:root{
  --bg:#02040a;
  --panel:rgba(3,8,20,.82);
  --panel2:rgba(5,12,28,.94);
  --border:rgba(77,163,255,.34);
  --border2:rgba(77,163,255,.16);
  --blue:#4da3ff;
  --blue2:#1565ff;
  --text:#eaf5ff;
  --muted:#8fb6e8;
  --danger:#ff5577;
  --ok:#72d89d;
}
*{box-sizing:border-box}
html,body{width:100%;height:100%;margin:0;overflow:hidden;background:var(--bg);color:var(--text);font-family:Segoe UI,Inter,Arial,sans-serif}
button,input,textarea,select{font:inherit}
.login-body{display:grid;place-items:center;background:radial-gradient(circle at 50% 20%,rgba(77,163,255,.22),transparent 25%),#02040a}
.login-card{width:min(420px,92vw);padding:34px;border:1px solid var(--border);border-radius:18px;background:rgba(4,10,24,.88);box-shadow:0 0 45px rgba(77,163,255,.18);backdrop-filter:blur(14px)}
.login-logo,.launcher-logo,.top-center,.big-n{font-weight:900;color:var(--blue);text-shadow:0 0 20px rgba(77,163,255,.8)}
.login-logo{font-size:76px}.login-card h1{letter-spacing:6px;font-size:24px}.login-card p,.login-card small{color:var(--muted)}
.login-card label{display:block;margin:16px 0 6px;color:var(--muted);font-size:12px;letter-spacing:2px}
.login-card input{width:100%;padding:12px;border:1px solid var(--border);background:#02040a;color:var(--text);border-radius:8px}
.login-card button,.primary{width:100%;padding:12px;margin-top:20px;border:1px solid var(--blue);background:linear-gradient(135deg,#0b2c68,#05142f);color:white;border-radius:8px;cursor:pointer}
.error{padding:10px;border:1px solid var(--danger);color:#ffdbe3;background:rgba(255,85,119,.12);border-radius:8px}
#desktop{position:relative;width:100vw;height:100vh}
.wallpaper{position:absolute;inset:0;background:linear-gradient(to bottom,rgba(0,0,0,.25),rgba(0,0,0,.65)),radial-gradient(circle at 52% 36%,rgba(77,163,255,.2),transparent 33%),repeating-linear-gradient(to right,rgba(77,163,255,.03) 0 1px,transparent 1px 120px),linear-gradient(180deg,#02040a,#06122b 50%,#02040a)}
.wallpaper:before{content:"";position:absolute;left:12vw;right:8vw;bottom:17vh;height:42vh;background:linear-gradient(to top,rgba(77,163,255,.28),transparent),repeating-linear-gradient(90deg,transparent 0 36px,rgba(77,163,255,.25) 36px 38px,transparent 38px 90px);clip-path:polygon(0 100%,0 60%,5% 60%,5% 38%,10% 38%,10% 70%,15% 70%,15% 25%,23% 25%,23% 58%,29% 58%,29% 35%,36% 35%,36% 75%,42% 75%,42% 20%,50% 20%,50% 66%,58% 66%,58% 30%,66% 30%,66% 80%,72% 80%,72% 22%,78% 22%,78% 62%,85% 62%,85% 32%,91% 32%,91% 72%,100% 72%,100% 100%);opacity:.65;filter:drop-shadow(0 0 20px rgba(77,163,255,.55))}
.launcher{position:absolute;left:0;top:0;bottom:0;width:84px;z-index:20;border-right:1px solid var(--border2);background:rgba(0,0,0,.48);backdrop-filter:blur(10px);display:flex;flex-direction:column;align-items:center;gap:8px;padding:12px 8px}
.launcher-logo{font-size:32px;margin-bottom:12px}.launcher button,.launcher a,.dock button{border:1px solid var(--border);background:rgba(3,8,20,.86);color:var(--blue);border-radius:8px;cursor:pointer;text-decoration:none;display:grid;place-items:center}
.launcher button,.launcher a{width:46px;height:44px;position:relative}.launcher span{position:absolute;left:58px;opacity:0;pointer-events:none;background:#02040a;border:1px solid var(--border);padding:6px 10px;border-radius:8px;color:var(--text);font-size:12px}.launcher button:hover span,.launcher a:hover span{opacity:1}
.topbar{position:absolute;left:84px;right:0;top:0;height:42px;z-index:10;border-bottom:1px solid var(--border2);background:rgba(0,0,0,.38);backdrop-filter:blur(10px);display:flex;align-items:center;justify-content:space-between;padding:0 22px;color:var(--muted);font-size:13px;letter-spacing:2px}.top-center{font-size:30px;position:absolute;left:50%;transform:translateX(-50%)}
.widget,.window{position:absolute;border:1px solid var(--border);background:var(--panel);backdrop-filter:blur(14px);box-shadow:0 0 24px rgba(77,163,255,.10),0 24px 80px rgba(0,0,0,.55)}
.widget{border-radius:10px;padding:18px;z-index:4}.widget h3{margin:0 0 14px;font-size:12px;letter-spacing:2px;color:#b9d6ff}.welcome{left:110px;top:74px;width:250px}.welcome h2{font-size:18px;color:var(--blue);letter-spacing:2px}.big-n{font-size:72px;float:left;margin-right:20px}.status-dot{display:inline-block;width:8px;height:8px;background:var(--blue);border-radius:50%;box-shadow:0 0 12px var(--blue)}.overview{left:110px;top:294px;width:250px}.overview label{display:flex;justify-content:space-between;color:var(--muted);font-size:12px;margin-top:10px}progress{width:100%;height:7px;accent-color:var(--blue)}.notifications{right:18px;bottom:76px;width:266px;min-height:210px}.notification-item{border-bottom:1px solid var(--border2);padding:10px 0}.notification-item b{display:block;font-size:12px}.notification-item span{font-size:11px;color:var(--muted)}
.dock{position:absolute;left:50%;bottom:14px;transform:translateX(-50%);z-index:30;display:flex;gap:12px;padding:10px 16px;border:1px solid var(--border);border-radius:12px;background:rgba(0,0,0,.55);backdrop-filter:blur(14px)}.dock button{width:38px;height:38px}
.window{z-index:50;border-radius:10px;overflow:hidden;min-width:380px;min-height:260px}.window.active{z-index:80;box-shadow:0 0 35px rgba(77,163,255,.22),0 28px 100px rgba(0,0,0,.72)}.window-title{height:42px;background:rgba(2,6,16,.94);border-bottom:1px solid var(--border2);display:flex;align-items:center;justify-content:space-between;padding:0 12px;cursor:grab}.window-title b{letter-spacing:2px;color:#bfe1ff;font-size:12px}.window-actions button{width:28px;height:28px;margin-left:4px;border:0;background:transparent;color:var(--muted);cursor:pointer}.window-body{height:calc(100% - 42px);padding:16px;overflow:auto}
.toolbar{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}.toolbar input,.toolbar textarea,.toolbar select,.app-input,textarea{background:rgba(0,0,0,.35);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px}.toolbar button,.app-btn{border:1px solid var(--border);background:rgba(77,163,255,.12);color:#e8f3ff;border-radius:8px;padding:9px 12px;cursor:pointer}
.file-shell{display:grid;grid-template-columns:170px 1fr;gap:12px;height:100%}.file-sidebar{border-right:1px solid var(--border2);padding-right:12px}.file-sidebar button{width:100%;margin-bottom:8px}.breadcrumb{color:var(--muted);font-size:12px;margin-bottom:10px}.file-table{width:100%;border-collapse:collapse}.file-table th,.file-table td{border-bottom:1px solid var(--border2);padding:10px;text-align:left;font-size:13px}.file-table tr:hover{background:rgba(77,163,255,.07)}.file-name{cursor:pointer;color:#dcecff}.file-actions button{padding:5px 8px;margin-right:4px}.editor-layout{height:100%;display:grid;grid-template-rows:auto 1fr auto;gap:10px}.code-editor{width:100%;height:100%;min-height:420px;font-family:Consolas,Monaco,monospace;font-size:14px;line-height:1.5;background:rgba(0,0,0,.58);color:#dbeeff;border:1px solid var(--border);border-radius:8px;padding:14px;resize:none;tab-size:2}.editor-status{color:var(--muted);font-size:12px}
.terminal-screen{font-family:Consolas,monospace;background:rgba(0,0,0,.55);border:1px solid var(--border2);height:100%;padding:12px;color:#8de3ff;white-space:pre-wrap}.note-list,.task-list,.event-list{display:grid;gap:10px}.note-card,.task-card,.event-card{border:1px solid var(--border2);border-radius:10px;background:rgba(77,163,255,.04);padding:12px}.task-card.done{text-decoration:line-through;opacity:.55}.monitor-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.monitor-card{border:1px solid var(--border2);padding:18px;border-radius:10px;background:rgba(0,0,0,.25)}
@media(max-width:1100px){.widget{display:none}.launcher{width:64px}.topbar{left:64px}}