.prime-chat-app-container {
    width: 100%;
    min-height: 480px;
    background-color: #f3f4f6;
    border-radius: 16px;
    box-shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
    padding: 32px;
    box-sizing: border-box;
    font-family: Inter, Arial, sans-serif;
}

#prime-chat-app-root {
    width: 100%;
    height: 100%;
}

.prime-chat-auth-shell {
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 420px;
}

.prime-chat-auth-card {
    width: 100%;
    background: #ffffff;
    border-radius: 20px;
    padding: 28px;
    box-shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

.prime-chat-branding {
    margin: 0 0 22px;
    font-size: 24px;
    color: #111827;
    text-align: center;
}

.prime-chat-form {
    display: block;
}

.prime-chat-form h3 {
    margin: 0 0 18px;
    font-size: 20px;
    color: #111827;
}

.prime-chat-form label {
    display: block;
    margin-bottom: 8px;
    color: #4b5563;
    font-size: 14px;
}

.prime-chat-form input {
    width: 100%;
    padding: 12px 14px;
    margin-bottom: 16px;
    border: 1px solid #d1d5db;
    border-radius: 12px;
    font-size: 15px;
    color: #111827;
    background: #fafafa;
    box-sizing: border-box;
}

.prime-chat-button {
    width: 100%;
    border: none;
    border-radius: 12px;
    padding: 14px 18px;
    background: #0f766e;
    color: #ffffff;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    transition: transform 0.2s ease, background 0.2s ease;
}

.prime-chat-button:hover {
    background: #115e59;
    transform: translateY(-1px);
}

.prime-chat-switch-text {
    margin-top: 14px;
    color: #6b7280;
    font-size: 14px;
    text-align: center;
}

.prime-chat-switch-text a {
    color: #0f766e;
    text-decoration: none;
    font-weight: 600;
}

.prime-chat-message {
    min-height: 20px;
    margin-bottom: 14px;
    font-size: 14px;
}

.prime-chat-message-error {
    color: #b91c1c;
}

.prime-chat-message-success {
    color: #166534;
}