/* =======================
   Global dark theme tokens
   ======================= */
   :root{
    --bg: #0b0e14;       /* page background */
    --card: #10131a;     /* card background */
    --text: #e8eefc;     /* primary text */
    --muted: rgba(232,238,252,.75);
    --border: rgba(255,255,255,.10);
    --border-strong: rgba(255,255,255,.18);
    --accent: steelblue;
    --accent-2: #d62828; /* red for emphasis/buttons */
    --shadow: 0 6px 18px rgba(0,0,0,.25);
    --radius: 12px;
    --space: 16px;
    --team1-colour: rgba(70,130,180,0.35);
    --team2-colour: rgba(255,0,0,0.35);
  }
  
  /* Reset-ish */
  * { box-sizing: border-box; }
  html, body { height: 100%; }
  body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.45;
  }
  a { color: var(--text); text-decoration: none; }
  img { max-width: 100%; display: block; }
  
  /* =======================
     Top navigation
     ======================= */
  .topnav {
    position: sticky; top: 0; z-index: 1000;
    display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    backdrop-filter: saturate(1.2) blur(6px);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
  }
  .topnav .brand {
    font-weight: 700; letter-spacing: .2px; margin-right: 4px;
    padding: 6px 10px; border-radius: 8px; color: var(--text);
  }
  .topnav a {
    color: var(--text);
    padding: 6px 10px; border-radius: 8px; opacity: .92;
    transition: background .15s ease, opacity .15s ease, transform .1s ease;
  }
  .topnav a:hover { background: rgba(255,255,255,.06); opacity: 1; }
  .topnav a.active { background: rgba(70,130,180,.22); }
  
  /* =======================
     Page layout
     ======================= */
  .page-wrap { padding: 16px; margin: 0 auto; max-width: 2000px; }
  @media (min-width: 900px) { .page-wrap { padding: 24px; } }
  
  /* Cards */
  .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: var(--space);
  }
  
  /* Buttons (neutral by default, flash red on hover) */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 12px;
    border-radius: 8px;                  /* match entry look */
    background: var(--card);             /* neutral like old entry page */
    color: var(--text);
    border: 1px solid var(--border-strong);
    cursor: pointer;
    transition:
      background .18s ease,
      border-color .18s ease,
      color .18s ease,
      transform .15s ease,
      box-shadow .15s ease,
      filter .12s ease;
  }

  .btn:hover {
    background: var(--accent-2);         /* highlight red */
    border-color: #b32626;               /* subtle red border */
    color: #fff;                         /* readable on red */
    transform: translateY(-1px);
    box-shadow: 0 10px 25px rgba(214,40,40,.35);
    filter: brightness(1.02);
  }

  /* Optional: focus ring for keyboard users */
  .btn:focus {
    outline: none;
    box-shadow:
      0 0 0 2px rgba(214,40,40,0.35),
      0 0 0 4px rgba(214,40,40,0.18);
  }

  /* If you still use a "primary" variant anywhere */
  .btn-primary {
    background: var(--accent-2);
    color: #fff;
    border: 1px solid #b32626;
  }
  .btn-primary:hover { filter: brightness(1.05); transform: translateY(-1px); }

  
  /* Inputs */
  select,
  input[type="text"],
  input[type="number"],
  input[type="email"],
  input[type="password"]{
    width: 100%; padding: 10px 12px;
    border-radius: 8px; border: 1px solid var(--border);
    background: #0b0e14; color: var(--text); font-size: 15px;
  }
  label { display: block; margin: 0 0 6px; opacity: .9; }
  
  /* Tables */
  .data-table {
    width: 100%; border-collapse: collapse;
    background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
    overflow: hidden;
  }
  .data-table thead th {
    text-align: left; padding: 10px 12px;
    border-bottom: 1px solid var(--border-strong);
    font-weight: 600; white-space: nowrap;
  }
  .data-table tbody td {
    padding: 10px 12px; border-top: 1px solid var(--border);
    vertical-align: middle;
  }
  .data-table tr:hover td { background: rgba(255,255,255,.03); }
  
  /* Utilities */
  .muted { color: var(--muted); }
  .space-y > * + * { margin-top: var(--space); }
  .space-x > * + * { margin-left: var(--space); }
  
  /* Flash messages */
  .flash {
    border: 1px solid var(--border-strong);
    background: #0f1219;
    padding: 10px 12px; border-radius: 10px;
  }
  
  /* Legacy back button hidden (use topnav) */
  .back-button { display: none !important; }