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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* Customer Chat Styles */
.chat-container {
    max-width: 400px;
    margin: 50px auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    height: 600px; 
    min-height: 600px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 100px);
}

/* Desktop specific styles - ensure proper sizing */
@media (min-width: 769px) {
    .chat-container {
        height: 600px !important;
        min-height: 600px !important;
        max-height: calc(100vh - 100px) !important;
        position: relative !important;
        margin: 50px auto !important;
        width: 400px !important;
        max-width: 400px !important;
        overflow: hidden !important;
    }
    
    .chat-container.customer-chat {
        height: 600px !important;
        min-height: 600px !important;
    }
    
    /* Ensure chatInterface takes available space */
    #chatInterface {
        flex: 1 !important;
        min-height: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        overflow: hidden !important;
    }
    
    .chat-window {
        flex: 1 !important;
        min-height: 0 !important;
        max-height: none !important;
        overflow: hidden !important;
        display: flex !important;
        flex-direction: column !important;
    }
    
    .messages-container {
        flex: 1 !important;
        min-height: 0 !important;
        max-height: none !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
    }
    
    .quick-actions-toolbar {
        flex-shrink: 0 !important;
    }
    
    .chat-input-area {
        flex-shrink: 0 !important;
        min-height: auto !important;
        position: relative !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        height: auto !important;
        max-height: none !important;
        overflow: visible !important;
        z-index: 100 !important;
    }
    
    /* Ensure unified input container is visible */
    .unified-input-container {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
    }
    
    /* Ensure form is visible */
    #messageForm {
        display: flex !important;
        visibility: visible !important;
    }
    
    /* Prevent messages from pushing input out */
    .messages-container {
        max-height: calc(600px - 200px) !important;
    }
}

/* Iframe mode - full screen (only on mobile or when explicitly needed) */
@media (max-width: 768px) {
    body.iframe-mode .chat-container,
    html.iframe-mode .chat-container {
        max-width: 100% !important;
        width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important;
        margin: 0 !important;
        border-radius: 0 !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        box-shadow: none !important;
    }
    
    body.iframe-mode,
    html.iframe-mode {
        margin: 0 !important;
        padding: 0 !important;
        overflow: hidden !important;
        height: 100vh !important;
        height: 100dvh !important;
    }
}

/* Desktop iframe mode - maintain proper height */
@media (min-width: 769px) {
    body.iframe-mode .chat-container,
    html.iframe-mode .chat-container {
        max-width: 100% !important;
        width: 100% !important;
        height: 600px !important;
        min-height: 600px !important;
        margin: 0 !important;
        border-radius: 0 !important;
        position: relative !important;
        box-shadow: none !important;
    }
}

.chat-header {
    background: linear-gradient(135deg, var(--chat-primary-color, #667eea) 0%, var(--chat-primary-color-dark, #764ba2) 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 100%;
}

.btn-close-chat {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-close-chat:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

.btn-notification-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 32px;
    margin: 0;
    vertical-align: middle;
}

.btn-notification-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-1px);
}

.btn-notification-toggle:active {
    transform: scale(0.95);
}

.btn-notification-toggle i {
    transition: all 0.2s;
}

.btn-notification-toggle:hover i {
    transform: scale(1.1);
}

.chat-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.status-indicator {
    display: inline-flex;
    align-items: center;
    font-size: 14px;
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff4757;
    margin-right: 8px;
}

.status-indicator.online::before {
    background: #2ed573;
}

/* Start Chat Form */
.chat-start-form {
    padding: 30px;
    flex: 1;
    overflow-y: auto;
    min-height: 0;
}

.chat-start-form h4 {
    margin-bottom: 20px;
    color: #2c3e50;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #555;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e1e8ed;
    border-radius: 8px;
    font-size: 15px;
    transition: all 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: var(--chat-primary-color, #667eea);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* Chat Window */
.chat-window {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
}

.messages-container {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    overflow-x: hidden;
    background: #fafbfc;
    min-height: 0;
    -webkit-overflow-scrolling: touch;
}

.message {
    margin-bottom: 16px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    max-width: 85%;
}

.message.customer {
    align-self: flex-end;
    flex-direction: row-reverse;
    margin-left: auto;
    margin-right: 0;
}

.message.agent {
    align-self: flex-start;
    flex-direction: row;
    margin-left: 0;
    margin-right: auto;
}

.message.system {
    align-self: center;
    margin: 10px auto;
    text-align: center;
    max-width: 70%;
    justify-content: center;
}

.message.system p {
    background: #e8ecef;
    color: #666;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
}

/* Message content wrapper */
.message-content {
    flex: 0 1 auto;
    max-width: 70%;
    min-width: fit-content;
}

.message-bubble {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 18px;
    position: relative;
    word-wrap: break-word;
    width: fit-content;
}

.message.customer .message-bubble {
    background: var(--chat-primary-color, #667eea);
    color: white;
    border-bottom-right-radius: 4px;
}

.message.agent .message-bubble {
    background: #e8ecef;
    color: #333;
    border-bottom-left-radius: 4px;
}

.message-time {
    font-size: 11px;
    opacity: 0.8;
    margin-top: 4px;
    text-align: right;
    color: #666;
}

.message.customer .message-time {
    text-align: right;
    color: #666;
}

.message.agent .message-time {
    text-align: right;
    color: #666;
}

/* Typing Indicator */
.typing-indicator {
    padding: 0 20px 10px;
    display: flex;
    align-items: center;
}

.typing-indicator span {
    height: 8px;
    width: 8px;
    background: #999;
    border-radius: 50%;
    display: inline-block;
    margin-right: 5px;
    animation: typing 1.4s infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Chat Input */
.chat-input-area {
    padding: 8px;
    background: white;
    border-top: 1px solid #e1e8ed;
    flex-shrink: 0; /* Prevent input area from shrinking */
    position: relative;
    min-height: auto;
}

#messageForm {
    display: flex;
    gap: 0;
}

/* Unified Input Container */
.unified-input-container {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f0f0f0;
    border-radius: 24px;
    padding: 6px 8px;
    width: 100%;
}

/* Unified Message Input */
.unified-message-input {
    flex: 1;
    padding: 8px 12px;
    border: none;
    background: transparent;
    font-size: 15px;
    outline: none;
    color: #333;
    min-width: 0; /* Allow input to shrink */
}

.unified-message-input::placeholder {
    color: #999;
}

/* Input Buttons (Circular) */
.input-btn {
    width: 36px;
    height: 36px;
    border: 1px solid #d0d0d0;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    flex-shrink: 0;
    color: #333;
    font-size: 16px;
}

.input-btn:hover {
    background: #f5f5f5;
    border-color: #b0b0b0;
}

.input-btn:active {
    transform: scale(0.95);
}

.input-btn i {
    font-size: 16px;
    line-height: 1;
}

/* Send Button - Special styling */
.btn-send {
    background: var(--chat-primary-color, #667eea) !important;
    border-color: var(--chat-primary-color, #667eea) !important;
    color: white !important;
}

.btn-send:hover {
    background: var(--chat-primary-color-dark, #5a67d8) !important;
    border-color: var(--chat-primary-color-dark, #5a67d8) !important;
}

.btn-send i {
    color: white !important;
}

/* Plus Button Menu */
.plus-button-menu {
    position: absolute;
    bottom: 60px;
    left: 8px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 8px;
    z-index: 1000;
    min-width: 180px;
    animation: slideUp 0.2s ease;
}

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

.plus-button-menu .menu-item {
    width: 100%;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border: none;
    background: transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    color: #333;
    font-size: 14px;
}

.plus-button-menu .menu-item:hover {
    background: #f5f5f5;
}

.plus-button-menu .menu-item i {
    font-size: 18px;
    color: #666;
    width: 20px;
    text-align: center;
}

/* Emoji Picker */
.emoji-picker {
    position: absolute;
    bottom: 60px;
    right: 8px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    padding: 12px;
    z-index: 1000;
    width: 320px;
    max-height: 280px;
    animation: slideUp 0.2s ease;
}

.emoji-category {
    display: none;
}

.emoji-category.active {
    display: block;
}

.emoji-grid {
    display: grid;
    grid-template-columns: repeat(8, 1fr);
    gap: 4px;
    max-height: 240px;
    overflow-y: auto;
}

.emoji-item {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.2s;
    user-select: none;
}

.emoji-item:hover {
    background: #f0f0f0;
    transform: scale(1.1);
}

/* Responsive Design for Unified Input */
@media (max-width: 768px) {
    .unified-input-container {
        padding: 4px 6px;
        gap: 6px;
    }
    
    .input-btn {
        width: 32px;
        height: 32px;
        font-size: 14px;
    }
    
    .input-btn i {
        font-size: 14px;
    }
    
    .unified-message-input {
        padding: 6px 10px;
        font-size: 14px;
    }
    
    .emoji-picker {
        width: calc(100vw - 16px);
        max-width: 320px;
        right: 8px;
    }
    
    .plus-button-menu {
        left: 8px;
        right: 8px;
        width: auto;
        min-width: 160px;
    }
}

@media (max-width: 480px) {
    .unified-input-container {
        padding: 4px;
        gap: 4px;
    }
    
    .input-btn {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }
    
    .input-btn i {
        font-size: 12px;
    }
    
    .unified-message-input {
        padding: 6px 8px;
        font-size: 14px;
    }
    
    .emoji-picker {
        width: calc(100vw - 16px);
        max-height: 260px;
    }
    
    .emoji-grid {
        grid-template-columns: repeat(7, 1fr);
        gap: 2px;
    }
    
    .emoji-item {
        width: 32px;
        height: 32px;
        font-size: 18px;
    }
}

/* Legacy support - keep old input styles for backward compatibility */
#messageInput {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e1e8ed;
    border-radius: 25px;
    font-size: 15px;
    outline: none;
    transition: all 0.3s;
}

#messageInput:focus {
    border-color: var(--chat-primary-color, #667eea);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--chat-primary-color, #667eea) 0%, var(--chat-primary-color-dark, #764ba2) 100%);
    color: white;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.btn-send {
    background: var(--chat-primary-color, #667eea);
    color: white;
    padding: 12px 20px;
    border-radius: 25px;
}

.btn-send:hover {
    background: var(--chat-primary-color-dark, #5a67d8);
}

/* Admin Dashboard Styles */
.admin-dashboard {
    min-height: 100vh;
    background: #f5f7fa;
}

.dashboard-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.dashboard-header h2 {
    font-size: 24px;
    font-weight: 600;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-home {
    background: rgba(52, 152, 219, 0.8);
    color: white;
    padding: 8px 20px;
    font-size: 14px;
    margin-right: 10px;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.3s ease;
}

.btn-home:hover {
    background: rgba(52, 152, 219, 1);
}

.btn-logout {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 8px 20px;
    font-size: 14px;
}

.btn-logout:hover {
    background: rgba(255, 255, 255, 0.3);
}

.dashboard-content {
    display: flex;
    height: calc(100vh - 80px);
    max-height: calc(100vh - 80px); /* Ensure it doesn't exceed viewport */
    overflow: hidden; /* Prevent overflow */
}

/* Sessions Panel */
.sessions-panel {
    width: 350px;
    background: white;
    border-right: 1px solid #e1e8ed;
    overflow-y: auto;
}

.panel-section {
    border-bottom: 1px solid #e1e8ed;
}

.panel-section h3 {
    padding: 20px;
    font-size: 16px;
    font-weight: 600;
    color: #2c3e50;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #f8f9fa;
}

.count {
    background: #667eea;
    color: white;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
}

.sessions-list {
    padding: 10px;
}

.session-item {
    padding: 15px;
    margin-bottom: 10px;
    background: #f8f9fa;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.session-item:hover {
    background: #e8ecef;
    transform: translateX(5px);
}

.session-item.active {
    background: #e3e8ff;
    border-left: 4px solid #667eea;
}

.session-info strong {
    display: block;
    margin-bottom: 4px;
    color: #2c3e50;
}

.session-info small {
    display: block;
    color: #666;
    font-size: 13px;
    margin-bottom: 2px;
}

.btn-accept {
    background: #2ed573;
    color: white;
    padding: 8px 16px;
    font-size: 14px;
}

.btn-accept:hover {
    background: #26d764;
}

.unread-badge {
    background: #ff4757;
    color: white;
    font-size: 11px;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 20px;
    text-align: center;
}

/* Chat Panel */
.chat-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
    max-height: calc(100vh - 120px); /* Fixed height for admin */
    min-height: 0; /* Important for flex child */
}

.chat-panel .chat-header {
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-close-chat {
    background: #ff4757;
    color: white;
    padding: 8px 20px;
    font-size: 14px;
}

.btn-close-chat:hover {
    background: #ff3838;
}

/* Responsive Design */
@media (max-width: 768px) {
    /* Reset body and html for full-screen chat on mobile */
    body, html {
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        height: 100% !important;
        overflow: hidden !important;
    }
    
    /* Ensure no parent containers add spacing */
    body > *:not(.chat-container) {
        margin: 0 !important;
        padding: 0 !important;
    }
    
    /* Target the content section if it exists */
    body > .content,
    body > section,
    body > div:not(.chat-container),
    .container,
    .container-fluid {
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        height: 100% !important;
    }
    
    .chat-container {
        margin: 0 !important;
        max-width: 100% !important;
        width: 100vw !important;
        width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important; /* Dynamic viewport height */
        min-height: 100vh !important;
        min-height: 100dvh !important;
        max-height: 100vh !important;
        max-height: 100dvh !important;
        border-radius: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        overflow: hidden !important;
        box-shadow: none !important;
        z-index: 9999 !important;
    }
    
    /* Override desktop height on mobile */
    .chat-container.customer-chat {
        height: 100vh !important;
        height: 100dvh !important;
        min-height: 100vh !important;
        min-height: 100dvh !important;
    }
    
    .chat-header {
        flex-shrink: 0 !important;
        padding: 15px 20px !important;
    }
    
    .chat-window {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column !important;
        min-height: 0 !important;
        overflow: hidden !important;
        max-height: none !important;
    }
    
    .messages-container {
        flex: 1 !important;
        min-height: 0 !important;
        max-height: none !important;
        height: auto !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        padding: 15px !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    .chat-input-area {
        flex-shrink: 0 !important; 
        position: relative !important;
        background: white !important;
        z-index: 10 !important;
        padding: 8px !important;
        border-top: 1px solid #e1e8ed !important;
    }
    
    .quick-actions-toolbar {
        flex-shrink: 0 !important; 
        background: white !important;
        z-index: 9 !important;
        position: relative !important;
        padding: 10px 15px !important;
    }
    
    .dashboard-content {
        flex-direction: column;
    }
    
    .sessions-panel {
        width: 100%;
        height: 40%;
        border-right: none;
        border-bottom: 1px solid #e1e8ed;
    }
    
    .chat-panel {
        height: 60%;
    }
}

@media (max-width: 375px) {
    /* Reset body and html for full-screen chat on mobile */
    body, html {
        margin: 0 !important;
        padding: 0 !important;
        width: 100% !important;
        height: 100% !important;
        overflow: hidden !important;
    }
    
    .chat-container {
        margin: 0 !important;
        max-width: 100% !important;
        width: 100vw !important;
        width: 100% !important;
        height: 100vh !important;
        height: 100dvh !important;
        min-height: 100vh !important;
        min-height: 100dvh !important;
        max-height: 100vh !important;
        max-height: 100dvh !important;
        border-radius: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        bottom: 0 !important;
        overflow: hidden !important;
        box-shadow: none !important;
    }
    
    .chat-header {
        flex-shrink: 0 !important;
        padding: 12px 15px !important;
    }
    
    .chat-window {
        flex: 1 !important;
        display: flex !important;
        flex-direction: column !important;
        min-height: 0 !important;
        overflow: hidden !important;
        max-height: none !important;
    }
    
    .messages-container {
        flex: 1 !important;
        min-height: 0 !important;
        max-height: none !important;
        height: auto !important;
        overflow-y: auto !important;
        overflow-x: hidden !important;
        padding: 12px !important;
        -webkit-overflow-scrolling: touch !important;
    }
    
    .chat-input-area {
        flex-shrink: 0 !important;
        position: relative !important;
        background: white !important;
        z-index: 10 !important;
        padding: 6px !important;
        border-top: 1px solid #e1e8ed !important;
    }
    
    .quick-actions-toolbar {
        flex-shrink: 0 !important; 
        background: white !important;
        z-index: 9 !important;
        position: relative !important;
    }
    
    .dashboard-content {
        flex-direction: column;
    }
    
    .sessions-panel {
        width: 100%;
        height: 40%;
        border-right: none;
        border-bottom: 1px solid #e1e8ed;
    }
    
    .chat-panel {
        height: 60%;
    }
}

/* Scrollbar Styling */
.messages-container::-webkit-scrollbar {
    width: 6px;
}

.messages-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.messages-container::-webkit-scrollbar-thumb {
    background: #ccc;
    border-radius: 3px;
}

.messages-container::-webkit-scrollbar-thumb:hover {
    background: #999;
}

/* Chat Interface */
#chatInterface {
    position: relative;
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Chat Closed Message */
.chat-closed-message {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.closed-overlay {
    text-align: center;
    padding: 40px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.1);
    max-width: 350px;
}

.closed-content h3 {
    color: #e74c3c;
    margin-bottom: 15px;
    font-size: 18px;
}

.closed-content p {
    color: #666;
    margin-bottom: 10px;
    font-size: 14px;
}

.start-new-chat-btn {
    margin-top: 20px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--chat-primary-color, #667eea) 0%, var(--chat-primary-color-dark, #764ba2) 100%);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.start-new-chat-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}



/* Canned Responses Modal */
.canned-responses-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    margin: 5% auto;
    background: white;
    border-radius: 12px;
    padding: 0;
    max-width: 500px;
    width: 90%;
    max-height: 80%;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid #eee;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    margin: 0;
    color: #333;
}

.close-modal {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: #999;
}

.modal-body {
    padding: 20px;
    max-height: 400px;
    overflow-y: auto;
}

.canned-response-item {
    padding: 15px;
    border: 1px solid #eee;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.canned-response-item:hover {
    background: #f8f9fa;
    border-color: #667eea;
}

.canned-response-item strong {
    display: block;
    margin-bottom: 5px;
    color: #333;
}

.canned-response-item p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

/* Rating Modal */
.rating-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.rating-stars {
    text-align: center;
    margin: 20px 0;
}

.star {
    font-size: 30px;
    color: #ddd;
    cursor: pointer;
    transition: color 0.2s;
    margin: 0 2px;
}

.star:hover,
.star.selected {
    color: #ffc107;
}

#ratingFeedback {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    margin: 15px 0;
    min-height: 80px;
    resize: vertical;
}

.modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 20px;
}

.modal-actions button {
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
}

.modal-actions button:first-child {
    background: #667eea;
    color: white;
}

.modal-actions button:last-child {
    background: #6c757d;
    color: white;
}

/* Quick Actions Toolbar */
.quick-actions-toolbar {
    padding: 10px 15px;
    background: #f8f9fa;
    border-top: 1px solid #e1e8ed;
    border-bottom: 1px solid #e1e8ed;
    flex-shrink: 0;
}

.quick-actions-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.quick-action-btn {
    padding: 6px 12px;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.quick-action-btn:hover {
    background: #5a67d8;
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.quick-action-btn:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(102, 126, 234, 0.3);
}



/* Agent Status Indicators */
.agent-status {
    display: inline-flex;
    align-items: center;
    font-size: 12px;
    padding: 4px 8px;
    border-radius: 12px;
    font-weight: 500;
}

.agent-status.available {
    background: #d4edda;
    color: #155724;
}

.agent-status.busy {
    background: #f8d7da;
    color: #721c24;
}

.agent-status.away {
    background: #fff3cd;
    color: #856404;
}

.agent-status::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    margin-right: 6px;
}

.agent-status.available::before {
    background: #28a745;
}

.agent-status.busy::before {
    background: #dc3545;
}

.agent-status.away::before {
    background: #ffc107;
}

/* Enhanced Typing Indicator */
.typing-indicator-enhanced {
    display: flex;
    align-items: center;
    padding: 10px 15px;
    background: #f8f9fa;
    border-radius: 15px;
    margin: 5px 0;
    font-size: 13px;
    color: #666;
}

.typing-dots {
    display: flex;
    margin-left: 8px;
}

.typing-dots span {
    width: 4px;
    height: 4px;
    background: #999;
    border-radius: 50%;
    margin: 0 1px;
    animation: typing-bounce 1.4s infinite;
}

.typing-dots span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-dots span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typing-bounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-6px);
    }
}

/* Message Read Receipts */
.message-status {
    font-size: 11px;
    color: #999;
    margin-top: 2px;
}

.message-status.sent::after {
    content: '✓';
}

.message-status.delivered::after {
    content: '✓✓';
}

.message-status.read::after {
    content: '✓✓';
    color: #667eea;
}

/* Avatar Styles */
.avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 12px;
    color: white;
    margin-right: 10px;
    flex-shrink: 0;
    text-transform: uppercase;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

/* Customer avatar colors */
.avatar.customer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Agent avatar colors */
.avatar.agent {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

/* Anonymous user special styling */
.avatar.anonymous {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
}

/* Small avatar for messages */
.avatar.small {
    width: 24px;
    height: 24px;
    font-size: 10px;
    margin-right: 8px;
}



/* Transfer Modal */
.transfer-modal .modal-body {
    padding: 20px;
}

/* Mobile Improvements */
@media (max-width: 768px) {
    .modal-content {
        width: 95%;
        margin: 10px;
    }
    
    .canned-responses-modal .modal-body {
        max-height: 60vh;
    }
}

/* Loading States */
.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.message-sending {
    opacity: 0.7;
}

.message-sending::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    margin-left: 8px;
    border: 1px solid currentColor;
    border-top: 1px solid transparent;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Notification Badge */
.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #dc3545;
    color: white;
    border-radius: 50%;
    width: 16px;
    height: 16px;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 5px;
    margin-bottom: 10px;
}

.quick-action-btn {
    padding: 6px 12px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 15px;
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.quick-action-btn:hover {
    background: #e9ecef;
    border-color: #adb5bd;
}

/* Connection Status */
.connection-status {
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 8px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    z-index: 1000;
}

.connection-status.connected {
    background: #d4edda;
    color: #155724;
}

.connection-status.disconnected {
    background: #f8d7da;
    color: #721c24;
}

.connection-status.reconnecting {
    background: #fff3cd;
    color: #856404;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.quick-action-btn {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 20px;
    padding: 0.25rem 0.75rem;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.quick-action-btn:hover {
    background: #667eea;
    color: white;
    border-color: #667eea;
}

/* Quick Actions Toolbar (Customer) */
.quick-actions-toolbar {
    padding: 12px 20px;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
    border-bottom: 1px solid #e9ecef;
    flex-shrink: 0;
    position: relative;
    z-index: 9;
}

.quick-actions-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.quick-actions-buttons .quick-action-btn {
    background: var(--chat-primary-color, #667eea);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-transform: capitalize;
}

.quick-actions-buttons .quick-action-btn:hover {
    background: var(--chat-primary-color-dark, #5a6fd8);
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.quick-actions-buttons .quick-action-btn:active {
    transform: translateY(0);
}

/* Show quick actions button in chat input area */
.show-quick-actions-btn {
    background: #17a2b8;
    color: white;
    border: none;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    margin-left: 8px;
    transition: all 0.2s;
}

.show-quick-actions-btn:hover {
    background: #138496;
}

/* Widget/iframe specific fixes */
body {
    overflow-x: hidden;
}

/* Ensure proper stacking order in widget mode */
.customer-chat .chat-window {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.customer-chat .messages-container {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    overflow-x: hidden;
}

.customer-chat .quick-actions-toolbar {
    order: 1;
    flex-shrink: 0;
}

.customer-chat .chat-input-area {
    order: 2;
    flex-shrink: 0;
    min-height: auto;
}

/* Customer chat date separators */
.customer-chat .date-separator {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 20px 0 15px 0;
    position: relative;
    clear: both;
    width: 100%;
}

.customer-chat .date-separator .date-badge {
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 6px 12px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
    z-index: 2;
    position: relative;
    text-align: center;
    letter-spacing: 0.3px;
}

/* Today/Yesterday special styling for customers */
.customer-chat .date-separator.today .date-badge {
    background: #4caf50;
    color: white;
}

.customer-chat .date-separator.yesterday .date-badge {
    background: #ff9800;
    color: white;
}

/* Customer chat specific styling */
.customer-chat .date-separator .date-badge {
    background: #667eea;
    color: white;
    font-size: 11px;
    padding: 5px 10px;
    border-radius: 10px;
    font-weight: 600;
}

/* Animation for new date separators in customer chat */
@keyframes fadeInDate {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.customer-chat .date-separator.new {
    animation: fadeInDate 0.3s ease-out;
}

/* Message spacing adjustments for customer chat */
.customer-chat .message + .date-separator {
    margin-top: 25px;
}

.customer-chat .date-separator + .message {
    margin-top: 15px;
}

/* Responsive design for customer chat */
@media (max-width: 768px) {
    .customer-chat .date-separator {
        margin: 15px 0 12px 0;
    }
    
    .customer-chat .date-separator .date-badge {
        font-size: 10px;
        padding: 4px 8px;
        border-radius: 8px;
    }
}

/* Ensure proper message layout with date separators */
.customer-chat .messages-container {
    display: flex;
    flex-direction: column;
}

/* Removed order properties that were causing all date separators to group together
   Date separators and messages should be interleaved naturally in DOM order */

/* Error handling styles for logged users */
.chat-error {
    padding: 30px;
    text-align: center;
}

.chat-error h4 {
    margin-bottom: 20px;
    color: #dc3545;
    font-size: 20px;
    font-weight: 600;
}

.error-message {
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 8px;
    padding: 25px;
    margin-bottom: 15px;
}

.error-message p {
    margin-bottom: 15px;
    line-height: 1.6;
}

.error-message .btn {
    margin-top: 10px;
    background: linear-gradient(135deg, var(--chat-primary-color, #667eea) 0%, var(--chat-primary-color-dark, #764ba2) 100%);
    border: none;
    color: white;
    padding: 12px 24px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.error-message .btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

/* Loading state for logged users (seamless experience) */
.chat-loading {
    padding: 30px;
    text-align: center;
}

.chat-loading h4 {
    margin-bottom: 20px;
    color: #667eea;
    font-size: 18px;
    font-weight: 500;
}

.loading-spinner {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #667eea;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.loading-message {
    color: #666;
    font-size: 15px;
    margin-bottom: 10px;
}

.loading-submessage {
    color: #999;
    font-size: 13px;
    font-style: italic;
}

/* Smooth transition for auto-created sessions */
.auto-session-transition {
    animation: fadeInSession 0.5s ease-out;
}

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

/* Enhanced status indicator for logged users */
.user-status-logged {
    background: linear-gradient(45deg, #28a745, #20c997);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.user-status-logged::before {
    content: "✓";
    font-weight: bold;
}

/* Responsive adjustments for error and loading states */
@media (max-width: 480px) {
    .chat-error, .chat-loading {
        padding: 20px;
    }
    
    .error-message {
        padding: 20px;
    }
    
    .chat-error h4 {
        font-size: 18px;
    }
    
    .loading-spinner {
        width: 35px;
        height: 35px;
    }
}

/* Historical Messages Styles */
.message.historical {
    opacity: 0.8;
    position: relative;
}

.message.historical::before {
    content: '';
    position: absolute;
    left: -12px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, rgba(102, 126, 234, 0.4), transparent);
    border-radius: 1px;
}

.message.historical .message-bubble {
    border-left: 2px solid rgba(102, 126, 234, 0.15);
}

.message.historical.customer .message-bubble {
    background: rgba(102, 126, 234, 0.85);
}

.message.historical.agent .message-bubble {
    background: rgba(232, 236, 239, 0.9);
}

.history-notification {
    background: linear-gradient(135deg, #e8f4fd, #f0f8ff);
    border: 1px solid #bbdefb;
    border-radius: 8px;
    padding: 12px 16px;
    margin: 10px 0 20px 0;
    text-align: center;
    animation: slideInFromTop 0.5s ease-out;
}

.history-notification p {
    margin: 0;
    color: #1565c0;
    font-size: 14px;
    font-weight: 500;
}

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

/* Mobile responsive adjustments for historical messages */
@media (max-width: 480px) {
    .message.historical::before {
        left: -8px;
        width: 1px;
    }
    
    .history-notification {
        margin: 5px 0 15px 0;
        padding: 10px 12px;
    }
    
    .history-notification p {
        font-size: 13px;
    }
}