/* Shared chrome for the Alive Kit embed tools; the existing host owns its stage and menu. */
* { box-sizing: border-box; }
html { min-width: 320px; }
body.embed-page { --ns-focus: var(--ns-text); color-scheme: light dark; margin: 0; background: var(--ns-bg); color: var(--ns-text); font: 16px/1.55 var(--ns-font); }
a { color: var(--ns-focus); text-underline-offset: 3px; }
button, input, select, textarea { font: inherit; }
button, input, select, textarea, summary, .button { min-height: 44px; }
button, .button { cursor: pointer; }
button:disabled { cursor: wait; opacity: .65; }
:focus-visible { outline: 2px solid var(--ns-focus); outline-offset: 3px; }
[hidden] { display: none !important; }
.site-header { width: min(1160px, 100%); margin: auto; padding: 20px 32px; display: flex; gap: 24px; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--ns-border); }
.brand { font-size: 20px; font-weight: 650; color: var(--ns-text); text-decoration: none; white-space: nowrap; }
.site-header nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.site-header nav a { display: inline-flex; min-height: 44px; align-items: center; color: var(--ns-text-2); font-size: 14px; text-decoration: none; }
.site-header nav a[aria-current="page"] { color: var(--ns-text); font-weight: 650; }
.page { width: min(1160px, 100%); margin: auto; padding: 44px 32px 56px; }
.intro { max-width: 800px; margin-bottom: 32px; }
.eyebrow { margin: 0 0 12px; color: var(--ns-text-2); font-size: 14px; font-weight: 600; letter-spacing: .04em; }
h1 { margin: 0 0 16px; font-size: clamp(32px, 4vw, 48px); letter-spacing: -.035em; line-height: 1.15; font-weight: 600; }
h2 { margin: 0; font-size: 24px; line-height: 1.3; font-weight: 600; letter-spacing: -.02em; }
h3 { font-size: 20px; line-height: 1.3; }
p { margin: 12px 0; }
.intro > p:last-child { color: var(--ns-text-2); max-width: 680px; font-size: 20px; }
.muted, .note { color: var(--ns-text-2); }
.note { font-size: 14px; }
.grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.panel { min-width: 0; padding: 24px; border: 1px solid var(--ns-border-strong); background: var(--ns-surface); border-radius: var(--ns-radius); }
.panel-heading { display: flex; justify-content: space-between; gap: 16px; align-items: center; margin-bottom: 20px; }
.panel-heading h2 { font-size: 20px; }
.field { display: grid; gap: 8px; margin: 0 0 20px; }
.field > span, .field > label { font-size: 14px; font-weight: 600; }
.field small { color: var(--ns-text-2); font-size: 12px; }
input, select, textarea { width: 100%; min-width: 0; padding: 10px 12px; color: var(--ns-text); background: var(--ns-bg); border: 1px solid var(--ns-border-strong); border-radius: 8px; }
textarea { resize: vertical; }
.fields { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 16px; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 20px; }
.button, button { display: inline-flex; justify-content: center; align-items: center; gap: 8px; border: 1px solid transparent; border-radius: 24px; padding: 10px 20px; font-size: 14px; font-weight: 600; text-decoration: none; color: var(--ns-on-accent); background: var(--ns-gold); }
.button:hover, button:hover { filter: brightness(1.05); }
.button.secondary, button.secondary { border-color: var(--ns-border-strong); color: var(--ns-text); background: transparent; }
.code { margin: 0; width: 100%; padding: 16px; font: 12px/1.7 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: pre-wrap; overflow-wrap: anywhere; background: var(--ns-bg); border: 1px solid var(--ns-border); border-radius: 8px; }
.status { min-height: 24px; margin: 12px 0 0; color: var(--ns-text-2); font-size: 14px; overflow-wrap: anywhere; }
.studio-link { display: block; margin: 40px 0 0; text-align: center; color: var(--ns-text-2); font-size: 14px; }
.stage { display: grid; place-items: center; min-height: 330px; margin: 20px 0; }
.stage [data-ff-mount] { width: min(300px, 100%); height: 320px; }
.stage [data-ff-mount] .ff-still { object-fit: contain; }
.stage [data-ff-mount] alive-agent { margin: auto; }
.stage [data-ff-mount][data-ff-place="free"] { height: 0; }
.comparison { margin-bottom: 24px; }
.comparison .panel { min-height: 410px; }
.comparison .before { display: flex; flex-direction: column; }
.reply { padding: 24px 0; margin-top: auto; margin-bottom: auto; font-size: 20px; overflow-wrap: anywhere; white-space: pre-wrap; }
.comparison .stage { min-height: 290px; margin: 12px 0 0; }
.integration { margin-top: 32px; }
.integration summary { display: flex; align-items: center; cursor: pointer; color: var(--ns-text); font-weight: 600; }
.integration pre { margin-top: 16px; }
.finding { border-top: 1px solid var(--ns-border); padding: 16px 0; }
.finding h3 { margin: 0 0 8px; }
.finding p { margin: 6px 0; }
.skip { position: absolute; left: 16px; top: -100px; z-index: 4; background: var(--ns-bg); padding: 12px; }
.skip:focus { top: 8px; }
@media (max-width: 760px) {
    .site-header { padding: 12px 20px; gap: 4px; flex-wrap: wrap; }
    .site-header nav { gap: 0 20px; }
    .site-header nav a { font-size: 12px; }
    .page { padding: 28px 20px 40px; }
    .intro { margin-bottom: 24px; }
    .intro > p:last-child { font-size: 16px; }
    .grid { grid-template-columns: minmax(0, 1fr); gap: 16px; }
    .panel { padding: 20px; }
    .fields { gap: 0 12px; }
    .comparison .panel { min-height: 0; }
    .comparison .after { order: -1; }
    .comparison .before .reply { min-height: 72px; font-size: 16px; }
    .comparison .stage { min-height: 270px; }
    .comparison .stage [data-ff-mount] { height: 280px; }
}