/* Root variables */
:root {
    --user-message-bg: #0056b3;
    --bot-message-bg: #2c2c2c;
    --text-color: #e0e0e0;
    --input-bg: #333333;
    --input-text: #ffffff;
}

/* Base styles */
body {
    background-color: #1a1a1a;
    color: var(--text-color);
}

main {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0 0 0;
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 4px rgba(0,0,0,.1);
}

.navbar-brand {
    font-size: 1.5rem;
}

.navbar-text {
    font-size: 0.9rem;
    opacity: 0.8;
}

.nav-link {
    font-size: 1.1rem;
    padding: 0.5rem 1rem;
    transition: color 0.2s ease-in-out;
}

.nav-link:hover {
    color: var(--bs-primary) !important;
}

.nav-link.active {
    color: var(--bs-primary) !important;
    font-weight: 500;
}

/* Footer */
.footer {
    grid-row: 3;
}

/* Code blocks */
code {
    background-color: #111111;
    color: #ffffff;
}

pre {
    background-color: #111111;
    color: #ffffff;
    padding: 10px;
    border-radius: 5px;
    font-family: "Courier New", Courier, monospace;
    display: block;
    overflow-x: auto;
    max-width: 100%;
    white-space: pre-wrap;
}

/* Chat container */
.chat-container {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    background-color: #242424;
    border: 1px solid #3a3a3a;
}

/* Forms */
#upload-form,
#message-form {
    margin: 0;
}

/* Messages */
.message {
    margin-bottom: 15px;
    padding: 10px;
    border-radius: 10px;
    max-width: 80%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.message.show {
    opacity: 1;
    transform: translateY(0);
}

.user-message {
    background-color: var(--user-message-bg);
    color: white;
    align-self: flex-end;
}

.bot-message {
    background-color: var(--bot-message-bg);
    color: var(--text-color);
    align-self: flex-start;
    width: 100%;
    max-width: 80%;
    padding: 15px;
    box-sizing: border-box; /* Include padding in width calculation */
    word-wrap: break-word; /* Break long words to prevent overflow */
    border: 1px solid #3a3a3a; /* Optional: Add a border for better separation */
}

.bot-message pre, .bot-message code {
    margin: 0;
    width: 100%;
    box-sizing: border-box;
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.dot {
    width: 8px;
    height: 8px;
    background-color: #b0b0b0;
    border-radius: 50%;
    margin: 0 3px;
    animation: bounce 1.3s linear infinite;
}

.dot:nth-child(2) {
    animation-delay: -1.1s;
}

.dot:nth-child(3) {
    animation-delay: -0.9s;
}

@keyframes bounce {
    0%, 60%, 100% {
        transform: translateY(0);
    }
    30% {
        transform: translateY(-10px);
    }
}

/* Sources toggle */
.sources-toggle .bi {
    transition: transform 0.2s ease-in-out;
}

.sources-toggle[aria-expanded="true"] .bi {
    transform: rotate(180deg);
}

.sources-toggle[aria-expanded="true"] .toggle-text {
    content: "Hide Sources";
}

/* Form elements */
.form-control {
    background-color: var(--input-bg);
    color: var(--input-text);
    border-color: #4a4a4a;
}

.form-control:focus {
    background-color: var(--input-bg);
    color: var(--input-text);
    border-color: #6a6a6a;
    box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.25);
}

/* Buttons */
.btn-primary {
    background-color: var(--user-message-bg);
    border-color: var(--user-message-bg);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: #0062cc;
    border-color: #005cbf;
}

.btn-outline-secondary {
    color: #b0b0b0;
    border-color: #b0b0b0;
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    color: #ffffff;
    background-color: #4a4a4a;
    border-color: #b0b0b0;
}

/* Citations */
.citation-source-icon {
    margin-right: 10px;
    cursor: pointer;
    flex-shrink: 0;
}

.citation-list-item {
    display: flex;
    align-items: flex-start;
}

.citation-content {
    flex-grow: 1;
    word-break: break-word;
}

/* Tables */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    background-color: #2c2c2c;
    color: var(--text-color);
}

th, td {
    border: 1px solid #4a4a4a;
    padding: 10px;
    text-align: left;
}

th {
    background-color: #3a3a3a;
    font-weight: bold;
}

td {
    background-color: #2c2c2c;
}

tr:nth-child(even) td {
    background-color: #242424;
}

tr:hover td {
    background-color: #3a3a3a;
}

/* Math - MathML */
math[display="block"] {
    padding-top: 1rem;
    padding-bottom: 1rem;
}

/* Math - KaTeX */
.katex {
    font-size: 1.1em;
}

.katex-display {
    margin: 1rem 0;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.5rem 0;
}

.katex-display > .katex {
    white-space: normal;
}

/* Ensure KaTeX colors work in dark mode */
.katex .base {
    color: var(--text-color);
}

/* Thinking indicator */
.thinking-indicator {
    padding: 4px 0;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

/* Code execution indicator */
.code-execution-indicator {
    padding: 8px 12px;
    background-color: rgba(40, 167, 69, 0.1);
    border-left: 3px solid #28a745;
    border-radius: 0 4px 4px 0;
    margin: 10px 0;
}

.code-execution-indicator .spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* Streaming code blocks */
.code-block {
    background-color: #1e1e1e;
    border-radius: 6px;
    overflow: hidden;
    margin: 10px 0;
}

.code-block small {
    display: block;
    padding: 6px 12px;
    background-color: #2d2d2d;
    border-bottom: 1px solid #3a3a3a;
}

.code-block pre {
    margin: 0;
    padding: 12px;
    background-color: #1e1e1e;
}

.code-block code {
    background-color: transparent;
    font-size: 0.9em;
}

/* Code result blocks */
.code-result {
    background-color: #1a1a1a;
    border-radius: 6px;
    overflow: hidden;
    margin: 10px 0;
}

.code-result small {
    display: block;
    padding: 6px 12px;
    background-color: #252525;
    border-bottom: 1px solid #3a3a3a;
}

.code-result pre {
    margin: 0;
    font-size: 0.85em;
    max-height: 400px;
    overflow-y: auto;
}

/* Plain output styling (no syntax highlighting) */
.output-pre {
    background-color: #1a1a1a;
    padding: 12px;
}

.output-code {
    background-color: transparent !important;
    color: #b0b0b0 !important;
    font-family: "Courier New", Courier, monospace;
}

/* Streamed images */
.message-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

/* Highlight.js overrides for dark theme */
.hljs {
    background: transparent !important;
    padding: 0 !important;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .message {
        max-width: 90%;
    }
}