/* Full-screen, one-task-at-a-time view. The detailed course remains untouched. */
body[data-breakout-view="focus"]{width:100%;height:100dvh;overflow:hidden;background:#101923;color:var(--breakout-ink)}
body[data-breakout-view="focus"] #breakoutApp{width:100%;height:100dvh;overflow:hidden}
.focus-shell{position:relative;width:100%;height:100dvh;overflow:hidden;background:radial-gradient(circle at 50% 10%,#eef3f6 0,#dce5eb 48%,#c9d5de 100%)}

/* The stage owns almost the entire viewport. */
.focus-stage{position:absolute;inset:0;min-width:0;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;background:linear-gradient(145deg,#eaf0f4,#d5dfe6)}
.focus-visual{display:flex;align-items:center;justify-content:center;width:100%;min-width:0;min-height:100%;padding:30px}
.focus-visual>*{max-width:min(1580px,100%)}
.focus-visual>.unity-window,
.focus-visual>.editor-visual,
.focus-visual>.folder-visual,
.focus-visual>.brick-visual,
.focus-visual>.ui-visual,
.focus-visual>.test-visual,
.focus-visual>.build-visual,
.focus-visual>.final-visual{width:min(1580px,100%);min-height:min(82dvh,900px)}
.focus-visual>.unity-window,
.focus-visual>.editor-visual,
.focus-visual>.folder-visual,
.focus-visual>.brick-visual,
.focus-visual>.test-visual,
.focus-visual>.build-visual{display:flex;flex-direction:column}
.focus-visual>.unity-window>.hub-layout,
.focus-visual>.settings-window>div,
.focus-visual>.editor-visual>.editor-body,
.focus-visual>.folder-visual>div,
.focus-visual>.brick-visual>.brick-flow,
.focus-visual>.test-visual>div,
.focus-visual>.build-visual>ol{flex:1}
.focus-visual .breakout-board:not(.compact){width:min(1180px,100%)}
.focus-visual .breakout-board.compact{max-width:780px}
.focus-visual>.final-visual img{height:calc(min(82dvh,900px) - 76px);max-height:none}
.focus-stage-label{position:fixed;top:12px;left:78px;z-index:15;display:flex;align-items:center;max-width:min(690px,calc(100vw - 430px));gap:8px;padding:8px 12px;border:1px solid rgba(146,165,181,.72);border-radius:999px;background:rgba(255,255,255,.68);color:#526a7e;box-shadow:0 14px 38px -28px rgba(7,29,51,.9);font-size:10px;line-height:1.35;pointer-events:none;backdrop-filter:blur(12px)}
.focus-stage-label b{flex:0 0 auto;color:var(--breakout-teal-dark);font-family:"Lexend",sans-serif;font-size:9px;letter-spacing:.7px}
.focus-stage-label span{overflow:hidden;color:var(--breakout-navy);font-weight:850;text-overflow:ellipsis;white-space:nowrap}
.focus-stage-label small{overflow:hidden;color:#738595;text-overflow:ellipsis;white-space:nowrap}

/* Code fills the stage but still wraps instead of creating horizontal scroll. */
.focus-code{display:flex;width:min(1580px,100%);height:calc(100dvh - 40px);max-height:none;flex-direction:column;border-radius:18px}
.focus-code .code-head,.focus-code .code-before{flex:0 0 auto}
.focus-code pre{flex:1;max-height:none;overflow:auto;font-size:clamp(11px,1vw,15px);line-height:1.7}
.focus-code .code-line{grid-template-columns:50px minmax(0,1fr)}

/* Compact translucent progress indicator. */
.focus-progress{position:fixed;top:14px;right:78px;z-index:20;width:min(310px,25vw);padding:8px 11px;border:1px solid rgba(146,165,181,.75);border-radius:999px;background:rgba(255,255,255,.7);box-shadow:0 14px 36px -28px rgba(7,29,51,.9);backdrop-filter:blur(12px)}
.focus-progress>span{display:block;overflow:hidden;color:var(--breakout-navy);font-family:"Lexend",sans-serif;font-size:8px;font-weight:850;text-overflow:ellipsis;white-space:nowrap}
.focus-progress>i{display:block;height:4px;margin-top:5px;overflow:hidden;border-radius:999px;background:#cad7df}
.focus-progress>i>em{display:block;height:100%;border-radius:inherit;background:var(--breakout-teal);transition:width .2s ease}

/* Logo-only rail; the table of contents opens below/next to it on demand. */
.focus-rail{position:fixed;top:10px;left:10px;z-index:45}
.focus-logo{display:grid;place-items:center;width:54px;height:54px;padding:5px;border:1px solid rgba(145,160,173,.8);border-radius:16px;background:rgba(255,255,255,.72);box-shadow:0 15px 38px -25px rgba(7,29,51,.9);cursor:pointer;opacity:.55;backdrop-filter:blur(12px);transition:opacity .18s ease,transform .18s ease}
.focus-logo:hover,.focus-logo:focus-visible,.focus-logo[aria-expanded="true"]{opacity:1;transform:translateY(-1px)}
.focus-logo img{display:block;width:38px;height:38px;border-radius:10px}
.focus-logo>span{position:absolute;top:58px;left:50%;padding:3px 6px;border-radius:999px;background:rgba(7,29,51,.78);color:#fff;font-size:7px;font-weight:850;transform:translateX(-50%);white-space:nowrap}
.focus-menu{position:fixed;top:0;bottom:0;left:0;z-index:-1;display:none;width:min(390px,92vw);grid-template-rows:auto minmax(0,1fr) auto;padding:78px 14px 14px;border-right:1px solid #aebdca;background:rgba(248,250,252,.97);box-shadow:30px 0 80px -52px rgba(7,29,51,.95);opacity:0;backdrop-filter:blur(18px)}
.focus-menu.open{z-index:44;display:grid;opacity:1}
.focus-menu>header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 9px 14px;border-bottom:1px solid #d1dbe3}
.focus-menu>header>b{color:var(--breakout-navy);font-size:15px}
.focus-menu>header>button{display:grid;place-items:center;width:32px;height:32px;border:0;border-radius:9px;background:var(--breakout-navy);color:#fff;font-size:18px;cursor:pointer}
.focus-menu>div{display:grid;align-content:start;gap:4px;overflow:auto;padding:10px 0;scrollbar-width:thin}
.focus-menu>div>button{display:grid;grid-template-columns:34px minmax(0,1fr);align-items:center;gap:9px;width:100%;padding:11px 9px;border:0;border-radius:10px;background:transparent;color:#536b7e;text-align:left;cursor:pointer}
.focus-menu>div>button:hover{background:#e9f0f4;color:var(--breakout-navy)}
.focus-menu>div>button>b{color:#8397a7;font-family:"Lexend",sans-serif;font-size:9px}
.focus-menu>div>button>span{font-size:11px;font-weight:800;line-height:1.45;word-break:keep-all}
.focus-menu>footer{display:grid;grid-template-columns:1fr 1fr;gap:7px;padding-top:12px;border-top:1px solid #d1dbe3}
.focus-menu>footer>a{display:grid;place-items:center;min-height:38px;border:1px solid #b8c6d1;border-radius:10px;background:#fff;color:var(--breakout-navy);font-size:10px;font-weight:850}
.focus-menu>footer>a:first-child{border-color:var(--breakout-navy);background:var(--breakout-navy);color:#fff}

/* Fullscreen button remains quiet until used. */
.focus-fullscreen{position:fixed;top:10px;right:10px;z-index:45;display:grid;place-items:center;width:54px;height:54px;border:1px solid rgba(144,160,174,.8);border-radius:16px;background:rgba(255,255,255,.72);color:var(--breakout-navy);box-shadow:0 15px 38px -25px rgba(7,29,51,.9);font-size:24px;font-weight:900;cursor:pointer;opacity:.5;backdrop-filter:blur(12px);transition:opacity .18s ease,background .18s ease,color .18s ease}
.focus-fullscreen:hover,.focus-fullscreen:focus-visible{background:var(--breakout-navy);color:#fff;opacity:1}

/* Movable, translucent command bar. */
.focus-command{position:fixed;right:auto;bottom:18px;left:50%;z-index:40;display:grid;grid-template-columns:78px minmax(0,1fr) 156px;align-items:stretch;gap:9px;width:min(1450px,calc(100vw - 150px));min-width:0;padding:10px;border:1px solid rgba(173,190,201,.92);border-radius:20px;background:rgba(255,255,255,.72);box-shadow:0 28px 70px -36px rgba(7,29,51,.98);opacity:.74;transform:translateX(-50%);backdrop-filter:blur(18px);transition:opacity .18s ease,box-shadow .18s ease}
.focus-command:hover,.focus-command:focus-within,.focus-command.dragging{opacity:1;box-shadow:0 28px 75px -32px rgba(7,29,51,.95)}
.focus-command.dragging{user-select:none}
.command-drag{position:absolute;top:-25px;left:50%;width:68px;height:27px;border:1px solid rgba(160,178,190,.9);border-bottom:0;border-radius:12px 12px 0 0;background:rgba(255,255,255,.82);color:#577189;font-size:14px;font-weight:900;letter-spacing:3px;cursor:grab;touch-action:none;transform:translateX(-50%);backdrop-filter:blur(12px)}
.focus-command.dragging .command-drag,.command-drag:active{cursor:grabbing}
.focus-prev,.focus-next{display:grid;place-items:center;align-content:center;gap:3px;border:0;border-radius:13px;cursor:pointer}
.focus-prev{background:#edf3f7;color:var(--breakout-navy)}
.focus-prev>b{font-size:24px}.focus-prev>small{font-size:8px;font-weight:800}
.focus-prev:disabled{cursor:not-allowed;opacity:.35}
.focus-next{background:var(--breakout-navy);color:#fff}
.focus-next>b{font-size:13px}.focus-next>small{color:#8ee3bc;font-family:"JetBrains Mono",monospace;font-size:9px;font-weight:850}
.command-copy{display:grid;grid-template-columns:58px minmax(0,1fr);align-items:center;gap:12px;min-width:0;padding:10px 14px;border-left:4px solid var(--breakout-teal);border-radius:12px;background:rgba(236,248,243,.84)}
.command-copy>div{grid-row:1/3;display:grid;place-items:center;align-content:center;min-width:0;gap:3px}
.command-copy>div>span{display:grid;place-items:center;width:38px;height:38px;border-radius:50%;background:#d9e8ef;color:#285c7e;font-family:"Lexend",sans-serif;font-size:11px;font-weight:900}
.command-copy>div>small{display:block;max-width:58px;overflow:hidden;color:#6a7e8e;font-size:7px;font-weight:800;line-height:1.3;text-align:center;text-overflow:ellipsis;white-space:nowrap}
.command-copy>h1{min-width:0;color:var(--breakout-navy);font-size:clamp(17px,1.55vw,25px);font-weight:950;letter-spacing:-.8px;line-height:1.25;word-break:keep-all}
.command-copy>p{display:flex;min-width:0;align-items:baseline;gap:6px;color:#557064;font-size:11px;line-height:1.5}
.command-copy>p>b{flex:0 0 auto;color:var(--breakout-teal-dark);font-size:10px}
.command-copy>p>span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Fullscreen API state */
html:fullscreen,html:fullscreen body[data-breakout-view="focus"],html:-webkit-full-screen,html:-webkit-full-screen body[data-breakout-view="focus"]{width:100%;height:100%;background:#101923}

@media(max-width:1050px){
  .focus-visual{padding:22px}
  .focus-visual>.unity-window,.focus-visual>.editor-visual,.focus-visual>.folder-visual,.focus-visual>.brick-visual,.focus-visual>.ui-visual,.focus-visual>.test-visual,.focus-visual>.build-visual,.focus-visual>.final-visual{min-height:min(78dvh,780px)}
  .focus-command{grid-template-columns:66px minmax(0,1fr) 128px;width:calc(100vw - 100px)}
  .command-copy{grid-template-columns:48px minmax(0,1fr);padding:9px 11px}.command-copy>div>span{width:33px;height:33px}
  .focus-progress{right:72px;width:220px}
}

@media(max-width:760px){
  .focus-visual{align-items:flex-start;padding:68px 8px 155px}
  .focus-visual>.unity-window,.focus-visual>.editor-visual,.focus-visual>.folder-visual,.focus-visual>.brick-visual,.focus-visual>.ui-visual,.focus-visual>.test-visual,.focus-visual>.build-visual,.focus-visual>.final-visual{width:100%;min-height:55dvh}
  .focus-visual>.final-visual img{height:auto;min-height:46dvh}
  .focus-stage-label{top:9px;left:65px;right:65px;max-width:none;padding:7px 9px}.focus-stage-label small{display:none}
  .focus-progress{top:48px;right:65px;left:65px;width:auto;padding:6px 8px}
  .focus-logo,.focus-fullscreen{top:8px;width:48px;height:48px;border-radius:14px}.focus-rail{top:0;left:8px}.focus-logo img{width:34px;height:34px}.focus-logo>span{display:none}.focus-fullscreen{right:8px}
  .focus-menu{padding-top:67px}
  .focus-command{right:6px!important;bottom:6px!important;left:6px!important;top:auto!important;grid-template-columns:46px minmax(0,1fr) 86px;width:auto;min-height:128px;padding:7px;gap:6px;border-radius:15px;transform:none!important}
  .command-drag{top:-22px;width:58px;height:24px}
  .command-copy{display:block;padding:9px 10px;border-left-width:3px}
  .command-copy>div{display:flex;float:left;margin:0 8px 3px 0}.command-copy>div>span{width:29px;height:29px;font-size:9px}.command-copy>div>small{display:none}
  .command-copy>h1{font-size:14px;line-height:1.3}.command-copy>p{clear:both;display:block;margin-top:5px;font-size:9px;line-height:1.45}.command-copy>p>b{margin-right:4px;font-size:8px}.command-copy>p>span{white-space:normal}
  .focus-prev>b{font-size:19px}.focus-prev>small{font-size:7px}.focus-next>b{font-size:10px}.focus-next>small{font-size:7px}
  .focus-code{height:auto;min-height:calc(100dvh - 180px)}.focus-code pre{min-height:calc(100dvh - 295px);font-size:10px}.focus-code .code-line{grid-template-columns:32px minmax(0,1fr)}
}

@media(max-width:480px){
  .focus-stage-label span{font-size:8px}.focus-stage-label b{font-size:7px}
  .focus-progress>span{font-size:7px}
  .focus-command{grid-template-columns:38px minmax(0,1fr) 72px;min-height:142px}
  .focus-prev>b{font-size:17px}.focus-next>b{font-size:9px}.focus-next>small{font-size:6px}
  .command-copy{padding:8px}.command-copy>h1{font-size:13px}.command-copy>p{font-size:9px;line-height:1.5}
  .focus-menu{width:100vw}
}

@media(prefers-reduced-motion:reduce){.focus-logo,.focus-fullscreen,.focus-command,.focus-progress>i>em{transition:none}}