/* ===== Bản 3: vũ trụ ===== */
#space-app{display:none}
html.mode-space,html.mode-space body{overflow:hidden;height:100%;background:#0b0d24}
html.mode-space body>.top,html.mode-space body>main,html.mode-space body>footer{display:none}
html.mode-space #space-app{display:block;position:fixed;inset:0;z-index:100;color:#fff;overflow:hidden}
#sky{position:absolute;inset:0;width:100%;height:100%;image-rendering:pixelated;image-rendering:crisp-edges;touch-action:none}
.top-r{display:flex;align-items:center;gap:10px}
.to-space{font:inherit;font-size:14px;font-weight:700;border:0;background:#1d1b3a;color:#fff;border-radius:999px;padding:8px 14px;cursor:pointer}

.sp-top{position:absolute;top:0;left:0;right:0;z-index:5;display:flex;align-items:center;justify-content:space-between;padding:12px 18px;gap:10px}
.sp-brand{color:#fff}
.sp-top-r{display:flex;align-items:center;gap:10px}
.sp-ghost{font:inherit;font-size:14px;font-weight:700;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);border-radius:999px;padding:8px 14px;cursor:pointer}
.sp-ghost:hover{background:rgba(255,255,255,.2)}
.sp-zalo{box-shadow:0 8px 22px -8px rgba(230,32,110,.8)}

#sp-space{position:absolute;inset:0;pointer-events:none}
.sp-head{position:absolute;top:72px;left:0;right:0;text-align:center;padding:0 20px}
.sp-title{font-size:clamp(24px,3.2vw,40px);font-weight:800;line-height:1.2;max-width:880px;margin:0 auto;text-wrap:balance;text-shadow:0 2px 0 rgba(0,0,0,.35)}
.sp-sub{margin-top:10px;font-size:clamp(16px,1.6vw,20px);color:#ffd23f;font-weight:700}
.sp-hi{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);width:max-content;max-width:calc(100vw - 32px);font-size:15px;color:#d9d6ff;background:rgba(255,255,255,.08);border-radius:999px;padding:8px 16px;text-align:center}
.sp-hi b{color:#ff8fb5}
#sp-planets{position:absolute;inset:0}
.sp-pl{position:absolute;pointer-events:auto;border:0;background:none;color:#fff;cursor:pointer;border-radius:50%;padding:0;transform:translate(-50%,-50%)}
.sp-pl:focus-visible{outline:3px solid #ffd23f;outline-offset:4px}
.sp-pl span{position:absolute;left:50%;top:100%;transform:translateX(-50%);margin-top:10px;white-space:nowrap;text-align:center;font-weight:800;font-size:15px;line-height:1.25;text-shadow:0 2px 0 rgba(0,0,0,.5)}
.sp-pl small{display:block;font-weight:500;font-size:12.5px;color:#cfc9ff}
.sp-pl:hover span{color:#ffd23f}

#sp-planet{position:absolute;inset:0;pointer-events:none}
#sp-planet[hidden]{display:none}
.sp-pname{position:absolute;top:70px;left:24px;font-size:clamp(22px,2.6vw,34px);font-weight:800;text-shadow:0 2px 0 rgba(0,0,0,.4)}
#sp-card{position:absolute;pointer-events:auto;right:max(24px,calc((100vw - 1240px)/2));top:50%;transform:translateY(-50%);width:min(440px,42vw);max-height:calc(100vh - 200px);overflow:auto;background:#fff;color:var(--ink);border-radius:22px;padding:22px 22px 20px;box-shadow:0 24px 60px -20px rgba(0,0,0,.6)}
#sp-card.enter{animation:cardIn .28s ease-out}
@keyframes cardIn{from{opacity:0;transform:translateY(calc(-50% + 14px))}to{opacity:1;transform:translateY(-50%)}}
#sp-card .say{display:flex;gap:10px;align-items:flex-start;background:#fff3e3;border-radius:14px;padding:10px 12px;margin-bottom:14px;font-size:15px;line-height:1.45}
#sp-card .say img{width:40px;height:40px;image-rendering:pixelated;flex:none;margin-top:-4px}
#sp-card .say b{color:var(--o3)}
#sp-card h3{font-size:22px;font-weight:800;line-height:1.25}
#sp-card .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
#sp-card .tags span{font-size:12.5px;font-weight:700;padding:3px 10px;border-radius:999px;background:#efe6ff;color:var(--violet)}
#sp-card ul{margin-top:12px}
#sp-card ul li{padding-left:24px;margin-top:8px}
#sp-card ul li::before{content:"";position:absolute;left:4px;top:.6em;width:9px;height:9px;border-radius:50%;background:var(--o2)}
#sp-card ol{list-style:none;padding:0;margin-top:12px;display:grid;gap:8px;counter-reset:st}
#sp-card ol li{counter-increment:st;padding-left:36px;min-height:26px}
#sp-card ol li::before{content:counter(st);position:absolute;left:0;top:0;width:26px;height:26px;border-radius:50%;background:var(--grad);color:#fff;font-weight:800;font-size:14px;display:grid;place-items:center}
#sp-card figure{margin:12px 0 0}
#sp-card figure img{border-radius:12px}
#sp-card figcaption{font-size:13px;color:var(--muted);margin-top:6px}
#sp-card blockquote{margin-top:12px}
#sp-card .price{margin-top:12px;font-size:15px}
#sp-card .btn{margin-top:16px}
.sp-nav{position:absolute;pointer-events:auto;left:50%;bottom:20px;transform:translateX(-50%);display:flex;align-items:center;gap:10px;background:rgba(11,13,36,.7);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.15);border-radius:999px;padding:8px}
.sp-nav button{white-space:nowrap;font:inherit;font-weight:700;font-size:15px;border:0;border-radius:999px;padding:10px 16px;cursor:pointer;background:rgba(255,255,255,.14);color:#fff}
.sp-nav button.main{background:var(--grad)}
.sp-nav button:disabled{opacity:.35;cursor:default}
#sp-prev{width:42px;padding:10px 0;font-size:20px;line-height:1}
#sp-dots{display:flex;gap:6px;padding:0 4px}
#sp-dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.3)}
#sp-dots i.on{background:#ffd23f}
#sp-planet.busy .sp-nav,#sp-planet.busy .sp-pname{visibility:hidden}

@media (max-width:600px){
  .sp-top{padding:10px 12px}
  .sp-ghost{font-size:13px;padding:7px 11px}
  .sp-zalo{padding:8px 13px;font-size:14px}
  .sp-head{top:62px}
  .sp-title{font-size:22px}
  .sp-sub{font-size:15px;margin-top:6px}
  .sp-hi{font-size:13px;bottom:12px;border-radius:14px;width:calc(100vw - 24px)}
  .sp-pl span{font-size:13px}
  .sp-pl small{font-size:11px}
  .sp-pname{top:60px;left:14px}
  #sp-card{left:10px;right:10px;width:auto;top:auto;bottom:74px;transform:none;max-height:44vh;padding:16px 16px 14px;border-radius:18px}
  #sp-card.enter{animation:cardInM .25s ease-out}
  @keyframes cardInM{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
  #sp-card h3{font-size:19px}
  #sp-card .say{font-size:14px;padding:8px 10px;margin-bottom:10px}
  .sp-nav{bottom:12px;gap:6px;padding:6px}
  .sp-nav button{font-size:14px;padding:9px 12px}
}