:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --border: #e4e6ea;
  --border-strong: #d4d7dd;
  --ink: #1b1f24;
  --ink-2: #5b6470;
  --ink-3: #8a929e;
  --accent: #2b5cab;
  --accent-soft: #eef3fb;
  --pos: #138a52;
  --warn: #b4690e;
  --neg: #c0392b;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(20, 25, 33, 0.04), 0 1px 3px rgba(20, 25, 33, 0.05);
  font-synthesis: none;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ===== Login ===== */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 360px;
  padding: 32px 28px;
}
.login-card h1 { font-size: 18px; margin: 0 0 4px; letter-spacing: -0.01em; }
.login-card .sub { color: var(--ink-2); font-size: 13px; margin: 0 0 22px; }

label { display: block; font-size: 12px; color: var(--ink-2); margin: 14px 0 6px; font-weight: 500; }
input[type=text], input[type=email], input[type=password] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-size: 14px;
  color: var(--ink);
  background: #fff;
}
input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.btn {
  display: inline-flex; align-items: center; gap: 8px; justify-content: center;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-size: 13px; font-weight: 600;
  padding: 9px 16px; border-radius: 8px;
  cursor: pointer; transition: filter .12s;
}
.btn:hover { filter: brightness(1.06); }
.btn:disabled { opacity: .55; cursor: default; }
.btn.ghost { background: #fff; color: var(--ink); border-color: var(--border-strong); }
.btn.ghost:hover { background: var(--bg); filter: none; }
.btn.full { width: 100%; margin-top: 22px; }

.erro { color: var(--neg); font-size: 12.5px; margin-top: 12px; min-height: 16px; }

/* ===== App shell ===== */
.topbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  height: 56px;
  display: flex; align-items: center; gap: 16px;
  padding: 0 22px;
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 700; letter-spacing: -0.01em; font-size: 15px; }
.brand .tag { color: var(--ink-3); font-weight: 500; margin-left: 8px; font-size: 12px; }
.topbar .spacer { flex: 1; }
.sync-meta { font-size: 12px; color: var(--ink-2); text-align: right; }
.sync-meta b { color: var(--ink); font-weight: 600; }

.tabs {
  display: flex; gap: 2px;
  padding: 0 18px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 56px; z-index: 19;
}
.tab {
  background: none; border: none; cursor: pointer;
  padding: 13px 16px; font-size: 13.5px; color: var(--ink-2); font-weight: 500;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

.content { max-width: 1180px; margin: 0 auto; padding: 26px 22px 60px; }

/* fluxo das 4 perguntas */
.flow { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 22px; }
.flow .step { font-size: 12px; color: var(--ink-2); background: var(--surface); border: 1px solid var(--border); border-radius: 999px; padding: 5px 12px; }
.flow .step b { color: var(--ink); }
.flow .arrow { color: var(--ink-3); align-self: center; }

/* cards de KPI */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px 18px; box-shadow: var(--shadow); }
.kpi .lbl { font-size: 12px; color: var(--ink-2); margin-bottom: 6px; }
.kpi .val { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.kpi .hint { font-size: 11.5px; color: var(--ink-3); margin-top: 4px; }

.section-title { font-size: 15px; font-weight: 700; margin: 28px 0 12px; letter-spacing: -0.01em; }
.section-title:first-child { margin-top: 0; }
.section-sub { font-size: 12.5px; color: var(--ink-2); margin: -6px 0 14px; }

/* tabelas */
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: right; padding: 11px 14px; font-variant-numeric: tabular-nums; white-space: nowrap; }
th:first-child, td:first-child { text-align: left; white-space: normal; }
thead th { font-size: 11.5px; text-transform: uppercase; letter-spacing: .03em; color: var(--ink-2); font-weight: 600; background: #fafbfc; border-bottom: 1px solid var(--border); }
tbody td { border-bottom: 1px solid var(--border); font-size: 13.5px; }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #fafbfc; }
.name { font-weight: 600; color: var(--ink); }
.muted { color: var(--ink-3); }
.rank { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; background: var(--accent-soft); color: var(--accent); font-size: 12px; font-weight: 700; margin-right: 8px; }

.thumb { width: 44px; height: 44px; border-radius: 6px; object-fit: cover; border: 1px solid var(--border); background: var(--bg); }
.creative-cell { display: flex; align-items: center; gap: 12px; }

/* estado vazio */
.empty { text-align: center; padding: 54px 24px; color: var(--ink-2); }
.empty h3 { color: var(--ink); font-size: 15px; margin: 0 0 8px; }
.empty p { margin: 0 auto; max-width: 460px; font-size: 13px; }

.badge { font-size: 11px; padding: 2px 7px; border-radius: 5px; font-weight: 600; }
.badge.ok { background: #e7f5ee; color: var(--pos); }
.badge.run { background: var(--accent-soft); color: var(--accent); }
.badge.err { background: #fdecea; color: var(--neg); }

.foot-runs { margin-top: 30px; font-size: 12px; color: var(--ink-2); }
.foot-runs table td, .foot-runs table th { padding: 7px 12px; }

.spin { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.loading { padding: 50px; text-align: center; color: var(--ink-3); }

/* card de resposta da IA */
.ai-card { padding: 22px 26px; line-height: 1.6; }
.ai-card h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .03em; color: var(--accent); margin: 18px 0 6px; }
.ai-card h4:first-child { margin-top: 0; }
.ai-card p { margin: 8px 0; color: var(--ink); }
.ai-card ul { margin: 6px 0 12px; padding-left: 20px; }
.ai-card li { margin: 4px 0; }
.ai-card strong { color: var(--ink); font-weight: 650; }