:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --ink: #1a1d21;
  --muted: #6b7280;
  --line: #e5e7eb;
  --brand: #0f766e;
  --brand-soft: #d7f0ec;
  --pos: #0f766e;
  --neg: #b91c1c;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1013; --card: #191c20; --ink: #e8eaed; --muted: #9aa0a6;
    --line: #2a2e33; --brand: #2dd4bf; --brand-soft: #123b37;
    --pos: #2dd4bf; --neg: #f87171;
    --shadow: 0 1px 3px rgba(0,0,0,.4);
  }
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--ink); line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

/* porta de entrada */
.gate { position: fixed; inset: 0; display: grid; place-items: center; padding: 24px; background: var(--bg); z-index: 50; }
.gate-card { background: var(--card); padding: 28px; border-radius: 18px; box-shadow: var(--shadow); max-width: 340px; width: 100%; text-align: center; }
.gate-card h1 { font-size: 1.4rem; margin-bottom: 8px; }
.gate-card p { color: var(--muted); margin-bottom: 16px; }
.gate-card input { width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 12px; margin-bottom: 12px; background: var(--bg); color: var(--ink); font-size: 1rem; }
.gate-card button { width: 100%; padding: 12px; border: 0; border-radius: 12px; background: var(--brand); color: #fff; font-weight: 600; font-size: 1rem; cursor: pointer; }

/* app */
.app { max-width: 560px; margin: 0 auto; padding: 16px 16px 88px; }
.tab h2 { font-size: 1.05rem; margin: 20px 0 10px; }
.tab:first-child h2:first-of-type { margin-top: 24px; }

/* placar */
.balance-card { background: var(--card); border-radius: 20px; padding: 24px; box-shadow: var(--shadow); text-align: center; }
.balance-card.small { padding: 16px; margin-bottom: 8px; }
.balance-label { color: var(--muted); font-size: .9rem; }
.balance-value { font-size: 2.4rem; font-weight: 700; margin: 6px 0; letter-spacing: -.02em; }
.balance-value.pos { color: var(--pos); }
.balance-value.neg { color: var(--neg); }
.balance-value.zero { color: var(--ink); }
.balance-sub { color: var(--muted); font-size: .85rem; }

.month-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-top: 12px; }
.month-item { background: var(--card); border-radius: 14px; padding: 12px 8px; text-align: center; box-shadow: var(--shadow); }
.month-item span { display: block; font-weight: 700; font-size: 1rem; }
.month-item label { color: var(--muted); font-size: .72rem; }

/* listas */
.list { display: flex; flex-direction: column; gap: 8px; }
.row { background: var(--card); border-radius: 14px; padding: 12px 14px; box-shadow: var(--shadow); display: flex; align-items: center; gap: 12px; }
.row .main { flex: 1; min-width: 0; }
.row .desc { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row .meta { color: var(--muted); font-size: .78rem; margin-top: 2px; }
.row .amount { font-weight: 700; white-space: nowrap; }
.row .del { background: none; border: 0; color: var(--muted); font-size: 1.1rem; cursor: pointer; padding: 4px; }
.tag { display: inline-block; font-size: .68rem; padding: 1px 7px; border-radius: 999px; background: var(--brand-soft); color: var(--brand); font-weight: 600; }
.empty { color: var(--muted); text-align: center; padding: 24px; font-size: .9rem; }

/* formulários */
.form { display: flex; flex-direction: column; gap: 14px; }
.form label { display: flex; flex-direction: column; gap: 6px; font-size: .82rem; color: var(--muted); font-weight: 600; }
.form input, .form select { padding: 12px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); font-size: 1rem; }
.field-label { font-size: .82rem; color: var(--muted); font-weight: 600; }
.toggle { display: flex; gap: 8px; }
.toggle.wrap { flex-wrap: wrap; }
.toggle button { flex: 1; min-width: fit-content; padding: 11px 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); color: var(--ink); font-size: .9rem; cursor: pointer; font-weight: 500; }
.toggle button.on { background: var(--brand); color: #fff; border-color: var(--brand); }
button.primary { padding: 14px; border: 0; border-radius: 14px; background: var(--brand); color: #fff; font-weight: 700; font-size: 1rem; cursor: pointer; margin-top: 4px; }
.hint { color: var(--muted); font-size: .85rem; margin-bottom: 14px; }

/* importação */
.warnings { color: var(--neg); font-size: .82rem; margin: 10px 0; }
.warnings div { margin-bottom: 4px; }
.imp-row { background: var(--card); border-radius: 14px; padding: 12px 14px; box-shadow: var(--shadow); }
.imp-row.credit { opacity: .5; }
.imp-top { display: flex; align-items: center; gap: 10px; }
.imp-top input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--brand); }
.imp-top .main { flex: 1; min-width: 0; }
.imp-splits { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.imp-splits button { flex: 1; padding: 8px 6px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--ink); font-size: .78rem; cursor: pointer; }
.imp-splits button.on { background: var(--brand); color: #fff; border-color: var(--brand); }
#import-actions { position: sticky; bottom: 80px; padding-top: 12px; }

/* navegação */
.nav { position: fixed; bottom: 0; left: 0; right: 0; background: var(--card); border-top: 1px solid var(--line); display: flex; padding: 6px 4px calc(6px + env(safe-area-inset-bottom)); z-index: 20; }
.nav button { flex: 1; background: none; border: 0; color: var(--muted); font-size: 1.3rem; display: flex; flex-direction: column; align-items: center; gap: 2px; cursor: pointer; padding: 4px; }
.nav button span { font-size: .68rem; }
.nav button.on { color: var(--brand); }

/* toast */
.toast { position: fixed; bottom: 92px; left: 50%; transform: translateX(-50%); background: var(--ink); color: var(--bg); padding: 10px 18px; border-radius: 999px; font-size: .88rem; z-index: 40; box-shadow: var(--shadow); }
.error { color: var(--neg); font-size: .82rem; }