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

body {
    background: #050b16;
    color: #ffffff;
    font-family: Arial, sans-serif;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 500px;
    min-height: 100vh;
    padding: 35px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    background: radial-gradient(circle, #102b4b 0%, #050b16 70%);
}

h1 {
    font-size: 38px;
    letter-spacing: 7px;
    color: #00d9ff;
    text-shadow: 0 0 15px #00aaff;
    margin-top: 25px;
}

.subtitle {
    color: #8caecb;
    letter-spacing: 4px;
    font-size: 11px;
    margin-top: 12px;
}

.core {
    width: 220px;
    height: 220px;
    border: 3px solid #00cfff;
    border-radius: 50%;
    margin: 65px 0 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 0 20px #00aaff,
                inset 0 0 25px #0077ff;
    animation: glow 2s infinite alternate;
}

.circle {
    width: 145px;
    height: 145px;
    border: 3px solid #ffffff;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 65px;
    color: #00e5ff;
    text-shadow: 0 0 20px #00e5ff;
}

@keyframes glow {
    from {
        box-shadow: 0 0 10px #00aaff;
    }
    to {
        box-shadow: 0 0 40px #00aaff,
                    inset 0 0 30px #0077ff;
    }
}

#status {
    color: #00ffae;
    letter-spacing: 3px;
    font-size: 13px;
    margin-bottom: 25px;
}

.chat-box {
    width: 100%;
    min-height: 100px;
    max-height: 220px;
    overflow-y: auto;
    background: rgba(0, 30, 60, 0.7);
    border: 1px solid #007dbb;
    border-radius: 12px;
    padding: 18px;
    color: #b8eaff;
    margin-bottom: 20px;
    line-height: 1.7;
}

.controls {
    width: 100%;
    display: flex;
    gap: 8px;
}

input {
    flex: 1;
    min-width: 0;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #00cfff;
    background: #101d30;
    color: white;
    outline: none;
}

button {
    background: #007dbb;
    color: white;
    border: none;
    padding: 14px;
    border-radius: 10px;
    font-weight: bold;
    cursor: pointer;
}

button:active {
    transform: scale(0.96);
}

#micBtn {
    width: 100%;
    margin-top: 18px;
    padding: 17px;
    border: 1px solid #00d9ff;
    background: transparent;
    color: #00e5ff;
    letter-spacing: 2px;
    box-shadow: 0 0 12px #0077ff;
  }