/*
 * MABNI Digital Skills OS
 * Copyright © 2026 MABNI. All rights reserved.
 * SPDX-License-Identifier: LicenseRef-MABNI-Proprietary
 */
:root{
  --bg:#0b0713; --panel:rgba(18,14,30,.88); --panel2:#1b1430; --glass:rgba(255,255,255,.08);
  --stroke:rgba(255,255,255,.14); --stroke2:rgba(255,255,255,.25); --text:#f7f3ff; --muted:#b8acca;
  --purple:#7c3aed; --cyan:#22d3ee; --green:#51e28a; --yellow:#facc15; --red:#fb7185; --blue:#3b82f6;
  --shadow:0 26px 80px rgba(0,0,0,.45); --taskbar-h:58px; font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
*{box-sizing:border-box} html,body{height:100%;margin:0;overflow:hidden;background:var(--bg);color:var(--text)}
button,input,select,textarea{font:inherit} button{border:0;cursor:pointer;color:inherit}.hidden{display:none!important}
.boot-screen{position:fixed;inset:0;display:grid;place-items:center;z-index:3000;background:radial-gradient(circle at 20% 15%,rgba(124,58,237,.35),transparent 32%),radial-gradient(circle at 85% 80%,rgba(34,211,238,.22),transparent 30%),#0b0713}.boot-card{width:min(650px,calc(100% - 32px));padding:42px;border:1px solid var(--stroke);border-radius:30px;background:rgba(15,10,28,.86);box-shadow:var(--shadow);text-align:center;backdrop-filter:blur(18px)}.brand-mark{font-size:42px;font-weight:950;letter-spacing:-.06em}.brand-mark span{color:var(--cyan)}.brand-mark.small{font-size:24px;text-align:left}.boot-card h1{margin:10px 0;font-size:clamp(28px,4vw,46px);letter-spacing:-.04em}.boot-card p{max-width:540px;margin:0 auto 25px;color:var(--muted);line-height:1.6}.boot-card button,.primary{padding:13px 22px;border-radius:999px;background:linear-gradient(135deg,var(--purple),#4f46e5 55%,var(--cyan));font-weight:900;box-shadow:0 12px 35px rgba(124,58,237,.35)}
.desktop{height:100%;position:relative;overflow:hidden;background:linear-gradient(145deg,#0e0719,#20143a 56%,#071a22)}.desktop:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:52px 52px;mask-image:radial-gradient(circle at 40% 35%,black,transparent 72%)}.wallpaper-glow{position:absolute;width:440px;height:440px;border-radius:999px;filter:blur(28px);opacity:.34;pointer-events:none}.glow-one{left:16%;top:10%;background:var(--purple)}.glow-two{right:14%;bottom:16%;background:var(--cyan)}
.desktop-icons{position:absolute;left:18px;top:18px;width:118px;display:grid;gap:10px;z-index:2;max-height:calc(100% - 82px);overflow-y:auto;padding-right:4px}.desktop-icon{min-height:88px;padding:7px 5px;border-radius:16px;border:1px solid transparent;background:transparent;text-align:center;text-shadow:0 2px 8px rgba(0,0,0,.55);transition:.15s}.desktop-icon:hover,.desktop-icon.selected{background:rgba(255,255,255,.11);border-color:var(--stroke)}.desktop-icon .icon-main{font-size:35px;display:block;margin-bottom:5px}.desktop-icon .writer-icon{width:42px;height:42px;margin:0 auto 5px;border-radius:12px;background:linear-gradient(135deg,#2563eb,#60a5fa);display:grid;place-items:center;font-size:22px;font-weight:950}.desktop-icon b{display:block;font-size:12px;line-height:1.15;word-break:break-word}
.window-layer{position:absolute;inset:0 0 var(--taskbar-h) 0;z-index:5;pointer-events:none}.app-window{position:absolute;min-width:360px;min-height:250px;border:1px solid var(--stroke2);border-radius:18px;overflow:hidden;background:rgba(15,12,25,.91);box-shadow:var(--shadow);backdrop-filter:blur(20px);pointer-events:auto;display:flex;flex-direction:column}.app-window.maximized{left:132px!important;top:10px!important;right:318px!important;bottom:10px!important;width:auto!important;height:auto!important;border-radius:20px}.window-titlebar{height:46px;display:flex;align-items:center;gap:10px;padding:0 10px 0 14px;background:linear-gradient(90deg,rgba(255,255,255,.11),rgba(255,255,255,.04));border-bottom:1px solid var(--stroke);user-select:none}.app-badge{width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:rgba(255,255,255,.11);font-weight:950}.app-badge.writer{background:linear-gradient(135deg,#2563eb,#60a5fa)}.window-titlebar h3{flex:1;margin:0;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.window-controls{display:flex;gap:6px}.window-controls button{width:30px;height:30px;display:grid;place-items:center;border-radius:10px;background:rgba(255,255,255,.08)}.window-controls button:hover{background:rgba(255,255,255,.18)}.window-body{flex:1;overflow:hidden;background:rgba(255,255,255,.025)}.resize-handle{position:absolute;right:0;bottom:0;width:22px;height:22px;cursor:nwse-resize;opacity:.55}.resize-handle:after{content:"";position:absolute;right:6px;bottom:6px;width:10px;height:10px;border-right:2px solid rgba(255,255,255,.55);border-bottom:2px solid rgba(255,255,255,.55)}
.taskbar{position:absolute;left:0;right:0;bottom:0;height:var(--taskbar-h);display:flex;align-items:center;gap:10px;padding:8px 12px;background:rgba(11,8,18,.9);border-top:1px solid var(--stroke);backdrop-filter:blur(22px);z-index:1000}.start-button,.task-buttons button,.status-strip button{height:40px;border-radius:13px;background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.08);padding:0 12px;display:inline-flex;align-items:center;gap:8px}.start-button:hover,.task-buttons button:hover,.status-strip button:hover{background:rgba(255,255,255,.16)}.m-icon{width:24px;height:24px;display:inline-grid;place-items:center;border-radius:8px;background:linear-gradient(135deg,var(--purple),var(--cyan));font-weight:950}.task-buttons{flex:1;display:flex;gap:8px;overflow-x:auto}.task-buttons button.active{background:rgba(34,211,238,.18);border-color:rgba(34,211,238,.34)}.status-strip{display:flex;gap:8px;align-items:center}.status-strip time{color:var(--muted);font-weight:800;padding:0 8px}.network-off{color:var(--red)!important}.network-cable{color:var(--cyan)!important}.network-wifi{color:var(--green)!important}
.start-menu{position:absolute;left:12px;bottom:68px;width:275px;border:1px solid var(--stroke);border-radius:22px;background:rgba(17,13,29,.96);box-shadow:var(--shadow);z-index:1200;padding:12px}.start-menu-head{padding:10px 10px 14px;border-bottom:1px solid var(--stroke);margin-bottom:8px}.start-menu-head p{margin:2px 0 0;color:var(--muted);font-size:12px}.start-menu button{width:100%;text-align:left;padding:12px;border-radius:13px;background:transparent}.start-menu button:hover{background:rgba(255,255,255,.09)}
.mission-panel{position:absolute;top:14px;right:14px;width:302px;bottom:72px;z-index:12;background:rgba(17,13,29,.82);border:1px solid var(--stroke);border-radius:22px;box-shadow:var(--shadow);backdrop-filter:blur(18px);display:flex;flex-direction:column;transition:transform .22s ease}.mission-panel.collapsed{transform:translateX(330px)}.mission-panel header{display:flex;gap:10px;align-items:start;justify-content:space-between;padding:16px;border-bottom:1px solid var(--stroke)}.mission-panel h2{font-size:18px;margin:2px 0 0;letter-spacing:-.03em}.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan);font-weight:900}.mission-panel header button{width:34px;height:34px;border-radius:12px;background:rgba(255,255,255,.08);font-size:22px}.mission-toggle{position:absolute;right:0;top:45%;z-index:13;writing-mode:vertical-rl;transform:translateY(-50%);padding:14px 8px;border-radius:14px 0 0 14px;background:linear-gradient(180deg,var(--purple),var(--cyan));font-weight:950;box-shadow:var(--shadow)}.mission-tabs{display:flex;gap:6px;overflow-x:auto;padding:10px 12px}.mission-tabs button{white-space:nowrap;padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.07);color:var(--muted);font-size:12px;font-weight:850}.mission-tabs button.active{background:rgba(34,211,238,.16);color:var(--cyan)}.mission-body{padding:0 16px 12px;overflow:auto;flex:1}.mission-desc{color:var(--muted);line-height:1.5;font-size:13px}.step-list{padding:0;margin:10px 0;display:grid;gap:8px;list-style:none}.step-list li{display:flex;gap:9px;padding:10px;border-radius:14px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.08);font-size:13px;line-height:1.35;color:var(--muted)}.step-list li.done{color:var(--green);background:rgba(81,226,138,.08);border-color:rgba(81,226,138,.25)}.step-num{width:22px;height:22px;display:grid;place-items:center;border-radius:999px;background:rgba(255,255,255,.1);font-size:12px;font-weight:950;flex:0 0 22px}.mission-actions{display:flex;gap:8px;padding:12px;border-top:1px solid var(--stroke)}.mission-actions button{flex:1;border-radius:12px;padding:10px 6px;background:rgba(255,255,255,.08);font-size:12px;font-weight:850}
.context-menu{position:fixed;z-index:2500;min-width:205px;padding:7px;border:1px solid var(--stroke2);border-radius:15px;background:rgba(17,13,29,.98);box-shadow:var(--shadow)}.context-menu button{display:block;width:100%;text-align:left;padding:10px 11px;border-radius:10px;background:transparent;font-size:13px}.context-menu button:hover{background:rgba(255,255,255,.1)}.context-sep{height:1px;background:var(--stroke);margin:6px 4px}.toast-area{position:absolute;right:18px;bottom:78px;z-index:2200;display:grid;gap:9px}.toast{width:300px;padding:12px 14px;border-radius:16px;background:rgba(15,12,25,.94);border:1px solid var(--stroke);box-shadow:var(--shadow)}.toast b{display:block;margin-bottom:3px}.toast p{margin:0;color:var(--muted);font-size:13px;line-height:1.35}
.app-shell{height:100%;display:flex;flex-direction:column}.toolbar{min-height:48px;display:flex;gap:8px;align-items:center;padding:8px;border-bottom:1px solid var(--stroke);background:rgba(255,255,255,.04);overflow-x:auto}.toolbar button,.pill-button{padding:9px 11px;border-radius:12px;background:rgba(255,255,255,.085);font-weight:850;white-space:nowrap}.toolbar button:hover,.pill-button:hover{background:rgba(255,255,255,.16)}.toolbar input,.toolbar select,.address{height:38px;border-radius:12px;border:1px solid var(--stroke);background:rgba(0,0,0,.26);color:var(--text);padding:0 12px;outline:none}.breadcrumbs{padding:8px 10px;border-radius:12px;background:rgba(0,0,0,.18);color:var(--muted);font-size:13px;min-width:160px}.split{flex:1;display:grid;grid-template-columns:190px 1fr;min-height:0}.sidebar{border-right:1px solid var(--stroke);padding:10px;overflow:auto;background:rgba(0,0,0,.12)}.sidebar button{display:block;width:100%;text-align:left;padding:10px;border-radius:12px;background:transparent;color:var(--muted);margin-bottom:4px}.sidebar button:hover,.sidebar button.active{background:rgba(255,255,255,.09);color:var(--text)}.file-area{padding:12px;overflow:auto;min-height:0}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(116px,1fr));gap:11px;padding-bottom:120px}.file-item{min-height:96px;border:1px solid transparent;border-radius:16px;padding:10px;text-align:center;background:rgba(255,255,255,.045);display:grid;place-items:center;gap:4px;user-select:none}.file-item:hover,.file-item.selected{background:rgba(34,211,238,.12);border-color:rgba(34,211,238,.38)}.file-icon{font-size:33px}.file-name{font-size:12px;line-height:1.2;word-break:break-word}.rename-input{width:100%;border:1px solid var(--cyan);border-radius:8px;background:#111;color:#fff;padding:5px;font-size:12px}.app-content{height:100%;overflow:auto;padding:18px}.info-card,.form-card{padding:16px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid var(--stroke);margin-bottom:12px}.info-card h3,.form-card h3{margin:0 0 8px;letter-spacing:-.02em}.info-card p,.form-card p{color:var(--muted);line-height:1.5;margin:0 0 10px}.badge-row{display:flex;gap:8px;flex-wrap:wrap}.badge{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.09);color:var(--muted);font-size:12px;font-weight:850}.badge.good{color:var(--green);background:rgba(81,226,138,.10);border-color:rgba(81,226,138,.35)}.badge.warn{color:var(--yellow);background:rgba(250,204,21,.10);border-color:rgba(250,204,21,.35)}.badge.bad{color:var(--red);background:rgba(251,113,133,.10);border-color:rgba(251,113,133,.35)}
.browser-tabs{height:38px;display:flex;align-items:end;gap:4px;padding:5px 8px 0;border-bottom:1px solid var(--stroke);background:rgba(0,0,0,.16);overflow-x:auto}.browser-tab{max-width:190px;min-width:110px;height:32px;display:flex;align-items:center;justify-content:space-between;gap:8px;padding:0 8px;border-radius:11px 11px 0 0;background:rgba(255,255,255,.07);color:var(--muted);font-size:12px}.browser-tab.active{background:rgba(34,211,238,.15);color:var(--text)}.browser-tab span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.browser-tab button{background:transparent;color:inherit;padding:0 3px}.new-tab-btn{height:30px;width:32px;border-radius:10px;background:rgba(255,255,255,.08)}.browser-toolbar .address{flex:1;min-width:250px}.browser-page{padding:18px;overflow:auto}.browser-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px}.browser-card{padding:16px;border:1px solid var(--stroke);border-radius:18px;background:rgba(255,255,255,.055);text-align:left}.browser-card .big{font-size:34px;display:block;margin-bottom:8px}.browser-card h4{margin:0 0 5px}.browser-card p{margin:0;color:var(--muted);font-size:13px}.search-box{display:flex;gap:10px;margin:14px 0}.search-box input{flex:1;height:42px;border-radius:14px;border:1px solid var(--stroke);background:rgba(0,0,0,.25);color:var(--text);padding:0 14px}.security-layout{display:grid;grid-template-columns:260px 1fr;gap:14px;min-height:380px}.mail-list{display:grid;gap:8px;align-content:start}.mail-item{padding:12px;border:1px solid var(--stroke);border-radius:14px;background:rgba(255,255,255,.055);text-align:left}.mail-item.active{border-color:rgba(34,211,238,.5);background:rgba(34,211,238,.1)}.mail-item b,.mail-view b{display:block}.mail-item small,.mail-view small{display:block;color:var(--muted);margin-top:3px}.mail-view{padding:16px;border:1px solid var(--stroke);border-radius:18px;background:rgba(255,255,255,.055)}.fake-link{display:inline-block;padding:8px 10px;border-radius:10px;background:rgba(34,211,238,.1);color:var(--cyan);margin:10px 0}.action-log{margin-top:12px;padding:10px;border-radius:12px;background:rgba(0,0,0,.2);color:var(--muted);font-size:13px}
.gmail-wrap{height:100%;display:grid;place-items:center;padding:24px;background:radial-gradient(circle at 25% 10%,rgba(96,165,250,.2),transparent 32%),radial-gradient(circle at 80% 80%,rgba(124,58,237,.22),transparent 35%)}.gmail-card{width:min(680px,100%);min-height:450px;border:1px solid var(--stroke);border-radius:28px;background:rgba(11,9,20,.9);padding:28px;box-shadow:var(--shadow)}.gmail-card h2{margin:0 0 8px;font-size:28px;letter-spacing:-.03em}.gmail-card p{color:var(--muted);line-height:1.5}.gmail-form{display:grid;gap:12px;margin-top:18px}.gmail-form label{display:grid;gap:6px;color:var(--muted);font-size:13px;font-weight:850}.gmail-form input,.gmail-form select,.gmail-form textarea{width:100%;border:1px solid var(--stroke);border-radius:13px;background:rgba(0,0,0,.28);color:var(--text);padding:12px;outline:none}.gmail-form .two{display:grid;grid-template-columns:1fr 1fr;gap:12px}.gmail-nav{display:flex;justify-content:space-between;align-items:center;margin-top:20px;gap:10px}.gmail-nav button{padding:11px 16px;border-radius:13px;background:rgba(255,255,255,.09);font-weight:850}.security-note{border-left:4px solid var(--yellow);padding:10px 12px;border-radius:13px;background:rgba(250,204,21,.09);color:#ffe88a!important;font-size:13px}.fake-inbox{border:1px solid var(--stroke);border-radius:18px;overflow:hidden}.fake-inbox-row{padding:12px 14px;border-bottom:1px solid var(--stroke);display:flex;justify-content:space-between;gap:10px}.fake-inbox-row:last-child{border-bottom:0}
.writer-shell{height:100%;display:flex;flex-direction:column;background:#15111f}.writer-toolbar{display:flex;gap:7px;align-items:center;flex-wrap:wrap;padding:9px;border-bottom:1px solid var(--stroke);background:linear-gradient(90deg,#173c8f,#2563eb)}.writer-toolbar select,.writer-toolbar input{height:34px;border:0;border-radius:9px;padding:0 8px;background:rgba(255,255,255,.92);color:#111}.writer-toolbar input[type=color]{width:42px;padding:3px}.writer-toolbar button{height:34px;min-width:34px;padding:0 9px;border-radius:9px;background:rgba(255,255,255,.18);font-weight:950}.writer-toolbar button:hover{background:rgba(255,255,255,.3)}.writer-paper-wrap{flex:1;overflow:auto;padding:24px;background:#201b2d}.writer-paper{width:min(760px,calc(100% - 10px));min-height:720px;margin:0 auto;background:#fff;color:#111;padding:56px 64px;border-radius:4px;box-shadow:0 24px 55px rgba(0,0,0,.35);outline:none;line-height:1.55}.writer-paper:focus{box-shadow:0 0 0 3px rgba(34,211,238,.25),0 24px 55px rgba(0,0,0,.35)}.writer-paper h1,.writer-paper h2,.writer-paper p{margin-top:0}.writer-status{padding:7px 12px;color:var(--muted);font-size:12px;border-top:1px solid var(--stroke);background:rgba(255,255,255,.04)}
.device-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}.device-card{padding:14px;border-radius:18px;background:rgba(255,255,255,.055);border:1px solid var(--stroke)}.device-card .emoji{font-size:36px}.device-card h4{margin:8px 0 4px}.device-card p{margin:0 0 10px;color:var(--muted);font-size:13px}.device-card button{width:100%;padding:9px;border-radius:12px;background:rgba(255,255,255,.08)}.device-card.connected{border-color:rgba(81,226,138,.55);background:rgba(81,226,138,.08)}.fake-monitor-wrap{display:grid;grid-template-columns:1fr 270px;gap:16px;align-items:start}.fake-desk{min-height:390px;position:relative;border-radius:24px;border:1px solid var(--stroke);background:radial-gradient(circle at 50% 0%,rgba(34,211,238,.18),transparent 34%),linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.03));overflow:hidden}.hw{position:absolute;display:grid;place-items:center;border:1px solid var(--stroke);background:rgba(255,255,255,.08);border-radius:18px;transition:.18s}.hw:hover,.hw.active{transform:translateY(-2px);box-shadow:0 18px 32px rgba(0,0,0,.28);border-color:rgba(34,211,238,.6)}.hw .hw-emoji{font-size:44px}.hw-monitor{left:29%;top:30px;width:190px;height:125px}.hw-case{left:63%;top:56px;width:105px;height:170px}.hw-keyboard{left:24%;top:215px;width:240px;height:70px}.hw-mouse{left:62%;top:245px;width:78px;height:86px;border-radius:999px}.component-info{min-height:390px}.component-info .big{font-size:46px}.network-diagram{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;align-items:center;margin:12px 0}.net-node{padding:14px 8px;min-height:72px;display:grid;place-items:center;text-align:center;border:1px solid var(--stroke);border-radius:18px;background:rgba(255,255,255,.055);font-size:12px}.arrow{color:var(--cyan);text-align:center;font-size:24px}.browser-icons{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}.browser-icon-card{padding:14px;border-radius:18px;border:1px solid var(--stroke);background:rgba(255,255,255,.055)}.browser-symbol{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;margin-bottom:8px;font-size:24px;background:conic-gradient(from 180deg,var(--blue),var(--cyan),var(--green),var(--yellow),var(--red),var(--blue))}.browser-symbol.edge{background:conic-gradient(var(--cyan),var(--blue),#16a34a,var(--cyan))}.browser-symbol.fire{background:conic-gradient(var(--red),#f97316,var(--yellow),#7c2d12,var(--red))}.browser-symbol.safari{background:radial-gradient(circle,var(--blue),#0f172a)}.kbd{padding:2px 7px;border-radius:6px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);font-weight:900;color:#fff}
@media(max-width:960px){.mission-panel{width:280px}.app-window.maximized{left:8px!important;right:292px!important}.fake-monitor-wrap{grid-template-columns:1fr}.security-layout{grid-template-columns:1fr}.network-diagram{grid-template-columns:1fr}.arrow{transform:rotate(90deg)}}
@media(max-width:720px){.desktop-icons{display:none}.mission-panel{transform:translateX(305px)}.mission-panel.collapsed{transform:translateX(305px)}.mission-toggle{display:block!important}.app-window,.app-window.maximized{left:8px!important;top:8px!important;right:8px!important;bottom:8px!important;width:auto!important;height:auto!important}.split{grid-template-columns:1fr}.sidebar{display:none}.writer-paper{padding:32px 24px}}

/* v4 desktop distribution: Windows-like columns without desktop scrolling */
.desktop-icons{
  top:18px;
  bottom:72px;
  width:calc(100% - 370px);
  max-height:none;
  overflow:visible;
  display:flex;
  flex-direction:column;
  flex-wrap:wrap;
  align-content:flex-start;
  gap:10px 12px;
  padding-right:0;
}
.desktop-icon{width:106px;min-height:92px;flex:0 0 92px;}

/* v4 Writer ribbon */
.writer-shell{background:#dce6f8;color:#111;}
.writer-title-strip{height:36px;display:flex;align-items:center;gap:8px;padding:0 10px;background:#185abd;color:#fff;border-bottom:1px solid rgba(255,255,255,.18)}
.writer-file-btn{height:26px;border-radius:6px;background:rgba(255,255,255,.16);padding:0 10px;font-size:12px;font-weight:850;color:#fff}.writer-file-btn:hover{background:rgba(255,255,255,.28)}
.writer-doc-name{font-weight:800;font-size:13px;opacity:.95;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.writer-tabs{height:34px;display:flex;align-items:end;gap:4px;padding:0 10px;background:#f4f7fc;border-bottom:1px solid #c5d3ea}.writer-tabs button{height:30px;padding:0 14px;border-radius:8px 8px 0 0;background:transparent;color:#14315f;font-weight:850}.writer-tabs button.active{background:#fff;border:1px solid #c5d3ea;border-bottom-color:#fff}.writer-ribbon{min-height:96px;display:flex;gap:8px;align-items:stretch;overflow-x:auto;padding:8px 10px;background:#fff;border-bottom:1px solid #c5d3ea;color:#111}.ribbon-group{position:relative;display:flex;align-items:center;gap:6px;flex-wrap:wrap;min-width:170px;padding:8px 8px 19px;border-right:1px solid #d8e0ef}.ribbon-group:last-child{border-right:0}.ribbon-group .group-title{position:absolute;bottom:2px;left:0;right:0;text-align:center;font-size:10px;color:#61718a}.ribbon-group button,.ribbon-group select,.ribbon-group input{height:30px;border:1px solid #c7d1e0;border-radius:5px;background:#fff;color:#111;padding:0 8px;font-size:12px}.ribbon-group button:hover{background:#edf4ff}.ribbon-group button.active{background:#cfe5ff;border-color:#2b73d2;box-shadow:inset 0 0 0 1px #2b73d2}.font-group{min-width:355px}.paragraph-group{min-width:385px}.clipboard-group{min-width:210px}.writer-paper-wrap{background:#b8c5d9;padding:28px 24px}.writer-paper{width:794px;min-height:1040px;background:#fff;color:#111;padding:72px 78px;border-radius:0;box-shadow:0 12px 32px rgba(15,23,42,.28);line-height:1.55;max-width:none}.writer-status{height:34px;display:flex;align-items:center;justify-content:space-between;gap:12px;background:#f3f6fb;color:#334155;border-top:1px solid #c5d3ea;padding:0 10px}.writer-zoom{margin-left:auto;display:flex;align-items:center;gap:7px}.writer-zoom button{width:24px;height:24px;border-radius:5px;background:#e4ebf7;color:#111}.writer-zoom input{width:130px}.writer-zoom b{min-width:44px;text-align:right;font-size:12px;color:#334155}

/* v4 visual safety lab */
.safety-shell{padding:16px;min-height:100%;overflow:auto}.safety-header{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:12px}.safety-header h3{margin:0;font-size:22px}.safety-header p{margin:0;color:var(--muted);font-size:13px}.safety-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:12px}.safety-panel{padding:14px;border-radius:20px;border:1px solid var(--stroke);background:rgba(255,255,255,.06)}.safety-panel h4{margin:0 0 10px;font-size:15px}.link-panel{grid-row:span 2}.link-card-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(105px,1fr));gap:8px;margin-bottom:10px}.link-practice-card{min-height:92px;border-radius:16px;border:1px solid var(--stroke);background:rgba(255,255,255,.06);display:grid;place-items:center;padding:8px;text-align:center}.link-practice-card.active{border-color:rgba(34,211,238,.65);background:rgba(34,211,238,.12)}.link-practice-card span{font-size:26px}.link-practice-card b{font-size:13px}.link-practice-card small{font-size:10px;color:var(--muted)}.browser-mini-frame{border-radius:18px;overflow:hidden;border:1px solid var(--stroke);background:rgba(0,0,0,.2)}.mini-address{padding:10px 12px;font-size:13px;font-weight:850;word-break:break-all}.mini-address.safe{background:rgba(81,226,138,.12);color:var(--green)}.mini-address.danger{background:rgba(251,113,133,.12);color:var(--red)}.mini-message{padding:12px}.mini-message p{margin:6px 0 0;color:var(--muted)}.safety-actions{display:flex;gap:6px;flex-wrap:wrap;padding:10px;border-top:1px solid var(--stroke)}.safety-actions button{padding:8px 10px;border-radius:12px;background:rgba(255,255,255,.09);font-weight:850}.result-banner{margin-top:10px;border-radius:16px;padding:12px;display:grid;grid-template-columns:36px 1fr;gap:3px 9px;align-items:center}.result-banner span{grid-row:span 2;font-size:28px}.result-banner b{font-size:15px}.result-banner small{color:var(--muted)}.result-banner.good{background:rgba(81,226,138,.12);border:1px solid rgba(81,226,138,.38)}.result-banner.bad{background:rgba(251,113,133,.12);border:1px solid rgba(251,113,133,.38)}.result-banner.neutral{background:rgba(255,255,255,.07);border:1px solid var(--stroke)}.password-choices{display:grid;grid-template-columns:1fr 1fr;gap:8px}.password-choice{padding:10px;border-radius:14px;border:1px solid var(--stroke);background:rgba(255,255,255,.06);text-align:left;display:flex;align-items:center;gap:8px}.password-choice.selected{outline:2px solid var(--cyan)}.password-choice.strong{border-color:rgba(81,226,138,.38)}.password-choice.weak{border-color:rgba(251,113,133,.28)}.password-builder{display:grid;gap:6px;margin-top:10px;color:var(--muted);font-size:12px;font-weight:850}.password-builder input{height:40px;border-radius:12px;border:1px solid var(--stroke);background:rgba(0,0,0,.24);color:var(--text);padding:0 12px}.strength-meter{height:11px;border-radius:999px;background:rgba(255,255,255,.11);overflow:hidden;margin-top:10px}.strength-meter i{display:block;height:100%;background:var(--red);transition:.2s}.strength-meter.medium i{background:var(--yellow)}.strength-meter.strong i{background:var(--green)}.tiny-rules{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}.tiny-rules span{padding:5px 8px;border-radius:999px;background:rgba(255,255,255,.07);color:var(--muted);font-size:11px}.tiny-rules span.ok{background:rgba(81,226,138,.12);color:var(--green)}.phone-toggle{width:100%;min-height:116px;border-radius:22px;border:1px solid var(--stroke);background:rgba(251,113,133,.1);display:grid;place-items:center;gap:7px}.phone-toggle.on{background:rgba(81,226,138,.13);border-color:rgba(81,226,138,.45)}.phone-screen{font-size:36px}.mfa-panel p{color:var(--muted);font-size:13px;line-height:1.4}.private-chip-grid{display:flex;gap:8px;flex-wrap:wrap}.private-chip{padding:9px 10px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--stroke);font-size:12px}.private-chip.good{background:rgba(81,226,138,.12);border-color:rgba(81,226,138,.36);color:var(--green)}.private-chip.bad{background:rgba(251,113,133,.12);border-color:rgba(251,113,133,.36);color:var(--red)}
@media(max-width:900px){.safety-grid{grid-template-columns:1fr}.link-panel{grid-row:auto}.desktop-icons{width:calc(100% - 310px)}}

/* v5 desktop wallpaper + manual icon positioning */
#desktop{background:linear-gradient(180deg,#ecf3fb,#dae7f6 0%,#cfe0f0 100%);color:#111;position:relative}
#desktop::before{content:'';position:absolute;inset:0;background:url('../assets/logo.png') center 44%/420px auto no-repeat;opacity:.12;pointer-events:none}
.wallpaper-glow{display:none}
.desktop-icons{position:absolute;left:0;top:0;right:320px;bottom:64px;width:auto;display:block;overflow:visible}
.desktop-icon{position:absolute;width:100px;min-height:92px;padding:6px 4px;text-shadow:none;color:#0f172a;background:rgba(255,255,255,.35);backdrop-filter:blur(6px);border:1px solid rgba(148,163,184,.18)}
.desktop-icon:hover,.desktop-icon.selected{background:rgba(255,255,255,.75);border-color:rgba(34,211,238,.5)}
.desktop-icon b{color:#0f172a}
.icon-level{display:block;margin-top:3px;font-size:10px;color:#475569;font-weight:800}
.context-menu .menu-item{display:flex;justify-content:space-between;align-items:center}
.submenu-arrow{margin-left:12px;color:#94a3b8}
.browser-icon-card img,.brand-icons img{width:44px;height:44px;object-fit:contain}
.real-icons .browser-icon-card,.brand-icons{display:flex;flex-direction:column;gap:8px;align-items:center;justify-content:center}
.brand-icons{grid-column:span 2;display:grid;grid-template-columns:repeat(4,44px);gap:10px;padding-top:16px}
.brand-icons p{grid-column:1/-1;margin:0;color:var(--muted);font-size:12px;text-align:center}
.simple-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-top:12px}
.mini-learn-card{padding:14px;border-radius:18px;border:1px solid var(--stroke);background:rgba(255,255,255,.08);display:grid;gap:5px;text-align:left}
.mini-learn-card span{font-size:30px}
.mini-learn-card b{font-size:14px}.mini-learn-card small{color:var(--muted)}
.drag-practice-wrap{display:grid;gap:14px}.drag-items{display:flex;flex-wrap:wrap;gap:10px}.drag-chip{padding:10px 12px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--stroke);cursor:grab;user-select:none}.drag-chip.ok{background:rgba(81,226,138,.15);border-color:rgba(81,226,138,.45)}.drag-chip.wrong{background:rgba(251,113,133,.12);border-color:rgba(251,113,133,.36)}
.drop-zones{display:grid;gap:12px}.drop-zones.two{grid-template-columns:1fr 1fr}.drop-zones.three{grid-template-columns:1fr 1fr 1fr}.drop-zone{min-height:140px;padding:12px;border-radius:18px;border:2px dashed rgba(148,163,184,.45);background:rgba(255,255,255,.04)}.drop-zone h4{margin:0 0 10px}
.converter-card{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px;border-radius:18px;background:rgba(255,255,255,.06);border:1px solid var(--stroke)}
.converter-card input,.converter-card select{height:42px;padding:0 10px;border-radius:10px;border:1px solid var(--stroke);background:rgba(0,0,0,.18);color:var(--text)}
.converter-card button{height:42px;padding:0 14px;border-radius:10px;background:rgba(34,211,238,.16)}
.browser-page-inner{position:relative;min-height:100%;padding-top:40px}.spam-ad{position:absolute;right:12px;top:8px;background:#fff8c5;border:1px solid #facc15;color:#7c2d12;padding:6px 10px;border-radius:999px;display:flex;gap:8px;align-items:center;z-index:2}.spam-ad span{background:#ef4444;color:#fff;border-radius:999px;padding:1px 6px;font-size:10px;font-weight:900}.spam-ad a{color:#7c2d12;text-decoration:none;font-weight:800}
.spam-popup{position:absolute;inset:0;display:grid;place-items:center;background:rgba(15,23,42,.26);z-index:3}.spam-popup-card{width:min(320px,calc(100% - 22px));padding:18px;border-radius:18px;background:#fff;color:#111;box-shadow:0 18px 40px rgba(0,0,0,.25);text-align:center}.spam-popup-card p{margin:8px 0 12px;color:#475569}
.safety-grid.onecol{grid-template-columns:1fr}
.taskbar,.mission-panel,.start-menu,.context-menu,.app-window{color:var(--text)}
@media(max-width:900px){.desktop-icons{right:0}.drop-zones.two,.drop-zones.three{grid-template-columns:1fr}.brand-icons{grid-column:auto}}

/* v9 fixes: full maximize, transparent logo, themes, richer games */
.app-window.maximized{left:8px!important;top:8px!important;right:8px!important;bottom:8px!important;width:auto!important;height:auto!important;border-radius:14px!important;z-index:1800!important}
.app-window.maximized .window-body{min-height:0}
.browser-shell,.browser-page,.browser-page-inner{height:100%}.browser-page{overflow:auto;padding:12px}.browser-card-grid{align-items:stretch}.app-content{height:100%;overflow:auto}
#desktop::before{background-image:url('../assets/logo-transparent.png')!important;background-position:center 44%!important;background-size:430px auto!important;background-repeat:no-repeat!important;opacity:.16!important}
#desktop.dark-mode{background:linear-gradient(180deg,#0f172a,#1e1b4b 55%,#111827 100%)!important;color:#f8fafc}
#desktop.dark-mode::before{opacity:.10!important;filter:brightness(1.25)}
#desktop.dark-mode .desktop-icon{color:#fff;background:rgba(15,23,42,.42);border-color:rgba(255,255,255,.08)}
#desktop.dark-mode .desktop-icon b{color:#fff}.status-strip #themeButton{font-size:18px;min-width:42px;justify-content:center}
.context-menu .menu-item{display:flex!important;justify-content:space-between;align-items:center}.submenu-arrow{font-size:11px;margin-left:18px;opacity:.75}
.align-icon{width:23px;height:18px;display:grid;gap:3px;align-content:center}.align-icon i{display:block;height:2px;background:#111;border-radius:99px}.align-left i:nth-child(1){width:21px}.align-left i:nth-child(2){width:15px}.align-left i:nth-child(3){width:19px}.align-center i{margin:auto}.align-center i:nth-child(1){width:21px}.align-center i:nth-child(2){width:14px}.align-center i:nth-child(3){width:18px}.align-right i{margin-left:auto}.align-right i:nth-child(1){width:21px}.align-right i:nth-child(2){width:15px}.align-right i:nth-child(3){width:19px}
.writer-shell{height:100%;display:flex;flex-direction:column}.writer-paper-wrap{flex:1;min-height:0;overflow:auto}.writer-paper{transform-origin:top center}.writer-status{flex-shrink:0}.writer-ribbon{flex-shrink:0}.writer-title-strip,.writer-tabs{flex-shrink:0}
.connect-game{display:grid;grid-template-columns:minmax(220px,320px) 1fr;gap:16px}.definition-list{display:grid;gap:10px}.definition-card{padding:12px;border-radius:16px;border:1px solid var(--stroke);background:rgba(255,255,255,.07);text-align:left;display:grid;gap:4px}.definition-card.selected{outline:3px solid var(--cyan)}.definition-card.solved{background:rgba(81,226,138,.13);border-color:rgba(81,226,138,.45)}.definition-card small{color:var(--muted)}.computer-dot-stage{position:relative;min-height:380px;border:1px solid var(--stroke);border-radius:24px;background:radial-gradient(circle at 30% 15%,rgba(34,211,238,.18),transparent 30%),rgba(255,255,255,.045)}.part-dot{position:absolute;width:96px;height:82px;border-radius:18px;background:rgba(255,255,255,.1);border:2px solid var(--stroke);font-size:34px;display:grid;place-items:center;box-shadow:0 16px 30px rgba(0,0,0,.18)}.part-dot.solved{border-color:rgba(81,226,138,.65);background:rgba(81,226,138,.16)}.monitor-dot{left:25%;top:36px}.case-dot{right:16%;top:70px}.keyboard-dot{left:22%;bottom:50px;width:180px}.mouse-dot{right:21%;bottom:44px;border-radius:999px;width:78px}
.drop-zones.four{grid-template-columns:repeat(4,1fr)}.size-zone{display:grid;align-content:start;gap:8px;text-align:center}.size-zone h4{font-size:28px;color:var(--cyan)}
.world-network{min-height:180px;display:grid;grid-template-columns:repeat(9,1fr);gap:7px;align-items:center;margin:14px 0;padding:18px;border:1px solid var(--stroke);border-radius:24px;background:radial-gradient(circle at 50% 50%,rgba(34,211,238,.16),transparent 48%),rgba(255,255,255,.045)}.world-network div{height:74px;border-radius:999px;display:grid;place-items:center;font-size:32px;background:rgba(255,255,255,.08);border:1px solid var(--stroke)}.world-network span{height:3px;background:linear-gradient(90deg,var(--cyan),var(--purple));border-radius:999px}.address-demo{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:12px}.address-demo div{padding:16px;border-radius:18px;border:1px solid var(--stroke);background:rgba(255,255,255,.06);display:grid;gap:8px}.address-demo code{padding:10px;border-radius:12px;background:rgba(0,0,0,.25);color:var(--cyan)}
.password-lab .primary{margin-top:12px}.check-password-btn{display:inline-flex;width:auto}.bad{background:rgba(251,113,133,.16)!important;color:var(--red)!important}
@media(max-width:850px){.connect-game{grid-template-columns:1fr}.drop-zones.four{grid-template-columns:1fr 1fr}.world-network{grid-template-columns:1fr}.world-network span{height:24px;width:3px;margin:auto}.address-demo{grid-template-columns:1fr}}

/* v9 interaction polish */
.start-logo{width:28px;height:28px;object-fit:contain;display:block;filter:drop-shadow(0 2px 4px rgba(0,0,0,.2))}.start-button{font-weight:900}.m-icon{display:none!important}
.file-item.drop-target{outline:3px solid var(--cyan);background:rgba(34,211,238,.15)!important}.file-item[draggable=true]{cursor:grab}.file-item[draggable=true]:active{cursor:grabbing}
.browser-shell{height:100%;display:flex;flex-direction:column}.browser-page{flex:1;min-height:0;overflow:auto}.browser-teacher-strip{min-height:42px;display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;padding:7px 10px;background:rgba(15,23,42,.86);border-top:1px solid var(--stroke);color:#e2e8f0;font-size:12px;font-weight:850}.browser-teacher-strip span{padding:5px 9px;border-radius:999px;background:rgba(255,255,255,.08)}
.spam-popup-card{position:relative;padding-top:34px}.popup-x{position:absolute;right:10px;top:8px;width:30px;height:30px;border-radius:999px;background:#fee2e2;color:#991b1b;font-size:22px;font-weight:900;line-height:1}.popup-x:hover{background:#fecaca}.danger-flash{position:fixed;inset:0;z-index:5000;display:grid;place-items:center;background:rgba(185,28,28,.82);animation:dangerPulse .28s alternate 5;color:white;text-align:center}.danger-flash div{padding:28px 38px;border-radius:26px;background:rgba(127,29,29,.9);box-shadow:0 30px 100px rgba(0,0,0,.55);display:grid;gap:8px}.danger-flash strong{font-size:clamp(26px,5vw,58px);text-transform:uppercase}.danger-flash span{font-size:18px;font-weight:800}@keyframes dangerPulse{from{filter:brightness(.8)}to{filter:brightness(1.45)}}
.teacher-lock{display:grid;place-items:center}.lock-card{width:min(460px,100%)}.lock-card label{display:grid;gap:7px;color:var(--muted);font-weight:800}.lock-card input{height:44px;border-radius:12px;border:1px solid var(--stroke);padding:0 12px;background:rgba(0,0,0,.22);color:var(--text)}
.google-account-sim{height:100%;display:grid;place-items:center;background:#f8fafc;color:#202124;padding:24px}.google-card{width:min(760px,calc(100% - 20px));min-height:410px;background:#fff;border:1px solid #dadce0;border-radius:28px;padding:36px;box-shadow:0 8px 24px rgba(60,64,67,.12)}.google-logo-text{font-size:28px;font-weight:800;letter-spacing:-.04em;color:#4285f4;margin-bottom:16px}.google-card h2{font-size:32px;margin:0 0 10px;color:#202124}.google-card p{color:#5f6368}.google-card .gmail-form label{color:#3c4043}.google-card input,.google-card select{background:#fff!important;color:#202124!important;border:1px solid #dadce0!important}.gmail-sim{height:100%;display:flex;flex-direction:column;background:#f6f8fc;color:#202124}.gmail-topbar{height:64px;display:flex;align-items:center;gap:12px;padding:0 16px;border-bottom:1px solid #e5e7eb;background:#fff}.gmail-wordmark{display:flex;align-items:center;gap:10px;min-width:180px}.gmail-m{width:34px;height:26px;border-radius:6px;background:linear-gradient(135deg,#ea4335,#fbbc04,#34a853,#4285f4);display:grid;place-items:center;color:#fff;font-weight:950}.gmail-search{flex:1;max-width:620px;height:44px;border:0;border-radius:999px;background:#eef3fb!important;color:#202124!important;padding:0 16px}.gmail-avatar{width:38px;height:38px;border-radius:999px;background:#7c3aed;color:#fff;font-weight:950}.gmail-signout{height:36px;border-radius:999px;background:#eef3fb;color:#202124;padding:0 12px}.gmail-main{flex:1;min-height:0;display:grid;grid-template-columns:220px 1fr}.gmail-sidebar{padding:14px 12px;display:grid;align-content:start;gap:6px;background:#f6f8fc}.gmail-sidebar button{text-align:left;color:#202124;background:transparent;border-radius:0 999px 999px 0;padding:11px 14px}.gmail-sidebar button.active{background:#d3e3fd;font-weight:900}.gmail-compose{background:#c2e7ff!important;border-radius:18px!important;font-weight:900!important;margin-bottom:12px;box-shadow:0 2px 8px rgba(60,64,67,.18)}.gmail-inbox{background:#fff;margin:8px 12px 12px 0;border-radius:18px;overflow:auto;border:1px solid #e5e7eb}.gmail-inbox-head{height:58px;display:flex;align-items:center;justify-content:space-between;padding:0 18px;border-bottom:1px solid #e5e7eb}.gmail-inbox-head h3{margin:0}.gmail-inbox-head span{color:#5f6368;font-size:13px}.gmail-row{display:grid;grid-template-columns:160px 1fr 2fr;gap:12px;padding:14px 18px;border-bottom:1px solid #f1f3f4;align-items:center}.gmail-row.unread{font-weight:900;background:#f8fbff}.gmail-row small{color:#5f6368;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.gmail-row.sent{background:#f6fff8}.gmail-compose-box{position:absolute;right:22px;bottom:22px;width:min(520px,calc(100% - 44px));height:430px;background:#fff;border-radius:14px 14px 0 0;box-shadow:0 18px 50px rgba(0,0,0,.32);display:flex;flex-direction:column;z-index:8;color:#202124;border:1px solid #dadce0}.gmail-compose-box header{height:42px;background:#202124;color:#fff;border-radius:14px 14px 0 0;padding:0 12px;display:flex;align-items:center;justify-content:space-between}.gmail-compose-box header button{background:transparent;color:#fff;font-size:22px}.gmail-compose-box label{display:grid;grid-template-columns:70px 1fr;align-items:center;border-bottom:1px solid #eee;padding:0 12px;color:#5f6368}.gmail-compose-box input{height:40px;border:0!important;background:#fff!important;color:#202124!important}.gmail-compose-box textarea{flex:1;border:0;padding:14px;resize:none;color:#202124;background:#fff}.gmail-compose-box footer{height:54px;padding:8px 12px;display:flex;align-items:center;gap:10px;border-top:1px solid #eee}.gmail-compose-box footer span{font-size:12px;color:#5f6368}
.globe-network{position:relative;min-height:340px;margin:14px 0;padding:18px;border:1px solid var(--stroke);border-radius:26px;background:radial-gradient(circle at 50% 50%,rgba(34,211,238,.18),transparent 42%),rgba(255,255,255,.05);overflow:hidden}.globe-network svg{position:absolute;inset:28px;width:calc(100% - 56px);height:calc(100% - 56px);fill:none;stroke:rgba(34,211,238,.55);stroke-width:3;stroke-dasharray:8 8}.globe-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:96px;height:96px;border-radius:999px;display:grid;place-items:center;font-size:50px;background:rgba(255,255,255,.13);border:1px solid rgba(34,211,238,.55);z-index:2}.net-device{position:absolute;width:62px;height:62px;border-radius:999px;background:#fff;color:#111;border:3px solid rgba(34,211,238,.65);font-size:28px;box-shadow:0 12px 30px rgba(0,0,0,.18);z-index:3}.net-device.d1{left:10%;top:22%}.net-device.d2{left:25%;bottom:13%}.net-device.d3{right:12%;top:22%}.net-device.d4{right:25%;bottom:13%}.net-device.d5{left:48%;top:5%}.net-device.d6{left:48%;bottom:5%}
@media(max-width:760px){.gmail-main{grid-template-columns:1fr}.gmail-sidebar{display:flex;overflow:auto}.gmail-row{grid-template-columns:1fr}.gmail-compose-box{right:10px;bottom:10px;width:calc(100% - 20px)}.browser-teacher-strip{justify-content:flex-start}.globe-network{min-height:270px}.net-device{width:50px;height:50px;font-size:23px}}

/* v10 fixes */
.password-fullscreen{min-height:calc(100vh - 210px);display:grid;grid-template-columns:minmax(340px,1.2fr) minmax(260px,.8fr);gap:18px;align-items:start}.password-fullscreen h2{font-size:clamp(24px,4vw,42px);margin:0 0 14px}.password-choices.large{display:grid;grid-template-columns:repeat(2,minmax(170px,1fr));gap:12px;margin-bottom:16px}.password-builder.giant{font-size:15px}.password-builder.giant input{height:68px;font-size:24px;border-radius:18px}.password-guidance-grid{display:grid;grid-template-columns:1fr;gap:10px}.rule-card{padding:16px;border:2px solid var(--stroke);border-radius:18px;background:rgba(255,255,255,.07);display:grid;grid-template-columns:40px 1fr;gap:2px 10px;align-items:center}.rule-card span{grid-row:span 2;font-size:28px}.rule-card b{font-size:16px}.rule-card small{color:var(--muted)}.rule-card.ok{border-color:rgba(81,226,138,.5);background:rgba(81,226,138,.12)}.rule-card.needs-work{border-color:rgba(251,113,133,.75);background:rgba(251,113,133,.16);animation:rulePulse .7s infinite alternate}@keyframes rulePulse{from{box-shadow:0 0 0 rgba(251,113,133,0)}to{box-shadow:0 0 0 6px rgba(251,113,133,.16)}}
.email-link{margin-top:16px;padding:11px 14px;border-radius:12px;border:1px solid #dadce0;background:#eef3fb;color:#1a73e8;text-align:left;font-weight:800}.email-link.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}.gmail-open-email{padding:22px;display:grid;gap:10px}.gmail-open-email h2{margin:8px 0 0}.gmail-row{width:100%;text-align:left;border:0;border-bottom:1px solid #f1f3f4;background:#fff;color:#202124}.gmail-row:hover{background:#f8fafc}.gmail-row.unread{background:#fff7ed}
.writer-color-select option[value="#111111"]{color:#111111}.writer-color-select option[value="#ef4444"]{color:#ef4444}.writer-color-select option[value="#f97316"]{color:#f97316}.writer-color-select option[value="#eab308"]{color:#eab308}.writer-color-select option[value="#22c55e"]{color:#22c55e}.writer-color-select option[value="#06b6d4"]{color:#06b6d4}.writer-color-select option[value="#3b82f6"]{color:#3b82f6}.writer-color-select option[value="#7c3aed"]{color:#7c3aed}.writer-color-select option[value="#ec4899"]{color:#ec4899}.writer-color-select option[value="#64748b"]{color:#64748b}
.globe-network svg .mesh-lines line{stroke:rgba(124,58,237,.55);stroke-width:2.5;stroke-dasharray:0;animation:meshGlow 1.4s infinite alternate}.globe-network svg .globe-ring{stroke:rgba(34,211,238,.45);stroke-width:2;stroke-dasharray:8 8}@keyframes meshGlow{from{opacity:.45}to{opacity:1}}
.lock-card input::placeholder{color:transparent}.lock-card .security-note{font-size:12px}.file-item.selected{outline:3px solid var(--cyan);background:rgba(34,211,238,.16)!important}
@media(max-width:900px){.password-fullscreen{grid-template-columns:1fr}.password-choices.large{grid-template-columns:1fr}.password-builder.giant input{font-size:18px}}

/* v11 refinements */
.gmail-logo-symbol{width:34px;height:34px;object-fit:contain;border-radius:7px;background:#fff}
.writer-color-palette{display:grid;grid-template-columns:repeat(5,22px);gap:4px;align-items:center}.color-dot{width:22px!important;height:22px!important;min-width:22px!important;border-radius:999px!important;padding:0!important;border:2px solid #fff!important;box-shadow:0 0 0 1px #94a3b8}.color-dot:hover{transform:scale(1.08)}
.big-password-shell .strength-meter{display:none!important}.gmail-password-course{max-width:900px}.gmail-password-course .password-builder input{font-size:22px;height:62px}
.globe-network svg{inset:0!important;width:100%!important;height:100%!important;stroke:rgba(34,211,238,.6)}
.net-device{transform:translate(-50%,-50%)}.net-device.d1{left:19.4%;top:30.8%}.net-device.d2{left:31.9%;top:80.8%}.net-device.d3{left:83.3%;top:30.8%}.net-device.d4{left:68.1%;top:80.8%}.net-device.d5{left:50%;top:13.5%}.net-device.d6{left:50%;top:88.5%}
.game-shell{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:18px;padding:22px;background:linear-gradient(160deg,rgba(124,58,237,.16),rgba(34,211,238,.12));overflow:auto}.game-head{text-align:center}.game-head h2{font-size:32px;margin:0}.game-head p{margin:6px 0 12px;color:var(--muted)}.xo-board{display:grid;grid-template-columns:repeat(3,110px);gap:10px}.xo-cell{width:110px;height:110px;border-radius:22px;background:rgba(255,255,255,.1);border:2px solid var(--stroke);font-size:54px;font-weight:950}.xo-cell.x{color:#22d3ee}.xo-cell.o{color:#fb7185}.battle-board{display:grid;grid-template-columns:repeat(5,72px);gap:8px}.battle-cell{width:72px;height:72px;border-radius:16px;background:rgba(34,211,238,.14);border:1px solid rgba(34,211,238,.4);font-size:30px}.battle-cell.miss{background:rgba(148,163,184,.18);color:#cbd5e1}.battle-cell.hit{background:rgba(251,113,133,.22);border-color:#fb7185}.game-status{font-size:18px;font-weight:900;padding:12px 16px;border-radius:999px;background:rgba(255,255,255,.08)}.game-status.win{background:rgba(81,226,138,.16);color:var(--green)}.game-status.lose{background:rgba(251,113,133,.16);color:var(--red)}

/* v13 password/course/writer/network/battle refinements */
.password-guidance-grid{grid-template-columns:repeat(auto-fit,minmax(170px,1fr));}
.password-fullscreen{grid-template-columns:1fr;}
.password-big-entry{max-width:980px;margin:auto;width:100%;}
.password-builder.giant input{width:100%;}
.gmail-password-rule-line{display:flex;gap:8px;flex-wrap:wrap;margin:10px 0 0}.gmail-password-rule-line span{padding:6px 10px;border-radius:999px;background:#eef3fb;color:#1f2937;font-weight:900;border:1px solid #d1d5db}
.mini-address.safe{background:rgba(255,255,255,.08)!important;color:var(--text)!important;border-bottom:1px solid var(--stroke)}
.writer-color-select{width:58px!important;min-width:58px!important;font-size:24px!important;text-align:center;font-weight:900;border-radius:7px!important;padding:0 6px!important;background:#fff!important;color:#111!important}.writer-color-select option{font-size:22px;font-weight:900;text-shadow:0 0 0 currentColor}.writer-color-palette{display:none!important}.writer-ribbon .clipboard-group{min-width:260px}

.globe-network.v13{min-height:420px;background:radial-gradient(circle at 50% 50%,rgba(34,211,238,.22),transparent 35%),radial-gradient(circle at 50% 50%,rgba(124,58,237,.12),transparent 54%),rgba(255,255,255,.05)}
.globe-network.v13 svg{inset:0!important;width:100%!important;height:100%!important;stroke-dasharray:0!important}.globe-network.v13 .mesh-lines line{stroke:rgba(124,58,237,.55);stroke-width:.55;animation:meshGlow 1.4s infinite alternate}.globe-network.v13 .earth-ring,.globe-network.v13 .earth-lat{stroke:rgba(34,211,238,.65);stroke-width:.8;fill:none}.globe-network.v13 .globe-core{width:108px;height:108px;font-size:58px;box-shadow:0 0 0 16px rgba(34,211,238,.08)}.globe-network.v13 .net-device{width:72px;height:72px;display:grid;grid-template-rows:1fr auto;place-items:center;font-size:25px;padding:5px}.globe-network.v13 .net-device span{font-size:28px}.globe-network.v13 .net-device small{font-size:9px;font-weight:900;line-height:1.05;color:#334155;text-align:center}.internet-mini-game{padding:14px;border:1px solid var(--stroke);border-radius:20px;background:rgba(255,255,255,.06);margin:12px 0}.internet-mini-game h3{margin:0 0 8px}.packet-track{height:18px;background:rgba(255,255,255,.08);border-radius:999px;position:relative;overflow:hidden;margin-top:10px}.packet-dot{position:absolute;left:4px;top:3px;width:12px;height:12px;border-radius:999px;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}.packet-dot.run{animation:packetRun 1.6s linear}@keyframes packetRun{from{left:4px}to{left:calc(100% - 18px)}}
.connection-game{display:grid;grid-template-columns:130px 1fr 130px 1fr 130px;gap:12px;align-items:center;padding:16px;border-radius:24px;border:1px solid var(--stroke);background:rgba(255,255,255,.06);margin:12px 0}.connect-node{height:112px;border-radius:20px;background:rgba(255,255,255,.1);border:1px solid var(--stroke);display:grid;place-items:center;font-size:34px;text-align:center}.connect-node b{display:block;font-size:13px}.connect-path{height:52px;border-radius:999px;border:2px dashed rgba(148,163,184,.7);position:relative;display:grid;place-items:center;color:var(--muted);font-weight:900;font-size:12px}.connect-path i{position:absolute;left:10px;width:13px;height:13px;border-radius:999px;background:var(--yellow);animation:packetRun 1.2s infinite linear}.connection-game.wifi .connect-path:first-of-type{border-style:dotted;border-color:#38bdf8}.connection-game.copper .connect-path:first-of-type{border-style:solid;border-color:#f97316}.connection-game.fiber .connect-path:first-of-type{border-style:solid;border-color:#a78bfa;box-shadow:0 0 16px rgba(167,139,250,.35)}.connection-choice-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.connection-choice-row button{padding:14px;border-radius:18px;background:rgba(255,255,255,.08);border:1px solid var(--stroke);font-weight:900}.connection-choice-row button.active{background:rgba(34,211,238,.16);border-color:rgba(34,211,238,.5)}.address-demo.bigger{display:grid;grid-template-columns:1fr 1fr;gap:12px}.address-demo.bigger div{padding:18px;border-radius:18px;border:1px solid var(--stroke);background:rgba(255,255,255,.06);display:grid;gap:8px}.address-demo.bigger code{font-size:20px;padding:10px;border-radius:12px;background:rgba(0,0,0,.2)}

.battle-shell-v13{align-items:stretch}.battle-command{display:flex;gap:10px;align-items:center;justify-content:center;flex-wrap:wrap}.battle-command input{height:52px;width:110px;text-transform:uppercase;text-align:center;font-size:26px;font-weight:950;border-radius:16px;border:2px solid var(--cyan);background:rgba(0,0,0,.25);color:var(--text)}.battle-command span{font-weight:900;color:var(--muted)}.battle-two-boards{display:grid;grid-template-columns:1fr 1fr;gap:16px}.battle-two-boards section{padding:12px;border-radius:22px;border:1px solid var(--stroke);background:rgba(255,255,255,.06)}.battle-two-boards h3{text-align:center;margin:0 0 10px}.battle-grid-wrap{display:grid;grid-template-columns:34px repeat(5,56px);grid-auto-rows:56px;gap:5px;justify-content:center}.axis,.corner{display:grid;place-items:center;border-radius:10px;font-weight:950;color:var(--muted)}.axis{background:rgba(255,255,255,.08)}.battle-cell-v13{position:relative;display:grid;place-items:center;border-radius:12px;border:1px solid rgba(34,211,238,.38);background:rgba(34,211,238,.1);font-size:24px;font-weight:950}.battle-cell-v13 small{position:absolute;right:4px;bottom:2px;font-size:9px;color:rgba(255,255,255,.65)}.battle-cell-v13.ship{background:rgba(34,211,238,.22);border-color:rgba(34,211,238,.75)}.battle-cell-v13.hit{background:rgba(251,113,133,.26);border-color:#fb7185;color:#fecaca}.battle-cell-v13.miss{background:rgba(148,163,184,.18);color:#cbd5e1}
@media(max-width:900px){.battle-two-boards,.connection-game,.address-demo.bigger{grid-template-columns:1fr}.connect-path{height:38px}.battle-grid-wrap{grid-template-columns:28px repeat(5,45px);grid-auto-rows:45px}.battle-cell-v13{font-size:20px}.connection-choice-row{grid-template-columns:1fr}}


/* v13 adaptive monitor/fullscreen refinements */
:root{--ui-scale:1;--safe-bottom:env(safe-area-inset-bottom,0px);}
html,body{width:100%;height:100%;min-height:100dvh;overscroll-behavior:none;}
.desktop{min-height:100dvh;container-type:inline-size;}
#desktop:fullscreen{width:100vw;height:100vh;}
#desktop:fullscreen .taskbar{padding-bottom:calc(8px + var(--safe-bottom));}
.status-strip button{min-width:40px;justify-content:center;}
.window-layer{inset:0 0 calc(var(--taskbar-h) + var(--safe-bottom)) 0;}
.app-window{max-width:calc(100vw - 24px);max-height:calc(100dvh - var(--taskbar-h) - 24px);}
.app-window.maximized{left:10px!important;right:10px!important;top:10px!important;bottom:calc(var(--taskbar-h) + 10px)!important;width:auto!important;height:auto!important;}
.compact-screen .mission-panel{transform:translateX(330px);}
.compact-screen .mission-toggle{display:block!important;}
.compact-screen .desktop-icons{right:8px;}
.compact-screen .app-window.maximized{left:8px!important;right:8px!important;top:8px!important;bottom:calc(var(--taskbar-h) + 8px)!important;}
.wide-screen .desktop-icon{width:108px;}
.browser-shell{height:100%;min-height:0;}
.browser-toolbar{flex-wrap:nowrap;}
.browser-toolbar .address{min-width:120px;}
.browser-page{flex:1;min-height:0;}
.app-content{min-height:0;}
@media (max-width:1100px),(max-height:680px){
  :root{--taskbar-h:54px;}
  .taskbar{gap:6px;padding:7px 8px;}
  .start-button,.task-buttons button,.status-strip button{height:38px;padding:0 9px;border-radius:11px;}
  .task-buttons button{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .window-titlebar{height:42px;}
  .desktop-icon{transform:scale(.92);transform-origin:top left;}
  .app-content{padding:12px;}
  .toolbar{min-height:44px;padding:6px;}
}
@media (max-width:760px){
  .task-buttons{display:none;}
  .status-strip{margin-left:auto;}
  .start-button{font-size:0;padding:0 10px;}
  .start-button img{margin:0;}
  .mission-panel{display:none;}
  .mission-toggle{display:block!important;}
  .desktop-icons{display:block;right:0;}
  .app-window,.app-window.maximized{left:6px!important;right:6px!important;top:6px!important;bottom:calc(var(--taskbar-h) + 6px)!important;width:auto!important;height:auto!important;min-width:0;border-radius:12px;}
}
@media (min-width:1500px){
  .app-window:not(.maximized){box-shadow:0 34px 90px rgba(0,0,0,.48);}
  .browser-card-grid{grid-template-columns:repeat(auto-fit,minmax(190px,1fr));}
}

/* v14 final polish: hardware IO, network visual, coordinate ocean */
.hw-toolbar{flex-wrap:wrap}.part-dot small{display:block;font-size:10px;font-weight:900;color:var(--muted);margin-top:2px}.network-polish{overflow:auto}.network-hero-card{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:18px;border:1px solid var(--stroke);border-radius:24px;background:linear-gradient(135deg,rgba(34,211,238,.13),rgba(124,58,237,.12));margin-bottom:14px}.network-hero-card h2{margin:4px 0 6px;font-size:28px;letter-spacing:-.04em}.network-hero-card p{margin:0;color:var(--muted);line-height:1.45}.score-pill{padding:12px 16px;border-radius:999px;background:rgba(81,226,138,.15);border:1px solid rgba(81,226,138,.38);font-weight:950;color:var(--green)}
.globe-network-final{position:relative;min-height:490px;margin:14px 0;padding:18px;border:1px solid rgba(34,211,238,.28);border-radius:32px;background:radial-gradient(circle at 50% 50%,rgba(34,211,238,.18),transparent 30%),radial-gradient(circle at 50% 50%,rgba(124,58,237,.16),transparent 58%),linear-gradient(145deg,rgba(15,23,42,.28),rgba(255,255,255,.045));overflow:hidden}.globe-network-final svg{position:absolute;inset:0;width:100%;height:100%;fill:none;z-index:1}.globe-network-final .spokes line{stroke:rgba(34,211,238,.23);stroke-width:.45}.globe-network-final .mesh-lines line{stroke:rgba(124,58,237,.52);stroke-width:.62;animation:meshGlow 1.4s infinite alternate}.globe-network-final .earth-ring{stroke:rgba(34,211,238,.7);stroke-width:.8}.globe-network-final .earth-lat{stroke:rgba(34,211,238,.45);stroke-width:.55}.globe-core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:122px;height:122px;border-radius:999px;display:grid;place-items:center;font-size:64px;background:rgba(255,255,255,.12);border:1px solid rgba(34,211,238,.62);box-shadow:0 0 0 18px rgba(34,211,238,.07),0 22px 60px rgba(0,0,0,.25);z-index:3}.net-device-final{position:absolute;transform:translate(-50%,-50%);width:82px;height:82px;border-radius:999px;background:linear-gradient(180deg,#fff,#e0f2fe);color:#0f172a;border:3px solid rgba(34,211,238,.78);display:grid;grid-template-rows:1fr auto;place-items:center;font-size:28px;padding:6px;box-shadow:0 14px 34px rgba(0,0,0,.22);z-index:4}.net-device-final span{font-size:30px}.net-device-final small{font-size:9px;font-weight:950;line-height:1;text-align:center;color:#334155}.packet-path{stroke:transparent}.moving-packet{position:absolute;left:8%;top:52%;width:16px;height:16px;border-radius:999px;background:var(--yellow);box-shadow:0 0 20px var(--yellow);z-index:5;opacity:0}.moving-packet.run{animation:packetAround 1.85s ease-in-out}@keyframes packetAround{0%{opacity:1;left:8%;top:52%}18%{left:50%;top:8%}38%{left:82%;top:22%}58%{left:92%;top:52%}78%{left:73%;top:82%}100%{opacity:1;left:8%;top:52%}}
.connection-game-final{display:grid;grid-template-columns:140px 1fr 140px 1fr 140px;gap:12px;align-items:center;padding:18px;border-radius:26px;border:1px solid var(--stroke);background:rgba(255,255,255,.06);margin:12px 0}.connection-game-final .connect-node{height:120px;border-radius:24px;background:rgba(255,255,255,.1);border:1px solid var(--stroke);display:grid;place-items:center;font-size:38px;text-align:center}.connection-game-final .connect-node b{display:block;font-size:13px}.connection-game-final .connect-path{height:58px;border-radius:999px;border:3px dashed rgba(148,163,184,.7);position:relative;display:grid;place-items:center;color:var(--muted);font-weight:950;font-size:12px;overflow:hidden}.connection-game-final .connect-path i{position:absolute;left:8px;width:14px;height:14px;border-radius:999px;background:var(--yellow);animation:packetRun 1.1s infinite linear}.connection-game-final.wifi .connect-path:first-of-type{border-style:dotted;border-color:#38bdf8}.connection-game-final.copper .connect-path:first-of-type{border-style:solid;border-color:#f97316}.connection-game-final.fiber .connect-path:first-of-type{border-style:solid;border-color:#a78bfa;box-shadow:0 0 16px rgba(167,139,250,.35)}.connection-challenge{margin-top:12px;padding:16px;border-radius:22px;border:1px solid var(--stroke);background:rgba(255,255,255,.055);text-align:center}.connection-challenge h3{font-size:34px;margin:0}.connection-challenge p{font-weight:950}.battle-shell-final{padding:18px}.battle-shell-final .battle-two-boards{align-items:start}.battle-help{text-align:center;color:var(--muted);font-size:12px;margin:0 0 8px}.battle-cell-v13.placeable{cursor:pointer}.battle-cell-v13.placeable:hover{outline:3px solid var(--cyan);transform:translateY(-1px)}button.battle-cell-v13{color:inherit}.battle-command input:focus{outline:4px solid rgba(34,211,238,.35);background:rgba(15,23,42,.55)}.battle-command button:disabled,.battle-command input:disabled{opacity:.48;cursor:not-allowed}.hardware-io-game .drop-zone .drag-chip{margin:4px;display:inline-flex}.hardware-io-game .drop-zone{min-height:180px}
@media(max-width:900px){.network-hero-card,.connection-game-final{grid-template-columns:1fr}.connection-game-final .connect-path{height:42px}.globe-network-final{min-height:390px}.net-device-final{width:64px;height:64px}.globe-core{width:96px;height:96px;font-size:50px}.battle-two-boards{grid-template-columns:1fr!important}.network-hero-card h2{font-size:22px}}