/* R1 GDD Wiki — trang tong hop cac wiki con.
   Khong co thanh tren: moi thu dồn vao menu trai de noi dung game chiem tron chieu cao. */
:root{
  --bg:#f6f7fb; --panel:#fff; --ink:#1c2030; --muted:#6b7280; --line:#e4e7ef;
  --brand:#5b3fd6; --brand-2:#7c5cf0;
  --side-w:264px; --rail-w:56px; --radius:12px;
}
*{box-sizing:border-box}
/* Bat buoc: nhieu lop duoi day co dat display (flex/grid), ma display trong CSS thang
   thuoc tinh hidden cua HTML. Khong co dong nay thi #viewer va cac nut van hien. */
[hidden]{display:none !important}
html,body{height:100%}
body{
  margin:0; overflow:hidden; background:var(--bg); color:var(--ink);
  font:15px/1.55 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}
a{color:var(--brand); text-decoration:none}
a:hover{text-decoration:underline}
.muted{color:var(--muted)}

/* ---------- bo cuc: chi hai cot, cao tron man hinh ---------- */
.layout{display:flex; height:100vh; height:100dvh}

.sidebar{
  width:var(--side-w); flex:0 0 var(--side-w);
  display:flex; flex-direction:column; min-height:0;
  background:var(--panel); border-right:1px solid var(--line);
  transition:width .18s ease, flex-basis .18s ease;
}
body.collapsed .sidebar{width:var(--rail-w); flex-basis:var(--rail-w)}

/* dau menu: nut thu gon + ten trang */
.side-head{
  display:flex; align-items:center; gap:8px; padding:10px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));
}
.icon-btn{
  display:inline-grid; place-items:center; flex:0 0 36px; width:36px; height:36px;
  border:0; border-radius:9px; cursor:pointer; font-size:16px; line-height:1;
  background:rgba(255,255,255,.16); color:#fff; text-decoration:none;
}
.icon-btn:hover{background:rgba(255,255,255,.3); text-decoration:none}
.brand{display:flex; align-items:center; gap:8px; min-width:0; color:#fff; font-weight:650}
.brand:hover{text-decoration:none; opacity:.92}
.brand-mark{
  display:inline-grid; place-items:center; flex:0 0 26px; width:26px; height:26px;
  border-radius:7px; background:rgba(255,255,255,.2); font-size:12px; font-weight:800;
}
.brand-t{white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
body.collapsed .side-head{flex-direction:column; padding:10px 8px; gap:8px}
body.collapsed .brand-t{display:none}

.side-title{
  font-size:11px; font-weight:700; letter-spacing:.9px; text-transform:uppercase;
  color:var(--muted); padding:14px 16px 8px;
}
body.collapsed .side-title{display:none}

/* danh sach game — phan duy nhat duoc cuon */
#nav{flex:1 1 auto; min-height:0; overflow-y:auto; overflow-x:hidden; padding:0 8px 10px; display:flex; flex-direction:column; gap:2px}
body.collapsed #nav{padding:10px 6px; align-items:center}
.nav-item{
  display:flex; align-items:center; gap:10px; padding:9px 10px; border-radius:10px;
  color:var(--ink); cursor:pointer; border:1px solid transparent;
}
.nav-item:hover{background:#f1f2f9; text-decoration:none}
.nav-item.cur{background:#efe9ff; border-color:#d9ccff; font-weight:620}
.nav-item img{width:28px; height:28px; border-radius:8px; object-fit:cover; flex:0 0 28px; background:#eef0f6}
.nav-item .n{display:flex; flex-direction:column; min-width:0}
.nav-item .n b{font-weight:inherit; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
.nav-item .n small{color:var(--muted); font-size:11.5px; white-space:nowrap; overflow:hidden; text-overflow:ellipsis}
body.collapsed .nav-item{padding:6px; gap:0; justify-content:center; width:44px}
body.collapsed .nav-item .n{display:none}

/* chan menu: toan nut icon — ve trang tong quan, tai lai, mo tab rieng */
.side-foot{border-top:1px solid var(--line); padding:10px; display:flex; gap:8px}
.side-foot .icon-btn{background:#eceaf8; color:var(--brand)}
.side-foot .icon-btn:hover{background:#ded9f6}
.acts{display:flex; gap:8px}
body.collapsed .side-foot{padding:8px; flex-direction:column; align-items:center}
body.collapsed .acts{flex-direction:column}

/* ---------- vung noi dung ---------- */
.content{flex:1 1 auto; min-width:0; position:relative; overflow:auto}

/* trang tong quan */
.home{max-width:1080px; margin:0 auto; padding:26px 22px 40px}
.hero{
  background:linear-gradient(120deg,var(--brand),var(--brand-2)); color:#fff;
  border-radius:16px; padding:22px 26px; box-shadow:0 6px 20px rgba(80,50,200,.18);
}
.hero h1{margin:0; font-size:27px; letter-spacing:.2px}
.hero-stats{display:flex; flex-wrap:wrap; gap:8px 18px; margin-top:14px; font-size:14px; color:#f2efff}
.hero-stats b{font-size:17px; color:#fff}
.hero-stats .muted{color:#e8e3ff; opacity:.85}

.sec{margin:26px 0 12px; font-size:16px; letter-spacing:.2px}
.cards{display:grid; grid-template-columns:repeat(auto-fill,minmax(310px,1fr)); gap:14px}
.card{
  display:flex; gap:13px; padding:15px; background:var(--panel); border:1px solid var(--line);
  border-radius:var(--radius); color:var(--ink); cursor:pointer;
  transition:transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}
.card:hover{transform:translateY(-2px); box-shadow:0 8px 20px rgba(28,32,48,.10); border-color:#d6d9e6; text-decoration:none}
.card img{width:52px; height:52px; border-radius:12px; object-fit:cover; flex:0 0 52px; background:#eef0f6}
.card .c-t{font-weight:660; margin-bottom:2px}
.card .c-s{color:var(--muted); font-size:12.5px; margin-bottom:7px}
.card .c-n{font-size:13px; color:#454b60}
.card .c-stats{display:flex; flex-wrap:wrap; gap:4px 12px; margin-top:9px; font-size:12.5px; color:var(--muted)}
.card .c-stats b{color:var(--ink)}
.card .c-stats.err{color:#a1471f}
.foot{margin-top:26px; color:var(--muted); font-size:13px}

/* khung xem wiki con — chiem tron chieu cao */
.viewer{position:absolute; inset:0; display:flex}
#frame{flex:1; width:100%; height:100%; border:0; background:#fff; display:block}
.vstate{
  position:absolute; inset:0; display:grid; place-content:center; gap:10px; text-align:center;
  padding:30px; background:var(--bg); z-index:2;
}
.vstate h3{margin:0; font-size:17px}
.vstate p{margin:0; color:var(--muted); max-width:56ch}
.spin{
  width:26px; height:26px; margin:0 auto; border-radius:50%;
  border:3px solid #ddd8f6; border-top-color:var(--brand); animation:sp .8s linear infinite;
}
@keyframes sp{to{transform:rotate(360deg)}}
.btn{display:inline-block; padding:8px 14px; border-radius:9px; background:var(--brand); color:#fff; font-size:14px; border:0; cursor:pointer}
.btn:hover{background:var(--brand-2); text-decoration:none}

/* ---------- man hinh hep ---------- */
@media (max-width:820px){
  :root{--side-w:230px; --rail-w:50px}
  .home{padding:18px 14px 30px}
  .hero{padding:18px}
  .hero h1{font-size:22px}
}