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718 lines (610 loc) · 13.4 KB
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/* Modern CSS Reset */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}
/* CSS Variables */
:root {
--primary-color: #2563eb;
--primary-hover: #1d4ed8;
--background: #0f172a;
--surface: #1e293b;
--surface-hover: #334155;
--text-primary: #f1f5f9;
--text-secondary: #94a3b8;
--border-color: #334155;
--user-message: #2563eb;
--assistant-message: #374151;
--shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
--radius: 12px;
--focus-ring: rgba(37, 99, 235, 0.2);
--welcome-bg: #1e3a5f;
--welcome-border: #2563eb;
}
/* Base Styles */
body {
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
background-color: var(--background);
color: var(--text-primary);
line-height: 1.6;
height: 100vh;
overflow: hidden;
margin: 0;
padding: 0;
}
/* Container - Full Screen */
.container {
height: 100vh;
width: 100vw;
display: flex;
flex-direction: column;
margin: 0;
padding: 0;
}
/* Header - Hidden */
header {
display: none;
}
header h1 {
font-size: 1.75rem;
font-weight: 700;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
margin: 0;
}
.subtitle {
font-size: 0.95rem;
color: var(--text-secondary);
margin-top: 0.5rem;
}
/* Main Content Area with Sidebar */
.main-content {
flex: 1;
display: flex;
overflow: hidden;
background: var(--background);
}
/* Left Sidebar */
.sidebar {
width: 320px;
background: var(--surface);
border-right: 1px solid var(--border-color);
padding: 1.5rem;
overflow-y: auto;
flex-shrink: 0;
}
/* Custom Scrollbar for Sidebar */
.sidebar::-webkit-scrollbar {
width: 8px;
}
.sidebar::-webkit-scrollbar-track {
background: var(--surface);
}
.sidebar::-webkit-scrollbar-thumb {
background: var(--border-color);
border-radius: 4px;
}
.sidebar::-webkit-scrollbar-thumb:hover {
background: var(--text-secondary);
}
.sidebar-section {
margin-bottom: 1.5rem;
}
.sidebar-section:last-child {
margin-bottom: 0;
}
/* Main Chat Area */
.chat-main {
flex: 1;
display: flex;
justify-content: center;
overflow: hidden;
padding: 0;
background: var(--background);
}
/* Chat Container - Centered with Max Width */
.chat-container {
flex: 1;
display: flex;
flex-direction: column;
background: var(--background);
overflow: hidden;
width: 100%;
max-width: 800px;
margin: 0;
}
/* Chat Messages */
.chat-messages {
flex: 1;
overflow-y: auto;
padding: 2rem;
display: flex;
flex-direction: column;
gap: 1rem;
background: var(--background);
}
/* Custom Scrollbar */
.chat-messages::-webkit-scrollbar {
width: 8px;
}
.chat-messages::-webkit-scrollbar-track {
background: var(--surface);
}
.chat-messages::-webkit-scrollbar-thumb {
background: var(--border-color);
border-radius: 4px;
}
.chat-messages::-webkit-scrollbar-thumb:hover {
background: var(--text-secondary);
}
/* Message Styles */
.message {
max-width: 85%;
animation: fadeIn 0.3s ease-out;
}
@keyframes fadeIn {
from {
opacity: 0;
transform: translateY(10px);
}
to {
opacity: 1;
transform: translateY(0);
}
}
.message.user {
align-self: flex-end;
}
.message.assistant {
align-self: flex-start;
}
.message-content {
padding: 0.75rem 1.25rem;
border-radius: 18px;
word-wrap: break-word;
line-height: 1.5;
}
.message.user .message-content {
background: var(--user-message);
color: white;
border-bottom-right-radius: 4px;
}
.message.assistant .message-content {
background: var(--surface);
color: var(--text-primary);
border-bottom-left-radius: 4px;
}
/* Message metadata */
.message-meta {
font-size: 0.75rem;
color: var(--text-secondary);
margin-top: 0.25rem;
padding: 0 0.5rem;
}
.message.user .message-meta {
text-align: right;
}
/* Collapsible Sources */
.sources-collapsible {
margin-top: 0.5rem;
font-size: 0.75rem;
color: var(--text-secondary);
}
.sources-collapsible summary {
cursor: pointer;
padding: 0.25rem 0.5rem;
user-select: none;
font-weight: 500;
}
.sources-collapsible summary:hover {
color: var(--text-primary);
}
.sources-collapsible[open] summary {
margin-bottom: 0.25rem;
}
.sources-content {
padding: 0 0.5rem 0.25rem 1.5rem;
color: var(--text-secondary);
}
/* Markdown formatting styles */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
margin: 0.5rem 0;
font-weight: 600;
}
.message-content h1 { font-size: 1.5rem; }
.message-content h2 { font-size: 1.3rem; }
.message-content h3 { font-size: 1.1rem; }
.message-content p {
margin: 0.5rem 0;
line-height: 1.6;
}
.message-content ul,
.message-content ol {
margin: 0.5rem 0;
padding-left: 1.5rem;
}
.message-content li {
margin: 0.25rem 0;
line-height: 1.6;
}
.message-content code {
background-color: rgba(0, 0, 0, 0.2);
padding: 0.125rem 0.25rem;
border-radius: 3px;
font-family: 'Fira Code', 'Consolas', monospace;
font-size: 0.875em;
}
.message-content pre {
background-color: rgba(0, 0, 0, 0.2);
padding: 0.75rem;
border-radius: 4px;
overflow-x: auto;
margin: 0.5rem 0;
}
.message-content pre code {
background-color: transparent;
padding: 0;
}
.message-content blockquote {
border-left: 3px solid var(--primary);
padding-left: 1rem;
margin: 0.5rem 0;
color: var(--text-secondary);
}
/* Welcome message special styling */
.message.welcome-message .message-content {
background: var(--surface);
border: 2px solid var(--border-color);
box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
position: relative;
}
.message-content strong {
font-weight: 600;
}
.message-content em {
font-style: italic;
}
.message-content hr {
border: none;
border-top: 1px solid var(--border-color);
margin: 1rem 0;
}
/* Chat Input Container */
.chat-input-container {
display: flex;
gap: 0.75rem;
padding: 1.5rem 2rem;
background: var(--background);
border-top: 1px solid var(--border-color);
flex-shrink: 0;
}
/* Chat Input */
#chatInput {
flex: 1;
padding: 0.875rem 1.25rem;
background: var(--surface);
border: 1px solid var(--border-color);
border-radius: 24px;
color: var(--text-primary);
font-size: 0.95rem;
transition: all 0.2s ease;
}
#chatInput:focus {
outline: none;
border-color: var(--primary-color);
box-shadow: 0 0 0 3px var(--focus-ring);
}
#chatInput::placeholder {
color: var(--text-secondary);
}
/* Send Button */
#sendButton {
padding: 0.75rem 1.25rem;
background: var(--primary-color);
color: white;
border: none;
border-radius: 24px;
cursor: pointer;
display: flex;
align-items: center;
justify-content: center;
transition: all 0.2s ease;
min-width: 52px;
}
#sendButton:focus {
outline: none;
box-shadow: 0 0 0 3px var(--focus-ring);
}
#sendButton:hover:not(:disabled) {
background: var(--primary-hover);
transform: translateY(-1px);
box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}
#sendButton:active:not(:disabled) {
transform: translateY(0);
}
#sendButton:disabled {
opacity: 0.5;
cursor: not-allowed;
}
/* Loading Animation */
.loading {
display: inline-flex;
gap: 4px;
padding: 0.75rem 1.25rem;
}
.loading span {
width: 8px;
height: 8px;
background: var(--text-secondary);
border-radius: 50%;
animation: bounce 1.4s infinite ease-in-out both;
}
.loading span:nth-child(1) {
animation-delay: -0.32s;
}
.loading span:nth-child(2) {
animation-delay: -0.16s;
}
@keyframes bounce {
0%, 80%, 100% {
transform: scale(0);
}
40% {
transform: scale(1);
}
}
/* Error Message */
.error-message {
background: rgba(239, 68, 68, 0.1);
color: #f87171;
padding: 0.75rem 1.25rem;
border-radius: 8px;
border: 1px solid rgba(239, 68, 68, 0.2);
margin: 0.5rem 0;
}
/* Success Message */
.success-message {
background: rgba(34, 197, 94, 0.1);
color: #4ade80;
padding: 0.75rem 1.25rem;
border-radius: 8px;
border: 1px solid rgba(34, 197, 94, 0.2);
margin: 0.5rem 0;
}
/* Sidebar Headers */
.stats-header,
.suggested-header {
font-size: 0.875rem;
font-weight: 600;
color: var(--text-secondary);
cursor: pointer;
padding: 0.5rem 0;
border: none;
background: none;
list-style: none;
outline: none;
transition: color 0.2s ease;
text-transform: uppercase;
letter-spacing: 0.5px;
}
.stats-header:focus,
.suggested-header:focus {
color: var(--primary-color);
}
.stats-header:hover,
.suggested-header:hover {
color: var(--primary-color);
}
.stats-header::-webkit-details-marker,
.suggested-header::-webkit-details-marker {
display: none;
}
.stats-header::before,
.suggested-header::before {
content: '▶';
display: inline-block;
margin-right: 0.5rem;
transition: transform 0.2s ease;
font-size: 0.75rem;
}
details[open] .stats-header::before,
details[open] .suggested-header::before {
transform: rotate(90deg);
}
/* Course Stats in Sidebar */
.course-stats {
display: flex;
flex-direction: column;
gap: 1rem;
padding: 0.75rem 0;
background: transparent;
border: none;
}
.stat-item {
text-align: left;
padding: 0.75rem;
background: var(--background);
border-radius: 8px;
border: 1px solid var(--border-color);
margin-bottom: 0.75rem;
}
.stat-item:last-child {
margin-bottom: 0;
}
.stat-value {
display: inline-block;
font-size: 0.875rem;
font-weight: 600;
color: var(--primary-color);
margin-left: 0.5rem;
}
.stat-label {
display: inline-block;
font-size: 0.875rem;
color: var(--text-secondary);
font-weight: 600;
}
.stat-item:last-child .stat-label {
display: block;
margin-bottom: 0.5rem;
}
/* Course titles collapsible */
.course-titles-collapsible {
width: 100%;
}
.course-titles-header {
cursor: pointer;
font-size: 0.875rem;
color: var(--text-secondary);
font-weight: 600;
padding: 0.5rem 0;
list-style: none;
display: block;
user-select: none;
}
.course-titles-header:focus {
outline: none;
color: var(--primary-color);
}
.course-titles-header::-webkit-details-marker {
display: none;
}
.course-titles-header::before {
content: '▶';
display: inline-block;
margin-right: 0.5rem;
transition: transform 0.2s ease;
font-size: 0.75rem;
}
.course-titles-collapsible[open] .course-titles-header::before {
transform: rotate(90deg);
}
/* Course titles display */
.course-titles {
margin-top: 0.5rem;
/* Remove max-height to show all titles without scrolling */
}
.course-title-item {
font-size: 0.85rem;
color: var(--text-primary);
padding: 0.5rem 0.25rem;
border-bottom: 1px solid var(--border-color);
text-transform: none;
line-height: 1.4;
}
.course-title-item:last-child {
border-bottom: none;
}
.course-title-item:first-child {
padding-top: 0.25rem;
}
.no-courses, .loading, .error {
font-size: 0.85rem;
color: var(--text-secondary);
font-style: italic;
text-transform: none;
}
/* Suggested Questions in Sidebar */
.suggested-items {
display: flex;
flex-direction: column;
gap: 0.5rem;
padding: 0.75rem 0;
}
.suggested-item {
padding: 0.75rem 1rem;
background: var(--background);
border: 1px solid var(--border-color);
border-radius: 8px;
color: var(--text-primary);
font-size: 0.875rem;
cursor: pointer;
transition: all 0.2s ease;
text-align: left;
width: 100%;
}
.suggested-item:focus {
outline: none;
box-shadow: 0 0 0 3px var(--focus-ring);
}
.suggested-item:hover {
background: var(--surface-hover);
border-color: var(--primary-color);
color: var(--primary-color);
transform: translateX(2px);
}
/* Responsive Design */
@media (max-width: 768px) {
.main-content {
flex-direction: column;
}
.sidebar {
width: 100%;
border-right: none;
border-bottom: 1px solid var(--border-color);
padding: 1rem;
order: 2;
max-height: 40vh;
}
.sidebar::-webkit-scrollbar {
width: 8px;
}
.sidebar::-webkit-scrollbar-track {
background: var(--surface);
}
.sidebar::-webkit-scrollbar-thumb {
background: var(--border-color);
border-radius: 4px;
}
.sidebar::-webkit-scrollbar-thumb:hover {
background: var(--text-secondary);
}
.chat-main {
order: 1;
}
header {
padding: 1rem;
}
header h1 {
font-size: 1.5rem;
}
.chat-messages {
padding: 1rem;
}
.message {
max-width: 90%;
}
.chat-input-container {
padding: 1rem;
gap: 0.5rem;
}
#chatInput {
padding: 0.75rem 1rem;
font-size: 0.9rem;
}
#sendButton {
padding: 0.75rem 1rem;
min-width: 48px;
}
.stat-value {
font-size: 1.25rem;
}
.suggested-item {
padding: 0.5rem 0.75rem;
font-size: 0.8rem;
}
}
@media (max-width: 1024px) {
.sidebar {
width: 280px;
}
}