/* Pesquisa Aprofundada — pesquisa.wellka.com.br · tema light + mobile-first */
:root {
  --bg: #f6f8fb;
  --bg2: #eef2f7;
  --card: #ffffff;
  --border: #e3e9f1;
  --border2: #d3dce8;
  --text: #101828;
  --muted: #5b6b82;
  --accent: #2563eb;
  --accent2: #3b82f6;
  --accent-soft: #eff4ff;
  --ok: #15803d;
  --ok-soft: #ecfdf3;
  --warn: #b45309;
  --warn-soft: #fffaeb;
  --danger: #b42318;
  --danger-soft: #fef3f2;
  --shadow: 0 1px 2px rgba(16,24,40,.05), 0 4px 14px rgba(16,24,40,.06);
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.65;
  font-size: 16px;
}

::selection { background: var(--accent-soft); color: var(--accent); }

/* ---------- Topbar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: 1040px; margin: 0 auto; padding: 10px 16px;
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
}

.brand {
  display: flex; align-items: center; gap: 9px;
  font-weight: 700; font-size: 15.5px; color: var(--text); text-decoration: none;
  white-space: nowrap;
}

.brand-dot {
  width: 11px; height: 11px; border-radius: 4px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: inline-block; flex: none;
}

.nav {
  display: flex; gap: 2px; flex-wrap: nowrap;
  overflow-x: auto; -webkit-overflow-scrolling: touch;
  scrollbar-width: none; flex: 1; min-width: 0;
  padding: 2px 0;
}
.nav::-webkit-scrollbar { display: none; }

.nav a {
  color: var(--muted); text-decoration: none; font-size: 13.5px;
  font-weight: 500; padding: 7px 11px; border-radius: 999px;
  white-space: nowrap; transition: .15s; flex: none;
}

.nav a:hover { color: var(--text); background: var(--bg2); }

.nav a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }

/* ---------- Layout ---------- */
.container { max-width: 1040px; margin: 0 auto; padding: 20px 16px 72px; }

.hero {
  background: linear-gradient(160deg, #ffffff, #f3f7ff 60%);
  border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px 22px; margin-bottom: 26px;
}

.hero h1 { font-size: 26px; line-height: 1.28; margin-bottom: 10px; letter-spacing: -.02em; }
.hero h1 span { color: var(--accent); }
.hero p { color: var(--muted); font-size: 15px; max-width: 760px; }

h2 {
  font-size: 20px; margin: 34px 0 12px; letter-spacing: -.01em;
  padding-left: 11px; border-left: 4px solid var(--accent); line-height: 1.3;
}
h3 { font-size: 16px; margin: 22px 0 8px; color: #1c2b45; }
p { margin-bottom: 12px; }
ul, ol { margin: 0 0 14px 20px; }
li { margin-bottom: 6px; }

a { color: var(--accent); }

strong { color: var(--text); }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 12px; }
.grid.cols2 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid.cols3 { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 18px; transition: .15s;
}
.card:hover { border-color: var(--border2); }

.card h4 { font-size: 15px; margin-bottom: 7px; }
.card p { font-size: 14px; color: var(--muted); margin: 0; }

.kpi { text-align: center; }
.kpi .num { font-size: 27px; font-weight: 800; color: var(--accent); letter-spacing: -.02em; }
.kpi .lbl { font-size: 12px; color: var(--muted); }

/* ---------- Badges ---------- */
.badge {
  display: inline-block; font-size: 11px; font-weight: 700;
  padding: 2px 9px; border-radius: 999px; letter-spacing: .3px;
  vertical-align: middle;
}
.b-strong { background: var(--ok-soft); color: var(--ok); }
.b-mod { background: var(--accent-soft); color: var(--accent); }
.b-weak { background: var(--warn-soft); color: var(--warn); }
.b-none { background: var(--danger-soft); color: var(--danger); }
.b-anec { background: #f5f3ff; color: #6d28d9; }

/* ---------- Tables ---------- */
.table-wrap {
  overflow-x: auto; margin: 12px 0 20px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--card); box-shadow: var(--shadow);
  -webkit-overflow-scrolling: touch;
}

table { width: 100%; border-collapse: collapse; font-size: 13.5px; min-width: 560px; }

th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--border); }

th {
  font-size: 11px; text-transform: uppercase; letter-spacing: .6px;
  color: var(--muted); background: var(--bg2); white-space: nowrap;
}

tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafcff; }

td small { color: var(--muted); }

/* ---------- Callouts ---------- */
.callout {
  border-radius: 12px; padding: 15px 17px; margin: 16px 0;
  border: 1px solid; font-size: 14.5px;
}
.callout strong { display: block; margin-bottom: 4px; }
.c-ok { border-color: #b5e0c5; background: var(--ok-soft); }
.c-warn { border-color: #f2dfa8; background: var(--warn-soft); }
.c-danger { border-color: #f0c5c0; background: var(--danger-soft); }
.c-info { border-color: #c4d5f7; background: var(--accent-soft); }
.callout ul { margin-top: 4px; }

/* ---------- Refs ---------- */
.refs { font-size: 14px; }
.refs li { margin-bottom: 9px; color: var(--muted); }
.refs code { color: var(--accent); font-size: 12px; }

.footer {
  border-top: 1px solid var(--border); margin-top: 56px; padding: 22px 16px;
  color: var(--muted); font-size: 12.5px; text-align: center;
}

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100dvh; display: flex; align-items: center; justify-content: center;
  padding: 20px;
  background:
    radial-gradient(900px 500px at 85% -10%, #e4edff 0%, transparent 60%),
    radial-gradient(700px 400px at -10% 110%, #eef4e9 0%, transparent 55%),
    var(--bg);
}

.login-card {
  width: 100%; max-width: 380px;
  background: var(--card); border: 1px solid var(--border);
  border-radius: 18px; box-shadow: var(--shadow);
  padding: 30px 26px;
}

.login-card .lock {
  width: 44px; height: 44px; border-radius: 13px;
  background: var(--accent-soft); color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}

.login-card h1 { font-size: 20px; margin-bottom: 6px; letter-spacing: -.01em; }
.login-card .sub { color: var(--muted); font-size: 13.5px; margin-bottom: 20px; }

.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: #344054; }

.field input {
  width: 100%; padding: 11px 13px; font-size: 16px;
  border: 1px solid var(--border2); border-radius: 10px;
  background: #fff; color: var(--text); outline: none; transition: .15s;
  -webkit-appearance: none; appearance: none;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.btn {
  width: 100%; margin-top: 14px; padding: 11px 16px;
  background: var(--accent); color: #fff; border: none; border-radius: 10px;
  font-size: 15px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: .15s;
}
.btn:hover { background: #1d4ed8; }
.btn:active { transform: scale(.99); }
.btn:disabled { opacity: .6; cursor: wait; }

.login-err {
  display: none; margin-top: 12px; padding: 10px 12px;
  background: var(--danger-soft); color: var(--danger);
  border: 1px solid #f0c5c0; border-radius: 10px; font-size: 13.5px;
}

.login-foot { margin-top: 18px; text-align: center; font-size: 12px; color: var(--muted); }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  .hero h1 { font-size: 21px; }
  .hero { padding: 20px 16px; }
  h2 { font-size: 18px; }
  .container { padding: 14px 14px 64px; }
  .topbar-inner { padding: 8px 12px; gap: 8px; }
  .nav a { font-size: 13px; padding: 6px 10px; }
  .card { padding: 15px; }
  .kpi .num { font-size: 23px; }
  td, th { padding: 9px 11px; }
}