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

body {
    background-color: #16181d;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 100vh;
    gap: 10px;
    font-family: 'JetBrains Mono', 'SF Mono', Consolas, monospace;
}

/* Art. 50(1) transparency disclosure -- small and muted, must not compete
   with the chat itself for attention. */
#ai-disclosure {
    width: 90%;
    max-width: 640px;
    text-align: center;
    font-size: 12px;
    color: #5c6370;
}

/* Art. 5(1)(e)/13 GDPR data-retention disclosure -- same muted treatment
   as #ai-disclosure, directly below it. */
#gdpr-disclosure {
    width: 90%;
    max-width: 640px;
    text-align: center;
    font-size: 12px;
    color: #5c6370;
}

#gdpr-disclosure a {
    color: inherit;
}

#chat-container {
    width: 90%;
    max-width: 640px;
    background-color: #1c1f26;
    border: 1px solid #2a2e37;
    border-radius: 6px;
    display: flex;
    flex-direction: column;
    height: 82vh;
    overflow: hidden;
}

#messages {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* thin, quiet scrollbar instead of the default chunky browser one */
#messages::-webkit-scrollbar {
    width: 6px;
}
#messages::-webkit-scrollbar-thumb {
    background-color: #2a2e37;
    border-radius: 3px;
}

.message {
    padding: 10px 14px;
    border-radius: 4px;
    max-width: 75%;
    font-size: 14px;
    line-height: 1.5;
    white-space: pre-wrap;
}

.message.user {
    background-color: #2a2e37;
    color: #e8e9ec;
    margin-left: auto;
    border-bottom-right-radius: 0;
}

.message.bot {
    background-color: transparent;
    border: 1px solid #2a2e37;
    color: #9fe0a0;
    margin-right: auto;
    border-bottom-left-radius: 0;
}

.message.bot::before {
    content: "> ";
    color: #5c6370;
}

#chat-form {
    display: flex;
    border-top: 1px solid #2a2e37;
    padding: 12px;
    gap: 10px;
}

#user-input {
    flex: 1;
    padding: 10px 12px;
    border: 1px solid #2a2e37;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    background-color: #16181d;
    color: #e8e9ec;
}

#user-input:focus {
    outline: none;
    border-color: #5c6370;
}

#user-input::placeholder {
    color: #5c6370;
}

#chat-form button {
    padding: 10px 18px;
    border: none;
    background-color: #9fe0a0;
    color: #16181d;
    cursor: pointer;
    border-radius: 4px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 600;
}

#chat-form button:hover {
    background-color: #b6ecb7;
}