/* Batalha Naval scoreboard — single-file CSS, no framework. */

:root {
  --bg:        #06121f;
  --bg-card:   #0e1f33;
  --fg:        #f1f6ff;
  --fg-dim:    #97aac0;
  --accent:    #ffd54f;
  --accent-2:  #4fc3f7;
  --row-alt:   #122a44;
  --border:    #1d3a59;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  background: linear-gradient(180deg, #04080f 0%, #0a1a2e 100%);
  color: var(--fg);
  min-height: 100vh;
}

header {
  padding: 28px 20px 18px;
  text-align: center;
}
header h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 2px;
  color: var(--accent);
  text-shadow: 0 2px 4px rgba(0,0,0,.6);
}
.subtitle {
  margin: 6px 0 0;
  color: var(--fg-dim);
  font-size: 14px;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px 28px;
}

nav.modes {
  display: flex;
  gap: 6px;
  justify-content: center;
  margin: 12px 0 16px;
  flex-wrap: wrap;
}
nav.modes button {
  background: var(--bg-card);
  color: var(--fg);
  border: 1px solid var(--border);
  padding: 8px 18px;
  border-radius: 999px;
  font: inherit;
  cursor: pointer;
  transition: background .15s, color .15s;
}
nav.modes button:hover { background: var(--row-alt); }
nav.modes button.active {
  background: var(--accent);
  color: #1d1303;
  border-color: var(--accent);
  font-weight: 700;
}

table#board {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  font-variant-numeric: tabular-nums;
}
#board th, #board td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
#board th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--fg-dim);
  background: #0a1c2e;
}
#board tbody tr:nth-child(odd) { background: #0c1e31; }
#board tbody tr:hover { background: var(--row-alt); }

#board td.rank { color: var(--accent); font-weight: 700; width: 40px; }
#board td.name { font-weight: 600; }
#board td.shots { color: var(--accent-2); font-weight: 600; }

.status {
  margin: 18px 0;
  color: var(--fg-dim);
  font-style: italic;
  text-align: center;
}
.status.error { color: #ff8a80; font-style: normal; }

footer {
  text-align: center;
  padding: 16px;
  color: var(--fg-dim);
  font-size: 12px;
}
footer a { color: var(--accent-2); text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 540px) {
  header h1 { font-size: 22px; }
  #board th, #board td { padding: 8px 6px; font-size: 13px; }
  #board td.combo, #board th.combo,
  #board td.difficulty, #board th.difficulty { display: none; }
}