/* Chatbot Widget Styles */
:root {
    --chatbot-primary: #7C3AED;
    --chatbot-bg-light: #FFFFFF;
    --chatbot-bg-dark: #1F2937;
    --chatbot-text-light: #1F2937;
    --chatbot-text-dark: #F3F4F6;
    --chatbot-user-msg: #7C3AED;
    --chatbot-bot-msg: #F3F4F6;
    --chatbot-border-light: #E5E7EB;
    --chatbot-border-dark: #374151;
    --chatbot-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Floating Chat Button */
.chatbot-button {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--chatbot-primary);
    color: white;
    border: none;
    cursor: pointer;
    box-shadow: var(--chatbot-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 9998;
}

.chatbot-button:hover {
    transform: scale(1.1);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.chatbot-button.hidden {
    display: none;
}

/* Chat Container */
.chatbot-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 400px;
    height: 600px;
    border-radius: 12px;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 9999;
    transition: opacity 0.3s, transform 0.3s;
}

.chatbot-container.hidden {
    display: none;
}

.chatbot-container.light {
    background: var(--chatbot-bg-light);
    color: var(--chatbot-text-light);
}

.chatbot-container.dark {
    background: var(--chatbot-bg-dark);
    color: var(--chatbot-text-dark);
}

/* Header */
.chatbot-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid;
}

.chatbot-container.light .chatbot-header {
    background: var(--chatbot-bg-light);
    border-bottom-color: var(--chatbot-border-light);
}

.chatbot-container.dark .chatbot-header {
    background: var(--chatbot-bg-dark);
    border-bottom-color: var(--chatbot-border-dark);
}

.chatbot-header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.chatbot-logo {
    width: 40px;
    height: 40px;
    background: var(--chatbot-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 18px;
}

.chatbot-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
}

.chatbot-header-right {
    display: flex;
    gap: 8px;
}

.chatbot-icon-btn {
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    transition: background 0.2s;
}

.chatbot-icon-btn i {
    line-height: 1;
}

.chatbot-container.light .chatbot-icon-btn {
    background: #F3F4F6;
    color: var(--chatbot-text-light);
}

.chatbot-container.dark .chatbot-icon-btn {
    background: #374151;
    color: var(--chatbot-text-dark);
}

.chatbot-icon-btn:hover {
    opacity: 0.8;
}

/* Messages Area */
.chatbot-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.chatbot-container.light .chatbot-messages {
    background: #F9FAFB;
}

.chatbot-container.dark .chatbot-messages {
    background: #111827;
}

.chatbot-message {
    max-width: 80%;
    padding: 12px 16px;
    border-radius: 12px;
    line-height: 1.5;
    font-size: 14px;
    word-wrap: break-word;
}

/* HTML content styling in bot messages */
.chatbot-message.bot a {
    color: var(--chatbot-primary);
    text-decoration: underline;
}

.chatbot-container.dark .chatbot-message.bot a {
    color: #A78BFA;
}

.chatbot-message.bot strong,
.chatbot-message.bot b {
    font-weight: 600;
}

.chatbot-message.bot ul,
.chatbot-message.bot ol {
    margin: 8px 0;
    padding-left: 20px;
}

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

.chatbot-message.bot p {
    margin: 0;
}

.chatbot-message.bot p + p {
    margin-top: 8px;
}

.chatbot-message.bot br {
    line-height: 1.5;
}

.chatbot-message.bot {
    align-self: flex-start;
    background: var(--chatbot-bot-msg);
    color: var(--chatbot-text-light);
    border-bottom-left-radius: 4px;
}

.chatbot-container.dark .chatbot-message.bot {
    background: #374151;
    color: var(--chatbot-text-dark);
}

.chatbot-message.user {
    align-self: flex-end;
    background: var(--chatbot-user-msg);
    color: white;
    border-bottom-right-radius: 4px;
}

/* Loading Animation */
.chatbot-loading {
    display: flex;
    gap: 4px;
    padding: 12px 16px;
    align-self: flex-start;
    background: var(--chatbot-bot-msg);
    border-radius: 12px;
    border-bottom-left-radius: 4px;
}

.chatbot-container.dark .chatbot-loading {
    background: #374151;
}

.chatbot-loading.hidden {
    display: none;
}

.chatbot-loading-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #9CA3AF;
    animation: loading-bounce 1.4s infinite ease-in-out both;
}

.chatbot-loading-dot:nth-child(1) {
    animation-delay: -0.32s;
}

.chatbot-loading-dot:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes loading-bounce {
    0%, 80%, 100% {
        transform: scale(0.8);
        opacity: 0.5;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Input Area */
.chatbot-input-area {
    padding: 16px 20px;
    border-top: 1px solid;
}

.chatbot-container.light .chatbot-input-area {
    background: var(--chatbot-bg-light);
    border-top-color: var(--chatbot-border-light);
}

.chatbot-container.dark .chatbot-input-area {
    background: var(--chatbot-bg-dark);
    border-top-color: var(--chatbot-border-dark);
}

.chatbot-input-wrapper {
    display: flex;
    gap: 8px;
    align-items: center;
}

.chatbot-input {
    flex: 1;
    padding: 12px 16px;
    border: 1px solid;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.chatbot-container.light .chatbot-input {
    background: #F9FAFB;
    border-color: var(--chatbot-border-light);
    color: var(--chatbot-text-light);
}

.chatbot-container.dark .chatbot-input {
    background: #1F2937;
    border-color: var(--chatbot-border-dark);
    color: var(--chatbot-text-dark);
}

.chatbot-input:focus {
    border-color: var(--chatbot-primary);
}

.chatbot-input::placeholder {
    color: #9CA3AF;
}

.chatbot-send-btn {
    padding: 12px 24px;
    background: var(--chatbot-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

.chatbot-send-btn:hover:not(:disabled) {
    background: #6D28D9;
}

.chatbot-send-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Scrollbar Styling */
.chatbot-messages::-webkit-scrollbar {
    width: 6px;
}

.chatbot-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chatbot-messages::-webkit-scrollbar-thumb {
    background: #D1D5DB;
    border-radius: 3px;
}

.chatbot-container.dark .chatbot-messages::-webkit-scrollbar-thumb {
    background: #4B5563;
}

/* Mobile Responsive */
@media (max-width: 480px) {
    .chatbot-container {
        width: calc(100vw - 32px);
        height: calc(100vh - 100px);
        bottom: 16px;
        right: 16px;
    }

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