:root {
  --bg: #0f1115;
  --card: #171a21;
  --border: #2a2e37;
  --text: #e8e9ec;
  --muted: #9aa0ac;
  --accent: #4f8cff;
  --danger: #ff5c5c;
  --ok: #3ecf8e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

header.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
}

header.topbar nav a {
  color: var(--muted);
  text-decoration: none;
  margin-right: 16px;
  font-size: 14px;
}

header.topbar nav a.active,
header.topbar nav a:hover {
  color: var(--text);
}

h1 { font-size: 22px; margin: 0 0 16px; }
h2 { font-size: 16px; color: var(--muted); font-weight: 600; margin: 0 0 8px; }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
  margin-bottom: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}

.card .value { font-size: 24px; font-weight: 700; margin-top: 4px; }
.card .value.ok { color: var(--ok); }
.card .value.danger { color: var(--danger); }

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
}

th { color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
  background: #2a2e37;
  color: var(--muted);
}
.badge.pago { background: rgba(62,207,142,.15); color: var(--ok); }
.badge.pendente { background: rgba(255,92,92,.15); color: var(--danger); }

form.inline { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin-bottom: 20px; }
form.inline label { display: flex; flex-direction: column; font-size: 12px; color: var(--muted); gap: 4px; }

input, select, button {
  font-family: inherit;
  font-size: 14px;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #10131a;
  color: var(--text);
}

button {
  background: var(--accent);
  border: none;
  color: #fff;
  cursor: pointer;
  font-weight: 600;
}
button:hover { opacity: .9; }
button.danger { background: var(--danger); }
button.secondary { background: transparent; border: 1px solid var(--border); color: var(--text); }
button.ok { background: rgba(62,207,142,.15); color: var(--ok); }
button.ok:hover { background: var(--ok); color: #0f1115; }

a.btn-link {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--text);
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
}
a.btn-link:hover { background: #1b1f27; }

.actions { display: flex; gap: 6px; align-items: center; }
.actions form { display: inline; }
.actions a { color: var(--muted); text-decoration: none; }
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  padding: 0;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #10131a;
  color: var(--muted);
  font-weight: 700;
  text-decoration: none;
}
.icon-btn:hover { color: var(--text); background: #1b1f27; }
.icon-btn.danger { color: var(--danger); background: rgba(255,92,92,.12); border-color: transparent; }
.icon-btn.danger:hover { background: var(--danger); color: #fff; }
.icon-btn.ok { color: var(--ok); background: rgba(62,207,142,.12); border-color: transparent; }
.icon-btn.ok:hover { background: var(--ok); color: #0f1115; }

.toolbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.muted { color: var(--muted); font-size: 12px; }
.section { margin-bottom: 24px; }

dialog {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 22px;
  width: 360px;
  max-width: 90vw;
}
dialog::backdrop { background: rgba(0,0,0,.6); }
dialog input { width: 100%; }

.login-box {
  max-width: 320px;
  margin: 80px auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
}
.login-box h1 { text-align: center; }
.login-box form { display: flex; flex-direction: column; gap: 12px; }

.error { color: var(--danger); font-size: 13px; margin-top: 8px; }

.month-nav { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.month-nav a { color: var(--muted); text-decoration: none; font-size: 20px; }
.month-nav strong { font-size: 16px; }
.month-nav select { margin-left: auto; }