:root{
  --page:#020a14;
  --shell:#06111d;
  --panel:#071522;
  --panel-2:#091927;
  --line:#1a344c;
  --line-soft:#12263a;
  --text:#f7fbff;
  --muted:#91a2b3;
  --orange:#ff6d00;
  --orange-2:#ff8a00;
  --green:#22e68a;
  --purple:#9a35ff;
  --gold:#ffc022;
  --radius:10px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{margin:0;background:var(--page);color:var(--text);
  font-family:Inter,"Segoe UI",system-ui,Arial,sans-serif;-webkit-font-smoothing:antialiased}
button,input,select,a{font:inherit}
button{cursor:pointer}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%}
::selection{background:rgba(255,109,0,.35);color:#fff}

/* ─── Estrutura ─── */
.app-shell{
  display:grid;
  grid-template-columns:84px minmax(0,1fr) 340px;
  min-height:100vh;
  max-width:1560px;
  margin:0 auto;
  background:var(--shell);
}

/* ─── Sidebar esquerda (ícones) ─── */
.left-sidebar{
  border-right:1px solid var(--line);
  background:#07131f;
  padding:18px 0;
  position:sticky;
  top:0;
  align-self:start;
  height:100vh;
}
.brand{
  display:grid;place-items:center;
  width:60px;height:52px;margin:0 auto 22px;
}
.brand img{width:56px;height:auto;object-fit:contain}
.icon-menu{display:flex;flex-direction:column;align-items:stretch;gap:6px;padding:0 12px}
.icon-link{
  display:flex;flex-direction:column;align-items:center;gap:5px;
  border:0;border-radius:10px;background:transparent;color:var(--muted);
  padding:11px 4px;transition:.15s;
}
.icon-link span{font-size:10px;font-weight:600;letter-spacing:.02em}
.icon-link img{width:20px;height:20px;filter:invert(72%) sepia(12%) saturate(500%) hue-rotate(166deg);transition:.15s}
.icon-link:hover{background:#0e2032;color:#fff}
.icon-link.active{background:#0e2032;color:#fff}
.icon-link.active img,.icon-link:hover img{filter:brightness(0) invert(1)}

/* ─── Coluna central ─── */
.main-column{min-width:0;background:var(--shell);display:flex;flex-direction:column}
.top-nav{
  position:sticky;top:0;z-index:20;
  height:66px;border-bottom:1px solid var(--line-soft);
  display:flex;align-items:center;gap:18px;padding:0 22px;
  background:rgba(6,17,29,.9);backdrop-filter:blur(10px);
}
.nav-logo{display:flex;align-items:center;flex-shrink:0}
.nav-logo img{height:45px;width:auto;max-height:52px}
.desktop-nav{display:flex;gap:26px;align-items:center;flex:1;justify-content:center}
.desktop-nav button{border:0;background:transparent;color:var(--muted);font-size:14px;font-weight:500;padding:6px 0;transition:.15s}
.desktop-nav button:hover{color:#fff}
.desktop-nav button.active{color:#fff;font-weight:700}

.account-area{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-login{
  padding:9px 16px;border-radius:10px;border:1px solid #2a4157;color:#fff;
  font-size:14px;font-weight:600;background:rgba(255,255,255,.02);transition:.15s;
}
.btn-login:hover{border-color:#3d5a75;background:rgba(255,255,255,.06)}

.hamburger{display:none;flex-direction:column;gap:4px;width:42px;height:42px;
  border:1px solid var(--line);border-radius:10px;background:transparent;padding:0;align-items:center;justify-content:center}
.hamburger span{display:block;width:18px;height:2px;background:#fff;border-radius:2px}

/* ─── Botões ─── */
.btn-primary,.btn-secondary{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;border-radius:10px;padding:0 20px;font-size:14px;font-weight:700;transition:.15s;
}
.btn-primary{border:0;color:#fff;background:linear-gradient(#ff7d00,#ff5d00);
  box-shadow:0 0 0 1px rgba(255,255,255,.08) inset,0 8px 24px -8px rgba(255,109,0,.7)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-secondary{border:1px solid #364352;color:#fff;background:#10161d}
.btn-secondary:hover{border-color:#4a5a6c}

.content{padding:22px 24px 0;flex:1}

/* ─── Hero ─── */
.hero{
  position:relative;overflow:hidden;
  min-height:clamp(320px,36vw,460px);
  border:1px solid #0c1d2d;border-radius:14px;
  background:
    radial-gradient(circle at 70% 50%,rgba(255,82,0,.22),transparent 30%),
    linear-gradient(90deg,#070d13 0%,#090d12 38%,#100a08 100%);
}
.hero-copy{
  position:absolute;z-index:3;left:0;top:0;width:52%;height:100%;
  display:flex;flex-direction:column;justify-content:center;
  padding:0 clamp(24px,4vw,52px);
  background:linear-gradient(90deg,#070d13 0%,rgba(7,13,19,.95) 55%,rgba(7,13,19,.15) 100%);
}
.hero-copy h2{margin:0;font-size:clamp(2rem,4.2vw,3.4rem);line-height:1.02;letter-spacing:-1px;font-weight:900}
.hero-copy h2 span{color:var(--orange)}
.hero-copy p{margin:18px 0 26px;font-size:clamp(.95rem,1.4vw,1.15rem);line-height:1.5;font-weight:600;color:#d6e0ea;max-width:26ch}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}
.hero-visual{position:absolute;right:0;top:0;width:72%;height:100%;overflow:hidden}
.hero-visual:before{content:"";position:absolute;inset:0;z-index:2;
  background:linear-gradient(90deg,#070d13 0%,rgba(7,13,19,.6) 14%,transparent 34%)}
.hero-visual img{width:100%;height:100%;object-fit:cover;object-position:center}
.slider-dots{position:absolute;z-index:5;bottom:16px;left:50%;transform:translateX(-50%);display:flex;gap:6px}
.slider-dots span{width:20px;height:5px;border-radius:10px;background:#3b4249}
.slider-dots span.active{background:var(--orange)}

/* Faíscas delicadas saindo do VS */
.vs-sparks{position:absolute;z-index:4;left:63%;top:44%;transform:translate(-50%,-50%);
  width:150px;height:180px;pointer-events:none}
.vs-sparks::before{content:"";position:absolute;left:50%;top:56%;width:70px;height:70px;
  transform:translate(-50%,-50%);border-radius:50%;
  background:radial-gradient(circle,rgba(255,120,0,.22),transparent 70%);
  filter:blur(7px);animation:vsGlow 3.2s ease-in-out infinite}
.ember{position:absolute;bottom:0;left:50%;width:3px;height:3px;border-radius:50%;
  background:radial-gradient(circle,#ffe1a3,#ff7a00 55%,rgba(255,90,0,0) 72%);
  filter:blur(.3px);opacity:0;
  animation:emberRise var(--d,4s) ease-in-out var(--delay,0s) infinite}
@keyframes emberRise{
  0%{opacity:0;transform:translate(-50%,8px) scale(.5)}
  18%{opacity:var(--op,.55)}
  70%{opacity:calc(var(--op,.55) * .4)}
  100%{opacity:0;transform:translate(calc(-50% + var(--x,0px)),-78px) scale(.95)}
}
@keyframes vsGlow{
  0%,100%{opacity:.28;transform:translate(-50%,-50%) scale(.9)}
  50%{opacity:.5;transform:translate(-50%,-50%) scale(1.12)}
}
@media(prefers-reduced-motion:reduce){.ember,.vs-sparks::before{animation:none;opacity:0}}

/* ─── Stats ─── */
.stats-grid{margin-top:18px;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.stat-card{
  border:1px solid var(--line);border-radius:12px;background:#091825;
  padding:16px 18px;position:relative;overflow:hidden;
}
.stat-card small{display:block;color:#9cabb8;font-size:.78rem;font-weight:500}
.stat-card strong{display:block;margin-top:10px;font-size:1.7rem;font-weight:800}
.stat-card .stat-icon{position:absolute;right:16px;top:16px;width:30px;height:30px;opacity:.85}
.stat-card .stat-icon svg{width:100%;height:100%}
.tone-green strong{color:var(--green)}.tone-green .stat-icon{color:var(--green)}
.tone-purple strong{color:var(--purple)}.tone-purple .stat-icon{color:var(--purple)}
.tone-orange strong{color:var(--orange)}.tone-orange .stat-icon{color:var(--orange)}

/* ─── Painéis ─── */
.panel{margin-top:18px;border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:16px 18px}
.section-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.section-heading h3{margin:0;font-size:1.15rem;font-weight:700}
.text-link{border:0;background:transparent;color:var(--orange);padding:0;font-size:.85rem;font-weight:600}
.text-link:hover{color:var(--orange-2)}

/* ─── Desafios ─── */
.challenge-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.challenge-card{min-width:0;overflow:hidden;border:1px solid var(--line);border-radius:12px;
  background:#081621;transition:.18s}
.challenge-card:hover{transform:translateY(-3px);border-color:#28506e}
.challenge-image{height:150px;position:relative;overflow:hidden;background:#111}
.challenge-image img{width:100%;height:100%;object-fit:cover}
.game-label{position:absolute;top:10px;left:0;right:0;text-align:center;font-size:1.15rem;font-weight:900;
  text-shadow:0 2px 8px #000;letter-spacing:.02em}
.challenge-meta{display:flex;justify-content:space-between;padding:10px 14px 0;font-size:.78rem;color:#9cacb9}
.challenge-entry{margin-top:12px;text-align:center;color:#9dacb8;font-size:.78rem}
.challenge-prize{text-align:center;color:#ffad00;font-size:1.35rem;font-weight:800;margin:4px 0 12px}
.challenge-card .btn-primary{display:flex;width:calc(100% - 28px);height:40px;margin:0 auto 14px;font-size:.85rem}

/* ─── Categorias ─── */
.category-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.category-card{
  border:1px solid var(--line-soft);border-radius:12px;background:#081521;
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:16px 8px;text-align:center;transition:.15s;color:inherit;
}
.category-card:hover{border-color:#28506e;background:#0a1a28}
.category-card img{width:58px;height:48px;object-fit:contain;margin-bottom:8px}
.category-card b{font-size:.92rem;line-height:1.1}
.category-card small{margin-top:5px;color:#77899a;font-size:.75rem}

/* ─── CTA + footer ─── */
.cta-band{margin-top:22px;border:1px solid var(--line);border-radius:14px;
  background:linear-gradient(90deg,rgba(255,109,0,.12),rgba(154,53,255,.1));
  padding:22px;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap}
.cta-band h3{margin:0 0 4px;font-size:1.35rem}
.cta-band p{margin:0;color:#c4d0dc;font-size:.95rem}
.site-footer{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  color:#6f8394;font-size:.8rem;padding:26px 2px 24px;margin-top:8px;border-top:1px solid var(--line-soft)}

/* ─── Lateral direita ─── */
.right-sidebar{background:#07131f;border-left:1px solid var(--line);padding:18px 16px}
.side-panel{border:1px solid var(--line);border-radius:14px;background:#081521;padding:16px;margin-bottom:16px}
.side-panel h3{margin:0 0 14px;font-size:1.05rem;color:#cbd4dc}
.quick-item{width:100%;margin-bottom:10px;border:1px solid var(--line-soft);border-radius:10px;background:#091725;
  color:#fff;padding:12px 12px;display:flex;justify-content:space-between;align-items:center;text-align:left;transition:.15s}
.quick-item:last-child{margin-bottom:0}
.quick-item:hover{border-color:#28506e;background:#0b1c2b}
.quick-item span b{display:block;font-size:.88rem}
.quick-item span small{display:block;margin-top:3px;font-size:.75rem;color:#77899b}
.quick-item img{width:16px;height:16px;filter:invert(82%)}
.quick-item img.orange-icon{filter:invert(53%) sepia(100%) saturate(3100%) hue-rotate(2deg)}

.featured-item{display:grid;grid-template-columns:52px 1fr auto;gap:10px;align-items:center;
  padding:11px 0;border-bottom:1px solid var(--line-soft)}
.featured-item:last-child{border-bottom:0}
.featured-item>img{width:52px;height:52px;object-fit:cover;border-radius:8px}
.featured-copy b{display:block;font-size:.85rem}
.featured-copy small{display:block;color:#8294a5;font-size:.75rem;margin-top:3px}
.featured-copy strong{display:block;font-size:.95rem;margin-top:4px;color:var(--gold)}
.featured-item button{border:0;background:var(--orange);color:#fff;font-size:.72rem;font-weight:700;
  height:28px;padding:0 10px;border-radius:8px}
.featured-item button:hover{background:var(--orange-2)}

.activity-item{display:grid;grid-template-columns:30px 1fr;gap:9px;align-items:start;padding:8px 0}
.activity-avatar{width:28px;height:28px;border-radius:50%;overflow:hidden;border:1px solid #2a4053}
.activity-avatar img{width:100%;height:100%;object-fit:cover}
.activity-copy{position:relative;padding-right:44px}
.activity-copy p{margin:0;color:#9aa9b7;font-size:.78rem;line-height:1.4}
.activity-copy b{color:#dce5ec}
.activity-copy em{color:var(--green);font-style:normal}
.activity-copy time{position:absolute;right:0;top:2px;color:#6f8394;font-size:.68rem}
.all-activities{display:block;width:100%;border:0;background:transparent;color:var(--orange-2);
  font-size:.82rem;font-weight:600;margin-top:10px;text-align:center}

/* ─── Toast ─── */
.toast{position:fixed;right:20px;bottom:20px;border:1px solid #24415a;border-radius:10px;background:#0a1926;color:#fff;
  padding:12px 16px;font-size:.9rem;opacity:0;transform:translateY(10px);pointer-events:none;transition:.2s;z-index:60}
.toast.show{opacity:1;transform:none}

.scrim{position:fixed;inset:0;background:rgba(2,8,16,.7);z-index:35;backdrop-filter:blur(2px)}
.scrim[hidden]{display:none}

/* ══════════ RESPONSIVO ══════════ */
@media(max-width:1200px){
  .app-shell{grid-template-columns:84px minmax(0,1fr)}
  .right-sidebar{grid-column:1 / -1;border-left:0;border-top:1px solid var(--line);
    display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start}
  .side-panel{margin-bottom:0}
  .challenge-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .desktop-nav{gap:18px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .category-grid{grid-template-columns:repeat(3,1fr)}
  .right-sidebar{grid-template-columns:1fr}
}
@media(max-width:760px){
  .app-shell{grid-template-columns:1fr}
  /* rail vira menu deslizante */
  .left-sidebar{position:fixed;left:0;top:0;z-index:40;width:230px;height:100vh;
    transform:translateX(-100%);transition:.25s;padding-top:16px}
  .left-sidebar.open{transform:none}
  .left-sidebar .icon-menu{gap:4px}
  .icon-link{flex-direction:row;justify-content:flex-start;gap:12px;padding:12px 14px}
  .icon-link span{font-size:.95rem}
  .icon-link img{width:18px;height:18px}
  .hamburger{display:flex}
  .nav-logo{margin-right:auto}
  .nav-logo img{height:36px}
  .desktop-nav{display:none}
  .top-nav{gap:12px}
  .btn-login{display:none}
  .content{padding:16px 14px 0}
  /* hero empilha: arte de fundo + copy por cima */
  .hero{min-height:0}
  .hero-visual{width:100%;opacity:.4}
  .hero-visual:before{background:linear-gradient(180deg,rgba(7,13,19,.4),rgba(7,13,19,.9))}
  .hero-copy{position:relative;width:100%;height:auto;padding:26px 20px 30px;
    background:linear-gradient(180deg,rgba(7,13,19,.2),rgba(7,13,19,.55))}
  .vs-sparks{left:50%;top:26%;width:110px;height:130px}
  .challenge-grid{gap:12px}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left}
}
@media(max-width:440px){
  .stats-grid{grid-template-columns:1fr 1fr}
  .category-grid{grid-template-columns:repeat(2,1fr)}
  .challenge-grid{grid-template-columns:1fr}
  .hero-copy h2{font-size:2rem}
}