html, body { margin: 0; height: 100%; background: #000; overflow: hidden; font: 13px system-ui, sans-serif; color: #ddd; }

/* each zone renders at 800x600 and maptastic warps it onto the wall */
.zone { width: 800px; height: 600px; background: #000; overflow: hidden; }
.zone canvas, .zone video, .zone img, .zone .lottie { width: 100%; height: 100%; display: none; object-fit: cover; }
/* app.js sets data-mode to what the zone shows */
.zone[data-mode=effect] canvas, .zone[data-mode=video] video, .zone[data-mode=image] img, .zone[data-mode=lottie] .lottie { display: block; }
/* taller than the zone so YouTube's title bar (top) and logo strip (bottom) get cropped by the zone's overflow:hidden */
.zone iframe { position: absolute; left: 0; top: -80px; width: 100%; height: calc(100% + 160px); border: 0; pointer-events: none; }

/* twice the screen and centred, so it still covers every corner when rotated (R) */
#grid { position: fixed; inset: -50%; display: none; z-index: 999; pointer-events: none;
  background-image: linear-gradient(#fff 2px, transparent 2px), linear-gradient(90deg, #fff 2px, transparent 2px);
  background-size: 10vw 10vh; }

/* above maptastic's edit overlay (z-index 1000000) and the zone buttons (2000000) */
#panel, #help { position: fixed; z-index: 2000001; background: #111d; border: 1px solid #444; border-radius: 8px; padding: 12px; }
#panel { top: 12px; left: 12px; display: none; max-height: calc(100vh - 48px); overflow: auto; }
#panel table { border-collapse: collapse; }
#panel td { padding: 3px 6px; }
#panel select, #panel input, #panel button { font: inherit; }
#panel .actions { margin-top: 8px; display: flex; gap: 8px; }
#help { bottom: 12px; left: 12px; line-height: 1.6; }
/* × in the top-right corner of the panel and the help box */
.close { position: absolute; top: 4px; right: 6px; background: none; border: 0; color: #aaa; font-size: 20px; line-height: 1; cursor: pointer; }
.close:hover { color: #fff; }
#help { padding-right: 32px; max-width: calc(100vw - 280px); } /* room for the dock beside it */

/* edit mode: buttons under each zone's label, placed over the page (not inside the warped zone) by app.js */
.zone-tools { position: fixed; z-index: 2000000; display: none; gap: 2px; transform: translateX(-50%);
  background: #111d; border: 1px solid #555; border-radius: 6px; padding: 2px; }
.zone-tools button { background: none; border: 0; color: #ddd; font-size: 15px; width: 26px; height: 24px; border-radius: 4px; cursor: pointer; }
.zone-tools button:hover { background: #333; color: #fff; }
.zone-tools .on { color: #555; }
.zone-tools select, .zone-tools input { font: inherit; font-size: 13px; }
.zone-tools input[type=color] { width: 28px; height: 24px; padding: 0 2px; border: 0; background: none; cursor: pointer; }
.zone-tools .sep { width: 1px; margin: 3px 2px; background: #555; }
/* 📎: file and link inputs, opened under the bar */
.zone-tools .media { position: absolute; top: 100%; left: 50%; transform: translateX(-50%); margin-top: 4px; display: flex; gap: 6px;
  align-items: center; white-space: nowrap; padding: 6px; background: #111e; border: 1px solid #555; border-radius: 6px; }
.zone-tools .media[hidden] { display: none; }
.zone-tools .media button { width: auto; padding: 0 8px; background: #333; }

/* in-page message box (delete confirmation, link problems) */
#ask { background: #181818; color: #ddd; border: 1px solid #555; border-radius: 10px; padding: 18px 20px; max-width: 420px; font: inherit; }
#ask::backdrop { background: #0008; }
#ask p { margin: 0 0 16px; line-height: 1.5; }
#ask .buttons { display: flex; justify-content: flex-end; gap: 8px; }
#ask button { font: inherit; padding: 5px 14px; border-radius: 6px; border: 1px solid #555; background: #2a2a2a; color: #ddd; cursor: pointer; }
#ask button[value=ok] { background: #2a4a7a; border-color: #2a4a7a; color: #fff; }

/* mouse controls: a dock in the bottom-right corner and a right-click menu, both above everything else */
#dock { position: fixed; right: 12px; bottom: 12px; z-index: 2000002; display: flex; gap: 2px; padding: 3px;
  background: #111d; border: 1px solid #444; border-radius: 8px; transition: opacity .4s; }
#dock button { background: none; border: 0; color: #ddd; font-size: 18px; width: 34px; height: 32px; border-radius: 6px; cursor: pointer; }
#dock button:hover { background: #333; color: #fff; }
#dock button.on { background: #2a4a7a; color: #fff; }
#menu { position: fixed; z-index: 2000003; display: none; min-width: 200px; padding: 4px;
  background: #181818f2; border: 1px solid #444; border-radius: 8px; box-shadow: 0 6px 24px #000a; }
#menu button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 6px 8px; background: none; border: 0;
  color: #ddd; font: inherit; text-align: left; border-radius: 5px; cursor: pointer; }
#menu button:hover { background: #2a4a7a; color: #fff; }
#menu span { width: 18px; text-align: center; }
#menu kbd { margin-left: auto; color: #999; }
/* when the mouse has been still for a few seconds: no dock and no cursor on the wall */
body.idle #dock { opacity: 0; pointer-events: none; }
body.idle, body.idle * { cursor: none !important; }

kbd { background: #333; border-radius: 3px; padding: 0 4px; }