@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg-0: #0d0d0d; --bg-1: #161616; --bg-2: #1e1e1e; --bg-3: #262626;
  --border: #2d2d2d; --border-strong: #3a3a3a;
  --text: #e8e8e8; --text-dim: #9a9a9a; --text-faint: #6a6a6a;
  --accent: #d97757; --accent-hover: #e08560;
  --success: #6ec07d; --error: #e06c75; --warn: #e5c07b;
  --sans: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'JetBrains Mono', 'SF Mono', Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg-0); color: var(--text);
  font-family: var(--sans); font-size: 15px; line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }
code { font-family: var(--mono); }

.wrap { max-width: 980px; margin: 0 auto; padding: 0 24px; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 0; border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 5px; color: var(--text); }
.logo-icon {
  display: inline-block; width: 28px; height: 28px; flex-shrink: 0;
  background-color: #fff;
  -webkit-mask: var(--icon) center / contain no-repeat;
  mask: var(--icon) center / contain no-repeat;
}
.logo-text { font-family: var(--sans); font-weight: 600; font-size: 21px; letter-spacing: -0.03em; line-height: 1; }
.nav-links { display: flex; gap: 16px; align-items: center; font-size: 14px; }
.lang-switch { display: inline-flex; gap: 4px; }
.lang-opt { font-size: 12px; padding: 3px 7px; border-radius: 6px; color: var(--text-dim); }
.lang-opt:hover { background: var(--bg-2); color: var(--text); }
.lang-opt.active { background: var(--bg-3); color: var(--text); }

/* planos / billing */
.plans { display: flex; gap: 16px; flex-wrap: wrap; margin-top: 8px; }
.plan-card {
  flex: 1; min-width: 220px; background: var(--bg-0); border: 1px solid var(--border);
  border-radius: 12px; padding: 22px; text-align: center; position: relative;
}
.plan-card.featured { border-color: var(--accent); }
.plan-tag { position: absolute; top: -10px; left: 50%; transform: translateX(-50%);
  background: var(--accent); color: #fff; font-size: 11px; padding: 2px 10px; border-radius: 999px; font-weight: 600; }
.plan-price { font-size: 34px; font-weight: 700; letter-spacing: -0.03em; margin: 6px 0; }
.plan-price small { font-size: 15px; color: var(--text-dim); font-weight: 400; }
.plan-period { color: var(--text-dim); font-size: 13px; margin-bottom: 16px; }

.hero { text-align: center; padding: 72px 0 48px; }
.hero h1 { font-size: 44px; font-weight: 700; letter-spacing: -0.04em; margin: 0 0 14px; }
.hero p { font-size: 18px; color: var(--text-dim); max-width: 620px; margin: 0 auto 32px; }

.btn {
  display: inline-flex; align-items: center; gap: 8px; cursor: pointer;
  font-family: var(--sans); font-size: 15px; font-weight: 500;
  padding: 11px 20px; border-radius: 9px; border: 1px solid transparent;
  transition: background .15s, border-color .15s, color .15s;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); color: #fff; }
.btn-ghost { background: var(--bg-2); color: var(--text); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-3); border-color: var(--border-strong); }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.downloads { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.dl-card {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: 12px;
  padding: 20px 24px; min-width: 180px; text-align: center;
}
.dl-card .os { font-weight: 600; font-size: 16px; margin-bottom: 4px; }
.dl-card .meta { font-size: 12px; color: var(--text-faint); margin-bottom: 12px; font-family: var(--mono); }
.dl-soon { color: var(--text-faint); font-size: 13px; padding: 11px; }

.card {
  background: var(--bg-1); border: 1px solid var(--border); border-radius: 14px;
  padding: 26px; margin: 22px 0;
}
.card h2 { margin: 0 0 4px; font-size: 19px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.card h2 + .muted { margin-top: 14px; margin-bottom: 18px; }
/* layout 2 colunas pros campos compactos */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
@media (max-width: 560px) { .grid-2 { grid-template-columns: 1fr; } }
/* campo com switch (checkbox + label inline) */
.switch-field { display: flex; align-items: center; gap: 10px; }
.switch-field input { width: auto; }
.switch-field span { margin: 0; font-size: 14px; color: var(--text); }
.badge.ok { background: rgba(110,192,125,.15); color: var(--success); }
.badge.warn { background: rgba(229,192,123,.15); color: var(--warn); }
/* IA: saldo + recarga + log */
.ai-balance-row { display: flex; align-items: center; gap: 18px; margin-bottom: 16px; }
.ai-balance-label { font-size: 13px; color: var(--text-dim); }
.ai-balance-val { font-size: 30px; font-weight: 700; color: var(--success); line-height: 1.1; }
.ai-balance-val.zero { color: var(--error); }
.ai-topup { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.ai-topup .btn { padding: 7px 12px; }
.ai-log { border-top: 1px solid var(--border); padding-top: 12px; }
.ai-log-head { font-size: 12px; color: var(--text-dim); margin-bottom: 8px; text-transform: uppercase; letter-spacing: .04em; }
.ai-log-row { display: flex; align-items: center; gap: 12px; padding: 6px 0; font-size: 12.5px; border-bottom: 1px solid var(--border); }
.ai-log-row:last-child { border-bottom: none; }
.ai-log-model { font-family: var(--mono); color: var(--accent); min-width: 120px; }
.ai-log-row > span:last-child { margin-left: auto; }
.auth-card { max-width: 420px; margin: 56px auto; }
.field { display: block; margin-bottom: 16px; }
.field span { display: block; font-size: 13px; color: var(--text-dim); margin-bottom: 6px; }
.field input, .field select {
  width: 100%; padding: 11px 13px; border-radius: 9px;
  background: var(--bg-0); border: 1px solid var(--border); color: var(--text);
  font-family: var(--sans); font-size: 15px;
}
.field input:focus { outline: none; border-color: var(--accent); }
.alert { padding: 11px 14px; border-radius: 9px; font-size: 14px; margin-bottom: 16px; }
.alert-error { background: rgba(224,108,117,.12); color: var(--error); border: 1px solid rgba(224,108,117,.3); }
.alert-ok { background: rgba(110,192,125,.12); color: var(--success); border: 1px solid rgba(110,192,125,.3); }
.muted { color: var(--text-dim); font-size: 14px; }

.kv { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); }
.kv:last-child { border-bottom: none; }
.kv .k { color: var(--text-dim); }
.license-key {
  font-family: var(--mono); font-size: 18px; letter-spacing: 1px;
  background: var(--bg-0); border: 1px dashed var(--border-strong);
  padding: 14px; border-radius: 10px; text-align: center; user-select: all; margin: 8px 0 4px;
}
.usage-bar { height: 10px; background: var(--bg-3); border-radius: 6px; overflow: hidden; margin-top: 8px; }
.usage-bar > div { height: 100%; background: var(--accent); }
.footer { text-align: center; color: var(--text-faint); font-size: 13px; padding: 40px 0 28px; }
.badge { font-size: 11px; background: var(--bg-3); color: var(--text-dim); padding: 2px 8px; border-radius: 6px; font-family: var(--mono); }