/* ============================================================
   Poker Online — Documentation stylesheet (offline, no CDN)
   ============================================================ */
:root{
  --bg:#0a1410; --panel:#0f1c16; --panel2:#122019;
  --gold:#ffd76a; --text:#e8f0ea; --muted:#9fb3a8;
  --line:rgba(255,255,255,.10); --code:#0b1611;
  --warn:#ff8f8f; --ok:#9fffba;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:var(--bg);color:var(--text);
  font:15px/1.65 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- sidebar ---------- */
.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;background:var(--panel);
  border-right:1px solid var(--line);padding:22px 18px;overflow:auto}
.brand{font:900 18px/1.2 "Segoe UI",system-ui,sans-serif;letter-spacing:.3px;margin:0 0 4px}
.brand span{color:var(--gold)}
.tag{color:var(--muted);font-size:12px;margin:0 0 18px}
.nav a{display:block;padding:9px 12px;border-radius:10px;color:var(--text);
  font-weight:600;font-size:14px;margin:2px 0}
.nav a:hover{background:var(--panel2);text-decoration:none}
.nav a.active{background:rgba(255,215,106,.12);color:var(--gold)}
.nav .sup{font-size:12px;color:var(--muted);margin:16px 12px 4px;font-weight:700;letter-spacing:.4px}

/* ---------- main ---------- */
.main{margin-left:260px;padding:36px 32px 90px;max-width:900px}
h1{font-size:28px;margin:0 0 6px}
h2{font-size:20px;margin:34px 0 10px;color:#fff;border-bottom:1px solid var(--line);padding-bottom:6px}
h3{font-size:16px;margin:22px 0 6px;color:var(--gold)}
p,li{color:var(--text)}
ul{padding-left:22px}
code{background:var(--code);border:1px solid var(--line);border-radius:6px;padding:1px 6px;
  font:13px/1.5 Consolas,Menlo,monospace;color:#d7f5e2}
pre{background:var(--code);border:1px solid var(--line);border-radius:12px;padding:14px 16px;overflow:auto}
pre code{background:none;border:0;padding:0}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:14px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{color:var(--gold);font-weight:700}
tr:nth-child(even) td{background:rgba(255,255,255,.02)}
td code{white-space:nowrap}

/* ---------- callouts ---------- */
.note,.warn{border-radius:12px;padding:12px 14px;margin:14px 0;border:1px solid var(--line)}
.note{background:rgba(159,255,186,.06);border-color:rgba(159,255,186,.25)}
.warn{background:rgba(255,143,143,.07);border-color:rgba(255,143,143,.30)}
.note b{color:var(--ok)}
.warn b{color:var(--warn)}

/* ---------- misc ---------- */
.hero{background:linear-gradient(160deg,var(--panel2),var(--panel));border:1px solid var(--line);
  border-radius:18px;padding:26px;margin-bottom:10px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0}
.card{background:var(--panel2);border:1px solid var(--line);border-radius:14px;padding:14px}
.card b{color:var(--gold)}
.shot{display:block;border:1px dashed rgba(255,215,106,.4);border-radius:12px;padding:26px;
  text-align:center;color:var(--muted);background:var(--panel2);margin:12px 0}
.footer{color:var(--muted);font-size:12px;margin-top:50px;border-top:1px solid var(--line);padding-top:14px}
.kbd{background:var(--panel2);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:1px 6px;font-size:12px}
.menu-btn{display:none}

/* ---------- image gallery (docs screenshots) ---------- */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:14px 0}
.gallery figure{margin:0;background:var(--panel2);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.gallery img{display:block;width:100%;height:auto}
.gallery figcaption{padding:6px 10px;font-size:12px;color:var(--muted)}

/* ---------- Envato preview card (590x300, scoped under .pcard) ---------- */
.pcard{position:relative;width:590px;max-width:100%;height:300px;border-radius:16px;overflow:hidden;
  background:#05080a;color:#fff;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;
  margin:0 0 18px;box-shadow:0 10px 30px rgba(0,0,0,.5)}
.pcard *{margin:0;padding:0;box-sizing:border-box}
.pcard .bg{position:absolute;inset:0;background:
  radial-gradient(ellipse 70% 90% at 50% -10%, rgba(34,227,160,.45) 0%, transparent 55%),
  radial-gradient(ellipse 90% 70% at 50% 110%, rgba(255,215,106,.18) 0%, transparent 60%),
  radial-gradient(circle at 12% 20%, rgba(166,77,255,.22) 0%, transparent 40%),
  radial-gradient(circle at 88% 80%, rgba(255,61,119,.20) 0%, transparent 40%),
  linear-gradient(180deg, #071410 0%, #05080a 60%, #02040a 100%)}
.pcard .bg::before{content:'';position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:22px 22px;
  -webkit-mask-image:radial-gradient(ellipse at center, black 20%, transparent 80%);
  mask-image:radial-gradient(ellipse at center, black 20%, transparent 80%)}
.pcard .frame{position:absolute;inset:0;border:1px solid transparent;pointer-events:none;z-index:100;
  border-image:linear-gradient(135deg, rgba(255,215,106,.85) 0%, rgba(255,215,106,.15) 25%, rgba(34,227,160,.55) 50%, rgba(255,215,106,.15) 75%, rgba(255,215,106,.85) 100%) 1}
.pcard .content{position:relative;z-index:10;height:100%;padding:14px 18px 12px;display:flex;flex-direction:column;gap:8px}
.pcard .header{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.pcard .left{flex:1;min-width:0}
.pcard .brand{display:flex;align-items:center;gap:7px;margin-bottom:3px}
.pcard .spade{font-size:24px;line-height:1;background:linear-gradient(135deg,#ffd76a,#e0a83a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 0 6px rgba(255,215,106,.8))}
.pcard .title{font-size:28px;font-weight:900;line-height:1;letter-spacing:-.5px;background:linear-gradient(180deg,#ffffff 30%,#ffd76a 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.pcard .subtitle{font-size:10px;font-weight:800;color:#7ecfa8;letter-spacing:1.8px;text-transform:uppercase}
.pcard .tagline{font-size:9px;font-weight:800;color:#ffd76a;letter-spacing:1px;margin-top:4px;text-transform:uppercase;opacity:.9}
.pcard .right{display:flex;flex-direction:column;align-items:flex-end;gap:3px;flex-shrink:0}
.pcard .price{font-size:20px;font-weight:900;color:#fff;background:linear-gradient(180deg,#22e3a0,#0e8f6a);padding:3px 11px;border-radius:7px;box-shadow:0 4px 12px rgba(34,227,160,.45),inset 0 1px 0 rgba(255,255,255,.3);letter-spacing:-.5px}
.pcard .rating{font-size:10px;color:#ffd76a;letter-spacing:.8px}
.pcard .sellers{font-size:7px;color:#7a8a85;font-weight:800;letter-spacing:.5px}
.pcard .badges{display:flex;gap:4px;flex-wrap:wrap}
.pcard .badge{font-size:8px;font-weight:900;padding:3px 7px;border-radius:5px;letter-spacing:.3px;text-transform:uppercase;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.05);color:#cfe6dd}
.pcard .badge.hot{background:linear-gradient(180deg, rgba(255,215,106,.25), rgba(224,168,58,.15));border-color:rgba(255,215,106,.55);color:#ffd76a;box-shadow:0 0 10px rgba(255,215,106,.3)}
.pcard .badge.green{background:linear-gradient(180deg, rgba(34,227,160,.22), rgba(34,227,160,.08));border-color:rgba(34,227,160,.5);color:#7fffc0}
.pcard .stage{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:2px;perspective:800px}
.pcard .shot{position:relative;border-radius:7px;overflow:hidden;flex-shrink:0;background:linear-gradient(160deg,#0e2a1e,#061410)}
.pcard .shot img{width:100%;height:100%;display:block;object-fit:cover}
.pcard .shot.s2{width:25%;height:84%;z-index:2;transform:perspective(600px) rotateY(10deg) rotateZ(-2deg);box-shadow:0 12px 26px rgba(0,0,0,.75),0 0 0 1px rgba(79,227,214,.7),0 0 22px rgba(79,227,214,.4)}
.pcard .shot.s3{width:25%;height:84%;z-index:2;transform:perspective(600px) rotateY(-10deg) rotateZ(2deg);box-shadow:0 12px 26px rgba(0,0,0,.75),0 0 0 1px rgba(166,77,255,.7),0 0 22px rgba(166,77,255,.4)}
.pcard .shot.s1{width:42%;height:100%;z-index:3;transform:perspective(600px) rotateX(1deg);box-shadow:0 18px 38px rgba(0,0,0,.85),0 0 0 2px rgba(255,215,106,.85),0 0 34px rgba(255,215,106,.45)}
.pcard .shot .label{position:absolute;bottom:5px;left:5px;font-size:7px;font-weight:900;letter-spacing:.5px;text-transform:uppercase;padding:2px 6px;border-radius:4px;background:rgba(0,0,0,.85);color:#ffd76a;border:1px solid rgba(255,215,106,.5);z-index:5}

/* ---------- image lightbox (click to enlarge) ---------- */
.main img{cursor:zoom-in}
.lbox{position:fixed;inset:0;background:rgba(4,8,6,.88);display:none;
  align-items:center;justify-content:center;z-index:1000;padding:24px}
.lbox.open{display:flex}
.lbox img{max-width:96vw;max-height:92vh;height:auto;border-radius:10px;
  box-shadow:0 24px 70px rgba(0,0,0,.7);cursor:zoom-out}

/* ---------- mobile ---------- */
@media(max-width:900px){
  .sidebar{transform:translateX(-100%);transition:transform .2s;z-index:20;box-shadow:0 10px 30px rgba(0,0,0,.5)}
  .sidebar.open{transform:none}
  .main{margin-left:0;padding:64px 18px 60px}
  .menu-btn{display:inline-block;position:fixed;top:12px;left:12px;z-index:30;
    background:var(--panel2);color:var(--gold);border:1px solid var(--line);
    border-radius:10px;padding:8px 12px;font:700 14px system-ui;cursor:pointer}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
}