*,*:before,*:after{box-sizing:border-box}html,body{margin:0;width:100%;height:100%}body{font-family:Tahoma,Segoe UI,sans-serif;background:#0b0f12;color:#f5f7f9;overflow:hidden}button,input{font:inherit;color:inherit}img{display:block;max-width:100%}:root{--icon-desktop-size: 62px;--icon-taskbar-size: 20px;--icon-window-btn-size: 16px;--taskbar-height: 40px;--radius-md: 10px;--radius-sm: 8px;--surface-100: rgba(14, 23, 31, .72);--surface-200: rgba(24, 36, 46, .86);--surface-300: rgba(27, 43, 56, .96);--line-soft: rgba(255, 255, 255, .16);--line-strong: rgba(255, 255, 255, .32);--text-main: #f5f7f9;--text-dim: #d7e0e8;--accent: #39cfbe;--accent-alt: #ff9759;--danger: #ff5b5b;--shadow-lg: 0 20px 40px rgba(0, 0, 0, .35);--shadow-md: 0 12px 22px rgba(0, 0, 0, .28)}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}[hidden]{display:none!important}.boot-overlay{position:fixed;inset:0;display:grid;place-items:center;background:radial-gradient(circle at 50% 95%,rgba(35,76,145,.42),transparent 46%),linear-gradient(180deg,#030303,#070707 55%,#0d1018);z-index:9999;transition:opacity .28s ease}.boot-overlay.is-hidden{opacity:0;pointer-events:none}.boot-card{width:min(540px,calc(100vw - 34px));padding:18px 20px 22px;border:1px solid #244a86;border-radius:10px;background:linear-gradient(180deg,#0a0e17f2,#030509f7);box-shadow:0 14px 30px #00000073;text-align:center}.boot-logo-wrap{display:inline-flex;align-items:center;gap:12px;margin-bottom:6px}.boot-brand{width:54px;height:54px;margin:0}.boot-title{margin:0;font-size:2.05rem;color:#fff;line-height:1;text-shadow:0 1px 0 rgba(0,0,0,.65)}.boot-title-wrap{text-align:left}.boot-edition{margin:4px 0 0;font-size:.82rem;color:#8bb5ff;text-transform:uppercase;letter-spacing:1px}.boot-status{margin:4px 0 10px;color:#cfd8ea;font-size:.88rem}.boot-progress-track{width:min(360px,100%);margin:0 auto;height:16px;border-radius:3px;border:1px solid #5577b2;background:#031022;overflow:hidden}.boot-progress-fill{width:0%;height:100%;border-radius:2px;background:repeating-linear-gradient(90deg,#2d6fd1 0 10px,#5e9cf5 10px 20px);background-size:20px 100%;animation:boot-bar .46s linear infinite;transition:width .13s linear}.boot-skip{margin:12px 0 0;color:#8e9fbf;font-size:.78rem}@keyframes boot-bar{0%{background-position:0 0}to{background-position:20px 0}}.desktop-shell{position:relative;width:100vw;height:100vh;overflow:hidden}.toast-region{position:fixed;top:14px;right:14px;z-index:1200;display:grid;gap:8px}.toast{min-width:220px;max-width:360px;border:1px solid var(--line-soft);border-radius:var(--radius-sm);background:var(--surface-300);color:var(--text-main);padding:10px 12px;box-shadow:var(--shadow-md);transform:translateY(-6px);opacity:0;animation:toast-in .18s ease forwards}.toast.error{border-color:color-mix(in srgb,var(--danger) 45%,var(--line-soft))}@keyframes toast-in{to{opacity:1;transform:translateY(0)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}