html, body { width: 100%; height: 100%; margin: 0; overflow: hidden; background: #111a20; }
.hmi-dialog[open] { position: fixed; inset: 0; display: grid; grid-template-rows: 48px minmax(0, 1fr); width: 100%; max-width: none; height: 100%; max-height: none; margin: 0; padding: 0; border: 0; box-shadow: none; }
.site-toolbar { position: relative; z-index: 30; display: flex; align-items: center; gap: 6px; padding: 5px 7px; background: transparent; font-family: Arial, sans-serif; }
.site-toolbar a, .site-toolbar button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 36px; padding: 6px 12px; border: 1px solid rgba(142, 191, 232, .62); border-radius: 7px; background: rgba(3, 20, 33, .72); color: #eaf8ff; opacity: .78; backdrop-filter: blur(4px); font: 14px Arial, sans-serif; text-decoration: none; cursor: pointer; white-space: nowrap; transition: opacity .16s ease, background-color .16s ease; }
.site-toolbar a:hover, .site-toolbar button:hover, .site-toolbar a:focus-visible, .site-toolbar button:focus-visible { opacity: 1; color: #fff; background: rgba(3, 20, 33, .94); }
.site-toolbar a:focus-visible, .site-toolbar button:focus-visible { outline: 3px solid #81bfff; outline-offset: 1px; }
.site-toolbar a span { font-size: 18px; line-height: 1; }
.site-caption { display: flex; align-items: center; justify-content: center; gap: 8px; flex: 1; padding: 0 12px; white-space: nowrap; font-size: 14px; color: #e7eef3; }
.site-caption span { font-size: 12px; color: #9aadb9; }
.hmi-viewport { width: 100%; height: 100%; min-width: 0; min-height: 0; margin: 0; background: #111a20; }