body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #1a1a1a;
    color: #e0e0e0;
    margin: 0;
    display: flex;
    justify-content: center;
    height: 100vh;
    height: 100dvh;
    overflow: hidden;
}

.container {
    width: 100%;
    max-width: 600px;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #2d2d2d;
    box-shadow: 0 0 20px rgba(0,0,0,0.5);
}

header {
    padding: 20px;
    background-color: #3d3d3d;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #444;
}

.avatar-container {
    display: flex;
    justify-content: center;
    padding: 10px;
    background-color: #2d2d2d;
}

.gigi-avatar {
    width: 100px;
    height: 100px;
}

h1 {
    margin: 0;
    font-size: 1.2rem;
    color: #b19cd9; /* Pastel purple */
}

.controls {
    font-size: 0.9rem;
}

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

.message {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 15px;
    line-height: 1.4;
}

.message.user {
    align-self: flex-end;
    background-color: #4a4a4a;
    border-bottom-right-radius: 2px;
}

.message.gigi {
    align-self: flex-start;
    background-color: #5e3c58; /* Dark purple */
    border-bottom-left-radius: 2px;
}

.message.system {
    align-self: center;
    background-color: transparent;
    color: #888;
    font-style: italic;
}

.translation {
    display: block;
    margin-top: 5px;
    font-size: 0.85em;
    color: #ccc;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 5px;
}

.input-area {
    padding: 20px;
    background-color: #3d3d3d;
    display: flex;
    gap: 10px;
}

input[type="text"] {
    flex: 1;
    padding: 10px;
    border-radius: 5px;
    border: 1px solid #555;
    background-color: #222;
    color: white;
    font-size: 16px; /* Prevent zoom on iOS */
}

button {
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    transition: background-color 0.2s;
}

#send-btn {
    background-color: #b19cd9;
    color: #1a1a1a;
}

#send-btn:hover {
    background-color: #cbb2f0;
}

#record-btn {
    background-color: #ff6b6b;
    color: white;
}

#record-btn.recording {
    background-color: #ff0000;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { opacity: 1; }
    50% { opacity: 0.5; }
    100% { opacity: 1; }
}

@media (max-width: 600px) {
    .gigi-avatar {
        width: 60px;
        height: 60px;
    }

    header {
        padding: 10px;
    }

    .input-area {
        padding: 10px;
    }

    h1 {
        font-size: 1rem;
    }
    
    .chat-box {
        padding: 10px;
    }
}