:root{
  /* Tons fixos (mesma identidade) */
  --blue:#2f6bff;
  --blue2:#3aa0ff;

  /* Tema claro */
  --bg:#ffffff;
  --panel:#f6f8fc;
  --card:#ffffff;

  --muted:#5f6b7a;
  --text:#0f172a;

  --line:rgba(15,23,42,.10);
  --shadow: 0 14px 45px rgba(15,23,42,.10);

  --radius:18px;
  --radius2:22px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

*{ box-sizing:border-box; }
body{
  margin:0;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 15% 10%, rgba(47,107,255,.14), transparent 60%),
    radial-gradient(900px 500px at 85% 20%, rgba(58,160,255,.10), transparent 55%),
    var(--bg);
  color:var(--text);
}

/* ---------------- AUTH ---------------- */
.auth-shell{
  min-height:100vh;
  display:grid;
  grid-template-columns: 420px 1fr;
  gap:26px;
  padding:38px;
}
.auth-card{
  background: var(--card);
  border:1px solid var(--line);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  padding:28px;
}
.brand{ display:flex; gap:12px; align-items:center; margin-bottom:18px; }
.brand-mark{ width:38px; height:38px; }
.brand-mark.small{ width:30px; height:30px; }
.brand-name{ font-weight:900; letter-spacing:.16em; }
.brand-sub{ color:var(--muted); font-size:12px; margin-top:2px; }
.brand-name.sm{ font-size:14px; }
.brand-sub.sm{ font-size:11px; }

.auth-title{ margin:10px 0 6px; font-size:22px; }
.auth-hint{ margin:0 0 16px; color:var(--muted); }

.alert{
  background: rgba(255,68,68,.10);
  border:1px solid rgba(255,68,68,.22);
  padding:10px 12px;
  border-radius: 12px;
  margin: 12px 0 16px;
  color:#8a1f1f;
}

.auth-form{ display:flex; flex-direction:column; gap:12px; }
.field span{ display:block; font-size:12px; color:var(--muted); margin:0 0 6px; }
.field input{
  width:100%;
  padding:12px 12px;
  border-radius: 14px;
  border:1px solid rgba(15,23,42,.14);
  outline:none;
  background: #f3f5f9;
  color:var(--text);
}
.field input:focus{
  border-color: rgba(47,107,255,.55);
  box-shadow: 0 0 0 4px rgba(47,107,255,.14);
  background:#fff;
}
.btn-primary{
  margin-top:6px;
  padding:12px 14px;
  border-radius: 14px;
  border:1px solid rgba(47,107,255,.55);
  background: linear-gradient(90deg, var(--blue), var(--blue2));
  color:white;
  font-weight:800;
  cursor:pointer;
}
.btn-primary:hover{ filter: brightness(1.03); }

.auth-footer{
  margin-top:10px;
  display:flex;
  gap:8px;
  align-items:center;
  color:var(--muted);
  font-size:12px;
  flex-wrap:wrap;
}
.pill{
  border:1px solid rgba(15,23,42,.14);
  background: #f3f5f9;
  padding:4px 8px;
  border-radius: 999px;
}

.auth-side{
  display:flex;
  align-items:center;
  justify-content:center;
}
.side-card{
  width:min(720px, 100%);
  background: rgba(255,255,255,.75);
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  padding: 28px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
}
.side-card h2{ margin:0 0 10px; }
.side-card p{ margin:0 0 14px; color:var(--muted); line-height:1.6; }
.side-card ul{ margin:0; padding-left:18px; color:var(--text); }
.side-card li{ margin:8px 0; }

/* ---------------- APP ---------------- */
.app-shell{
  min-height:100vh;
  display:grid;
  grid-template-columns: 270px 1fr;
}
.sidebar{
  background: var(--panel);
  border-right: 1px solid var(--line);
  padding: 18px 14px;
  display:flex;
  flex-direction:column;
  gap:14px;
}
.sidebar-brand{
  display:flex;
  align-items:center;
  gap:12px;
  padding: 10px 10px;
  border-radius: 16px;
  background: #ffffff;
  border:1px solid var(--line);
  box-shadow: 0 10px 28px rgba(15,23,42,.06);
}
.nav{ display:flex; flex-direction:column; gap:8px; margin-top:6px; }
.nav-item{
  text-decoration:none;
  color: var(--text);
  padding: 11px 12px;
  border-radius: 14px;
  border: 1px solid transparent;
  background: rgba(255,255,255,.75);
}
.nav-item:hover{
  border-color: rgba(15,23,42,.10);
  background: #ffffff;
}
.nav-item.active{
  border-color: rgba(47,107,255,.35);
  background: rgba(47,107,255,.10);
}

.sidebar-footer{
  margin-top:auto;
  display:flex;
  flex-direction:column;
  gap:10px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.userbox{
  display:flex;
  gap:10px;
  align-items:center;
  padding:10px 10px;
  border-radius: 14px;
  background: #ffffff;
  border:1px solid var(--line);
}
.userdot{
  width:10px;height:10px;border-radius:999px;
  background: linear-gradient(90deg, var(--blue), var(--blue2));
}
.userlabel{ font-size:11px; color:var(--muted); }
.username{ font-weight:800; }

.btn-ghost{
  text-decoration:none;
  text-align:center;
  padding:10px 12px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,.14);
  color: var(--text);
  background: #ffffff;
}
.btn-ghost:hover{ background: #f3f5f9; }

.content{
  padding: 18px;
}
.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 16px;
  border-radius: var(--radius);
  background: #ffffff;
  border:1px solid var(--line);
  box-shadow: 0 10px 28px rgba(15,23,42,.06);
}
.topbar-title{ font-weight:900; letter-spacing:.02em; }
.chip{
  font-size:12px;
  color: var(--muted);
  border:1px solid rgba(15,23,42,.14);
  padding:6px 10px;
  border-radius: 999px;
  background: #f3f5f9;
}

.page{ padding: 14px 2px; }

.grid{
  display:grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap:12px;
}
.card{
  background: #ffffff;
  border:1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: 0 10px 28px rgba(15,23,42,.06);
}
.card-title{ color: var(--muted); font-size:12px; }
.card-value{ font-size:26px; font-weight:950; margin-top:8px; }
.card-muted{ color:var(--muted); margin-top:8px; }

.actions{ display:flex; gap:10px; flex-wrap:wrap; margin-top:12px; }
.btn-secondary{
  text-decoration:none;
  padding:10px 12px;
  border-radius: 14px;
  border:1px solid rgba(47,107,255,.28);
  background: rgba(47,107,255,.10);
  color: var(--text);
  font-weight:700;
}
.btn-secondary:hover{ background: rgba(47,107,255,.14); }

.mt{ margin-top:12px; }

/* responsivo */
@media (max-width: 1100px){
  .grid{ grid-template-columns: repeat(2, minmax(0,1fr)); }
  .auth-shell{ grid-template-columns: 1fr; }
}
@media (max-width: 720px){
  .app-shell{ grid-template-columns: 1fr; }
  .sidebar{ position: sticky; top:0; z-index:2; }
}