/* ============ DESKTOP — Windows 11 look ============ */
#os{
  position:fixed;inset:0;z-index:5;opacity:0;pointer-events:none;
  transition:opacity .6s ease;overflow:hidden;
  font-family:"Segoe UI Variable","Segoe UI",-apple-system,system-ui,sans-serif;
  background:#0a1228 url("../../img/wallpaper.jpg") center/cover no-repeat;
}
#os::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(circle at 30% 40%,rgba(120,180,255,.15),transparent 40%),
    radial-gradient(circle at 70% 60%,rgba(180,130,220,.12),transparent 40%);
  mix-blend-mode:screen;
}
#os.show{opacity:1;pointer-events:auto}
#os,#os *{user-select:none;-webkit-user-select:none}
#os .selectable,#os .selectable *{user-select:text;-webkit-user-select:text}

/* Win11-style desktop context menu */
.ctxmenu{
  position:fixed;z-index:9999;min-width:240px;padding:6px;
  background:rgba(32,32,38,.86);
  backdrop-filter:blur(28px) saturate(160%);
  -webkit-backdrop-filter:blur(28px) saturate(160%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:10px;
  box-shadow:0 24px 60px rgba(0,0,0,.55),0 2px 8px rgba(0,0,0,.4);
  color:#f3f3f3;font-family:"Segoe UI Variable","Segoe UI",sans-serif;font-size:13px;
  transform-origin:top left;transform:scale(.96);opacity:0;
  transition:opacity .12s ease,transform .12s ease;
}
.ctxmenu.show{opacity:1;transform:scale(1)}
.ctxmenu.hidden{display:none}
.ctxmenu button{
  display:flex;align-items:center;gap:12px;width:100%;
  padding:9px 12px;border:0;background:transparent;color:inherit;
  font:inherit;text-align:left;border-radius:6px;cursor:pointer;
}
.ctxmenu button:hover{background:rgba(255,255,255,.08)}
.ctxmenu button svg{width:16px;height:16px;stroke-linecap:round;stroke-linejoin:round;flex-shrink:0;opacity:.9}
.ctxmenu .kbd{margin-left:auto;font-size:11px;opacity:.55;font-family:var(--mono)}
.ctxmenu .caret{margin-left:auto;opacity:.55;font-size:14px}
.ctx-sep{height:1px;background:rgba(255,255,255,.08);margin:4px 6px}

.refresh-flash{
  position:fixed;inset:0;z-index:9000;pointer-events:none;
  background:radial-gradient(circle at center,rgba(255,255,255,.18),transparent 60%);
  opacity:0;animation:refreshFlash .55s ease-out forwards;
}
@keyframes refreshFlash{
  0%{opacity:0}25%{opacity:1}100%{opacity:0}
}

/* boot */
#boot{position:absolute;inset:0;background:#000;z-index:200;display:flex;align-items:center;justify-content:center;overflow:hidden}
#boot .bios{
  position:absolute;inset:0;
  background-size:contain;background-repeat:no-repeat;background-position:center center;background-color:#000;
  opacity:0;transition:opacity .6s ease;
}
#boot .bios.show{opacity:1}
#boot .overlay{
  position:absolute;left:0;right:0;bottom:6%;z-index:2;
  display:flex;flex-direction:column;align-items:center;gap:14px;
  color:#cfe4ff;font-family:var(--mono);font-size:12px;
  text-shadow:0 0 10px rgba(0,0,0,.8);
}
#boot .bar{width:260px;height:3px;background:rgba(255,255,255,.14);border-radius:3px;overflow:hidden}
#boot .bar i{display:block;height:100%;width:0;background:linear-gradient(90deg,#00a4ef,#23d6b1);transition:width .2s;box-shadow:0 0 8px #00a4ef}
#boot .lines{opacity:.85;min-height:18px;text-align:center;line-height:1.5;letter-spacing:.02em}

/* desktop icons */
.desktop-icons{
  position:absolute;top:18px;left:14px;display:grid;
  grid-template-columns:repeat(2,86px);grid-auto-rows:92px;gap:2px;z-index:1;
}
.desktop-selectbox{
  position:absolute;z-index:3;pointer-events:none;
  border:1px solid rgba(105,192,255,.95);
  background:rgba(74,146,255,.16);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
}
.desktop-assist{
  position:absolute;top:60px;right:14px;bottom:58px;width:min(240px,calc(100vw - 28px));
  z-index:14;padding:14px 13px 16px;border-radius:18px;
  background:linear-gradient(180deg,rgba(10,18,28,.82),rgba(8,14,22,.76));
  border:1px solid rgba(106,216,255,.10);
  box-shadow:0 20px 48px rgba(0,0,0,.22),inset 0 1px 0 rgba(255,255,255,.03);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  pointer-events:none;overflow-y:auto;overflow-x:hidden;
  display:flex;flex-direction:column;gap:0;
}
.desktop-assist-head{
  display:flex;flex-direction:column;gap:2px;margin-bottom:10px;flex-shrink:0;
}
.desktop-assist-head h4{
  margin:0;font-size:14px;font-weight:650;color:#f3fbff;letter-spacing:-.01em;
}
.desktop-assist-head span{
  display:block;font-size:9px;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#6ad8ff;
}
.desktop-assist-state{
  padding:8px 10px;border-radius:12px;background:rgba(0,164,239,.08);
  border:1px solid rgba(106,216,255,.14);font-size:11px;line-height:1.5;color:#d9ebf7;flex-shrink:0;
}
.desktop-assist-state strong{color:#f4fbff}
.desktop-assist-list{
  display:flex;flex-direction:column;gap:8px;margin-top:10px;flex:1;min-height:0;
}
.desktop-assist-card{
  padding:10px 11px 11px;border-radius:12px;
  background:linear-gradient(180deg,rgba(14,22,31,.88),rgba(8,14,20,.78));
  border:1px solid rgba(106,216,255,.08);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.02);
}
.desktop-assist-card span{
  display:block;font-size:9px;font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:#87b5cf;
}
.desktop-assist-card strong{
  display:block;margin-top:4px;font-size:12px;font-weight:600;color:#f3fbff;line-height:1.35;
}
.desktop-assist-card p{
  margin:4px 0 0;font-size:10.5px;line-height:1.5;color:#b4c8d7;
}
.desktop-assist-card b{color:#eef8ff}
.desktop-assist-card.tip{
  border-color:rgba(106,216,255,.14);
  background:linear-gradient(180deg,rgba(0,80,160,.12),rgba(0,60,120,.08));
}
.desktop-assist-card.tip span{color:#6ad8ff}
.dicon{
  display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:4px;
  padding:6px 4px 4px;border-radius:4px;cursor:pointer;color:#fff;
  font-size:11.5px;line-height:1.25;text-align:center;
  text-shadow:1px 1px 2px rgba(0,0,0,.85),0 0 4px rgba(0,0,0,.6);
  user-select:none;width:80px;
}
.dicon .lbl{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;max-width:78px;padding:1px 3px;border-radius:2px;
}
.dicon:hover{background:rgba(255,255,255,.08)}
.dicon:hover .lbl{background:rgba(0,90,158,.5)}
.dicon.sel{background:rgba(0,120,212,.22);outline:1px solid rgba(0,164,239,.45)}
.dicon.sel .lbl{background:rgba(0,120,212,.55)}
.dicon .ico{
  width:48px;height:48px;display:grid;place-items:center;
  filter:drop-shadow(0 2px 4px rgba(0,0,0,.5));
}
.dicon .ico svg{width:44px;height:44px;display:block}
.dicon .ico .em{font-size:34px;line-height:1}

/* windows — Win11 Mica style */
.win{
  position:absolute;min-width:340px;min-height:220px;
  background:rgba(32,32,32,.78);backdrop-filter:blur(40px) saturate(160%);
  -webkit-backdrop-filter:blur(40px) saturate(160%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:8px;
  box-shadow:0 28px 80px rgba(0,0,0,.55),0 0 0 1px rgba(0,0,0,.4);
  display:flex;flex-direction:column;overflow:hidden;color:#f3f3f3;
  animation:winIn .22s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes winIn{from{transform:translateY(12px) scale(.97);opacity:0}}
.win.min{display:none}
.win.max{top:0!important;left:0!important;width:100%!important;height:calc(100% - 48px)!important;border-radius:0}
.window-layer{position:absolute;inset:0;z-index:20;pointer-events:none}
.window-layer .win{pointer-events:auto}
.titlebar{
  height:32px;display:flex;align-items:center;padding:0 0 0 14px;
  background:rgba(0,0,0,.15);border-bottom:1px solid rgba(255,255,255,.05);
  cursor:grab;user-select:none;touch-action:none;
}
.titlebar.drag{cursor:grabbing}
.titlebar .t-ico{font-size:13px;margin-right:10px;filter:drop-shadow(0 0 2px rgba(0,0,0,.5))}
.titlebar .t-title{font-size:12px;font-weight:400;flex:1 1 auto;min-width:0;color:#f3f3f3;letter-spacing:.01em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.titlebar .t-ico,.titlebar .t-title{pointer-events:none}
.titlebar .t-btns{display:flex;height:100%}
.titlebar .t-btns button{
  width:46px;height:100%;border:0;background:transparent;color:#f3f3f3;cursor:pointer;
  display:grid;place-items:center;
}
.titlebar .t-btns button svg{width:10px;height:10px;fill:none;stroke:currentColor;stroke-width:1;pointer-events:none}
.titlebar .t-btns button *{pointer-events:none}
.titlebar .t-btns button:hover{background:rgba(255,255,255,.08)}
.titlebar .t-btns button.close:hover{background:#c42b1c;color:#fff}
.win-body{flex:1;overflow:auto;padding:0;position:relative;background:rgba(20,20,20,.35)}
.win.active{border-color:rgba(255,255,255,.16);box-shadow:0 32px 90px rgba(0,0,0,.7),0 0 0 1px rgba(0,0,0,.5)}
.win,.win *,.dicon,.dicon *,.tb-app,.tb-app *{-webkit-user-drag:none}

/* taskbar — Win11 */
.taskbar{
  position:absolute;left:0;right:0;bottom:0;height:48px;z-index:150;
  background:rgba(32,32,32,.72);
  backdrop-filter:blur(40px) saturate(180%);
  -webkit-backdrop-filter:blur(40px) saturate(180%);
  border-top:1px solid rgba(255,255,255,.06);
  box-shadow:0 -1px 0 rgba(0,0,0,.3);
  display:flex;align-items:center;padding:0 10px;
}
.tb-center{
  display:flex;align-items:center;gap:8px;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
}
.tb-start{
  width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.04);border:0;cursor:pointer;
  display:grid;place-items:center;color:#f3f3f3;transition:background .15s,transform .15s;
}
.tb-start:hover,.tb-search:hover{background:rgba(255,255,255,.08)}
.tb-start:active{background:rgba(255,255,255,.04);transform:translateY(1px)}
.tb-start-mark{width:24px;height:24px;display:grid;place-items:center}
.tb-start-mark svg{width:24px;height:24px;display:block}
.tb-search{
  width:224px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.1);
  background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
  display:flex;align-items:center;gap:10px;padding:0 14px;color:#d7e6f2;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.tb-search svg{width:16px;height:16px;color:#c6d7e4;flex:0 0 auto}
.tb-search input{
  flex:1;background:transparent;border:0;outline:0;color:#f3f8fc;font-size:13px;font-family:inherit;
}
.tb-search input::placeholder{color:#c6d7e4}
.tb-search-panel{
  position:absolute;left:50%;transform:translateX(-50%);bottom:56px;width:320px;z-index:161;padding:12px;border-radius:16px;
  background:rgba(24,24,24,.94);backdrop-filter:blur(40px) saturate(180%);
  -webkit-backdrop-filter:blur(40px) saturate(180%);
  border:1px solid rgba(255,255,255,.1);box-shadow:0 26px 80px rgba(0,0,0,.5);
}
.tb-search-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:4px 6px 10px;font-size:10px;font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:#8fb4cf;
}
.tb-search-head b{font-size:10px;font-weight:600;color:#dce9f4}
.tb-search-results{display:grid;gap:6px}
.tb-search-result{
  width:100%;padding:10px 12px;border-radius:12px;border:1px solid transparent;background:transparent;
  display:grid;grid-template-columns:38px 1fr;gap:12px;align-items:center;color:#f3f3f3;text-align:left;cursor:pointer;font-family:inherit;
}
.tb-search-result:hover{
  background:rgba(255,255,255,.06);border-color:rgba(106,216,255,.14);
}
.tb-search-result .ico{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;background:rgba(255,255,255,.04);
}
.tb-search-result .ico svg{width:24px;height:24px;display:block}
.tb-search-result strong{display:block;font-size:13px;font-weight:600;color:#f7fbff}
.tb-search-result span{display:block;margin-top:4px;font-size:11px;color:#9fb5c5;line-height:1.45}
.tb-search-empty{
  padding:18px 14px;border-radius:12px;background:rgba(255,255,255,.04);color:#b7cad7;font-size:12px;line-height:1.6;
}
.tb-apps{display:flex;gap:4px}
.tb-app{
  position:relative;width:44px;height:44px;padding:0;border-radius:10px;border:0;cursor:pointer;
  background:transparent;color:#f3f3f3;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  transition:background .15s;
}
.tb-app:hover{background:rgba(255,255,255,.08)}
.tb-app svg{width:24px;height:24px;display:block}
.tb-app > span{display:grid;place-items:center;width:24px;height:24px;font-size:22px;line-height:1}
.tb-app::after{
  content:"";position:absolute;bottom:3px;left:50%;transform:translateX(-50%);
  width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.5);
  transition:all .2s;
}
.tb-app.active::after{width:14px;background:#60cdff;border-radius:2px}
.tray{position:absolute;right:0;top:0;bottom:0;display:flex;align-items:center;gap:2px;padding-right:6px;color:#f3f3f3;font-size:11px}
.tray .ico{padding:8px 8px;border-radius:6px;cursor:pointer;display:grid;place-items:center;color:#f3f3f3}
.tray .ico:hover{background:rgba(255,255,255,.08)}
.tray .ico svg{width:14px;height:14px;fill:currentColor}
.tray .clock{padding:6px 12px;border-radius:6px;line-height:1.2;text-align:right;cursor:default;font-weight:400}
.tray .clock:hover{background:rgba(255,255,255,.06)}
.tray .clock b{font-weight:400;font-size:12px;display:block}
.tray .clock span{font-size:11px;opacity:.9}

/* start menu — Win11 */
.startmenu{
  position:absolute;left:50%;bottom:56px;transform:translateX(-50%);width:640px;height:640px;max-height:calc(100% - 76px);
  background:rgba(32,32,32,.88);backdrop-filter:blur(60px) saturate(180%);
  -webkit-backdrop-filter:blur(60px) saturate(180%);
  border:1px solid rgba(255,255,255,.1);border-radius:10px;
  box-shadow:0 40px 100px rgba(0,0,0,.7);
  z-index:160;display:none;flex-direction:column;overflow:hidden;
}
.startmenu.open{display:flex;animation:winIn .25s cubic-bezier(.2,.9,.3,1.2)}
.sm-search{
  margin:28px 36px 18px;display:flex;align-items:center;gap:10px;
  padding:9px 14px;border-radius:4px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.1);
}
.sm-search svg{width:16px;height:16px;color:#a0a0a0}
.sm-search input{
  flex:1;background:transparent;border:0;outline:0;color:#f3f3f3;font-size:13px;
  font-family:inherit;
}
.sm-search input::placeholder{color:#a0a0a0}
.sm-section{padding:0 36px;margin-bottom:18px}
.sm-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.sm-head h4{margin:0;font-size:13px;font-weight:600;color:#f3f3f3;letter-spacing:0;text-transform:none}
.sm-head button{background:rgba(255,255,255,.06);border:0;color:#f3f3f3;padding:5px 12px;border-radius:4px;font-size:11px;cursor:pointer;font-family:inherit}
.sm-head button:hover{background:rgba(255,255,255,.1)}
.sm-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:4px}
.sm-item{
  display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 4px;
  border-radius:6px;cursor:pointer;color:#f3f3f3;font-size:11px;text-align:center;
  border:1px solid transparent;transition:background .12s;
}
.sm-item.search-hidden{display:none}
.sm-item:hover{background:rgba(255,255,255,.06)}
.sm-item .ico{
  width:32px;height:32px;display:grid;place-items:center;font-size:20px;
  background:transparent;border-radius:6px;
}
.sm-item .lbl{line-height:1.2;max-width:90px;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.sm-foot{
  margin-top:auto;padding:14px 36px;background:rgba(0,0,0,.2);
  border-top:1px solid rgba(255,255,255,.06);
  display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#f3f3f3
}
.sm-foot .user{display:flex;align-items:center;gap:10px}
.sm-foot .avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,#0078d4,#60cdff);display:grid;place-items:center;font-weight:600;font-size:13px;color:#fff}
.sm-foot b{font-weight:600}
.sm-foot .power{padding:8px;border-radius:6px;cursor:pointer;color:#f3f3f3}
.sm-foot .power:hover{background:rgba(255,255,255,.08)}

.ghost-btn.small{padding:10px 14px;font-size:12px}
.hidden{display:none!important}
.os-overlay,.guide-overlay,.mobile-safe{
  position:absolute;inset:0;z-index:190;display:flex;align-items:center;justify-content:center;
  padding:28px;background:rgba(3,7,12,.42);backdrop-filter:blur(14px);
}
.overlay-card,.guide-card{
  width:min(720px,100%);padding:28px 30px;border-radius:28px;
  background:linear-gradient(180deg,rgba(18,22,30,.96),rgba(9,14,21,.94));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 40px 80px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.04);
}
.overlay-kicker{
  font-size:10px;font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:#6ad8ff;
}
.overlay-card h3,.guide-card h3{margin:14px 0 10px;font-size:28px;font-weight:650;color:#f7fbff}
.overlay-card p,.guide-card p{margin:0;color:#b7cad7;font-size:14px;line-height:1.75}
.overlay-option-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px;
}
.overlay-option{
  padding:18px;border-radius:20px;text-align:left;border:1px solid rgba(106,216,255,.12);
  background:linear-gradient(180deg,rgba(14,22,31,.96),rgba(8,14,20,.88));color:#eef8ff;cursor:pointer;
  display:grid;gap:8px;transition:border-color .2s,transform .2s,background .2s;
}
.overlay-option:hover{
  transform:translateY(-2px);border-color:rgba(106,216,255,.36);background:linear-gradient(180deg,rgba(11,33,49,.96),rgba(8,20,30,.9));
}
.overlay-option b{font-size:17px;font-weight:600}
.overlay-option span{font-size:13px;color:#a7becc;line-height:1.6}
.guide-card{width:min(520px,100%)}
.guide-progress{
  margin-top:20px;height:6px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;
}
.guide-progress i{
  display:block;height:100%;width:0;background:linear-gradient(90deg,#00a4ef,#23d6b1);transition:width .35s ease;
}
.workspace-tour{
  position:absolute;inset:0;z-index:191;pointer-events:auto;
  background:rgba(4,8,14,.28);
  backdrop-filter:blur(2px);
  -webkit-backdrop-filter:blur(2px);
}
.workspace-tour-card{
  position:absolute;width:min(360px,calc(100vw - 36px));padding:18px 20px;border-radius:20px;
  background:linear-gradient(180deg,rgba(18,22,30,.98),rgba(9,14,21,.94));
  border:1px solid rgba(255,255,255,.08);
  box-shadow:0 28px 58px rgba(0,0,0,.42),inset 0 1px 0 rgba(255,255,255,.04);
  transition:left .32s ease,top .32s ease;
  pointer-events:auto;
}
.workspace-tour-card::after{
  content:"";position:absolute;left:calc(var(--arrow-left,50%) - 9px);width:18px;height:18px;
  background:linear-gradient(180deg,rgba(18,22,30,.98),rgba(9,14,21,.94));
  border:1px solid rgba(255,255,255,.08);transform:rotate(45deg);
}
.workspace-tour-card.is-below::after{
  top:-10px;border-right:none;border-bottom:none;
}
.workspace-tour-card.is-above::after{
  bottom:-10px;border-left:none;border-top:none;
}
.workspace-tour-card.is-right::after{
  left:-10px;top:calc(var(--arrow-top,50%) - 9px);border-right:none;border-top:none;
}
.workspace-tour-card h4{
  margin:10px 0 8px;font-size:22px;font-weight:650;color:#f7fbff;line-height:1.2;
}
.workspace-tour-card p{
  margin:0;color:#b7cad7;font-size:13px;line-height:1.7;
}
.workspace-tour-actions{
  display:flex;justify-content:flex-end;margin-top:16px;
}
.workspace-tour-next{
  min-width:108px;height:42px;padding:0 18px;border-radius:12px;border:1px solid rgba(106,216,255,.26);
  background:linear-gradient(135deg,rgba(0,120,212,.92),rgba(0,164,239,.92));
  color:#fff;font-size:13px;font-weight:650;letter-spacing:.01em;cursor:pointer;
  box-shadow:0 16px 28px rgba(0,120,212,.26),inset 0 1px 0 rgba(255,255,255,.18);
}
.workspace-tour-next:hover{
  filter:brightness(1.04);
}
.desktop-icons.tour-target{
  background:rgba(7,18,31,.42);
  border:1px solid rgba(106,216,255,.18);
  border-radius:18px;
  box-shadow:0 0 0 10px rgba(0,164,239,.05);
}
.win.tour-target{
  border-color:rgba(106,216,255,.34);
  box-shadow:0 36px 96px rgba(0,0,0,.74),0 0 0 1px rgba(15,163,239,.45),0 0 0 12px rgba(0,164,239,.08);
}
#os.tour-lock .win{
  animation-duration:.1s;
}
#os.tour-lock .taskbar,
#os.tour-lock .desktop-icons,
#os.tour-lock .window-layer,
#os.tour-lock .desktop-assist{
  filter:saturate(.92) brightness(.88);
}
#os.tour-lock .win.tour-target,
#os.tour-lock .desktop-icons.tour-target{
  filter:none;
}
#os.tour-lock .titlebar .t-btns button{
  opacity:.42;
}
.mobile-safe-card{max-width:860px}
.mobile-preview-grid{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:22px 0 24px;
}
.mobile-preview-grid article{
  padding:18px;border-radius:18px;background:linear-gradient(180deg,rgba(14,22,31,.96),rgba(8,14,20,.88));
  border:1px solid rgba(106,216,255,.12);
}
.mobile-preview-grid b{display:block;font-size:16px;color:#eef8ff}
.mobile-preview-grid span{display:block;margin-top:8px;font-size:13px;color:#a7becc;line-height:1.6}

#os.compact-ui .desktop-assist{display:none!important}
#os.compact-ui .desktop-icons{
  top:12px;left:10px;grid-template-columns:repeat(2,74px);grid-auto-rows:82px;
}
#os.compact-ui .dicon{width:70px;font-size:10.5px}
#os.compact-ui .dicon .lbl{max-width:68px}
#os.compact-ui .taskbar{height:46px;padding:0 6px}
#os.compact-ui .tb-center{gap:4px}
#os.compact-ui .tb-start,
#os.compact-ui .tb-app{width:40px;height:40px;border-radius:9px}
#os.compact-ui .tb-start-mark svg,
#os.compact-ui .tb-app svg{width:22px;height:22px}
#os.compact-ui .tb-search,
#os.compact-ui .tb-search-panel{display:none}
#os.compact-ui .startmenu{
  width:min(560px,calc(100% - 16px));
  height:min(560px,calc(100% - 70px));
  bottom:52px;border-radius:16px;
}
#os.compact-ui .sm-search{margin:20px 22px 14px}
#os.compact-ui .sm-section{padding:0 22px;margin-bottom:14px}
#os.compact-ui .sm-grid{grid-template-columns:repeat(5,1fr)}
#os.compact-ui .sm-foot{padding:12px 22px}
#os.compact-ui .workspace-tour{padding:18px}
#os.compact-ui .guide-card,
#os.compact-ui .overlay-card{padding:22px 22px 24px;border-radius:24px}
#os.compact-ui .guide-card h3,
#os.compact-ui .overlay-card h3{font-size:24px}

/* Windows 11 Toast Notification */
.win11-toast{
  position:absolute;bottom:60px;right:14px;z-index:9999;
  width:340px;max-width:calc(100vw - 28px);
  background:rgba(40,40,48,.96);
  backdrop-filter:blur(40px) saturate(180%);
  -webkit-backdrop-filter:blur(40px) saturate(180%);
  border:1px solid rgba(255,255,255,.1);
  border-radius:8px;
  box-shadow:0 8px 32px rgba(0,0,0,.55),0 1px 4px rgba(0,0,0,.3);
  color:#f3f3f3;font-family:"Segoe UI Variable","Segoe UI",sans-serif;
  transform:translateY(20px) scale(.97);
  transition:transform .35s cubic-bezier(.22,1,.36,1),opacity .25s ease;
  opacity:0;overflow:hidden;
  pointer-events:auto;
}
.win11-toast.show{
  transform:translateY(0) scale(1);opacity:1;
}
.win11-toast.hide{
  transform:translateY(20px) scale(.97);opacity:0;
}
.win11-toast-header{
  display:flex;align-items:center;gap:8px;padding:12px 12px 0;
}
.win11-toast-icon{
  width:16px;height:16px;flex-shrink:0;
}
.win11-toast-icon img{
  width:100%;height:100%;object-fit:contain;
}
.win11-toast-app{
  font-size:11px;color:#a0a0a0;font-weight:500;
}
.win11-toast-time{
  margin-left:auto;font-size:10px;color:#777;
}
.win11-toast-close{
  margin-left:4px;width:22px;height:22px;border:0;background:transparent;
  color:#999;font-size:15px;cursor:pointer;border-radius:4px;display:grid;place-items:center;
  line-height:1;
}
.win11-toast-close:hover{background:rgba(255,255,255,.08);color:#fff}
.win11-toast-body{
  padding:8px 12px 10px;
}
.win11-toast-title{
  font-size:13px;font-weight:600;color:#fff;margin:0 0 4px;line-height:1.35;
}
.win11-toast-desc{
  font-size:11.5px;color:#b8b8b8;line-height:1.5;margin:0;
}
.win11-toast-actions{
  display:flex;gap:6px;padding:0 12px 10px;
}
.win11-toast-actions button{
  flex:1;padding:6px 10px;border-radius:4px;border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.06);color:#e8e8e8;font-size:11px;cursor:pointer;
  font-family:inherit;transition:background .15s;
}
.win11-toast-actions button:hover{background:rgba(255,255,255,.12)}
.win11-toast-actions button.primary{
  background:rgba(0,120,212,.5);border-color:rgba(0,120,212,.6);color:#fff;
}
.win11-toast-actions button.primary:hover{background:rgba(0,120,212,.7)}
.win11-toast-progress{
  height:2px;background:rgba(255,255,255,.04);
}
.win11-toast-progress-bar{
  height:100%;background:linear-gradient(90deg,#e5322d,#ff5f6d);
  animation:toastProgress 30s linear forwards;
}
@keyframes toastProgress{
  from{width:100%}to{width:0%}
}
.win11-toast-badge{
  display:inline-flex;align-items:center;gap:5px;padding:2px 7px;
  border-radius:3px;font-size:9px;font-weight:700;letter-spacing:.06em;
  margin-bottom:5px;text-transform:uppercase;
}
.win11-toast-badge.critical{
  background:rgba(255,95,109,.15);color:#ff5f6d;
}
.win11-toast-badge.warning{
  background:rgba(255,181,71,.15);color:#ffb547;
}
.win11-toast-txone{
  display:flex;align-items:flex-start;gap:6px;
  margin-top:6px;padding:6px 8px;border-radius:5px;
  background:rgba(229,50,45,.08);border:1px solid rgba(229,50,45,.12);
  font-size:10.5px;color:#e5928f;line-height:1.45;
}
.win11-toast-txone img{
  width:14px;height:14px;flex-shrink:0;margin-top:1px;
}
@keyframes toastPulse{
  0%,100%{box-shadow:0 8px 32px rgba(0,0,0,.55)}
  50%{box-shadow:0 8px 32px rgba(0,0,0,.55),0 0 16px rgba(229,50,45,.2)}
}
.win11-toast.alert{animation:toastPulse 1.5s ease-in-out 2}