/* mesmas cores do app desktop (modo escuro), claro quando o sistema pede */
:root {
  --bg: #0b1220;
  --bg-glow: #13213b;
  --panel: #0f172a;
  --field: #0b1324;
  --line: #1e2a44;
  --text: #e2e8f0;
  --muted: #8193b2;
  --accent: #60a5fa;
  --on-accent: #06101f;
  --danger: #f87171;
  --danger-bg: rgba(248, 113, 113, .12);
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root {
    --bg: #eef2f7; --bg-glow: #ffffff; --panel: #ffffff; --field: #ffffff; --line: #d5dde8;
    --text: #0f172a; --muted: #5b6b82; --accent: #2563eb; --on-accent: #ffffff;
    --danger: #dc2626; --danger-bg: #fee2e2; color-scheme: light;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; min-height: 100vh; display: flex; flex-direction: column;
  background: radial-gradient(ellipse at 40% 0%, var(--bg-glow) 0%, var(--bg) 60%) fixed, var(--bg);
  color: var(--text); font: 15px/1.5 system-ui, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
h1 { margin: 0 0 8px; font-size: 28px; line-height: 1.2; }
h2 { margin: 0 0 8px; font-size: 18px; }
h3 { margin: 0 0 6px; font-size: 15px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 24px; border-bottom: 1px solid var(--line);
}
.brand { color: var(--text); font-weight: 700; text-decoration: none; font-size: 17px; }
.logo { color: var(--accent); }
.top nav { display: flex; align-items: center; gap: 16px; }
.top nav a:not(.btn) { color: var(--text); text-decoration: none; }
.top nav form { margin: 0; }

main { flex: 1; width: 100%; max-width: 1000px; margin: 0 auto; padding: 40px 16px; }
.foot { text-align: center; color: var(--muted); font-size: 13px; padding: 24px 16px; border-top: 1px solid var(--line); }

.btn {
  display: inline-block; padding: 10px 18px; border-radius: 8px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--on-accent); font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
}
.btn.ghost { background: none; color: var(--text); border-color: var(--line); }
.btn.small { padding: 6px 12px; font-size: 14px; }
button.link { background: none; border: none; padding: 0; color: var(--accent); font: inherit; cursor: pointer; }
button.link.danger { color: var(--danger); }

.hero { text-align: center; padding: 32px 0 40px; }
.hero h1 { font-size: 36px; max-width: 760px; margin: 0 auto 12px; }
.lead { font-size: 17px; color: var(--muted); max-width: 640px; margin: 0 auto 24px; }
.actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; margin-bottom: 12px; }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }

.card { padding: 18px 20px; border-radius: 12px; background: var(--panel); border: 1px solid var(--line); margin-bottom: 16px; }
.card p { margin: 0 0 6px; }

.form-card { max-width: 460px; margin: 0 auto; }
.form { display: grid; gap: 14px; margin: 20px 0; }
.form label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.form input {
  padding: 10px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--field); color: var(--text); font: inherit;
}
.form input:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.error { padding: 10px 14px; border-radius: 8px; background: var(--danger-bg); border: 1px solid var(--danger); }

.account .download { display: flex; justify-content: space-between; align-items: center; gap: 20px; margin-top: 24px; }
.notes { white-space: pre-line; }
.devices { width: 100%; border-collapse: collapse; font-size: 14px; }
.devices th { text-align: left; color: var(--muted); font-weight: 600; font-size: 13px; padding: 6px 8px; }
.devices td { padding: 8px; border-top: 1px solid var(--line); }
.devices .act { text-align: right; }

@media (max-width: 600px) {
  .hero h1 { font-size: 28px; }
  .row2 { grid-template-columns: 1fr; }
  .account .download { flex-direction: column; align-items: flex-start; }
}

/* ---------- conta aguardando e área de admin ---------- */
.card.pending { margin-top: 24px; border-color: #d97706; background: rgba(251, 191, 36, .08); }
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin: 20px 0; }
.stat { padding: 12px 14px; border-radius: 10px; background: var(--panel); border: 1px solid var(--line); }
.stat span { display: block; color: var(--muted); font-size: 12px; }
.stat b { font-size: 24px; font-variant-numeric: tabular-nums; }
.stat.warn { border-color: #d97706; }
.table-card { padding: 4px 8px; overflow-x: auto; }
.users { width: 100%; border-collapse: collapse; font-size: 14px; }
.users th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; padding: 10px 8px; }
.users td { padding: 10px 8px; border-top: 1px solid var(--line); vertical-align: top; }
.users tr.off { opacity: .55; }
.users .act { text-align: right; white-space: nowrap; }
.users .act form { display: inline-block; margin-left: 8px; }
.tag { display: inline-block; font-size: 11px; padding: 1px 8px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); }
.tag.ok { color: #34d399; border-color: rgba(52, 211, 153, .45); }
.tag.warn { color: #fbbf24; border-color: rgba(251, 191, 36, .5); }
.tag.off { color: var(--danger); border-color: var(--danger); }
@media (max-width: 700px) { .stats { grid-template-columns: repeat(2, minmax(0, 1fr)); } }