@media (prefers-color-scheme: dark) {
    :root {
        --color-1: #212121;
        --color-2: #303030;
        --color-3: #3F3F3F;
        --color-hover-1: #424242;
        --color-white-1: #F1FFFF;
        --color-white-2: #AFAFAF;
    }
}

@media (prefers-color-scheme: light) {
    :root {
        --color-1: #fff;
        --color-2: #e9e9e9;
        --color-3: #e9e9e9;
        --color-hover-1: #e9e9e9;
        --color-white-1: #000;
        --color-white-2: #AFAFAF;
    }
}

.modal {
    --bs-modal-bg: var(--color-2);
    --bs-modal-color: var(--color-white-1);
    --bs-modal-header-border-color: var(--color-white-2);
    --bs-modal-footer-border-color: var(--color-white-2);
}

.modal .btn {
    --bs-btn-color: var(--color-white-1);
}

.modal .btn:hover {
    --bs-btn-hover-bg: var(--color-hover-1);
}

.modal .btn-primary {
    --bs-btn-color: var(--color-white-1);
    --bs-btn-bg: var(--color-3);
    --bs-btn-border-color: var(--color-3);
    --bs-btn-hover-color: var(--color-white-1);
    --bs-btn-hover-bg: var(--color-3);
    --bs-btn-hover-border-color: var(--color-3);
    --bs-btn-active-color: var(--color-white-1);
    --bs-btn-active-bg: var(--color-3);
    --bs-btn-active-border-color: var(--color-3);
    --bs-btn-disabled-color: var(--color-white-1);
    --bs-btn-disabled-bg: var(--color-3);
    --bs-btn-disabled-border-color: var(--color-3);
}

.modal .form-control {
    --bs-body-bg: var(--color-3);
    --bs-body-color: var(--color-white-1);
    border: none;
}

.modal .form-control::placeholder {
    color: var(--color-white-2);
}

.modal .form-control:focus {
    border: none;
    box-shadow: none;
}

body {
    background-color: var(--color-1);
    color: var(--color-white-1);
}

header {
    height: 52px;
    padding: 8px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header .btn {
    --bs-btn-color: var(--color-white-1);
    border: none;
}

header .btn.dropdown-toggle {
    height: 36px;
    width: 36px;
    padding: 0;
    border-radius: 50%;
}

header .btn.dropdown-toggle svg {
    width: 25px;
    height: 25px;
}

header .btn.dropdown-toggle:after {
    display: none;
}

header .dropdown-menu {
    --bs-dropdown-bg: var(--color-2);
}

header .dropdown-menu .dropdown-item {
    --bs-dropdown-link-color: var(--color-white-1);
    --bs-dropdown-link-disabled-color: var(--color-white-2);
}

header .btn:hover {
    --bs-btn-hover-bg: var(--color-hover-1);
}

header .btn span {
    color: var(--color-white-2);
}

.chat {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 132px);
    padding: 8px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--color-2) var(--color-1);
}

.chat.empty {
    justify-content: center;
    align-content: center;
}

.chat.empty p {
    text-align: center;
    margin: 0;
    font-size: 34px;
}

.chat .message {
    margin: 20px 0;
    color: var(--color-white-1);
}

.chat .message:last-child {
    margin-bottom: 48px;
}

.chat .message.message-user {
    background-color: var(--color-2);
    border-radius: 18px;
    padding: 10px 20px;
    width: 70%;
    margin-left: calc(30%);
}

.chat .message.message-assistant.loading {
    color: var(--color-white-2);
}

.chat-input {
    position: fixed;
    bottom: 52px;
    margin: 8px 8px 0 8px;
    height: 56px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--color-2);
    border-radius: 28px;
    width: -webkit-fill-available;
}

.chat-input .btn {
    margin: 8px;
    line-height: 18px;
    min-height: 36px;
    min-width: 36px;
    padding: 0;
    border-radius: 50%;
    --bs-btn-color: var(--color-white-2);
    --bs-btn-active-bg: var(--color-white-1);
    --bs-btn-active-color: var(--color-1);
    --bs-btn-active-border-color: var(--color-white-1);
}

.chat-input .btn:last-child {
    margin-left: 0;
}

.chat-input .btn:hover {
    --bs-btn-hover-bg: var(--color-hover-1);
}

.chat-input .btn svg {
    height: 18px;
    width: 18px;
}

.chat-input .form-control {
    --bs-body-bg: var(--color-2);
    --bs-body-color: var(--color-white-1);
    border: none;
    padding: 0;
}

.chat-input .form-control::placeholder {
    color: var(--color-white-2);
}

.chat-input .form-control:focus {
    border: none;
    box-shadow: none;
}

footer {
    width: 100%;
    position: fixed;
    bottom: 0;
    height: 52px;
    padding: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-size: 12px;
}

footer p {
    margin: 0;
}

@media (min-width: 770px) {
    .chat {
        padding: 8px calc((100vw - 790px) / 2) 0 calc((100vw - 770px) / 2);
    }

    .chat-input {
        margin: 8px calc((100vw - 770px) / 2) 0 calc((100vw - 770px) / 2);
    }
}