/* ================== Design tokens ================== */
:root{
  --bg:#0f1115;
  --fg:#eaeef3;
  --muted:#9aa3b2;

  --surface:#161a22;     /* cards */
  --surface-2:#0f1320;   /* inputs */
  --stroke:#202533;      /* bordas discretas */

  --accent:#4f8cff;      /* primário */
  --accent-600:#2d6cdf;  /* hover/press */

  --warn:#f0ad4e;
  --err:#d9534f;

  --radius:12px;
  --radius-sm:10px;

  --shadow-1:0 10px 30px rgba(0,0,0,.35);
  --shadow-2:0 6px 16px rgba(79,140,255,.35);
}

/* ============== Base / Reset leve ============== */
*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family:system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  background:var(--bg);
  color:var(--fg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img{ max-width:100%; display:block; }

/* ============== Topbar ============== */
.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:12px 20px;
  background:#0b0d12;
  border-bottom:1px solid var(--stroke);
}
.topbar .brand{ font-weight:700; letter-spacing:.3px; }
.topbar a{
  color:var(--fg); margin-left:16px; text-decoration:none; opacity:.9;
}
.topbar a:hover{ opacity:1; }

/* ============== Layout Containers ============== */
.container{ max-width:900px; margin:30px auto; padding:0 16px; }
.full-bleed{
  width:100vw; max-width:100vw;
  margin-left:calc(50% - 50vw);
  margin-right:calc(50% - 50vw);
}
body{ overflow-x:hidden; } /* evita scroll horizontal ao usar full-bleed */

/* ============== Cards / Tipografia ============== */
.card{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow-1);
}
.card-sm{ max-width:420px; margin:0 auto; }
h1,h2,h3{ margin:0 0 .75rem; }
small{ color:var(--muted); }

/* ============== Formulários ============== */
label{
  display:block; margin-top:12px; font-size:.95rem; color:var(--fg);
}
input, select, textarea{
  width:100%; padding:12px 14px; margin-top:6px;
  border-radius:var(--radius-sm);
  border:1px solid #2a3142;
  background:var(--surface-2);
  color:var(--fg);
  outline:0;
  transition:border-color .2s, box-shadow .2s, background .2s;
}
input::placeholder{ color:#b8c0cf88; }
input:focus-visible, select:focus-visible, textarea:focus-visible{
  border-color:var(--accent);
  box-shadow:0 0 0 3px rgba(79,140,255,.25);
  background:#121830;
}

/* Campo de senha com botão olho */
.password-box{ position:relative; }
.password-box input{ padding-right:44px; }
.toggle-pass{
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  background:transparent; border:0; color:#cfcfcf; font-size:18px;
  padding:6px; cursor:pointer;
}
.toggle-pass:hover{ color:#fff; }

/* ============== Botões ============== */
button, .btn{
  appearance:none; border:0;
  border-radius:var(--radius-sm);
  padding:12px 16px; cursor:pointer; font-weight:600;
}
.btn-block{ width:100%; }
.btn-primary, button[type="submit"]{
  background:var(--accent); color:#fff;
  box-shadow:var(--shadow-2);
  transition:transform .05s ease, filter .2s ease, box-shadow .2s ease;
}
.btn-primary:hover, button[type="submit"]:hover{
  filter:brightness(1.05);
  box-shadow:0 8px 22px rgba(79,140,255,.45);
}
.btn-primary:active, button[type="submit"]:active{ transform:translateY(1px); }

/* ============== Flash / Alerts ============== */
.flash .alert{
  margin-bottom:8px; padding:10px 12px; border-radius:var(--radius-sm);
  border:1px solid transparent;
}
.alert.warning{ background:#2d2a13; border-color:#6b5f1a; }
.alert.danger, .alert.error{ background:#2a1416; border-color:#6b1a1f; }
.alert.success{ background:rgba(25,135,84,.18); border-color:rgba(25,135,84,.35); }

/* ============== Login Page ============== */
.login-wrap{
  min-height:calc(100vh - 56px); /* ajusta conforme altura da topbar */
  display:grid; place-items:center; padding:24px;
  background:
    radial-gradient(1200px 600px at 50% -10%, rgba(255,255,255,.04), transparent 60%),
    radial-gradient(800px 400px at 100% 100%, rgba(255,255,255,.03), transparent 60%);
}
.login-card{
  width:100%; max-width:420px;
  background:rgba(20,20,22,.9);
  border:1px solid rgba(255,255,255,.06);
  border-radius:16px; padding:28px; box-shadow:var(--shadow-1);
}
.login-logo{
  height:56px; margin:0 auto 12px; object-fit:contain;
  filter:drop-shadow(0 1px 1px rgba(0,0,0,.4));
}
.login-title{ text-align:center; margin:6px 0 18px; font-size:1.4rem; }
.login-form .field{ margin-bottom:14px; }
.login-hint{ display:block; text-align:center; margin-top:14px; opacity:.8; font-size:.86rem; }
.login-flash .alert{
  border-radius:var(--radius-sm); padding:10px 12px; margin-bottom:10px; font-size:.92rem;
}

/* ============== Power BI / Embed helpers ============== */
.powerbi-wrapper{ margin-top:18px; }
.powerbi-frame{ width:100%; height:90vh; border:0; display:block; } /* usar com .full-bleed */

/* ============== Responsivo ============== */
@media (max-width: 480px){
  .container{ margin:20px auto; padding:0 12px; }
  .login-card{ padding:22px; }
  .topbar{ padding:10px 14px; }
}


/* === HERO (fundo) === */
.login-hero{
  position:relative;
  min-height:calc(100vh - 56px);
  background: radial-gradient(1200px 600px at 20% -10%, rgba(79,140,255,.12), transparent 60%),
              radial-gradient(1000px 600px at 100% 100%, rgba(114,225,168,.10), transparent 60%),
              var(--bg);
  overflow:hidden;
}

/* blobs animados */
.blob{
  position:absolute;
  filter: blur(50px);
  opacity:.35;
  mix-blend-mode: screen;
  animation: floatBlob 16s ease-in-out infinite alternate;
}
.b1{ width:420px; height:420px; left:-80px; top:-80px; background: #4f8cff; }
.b2{ width:520px; height:520px; right:-120px; bottom:-120px; background: #72e1a8; animation-duration:19s; }
.b3{ width:380px; height:380px; left:55%; top:20%; background: #ffd166; animation-duration:22s; opacity:.25; }

@keyframes floatBlob{
  to { transform: translate3d(20px, 30px, 0) scale(1.05); }
}

/* palco e card */
.login-stage{
  position:relative;
  display:grid;
  place-items:center;
  min-height:inherit;
  perspective: 900px; /* pro parallax */
  padding: 28px 16px;
}

.login-glass{
  width:100%;
  max-width: 860px;                 /* card mais largo e moderno */
  display:grid;
  grid-template-columns: 1fr 1fr;   /* 2 colunas em telas grandes */
  gap: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02));
  border:1px solid rgba(255,255,255,.08);
  border-radius: 18px;
  box-shadow: 0 20px 60px rgba(0,0,0,.45);
  overflow:hidden;
  transition: transform .15s ease-out;
}

/* cabeçalho e corpo em uma coluna */
.login-header{
  grid-column: 1 / -1;
  text-align:center;
  padding: 28px 28px 4px 28px;
}
.login-header .subtitle{ color:#b8c0cf; margin-top:6px; }

.login-logo{
  height:58px; margin: 0 auto 10px; object-fit:contain;
  filter: drop-shadow(0 1px 1px rgba(0,0,0,.4));
}

.login-form, .login-foot, .login-flash{
  grid-column: 1 / -1;
  padding: 18px 28px;
}

.login-form .field{ margin-bottom: 14px; }
.login-form label{ display:block; margin-bottom:6px; font-size:.95rem; }

.login-form input{
  width:100%; padding:12px 14px; border-radius:10px;
  border:1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.05);
  color:#fff; outline:0;
  transition:border-color .2s, box-shadow .2s, background .2s;
}
.login-form input:focus-visible{
  border-color: var(--accent);
  background: rgba(255,255,255,.07);
  box-shadow: 0 0 0 3px rgba(79,140,255,.25);
}

.password-box{ position:relative; }
.password-box input{ padding-right:44px; }
.toggle-pass{
  position:absolute; right:8px; top:50%; transform:translateY(-50%);
  background:transparent; border:0; color:#cfcfcf; font-size:18px;
  padding:6px; cursor:pointer;
}
.toggle-pass:hover{ color:#fff; }

/* linha com lembrar-me e link */
.form-row{
  margin-top: 2px;
  display:flex; align-items:center; justify-content:space-between;
}
.chk{ display:flex; align-items:center; gap:8px; opacity:.95; }
.chk input{ accent-color: var(--accent); }
.link-muted{ color:#b8c0cf; text-decoration:none; }
.link-muted:hover{ color:#fff; }

/* botão com spinner */
.btn-spinner{
  width:18px; height:18px; margin-left:8px;
  border:2px solid rgba(255,255,255,.45);
  border-top-color: transparent;
  border-radius:50%;
  display:none;
  animation: spin .8s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg);} }
.loading .btn-label{ opacity:.7; }
.loading .btn-spinner{ display:inline-block; }

.login-foot{ text-align:center; padding-top: 6px; padding-bottom: 24px; color:#b8c0cf; }

/* flash com shake */
.login-flash .alert{
  border-radius:10px; padding:10px 12px; margin-bottom:10px; font-size:.92rem;
  background: rgba(217,83,79,.18); border:1px solid rgba(217,83,79,.35);
}
.shake{ animation: shake .28s ease-in-out 0s 2; }
@keyframes shake{
  0%,100%{ transform: translateX(0); }
  25%{ transform: translateX(-6px); }
  75%{ transform: translateX(6px); }
}

/* responsivo */
@media (max-width: 680px){
  .login-glass{
    grid-template-columns: 1fr;    /* 1 coluna no mobile */
    max-width: 94vw;
  }
  .login-form, .login-foot, .login-flash, .login-header{
    padding-left: 18px; padding-right: 18px;
  }
}