:root {
  --bg: #0f172a;
  --card-bg: #1e293b;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --accent: #38bdf8;
  --accent-green: #4ade80;
  --border: #334155;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, sans-serif;
}

body {
  padding: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.back-nav {
  margin-bottom: 20px;
}

.back-nav a {
  color: var(--accent);
  text-decoration: none;
  font-size: 14px;
}

.back-nav a:hover {
  text-decoration: underline;
}

h1 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.app-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-bottom: 20px;
}

textarea#players {
  background-color: #020617;
  color: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  font-size: 1rem;
  width: 180px;
  height: 260px;
  resize: vertical;
}

div#playerselect {
  width: 200px;
  display: flex;
  flex-flow: row wrap;
  gap: 6px;
  align-content: flex-start;
}

div#playerselect button {
  padding: 6px 12px;
  border: 1px solid var(--border);
  background-color: var(--card-bg);
  color: var(--text);
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.95rem;
  flex: 1 1 calc(50% - 6px);
  transition: all 0.15s ease;
}

div#playerselect button:hover {
  border-color: var(--accent);
  background-color: #334155;
}

div#playerselect button.selected {
  border: 2px solid var(--accent-green);
  background-color: rgba(74, 222, 128, 0.15);
  font-weight: bold;
}

.actions {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.actions button {
  padding: 8px 16px;
  background-color: var(--accent);
  color: #0f172a;
  border: none;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  font-size: 0.95rem;
  transition: opacity 0.2s;
}

.actions button:hover {
  opacity: 0.9;
}

.actions button.btn-reset {
  background-color: #ef4444;
  color: white;
}

#game-results {
  margin-top: 15px;
  margin-bottom: 20px;
}

.court-box, .sitting-box {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 8px;
  font-size: 1.05rem;
}

.sitting-box {
  border-left: 4px solid #fbbf24;
}

#matchData {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-green);
  border-radius: 6px;
  padding: 12px;
  margin-bottom: 15px;
  line-height: 1.6;
}

.match {
  background-color: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 14px;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
  margin: 0 4px;
  width: 3.2em;
  background-color: #020617;
  color: #fff;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px;
  text-align: center;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}