:root {
    --bg-dark: #1e1e2e;
    --sidebar-bg: #181825;
    --chat-bg: #1e1e2e;
    --primary: #cba6f7;
    --user-msg: #313244;
    --bot-msg: #45475a;
    --text: #cdd6f4;
    --input-bg: #313244;
}

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

body { background-color: var(--bg-dark); color: var(--text); height: 100vh; display: flex; }

.container { display: flex; width: 100%; height: 100%; }

/* Sidebar */
.sidebar { width: 260px; background-color: var(--sidebar-bg); padding: 20px; display: flex; flex-direction: column; border-right: 1px solid #313244; }
.logo { display: flex; align-items: center; gap: 10px; margin-bottom: 40px; color: var(--primary); }
.btn-primary { background-color: var(--primary); color: #111; border: none; padding: 10px; width: 100%; border-radius: 8px; cursor: pointer; font-weight: bold; transition: 0.3s; }
.btn-primary:hover { opacity: 0.9; transform: scale(1.02); }
.status-text { font-size: 0.8rem; color: #a6adc8; margin-bottom: 10px; }
.sync-msg { margin-top: 10px; font-size: 0.8rem; height: 20px; }

/* Chat Area */
.chat-container { flex: 1; display: flex; flex-direction: column; background-color: var(--chat-bg); }

.chat-box { flex: 1; padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 15px; }

.message { display: flex; gap: 10px; max-width: 80%; }
.message.user { align-self: flex-end; flex-direction: row-reverse; }
.message.bot { align-self: flex-start; }

.avatar { width: 35px; height: 35px; background: #313244; border-radius: 50%; display: flex; align-items: center; justify-content: center; color: var(--primary); }
.message.user .avatar { background: var(--primary); color: #111; }

.bubble { padding: 12px 16px; border-radius: 12px; font-size: 0.95rem; line-height: 1.4; }
.message.user .bubble { background-color: var(--primary); color: #111; border-top-right-radius: 2px; }
.message.bot .bubble { background-color: var(--bot-msg); color: var(--text); border-top-left-radius: 2px; }

/* Input Area */
.input-area { padding: 20px; background-color: var(--sidebar-bg); display: flex; gap: 10px; align-items: center; }
input { flex: 1; padding: 12px; border-radius: 8px; border: 1px solid #45475a; background-color: var(--input-bg); color: white; outline: none; }
input:focus { border-color: var(--primary); }
#sendBtn { background: var(--primary); border: none; width: 45px; height: 45px; border-radius: 8px; cursor: pointer; color: #111; }
#sendBtn:hover { opacity: 0.8; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-thumb { background: #45475a; border-radius: 4px; }

select {
    padding: 8px;
    border-radius: 6px;
    background: #313244;
    color: #cdd6f4;
    border: 1px solid #45475a;
}