app/frontend/style.css

/* FinBot Frontend Styles */

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: #333;
}

.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: white;
}

/* Header */
.app-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.header-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.header-content p {
    font-size: 0.95rem;
    opacity: 0.9;
}

.user-info {
    display: flex;
    gap: 1rem;
    align-items: center;
}

#userSelect {
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    cursor: pointer;
    font-size: 0.95rem;
}

#userSelect option {
    color: #333;
}

#logoutBtn {
    padding: 0.5rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid white;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

#logoutBtn:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Login Screen */
.login-screen {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    padding: 2rem;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

.login-box {
    background: white;
    border-radius: 12px;
    padding: 3rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
}

.login-box h2 {
    margin-bottom: 1rem;
    color: #667eea;
    font-size: 2rem;
}

.login-box p {
    color: #666;
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.users-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.user-btn {
    padding: 1.5rem;
    border: 2px solid #ddd;
    border-radius: 8px;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
}

.user-btn:hover {
    border-color: #667eea;
    background: #f8f9fa;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.user-btn strong {
    display: block;
    color: #667eea;
    margin-bottom: 0.25rem;
}

.user-btn small {
    display: block;
    color: #999;
    font-size: 0.85rem;
}

/* Chat Interface */
.chat-interface {
    display: flex;
    flex: 1;
    overflow: hidden;
}

.chat-container {
    display: flex;
    width: 100%;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: white;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow-y: auto;
}

.sidebar-section {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #eee;
}

.sidebar-section:last-child {
    border-bottom: none;
}

.sidebar-section h3 {
    font-size: 0.95rem;
    color: #333;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.user-profile p {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: #666;
}

.user-profile span {
    color: #667eea;
    font-weight: 600;
}

.collections-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.collection-tag {
    display: inline-block;
    padding: 0.5rem 0.75rem;
    background: #f0f3ff;
    color: #667eea;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.status-indicator {
    color: #4CAF50;
    font-size: 1.5rem;
    margin-right: 0.5rem;
}

/* Main Chat Area */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    overflow: hidden;
}

.guardrail-warnings {
    padding: 1rem;
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    margin-bottom: 1rem;
    border-radius: 4px;
}

.guardrail-warnings p {
    color: #856404;
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.guardrail-warnings p:last-child {
    margin-bottom: 0;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.message {
    display: flex;
    margin-bottom: 1rem;
    animation: slideIn 0.3s ease;
}

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

.message.user {
    justify-content: flex-end;
}

.message-content {
    max-width: 70%;
    padding: 1rem;
    border-radius: 8px;
    word-wrap: break-word;
}

.message.user .message-content {
    background: #667eea;
    color: white;
    border-bottom-right-radius: 4px;
}

.message.assistant .message-content {
    background: #f0f0f0;
    color: #333;
    border-bottom-left-radius: 4px;
}

.message.system .message-content {
    background: #e3f2fd;
    color: #1976d2;
    border-radius: 8px;
}

.system-message {
    padding: 1.5rem;
    background: #e3f2fd;
    border-left: 4px solid #1976d2;
    border-radius: 4px;
    color: #1976d2;
}

.system-message ul {
    margin: 1rem 0 0 1.5rem;
    padding-left: 0;
}

.system-message li {
    margin-bottom: 0.5rem;
}

.message-metadata {
    font-size: 0.85rem;
    color: #999;
    margin-top: 0.5rem;
    padding-top: 0.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.sources {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: rgba(0, 0, 0, 0.05);
    border-radius: 4px;
    font-size: 0.85rem;
}

.source-item {
    margin-bottom: 0.25rem;
    color: #666;
}

.source-item strong {
    color: #333;
}

.route-badge {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: #667eea;
    color: white;
    border-radius: 12px;
    font-size: 0.75rem;
    margin-right: 0.5rem;
}

.warning-banner {
    padding: 0.75rem;
    background: #fff3cd;
    border-left: 3px solid #ffc107;
    border-radius: 4px;
    color: #856404;
    font-size: 0.9rem;
    margin-top: 0.75rem;
}

/* Query Input Area */
.query-input-area {
    padding: 1.5rem;
    background: #f8f9fa;
    border-top: 1px solid #ddd;
}

.input-group {
    display: flex;
    gap: 0.75rem;
}

.query-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 2px solid #ddd;
    border-radius: 6px;
    font-size: 0.95rem;
    transition: border-color 0.3s ease;
}

.query-input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.send-btn {
    padding: 0.75rem 1.5rem;
    background: #667eea;
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.send-btn:hover {
    background: #5568d3;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.send-btn:active {
    transform: translateY(0);
}

.loading-indicator {
    margin-top: 0.75rem;
    color: #667eea;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: flex !important;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    max-width: 600px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    position: relative;
}

.close {
    position: absolute;
    right: 1.5rem;
    top: 1.5rem;
    font-size: 2rem;
    cursor: pointer;
    color: #999;
}

.close:hover {
    color: #333;
}

/* Responsive Design */
@media (max-width: 768px) {
    .chat-container {
        flex-direction: column;
    }

    .sidebar {
        width: 100%;
    }

    .message-content {
        max-width: 90% !important;
    }

    .login-box {
        padding: 2rem 1.5rem;
    }

    .users-list {
        grid-template-columns: 1fr;
    }

    .app-header {
        flex-direction: column;
        gap: 1rem;
    }
}

/* Scrollbar Styling */
.chat-messages::-webkit-scrollbar,
.sidebar::-webkit-scrollbar {
    width: 8px;
}

.chat-messages::-webkit-scrollbar-track,
.sidebar::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.chat-messages::-webkit-scrollbar-thumb,
.sidebar::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 4px;
}

.chat-messages::-webkit-scrollbar-thumb:hover,
.sidebar::-webkit-scrollbar-thumb:hover {
    background: #555;
}