:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --border: #dfe2e8;
  --text: #1b1f27;
  --text-muted: #62687a;
  --accent: #0b4fa0;
  --accent-dark: #073a78;
  --success: #1a7f4e;
  --success-bg: #e6f5ee;
  --danger: #b3261e;
  --danger-bg: #fbeceb;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.topbar {
  background: var(--accent-dark);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.topbar a {
  color: #fff;
  text-decoration: none;
  margin-left: 16px;
  font-size: 14px;
  opacity: .9;
}
.topbar a:hover { opacity: 1; text-decoration: underline; }

.topbar .brand { font-weight: 600; font-size: 17px; }

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

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 20px;
}

h1 { font-size: 22px; font-weight: 600; margin: 0 0 4px; }
h2 { font-size: 18px; font-weight: 600; margin: 0 0 12px; }
p.muted, .muted { color: var(--text-muted); font-size: 14px; }

.login-wrap {
  max-width: 380px;
  margin: 80px auto;
}

label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--text-muted); }
input[type=text], input[type=password] {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 15px;
  margin-bottom: 16px;
}
input[type=text]:focus, input[type=password]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(11,79,160,0.15);
}

button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
button:hover, .btn:hover { background: var(--accent-dark); }
.btn-secondary { background: #fff; color: var(--accent); border: 1px solid var(--accent); }
.btn-secondary:hover { background: #eef4fb; }

.error-box {
  background: var(--danger-bg);
  color: var(--danger);
  border: 1px solid #f1c3c0;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}
.success-box {
  background: var(--success-bg);
  color: var(--success);
  border: 1px solid #b9e3cc;
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 14px;
  margin-bottom: 16px;
}

.week-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.week-nav a {
  padding: 6px 12px;
  border-radius: 20px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--text);
  font-size: 13px;
  background: #fff;
}
.week-nav a.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.week-nav a.done { border-color: var(--success); color: var(--success); }

.game-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  flex-wrap: wrap;
}
.game-row:last-child { border-bottom: none; }

.matchup { font-weight: 500; flex: 1 1 260px; min-width: 220px; }
.matchup .vs { color: var(--text-muted); font-weight: 400; margin: 0 6px; }

.pick-options {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.pick-options label {
  margin: 0;
  font-weight: 500;
  font-size: 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 14px;
  cursor: pointer;
  color: var(--text);
  background: #fafbfc;
}
.pick-options input[type=radio] { margin-right: 6px; }
.pick-options input[type=radio]:checked + span,
.pick-options label:has(input:checked) {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 12px;
}
.badge-correct { background: var(--success-bg); color: var(--success); }
.badge-wrong { background: var(--danger-bg); color: var(--danger); }
.badge-pending { background: #eef1f5; color: var(--text-muted); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; }
tr.me { background: #eef4fb; }
td.rank { font-weight: 700; width: 40px; }
td.points { font-weight: 700; color: var(--accent); }

.result-select select {
  padding: 6px 8px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

footer.note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 24px;
  text-align: center;
}