* {
    box-sizing: border-box;
}

body {
    font-family: system-ui, sans-serif;
    margin: 0;
}

button,
input,
select,
textarea {
    font: inherit;
}

header {
    padding: 12px 16px;
    border-bottom: 1px solid #ddd;
}

header input,
header select {
    padding: 8px;
}

main {
    display: grid;
    grid-template-columns: 320px 1fr;
    height: 100vh;
}

.side {
    border-right: 1px solid #ddd;
    padding: 100px 12px 12px 12px;
    overflow: auto;
    background: #f9f9f9;
}

.chat {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.msgs {
    flex: 1;
    overflow: auto;
    padding: 16px;
}

.msg {
    margin: 10px 0;
}

.msg .role {
    font-size: 12px;
    opacity: 0.7;
    margin: 12px 0 4px 0;
}

.role.user {
    text-align: right;
}

.msg .bubble {
    padding: 0;
    border-radius: 10px;
    white-space: pre-wrap;
}

.msg.user .bubble {
    padding: 10px 20px;
    background: #eee;
    width: 50%;
    margin-left: auto;
    border: solid 1px #ddd;
}

.msg.tool .bubble {
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 60%;
    max-height: 100px;
    overflow: hidden;
    cursor: pointer;
}

.chevron {
    display: inline-block;
    font-size: 10px;
    margin-left: 6px;
    transition: transform 0.2s;
    vertical-align: middle;
}

.composer {
    display: flex;
    gap: 8px;
    padding: 12px;
    justify-content: center;
}

.composer textarea {
    flex: 1;
    resize: none;
    height: 88px;
    border: none;
}

.composer button {
    align-self: center;
}

.composer .inner {
    border: solid 1px #ddd;
    border-radius: 20px;
    padding: 10px;
    display: flex;
    width: 100%;
}

@keyframes spin { to { transform: rotate(360deg); } }
.spinner {
    width: 18px;
    height: 18px;
    border: 2px solid #aaa;
    border-top-color: #333;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    display: inline-block;
}

.status {
    font-size: 12px;
    opacity: 0.7;
}

section > .row > label {
    display: block;
    font-size: 12px;
    opacity: 0.75;
    margin-bottom: 6px;
    font-weight: bold;
}

section > .row > label .small {
    font-weight: normal;
    display: block;
    font-size: 80%;
}

.side .row {
    margin-bottom: 32px;
}

.row button {
    padding: 8px 10px;
}

#model {
    background: white;
    color: gray;
    border: solid 1px #eee;
    border-radius: 6px;
}

hr {
    border: dashed 1px #ddd;
}

.btn-row {
    display: flex;
    gap: 10px;
}

.btn-row > .btn,
.btn-row > button.btn {
    flex: 1 1 0;
    min-width: 0;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;

    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #d0d0d0;
    background: #eee;

    cursor: pointer;
    user-select: none;
    text-decoration: none;
}

.btn:hover {
    background: #ddd;
}

.btn:active {
    transform: translateY(1px);
}

.btn-wide {
    width: 100%;
}

.material-icons {
    font-size: 18px;
    line-height: 1;
}

.btn.disabled,
.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    pointer-events: none;
}

#input {
    border: none;
    outline: none;
}

#input:focus,
#input:focus-visible {
    outline: none;
    box-shadow: none;
}

.code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 90%;
    background-color: #eee;
    border: solid 1px #ddd;
    padding: 2px;
    display: inline-block;
}