:root {
    --primary-color: #0f172a;
    --bg-color: #f8fafc;
    --text-main: #1e293b;
    --text-light: #64748b;
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.5);
    --ai-msg-bg: #ffffff;
}
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Inter', sans-serif; }
body { background-color: var(--bg-color); color: var(--text-main); min-height: 100vh; display: flex; justify-content: center; align-items: center; overflow: hidden; }
.container { display: flex; width: 90%; max-width: 1200px; height: 85vh; gap: 4rem; align-items: center; z-index: 1; }
.hero { flex: 1; }
.badge { display: inline-block; padding: 0.5rem 1rem; background: var(--primary-color); color: white; border-radius: 2rem; font-size: 0.85rem; font-weight: 600; margin-bottom: 1.5rem; }
h1 { font-size: 3.5rem; line-height: 1.1; margin-bottom: 1.5rem; }
.hero p { font-size: 1.1rem; line-height: 1.6; color: var(--text-light); margin-bottom: 2.5rem; }
.features { display: flex; gap: 2rem; }
.feature { display: flex; align-items: center; gap: 1rem; }
.icon { font-size: 1.5rem; background: var(--glass-bg); width: 48px; height: 48px; border-radius: 50%; display: flex; justify-content: center; align-items: center; }
.agent-interface { flex: 1; display: flex; justify-content: flex-end; }
.glass-panel { background: var(--glass-bg); backdrop-filter: blur(16px); border: 1px solid var(--glass-border); border-radius: 24px; overflow: hidden; box-shadow: 0 10px 40px rgba(0,0,0,0.1); width: 100%; max-width: 420px; height: 700px; display: flex; flex-direction: column; }
.chat-header { padding: 1.5rem; border-bottom: 1px solid rgba(0,0,0,0.05); display: flex; align-items: center; gap: 1rem; }
.avatar-img { width: 48px; height: 48px; border-radius: 50%; background: var(--primary-color); }
.chat-messages { flex: 1; padding: 1.5rem; overflow-y: auto; display: flex; flex-direction: column; gap: 1rem; }
.message-content { padding: 1rem 1.25rem; border-radius: 18px; font-size: 0.95rem; line-height: 1.5; }
.ai-message { align-self: flex-start; max-width: 85%; }
.ai-message .message-content { background: var(--ai-msg-bg); border-bottom-left-radius: 4px; box-shadow: 0 2px 8px rgba(0,0,0,0.03); }
.user-message { align-self: flex-end; max-width: 85%; }
.user-message .message-content { background: var(--primary-color); color: white; border-bottom-right-radius: 4px; }
.chat-input-area { padding: 1.5rem; border-top: 1px solid rgba(0,0,0,0.05); }
#chat-form { display: flex; gap: 0.75rem; }
#user-input { flex: 1; padding: 1rem; border: 1px solid rgba(0,0,0,0.1); border-radius: 30px; outline: none; background: transparent; color: var(--text-main); }
#send-btn { padding: 0 1.5rem; border-radius: 30px; border: none; background: var(--primary-color); color: white; cursor: pointer; }