/* Chat Widget Styles */
:root {
    /* Chat-specific variables */
    --chat-bg: var(--card-bg-color);
    --chat-user-bubble: var(--primary-color);
    --chat-system-bubble: var(--section-bg-color);
    --chat-width: 350px;
    --chat-height: 500px;
}

/* Chat Widget Container */
.chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

/* Chat Toggle Button */
.chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--accent-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: all 0.3s ease;
    position: absolute;
    bottom: 0;
    right: 0;
    z-index: 1001; /* Ensure it's above other elements */
    opacity: 1 !important; /* Force visibility */
}

.chat-toggle i {
    font-size: 24px;
}

.chat-toggle:hover {
    background-color: var(--secondary-color);
    transform: scale(1.05);
}

/* Chat Container */
.chat-container {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: var(--chat-width);
    height: var(--chat-height);
    background-color: var(--chat-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: none; /* Initially hidden */
    flex-direction: column;
    overflow: hidden;
    transition: all 0.3s ease;
    transform-origin: bottom right;
    border: 1px solid var(--border-color);
    z-index: 1001; /* Ensure it's above other elements */
}

.chat-container.active {
    display: flex !important;
    animation: chat-popup 0.3s forwards;
    opacity: 1 !important;
    visibility: visible !important;
}

@keyframes chat-popup {
    0% {
        opacity: 0;
        transform: scale(0.7);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Chat Header */
.chat-header {
    padding: var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.chat-header h3 {
    margin: 0;
    font-size: 1.1rem;
    color: white;
}

.chat-close {
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.chat-close:hover {
    transform: scale(1.2);
}

/* Chat Messages */
.chat-messages {
    flex-grow: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.chat-message {
    max-width: 80%;
    display: flex;
    flex-direction: column;
}

.chat-message.user {
    align-self: flex-end;
}

.chat-message.system {
    align-self: flex-start;
}

.chat-message-content {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    position: relative;
    box-shadow: var(--shadow-sm);
}

.chat-message.user .chat-message-content {
    background-color: var(--chat-user-bubble);
    color: white;
    border-radius: var(--radius-lg) var(--radius-lg) 0 var(--radius-lg);
}

.chat-message.system .chat-message-content {
    background-color: var(--chat-system-bubble);
    color: var(--text-color);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) 0;
}

.chat-message p {
    margin: 0;
    line-height: 1.4;
    font-size: 0.9rem;
}

.chat-message .chat-sources {
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
    color: var(--text-light);
}

.chat-message .chat-sources-toggle {
    cursor: pointer;
    color: var(--secondary-color);
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.75rem;
}

.chat-sources-list {
    margin-top: var(--spacing-xs);
    font-size: 0.75rem;
    padding-left: var(--spacing-md);
    display: none;
}

.chat-sources-list.visible {
    display: block;
}

/* Chat Input */
.chat-input-container {
    padding: var(--spacing-sm);
    display: flex;
    gap: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
    background-color: white;
}

#chat-input {
    flex-grow: 1;
    padding: var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    resize: none;
    height: 60px;
    transition: border-color 0.2s ease;
}

#chat-input:focus {
    outline: none;
    border-color: var(--secondary-color);
}

#chat-send {
    align-self: flex-end;
    height: 40px;
    width: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Loading indicator */
.chat-loading {
    display: flex;
    gap: 4px;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
}

.chat-loading span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--secondary-color);
    animation: chat-loading 1.4s infinite ease-in-out both;
}

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

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

@keyframes chat-loading {
    0%, 80%, 100% {
        transform: scale(0);
    }
    40% {
        transform: scale(1);
    }
}