:root {
  --primary: #007bff;
  --secondary: #6c757d;
  --success: #28a745;
  --danger: #dc3545;
  --light: #f8f9fa;
  --dark: #343a40;
  --white: #fff;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--light);
  margin: 0;
  padding: 0;
  color: var(--dark);
}

header {
  background: var(--primary);
  color: var(--white);
  padding: 0.8rem 1rem;
  text-align: center;
  margin-bottom: 2rem;
}

main {
  max-width: 800px;
  margin: 0 auto 2rem;
  padding: 0 1rem;
}

.card {
  background: var(--white);
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

h1, h2 {
  margin: 0 0 1rem;
}

.form-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

input, select {
  padding: 0.5rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 1rem;
  flex: 1;
  min-width: 120px;
}

.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  background: var(--primary);
  color: var(--white);
  cursor: pointer;
  font-size: 1rem;
  transition: background 0.2s;
  min-width: 100px;
}

.btn:hover {
  background: #0056b3;
}

.btn.player-btn {
  background: #004080;
  color: #fff;
}

.btn.player-btn .player-number {
  color: #fff;
}

.btn.player-btn.selected {
  background: #ffd600;
  color: #004080;
  border: 2px solid #ffa000;
}

.btn.export-btn {
  padding: 0.3rem 0.8rem;
  font-size: 0.95rem;
  min-width: 70px;
}

.stats-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.player-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
  background: none;
  border-radius: 0;
  padding: 0;
  min-height: 2.5rem;
}

.player-list > button {
  margin: 0;
}

.player-number {
  color: #004080;
  font-weight: bold;
  font-size: 1.1em;
}

.list > div {
  padding: 0.75rem;
  border-bottom: 1px solid #ddd;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
}

.list > div button {
  margin-left: 0.5rem;
  min-width: 60px;
}

.summary-section.card {
  background: #f4f8ff;
  border: 1.5px solid #b3c6e6;
  max-width: none;
  width: 100%;
  min-width: 0;
  padding: 2.2rem 2.2rem 2.2rem 2.2rem;
  box-sizing: border-box;
}
#stats-summary.list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  background: none;
  padding: 0.5rem 0;
  min-width: 0;
}
.stats-row {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  background: #fff;
  border-radius: 6px;
  box-shadow: 0 1px 4px #b3c6e633;
  padding: 0.7rem 1rem;
  font-size: 1.08em;
}
.stats-row .player-number {
  margin: 0 0.3em 0 0.1em;
  font-size: 1.15em;
}
.stats-row .team-badge {
  display: inline-block;
  min-width: 2.5em;
  text-align: center;
  font-size: 0.95em;
  font-weight: bold;
  border-radius: 4px;
  padding: 0.1em 0.5em;
  margin-right: 0.7em;
}
.stats-row .team-badge.home {
  background: #e3f2fd;
  color: #004080;
  border: 1px solid #90caf9;
}
.stats-row .team-badge.away {
  background: #fff3e0;
  color: #b26a00;
  border: 1px solid #ffcc80;
}
.stats-row .stat-label {
  color: #666;
  margin-right: 0.3em;
}
.stats-row .stat-value {
  font-weight: bold;
  margin-right: 1em;
}

.app-logo {
  height: 6rem;
  max-width: 220px;
  width: auto;
  display: block;
  object-fit: contain;
}

.period-btn {
  background: #222 !important;
  color: #fff !important;
  border: none;
  border-radius: 6px;
  margin-right: 0.2rem;
  transition: background 0.2s, color 0.2s;
}
.period-btn.selected {
  background: #39FF14 !important; /* 螢光綠 */
  color: #222 !important;
}
.period-btn:active {
  /* 不覆蓋高亮顏色，僅做輕微縮放效果 */
  transform: scale(0.97);
}

.stats-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin-bottom: 1.2rem;
  font-size: 1.08em;
  box-shadow: 0 1px 4px #b3c6e633;
}
.stats-table th, .stats-table td {
  border: 1px solid #e0e0e0;
  padding: 0.5em 0.7em;
  text-align: center;
}
.stats-table th {
  background: #e3f2fd;
  color: #004080;
  font-weight: bold;
}
.stats-table td .team-badge {
  min-width: 2.5em;
  display: inline-block;
  border-radius: 4px;
  padding: 0.1em 0.5em;
  font-size: 0.95em;
  font-weight: bold;
}
.stats-table td .team-badge.home {
  background: #e3f2fd;
  color: #004080;
  border: 1px solid #90caf9;
}
.stats-table td .team-badge.away {
  background: #fff3e0;
  color: #b26a00;
  border: 1px solid #ffcc80;
}
@media (max-width: 600px) {
  .form-group {
    flex-direction: column;
  }
  .btn, input, select {
    width: 100%;
  }
  .stats-table th, .stats-table td {
    font-size: 0.95em;
    padding: 0.3em 0.3em;
  }
}
@media (max-width: 900px) {
  .summary-section.card {
    padding: 1.2rem 0.5rem;
  }
}