:root {
    --primary-color: #0054A6; /* Oteko blue */
    --secondary-color: #F5F5F5; /* Light gray background */
    --accent-color: #FFD100; /* Oteko yellow */
    --text-color: #333333;
    --text-light: #777777;
    --error-color: #D32F2F;
    --success-color: #388E3C;
    --sidebar-width: 280px;
    --header-height: 80px;
    --border-radius: 4px;
    --box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

body {
    font-family: 'Roboto', 'Arial', sans-serif;
    background-color: #FFFFFF;
    color: var(--text-color);
    line-height: 1.6;
    height: 100vh;
    overflow: hidden;
}

/* Header Styles */
.app-header {
    display: flex;
    align-items: center;
    height: var(--header-height);
    padding: 0 40px;
    background-color: #FFFFFF;
    box-shadow: var(--box-shadow);
    position: relative;
    z-index: 100;
}

.logo-container {
    height: 55px;
    margin-right: 30px;
}

.logo-container img {
    height: 100%;
    width: auto;
}

.app-title {
    font-size: 22px;
    font-weight: 500;
    color: var(--primary-color);
    flex-grow: 1;
}

/* User Badge with Popup Menu */
.user-badge {
    display: flex;
    align-items: center;
    background-color: #F5F9FF;
    padding: 8px 12px;
    border-radius: 20px;
    color: var(--primary-color);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    user-select: none;
}

.user-badge i {
    margin-right: 8px;
    color: var(--primary-color);
}

.user-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    width: 200px;
    z-index: 1000;
    display: none;
    margin-top: 5px;
    overflow: hidden;
}

.user-menu.show {
    display: block;
}

.user-menu-item {
    padding: 10px 15px;
    cursor: pointer;
    display: flex;
    align-items: center;
    color: var(--text-color);
    transition: all 0.2s;
}

.user-menu-item i {
    margin-right: 10px;
    width: 16px;
    text-align: center;
}

.user-menu-item:hover {
    background-color: #F5F5F5;
    color: var(--primary-color);
}

.user-menu-divider {
    height: 1px;
    background-color: #E0E0E0;
    margin: 0;
}

/* Main Layout */
.main-container {
    display: flex;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

/* Sidebar Styles */
.sidebar {
    width: var(--sidebar-width);
    background-color: #FFFFFF;
    border-right: 1px solid #E0E0E0;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.sidebar-header {
    padding: 20px;
    background-color: var(--primary-color);
    color: #FFFFFF;
    font-size: 16px;
    font-weight: 500;
}

.conversation-list {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
}

.conversation-item {
    padding: 12px 15px;
    margin-bottom: 8px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

.conversation-item:hover {
    background-color: #F5F9FF;
}

.conversation-item.active {
    background-color: #E6F0FF;
    border-left: 3px solid var(--primary-color);
}

.conversation-title {
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    color: var(--primary-color);
}

.conversation-desc {
    font-size: 13px;
    color: var(--text-light);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.new-chat-btn {
    padding: 12px 15px;
    margin: 15px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.new-chat-btn:hover {
    background-color: #004080;
}

.new-chat-btn i {
    margin-right: 8px;
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 15px;
    text-align: center;
    font-size: 12px;
    color: var(--text-light);
    border-top: 1px solid #E0E0E0;
    margin-top: auto;
}

/* Chat Area Styles */
.chat-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    background-color: #FAFAFA;
}

.chat-header {
    padding: 15px 25px;
    background-color: #FFFFFF;
    color: var(--primary-color);
    font-weight: 500;
    font-size: 16px;
    border-bottom: 1px solid #E0E0E0;
}

.chat-area {
    flex: 1;
    padding: 20px 25px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.message {
    max-width: 75%;
    padding: 15px 20px;
    border-radius: var(--border-radius);
    line-height: 1.5;
    position: relative;
    font-size: 15px;
}

.user-message {
    align-self: flex-end;
    background-color: var(--primary-color);
    color: white;
    border-bottom-right-radius: 0;
}

.assistant-message {
    align-self: flex-start;
    background-color: #FFFFFF;
    color: var(--text-color);
    border: 1px solid #E0E0E0;
    border-bottom-left-radius: 0;
    box-shadow: var(--box-shadow);
}

.message-feedback {
    display: flex;
    gap: 10px;
    margin-top: 12px;
    justify-content: flex-end;
}

.feedback-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: #B0B0B0;
    font-size: 16px;
    transition: all 0.2s;
    padding: 4px;
    display: flex;
    align-items: center;
}

.feedback-btn:hover {
    color: var(--primary-color);
}

.feedback-btn.positive.active {
    color: var(--success-color);
}

.feedback-btn.negative.active {
    color: var(--error-color);
}

.feedback-btn.active i {
    transform: scale(1.1);
}

/* Chat Input */
.chat-input-container {
    display: flex;
    padding: 15px 25px;
    background-color: #FFFFFF;
    border-top: 1px solid #E0E0E0;
}

#user-input {
    flex: 1;
    padding: 12px 18px;
    border: 1px solid #E0E0E0;
    border-radius: var(--border-radius);
    outline: none;
    font-size: 15px;
    transition: border-color 0.2s;
}

#user-input:focus {
    border-color: var(--primary-color);
}

#send-button {
    margin-left: 12px;
    padding: 12px 20px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 15px;
    transition: background-color 0.2s;
}

#send-button:hover {
    background-color: #004080;
}

/* Status and Typing Indicators */
.typing-indicator {
    align-self: flex-start;
    background-color: #FFFFFF;
    color: var(--text-light);
    padding: 12px 18px;
    border-radius: var(--border-radius);
    font-size: 14px;
    border: 1px solid #E0E0E0;
    box-shadow: var(--box-shadow);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.typing-indicator i {
    color: var(--primary-color);
}

.connection-status {
    padding: 10px 25px;
    background-color: #FFFFFF;
    text-align: center;
    font-size: 13px;
    color: var(--text-light);
    border-top: 1px solid #E0E0E0;
}

/* Authentication Modal */
.auth-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.auth-container {
    background-color: white;
    padding: 30px;
    border-radius: var(--border-radius);
    width: 400px;
    box-shadow: var(--box-shadow);
}

.auth-container h2 {
    margin-bottom: 25px;
    color: var(--primary-color);
    text-align: center;
    font-weight: 500;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.auth-form input {
    padding: 12px 15px;
    border: 1px solid #E0E0E0;
    border-radius: var(--border-radius);
    font-size: 15px;
    transition: border-color 0.2s;
}

.auth-form input:focus {
    border-color: var(--primary-color);
    outline: none;
}

.auth-form button {
    padding: 12px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    font-size: 15px;
    cursor: pointer;
    margin-top: 10px;
    font-weight: 500;
    transition: background-color 0.2s;
}

.auth-form button:hover {
    background-color: #004080;
}

.auth-error {
    color: var(--error-color);
    margin-top: 10px;
    text-align: center;
    font-size: 14px;
    display: none;
}

.hidden {
    display: none !important;
}

/* Prompt editor */

#prompt-edit-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.prompt-modal-content {
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    width: 90%;
    max-width: 700px;
    max-height: 90vh;
    overflow-y: auto;
}

.prompt-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    border-bottom: 1px solid #e5e5e5;
}

.prompt-modal-header h3 {
    margin: 0;
    font-size: 1.25rem;
    color: #333;
}

.prompt-close {
    font-size: 1.5rem;
    font-weight: bold;
    color: #777;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0 8px;
}

.prompt-close:hover {
    color: #333;
}

.prompt-modal-body {
    padding: 24px;
}

.prompt-form-group {
    margin-bottom: 20px;
}

.prompt-form-control {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
    line-height: 1.5;
    transition: border-color 0.3s;
}

.prompt-form-control:focus {
    border-color: #4a90e2;
    outline: none;
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.2);
}

#prompt-text-content {
    min-height: 200px;
    resize: vertical;
    font-family: inherit;
}

.prompt-form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
}

.prompt-btn {
    padding: 10px 16px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    border: 1px solid transparent;
}

.prompt-btn-primary {
    background-color: #4a90e2;
    color: white;
}

.prompt-btn-primary:hover {
    background-color: #3a7bc8;
}

.prompt-btn-secondary {
    background-color: #f0f0f0;
    color: #333;
    border-color: #ddd;
}

.prompt-btn-secondary:hover {
    background-color: #e0e0e0;
}

.prompt-btn-outline {
    background-color: transparent;
    color: #4a90e2;
    border-color: #4a90e2;
}

.prompt-btn-outline:hover {
    background-color: rgba(74, 144, 226, 0.1);
}

.prompt-error-message {
    color: #e74c3c;
    font-size: 0.875rem;
    margin-top: 12px;
    padding: 8px 12px;
    background-color: rgba(231, 76, 60, 0.1);
    border-radius: 4px;
    display: none;
}

/* Loading dots animation */
.typing-dots {
    display: inline-flex;
    gap: 4px;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background-color: var(--primary-color);
    border-radius: 50%;
    display: inline-block;
    animation: bounce 1.4s infinite ease-in-out both;
}

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

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

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

/* Typing indicator above input */
.typing-status {
    padding: 8px 25px;
    background-color: #FFFFFF;
    font-size: 14px;
    color: var(--text-light);
    border-bottom: 1px solid #E0E0E0;
    display: none;
    align-items: center;
    gap: 8px;
}

.typing-status.show {
    display: flex;
}

/* Markdown styling */
.message-content {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.message-content h1, 
.message-content h2, 
.message-content h3 {
    margin: 1em 0 0.5em 0;
    font-weight: bold;
    color: inherit;
}

.message-content h1 {
    font-size: 1.5em;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.3em;
}

.message-content h2 {
    font-size: 1.3em;
    border-bottom: 1px solid #eee;
    padding-bottom: 0.3em;
}

.message-content h3 {
    font-size: 1.1em;
}

.message-content p {
    margin: 0 0 1em 0;
}

.message-content ul, 
.message-content ol {
    padding-left: 2em;
    margin: 0 0 1em 0;
}

.message-content li {
    margin: 0.25em 0;
}

.message-content blockquote {
    margin: 0 0 1em 0;
    padding: 0 1em;
    color: #6a737d;
    border-left: 0.25em solid #dfe2e5;
}

.message-content code {
    font-family: monospace;
    background-color: rgba(27, 31, 35, 0.05);
    border-radius: 3px;
    padding: 0.2em 0.4em;
    font-size: 85%;
}

.message-content pre {
    background-color: #f6f8fa;
    border-radius: 3px;
    padding: 1em;
    overflow: auto;
    margin: 0 0 1em 0;
}

.message-content pre code {
    background-color: transparent;
    padding: 0;
    border-radius: 0;
}

.message-content a {
    color: #0366d6;
    text-decoration: none;
}

.message-content a:hover {
    text-decoration: underline;
}

.message-content strong {
    font-weight: bold;
}

.message-content em {
    font-style: italic;
}