:root {
    --primary: #4361ee;
    --primary-dark: #3a56d4;
    --secondary: #7209b7;
    --light: #f8f9fa;
    --dark: #212529;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --success: #4cc9f0;
    --warning: #f72585;
    --border-radius: 12px;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --transition: all 0.3s ease;
}

#chatbox-plugin-container {
    position: fixed;
    bottom: 60px;
    right: 30px;
    z-index: 9999;
}

.chatbox-btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chatbox-btn:hover {
    transform: scale(1.1);
}

.chatbox-wrapper {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 400px;
    max-width: 90vw;
    height: 600px;
    max-height: 80vh;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transform: translateY(20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.chatbox-wrapper.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.chat-header {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.chat-header i {
    font-size: 1.2rem;
}

.chat-box {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background: #fafcff;
    background-image: radial-gradient(#e6e9ff 1px, transparent 1px);
    background-size: 20px 20px;
}

.message {
    max-width: 80%;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    position: relative;
    animation: fadeIn 0.3s ease;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.user-message {
    align-self: flex-end;
    background: var(--primary);
    color: white;
    border-bottom-right-radius: 5px;
}

.bot-message {
    align-self: flex-start;
    background: white;
    border: 1px solid var(--light-gray);
    border-bottom-left-radius: 5px;
}

.message-content {
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.6;
}

.references-container {
    margin-top: 20px;
    padding-top: 15px;
    border-top: 1px dashed var(--light-gray);
    animation: fadeIn 0.5s ease;
}

.references-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: var(--secondary);
    font-weight: 600;
}

.references-title i {
    font-size: 1.2rem;
}

.references-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.reference-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 15px;
    background: rgba(67, 97, 238, 0.05);
    border-radius: 8px;
    transition: var(--transition);
}

.reference-item:hover {
    background: rgba(67, 97, 238, 0.1);
    transform: translateX(5px);
}

.reference-number {
    min-width: 24px;
    height: 24px;
    background: var(--primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    font-weight: bold;
}

.reference-content {
    flex: 1;
}

.reference-title {
    font-weight: 600;
    margin-bottom: 5px;
    color: var(--dark);
}

.reference-link {
    color: var(--primary);
    font-size: 0.9rem;
    margin-top: 5px;
    display: inline-block;
}

.typing-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--gray);
    padding: 5px 0;
}

.typing-dots {
    display: flex;
    gap: 4px;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background: var(--gray);
    border-radius: 50%;
    display: inline-block;
    animation: typing 1.4s infinite ease;
}

.typing-dot:nth-child(1) {
    animation-delay: 0s;
}

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

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

.input-container {
    display: flex;
    border-top: 1px solid var(--light-gray);
    background: white;
    padding: 15px;
}

.input-container input {
    flex: 1;
    padding: 15px 20px;
    border: 1px solid var(--light-gray);
    border-radius: 30px;
    font-size: 1em;
    transition: var(--transition);
    outline: none;
    box-shadow: inset 0 1px 3px rgba(0,0,0,0.05);
}

.input-container input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
}

.input-container button {
    padding: 15px 25px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 30px;
    margin-left: 15px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1em;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 6px rgba(67, 97, 238, 0.2);
}

.input-container button:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 8px rgba(67, 97, 238, 0.3);
}

.input-container button:active {
    transform: translateY(0);
}

.input-container button:disabled {
    background: var(--light-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.suggestions-container {
    margin-top: 20px;
    animation: fadeIn 1s ease;
}

.suggestions-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
    color: var(--gray);
    font-weight: 600;
}

.suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.suggestion {
    background: white;
    padding: 12px 25px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.95rem;
    border: 1px solid var(--light-gray);
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.suggestion:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 10px rgba(67, 97, 238, 0.2);
}

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

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

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

@media (max-width: 768px) {
    .chatbox-wrapper {
        width: 350px;
    }
    
    .message {
        max-width: 90%;
    }
    
    .input-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .input-container button {
        margin-left: 0;
        width: 100%;
        justify-content: center;
    }
    
    .suggestions {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .chatbox-wrapper {
        width: 300px;
        height: 500px;
    }
    
    .message {
        padding: 12px 15px;
    }
    
    .reference-item {
        flex-direction: column;
        gap: 8px;
    }
}