/* Chat Widget Styles */
.chat-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 10000;
    font-family: 'Poppins', sans-serif;
}

.chat-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00A8A8, #00d4d4);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(0, 168, 168, 0.4);
    transition: all 0.3s ease;
    position: relative;
}

.chat-button:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 32px rgba(0, 168, 168, 0.5);
}

.chat-notification {
    position: absolute;
    top: -5px;
    right: -5px;
    background: #FF6B6B;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.8;
    }
}

.chat-container {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 600px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
    display: none;
    flex-direction: column;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

.chat-container.active {
    display: flex;
}

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

.chat-header {
    background: linear-gradient(135deg, #00A8A8, #00d4d4);
    color: white;
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chat-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-header h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.status {
    font-size: 13px;
    margin: 4px 0 0 0;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.95;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #4ade80;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.chat-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.chat-messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    background: #f8f9fa;
}

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

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

.chat-messages::-webkit-scrollbar-thumb {
    background: #00A8A8;
    border-radius: 3px;
}

.message {
    margin-bottom: 16px;
    display: flex;
    animation: fadeIn 0.3s ease;
}

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

.message.bot {
    justify-content: flex-start;
}

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 75%;
    padding: 12px 16px;
    border-radius: 18px;
    word-wrap: break-word;
    line-height: 1.5;
}

.message.bot .message-content {
    background: white;
    color: #2c3e50;
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.message.user .message-content {
    background: linear-gradient(135deg, #00A8A8, #00d4d4);
    color: white;
    border-bottom-right-radius: 4px;
}

.message-time {
    font-size: 11px;
    opacity: 0.6;
    margin-top: 4px;
    text-align: right;
}

.typing-indicator {
    display: flex;
    gap: 5px;
    padding: 12px 16px;
    background: white;
    border-radius: 18px;
    border-bottom-left-radius: 4px;
    width: fit-content;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.typing-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00A8A8;
    animation: typing 1.4s infinite;
}

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

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

@keyframes typing {
    0%, 60%, 100% {
        transform: translateY(0);
        opacity: 0.4;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

.chat-quick-options {
    padding: 10px 20px;
    background: white;
    border-top: 1px solid #e9ecef;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.quick-option {
    padding: 8px 14px;
    background: #f8f9fa;
    border: 1px solid #dee2e6;
    border-radius: 20px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #495057;
}

.quick-option:hover {
    background: #00A8A8;
    color: white;
    border-color: #00A8A8;
    transform: translateY(-2px);
}

.chat-input-container {
    padding: 15px 20px;
    background: white;
    border-top: 1px solid #e9ecef;
    display: flex;
    gap: 10px;
    align-items: center;
}

.chat-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 25px;
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    outline: none;
    transition: border-color 0.3s ease;
}

.chat-input:focus {
    border-color: #00A8A8;
}

.chat-send {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, #00A8A8, #00d4d4);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.chat-send:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 168, 168, 0.3);
}

.chat-send:active {
    transform: scale(0.95);
}

.exam-card {
    background: #f8f9fa;
    border-left: 4px solid #00A8A8;
    padding: 12px;
    margin-top: 8px;
    border-radius: 8px;
}

.exam-card h4 {
    margin: 0 0 8px 0;
    color: #00A8A8;
    font-size: 14px;
}

.exam-card p {
    margin: 0;
    font-size: 13px;
    color: #495057;
    line-height: 1.6;
}

.exam-list {
    list-style: none;
    padding: 0;
    margin: 8px 0;
}

.exam-list li {
    padding: 8px 12px;
    margin: 4px 0;
    background: #e3f2fd;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.3s ease;
    color: #1976d2;
}

.exam-list li:hover {
    background: #00A8A8;
    color: white;
    transform: translateX(5px);
}

@media (max-width: 768px) {
    .chat-widget {
        bottom: 20px;
        right: 20px;
    }
    
    .chat-button {
        width: 55px;
        height: 55px;
    }
    
    .chat-container {
        width: calc(100vw - 40px);
        height: calc(100vh - 120px);
        bottom: 70px;
        right: -10px;
    }
}