:root{
  --bg1:#0a0f1f; --bg2:#05080f; --bg3:#101726;
  --hi:#00d4ff; --hi2:#7a5cff;
  --glass:rgba(15,20,35,.92); --glass2:rgba(20,26,45,.96);
  --muted:#c5cfdd; --txt:#fff;
}

:root[data-theme="light"] {
  --bg1:#f3f4f7; --bg2:#dce0e6; --bg3:#ffffff;
  --hi:#0066ff; --hi2:#00bfff;
  --glass:rgba(255,255,255,.96); --glass2:rgba(255,255,255,.98);
  --muted:#333; --txt:#111;
}

*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{
  font-family:"Segoe UI",system-ui,Arial;
  color:var(--txt);
  background:radial-gradient(circle at top, var(--bg3) 0%, var(--bg1) 40%, var(--bg2) 100%);
  overflow-x:hidden;
}
.hidden{display:none !important}

/* NAVBAR */
.navbar{
  position:sticky;top:0;z-index:1000;
  display:grid;
  grid-template-columns: 1fr auto 1fr;
  align-items:center;
  padding:14px 38px;
  background:rgba(0,0,0,.75);
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.05);
}
.logo{width:44px;height:44px;border-radius:50%}
.logo-area{display:flex;align-items:center;gap:12px;justify-self:start;}
.brand{display:flex;flex-direction:column;line-height:1.05}
.title{font-weight:700}
.slogan{font-size:12px;color:#cfd6e6}
.navbar nav ul{display:flex;gap:32px;list-style:none;margin:0;padding:0;justify-content:center;}
.link-like,nav a{background:none;border:0;color:var(--txt);cursor:pointer;font:inherit;text-decoration:none;position:relative;padding:4px 2px;transition:.25s}
.link-like:hover,nav a:hover{color:var(--hi);transform:scale(1.05)}
.link-like::after,nav a::after{content:"";position:absolute;left:0;bottom:-3px;width:0;height:2px;background:linear-gradient(90deg,var(--hi),var(--hi2));transition:width .25s}
.link-like:hover::after,nav a:hover::after{width:100%}
.theme-toggle{justify-self:end;background:none;border:0;font-size:20px;cursor:pointer;color:var(--txt);transition:.25s}
.theme-toggle:hover{transform:scale(1.1)}

/* HERO */
.hero{display:grid;grid-template-columns:1fr minmax(280px,780px) 1fr;align-items:center;gap:20px;padding:64px 5% 42px}
.hero-text{text-align:center}
.hero h1{font-size:clamp(28px,4.5vw,56px);margin:0 0 10px}
.hi{background:linear-gradient(90deg,var(--hi),var(--hi2));-webkit-background-clip:text;background-clip:text;color:transparent}
.btn-grad{display:inline-block;padding:12px 26px;border-radius:12px;color:#fff;background:linear-gradient(90deg,var(--hi),var(--hi2));box-shadow:0 10px 26px rgba(0,212,255,.18);transition:transform .18s,box-shadow .18s,filter .18s}
.btn-grad:hover{transform:translateY(-2px) scale(1.05);filter:saturate(1.08);box-shadow:0 14px 34px rgba(0,212,255,.28)}
.mascote-left,.mascote-right{width:clamp(120px,14vw,220px);animation:float 3s ease-in-out infinite}
.mascote-right{animation-delay:1.5s;transform:scaleX(-1);}
@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-12px)}100%{transform:translateY(0)}
}

.btn-grad:hover{
  transform:translateY(-2px) scale(1.05);
  filter:saturate(1.08);
  box-shadow:0 14px 34px rgba(0,212,255,.28)
}
.mascote-left,.mascote-right{width:clamp(120px,14vw,220px);animation:float 3s ease-in-out infinite}
.mascote-right{animation-delay:1.5s}
@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-12px)}100%{transform:translateY(0)}}

/* INTRO */
.section-intro{text-align:center;padding:14px 5% 6px}
.section-intro h2{margin:0 0 6px;font-size:clamp(22px,3vw,32px);background:linear-gradient(90deg,var(--hi),var(--hi2));-webkit-background-clip:text;color:transparent}
.divider{height:4px;width:min(320px,70%);margin:10px auto 8px;border-radius:999px;background:linear-gradient(90deg,transparent,var(--hi),var(--hi2),transparent)}
.muted{color:var(--muted);margin:0}

/* SECTIONS alternadas */
section:nth-of-type(odd){background:rgba(255,255,255,.02)}
section:nth-of-type(even){background:rgba(0,0,0,.15)}

/* CARDS */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 5% 36px}
@media(max-width:1024px){.cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.cards{grid-template-columns:1fr}}
.card{
  background:var(--glass);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;padding:22px 18px;cursor:pointer;
  transition:transform .25s,box-shadow .25s,border .25s,background .25s;
  text-align:center
}
.card h3{margin:0 0 6px;background:linear-gradient(90deg,var(--hi),var(--hi2));-webkit-background-clip:text;color:transparent}
.card p{margin:6px 0 0;color:#d3dbe8;font-size:14px}
.card i{font-size:32px;margin-bottom:10px;color:var(--hi)}
.card:hover{
  transform:translateY(-6px) scale(1.02);
  box-shadow:0 18px 40px rgba(0,0,0,.35);
  border:1px solid transparent;
  border-image:linear-gradient(90deg,var(--hi),var(--hi2)) 1
}
.card:focus-visible{outline:2px solid var(--hi)}

/* FORM / BOTÕES / RESULT */
.input-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
input[type="number"],input[type="text"],textarea,select{
  width:100%;max-width:520px;padding:12px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  background:#0f1627;color:#e6edf7;outline:none;transition:border-color .2s, box-shadow .2s
}
textarea{min-height:110px;resize:vertical}
input:focus,textarea:focus,select:focus{border-color:var(--hi);box-shadow:0 0 0 3px rgba(0,212,255,.15)}
.actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:12px}
.btn{padding:10px 16px;border-radius:10px;border:0;cursor:pointer;color:#fff;background:linear-gradient(90deg,var(--hi),var(--hi2));transition:.18s}
.btn:hover{transform:translateY(-1px) scale(1.03)}
.copy-btn{padding:8px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;cursor:pointer}
.copy-btn:hover{background:rgba(255,255,255,.16)}

/* RESULTADOS */
.result{margin:18px auto 6px;font-weight:800;letter-spacing:.5px;font-size:clamp(22px,4.2vw,56px);
  text-shadow:0 8px 30px rgba(0,0,0,.35);text-align:center;animation:pop .35s both}
@keyframes pop{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1.06)}}

/* MODAL */
.modal{position:fixed;inset:0;display:grid;place-items:center;background:rgba(0,0,0,.6);backdrop-filter:blur(6px);z-index:1400}
.modal.hidden{display:none !important}
.modal-card{width:min(760px,92vw);background:var(--glass2);border:1px solid rgba(255,255,255,.12);border-radius:16px;padding:22px;
  box-shadow:0 30px 60px rgba(0,0,0,.45);position:relative}
.modal h2,.modal h3{margin:8px 0 10px;background:linear-gradient(90deg,var(--hi),var(--hi2));-webkit-background-clip:text;color:transparent}
.modal p,.modal li{color:#d7deea}
.modal ul{padding-left:18px}
.modal-close{position:absolute;right:14px;top:12px;width:36px;height:36px;border-radius:10px;cursor:pointer;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);color:#fff;font-size:22px;line-height:1}
.modal-close:hover{background:rgba(255,255,255,.18)}

/* OVERLAY (Sorteando…) */
.overlay{position:fixed;inset:0;display:grid;place-items:center;background:rgba(5,8,15,.86);backdrop-filter:blur(2px);z-index:1600}
.overlay.hidden{display:none !important}
.overlay-center{text-align:center}
.overlay-img{width:min(160px,28vw);animation:spin 1.8s linear infinite}
.overlay-text{margin-top:10px;font-size:clamp(18px,2.4vw,28px);color:#e9f2ff;animation:fade-in 1s infinite alternate}
@keyframes spin{from{transform:rotateY(0)}to{transform:rotateY(360deg)}}
@keyframes fade-in{from{opacity:.6}to{opacity:1}}

/* FOGOS (canvas ocupa tela, mas não intercepta cliques) */
#fogos{position:fixed;inset:0;z-index:1500;pointer-events:none}

/* TOAST */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:rgba(0,0,0,.85);color:#fff;padding:10px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.1);backdrop-filter:blur(6px);z-index:2000}

/* BINGO */
#bingoBoard div{padding:8px 0;text-align:center;border-radius:8px;background:rgba(255,255,255,.06);transition:transform .2s,background .2s,color .2s}
#bingoBoard div.marked{background:linear-gradient(90deg,var(--hi),var(--hi2));color:#fff;transform:scale(1.18)}

/* FOOTER */
footer{padding:22px;text-align:center;color:#cbd5e1;background:rgba(0,0,0,.5);border-top:1px solid rgba(255,255,255,.05)}

/* Mascote mini */
.mascote-mini{position:fixed;bottom:16px;right:16px;width:80px;height:80px;z-index:1200}
.mascote-mini.hidden{display:none !important}
.mascote-mini img{width:100%;animation:float 3s ease-in-out infinite}

/* Moeda 3D */
.coin{margin:0 auto;width:120px;height:120px;position:relative;transform-style:preserve-3d}
.coin .side{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:28px;color:#fff;border-radius:50%;
  backface-visibility:hidden;background:linear-gradient(145deg,#ffb347,#ffcc33);box-shadow:0 4px 10px rgba(0,0,0,.3)}
.coin .tails{transform:rotateY(180deg)}
.coin.heads{animation:flip-heads 1s forwards}
.coin.tails{animation:flip-tails 1s forwards}
@keyframes flip-heads{to{transform:rotateY(1800deg)}}
@keyframes flip-tails{to{transform:rotateY(1980deg)}}

/* Dado 3D */
.dice{margin:0 auto;width:100px;height:100px;position:relative;transform-style:preserve-3d;transition:transform 1s;background:#fff;border-radius:10px;border:2px solid #000}
.dice.show-1{transform:rotateX(0deg) rotateY(0deg)}
.dice.show-2{transform:rotateY(90deg)}
.dice.show-3{transform:rotateY(-90deg)}
.dice.show-4{transform:rotateX(90deg)}
.dice.show-5{transform:rotateX(-90deg)}
.dice.show-6{transform:rotateY(180deg)}

/* PRELOADER (mascote sentado) */
#preloader{
  position:fixed;inset:0;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  background:var(--bg1);
  z-index:3000;color:var(--txt);
}
#preloader.fade-out{opacity:0;pointer-events:none;transition:opacity .8s ease}
#preloader img{width:120px;animation:float 3s ease-in-out infinite}