#acv-chat-container {
    max-width: 600px;
    margin: 20px auto;
    border: 1px solid #ddd;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

#acv-verification-form {
    padding: 20px;
    background: #f9f9f9;
}

#acv-verification-form h3 {
    margin-top: 0;
    color: #333;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

.acv-btn {
    background: #007cba;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    transition: background 0.3s;
}

.acv-btn:hover {
    background: #005a87;
}

.acv-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

#acv-code-verification {
    margin-top: 20px;
    padding: 15px;
    background: #fff;
    border: 1px solid #ddd;
    border-radius: 4px;
}

#acv-verify-code {
    width: 150px;
    padding: 8px;
    font-size: 18px;
    text-align: center;
    letter-spacing: 5px;
}

#acv-chat-window {
    background: white;
}

#acv-chat-header {
    padding: 15px;
    background: #007cba;
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#acv-chat-header h3 {
    margin: 0;
}

#acv-question-counter {
    font-size: 14px;
}

#acv-chat-messages {
    height: 400px;
    overflow-y: auto;
    padding: 20px;
    background: #f9f9f9;
}

.chat-message {
    margin-bottom: 15px;
    padding: 10px 15px;
    border-radius: 8px;
    animation: slideIn 0.3s ease-out;
}

.chat-message.user {
    background: #007cba;
    color: white;
    margin-left: 20%;
    text-align: right;
}

.chat-message.bot {
    background: white;
    margin-right: 20%;
    border: 1px solid #ddd;
}

.chat-message.fade-in {
    animation: fadeIn 0.5s ease-out;
}

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

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

#acv-chat-input {
    padding: 15px;
    border-top: 1px solid #ddd;
    display: flex;
    gap: 10px;
}

#acv-message-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
}

#acv-send-btn {
    padding: 10px 20px;
    background: #007cba;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background 0.3s;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

#acv-send-btn:hover {
    background: #005a87;
}

#acv-send-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.send-icon {
    font-size: 18px;
}

.loading-spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.8s linear infinite;
}

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

/* Scrollbar styling */
#acv-chat-messages::-webkit-scrollbar {
    width: 8px;
}

#acv-chat-messages::-webkit-scrollbar-track {
    background: #f1f1f1;
}

#acv-chat-messages::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

#acv-chat-messages::-webkit-scrollbar-thumb:hover {
    background: #555;
}