.uaa-widget {
    --uaa-bg: #ffffff;
    --uaa-text: #1f2937;
    --uaa-muted: #6b7280;
    --uaa-border: #e5e7eb;
    --uaa-primary: #111827;
    --uaa-primary-text: #ffffff;
    font-family: inherit;
    color: var(--uaa-text);
}

.uaa-floating {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: 999999;
}

.uaa-inline {
    max-width: 430px;
    width: 100%;
}

.uaa-bubble {
    width: 62px;
    height: 62px;
    border-radius: 999px;
    border: none;
    background: var(--uaa-primary);
    color: var(--uaa-primary-text);
    font-size: 26px;
    cursor: pointer;
    box-shadow: 0 10px 25px rgba(0,0,0,.25);
}

.uaa-panel {
    width: min(410px, calc(100vw - 28px));
    height: 590px;
    max-height: calc(100vh - 100px);
    background: var(--uaa-bg);
    border: 1px solid var(--uaa-border);
    border-radius: 18px;
    box-shadow: 0 18px 45px rgba(0,0,0,.22);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.uaa-inline .uaa-panel {
    width: 100%;
    max-height: none;
}

.uaa-floating .uaa-panel {
    position: absolute;
    right: 0;
    bottom: 78px;
}

.uaa-panel-hidden {
    display: none;
}

.uaa-header {
    background: var(--uaa-primary);
    color: var(--uaa-primary-text);
    padding: 14px 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.uaa-header strong,
.uaa-header span {
    display: block;
}

.uaa-header span {
    opacity: .8;
    font-size: 13px;
}

.uaa-close {
    border: none;
    background: transparent;
    color: var(--uaa-primary-text);
    font-size: 28px;
    cursor: pointer;
}

.uaa-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    background: #f9fafb;
}

.uaa-message {
    max-width: 88%;
    margin: 0 0 10px;
    padding: 10px 12px;
    border-radius: 14px;
    line-height: 1.4;
    font-size: 14px;
    word-break: break-word;
}

.uaa-message a {
    color: inherit;
    text-decoration: underline;
}

.uaa-assistant {
    background: #ffffff;
    border: 1px solid var(--uaa-border);
    margin-right: auto;
}

.uaa-user {
    background: var(--uaa-primary);
    color: var(--uaa-primary-text);
    margin-left: auto;
}

.uaa-starters {
    padding: 10px 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    border-top: 1px solid var(--uaa-border);
    background: #fff;
}

.uaa-starters button {
    border: 1px solid var(--uaa-border);
    background: #ffffff;
    color: var(--uaa-text);
    border-radius: 999px;
    padding: 7px 10px;
    font-size: 13px;
    cursor: pointer;
}

.uaa-starters button:hover {
    background: #f3f4f6;
}

.uaa-form {
    display: flex;
    gap: 8px;
    padding: 12px;
    border-top: 1px solid var(--uaa-border);
    background: #ffffff;
}

.uaa-form input {
    flex: 1;
    border: 1px solid var(--uaa-border);
    border-radius: 999px;
    padding: 10px 12px;
    min-width: 0;
}

.uaa-form button {
    border: none;
    border-radius: 999px;
    padding: 10px 14px;
    background: var(--uaa-primary);
    color: var(--uaa-primary-text);
    cursor: pointer;
}

.uaa-form button:disabled,
.uaa-form input:disabled {
    opacity: .6;
    cursor: not-allowed;
}

@media (max-width: 520px) {
    .uaa-floating {
        right: 12px;
        bottom: 12px;
    }
    .uaa-floating .uaa-panel {
        right: -2px;
        bottom: 72px;
        width: calc(100vw - 24px);
        height: min(590px, calc(100vh - 92px));
    }
}