:root {
    --primary-color: #4F46E5;
    --primary-dark: #4338CA;
    --secondary-color: #10B981;
    --background-light: #F9FAFB;
    --background-white: #FFFFFF;
    --text-primary: #111827;
    --text-secondary: #6B7280;
    --border-color: #E5E7EB;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-light);
    overflow-x: hidden;
}

/* Chat Button */
.chat-button {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    transition: all 0.3s ease;
    z-index: 9998;
    display: flex;
    align-items: center;
    justify-content: center;
}

.chat-button:hover {
    transform: scale(1.1);
    box-shadow: 0 25px 35px -5px rgba(79, 70, 229, 0.4);
}

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

.chat-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    background-color: #EF4444;
    color: white;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    border: 2px solid white;
    animation: pulse 2s infinite;
}

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

/* Chat Widget */
.chat-widget {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 400px;
    max-width: calc(100vw - 48px);
    height: 600px;
    max-height: calc(100vh - 100px);
    background-color: var(--background-white);
    border-radius: 16px;
    box-shadow: var(--shadow-xl);
    display: none;
    flex-direction: column;
    z-index: 9999;
    overflow: hidden;
    animation: slideIn 0.3s ease;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Chat Header */
.chat-header {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 16px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 16px 16px 0 0;
}

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

.assistant-avatar {
    width: 44px;
    height: 44px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    backdrop-filter: blur(10px);
}

.assistant-info h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.status-indicator {
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
    opacity: 0.9;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: var(--secondary-color);
    border-radius: 50%;
    animation: blink 2s infinite;
}

@keyframes blink {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.3;
    }
}

.chat-controls {
    display: flex;
    gap: 8px;
}

.control-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 32px;
    height: 32px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Quick Actions */
.quick-actions {
    padding: 16px;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--background-light);
}

.quick-action-btn {
    background: white;
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-primary);
}

.quick-action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.quick-action-btn i {
    font-size: 20px;
}

/* Chat Messages */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scroll-behavior: smooth;
}

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

.chat-messages::-webkit-scrollbar-track {
    background: var(--background-light);
}

.chat-messages::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

.message {
    display: flex;
    gap: 10px;
    animation: messageSlide 0.3s ease;
}

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

.user-message {
    flex-direction: row-reverse;
}

.message-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

.user-message .message-avatar {
    background: linear-gradient(135deg, var(--secondary-color), #059669);
}

.message-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 70%;
}

.user-message .message-content {
    align-items: flex-end;
}

.message-bubble {
    background-color: var(--background-light);
    padding: 12px 16px;
    border-radius: 16px;
    line-height: 1.5;
    font-size: 14px;
    color: var(--text-primary);
}

.user-message .message-bubble {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
}

.message-bubble p {
    margin: 0;
}

.message-bubble ul {
    margin: 8px 0;
    padding-left: 20px;
}

.message-bubble li {
    margin: 4px 0;
}

.message-time {
    font-size: 11px;
    color: var(--text-secondary);
    padding: 0 8px;
}

/* Suggested Questions */
.suggested-questions {
    padding: 12px 20px;
    border-top: 1px solid var(--border-color);
    background-color: var(--background-light);
}

.suggestions-title {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    font-weight: 500;
}

.suggestion-chip {
    display: inline-block;
    background: white;
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    margin: 4px;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-primary);
}

.suggestion-chip:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

/* Typing Indicator */
.typing-indicator {
    display: none;
    padding: 12px 20px;
    gap: 6px;
    align-items: center;
}

.typing-indicator.active {
    display: flex;
}

.typing-dot {
    width: 8px;
    height: 8px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    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: 0.5;
    }
    30% {
        transform: translateY(-10px);
        opacity: 1;
    }
}

/* Chat Input */
.chat-input {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: 10px;
    align-items: center;
    background-color: white;
}

.chat-input input {
    flex: 1;
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: 24px;
    font-size: 14px;
    font-family: 'Poppins', sans-serif;
    outline: none;
    transition: all 0.2s ease;
}

.chat-input input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.input-action-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-action-btn:hover {
    background-color: var(--background-light);
    color: var(--primary-color);
}

.send-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    cursor: pointer;
    border-radius: 50%;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.send-btn:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-md);
}

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

/* Chat Footer */
.chat-footer {
    padding: 8px;
    text-align: center;
    background-color: var(--background-light);
    border-top: 1px solid var(--border-color);
}

.chat-footer small {
    color: var(--text-secondary);
    font-size: 11px;
}

/* Notification Toast */
.notification-toast {
    position: fixed;
    top: 24px;
    right: 24px;
    background: white;
    padding: 16px 20px;
    border-radius: 12px;
    box-shadow: var(--shadow-xl);
    display: none;
    align-items: center;
    gap: 12px;
    z-index: 10000;
    animation: slideInTop 0.3s ease;
}

.notification-toast.show {
    display: flex;
}

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

.notification-toast i {
    color: var(--primary-color);
    font-size: 20px;
}

/* Responsive Design */
@media (max-width: 768px) {
    .chat-widget {
        width: 100vw;
        height: 100vh;
        max-width: 100vw;
        max-height: 100vh;
        bottom: 0;
        right: 0;
        border-radius: 0;
    }

    .chat-header {
        border-radius: 0;
    }

    .chat-button {
        bottom: 16px;
        right: 16px;
    }

    .quick-actions {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .message-content {
        max-width: 80%;
    }
}

/* Minimized State */
.chat-widget.minimized {
    height: 72px;
    overflow: hidden;
}

.chat-widget.minimized .chat-header {
    border-radius: 16px;
}

/* Link Styles in Messages */
.message-bubble a {
    color: inherit;
    text-decoration: underline;
    font-weight: 500;
}

.user-message .message-bubble a {
    color: white;
}

/* Special Message Types */
.message-bubble.info {
    background-color: #DBEAFE;
    border-left: 3px solid #3B82F6;
}

.message-bubble.success {
    background-color: #D1FAE5;
    border-left: 3px solid var(--secondary-color);
}

.message-bubble.warning {
    background-color: #FEF3C7;
    border-left: 3px solid #F59E0B;
}