:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface2: #22263a;
  --border: #2e3248;
  --text: #e8eaf6;
  --text-dim: #8892b0;
  --accent: #4f8ef7;
  --accent-hover: #3a7ae0;
  --green: #4caf82;
  --yellow: #f5c842;
  --orange: #f5823a;
  --red: #e05050;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  min-height: 100vh;
}

/* NAV */
nav {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  text-decoration: none;
  margin-right: auto;
}

nav a {
  color: var(--text-dim);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color 0.15s;
}

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

nav .user-chip {
  background: var(--surface2);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
  color: var(--text-dim);
}

/* LAYOUT */
main {
  max-width: 900px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

h1 { font-size: 1.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 1.1rem; margin-bottom: 1rem; color: var(--text-dim); font-weight: 600; }

/* CARDS */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

/* MATCH CARD */
.match-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 0.75rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.match-card .team { font-weight: 600; font-size: 0.95rem; }
.match-card .team.home { text-align: right; }
.match-card .team.away { text-align: left; }

.match-card .score-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  min-width: 120px;
}

.match-card .result {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 2px;
}

.match-card .kickoff {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* TIP INPUT */
.tip-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 6px;
}

.tip-row input {
  width: 44px;
  text-align: center;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 1rem;
  padding: 4px 6px;
}

.tip-row input:focus {
  outline: none;
  border-color: var(--accent);
}

.tip-row .sep { color: var(--text-dim); font-size: 1.1rem; }

.tip-row button {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 5px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  transition: background 0.15s;
}

.tip-row button:hover { background: var(--accent-hover); }
.tip-row button:disabled { background: var(--border); cursor: default; }

/* POINTS BADGE */
.pts {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.85rem;
}
.pts-4 { background: #1b3d2f; color: var(--green); }
.pts-2 { background: #3d3310; color: var(--yellow); }
.pts-1 { background: #3d2210; color: var(--orange); }
.pts-0 { background: #3d1010; color: var(--red); }
.pts-none { background: var(--surface2); color: var(--text-dim); }

/* ALL-TIPS TABLE */
.all-tips {
  margin-top: 8px;
  font-size: 0.82rem;
  color: var(--text-dim);
}
.all-tips span { margin-right: 10px; white-space: nowrap; }
.all-tips .tip-val { color: var(--text); font-weight: 600; }

/* LEADERBOARD */
.leaderboard table {
  width: 100%;
  border-collapse: collapse;
}
.leaderboard th {
  text-align: left;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-dim);
  font-weight: 600;
}
.leaderboard td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--border);
}
.leaderboard tr:last-child td { border-bottom: none; }
.leaderboard .rank { color: var(--text-dim); font-size: 0.9rem; }
.leaderboard .rank-1 { color: #f5c842; font-weight: 700; }
.leaderboard .rank-2 { color: #b0b8c8; font-weight: 700; }
.leaderboard .rank-3 { color: #cd7f32; font-weight: 700; }
.leaderboard .pts-total { font-weight: 700; font-size: 1.1rem; color: var(--accent); }

/* MATCHDAY NAV */
.matchday-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 1.5rem;
}
.matchday-nav button {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
}
.matchday-nav button:hover { border-color: var(--accent); }
.matchday-nav button:disabled { opacity: 0.3; cursor: default; }
.matchday-nav .day-label { font-weight: 600; flex: 1; text-align: center; }

/* TABS */
.tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0;
}
.tabs button {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--text-dim);
  padding: 8px 16px;
  cursor: pointer;
  font-size: 0.9rem;
  margin-bottom: -1px;
  transition: all 0.15s;
}
.tabs button.active {
  color: var(--text);
  border-bottom-color: var(--accent);
}

/* FORMS */
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; font-size: 0.85rem; color: var(--text-dim); margin-bottom: 4px; }
.form-group input, .form-group select {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 8px 12px;
  font-size: 0.95rem;
}
.form-group input:focus, .form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 9px 20px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: background 0.15s;
}
.btn:hover { background: var(--accent-hover); }
.btn-sm { padding: 5px 12px; font-size: 0.82rem; }
.btn-danger { background: var(--red); }
.btn-secondary {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
}

/* CHART */
#stats-chart { width: 100%; height: 300px; }

/* LOGIN PAGE */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
}
.login-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
}
.login-box h1 { font-size: 1.4rem; margin-bottom: 0.4rem; }
.login-box p { color: var(--text-dim); font-size: 0.9rem; margin-bottom: 1.5rem; }
.login-box input {
  width: 100%;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  padding: 10px 14px;
  font-size: 1rem;
  margin-bottom: 0.75rem;
}
.login-box input:focus { outline: none; border-color: var(--accent); }
.login-box button {
  width: 100%;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 11px;
  font-size: 1rem;
  cursor: pointer;
  margin-top: 0.5rem;
}
.login-box .error {
  background: #3d1010;
  border: 1px solid var(--red);
  color: var(--red);
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

/* ADMIN TABLE */
.admin-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.admin-table th { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); color: var(--text-dim); font-size: 0.82rem; }
.admin-table td { padding: 8px; border-bottom: 1px solid var(--border); }
.admin-table tr:last-child td { border-bottom: none; }

/* UTILS */
.text-dim { color: var(--text-dim); }
.text-accent { color: var(--accent); }
.flex { display: flex; }
.gap-1 { gap: 0.5rem; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.closed-badge {
  font-size: 0.75rem;
  color: var(--text-dim);
  background: var(--surface2);
  border-radius: 4px;
  padding: 2px 6px;
}
.open-badge {
  font-size: 0.75rem;
  color: var(--green);
  background: #1b3d2f;
  border-radius: 4px;
  padding: 2px 6px;
}

@media (max-width: 600px) {
  .match-card { grid-template-columns: 1fr; text-align: center; }
  .match-card .team.home, .match-card .team.away { text-align: center; }
  nav { gap: 1rem; }
  nav a { font-size: 0.8rem; }
}