:root{
  --bg: #05060f;
  --bg2: #0a0c1e;
  --panel: #10142c;
  --panel-line: #262c58;
  --gold: #ffcc4d;
  --cyan: #4fd8ec;
  --purple: #a06bff;
  --text: #eaf0ff;
  --text-dim: #8891c4;
  --red: #ff5d73;
}

*{ box-sizing:border-box; }
html,body{ margin:0; padding:0; }
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Baloo 2', sans-serif;
  min-height:100vh;
  position:relative;
}
a{ color:inherit; text-decoration:none; }

.page-bg{
  position:fixed; inset:0; z-index:-1;
  background:
    radial-gradient(ellipse 70% 45% at 15% -10%, rgba(45,108,255,.18), transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(160,107,255,.14), transparent 55%),
    radial-gradient(ellipse 60% 45% at 50% 110%, rgba(79,216,236,.12), transparent 55%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}

/* ---------- header ---------- */
.site-header{
  display:flex; align-items:center; justify-content:space-between;
  padding:18px clamp(20px,5vw,60px);
  flex-wrap:wrap; gap:12px;
}
.logo{
  font-family:'Press Start 2P', monospace;
  font-size:18px;
  color:var(--text);
  letter-spacing:1px;
}
.logo span{ color:var(--gold); text-shadow:0 0 10px rgba(255,204,77,.6); }
.site-header nav{ display:flex; align-items:center; gap:18px; font-weight:700; font-size:15px; flex-wrap:wrap; }
.site-header nav a{ color:var(--text-dim); transition:color .15s; }
.site-header nav a:hover{ color:var(--text); }
.nav-user{ color:var(--cyan) !important; }
.btn-nav{
  background:var(--gold); color:#05060f !important; padding:8px 16px; border-radius:10px;
  font-weight:800;
}

main{ padding:0 clamp(20px,5vw,60px) 60px; max-width:1100px; margin:0 auto; }

/* ---------- hero ---------- */
.hero{ text-align:center; padding:50px 10px 40px; }
.hero h1{
  font-size:clamp(28px,5.4vw,48px);
  line-height:1.25;
  margin:0 0 16px;
}
.hero h1 span{ color:var(--gold); text-shadow:0 0 16px rgba(255,204,77,.5); }
.hero p{ color:var(--text-dim); font-size:clamp(15px,2.4vw,18px); max-width:560px; margin:0 auto; font-weight:600; }

/* ---------- games grid ---------- */
.games-grid{
  display:grid; grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
  gap:24px; margin-top:20px;
}
.game-card{
  --accent: #4fd8ec;
  background:var(--panel);
  border:2px solid var(--panel-line);
  border-radius:20px;
  padding:28px 24px;
  display:flex; flex-direction:column; gap:10px;
  transition:transform .15s ease, border-color .15s ease, box-shadow .15s ease;
  position:relative;
  overflow:hidden;
}
.game-card::before{
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse 80% 60% at 50% -20%, color-mix(in srgb, var(--accent) 25%, transparent), transparent 70%);
  pointer-events:none;
}
.game-card:hover{
  transform:translateY(-4px);
  border-color:var(--accent);
  box-shadow:0 14px 30px rgba(0,0,0,.35), 0 0 0 1px color-mix(in srgb, var(--accent) 40%, transparent);
}
.game-icon{ font-size:40px; }
.game-card h3{ margin:0; font-size:21px; }
.game-card p{ margin:0; color:var(--text-dim); font-size:14.5px; font-weight:600; line-height:1.5; flex-grow:1; }
.play-btn{
  align-self:flex-start;
  color:var(--accent); font-weight:800; font-size:15px;
  margin-top:6px;
}
.empty-msg{ color:var(--text-dim); font-weight:700; grid-column:1/-1; text-align:center; padding:40px 0; }

/* ---------- game page ---------- */
.game-page{ --accent:#4fd8ec; padding-top:20px; }
.game-page-head{ text-align:center; margin-bottom:20px; }
.game-page-head h1{ font-size:clamp(24px,4vw,32px); margin:0 0 8px; }
.game-page-head p{ color:var(--text-dim); font-weight:600; max-width:520px; margin:0 auto; }
.notice{ margin-top:10px; font-size:14px; }
.notice a{ color:var(--gold); font-weight:800; }

.game-frame-wrap{
  width:100%; max-width:440px; margin:0 auto;
  aspect-ratio:9/17.5;
  border-radius:20px; overflow:hidden;
  border:3px solid var(--accent);
  box-shadow:0 0 30px color-mix(in srgb, var(--accent) 35%, transparent), 0 20px 40px rgba(0,0,0,.4);
  background:#000;
}
.game-frame-wrap iframe{ width:100%; height:100%; border:0; display:block; }

.save-status{ text-align:center; min-height:22px; color:var(--gold); font-weight:800; margin-top:14px; }
.back-link{ text-align:center; margin-top:10px; }
.back-link a{ color:var(--text-dim); font-weight:700; }
.back-link a:hover{ color:var(--text); }

/* ---------- auth pages ---------- */
.auth-page{
  max-width:380px; margin:40px auto; background:var(--panel);
  border:2px solid var(--panel-line); border-radius:20px; padding:32px;
  text-align:center;
}
.auth-page h1{ font-size:24px; margin:0 0 20px; }
.auth-form{ display:flex; flex-direction:column; gap:14px; text-align:left; }
.auth-form label{ font-size:13px; font-weight:700; color:var(--text-dim); display:flex; flex-direction:column; gap:6px; }
.auth-form input{
  background:#0a0c1e; border:2px solid var(--panel-line); border-radius:10px;
  padding:10px 12px; color:var(--text); font-family:'Baloo 2', sans-serif; font-size:15px;
}
.auth-form input:focus{ outline:none; border-color:var(--cyan); }
.btn{
  margin-top:6px; font-family:'Baloo 2', sans-serif; font-weight:800; font-size:16px;
  color:#05060f; background:var(--gold); border:none; border-radius:12px; padding:12px 20px;
  cursor:pointer; box-shadow:0 5px 0 #c9a53c;
}
.btn:active{ transform:translateY(3px); box-shadow:0 2px 0 #c9a53c; }
.alt-link{ margin-top:16px; font-size:14px; color:var(--text-dim); }
.alt-link a{ color:var(--cyan); font-weight:800; }
.error{ background:rgba(255,93,115,.12); border:1px solid var(--red); color:var(--red); border-radius:10px; padding:10px; font-size:14px; font-weight:700; }

/* ---------- ranking / profile ---------- */
.ranking-page{ padding-top:20px; }
.ranking-page h1{ text-align:center; font-size:clamp(24px,4vw,32px); }
.ranking-tabs{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; margin:20px 0 30px; }
.ranking-tabs .tab{
  background:var(--panel); border:2px solid var(--panel-line); border-radius:12px;
  padding:9px 16px; font-weight:700; font-size:14px; color:var(--text-dim);
}
.ranking-tabs .tab.active{ border-color:var(--gold); color:var(--gold); }
.ranking-list{ list-style:none; margin:0 auto; padding:0; max-width:420px; display:flex; flex-direction:column; gap:8px; }
.ranking-list li{
  display:flex; align-items:center; gap:12px;
  background:var(--panel); border:2px solid var(--panel-line); border-radius:12px; padding:10px 16px;
}
.ranking-list .pos{ font-weight:800; color:var(--text-dim); width:32px; }
.ranking-list .name{ flex-grow:1; font-weight:700; }
.ranking-list .score{ font-weight:800; color:var(--gold); }

/* ---------- footer ---------- */
.site-footer{
  text-align:center; padding:30px; color:var(--text-dim); font-size:14px; font-weight:700;
}
.site-footer span{ color:var(--gold); }

@media (max-width:480px){
  .site-header{ justify-content:center; text-align:center; }
  .site-header nav{ justify-content:center; }
}