/* Modern Chat Widget Styles */

#chat-widget-container {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 9999;
}

#chat-toggle-button {
    width: 64px;
    height: 64px;
    background: var(--gradient-bg);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border: none;
}

#chat-toggle-button:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 8px 24px rgba(74, 144, 226, 0.4);
}

#chat-toggle-button:active {
    transform: scale(1.05);
}

#chat-unread-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    font-size: 11px;
    padding: 4px 7px;
    background: linear-gradient(135deg, var(--danger-color) 0%, #FF6B6B 100%);
    border: 2px solid white;
    border-radius: 12px;
    font-weight: 700;
    min-width: 20px;
    text-align: center;
}

#chat-window {
    width: 380px;
    height: 550px;
    border-radius: var(--border-radius-lg);
    background-color: white;
    box-shadow: var(--shadow-lg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: none;
    margin-bottom: 10px;
}

#chat-header {
    background: var(--gradient-bg);
    padding: 16px 20px;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

#chat-header span {
    flex-grow: 1;
    text-align: center;
    font-size: 1.1rem;
}

#close-chat-btn, #chat-back-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    line-height: 1;
    padding: 6px 10px;
    border-radius: var(--border-radius-sm);
    transition: all 0.2s ease;
}

#close-chat-btn:hover, #chat-back-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

#admin-user-list {
    overflow-y: auto;
    flex-grow: 1;
    background-color: #F8FAFB;
}

#admin-user-list .list-group-item {
    background-color: white;
    border: none;
    border-bottom: 2px solid #F0F2F5;
    color: var(--text-primary);
    position: relative;
    padding: 14px 18px;
    cursor: pointer;
    transition: all 0.2s ease;
}

#admin-user-list .list-group-item:hover {
    background-color: rgba(74, 144, 226, 0.05);
}

#admin-user-list .list-group-item:last-child {
    border-bottom: none;
}

#admin-user-list .list-group-item.active {
    background: linear-gradient(135deg, rgba(74, 144, 226, 0.1) 0%, rgba(109, 213, 176, 0.1) 100%);
    color: var(--accent-blue);
    font-weight: 600;
    border-left: 4px solid var(--accent-blue);
}

#chat-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 14px;
    background-color: #F8FAFB;
}

#chat-messages .message {
    display: flex;
    max-width: 75%;
    animation: slideIn 0.2s ease-out;
}

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

#chat-messages .message-content {
    padding: 10px 14px;
    border-radius: var(--border-radius);
    position: relative;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

#chat-messages .message-content p {
    margin: 0;
    word-wrap: break-word;
    line-height: 1.5;
}

#chat-messages .message.sent {
    align-self: flex-end;
}

#chat-messages .message.sent .message-content {
    background: var(--gradient-bg);
    color: white;
    border-bottom-right-radius: 4px;
}

#chat-messages .message.received {
    align-self: flex-start;
}

#chat-messages .message.received .message-content {
    background-color: white;
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    border: 1px solid #E8ECF0;
}

#chat-messages .timestamp {
    font-size: 0.7rem;
    color: var(--text-light);
    margin-top: 4px;
    display: block;
    text-align: right;
}

#chat-messages .message.sent .timestamp {
    color: rgba(255, 255, 255, 0.8);
}

#chat-input-area {
    padding: 16px;
    border-top: 2px solid #E8ECF0;
    flex-shrink: 0;
    background-color: white;
}