:root {
  --bg: #f4f6f8;
  --card-bg: #ffffff;
  --accent: #2f6f4f;
  --accent-dark: #234f38;
  --text: #1f2933;
  --muted: #6b7785;
  --danger: #c0453a;
  --good: #2f8f5b;
  --border: #d3d9de;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent-dark); }

.topnav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
  flex-wrap: wrap;
  gap: 10px;
}
.topnav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  text-decoration: none;
  color: var(--accent-dark);
}
.topnav nav {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 0.92rem;
}
.topnav nav a { text-decoration: none; }
.topnav nav a:hover { text-decoration: underline; }
.user-chip {
  background: #e4f0e9;
  color: var(--accent-dark);
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.82rem;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 20px 16px 60px;
}

h1 { font-size: 1.4rem; }
h2 { font-size: 1.15rem; }

.flash {
  padding: 10px 14px;
  border-radius: 8px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}
.flash-info { background: #e4f0e9; color: var(--accent-dark); }
.flash-error { background: #fbe9e7; color: var(--danger); }

.card {
  background: var(--card-bg);
  border-radius: 14px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
  padding: 20px;
  margin-bottom: 16px;
}

.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 0.88rem; margin-bottom: 4px; color: var(--muted); }
.form-row input[type=text],
.form-row input[type=password],
.form-row input[type=number],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
}
.form-row textarea { min-height: 90px; }

.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 8px;
  border: none;
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-dark); }
.btn-danger { background: var(--danger); color: white; }
.btn-secondary { background: none; border: 1px solid var(--border); color: var(--text); }
.btn-good { background: var(--good); color: white; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; }

.tag {
  display: inline-block;
  font-size: 0.72rem;
  color: var(--accent-dark);
  background: #e4f0e9;
  padding: 2px 9px;
  border-radius: 999px;
}

.muted { color: var(--muted); font-size: 0.85rem; }

.answer-box {
  background: #f7faf8;
  border-left: 3px solid var(--accent);
  padding: 12px 14px;
  border-radius: 8px;
  margin: 14px 0;
  line-height: 1.6;
}
.answer-box img { max-width: 100%; border-radius: 6px; margin-top: 8px; border: 1px solid var(--border); }

.slot-row, .pool-row { display: flex; gap: 8px; margin-bottom: 8px; align-items: center; }
.slot-row input, .pool-row input { flex: 1; }
.remove-row { background: none; border: none; color: var(--danger); cursor: pointer; font-size: 1.1rem; }

.progress-line { font-size: 0.82rem; color: var(--muted); margin-bottom: 10px; }

.bar-bg { background: #e6e9eb; border-radius: 6px; height: 10px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--accent); }
.stat-row { margin-bottom: 14px; }
.stat-row .label { display: flex; justify-content: space-between; font-size: 0.9rem; margin-bottom: 4px; }

.login-wrap {
  max-width: 360px;
  margin: 60px auto;
  padding: 0 16px;
}

@media (max-width: 480px) {
  .page { padding: 14px 10px 50px; }
  .topnav { padding: 10px; }
}