:root{
  --bg:#F4F6FA;--surface:#FFFFFF;--ink:#0D1526;--muted:#566178;--line:#DCE2EC;
  --accent:#1D4DFF;--accent-ink:#FFFFFF;--accent-soft:#E6ECFF;
  --up:#0FA86B;--warn:#E08A00;--down:#D93B3B;
  --hero:#0B1224;--hero-ink:#EEF2FF;--hero-muted:#95A0BD;--hero-line:#1F2A45;--hero-card:#111A33;
  --f-display:"Unbounded","Segoe UI",system-ui,sans-serif;
  --f-body:"Manrope","Segoe UI",system-ui,sans-serif;
  --f-mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#090E1B;--surface:#101829;--ink:#E8EDF8;--muted:#98A3BC;--line:#222C44;
  --accent:#5B80FF;--accent-ink:#06102E;--accent-soft:#16224A;
  --up:#2BD28E;--warn:#FFB23E;--down:#FF6B6B;
  --hero:#060A16;--hero-ink:#EEF2FF;--hero-muted:#8F9AB8;--hero-line:#1A2440;--hero-card:#0D152B;
  color-scheme:dark}}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--f-body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit}
h1,h2,h3{font-family:var(--f-display);font-weight:700;line-height:1.12;margin:0;text-wrap:balance}
p{margin:0}
.wrap{max-width:1160px;margin-inline:auto;padding-inline:20px}
.eyebrow{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 15px/1 var(--f-body);padding:15px 22px;border-radius:10px;text-decoration:none;border:1px solid transparent;cursor:pointer;transition:transform .15s,background .15s,opacity .15s}
.btn:hover{transform:translateY(-1px)}
.btn:disabled{opacity:.55;cursor:progress;transform:none}
.btn-primary{background:var(--accent);color:var(--accent-ink)}
.btn-ghost{border-color:var(--hero-line);color:var(--hero-ink);background:transparent}
.btn-line{border-color:var(--line);color:var(--ink);background:var(--surface)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

.nav{position:sticky;top:0;z-index:10;background:color-mix(in srgb,var(--hero) 90%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--hero-line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.logo{display:flex;align-items:center;gap:10px;font-family:var(--f-display);font-weight:700;font-size:19px;color:var(--hero-ink);text-decoration:none}
.logo svg{width:30px;height:30px;flex:none}
.logo .t{font-weight:400;color:var(--accent)}
.nav ul{display:flex;gap:26px;list-style:none;margin:0;padding:0}
.nav ul a{color:var(--hero-muted);text-decoration:none;font-size:14px;font-weight:500}
.nav ul a:hover{color:var(--hero-ink)}
.nav .act{display:flex;gap:10px;align-items:center}
.nav .btn{padding:10px 16px;font-size:14px}
@media (max-width:820px){.nav ul{display:none}}
@media (max-width:420px){.nav .btn-ghost{display:none}}

/* formulários */
.field{display:grid;gap:6px;min-width:0}
.field label{font-size:13px;font-weight:600}
.field input,.field select{width:100%;font:500 15px var(--f-body);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:12px 13px}
.field input:focus,.field select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:transparent}
.field input[type=checkbox],.field input[type=radio]{width:auto;padding:0}
.field textarea{width:100%;font:500 15px var(--f-body);color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:9px;padding:12px 13px;resize:vertical}
.field .err{font-size:12.5px;color:var(--down);min-height:0}
.field.bad input{border-color:var(--down)}
.msg{font-size:14px;padding:12px 14px;border-radius:9px;display:none}
.msg.show{display:block}
.msg.bad{background:color-mix(in srgb,var(--down) 12%,transparent);color:var(--down)}
.msg.ok{background:color-mix(in srgb,var(--up) 13%,transparent);color:var(--up)}

/* cartão de autenticação */
.auth{min-height:calc(100vh - 62px);display:grid;place-items:center;padding:40px 16px}
.card{width:100%;max-width:420px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:32px;display:grid;gap:18px}
.card h1{font-size:24px}
.card .sub{color:var(--muted);font-size:15px}
.card .links{display:flex;justify-content:space-between;gap:10px;font-size:14px;color:var(--muted)}
.card .links a{text-decoration:none;color:var(--accent);font-weight:600}
@media (max-width:480px){.card{padding:24px 18px}}
.foot{padding:32px 0 44px;color:var(--muted);font-size:14px}
.foot .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px}
.foot a{color:var(--muted)}