:root {
    --bg-color: #0b0e11;
    --sidebar-color: #15191c;
    --accent-color: #00ff88;
    --text-color: #e9ecef;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', sans-serif;
    margin: 0;
    display: flex;
    height: 100vh;
}

.sidebar { width: 260px; background: var(--sidebar-color); padding: 20px; display: flex; flex-direction: column; border-left: 1px solid #333; }
.main-logo { width: 80px; border-radius: 50%; margin-bottom: 10px; }

nav ul { list-style: none; padding: 0; }
nav li { padding: 15px; cursor: pointer; border-radius: 8px; transition: 0.3s; margin-bottom: 5px; }
nav li:hover, nav li.active { background: #232a2f; color: var(--accent-color); }

.coming-soon span { font-size: 10px; background: var(--accent-color); color: #000; padding: 2px 6px; border-radius: 4px; margin-right: 10px; }

.social-icons { margin-top: auto; display: flex; justify-content: space-around; font-size: 20px; }
.social-icons a { color: var(--text-color); transition: 0.3s; }
.social-icons a:hover { color: var(--accent-color); }

.chat-container { flex: 1; display: flex; flex-direction: column; padding: 20px; }
.chat-header { text-align: center; margin-bottom: 30px; }
.header-logo { width: 70px; border-radius: 50%; box-shadow: 0 0 15px var(--accent-color); }

.chat-box { flex: 1; overflow-y: auto; padding: 20px; display: flex; flex-direction: column; gap: 15px; }
.message { padding: 12px 18px; border-radius: 15px; max-width: 75%; line-height: 1.6; position: relative; }
.user { align-self: flex-end; background: var(--accent-color); color: #000; }
.bot { align-self: flex-start; background: #232a2f; display: flex; align-items: center; gap: 10px; border: 1px solid #444; }
.bot img { width: 28px; border-radius: 50%; }

.input-area { display: flex; gap: 10px; background: #1e2327; padding: 12px; border-radius: 15px; margin-bottom: 10px; }
input { flex: 1; background: transparent; border: none; color: white; outline: none; font-size: 16px; }
button { background: var(--accent-color); border: none; padding: 10px 25px; border-radius: 10px; cursor: pointer; font-size: 18px; transition: 0.3s; }
button:hover { transform: scale(1.05); }

footer { text-align: center; padding: 10px; font-size: 12px; color: #777; }