*{box-sizing:border-box}
:root{--bg:#f4f6fa;--panel:#fff;--panel-soft:#eef2f7;--text:#172033;--muted:#718096;--border:#dfe5ee;--accent:#19b9c7;--accent2:#8064e8;--shadow:0 12px 35px rgba(24,39,75,.10)}
html[data-theme="dark"]{--bg:#0c1220;--panel:#111a2b;--panel-soft:#172238;--text:#eef4ff;--muted:#9aa8bd;--border:#26334a;--shadow:0 12px 35px rgba(0,0,0,.28)}
html,body{margin:0;min-height:100%;font-family:Futura,"Futura PT","Century Gothic",Arial,sans-serif;background:var(--bg);color:var(--text)}
body{transition:background .2s ease,color .2s ease}.sidebar{position:fixed;inset:0 auto 0 0;width:235px;padding:22px 14px;background:var(--panel);border-right:1px solid var(--border);z-index:10}.app-shell{display:flex;min-height:100vh}
.brand{display:flex;align-items:center;gap:10px;padding:0 12px 22px;font-weight:700}.brand-mark{width:30px;height:30px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:9px;transform:rotate(15deg);font-size:13px}
.nav{display:grid;gap:5px}.nav a{display:flex;align-items:center;gap:12px;padding:11px 12px;color:var(--muted);text-decoration:none;border-radius:9px;transition:.18s ease}.nav a span:first-child{width:18px;text-align:center}.nav a:hover,.nav a.active{color:var(--text);background:var(--panel-soft)}.nav a.active{font-weight:650}
.sidebar-bottom{margin-top:30px;padding:0 12px}.updates-title{color:var(--muted);font-size:11px;font-weight:700;text-transform:uppercase;margin-bottom:12px}.update-item{padding:10px 0;border-bottom:1px solid var(--border)}.update-item strong,.update-item small{display:block}.update-item strong{font-size:12px}.update-item small{margin-top:4px;color:var(--muted);font-size:10px}
.content{width:calc(100% - 235px);margin-left:235px;min-height:100vh}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;padding:0 38px;background:var(--panel);border-bottom:1px solid var(--border)}.mobile-brand{display:none}.topnav{display:flex;align-items:center;gap:25px;margin-left:auto}.topnav a{color:var(--muted);text-decoration:none;font-size:13px}.topnav a:hover{color:var(--text)}.icon-button{border:1px solid var(--border);background:var(--panel);color:var(--text);width:35px;height:35px;border-radius:9px}
.page{max-width:1000px;margin:0 auto;padding:55px 35px 20px}.hidden{display:none}.hero{text-align:center}h1{margin:0 0 28px;font-size:clamp(27px,4vw,40px);letter-spacing:-.8px}
.video-card{max-width:650px;margin:auto;overflow:hidden;background:var(--panel);border:1px solid var(--border);border-radius:12px;box-shadow:var(--shadow)}.video-art{height:275px;width:100%;position:relative;overflow:hidden;display:grid;place-items:center;border:0;background:radial-gradient(circle at 25% 40%,rgba(20,220,220,.45),transparent 18%),radial-gradient(circle at 75% 55%,rgba(160,70,255,.42),transparent 23%),linear-gradient(135deg,#071321,#17112d)}
.particles,.trailer-particles{position:absolute;inset:0;background-image:radial-gradient(circle,rgba(255,255,255,.8) 1px,transparent 1.5px);background-size:18px 18px;opacity:.8;mask-image:radial-gradient(ellipse at center,black,transparent 70%);animation:drift 7s linear infinite}@keyframes drift{from{transform:translateX(0)}to{transform:translateX(18px)}}
.play{position:relative;z-index:2;width:58px;height:58px;display:grid;place-items:center;padding-left:4px;border-radius:50%;background:rgba(255,255,255,.92);color:#151d2d;box-shadow:0 8px 25px rgba(0,0,0,.3);transition:transform .2s}.video-art:hover .play{transform:scale(1.08)}.video-label{position:absolute;left:18px;bottom:16px;color:#fff;font-size:12px}.video-caption{display:flex;justify-content:space-between;gap:15px;padding:12px 15px;color:var(--text);font-size:11px;text-align:left}.text-button{border:0;background:none;color:var(--accent);padding:0}.text-button:hover{text-decoration:underline}
.downloads-section{text-align:center;margin:42px auto 34px}.downloads-section h2{font-size:28px;margin:0 0 18px}.download-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.download-btn{min-width:215px;border:0;color:#fff;padding:11px 18px;border-radius:7px;font-weight:650;transition:transform .15s ease,filter .15s ease}.download-btn:hover{transform:translateY(-2px);filter:brightness(1.08)}.download-btn small{font-weight:500;opacity:.9}.windows{background:linear-gradient(90deg,#12b6bf,#27c5b4)}.portable{background:linear-gradient(90deg,#3b9bd3,#865de8)}.android{background:#4d8f9e;min-width:145px}
.feature-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;text-align:center;margin:38px 0 30px}.feature-strip div{display:grid;gap:6px}.feature-strip b{font-size:12px}.feature-strip span{color:var(--muted);font-size:10px}.page-header{text-align:center;margin-bottom:30px}.page-header p{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:15px}.card{padding:25px;background:var(--panel);border:1px solid var(--border);border-radius:13px;box-shadow:var(--shadow)}.card h3{margin:12px 0 8px}.card p{color:var(--muted);line-height:1.6;font-size:14px}.card-icon{font-size:28px}.empty-state,.support-box{text-align:center;padding:55px 25px;background:var(--panel);border:1px solid var(--border);border-radius:14px}.empty-state span{font-size:40px}
.theme-preview{display:grid;grid-template-columns:1fr 1fr;gap:18px}.mini-window{min-height:180px;padding:25px;border-radius:14px;display:flex;flex-direction:column;justify-content:end;box-shadow:var(--shadow)}.mini-window span{margin-top:8px;opacity:.7}.light-preview{background:#fff;color:#172033}.dark-preview{background:#101827;color:#fff}
.download-list{display:grid;gap:10px}.download-row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:20px;color:var(--text);background:var(--panel);border:1px solid var(--border);border-radius:11px;text-align:left}.download-row:hover{border-color:var(--accent)}.download-row span{color:var(--accent)}
.settings-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;box-shadow:var(--shadow);overflow:hidden}.setting-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px 22px;border-bottom:1px solid var(--border)}.setting-row:last-child{border-bottom:0}.setting-row b,.setting-row small{display:block}.setting-row small{color:var(--muted);margin-top:5px;font-size:12px}.switch{position:relative;width:48px;height:27px;flex:0 0 auto}.switch input{opacity:0;width:0;height:0}.switch span{position:absolute;inset:0;background:#8b97a8;border-radius:20px;transition:.2s}.switch span:before{content:"";position:absolute;width:21px;height:21px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}.switch input:checked+span{background:var(--accent)}.switch input:checked+span:before{transform:translateX(21px)}
.primary-btn{margin-top:15px;padding:11px 20px;border:0;border-radius:8px;color:#fff;background:linear-gradient(90deg,var(--accent),var(--accent2))}
footer{max-width:1000px;margin:35px auto 0;padding:22px 35px 28px;display:flex;justify-content:space-between;gap:15px;color:var(--muted);font-size:10px;border-top:1px solid var(--border)}
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;padding:25px;background:rgba(4,9,18,.78);z-index:100}.modal.open{display:flex}.modal-box{position:relative;width:min(760px,100%);padding:25px;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:16px;box-shadow:0 30px 90px rgba(0,0,0,.4)}.modal-box h2{margin:0 0 18px}.close-button{position:absolute;right:14px;top:10px;border:0;background:none;color:var(--muted);font-size:30px;line-height:1}.close-button:hover{color:var(--text)}.trailer-screen{height:390px;position:relative;overflow:hidden;display:grid;place-items:center;align-content:center;background:radial-gradient(circle at 25% 40%,rgba(20,220,220,.45),transparent 18%),radial-gradient(circle at 75% 55%,rgba(160,70,255,.42),transparent 23%),linear-gradient(135deg,#071321,#17112d);border-radius:11px}.trailer-logo,.trailer-subtitle,.trailer-bar{position:relative;z-index:1}.trailer-logo{font-size:42px;font-weight:700;color:#fff;letter-spacing:1px}.trailer-subtitle{margin-top:10px;color:#cdd9ee;font-size:15px}.trailer-bar{width:min(360px,75%);height:3px;margin-top:35px;background:rgba(255,255,255,.18);overflow:hidden}.trailer-bar span{display:block;width:45%;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));animation:progress 2.5s ease-in-out infinite alternate}@keyframes progress{from{transform:translateX(-100%)}to{transform:translateX(220%)}}.modal-note{margin:15px 0 0;color:var(--muted);font-size:12px}
@media(max-width:800px){.sidebar{position:static;width:100%;height:auto}.app-shell{display:block}.content{width:100%;margin-left:0}.sidebar .nav{grid-template-columns:repeat(2,1fr)}.sidebar-bottom{display:none}.topbar{padding:0 20px}.mobile-brand{display:block;font-weight:700}.topnav{gap:12px}.topnav a{display:none}.feature-strip,.theme-preview{grid-template-columns:1fr}footer{flex-direction:column}.page{padding:35px 20px 20px}.trailer-screen{height:300px}}