@font-face { font-family: Cera; src: url('assets/fonts/cera-regular.woff2') format('woff2'); font-display: swap; }
@font-face { font-family: Halvar; src: url('assets/fonts/halvar.woff2') format('woff2'); font-display: swap; }
:root { --aside: 260px; --ink: #000; --muted: #777; }
* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; background: #eaebeb; color: var(--ink); font: 14px/1.35 Cera, Arial, sans-serif; }
.preview-app { display: grid; grid-template-columns: var(--aside) minmax(0, 1fr); min-height: 100vh; }
.preview-nav { position: sticky; top: 0; height: 100vh; padding: 20px; border-right: 1px solid #0002; background: #f6f6f5; overflow: auto; }
.preview-nav__inner { display: grid; align-content: start; gap: 26px; }
.preview-nav__brand { color: inherit; font: 400 26px/1 Halvar, Arial, sans-serif; letter-spacing: -.04em; text-decoration: none; }
.preview-nav__toggle { display: inline-flex; align-items: center; gap: 8px; width: max-content; padding: 0; border: 0; background: none; color: inherit; font: inherit; cursor: pointer; }
.preview-nav__toggle-icon { display: grid; width: 25px; height: 25px; place-items: center; border: 1px solid #000; border-radius: 50%; font-size: 22px; line-height: 1; }
.preview-nav nav { display: grid; gap: 5px; }
.preview-nav__group { margin: 18px 0 3px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.preview-nav__group:first-child { margin-top: 0; }
.preview-nav a[data-variant] { padding: 7px 9px; border-radius: 7px; color: inherit; text-decoration: none; }
.preview-nav a[data-variant]:hover, .preview-nav a[data-variant][aria-current="page"] { background: #b9c6b8; }
.preview-content { min-width: 0; min-height: 100vh; }
iframe { display: block; width: 100%; height: 100vh; border: 0; background: #eaebeb; }
.preview-open { position: fixed; z-index: 10; top: 16px; left: 16px; display: none; width: 44px; height: 44px; padding: 0; border: 1px solid rgba(255, 255, 255, .58); border-radius: 50%; background: rgba(255, 255, 255, .3); color: #000; font-size: 19px; line-height: 1; cursor: pointer; box-shadow: inset 0 1px 0 rgba(255, 255, 255, .45), 0 8px 24px rgba(0, 0, 0, .12); backdrop-filter: blur(16px) saturate(145%); -webkit-backdrop-filter: blur(16px) saturate(145%); transition: background-color .2s ease, transform .2s ease; }
.preview-open:hover { background: rgba(255, 255, 255, .48); transform: scale(1.04); }
.preview-open:focus-visible { outline: 2px solid #000; outline-offset: 3px; }
body.is-collapsed .preview-app { grid-template-columns: minmax(0, 1fr); }
body.is-collapsed .preview-nav { display: none; }
body.is-collapsed .preview-open { display: grid; place-items: center; }
body.is-collapsed .preview-content { padding-top: 60px; }
body.is-collapsed iframe { height: calc(100vh - 60px); }
@media (max-width: 720px) { .preview-app { grid-template-columns: minmax(0, 1fr); } .preview-nav { position: fixed; z-index: 20; width: min(280px, calc(100vw - 32px)); box-shadow: 8px 0 24px #0002; } .preview-open { display: grid; place-items: center; } body:not(.is-collapsed) .preview-open { display: none; } }