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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #fff;
    background: #181a20;
}

.container {
    max-width: 600px;
    margin: 2rem auto;
    padding: 0 1rem;
}

h1 {
    text-align: center;
    margin-bottom: 2rem;
    color: #fff;
}

.recording-section {
    text-align: center;
    margin-bottom: 2rem;
}

.record-button {
    background-color: #e74c3c;
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin: 0 auto;
}

.record-button:hover {
    background-color: #c0392b;
}

.record-button.recording {
    background-color: #2ecc71;
    animation: pulse 1.5s infinite;
}

.record-icon {
    font-size: 1.5rem;
}

.recording-status {
    margin-top: 1rem;
    color: #666;
}

.conversation-section {
    background: #23272f;
    border-radius: 10px;
    padding: 1.5rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.conversation-list {
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.conversation-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.bubble {
    padding: 1rem 1.2rem;
    border-radius: 18px;
    max-width: 80%;
    word-break: break-word;
    font-size: 1.05rem;
    margin-bottom: 0.2rem;
}

.bubble.user {
    background: #1976d2;
    color: #fff;
    align-self: flex-end;
    border-bottom-right-radius: 6px;
}

.bubble.n8n {
    background: #323843;
    color: #fff;
    align-self: flex-start;
    border-bottom-left-radius: 6px;
}

.timestamp {
    font-size: 0.85rem;
    color: #b0b0b0;
    margin: 0 0.5rem;
    align-self: flex-end;
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}