================================================================== */

.wplc-chat-widget {
  box-sizing: border-box;
  font-family: var(--wplc-font-family);
  font-size: var(--wplc-font-size-md);
  line-height: var(--wplc-line-height);
  color: var(--wplc-text-primary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.wplc-chat-widget *,
.wplc-chat-widget *::before,
.wplc-chat-widget *::after {
  box-sizing: inherit;
}

.wplc-chat-widget button {
  font-family: inherit;
  cursor: pointer;
}

.wplc-chat-widget input,
.wplc-chat-widget textarea {
  font-family: inherit;
}

/* ==========================================================================
   Chat Container
   ========================================================================== */

.wplc-chat-container {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  max-height: var(--wplc-chat-max-height);
  background-color: var(--wplc-bg-primary);
  border-radius: var(--wplc-radius-lg);
  overflow: hidden;
  box-shadow: var(--wplc-shadow-lg);
}

/* Embedded mode (in-page widget) */
.wplc-chat-container--embedded {
  width: var(--wplc-chat-width);
  height: var(--wplc-chat-height);
  border: 1px solid var(--wplc-border-color);
}

/* Fullscreen mode */
.wplc-chat-container--fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  max-height: 100%;
  border-radius: 0;
  z-index: var(--wplc-z-chat-widget);
}

/* Floating widget mode */
.wplc-chat-container--floating {
  position: fixed;
  bottom: var(--wplc-space-lg);
  right: var(--wplc-space-lg);
  width: var(--wplc-chat-width);
  height: var(--wplc-chat-height);
  z-index: var(--wplc-z-chat-widget);
}

/* ==========================================================================
   Chat Header
   ========================================================================== */

.wplc-chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--wplc-header-height);
  padding: 0 var(--wplc-space-md);
  background-color: var(--wplc-bg-secondary);
  border-bottom: 1px solid var(--wplc-border-color);
  flex-shrink: 0;
}

.wplc-chat-header__title {
  display: flex;
  align-items: center;
  gap: var(--wplc-space-sm);
  font-size: var(--wplc-font-size-lg);
  font-weight: var(--wplc-font-weight-semibold);
  color: var(--wplc-text-primary);
  margin: 0;
}

.wplc-chat-header__status {
  display: inline-flex;
  align-items: center;
  gap: var(--wplc-space-xs);
  font-size: var(--wplc-font-size-xs);
  font-weight: var(--wplc-font-weight-medium);
  color: var(--wplc-text-secondary);
}

.wplc-chat-header__status-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--wplc-radius-full);
  background-color: var(--wplc-text-muted);
}

.wplc-chat-header__status-dot--live {
  background-color: var(--wplc-accent-red);
  animation: wplc-pulse 2s ease-in-out infinite;
}

.wplc-chat-header__status-dot--online {
  background-color: var(--wplc-accent-green);
}

.wplc-chat-header__actions {
  display: flex;
  align-items: center;
  gap: var(--wplc-space-xs);
}

.wplc-chat-header__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--wplc-radius-sm);
  color: var(--wplc-text-secondary);
  transition: background-color var(--wplc-transition-fast),
              color var(--wplc-transition-fast);
}

.wplc-chat-header__btn:hover {
  background-color: var(--wplc-bg-hover);
  color: var(--wplc-text-primary);
}

.wplc-chat-header__btn:focus-visible {
  outline: 2px solid var(--wplc-primary);
  outline-offset: 2px;
}

.wplc-chat-header__btn svg {
  width: 18px;
  height: 18px;
}

/* ==========================================================================
   Chat Body (Message List + User List)
   ========================================================================== */

.wplc-chat-body {
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}

.wplc-chat-body--with-users {
  flex-direction: row;
}

/* ==========================================================================
   Message List
   ========================================================================== */

.wplc-message-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
  scroll-behavior: smooth;
  overscroll-behavior: contain;
}

/* Custom Scrollbar */
.wplc-message-list::-webkit-scrollbar {
  width: 8px;
}

.wplc-message-list::-webkit-scrollbar-track {
  background: var(--wplc-scrollbar-track);
}

.wplc-message-list::-webkit-scrollbar-thumb {
  background: var(--wplc-scrollbar-thumb);
  border-radius: var(--wplc-radius-full);
}

.wplc-message-list::-webkit-scrollbar-thumb:hover {
  background: var(--wplc-scrollbar-thumb-hover);
}

/* Firefox Scrollbar */
.wplc-message-list {
  scrollbar-width: thin;
  scrollbar-color: var(--wplc-scrollbar-thumb) var(--wplc-scrollbar-track);
}

.wplc-message-list__content {
  display: flex;
  flex-direction: column;
  padding: var(--wplc-space-sm) 0;
}

/* Scroll to bottom button */
.wplc-scroll-to-bottom {
  position: absolute;
  bottom: calc(var(--wplc-input-height) + var(--wplc-space-md));
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: var(--wplc-space-xs);
  padding: var(--wplc-space-xs) var(--wplc-space-md);
  background-color: var(--wplc-primary);
  color: var(--wplc-text-inverse);
  border: none;
  border-radius: var(--wplc-radius-full);
  font-size: var(--wplc-font-size-sm);
  font-weight: var(--wplc-font-weight-medium);
  box-shadow: var(--wplc-shadow-md);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--wplc-transition-normal),
              visibility var(--wplc-transition-normal),
              transform var(--wplc-transition-normal);
  z-index: var(--wplc-z-sticky);
}

.wplc-scroll-to-bottom--visible {
  opacity: 1;
  visibility: visible;
}

.wplc-scroll-to-bottom:hover {
  transform: translateX(-50%) translateY(-2px);
  background-color: var(--wplc-primary-hover);
}

.wplc-scroll-to-bottom__count {
  background-color: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: var(--wplc-radius-full);
  font-size: var(--wplc-font-size-xs);
}

/* ==========================================================================
   Message Item
   ========================================================================== */

.wplc-message {
  display: flex;
  flex-direction: column;
  padding: var(--wplc-space-xs) var(--wplc-space-lg);
  background-color: var(--wplc-message-bg);
  transition: background-color var(--wplc-transition-fast);
}

.wplc-message:hover {
  background-color: var(--wplc-message-bg-hover);
}

.wplc-message--highlight {
  background-color: var(--wplc-message-bg-highlight);
}

.wplc-message--own {
  background-color: var(--wplc-message-bg-own);
}

.wplc-message--system {
  padding: var(--wplc-space-sm) var(--wplc-space-lg);
  text-align: center;
}

.wplc-message--deleted {
  opacity: 0.5;
}

.wplc-message--entering {
  animation: wplc-message-enter 0.2s ease-out;
}

/* Message Header (Username + Badges + Timestamp) */
.wplc-message__header {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--wplc-space-xs);
  margin-bottom: 2px;
}

.wplc-message__badges {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.wplc-message__badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--wplc-radius-sm);
  font-size: 10px;
  font-weight: var(--wplc-font-weight-bold);
  color: var(--wplc-text-inverse);
}

.wplc-message__badge--moderator {
  background-color: #00ad03;
}

.wplc-message__badge--vip {
  background-color: #e005b9;
}

.wplc-message__badge--subscriber {
  background-color: var(--wplc-primary);
}

.wplc-message__badge--broadcaster {
  background-color: var(--wplc-accent-red);
}

.wplc-message__badge img {
  width: 18px;
  height: 18px;
}

.wplc-message__username {
  font-size: var(--wplc-font-size-md);
  font-weight: var(--wplc-font-weight-semibold);
  color: var(--wplc-primary);
  cursor: pointer;
}

.wplc-message__username:hover {
  text-decoration: underline;
}

/* User-specific colors */
.wplc-message__username[data-color] {
  color: var(--username-color, var(--wplc-primary));
}

.wplc-message__timestamp {
  font-size: var(--wplc-font-size-xs);
  color: var(--wplc-text-muted);
  margin-left: auto;
  opacity: 0;
  transition: opacity var(--wplc-transition-fast);
}

.wplc-message:hover .wplc-message__timestamp {
  opacity: 1;
}

/* Message Body */
.wplc-message__body {
  font-size: var(--wplc-font-size-md);
  color: var(--wplc-text-primary);
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Inline message format (username: message) */
.wplc-message--inline .wplc-message__body {
  display: inline;
}

.wplc-message--inline .wplc-message__username::after {
  content: ': ';
}

/* System messages */
.wplc-message__system-text {
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-tertiary);
  font-style: italic;
}

/* Deleted message placeholder */
.wplc-message__deleted-text {
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-muted);
  font-style: italic;
}

/* Emotes */
.wplc-message__emote {
  display: inline-block;
  vertical-align: middle;
  width: 28px;
  height: 28px;
  margin: -4px 2px;
}

.wplc-message__emote--small {
  width: 20px;
  height: 20px;
}

.wplc-message__emote--large {
  width: 56px;
  height: 56px;
  margin: var(--wplc-space-xs);
}

/* Links in messages */
.wplc-message__link {
  color: var(--wplc-secondary);
  text-decoration: none;
  word-break: break-all;
}

.wplc-message__link:hover {
  text-decoration: underline;
}

/* Mentions */
.wplc-message__mention {
  background-color: rgba(var(--wplc-primary-rgb), 0.2);
  color: var(--wplc-primary);
  padding: 1px 4px;
  border-radius: var(--wplc-radius-sm);
  font-weight: var(--wplc-font-weight-medium);
}

/* Message Actions (shown on hover) */
.wplc-message__actions {
  position: absolute;
  top: var(--wplc-space-xs);
  right: var(--wplc-space-sm);
  display: flex;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--wplc-transition-fast),
              visibility var(--wplc-transition-fast);
}

.wplc-message:hover .wplc-message__actions {
  opacity: 1;
  visibility: visible;
}

.wplc-message__action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background-color: var(--wplc-bg-secondary);
  border: 1px solid var(--wplc-border-color);
  border-radius: var(--wplc-radius-sm);
  color: var(--wplc-text-secondary);
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast),
              color var(--wplc-transition-fast);
}

.wplc-message__action-btn:hover {
  background-color: var(--wplc-bg-tertiary);
  color: var(--wplc-text-primary);
}

.wplc-message__action-btn--danger:hover {
  background-color: var(--wplc-accent-red);
  color: var(--wplc-text-inverse);
  border-color: var(--wplc-accent-red);
}

.wplc-message__action-btn svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   User List (Sidebar)
   ========================================================================== */

.wplc-user-list {
  width: var(--wplc-user-list-width);
  background-color: var(--wplc-bg-secondary);
  border-left: 1px solid var(--wplc-border-color);
  overflow-y: auto;
  flex-shrink: 0;
}

.wplc-user-list::-webkit-scrollbar {
  width: 6px;
}

.wplc-user-list::-webkit-scrollbar-track {
  background: transparent;
}

.wplc-user-list::-webkit-scrollbar-thumb {
  background: var(--wplc-scrollbar-thumb);
  border-radius: var(--wplc-radius-full);
}

.wplc-user-list__header {
  position: sticky;
  top: 0;
  padding: var(--wplc-space-md);
  background-color: var(--wplc-bg-secondary);
  border-bottom: 1px solid var(--wplc-border-color);
  font-size: var(--wplc-font-size-sm);
  font-weight: var(--wplc-font-weight-semibold);
  color: var(--wplc-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: var(--wplc-z-sticky);
}

.wplc-user-list__count {
  font-weight: var(--wplc-font-weight-normal);
  color: var(--wplc-text-muted);
  margin-left: var(--wplc-space-xs);
}

.wplc-user-list__section {
  padding: var(--wplc-space-sm) 0;
}

.wplc-user-list__section-title {
  padding: var(--wplc-space-xs) var(--wplc-space-md);
  font-size: var(--wplc-font-size-xs);
  font-weight: var(--wplc-font-weight-semibold);
  color: var(--wplc-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.wplc-user-list__item {
  display: flex;
  align-items: center;
  gap: var(--wplc-space-sm);
  padding: var(--wplc-space-xs) var(--wplc-space-md);
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-secondary);
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast);
}

.wplc-user-list__item:hover {
  background-color: var(--wplc-bg-hover);
  color: var(--wplc-text-primary);
}

.wplc-user-list__item-badge {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.wplc-user-list__item-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ==========================================================================
   Input Area
   ========================================================================== */

.wplc-input-area {
  display: flex;
  flex-direction: column;
  padding: var(--wplc-space-md);
  background-color: var(--wplc-bg-secondary);
  border-top: 1px solid var(--wplc-border-color);
  flex-shrink: 0;
}

.wplc-input-area--disabled {
  opacity: 0.6;
  pointer-events: none;
}

/* Input wrapper */
.wplc-input-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--wplc-space-sm);
}

/* Text input container */
.wplc-input-container {
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: var(--wplc-space-sm);
}

.wplc-input {
  flex: 1;
  min-height: 40px;
  max-height: 120px;
  padding: var(--wplc-space-sm) var(--wplc-space-md);
  padding-right: 80px;
  background-color: var(--wplc-input-bg);
  border: 2px solid var(--wplc-input-border);
  border-radius: var(--wplc-radius-md);
  font-size: var(--wplc-font-size-md);
  color: var(--wplc-text-primary);
  resize: none;
  outline: none;
  transition: border-color var(--wplc-transition-fast),
              box-shadow var(--wplc-transition-fast);
}

.wplc-input::placeholder {
  color: var(--wplc-input-placeholder);
}

.wplc-input:focus {
  border-color: var(--wplc-primary);
  box-shadow: 0 0 0 3px rgba(var(--wplc-primary-rgb), 0.15);
}

.wplc-input:disabled {
  background-color: var(--wplc-bg-tertiary);
  cursor: not-allowed;
}

/* Input actions (emote button, send) */
.wplc-input-actions {
  position: absolute;
  right: var(--wplc-space-sm);
  bottom: var(--wplc-space-sm);
  display: flex;
  align-items: center;
  gap: var(--wplc-space-xs);
}

.wplc-input-action-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  background: transparent;
  border: none;
  border-radius: var(--wplc-radius-sm);
  color: var(--wplc-text-tertiary);
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast),
              color var(--wplc-transition-fast);
}

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

.wplc-input-action-btn:focus-visible {
  outline: 2px solid var(--wplc-primary);
  outline-offset: 2px;
}

.wplc-input-action-btn svg {
  width: 20px;
  height: 20px;
}

/* Send button */
.wplc-send-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--wplc-space-sm) var(--wplc-space-md);
  background-color: var(--wplc-primary);
  color: var(--wplc-text-inverse);
  border: none;
  border-radius: var(--wplc-radius-md);
  font-size: var(--wplc-font-size-md);
  font-weight: var(--wplc-font-weight-semibold);
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast),
              transform var(--wplc-transition-fast);
}

.wplc-send-btn:hover {
  background-color: var(--wplc-primary-hover);
}

.wplc-send-btn:active {
  background-color: var(--wplc-primary-active);
  transform: scale(0.98);
}

.wplc-send-btn:disabled {
  background-color: var(--wplc-text-muted);
  cursor: not-allowed;
}

.wplc-send-btn svg {
  width: 18px;
  height: 18px;
}

/* Character counter */
.wplc-char-counter {
  font-size: var(--wplc-font-size-xs);
  color: var(--wplc-text-muted);
  text-align: right;
}

.wplc-char-counter--warning {
  color: var(--wplc-warning);
}

.wplc-char-counter--error {
  color: var(--wplc-error);
}

/* ==========================================================================
   Chat Modes (Slow mode, Sub-only, etc.)
   ========================================================================== */

.wplc-chat-mode-notice {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--wplc-space-sm);
  padding: var(--wplc-space-sm) var(--wplc-space-md);
  background-color: var(--wplc-bg-tertiary);
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-secondary);
  border-radius: var(--wplc-radius-sm);
  margin-bottom: var(--wplc-space-sm);
}

.wplc-chat-mode-notice svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* Slow mode countdown */
.wplc-slow-mode-timer {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  padding: 2px var(--wplc-space-sm);
  background-color: var(--wplc-primary);
  color: var(--wplc-text-inverse);
  border-radius: var(--wplc-radius-full);
  font-size: var(--wplc-font-size-xs);
  font-weight: var(--wplc-font-weight-semibold);
  font-variant-numeric: tabular-nums;
}

/* ==========================================================================
   Emote Picker
   ========================================================================== */

.wplc-emote-picker {
  position: absolute;
  bottom: 100%;
  right: 0;
  width: 320px;
  max-height: 400px;
  margin-bottom: var(--wplc-space-sm);
  background-color: var(--wplc-bg-primary);
  border: 1px solid var(--wplc-border-color);
  border-radius: var(--wplc-radius-lg);
  box-shadow: var(--wplc-shadow-lg);
  overflow: hidden;
  z-index: var(--wplc-z-popover);
}

.wplc-emote-picker__header {
  display: flex;
  align-items: center;
  padding: var(--wplc-space-sm) var(--wplc-space-md);
  background-color: var(--wplc-bg-secondary);
  border-bottom: 1px solid var(--wplc-border-color);
}

.wplc-emote-picker__search {
  flex: 1;
  padding: var(--wplc-space-sm);
  background-color: var(--wplc-input-bg);
  border: 1px solid var(--wplc-input-border);
  border-radius: var(--wplc-radius-sm);
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-primary);
  outline: none;
}

.wplc-emote-picker__search:focus {
  border-color: var(--wplc-primary);
}

.wplc-emote-picker__tabs {
  display: flex;
  padding: var(--wplc-space-xs) var(--wplc-space-sm);
  gap: var(--wplc-space-xs);
  background-color: var(--wplc-bg-secondary);
  border-bottom: 1px solid var(--wplc-border-color);
  overflow-x: auto;
}

.wplc-emote-picker__tab {
  padding: var(--wplc-space-xs) var(--wplc-space-sm);
  background: transparent;
  border: none;
  border-radius: var(--wplc-radius-sm);
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-secondary);
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast),
              color var(--wplc-transition-fast);
}

.wplc-emote-picker__tab:hover {
  background-color: var(--wplc-bg-hover);
}

.wplc-emote-picker__tab--active {
  background-color: var(--wplc-primary);
  color: var(--wplc-text-inverse);
}

.wplc-emote-picker__content {
  display: flex;
  flex-wrap: wrap;
  gap: var(--wplc-space-xs);
  padding: var(--wplc-space-md);
  max-height: 280px;
  overflow-y: auto;
}

.wplc-emote-picker__emote {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: var(--wplc-space-xs);
  background: transparent;
  border: none;
  border-radius: var(--wplc-radius-sm);
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast),
              transform var(--wplc-transition-fast);
}

.wplc-emote-picker__emote:hover {
  background-color: var(--wplc-bg-hover);
  transform: scale(1.1);
}

.wplc-emote-picker__emote img {
  max-width: 100%;
  max-height: 100%;
}

/* ==========================================================================
   User Card (Popover)
   ========================================================================== */

.wplc-user-card {
  position: absolute;
  width: 280px;
  background-color: var(--wplc-bg-primary);
  border: 1px solid var(--wplc-border-color);
  border-radius: var(--wplc-radius-lg);
  box-shadow: var(--wplc-shadow-lg);
  overflow: hidden;
  z-index: var(--wplc-z-popover);
}

.wplc-user-card__header {
  display: flex;
  align-items: center;
  gap: var(--wplc-space-md);
  padding: var(--wplc-space-lg);
  background-color: var(--wplc-bg-secondary);
}

.wplc-user-card__avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--wplc-radius-full);
  background-color: var(--wplc-bg-tertiary);
  overflow: hidden;
}

.wplc-user-card__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.wplc-user-card__info {
  flex: 1;
  min-width: 0;
}

.wplc-user-card__name {
  font-size: var(--wplc-font-size-lg);
  font-weight: var(--wplc-font-weight-semibold);
  color: var(--wplc-text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.wplc-user-card__badges {
  display: flex;
  gap: var(--wplc-space-xs);
  margin-top: var(--wplc-space-xs);
}

.wplc-user-card__body {
  padding: var(--wplc-space-md);
}

.wplc-user-card__stats {
  display: flex;
  gap: var(--wplc-space-lg);
  margin-bottom: var(--wplc-space-md);
}

.wplc-user-card__stat {
  text-align: center;
}

.wplc-user-card__stat-value {
  font-size: var(--wplc-font-size-xl);
  font-weight: var(--wplc-font-weight-bold);
  color: var(--wplc-text-primary);
}

.wplc-user-card__stat-label {
  font-size: var(--wplc-font-size-xs);
  color: var(--wplc-text-tertiary);
}

.wplc-user-card__actions {
  display: flex;
  flex-direction: column;
  gap: var(--wplc-space-sm);
}

.wplc-user-card__action-row {
  display: flex;
  gap: var(--wplc-space-sm);
}

.wplc-user-card__action-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--wplc-space-xs);
  padding: var(--wplc-space-sm);
  background-color: var(--wplc-bg-tertiary);
  border: none;
  border-radius: var(--wplc-radius-sm);
  font-size: var(--wplc-font-size-sm);
  font-weight: var(--wplc-font-weight-medium);
  color: var(--wplc-text-primary);
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast);
}

.wplc-user-card__action-btn:hover {
  background-color: var(--wplc-bg-hover);
}

.wplc-user-card__action-btn--danger {
  color: var(--wplc-error);
}

.wplc-user-card__action-btn--danger:hover {
  background-color: var(--wplc-error);
  color: var(--wplc-text-inverse);
}

.wplc-user-card__action-btn svg {
  width: 16px;
  height: 16px;
}

/* ==========================================================================
   Loading States
   ========================================================================== */

.wplc-loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--wplc-space-2xl);
  color: var(--wplc-text-secondary);
}

.wplc-loading__spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--wplc-border-color);
  border-top-color: var(--wplc-primary);
  border-radius: var(--wplc-radius-full);
  animation: wplc-spin 0.8s linear infinite;
}

.wplc-loading__text {
  margin-top: var(--wplc-space-md);
  font-size: var(--wplc-font-size-sm);
}

/* Skeleton loading for messages */
.wplc-skeleton-message {
  display: flex;
  flex-direction: column;
  gap: var(--wplc-space-sm);
  padding: var(--wplc-space-sm) var(--wplc-space-lg);
}

.wplc-skeleton-line {
  height: 14px;
  background: linear-gradient(
    90deg,
    var(--wplc-bg-tertiary) 25%,
    var(--wplc-bg-secondary) 50%,
    var(--wplc-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  border-radius: var(--wplc-radius-sm);
  animation: wplc-shimmer 1.5s ease-in-out infinite;
}

.wplc-skeleton-line--short {
  width: 40%;
}

.wplc-skeleton-line--medium {
  width: 70%;
}

.wplc-skeleton-line--long {
  width: 90%;
}

/* ==========================================================================
   Error States
   ========================================================================== */

.wplc-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--wplc-space-2xl);
  text-align: center;
}

.wplc-error__icon {
  width: 48px;
  height: 48px;
  color: var(--wplc-error);
  margin-bottom: var(--wplc-space-md);
}

.wplc-error__title {
  font-size: var(--wplc-font-size-lg);
  font-weight: var(--wplc-font-weight-semibold);
  color: var(--wplc-text-primary);
  margin: 0 0 var(--wplc-space-sm);
}

.wplc-error__message {
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-secondary);
  margin: 0 0 var(--wplc-space-lg);
}

.wplc-error__retry-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--wplc-space-sm);
  padding: var(--wplc-space-sm) var(--wplc-space-lg);
  background-color: var(--wplc-primary);
  color: var(--wplc-text-inverse);
  border: none;
  border-radius: var(--wplc-radius-md);
  font-size: var(--wplc-font-size-md);
  font-weight: var(--wplc-font-weight-medium);
  cursor: pointer;
  transition: background-color var(--wplc-transition-fast);
}

.wplc-error__retry-btn:hover {
  background-color: var(--wplc-primary-hover);
}

/* Connection status bar */
.wplc-connection-status {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--wplc-space-sm);
  padding: var(--wplc-space-sm);
  font-size: var(--wplc-font-size-sm);
  font-weight: var(--wplc-font-weight-medium);
}

.wplc-connection-status--connecting {
  background-color: var(--wplc-warning);
  color: #000;
}

.wplc-connection-status--disconnected {
  background-color: var(--wplc-error);
  color: var(--wplc-text-inverse);
}

.wplc-connection-status--reconnecting {
  background-color: var(--wplc-info);
  color: var(--wplc-text-inverse);
}

/* ==========================================================================
   Empty State
   ========================================================================== */

.wplc-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--wplc-space-2xl);
  text-align: center;
  color: var(--wplc-text-tertiary);
}

.wplc-empty-state__icon {
  width: 64px;
  height: 64px;
  margin-bottom: var(--wplc-space-md);
  opacity: 0.5;
}

.wplc-empty-state__title {
  font-size: var(--wplc-font-size-lg);
  font-weight: var(--wplc-font-weight-medium);
  color: var(--wplc-text-secondary);
  margin: 0 0 var(--wplc-space-sm);
}

.wplc-empty-state__message {
  font-size: var(--wplc-font-size-sm);
  color: var(--wplc-text-tertiary);
  margin: 0;
}

/* ==========================================================================
   Animations
   ========================================================================== */

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

@keyframes wplc-shimmer {
  0% {
    background-position: -200% 0;
  }
  100% {
    background-position: 200% 0;
  }
}

@keyframes wplc-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes wplc-message-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes wplc-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes wplc-slide-up {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes wplc-bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-4px);
  }
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

.wplc-sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.wplc-hidden {
  display: none !important;
}

.wplc-visible {
  display: block !important;
}

.wplc-fade-enter {
  animation: wplc-fade-in var(--wplc-transition-normal);
}

.wplc-slide-enter {
  animation: wplc-slide-up var(--wplc-transition-slow);
}

/* ==========================================================================
   Responsive Styles
   ========================================================================== */

/* Mobile-first breakpoints */

/* Small devices (phones, less than 576px) */
@media (max-width: 575.98px) {
  .wplc-chat-container--floating {
    bottom: 0;
    right: 0;
    left: 0;
    width: 100%;
    height: 60vh;
    border-radius: var(--wplc-radius-lg) var(--wplc-radius-lg) 0 0;
  }

  .wplc-user-list {
    display: none;
  }

  .wplc-emote-picker {
    left: var(--wplc-space-sm);
    right: var(--wplc-space-sm);
    width: auto;
  }

  .wplc-user-card {
    left: var(--wplc-space-sm);
    right: var(--wplc-space-sm);
    width: auto;
  }
}

/* Medium devices (tablets, 576px and up) */
@media (min-width: 576px) {
  :root {
    --wplc-chat-width: 360px;
    --wplc-chat-height: 520px;
  }
}

/* Large devices (desktops, 992px and up) */
@media (min-width: 992px) {
  :root {
    --wplc-chat-width: 380px;
    --wplc-chat-height: 560px;
  }

  .wplc-message__timestamp {
    opacity: 0.5;
  }
}

/* Extra large devices (large desktops, 1200px and up) */
@media (min-width: 1200px) {
  :root {
    --wplc-chat-width: 400px;
    --wplc-chat-height: 600px;
  }
}

/* High DPI / Retina displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .wplc-message__emote,
  .wplc-emote-picker__emote img {
    image-rendering: -webkit-optimize-contrast;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .wplc-chat-widget,
  .wplc-chat-widget * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .wplc-message-list {
    scroll-behavior: auto;
  }
}

/* Print styles */
@media print {
  .wplc-chat-widget {
    display: none !important;
  }
}

/* ==========================================================================
   Focus Visible Styles (Accessibility)
   ========================================================================== */

.wplc-chat-widget :focus-visible {
  outline: 2px solid var(--wplc-primary);
  outline-offset: 2px;
}

.wplc-chat-widget :focus:not(:focus-visible) {
  outline: none;
}

.wplc-chat-widget wplc-chat,
.wplc-chat-widget wplc-chat:focus,
.wplc-chat-widget wplc-chat:focus-visible,
.wplc-chat-widget wplc-chat:focus-within {
  outline: none !important;
  border: none !important;
  box-shadow: none !important;
}

/* ==========================================================================
   High Contrast Mode Support
   ========================================================================== */

@media (prefers-contrast: high) {
  .wplc-chat-widget {
    --wplc-border-color: currentColor;
    --wplc-text-secondary: var(--wplc-text-primary);
    --wplc-text-tertiary: var(--wplc-text-primary);
  }

  .wplc-message__badge,
  .wplc-send-btn,
  .wplc-primary-btn {
    border: 2px solid currentColor;
  }
}