.chat-box-area {
    display: flex;
    flex-direction: column;
    flex: 0 0 auto;
    align-items: center;
    width: 100%;
    justify-content: center;
    padding: 0 8px max(8px, env(safe-area-inset-bottom, 0px)) 8px;
    box-sizing: border-box;
}
.chat-box {
    width: 80%;
    max-width: 750px;
    height: auto;
    border-radius: 16px;
    border: 1px solid var(--chat-composer-border, var(--border-color));
    background: var(--chat-composer-background, var(--input-bg));
    box-shadow: var(--chat-composer-shadow, none);
    padding: 8px;
    transition: width 0.2s ease, max-width 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
    container-type: inline-size;
    container-name: chat-files-layout;
}

body.chat-area-compact .chat-box {
    width: 100%;
    max-width: 100%;
}

@container chat-layout (max-width: 1000px) {
    .chat-box {
        width: 100%;
        max-width: 100%;
    }
}
.chat-box-top {
    padding: 0px 10px;
    position: relative;
}
.chat-box-top-input {
    margin-top: 6px;
    margin-bottom: 12px;
    color: var(--text-color);
    width: 100%;
    height: 1.5em;
    max-height: 8em;
    resize: none;
    overflow-y: hidden;
    font-size: 16px;
    line-height: 1.5;
    box-sizing: border-box;
    outline: none;
}
.chat-box-top-input::placeholder {
    color: var(--chat-composer-placeholder, var(--text-color-secondary));
    opacity: 1;
}
.chat-box-top-input:focus {
    outline: none;
}


@media (prefers-reduced-motion: reduce) {
    .chat-box {
        transition: none;
    }
}

.chat-box-bottom {
    display: flex;
    justify-content: space-between;
    height: auto;
    gap: 4px;
}
.chat-box-bottom-div {
    display: flex;
    gap: 4px;
}

.chat-box-dropdown {
    position: relative;
    z-index: 40;
}
.chat-box-dropdown .select-dropdown {
    top: auto;
    right: auto;
    bottom: 48px;
    left: 0;
    min-width: 220px;
    z-index: 40;
}

.chat-container[data-temp-chat="true"] .chat-box {
    border-color: var(--text-color);
}

.chat-container .chat-container-welcome {
    flex-direction: column;
}

.temp-chat-subtitle-wrapper {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

.temp-chat-subtitle-wrapper[hidden] {
    display: none;
}

.chat-container[data-temp-chat="true"] .temp-chat-subtitle-wrapper {
    grid-template-rows: 1fr;
}

.temp-chat-subtitle {
    overflow: hidden;
    font-size: 13px;
    color: var(--text-color-secondary);
    text-align: center;
    user-select: none;
    -webkit-user-select: none;
    letter-spacing: 0.01em;
    line-height: 1.4;
    white-space: normal;
    padding-top: 0;
    opacity: 0;
    transform: translateY(-6px);
    transition: opacity 0.3s ease, transform 0.3s cubic-bezier(0.32, 0.72, 0, 1), padding-top 0.4s cubic-bezier(0.32, 0.72, 0, 1);
}

.chat-container[data-temp-chat="true"] .temp-chat-subtitle {
    opacity: 1;
    transform: translateY(0);
    padding-top: 8px;
}

.chat-box-warning {
    display: none;
    align-items: center;
    justify-content: center;
    padding: 8px 0px;
    font-size: 12px;
    color: var(--text-color-secondary);
}

.chat-model-unavailable {
    width: min(80%, 750px);
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    padding: 8px 12px 0;
    color: var(--text-color-secondary);
    font-size: 12px;
    line-height: 1.4;
    text-align: center;
}

.chat-model-unavailable[hidden] {
    display: none;
}

.chat-model-unavailable button {
    appearance: none;
    border: 0;
    padding: 0;
    background: transparent;
    color: var(--primary-color);
    font: inherit;
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
    cursor: pointer;
}

@media (hover: hover) and (pointer: fine) {
    .chat-model-unavailable button:hover {
        color: var(--primary-color-hover, var(--primary-color));
    }
}

@container chat-layout (max-width: 1000px) {
    .chat-model-unavailable {
        width: 100%;
    }
}