:root {
    --primary-color: #1a2b3c;
    --secondary-color: #2a3b4c;
    --accent-color: #3498db;
    --text-color: #ffffff;
    --border-color: rgba(255, 255, 255, 0.1);
    --input-bg: rgba(255, 255, 255, 0.05);
    --hover-bg: rgba(255, 255, 255, 0.1);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--primary-color);
    color: var(--text-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Styles */
.header {
    background-color: var(--secondary-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-icon {
    font-size: 1.5rem;
    color: var(--accent-color);
}

.title {
    font-size: 1.5rem;
    font-weight: bold;
}

.status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    background-color: #2ecc71;
    border-radius: 50%;
}

/* Main Container */
.container {
    display: flex;
    flex: 1;
    position: relative;
}

/* Sidebar Styles */
.sidebar {
    width: 250px;
    background-color: var(--secondary-color);
    padding: 2rem 1rem;
    border-right: 1px solid var(--border-color);
}

.features-title {
    margin-bottom: 1rem;
    padding-left: 1rem;
}

.features-list {
    list-style: none;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 2rem;
}

.greeting {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.subtext {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 2rem;
}

/* Chat Section */
.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0;
}

.message {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background-color: var(--accent-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.message-content {
    background-color: var(--secondary-color);
    padding: 1rem;
    border-radius: 12px;
    max-width: 70%;
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.action-button {
    padding: 0.5rem 1rem;
    background-color: var(--secondary-color);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.action-button:hover {
    background-color: var(--hover-bg);
}

/* Input Section */
.input-section {
    background-color: var(--secondary-color);
    padding: 1rem 2rem;
    border-top: 1px solid var(--border-color);
}

.input-container {
    display: flex;
    align-items: center;
    gap: 1rem;
    background-color: var(--input-bg);
    padding: 0.75rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

.input-field {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
}

.input-button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.input-button:hover {
    background-color: var(--hover-bg);
}

.send-button {
    background-color: var(--accent-color);
}

.send-button:hover {
    background-color: #2980b9;
}

/* Footer */
.footer {
    background-color: var(--secondary-color);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
}

.footer-links {
    display: flex;
    gap: 1rem;
}

.footer-link {
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.7;
    transition: var(--transition);
}

.footer-link:hover {
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .main-content {
        padding: 1rem;
    }

    .message-content {
        max-width: 85%;
    }

    .input-section {
        padding: 1rem;
    }
}