/* ============================================
   WhatsApp Business Web Clone - CSS Styles
   Complete styling for WhatsApp Web 2024 clone
   ============================================ */

/* CSS Variables for Light/Dark Mode */
:root {
    /* Primary Colors */
    --wa-primary: #25D366;
    --wa-primary-dark: #075E54;
    --wa-primary-darker: #054640;
    --wa-teal: #00a884;
    --wa-teal-dark: #008069;
    
    /* Light Theme (default) */
    --wa-bg-main: #f0f2f5;
    --wa-bg-sidebar: #ffffff;
    --wa-bg-chat: #efeae2;
    --wa-bg-chat-pattern: rgba(0, 0, 0, 0.05);
    --wa-bg-bubble-incoming: #ffffff;
    --wa-bg-bubble-outgoing: #d9fdd3;
    --wa-bg-input: #ffffff;
    --wa-bg-header: #f0f2f5;
    --wa-bg-hover: rgba(0, 0, 0, 0.05);
    --wa-bg-selected: #f0f2f5;
    --wa-bg-dropdown: #ffffff;
    --wa-bg-modal: #ffffff;
    --wa-bg-card: #ffffff;
    
    /* Text Colors */
    --wa-text-primary: #111b21;
    --wa-text-secondary: #667781;
    --wa-text-muted: #8696a0;
    --wa-text-bubble: #111b21;
    --wa-text-timestamp: #667781;
    --wa-text-link: #027eb5;
    
    /* Border Colors */
    --wa-border: #e9edef;
    --wa-border-light: rgba(0, 0, 0, 0.08);
    --wa-divider: #d1d7db;
    
    /* Shadows */
    --wa-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --wa-shadow-md: 0 2px 5px rgba(0, 0, 0, 0.1);
    --wa-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
    --wa-shadow-dropdown: 0 2px 5px 0 rgba(0, 0, 0, 0.26), 0 2px 10px 0 rgba(0, 0, 0, 0.16);
    
    /* Glass Effect */
    --wa-glass-bg: rgba(255, 255, 255, 0.7);
    --wa-glass-border: rgba(255, 255, 255, 0.3);
    --wa-glass-blur: blur(10px);
    
    /* Scrollbar */
    --wa-scrollbar-bg: transparent;
    --wa-scrollbar-thumb: rgba(0, 0, 0, 0.2);
    
    /* Check marks */
    --wa-check-sent: #8696a0;
    --wa-check-delivered: #8696a0;
    --wa-check-read: #53bdeb;
    
    /* Status Colors */
    --wa-success: #25D366;
    --wa-warning: #ffc107;
    --wa-danger: #dc3545;
    --wa-info: #0dcaf0;
    
    /* Spacing */
    --wa-spacing-xs: 4px;
    --wa-spacing-sm: 8px;
    --wa-spacing-md: 16px;
    --wa-spacing-lg: 24px;
    --wa-spacing-xl: 32px;
    
    /* Border Radius */
    --wa-radius-sm: 4px;
    --wa-radius-md: 8px;
    --wa-radius-lg: 12px;
    --wa-radius-xl: 18px;
    --wa-radius-full: 50%;
    
    /* Sidebar Width */
    --wa-sidebar-width: 400px;
    --wa-contact-panel-width: 340px;
    
    /* Animation */
    --wa-transition-fast: 150ms ease;
    --wa-transition-normal: 300ms ease;
    --wa-transition-slow: 500ms ease;
}

/* Dark Theme */
[data-theme="dark"], .wa-dark {
    --wa-bg-main: #111b21;
    --wa-bg-sidebar: #111b21;
    --wa-bg-chat: #0b141a;
    --wa-bg-chat-pattern: rgba(255, 255, 255, 0.02);
    --wa-bg-bubble-incoming: #202c33;
    --wa-bg-bubble-outgoing: #005c4b;
    --wa-bg-input: #202c33;
    --wa-bg-header: #202c33;
    --wa-bg-hover: rgba(255, 255, 255, 0.05);
    --wa-bg-selected: #2a3942;
    --wa-bg-dropdown: #233138;
    --wa-bg-modal: #3b4a54;
    --wa-bg-card: #202c33;
    
    --wa-text-primary: #e9edef;
    --wa-text-secondary: #8696a0;
    --wa-text-muted: #667781;
    --wa-text-bubble: #e9edef;
    --wa-text-timestamp: rgba(255, 255, 255, 0.6);
    --wa-text-link: #53bdeb;
    
    --wa-border: #2a3942;
    --wa-border-light: rgba(255, 255, 255, 0.08);
    --wa-divider: #3b4a54;
    
    --wa-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.2);
    --wa-shadow-md: 0 2px 5px rgba(0, 0, 0, 0.3);
    --wa-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.4);
    
    --wa-glass-bg: rgba(32, 44, 51, 0.8);
    --wa-glass-border: rgba(255, 255, 255, 0.1);
    
    --wa-scrollbar-thumb: rgba(255, 255, 255, 0.2);
}

/* ============================================
   Base Styles
   ============================================ */

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

html, body {
    width: 100%;
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Segoe UI', 'Helvetica Neue', Helvetica, 'Lucida Grande', Arial, Ubuntu, Cantarell, 'Fira Sans', sans-serif;
    font-size: 15px;
    line-height: 1.4;
    color: var(--wa-text-primary);
    background: var(--wa-bg-main);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-tap-highlight-color: transparent;
}

/* ============================================
   Main Layout - 3 Column
   ============================================ */

.wa-app {
    display: flex;
    height: 100vh;
    width: 100%;
    background: var(--wa-bg-main);
}

/* Desktop container with max-width */
.wa-app-container {
    display: flex;
    height: 100vh;
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    background: var(--wa-bg-main);
}

/* Outer wrapper for centering on large screens */
.wa-outer {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, var(--wa-primary-dark) 0%, var(--wa-primary-dark) 127px, var(--wa-bg-main) 127px);
}

.wa-inner {
    position: absolute;
    top: 19px;
    left: 0;
    right: 0;
    bottom: 19px;
    display: flex;
    justify-content: center;
}

.wa-wrapper {
    display: flex;
    width: 100%;
    max-width: 1600px;
    height: 100%;
    background: var(--wa-bg-sidebar);
    box-shadow: var(--wa-shadow-lg);
    overflow: hidden;
}

/* ============================================
   Left Sidebar - Conversations List
   ============================================ */

.wa-sidebar {
    width: var(--wa-sidebar-width);
    min-width: var(--wa-sidebar-width);
    max-width: var(--wa-sidebar-width);
    background: var(--wa-bg-sidebar);
    border-right: 1px solid var(--wa-border);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.wa-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--wa-bg-header);
    height: 60px;
    flex-shrink: 0;
}

.wa-sidebar-header .wa-user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--wa-radius-full);
    background: var(--wa-teal);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: transform var(--wa-transition-fast);
}

.wa-sidebar-header .wa-user-avatar:hover {
    transform: scale(1.05);
}

.wa-sidebar-header .wa-user-avatar img {
    width: 100%;
    height: 100%;
    border-radius: var(--wa-radius-full);
    object-fit: cover;
}

.wa-sidebar-header .wa-user-avatar i {
    color: white;
    font-size: 20px;
}

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

.wa-icon-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--wa-radius-full);
    border: none;
    background: transparent;
    color: var(--wa-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--wa-transition-fast);
}

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

.wa-icon-btn i {
    font-size: 20px;
}

/* Search Bar */
.wa-search-container {
    padding: var(--wa-spacing-sm) var(--wa-spacing-md);
    background: var(--wa-bg-sidebar);
}

.wa-search-box {
    display: flex;
    align-items: center;
    background: var(--wa-bg-input);
    border-radius: var(--wa-radius-md);
    padding: 7px 12px;
    gap: 20px;
    border: 1px solid var(--wa-border);
    transition: all var(--wa-transition-fast);
}

.wa-search-box:focus-within {
    border-color: var(--wa-teal);
    box-shadow: 0 0 0 1px var(--wa-teal);
}

.wa-search-box i {
    color: var(--wa-text-muted);
    font-size: 14px;
    transition: color var(--wa-transition-fast);
}

.wa-search-box:focus-within i {
    color: var(--wa-teal);
}

.wa-search-box input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--wa-text-primary);
    font-size: 15px;
    outline: none;
}

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

/* Filter Tabs */
.wa-filter-tabs {
    display: flex;
    padding: 0 var(--wa-spacing-md);
    gap: 10px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    background: var(--wa-bg-sidebar);
    border-bottom: 1px solid var(--wa-border);
}

.wa-filter-tabs::-webkit-scrollbar {
    display: none;
}

.wa-filter-tab {
    padding: 10px 12px;
    font-size: 14px;
    color: var(--wa-text-muted);
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--wa-transition-fast);
}

.wa-filter-tab:hover {
    color: var(--wa-text-primary);
}

.wa-filter-tab.active {
    color: var(--wa-teal);
    border-bottom-color: var(--wa-teal);
}

/* Conversations List */
.wa-conversations {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.wa-conversations::-webkit-scrollbar {
    width: 6px;
}

.wa-conversations::-webkit-scrollbar-track {
    background: transparent;
}

.wa-conversations::-webkit-scrollbar-thumb {
    background: var(--wa-scrollbar-thumb);
    border-radius: 3px;
}

.wa-conversation-item {
    display: flex;
    align-items: center;
    padding: 12px 15px;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid var(--wa-border-light);
    transition: background var(--wa-transition-fast);
    position: relative;
}

.wa-conversation-item:hover {
    background: var(--wa-bg-hover);
}

.wa-conversation-item.active {
    background: var(--wa-bg-selected);
}

.wa-conversation-item.unread {
    background: var(--wa-bg-sidebar);
}

/* Avatar */
.wa-avatar {
    width: 49px;
    height: 49px;
    border-radius: var(--wa-radius-full);
    background: linear-gradient(135deg, var(--wa-teal), var(--wa-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    font-weight: 500;
    flex-shrink: 0;
    margin-right: 15px;
    position: relative;
    overflow: hidden;
}

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

.wa-avatar .wa-avatar-initials {
    text-transform: uppercase;
}

.wa-avatar.online::after {
    content: '';
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    background: var(--wa-primary);
    border: 2px solid var(--wa-bg-sidebar);
    border-radius: var(--wa-radius-full);
}

/* Conversation Info */
.wa-conversation-info {
    flex: 1;
    min-width: 0;
}

.wa-conversation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2px;
}

.wa-conversation-name {
    font-size: 16px;
    color: var(--wa-text-primary);
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.wa-conversation-time {
    font-size: 12px;
    color: var(--wa-text-muted);
    flex-shrink: 0;
    margin-left: 6px;
}

.wa-conversation-item.unread .wa-conversation-time {
    color: var(--wa-teal);
}

.wa-conversation-preview {
    display: flex;
    align-items: center;
    gap: 3px;
    color: var(--wa-text-secondary);
    font-size: 14px;
}

.wa-conversation-preview i {
    color: var(--wa-check-read);
    font-size: 16px;
}

.wa-conversation-preview-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.wa-conversation-item.unread .wa-conversation-preview-text {
    color: var(--wa-text-primary);
    font-weight: 500;
}

/* Unread Badge */
.wa-unread-badge {
    background: var(--wa-teal);
    color: white;
    border-radius: var(--wa-radius-full);
    min-width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    padding: 0 6px;
    margin-left: 10px;
}

/* Pinned Indicator */
.wa-pin-indicator {
    color: var(--wa-text-muted);
    font-size: 12px;
    margin-left: 6px;
}

/* Empty State */
.wa-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 40px;
    text-align: center;
    color: var(--wa-text-muted);
}

.wa-empty-state i:first-child {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
    color: var(--wa-text-muted);
}

.wa-empty-state h3 {
    color: var(--wa-text-primary);
    font-weight: 400;
    margin-bottom: 10px;
}

.wa-empty-state p {
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 20px;
}

/* Empty state button - modern rectangular style */
.wa-empty-state .wa-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: var(--wa-radius-md);
    font-size: 15px;
    font-weight: 500;
}

/* ============================================
   Center Panel - Chat View
   ============================================ */

.wa-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--wa-bg-chat);
    position: relative;
    overflow: hidden;
}

/* Chat Header */
.wa-chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: var(--wa-bg-header);
    border-bottom: 1px solid var(--wa-border);
    height: 60px;
    flex-shrink: 0;
}

.wa-chat-header-left {
    display: flex;
    align-items: center;
    gap: 15px;
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.wa-back-btn {
    display: none;
    color: var(--wa-text-secondary);
    font-size: 24px;
    cursor: pointer;
    text-decoration: none;
    margin-right: 10px;
}

.wa-back-btn:hover {
    color: var(--wa-text-primary);
}

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

.wa-chat-contact-name {
    font-size: 16px;
    color: var(--wa-text-primary);
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wa-chat-contact-status {
    font-size: 13px;
    color: var(--wa-text-muted);
}

.wa-chat-contact-status.online {
    color: var(--wa-teal);
}

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

/* Messages Area */
.wa-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 20px 8%;
    background: var(--wa-bg-chat);
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23000000' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

[data-theme="dark"] .wa-messages {
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.wa-messages::-webkit-scrollbar {
    width: 6px;
}

.wa-messages::-webkit-scrollbar-thumb {
    background: var(--wa-scrollbar-thumb);
    border-radius: 3px;
}

/* Date Separator */
.wa-date-separator {
    display: flex;
    justify-content: center;
    margin: 20px 0;
}

.wa-date-separator span {
    background: var(--wa-bg-bubble-incoming);
    color: var(--wa-text-muted);
    padding: 5px 12px;
    border-radius: 7.5px;
    font-size: 12.5px;
    box-shadow: var(--wa-shadow-sm);
}

/* System Message */
.wa-system-message {
    display: flex;
    justify-content: center;
    margin: 16px 0;
}

.wa-system-message span {
    background: rgba(255, 230, 160, 0.9);
    color: #54656f;
    padding: 6px 12px;
    border-radius: 7.5px;
    font-size: 12.5px;
    box-shadow: var(--wa-shadow-sm);
}

[data-theme="dark"] .wa-system-message span {
    background: rgba(255, 230, 160, 0.15);
    color: #ffeea0;
}

/* Message Bubble */
.wa-message {
    display: flex;
    margin-bottom: 4px;
    padding: 0 5%;
    animation: wa-message-slide 0.3s ease-out;
}

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

.wa-message.incoming {
    justify-content: flex-start;
}

.wa-message.outgoing {
    justify-content: flex-end;
}

.wa-message-bubble {
    position: relative;
    padding: 6px 7px 8px 9px;
    border-radius: 7.5px;
    max-width: 65%;
    min-width: 80px;
    word-wrap: break-word;
    box-shadow: var(--wa-shadow-sm);
}

.wa-message.incoming .wa-message-bubble {
    background: var(--wa-bg-bubble-incoming);
    color: var(--wa-text-bubble);
    border-top-left-radius: 0;
}

.wa-message.outgoing .wa-message-bubble {
    background: var(--wa-bg-bubble-outgoing);
    color: var(--wa-text-bubble);
    border-top-right-radius: 0;
}

/* Message tail (triangle) */
.wa-message.incoming .wa-message-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    left: -8px;
    border-width: 0 8px 8px 0;
    border-style: solid;
    border-color: transparent var(--wa-bg-bubble-incoming) transparent transparent;
}

.wa-message.outgoing .wa-message-bubble::before {
    content: '';
    position: absolute;
    top: 0;
    right: -8px;
    border-width: 8px 8px 0 0;
    border-style: solid;
    border-color: var(--wa-bg-bubble-outgoing) transparent transparent transparent;
}

.wa-message-content {
    font-size: 14.2px;
    line-height: 19px;
    white-space: pre-wrap;
}

.wa-message-content a {
    color: var(--wa-text-link);
    text-decoration: none;
}

.wa-message-content a:hover {
    text-decoration: underline;
}

.wa-message-meta {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 4px;
    margin-top: 2px;
    float: right;
    margin-left: 10px;
    margin-bottom: -4px;
}

.wa-message-time {
    font-size: 11px;
    color: var(--wa-text-timestamp);
}

.wa-message.outgoing .wa-message-time {
    color: rgba(255, 255, 255, 0.6);
}

/* Read Receipts - Double Check */
.wa-message-status {
    display: flex;
    align-items: center;
    color: var(--wa-check-sent);
}

.wa-message-status i {
    font-size: 16px;
}

.wa-message-status.delivered i {
    color: var(--wa-check-delivered);
}

.wa-message-status.read i {
    color: var(--wa-check-read);
}

/* Media Messages */
.wa-message-media {
    border-radius: 6px;
    overflow: hidden;
    margin-bottom: 4px;
    max-width: 330px;
}

.wa-message-media img {
    width: 100%;
    height: auto;
    display: block;
}

.wa-message-media video {
    width: 100%;
    height: auto;
    display: block;
}

.wa-message-document {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--wa-bg-hover);
    border-radius: 6px;
    min-width: 250px;
}

.wa-message-document-icon {
    width: 40px;
    height: 48px;
    background: var(--wa-primary);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.wa-message-document-info {
    flex: 1;
    min-width: 0;
}

.wa-message-document-name {
    font-size: 14px;
    color: var(--wa-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.wa-message-document-size {
    font-size: 12px;
    color: var(--wa-text-muted);
}

/* Audio Message */
.wa-message-audio {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 250px;
}

.wa-audio-play-btn {
    width: 34px;
    height: 34px;
    border-radius: var(--wa-radius-full);
    background: var(--wa-teal);
    border: none;
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.wa-audio-waveform {
    flex: 1;
    height: 30px;
    display: flex;
    align-items: center;
    gap: 2px;
}

.wa-audio-waveform span {
    width: 3px;
    height: 100%;
    background: var(--wa-text-muted);
    border-radius: 2px;
    transform-origin: bottom;
    animation: wa-waveform 0.5s ease infinite alternate;
}

@keyframes wa-waveform {
    0% { transform: scaleY(0.3); }
    100% { transform: scaleY(1); }
}

.wa-audio-duration {
    font-size: 11px;
    color: var(--wa-text-muted);
}

/* Template Message */
.wa-message-template {
    border: 1px solid var(--wa-border);
    border-radius: 6px;
    overflow: hidden;
}

.wa-message-template-header {
    padding: 10px 12px;
    background: var(--wa-bg-hover);
    font-weight: 500;
    font-size: 14px;
}

.wa-message-template-body {
    padding: 10px 12px;
}

.wa-message-template-footer {
    padding: 8px 12px;
    font-size: 12px;
    color: var(--wa-text-muted);
    border-top: 1px solid var(--wa-border);
}

.wa-message-template-buttons {
    border-top: 1px solid var(--wa-border);
}

.wa-message-template-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px;
    color: var(--wa-text-link);
    font-size: 14px;
    cursor: pointer;
    border-top: 1px solid var(--wa-border);
}

.wa-message-template-btn:first-child {
    border-top: none;
}

.wa-message-template-btn:hover {
    background: var(--wa-bg-hover);
}

/* Typing Indicator */
.wa-typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
}

.wa-typing-indicator span {
    width: 8px;
    height: 8px;
    background: var(--wa-text-muted);
    border-radius: var(--wa-radius-full);
    animation: wa-typing 1.4s infinite ease-in-out;
}

.wa-typing-indicator span:nth-child(1) { animation-delay: 0s; }
.wa-typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.wa-typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

@keyframes wa-typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-5px);
        opacity: 1;
    }
}

/* Message Input Area */
.wa-input-area {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    padding: 10px 16px;
    background: var(--wa-bg-header);
    border-top: 1px solid var(--wa-border);
}

.wa-emoji-btn, .wa-attach-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--wa-radius-full);
    border: none;
    background: transparent;
    color: var(--wa-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--wa-transition-fast);
    flex-shrink: 0;
}

.wa-emoji-btn:hover, .wa-attach-btn:hover {
    color: var(--wa-text-primary);
}

.wa-emoji-btn i, .wa-attach-btn i {
    font-size: 24px;
}

.wa-input-container {
    flex: 1;
    display: flex;
    align-items: flex-end;
    background: var(--wa-bg-input);
    border-radius: var(--wa-radius-md);
    border: 1px solid var(--wa-border);
    overflow: hidden;
}

.wa-input-container textarea {
    flex: 1;
    border: none;
    background: transparent;
    padding: 10px 12px;
    color: var(--wa-text-primary);
    font-size: 15px;
    line-height: 1.4;
    resize: none;
    outline: none;
    max-height: 150px;
    min-height: 40px;
    font-family: inherit;
}

.wa-input-container textarea::placeholder {
    color: var(--wa-text-muted);
}

.wa-send-btn, .wa-voice-btn {
    width: 50px;
    height: 50px;
    border-radius: var(--wa-radius-full);
    border: none;
    background: var(--wa-teal);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--wa-transition-fast);
    flex-shrink: 0;
}

.wa-send-btn:hover, .wa-voice-btn:hover {
    background: var(--wa-teal-dark);
    transform: scale(1.05);
}

.wa-send-btn:active, .wa-voice-btn:active {
    transform: scale(0.95);
}

.wa-send-btn i, .wa-voice-btn i {
    font-size: 22px;
}

/* ============================================
   Right Sidebar - Contact Details
   ============================================ */

.wa-contact-panel {
    width: var(--wa-contact-panel-width);
    min-width: var(--wa-contact-panel-width);
    background: var(--wa-bg-sidebar);
    border-left: 1px solid var(--wa-border);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.wa-contact-panel-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 16px;
    background: var(--wa-bg-header);
    border-bottom: 1px solid var(--wa-border);
    height: 60px;
}

.wa-contact-panel-header h3 {
    font-size: 16px;
    font-weight: 500;
    color: var(--wa-text-primary);
}

.wa-contact-panel-close {
    color: var(--wa-text-secondary);
    font-size: 24px;
    cursor: pointer;
}

.wa-contact-panel-close:hover {
    color: var(--wa-text-primary);
}

.wa-contact-panel-content {
    flex: 1;
    overflow-y: auto;
}

.wa-contact-panel-content::-webkit-scrollbar {
    width: 6px;
}

.wa-contact-panel-content::-webkit-scrollbar-thumb {
    background: var(--wa-scrollbar-thumb);
    border-radius: 3px;
}

.wa-contact-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 28px 24px;
    background: var(--wa-bg-header);
}

.wa-contact-profile .wa-avatar {
    width: 200px;
    height: 200px;
    font-size: 72px;
    margin-bottom: 16px;
}

.wa-contact-profile-name {
    font-size: 20px;
    color: var(--wa-text-primary);
    margin-bottom: 4px;
}

.wa-contact-profile-phone {
    font-size: 14px;
    color: var(--wa-text-secondary);
}

.wa-contact-section {
    padding: 16px 24px;
    border-bottom: 8px solid var(--wa-border);
}

.wa-contact-section-title {
    font-size: 14px;
    color: var(--wa-teal);
    margin-bottom: 12px;
}

.wa-contact-section-content {
    font-size: 14px;
    color: var(--wa-text-primary);
}

.wa-contact-action {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 16px 24px;
    cursor: pointer;
    color: var(--wa-text-primary);
    transition: background var(--wa-transition-fast);
}

.wa-contact-action:hover {
    background: var(--wa-bg-hover);
}

.wa-contact-action i {
    font-size: 22px;
    color: var(--wa-text-secondary);
    width: 24px;
    text-align: center;
}

.wa-contact-action.danger {
    color: #e74c3c;
}

.wa-contact-action.danger i {
    color: #e74c3c;
}

/* Shared Media Grid */
.wa-shared-media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
}

.wa-shared-media-item {
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 4px;
}

.wa-shared-media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    cursor: pointer;
    transition: transform var(--wa-transition-fast);
}

.wa-shared-media-item img:hover {
    transform: scale(1.05);
}

/* ============================================
   Welcome Screen
   ============================================ */

.wa-welcome-screen {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--wa-bg-sidebar);
    text-align: center;
    padding: 40px;
}

.wa-welcome-screen img {
    width: 320px;
    max-width: 100%;
    margin-bottom: 40px;
    opacity: 0.8;
}

.wa-welcome-screen h2 {
    font-size: 32px;
    font-weight: 300;
    color: var(--wa-text-primary);
    margin-bottom: 16px;
}

.wa-welcome-screen p {
    font-size: 14px;
    color: var(--wa-text-muted);
    line-height: 1.5;
    max-width: 500px;
}

.wa-welcome-footer {
    position: absolute;
    bottom: 40px;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--wa-text-muted);
}

.wa-welcome-footer i {
    color: var(--wa-text-muted);
}

/* ============================================
   Floating Action Button
   ============================================ */

.wa-fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: var(--wa-radius-full);
    background: var(--wa-teal);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--wa-shadow-lg);
    transition: all var(--wa-transition-fast);
    z-index: 100;
}

.wa-fab:hover {
    background: var(--wa-teal-dark);
    transform: scale(1.1);
}

.wa-fab i {
    font-size: 24px;
}

/* ============================================
   Dropdown Menu
   ============================================ */

.wa-dropdown {
    position: relative;
}

.wa-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--wa-bg-dropdown);
    border-radius: var(--wa-radius-sm);
    box-shadow: var(--wa-shadow-dropdown);
    min-width: 200px;
    z-index: 1000;
    display: none;
    overflow: hidden;
}

.wa-dropdown-menu.show {
    display: block;
    animation: wa-dropdown-fade 0.2s ease;
}

@keyframes wa-dropdown-fade {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.wa-dropdown-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 24px;
    color: var(--wa-text-primary);
    text-decoration: none;
    cursor: pointer;
    transition: background var(--wa-transition-fast);
}

.wa-dropdown-item:hover {
    background: var(--wa-bg-hover);
}

.wa-dropdown-item i {
    font-size: 18px;
    color: var(--wa-text-secondary);
    width: 20px;
}

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

/* ============================================
   Modal / Dialog
   ============================================ */

.wa-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--wa-transition-normal);
}

.wa-modal-overlay.show {
    opacity: 1;
    visibility: visible;
}

.wa-modal {
    background: var(--wa-bg-modal);
    border-radius: var(--wa-radius-sm);
    box-shadow: var(--wa-shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    transform: scale(0.9);
    transition: transform var(--wa-transition-normal);
}

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

.wa-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--wa-primary-dark);
    color: white;
}

.wa-modal-header h3 {
    font-size: 18px;
    font-weight: 500;
}

.wa-modal-close {
    color: white;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.8;
    transition: opacity var(--wa-transition-fast);
}

.wa-modal-close:hover {
    opacity: 1;
}

.wa-modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: 60vh;
}

.wa-modal-footer {
    padding: 16px 24px;
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    border-top: 1px solid var(--wa-border);
}

/* ============================================
   Buttons
   ============================================ */

.wa-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 24px;
    border-radius: var(--wa-radius-md);
    border: none;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--wa-transition-fast);
    text-decoration: none;
}

.wa-btn-primary {
    background: var(--wa-teal);
    color: white;
}

.wa-btn-primary:hover {
    background: var(--wa-teal-dark);
    transform: translateY(-1px);
    box-shadow: var(--wa-shadow-md);
}

.wa-btn-secondary {
    background: transparent;
    color: var(--wa-teal);
    border: 1px solid var(--wa-teal);
}

.wa-btn-secondary:hover {
    background: var(--wa-teal);
    color: white;
}

.wa-btn-ghost {
    background: transparent;
    color: var(--wa-text-primary);
}

.wa-btn-ghost:hover {
    background: var(--wa-bg-hover);
}

.wa-btn-danger {
    background: var(--wa-danger);
    color: white;
}

.wa-btn-danger:hover {
    background: #c82333;
}

/* ============================================
   Cards
   ============================================ */

.wa-card {
    background: var(--wa-bg-card);
    border-radius: var(--wa-radius-md);
    box-shadow: var(--wa-shadow-sm);
    overflow: hidden;
}

.wa-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--wa-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wa-card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--wa-text-primary);
}

.wa-card-body {
    padding: 20px;
}

.wa-card-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--wa-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
}

/* ============================================
   Template Cards
   ============================================ */

.wa-template-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.wa-template-card {
    background: var(--wa-bg-card);
    border-radius: var(--wa-radius-md);
    box-shadow: var(--wa-shadow-sm);
    overflow: hidden;
    transition: all var(--wa-transition-fast);
}

.wa-template-card:hover {
    box-shadow: var(--wa-shadow-md);
    transform: translateY(-2px);
}

.wa-template-card-header {
    padding: 16px;
    border-bottom: 1px solid var(--wa-border);
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}

.wa-template-card-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--wa-text-primary);
    margin-bottom: 4px;
}

.wa-template-card-category {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--wa-radius-full);
    background: var(--wa-bg-hover);
    color: var(--wa-text-secondary);
}

.wa-template-card-category.marketing {
    background: rgba(37, 211, 102, 0.1);
    color: var(--wa-primary);
}

.wa-template-card-category.utility {
    background: rgba(0, 168, 132, 0.1);
    color: var(--wa-teal);
}

.wa-template-card-category.authentication {
    background: rgba(220, 53, 69, 0.1);
    color: var(--wa-danger);
}

.wa-template-card-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 8px;
    font-size: 11px;
    font-weight: 500;
    border-radius: var(--wa-radius-sm);
}

.wa-template-card-status.approved {
    background: rgba(37, 211, 102, 0.1);
    color: var(--wa-success);
}

.wa-template-card-status.pending {
    background: rgba(255, 193, 7, 0.1);
    color: var(--wa-warning);
}

.wa-template-card-status.rejected {
    background: rgba(220, 53, 69, 0.1);
    color: var(--wa-danger);
}

.wa-template-card-body {
    padding: 16px;
}

.wa-template-preview {
    background: var(--wa-bg-hover);
    border-radius: var(--wa-radius-sm);
    padding: 12px;
    font-size: 14px;
    color: var(--wa-text-primary);
    line-height: 1.5;
}

.wa-template-preview-header {
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--wa-border);
}

.wa-template-preview-footer {
    margin-top: 8px;
    padding-top: 8px;
    border-top: 1px solid var(--wa-border);
    font-size: 12px;
    color: var(--wa-text-muted);
}

.wa-template-card-footer {
    padding: 12px 16px;
    border-top: 1px solid var(--wa-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wa-template-card-stats {
    font-size: 12px;
    color: var(--wa-text-muted);
}

.wa-template-card-actions {
    display: flex;
    gap: 8px;
}

/* ============================================
   Form Elements
   ============================================ */

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

.wa-form-label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--wa-text-primary);
    margin-bottom: 8px;
}

.wa-form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--wa-border);
    border-radius: var(--wa-radius-md);
    background: var(--wa-bg-input);
    color: var(--wa-text-primary);
    font-size: 15px;
    transition: all var(--wa-transition-fast);
}

.wa-form-input:focus {
    outline: none;
    border-color: var(--wa-teal);
    box-shadow: 0 0 0 1px var(--wa-teal);
}

.wa-form-input::placeholder {
    color: var(--wa-text-muted);
}

.wa-form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--wa-border);
    border-radius: var(--wa-radius-md);
    background: var(--wa-bg-input);
    color: var(--wa-text-primary);
    font-size: 15px;
    resize: vertical;
    min-height: 100px;
    font-family: inherit;
    transition: all var(--wa-transition-fast);
}

.wa-form-textarea:focus {
    outline: none;
    border-color: var(--wa-teal);
    box-shadow: 0 0 0 1px var(--wa-teal);
}

.wa-form-select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--wa-border);
    border-radius: var(--wa-radius-md);
    background: var(--wa-bg-input);
    color: var(--wa-text-primary);
    font-size: 15px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667781' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    transition: all var(--wa-transition-fast);
}

.wa-form-select:focus {
    outline: none;
    border-color: var(--wa-teal);
    box-shadow: 0 0 0 1px var(--wa-teal);
}

.wa-form-hint {
    font-size: 12px;
    color: var(--wa-text-muted);
    margin-top: 6px;
}

.wa-form-error {
    font-size: 12px;
    color: var(--wa-danger);
    margin-top: 6px;
}

/* ============================================
   Settings
   ============================================ */

.wa-settings-section {
    padding: 20px 24px;
    border-bottom: 1px solid var(--wa-border);
}

.wa-settings-section-title {
    font-size: 14px;
    color: var(--wa-teal);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.wa-settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 0;
}

.wa-settings-item-label {
    display: flex;
    align-items: center;
    gap: 16px;
}

.wa-settings-item-label i {
    font-size: 22px;
    color: var(--wa-text-secondary);
    width: 24px;
    text-align: center;
}

.wa-settings-item-text {
    font-size: 15px;
    color: var(--wa-text-primary);
}

.wa-settings-item-desc {
    font-size: 13px;
    color: var(--wa-text-muted);
}

/* Toggle Switch */
.wa-toggle {
    position: relative;
    width: 52px;
    height: 28px;
    cursor: pointer;
}

.wa-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.wa-toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--wa-border);
    border-radius: 14px;
    transition: all var(--wa-transition-fast);
}

.wa-toggle-slider::before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: var(--wa-radius-full);
    transition: all var(--wa-transition-fast);
    box-shadow: var(--wa-shadow-sm);
}

.wa-toggle input:checked + .wa-toggle-slider {
    background: var(--wa-teal);
}

.wa-toggle input:checked + .wa-toggle-slider::before {
    transform: translateX(24px);
}

/* ============================================
   Toast Notifications
   ============================================ */

.wa-toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.wa-toast {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    background: var(--wa-bg-dropdown);
    border-radius: var(--wa-radius-md);
    box-shadow: var(--wa-shadow-lg);
    animation: wa-toast-slide 0.3s ease;
}

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

.wa-toast-icon {
    width: 24px;
    height: 24px;
    border-radius: var(--wa-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.wa-toast-icon.success {
    background: var(--wa-success);
    color: white;
}

.wa-toast-icon.error {
    background: var(--wa-danger);
    color: white;
}

.wa-toast-icon.warning {
    background: var(--wa-warning);
    color: white;
}

.wa-toast-message {
    font-size: 14px;
    color: var(--wa-text-primary);
}

.wa-toast-close {
    color: var(--wa-text-muted);
    cursor: pointer;
    font-size: 16px;
    margin-left: auto;
}

/* ============================================
   Skeleton Loading
   ============================================ */

.wa-skeleton {
    background: linear-gradient(90deg, var(--wa-bg-hover) 25%, var(--wa-border) 50%, var(--wa-bg-hover) 75%);
    background-size: 200% 100%;
    animation: wa-skeleton-loading 1.5s infinite;
    border-radius: var(--wa-radius-sm);
}

@keyframes wa-skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

.wa-skeleton-avatar {
    width: 49px;
    height: 49px;
    border-radius: var(--wa-radius-full);
}

.wa-skeleton-text {
    height: 14px;
    border-radius: 3px;
}

.wa-skeleton-text.short {
    width: 60%;
}

.wa-skeleton-text.medium {
    width: 80%;
}

.wa-skeleton-text.full {
    width: 100%;
}

/* ============================================
   Badges
   ============================================ */

.wa-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: var(--wa-radius-full);
    text-transform: uppercase;
}

.wa-badge-success {
    background: rgba(37, 211, 102, 0.1);
    color: var(--wa-success);
}

.wa-badge-warning {
    background: rgba(255, 193, 7, 0.1);
    color: var(--wa-warning);
}

.wa-badge-danger {
    background: rgba(220, 53, 69, 0.1);
    color: var(--wa-danger);
}

.wa-badge-info {
    background: rgba(0, 168, 132, 0.1);
    color: var(--wa-teal);
}

/* ============================================
   Labels / Tags
   ============================================ */

.wa-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    font-size: 12px;
    border-radius: var(--wa-radius-sm);
    background: var(--wa-bg-hover);
    color: var(--wa-text-secondary);
}

.wa-label.customer { background: #e3f2fd; color: #1976d2; }
.wa-label.vip { background: #fff3e0; color: #f57c00; }
.wa-label.new { background: #e8f5e9; color: #388e3c; }
.wa-label.important { background: #fce4ec; color: #c2185b; }

/* ============================================
   Responsive Design
   ============================================ */

/* Tablet */
@media (max-width: 1024px) {
    .wa-sidebar {
        width: 350px;
        min-width: 350px;
    }
    
    .wa-contact-panel {
        display: none;
    }
    
    .wa-messages {
        padding: 20px 5%;
    }
}

/* Mobile */
@media (max-width: 768px) {
    .wa-outer {
        background: var(--wa-bg-main);
    }
    
    .wa-inner {
        top: 0;
        bottom: 0;
    }
    
    .wa-wrapper {
        flex-direction: column;
    }
    
    .wa-sidebar {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
    }
    
    .wa-main {
        display: none;
    }
    
    .wa-main.active {
        display: flex;
        position: absolute;
        inset: 0;
        z-index: 10;
    }
    
    .wa-back-btn {
        display: flex;
    }
    
    .wa-message-bubble {
        max-width: 85%;
    }
    
    .wa-messages {
        padding: 15px 3%;
    }
    
    .wa-input-area {
        padding: 8px 10px;
    }
    
    .wa-fab {
        bottom: 90px;
    }
    
    .wa-template-grid {
        grid-template-columns: 1fr;
    }
}

/* Small Mobile */
@media (max-width: 400px) {
    .wa-sidebar-header h1 {
        font-size: 16px;
    }
    
    .wa-header-actions {
        gap: 4px;
    }
    
    .wa-icon-btn {
        width: 36px;
        height: 36px;
    }
    
    .wa-conversation-item {
        padding: 10px 12px;
    }
    
    .wa-avatar {
        width: 45px;
        height: 45px;
        margin-right: 12px;
    }
}

/* ============================================
   Print Styles
   ============================================ */

@media print {
    .wa-sidebar,
    .wa-contact-panel,
    .wa-input-area,
    .wa-fab {
        display: none !important;
    }
    
    .wa-main {
        position: static;
        width: 100%;
    }
    
    .wa-messages {
        overflow: visible;
        max-height: none;
    }
}

/* ============================================
   Accessibility
   ============================================ */

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--wa-teal);
    outline-offset: 2px;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --wa-border: #000000;
        --wa-text-primary: #000000;
        --wa-text-secondary: #333333;
    }
}

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

.wa-hidden { display: none !important; }
.wa-visible { display: block !important; }
.wa-flex { display: flex !important; }
.wa-grid { display: grid !important; }

.wa-text-center { text-align: center; }
.wa-text-left { text-align: left; }
.wa-text-right { text-align: right; }

.wa-mt-1 { margin-top: var(--wa-spacing-sm); }
.wa-mt-2 { margin-top: var(--wa-spacing-md); }
.wa-mt-3 { margin-top: var(--wa-spacing-lg); }

.wa-mb-1 { margin-bottom: var(--wa-spacing-sm); }
.wa-mb-2 { margin-bottom: var(--wa-spacing-md); }
.wa-mb-3 { margin-bottom: var(--wa-spacing-lg); }

.wa-p-1 { padding: var(--wa-spacing-sm); }
.wa-p-2 { padding: var(--wa-spacing-md); }
.wa-p-3 { padding: var(--wa-spacing-lg); }

.wa-gap-1 { gap: var(--wa-spacing-sm); }
.wa-gap-2 { gap: var(--wa-spacing-md); }
.wa-gap-3 { gap: var(--wa-spacing-lg); }

/* ============================================
   Recording Animation
   ============================================ */

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.wa-recording-indicator {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--wa-bg-header);
    border-radius: var(--wa-radius-md);
    box-shadow: var(--wa-shadow-md);
}

.wa-recording-dot {
    width: 12px;
    height: 12px;
    background: var(--wa-danger);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

/* Search Highlight */
.wa-search-highlight {
    background: rgba(255, 193, 7, 0.4);
    border-radius: 2px;
    padding: 0 2px;
}

/* Modern Template Button in Chat */
.wa-template-quick-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 16px;
    background: var(--wa-bg-input);
    border: 1px solid var(--wa-border);
    border-radius: var(--wa-radius-full);
    color: var(--wa-text-primary);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--wa-transition-fast);
}

.wa-template-quick-btn:hover {
    background: var(--wa-bg-hover);
    border-color: var(--wa-teal);
}

.wa-template-quick-btn i {
    color: var(--wa-teal);
}

/* Modern Voice Button States */
.wa-voice-btn.recording {
    background: var(--wa-danger) !important;
    color: white !important;
    animation: pulse 1s infinite;
}

/* Image Preview Modal */
.wa-image-preview-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: flex;
    flex-direction: column;
    z-index: 1100;
}

.wa-image-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    color: white;
}

.wa-image-preview-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.wa-image-preview-content img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.wa-image-preview-footer {
    padding: 16px;
    display: flex;
    gap: 12px;
}

.wa-image-preview-footer input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--wa-radius-full);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 15px;
}

.wa-image-preview-footer input::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

/* Notification Badge Animation */
@keyframes notification-pop {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.wa-unread-badge {
    animation: notification-pop 0.3s ease;
}

/* Audio Waveform Animation */
@keyframes waveform {
    0%, 100% {
        height: 4px;
    }
    50% {
        height: 20px;
    }
}

.wa-audio-waveform span {
    display: inline-block;
    width: 3px;
    background: var(--wa-text-muted);
    border-radius: 3px;
    margin: 0 1px;
}

.wa-audio-waveform.playing span {
    animation: waveform 0.5s ease infinite;
}

/* File Upload Progress */
.wa-upload-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 3px;
    background: var(--wa-teal);
    transition: width 0.3s ease;
}