.agent-chat-message {
    margin: 0 0 1.2rem;
}

.agent-chat-message--user {
    display: flex;
    justify-content: flex-end;
}

.agent-chat-user-bubble {
    max-width: min(82%, 660px);
    padding: .75rem 1rem;
    border-radius: 1rem 1rem .25rem 1rem;
    background: var(--gold-100);
    color: var(--gold-900);
    overflow-wrap: anywhere;
    white-space: pre-wrap;
    font-size: .90rem;
}

.agent-chat-response {
    padding: .15rem 0 .25rem;
    color: #24262c;
}

.agent-chat-response-body {
    max-width: 100%;
    line-height: 1.65;
    overflow-wrap: anywhere;
}

.agent-chat-response.is-streaming .agent-chat-response-body::after {
    display: inline-block;
    width: .4rem;
    height: 1rem;
    margin-left: .2rem;
    background: var(--primary-700);
    content: "";
    vertical-align: -.12rem;
    animation: agent-chat-blink .8s steps(2) infinite;
}

.agent-chat-activity {
    margin: .2rem 0 1rem;
    /* border: 1px solid #e1e3e8;
    border-radius: .65rem; */
    background: none;
    color: var(--secondary-500);
    font-size: .83rem;
}

.agent-chat-activity > summary {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem .8rem;
    cursor: pointer;
    font-weight: 400;
    list-style: none;
}

.agent-chat-activity > summary::-webkit-details-marker { display: none; }

.agent-chat-activity > summary::before {
    display: inline-block;
    color: #7d828d;
    content: "›";
    font-size: 1.2em;
    line-height: 1;
    transition: transform .15s ease;
}

.agent-chat-activity[open] > summary::before { transform: rotate(90deg); }
.agent-chat-activity-fire {
    animation: agent-chat-fire-pulse 1.25s ease-in-out infinite;
    color: var(--primary-700);
    transform-origin: center;
}

.agent-chat-activity.is-complete > summary .agent-chat-activity-fire {
    display: none;
}

.agent-chat-activity-body {
    padding: 0 .8rem .75rem;
}

.agent-chat-activity-thinking {
    border-top: 1px solid #dde0e5;
}

.agent-chat-activity-label {
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .55rem 0;
    cursor: pointer;
    font-weight: 700;
    list-style: none;
}

.agent-chat-activity-label::-webkit-details-marker { display: none; }

.agent-chat-activity-label::before {
    display: inline-block;
    content: "›";
    font-size: 1.15em;
    line-height: 1;
    transition: transform .15s ease;
}

.agent-chat-activity-thinking[open] > .agent-chat-activity-label::before {
    transform: rotate(90deg);
}

.agent-chat-activity-thinking-text {
    padding: 0 0 .7rem 1rem;
    line-height: 1.5;
    white-space: pre-wrap;
}

.agent-chat-activity-tool {
    display: flex;
    align-items: center;
    gap: .55rem;
    padding: .55rem 0;
    border-top: 1px solid #dde0e5;
    color: #676c76;
    font-size: .82rem;
}

.agent-chat-activity-tool.is-complete i { color: #27845b; }
.agent-chat-activity-tool.is-pending i { animation: agent-chat-spin 1s linear infinite; }

.agent-chat-error {
    margin: .5rem 0 1rem;
    padding: .75rem 1rem;
    border: 1px solid #f1b6bb;
    border-radius: .65rem;
    background: #fff1f2;
    color: #9c2f38;
    font-size: .82rem;
}

.agent-chat-attachment-row {
    display: flex;
}

.agent-chat-attachment {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: .75rem;
    width: min(100%, 30rem);
    padding: .75rem;
    border: 1px solid var(--primary-200);
    border-radius: .85rem;
    background: #fff;
    color: var(--secondary-900);
    text-decoration: none;
    box-shadow: 0 5px 18px rgba(28, 31, 38, .06);
}

.agent-chat-attachment:hover,
.agent-chat-attachment:focus-visible {
    border-color: var(--primary-500);
    color: var(--secondary-900);
    box-shadow: 0 7px 22px rgba(28, 31, 38, .1);
}

.agent-chat-attachment-icon {
    display: grid;
    width: 2.65rem;
    height: 2.65rem;
    place-items: center;
    border-radius: .65rem;
    background: var(--primary-50);
    color: var(--primary-700);
    font-size: 1.15rem;
}

.agent-chat-attachment-text {
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: .12rem;
}

.agent-chat-attachment-text strong {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.agent-chat-attachment-text small {
    color: var(--secondary-500);
}

.agent-chat-attachment-action {
    color: var(--primary-700);
    font-size: .85rem;
}

.agent-chat-composer-wrap {
    position: relative;
    z-index: 5;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    background: #f8f9fb;
}

.agent-chat-composer {
    display: flex;
    align-items: flex-end;
    gap: .6rem;
    box-sizing: border-box;
    width: 100%;
    min-width: 0;
    padding: .65rem;
    border: 1px solid #d7dae0;
    border-radius: 1rem;
    background: #fff;
    box-shadow: 0 8px 28px rgba(28, 31, 38, .08);
}

.agent-chat-composer:focus-within {
    border-color: var(--primary-700);
    box-shadow: 0 8px 28px rgba(57, 104, 110, .13);
}

.agent-chat-composer textarea {
    box-sizing: border-box;
    flex: 1;
    min-width: 0;
    max-height: 180px;
    padding: .45rem .5rem;
    border: 0;
    outline: 0;
    overflow-y: hidden;
    resize: none;
}

.agent-chat-connection {
    min-height: 1.1rem;
    padding-top: .35rem;
    color: #858a94;
    font-size: .72rem;
    text-align: center;
}

.agent-chat-suggestions {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    margin: .65rem 0 1rem;
}

.agent-chat-suggestion-chip {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .4rem .7rem;
    border: 1px solid var(--primary-300);
    border-radius: 999px;
    background: var(--primary-50);
    color: var(--primary-950);
    font-size: .78rem;
    line-height: 1.25;
    text-align: left;
}

.agent-chat-suggestion-arrow {
    flex: 0 0 auto;
    font-size: .9em;
    opacity: .7;
}

.agent-chat-suggestion-chip:hover:not(:disabled),
.agent-chat-suggestion-chip:focus-visible {
    border-color: var(--primary-600);
    background: var(--primary-100);
}

.agent-chat-suggestion-chip:disabled {
    cursor: default;
    opacity: .55;
}

@keyframes agent-chat-blink { 50% { opacity: 0; } }
@keyframes agent-chat-spin { to { transform: rotate(360deg); } }
@keyframes agent-chat-fire-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: .4; transform: scale(.82); }
}