:root{
  --bg0:#05060f; --bg1:#0a0f22; --bg2:#0e1430; --panel:#0f1631; --panel2:#121a3a;
  --line:#243056; --txt:#eaf2ff; --muted:#8ea0c8; --cyan:#22e6ff; --blue:#3b82f6; --purple:#8a5cf6;
  --green:#2fe08a; --red:#ff5a7a; --gold:#ffd23f;
  --ring:0 0 0 3px rgba(34,230,255,.3);
}
*{box-sizing:border-box;margin:0}
html,body{height:100%}
body{background:
    radial-gradient(90% 60% at 50% -10%, rgba(58,40,120,.45), transparent 60%),
    radial-gradient(60% 50% at 100% 0%, rgba(34,230,255,.12), transparent 55%),
    linear-gradient(180deg,var(--bg1),var(--bg0));
  color:var(--txt); font-family:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif; line-height:1.5;
  min-height:100%; -webkit-font-smoothing:antialiased;}
a{color:var(--cyan);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;font-size:20px;letter-spacing:.3px}
.brand .logo{font-size:22px}
.brand .name{background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}

/* topbar */
.topbar{position:sticky;top:0;z-index:20;backdrop-filter:blur(10px);
  background:rgba(8,11,26,.7);border-bottom:1px solid var(--line)}
.topbar .inner{display:flex;align-items:center;justify-content:space-between;height:62px}
.nav{display:flex;gap:10px;align-items:center}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:12px;
  padding:12px 18px;font-size:15px;font-weight:800;letter-spacing:.3px;cursor:pointer;color:#04121f;
  background:linear-gradient(180deg,var(--cyan),#0f9fd0);box-shadow:0 8px 20px rgba(34,230,255,.28);
  transition:transform .06s,filter .15s,box-shadow .15s}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(2px) scale(.99)}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn.ghost{background:transparent;color:var(--txt);border:1px solid var(--line);box-shadow:none}
.btn.ghost:hover{border-color:var(--cyan);filter:none}
.btn.green{background:linear-gradient(180deg,var(--green),#13a866);color:#042112;box-shadow:0 8px 20px rgba(47,224,138,.28)}
.btn.danger{background:transparent;border:1px solid var(--red);color:var(--red);box-shadow:none}
.btn.block{width:100%}
.btn.lg{padding:15px 22px;font-size:16px}

/* cards */
.card{background:linear-gradient(180deg,var(--panel),var(--panel2));border:1px solid var(--line);
  border-radius:16px;padding:22px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.card h3{font-size:15px;color:var(--muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}

/* forms */
.field{margin-bottom:14px;text-align:left}
.field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:6px;font-weight:600}
.input{width:100%;background:#0a1026;border:1px solid var(--line);color:var(--txt);border-radius:12px;
  padding:13px 14px;font-size:15px;transition:border-color .15s,box-shadow .15s}
.input:focus{outline:none;border-color:var(--cyan);box-shadow:var(--ring)}
.input.bad{border-color:var(--red)}
.pwrow{position:relative}
.pwrow .toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:0;color:var(--muted);
  cursor:pointer;font-size:12px;padding:6px}
.meter{height:6px;border-radius:4px;background:#0a1026;overflow:hidden;margin-top:8px}
.meter > i{display:block;height:100%;width:0;background:var(--red);transition:width .2s,background .2s}
.msg{font-size:13px;margin-top:6px;min-height:16px}
.msg.err{color:var(--red)} .msg.ok{color:var(--green)}
.check{display:flex;gap:9px;align-items:flex-start;font-size:13px;color:var(--muted);margin:10px 0;text-align:left}
.check input{margin-top:3px}

/* centered auth */
.authwrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:28px 18px}
.authcard{width:100%;max-width:400px}
.authcard h1{font-size:22px;text-align:center;margin-bottom:4px}
.authcard .sub{color:var(--muted);text-align:center;font-size:13.5px;margin-bottom:20px}
.tabs{display:flex;gap:6px;background:#0a1026;border:1px solid var(--line);border-radius:12px;padding:4px;margin-bottom:18px}
.tabs button{flex:1;border:0;background:none;color:var(--muted);padding:10px;border-radius:9px;cursor:pointer;font-weight:700}
.tabs button.active{background:linear-gradient(180deg,var(--cyan),#0f9fd0);color:#04121f}
.hidden{display:none!important}
.tiny{font-size:12px;color:var(--muted);text-align:center;margin-top:14px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;padding:3px 9px;border-radius:999px;border:1px solid var(--line)}
.badge.ok{color:var(--green);border-color:rgba(47,224,138,.4);background:rgba(47,224,138,.08)}
.badge.warn{color:var(--gold);border-color:rgba(255,210,63,.4);background:rgba(255,210,63,.08)}

/* landing hero */
.hero{padding:70px 0 50px;text-align:center}
.hero h1{font-size:clamp(34px,7vw,60px);font-weight:900;line-height:1.05;letter-spacing:-.5px}
.hero h1 .grad{background:linear-gradient(90deg,var(--cyan),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p{color:var(--muted);font-size:clamp(15px,2.5vw,19px);max-width:620px;margin:18px auto 28px}
.hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding:20px 0 60px}
.feature .ic{font-size:26px;margin-bottom:8px}
.feature h4{font-size:16px;margin-bottom:4px}
.feature p{color:var(--muted);font-size:13.5px}
.disclaimer{border:1px solid rgba(255,210,63,.4);background:rgba(255,210,63,.07);color:var(--gold);
  border-radius:12px;padding:12px 16px;font-size:12.5px;margin:0 0 40px;text-align:center}

/* account layout */
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.side{background:rgba(8,11,26,.6);border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:4px}
.side .brand{margin:6px 8px 16px}
.side a{display:flex;align-items:center;gap:10px;color:var(--muted);padding:11px 12px;border-radius:10px;font-weight:600;font-size:14px}
.side a:hover{background:#101937;color:var(--txt);text-decoration:none}
.side a.active{background:linear-gradient(90deg,rgba(34,230,255,.16),transparent);color:var(--cyan)}
.side .spacer{flex:1}
.main{padding:26px 28px}
.main h2{font-size:22px;margin-bottom:2px}
.main .lead{color:var(--muted);margin-bottom:22px}
.grid{display:grid;gap:16px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.stat .n{font-size:30px;font-weight:900;color:var(--cyan)}
.stat .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.8px}
.avatar{width:54px;height:54px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-size:22px;color:#04121f}
.row{display:flex;align-items:center;gap:14px}
.list{list-style:none;padding:0;margin:0}
.list li{display:flex;justify-content:space-between;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13.5px}
.list li:last-child{border-bottom:0}
.muted{color:var(--muted)}
.empty{color:var(--muted);font-size:13.5px;padding:10px 0}
.hambtn{display:none}

@media (max-width:860px){
  .features{grid-template-columns:1fr}
  .grid.c3,.grid.c2{grid-template-columns:1fr}
  .app{grid-template-columns:1fr}
  .side{position:fixed;inset:0 40% 0 0;z-index:30;transform:translateX(-100%);transition:transform .2s}
  .side.open{transform:none}
  .hambtn{display:inline-flex}
  .main{padding:18px}
}

/* ===== premium landing + auth ===== */
.bg-canvas{position:fixed;inset:0;width:100%;height:100%;z-index:-1;display:block}
body.landing{overflow-x:hidden}
.topbar{position:relative;z-index:2}
.hero-wrap{display:flex;align-items:center;min-height:calc(100vh - 62px)}
.hero{text-align:center;padding:40px 20px 30px;width:100%}
.eyebrow{font-size:12px;letter-spacing:3px;color:var(--cyan);font-weight:800;margin-bottom:14px}
.hero h1{font-size:clamp(40px,8vw,82px);font-weight:900;line-height:.98;letter-spacing:-1px;text-shadow:0 8px 40px rgba(0,0,0,.6)}
.hero p{color:#c3d0ee;font-size:clamp(15px,2.4vw,20px);max-width:600px;margin:18px auto 26px}
.hero .cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.feature-strip{display:flex;gap:30px;justify-content:center;flex-wrap:wrap;margin-top:42px}
.feature-strip > div{display:flex;flex-direction:column;align-items:center;gap:2px}
.feature-strip b{font-size:14px}.feature-strip span{font-size:12px;color:var(--muted)}
.landing-footer{position:relative;z-index:2;padding:10px 20px 28px}

.btn.glow{animation:ctaGlow 2.6s ease-in-out infinite}
@keyframes ctaGlow{0%,100%{box-shadow:0 8px 20px rgba(34,230,255,.3)}50%{box-shadow:0 10px 36px rgba(34,230,255,.62)}}

.authsplit{display:grid;grid-template-columns:1.05fr .95fr;min-height:100vh}
.authart{position:relative;overflow:hidden;display:flex;align-items:flex-end;padding:48px;border-right:1px solid var(--line)}
.authart .bg-canvas{position:absolute;z-index:0}
.authart-copy{position:relative;z-index:1;max-width:420px}
.authart-copy .brand{margin-bottom:20px}
.authart-copy h2{font-size:34px;font-weight:900;line-height:1.05}
.authart-copy p{color:#c3d0ee;margin-top:10px}
.authpanel{display:flex;align-items:center;justify-content:center;padding:28px 20px;background:rgba(7,9,18,.55)}
.authpanel .authcard{width:100%;max-width:382px;background:linear-gradient(180deg,rgba(18,22,52,.92),rgba(12,16,38,.94));
  border:1px solid var(--line);border-radius:18px;padding:28px 26px;box-shadow:0 20px 60px rgba(0,0,0,.5);backdrop-filter:blur(8px)}
.mobile-brand{display:none;justify-content:center;margin-bottom:16px}
@media (max-width:820px){
  .authsplit{grid-template-columns:1fr}
  .authart{display:none}
  .authpanel{min-height:100vh}
  .mobile-brand{display:flex}
}
@media (prefers-reduced-motion: reduce){ .btn.glow{animation:none} }

/* logo como wordmark (no lugar do texto) */
.brand-logo{height:38px;width:auto;display:block}
.side .brand-logo{height:34px}
.authart-copy .brand-logo{height:54px}
.mobile-brand .brand-logo{height:40px;margin:0 auto}