:root {
  --primary: #007bff; /* Updated primary color */
  --secondary: #6c757d; /* Updated secondary color */
  --accent: #ffc107; /* Updated accent color */
  --success: #28a745; /* Updated success color */
  --warning: #ffc107; /* Warning color remains the same */
  --danger: #dc3545; /* Updated danger color */
  --light: #f8f9fa; /* Light color remains the same */
  --dark: #343a40; /* Dark color remains the same */
  --text: #212529; /* Updated text color */
  --text-light: #6c757d; /* Light text color remains the same */
  --border: #dee2e6; /* Border color remains the same */
  --shadow: 0 4px 6px rgba(0, 0, 0, 0.1); /* Shadow remains the same */
  --transition: all 0.3s ease; /* Transition remains the same */
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

body {
  background: linear-gradient(135deg, #e9ecef 0%, #f1f3f5 100%); /* Updated background gradient */
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.app-header {
  background: linear-gradient(to right, var(--primary), var(--secondary)); /* Updated header gradient */
  color: white;
  padding: 1rem 0;
  box-shadow: var(--shadow);
  position: relative;
  z-index: 100;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

.logo {
  height: 50px;
  width: auto;
  margin-right: 0.5rem; /* Adjusted margin to bring logo closer to the system name */
}

.app-header h1 {
  font-size: 1.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
}

.app-header h1 span {
  font-weight: 700;
  color: var(--accent);
  margin-right: 0.5rem;
}

.header-actions {
  display: flex;
  gap: 1rem;
}

.help-btn {
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  transition: var(--transition);
}

.help-btn:hover {
  color: var(--accent);
  transform: scale(1.1);
}

.app-nav {
  background-color: white;
  box-shadow: var(--shadow);
}

.app-nav ul {
  display: flex;
  list-style: none;
  max-width: 1200px;
  margin: 0 auto;
}

.app-nav li {
  flex: 1;
  text-align: center;
  padding: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border-bottom: 3px solid transparent;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.app-nav li.active {
  border-bottom-color: var(--accent);
  background-color: rgba(255, 193, 7, 0.1); /* Updated active background color */
}

.app-nav li:hover {
  background-color: rgba(255, 193, 7, 0.1); /* Updated hover background color */
}

.app-nav i {
  font-size: 1.2rem;
}

.app-main {
  flex: 1;
  padding: 2rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.tab-content {
  display: none;
  animation: fadeIn 0.5s ease;
}

.tab-content.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.section-header h2 {
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.section-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.search-filter {
  display: flex;
  gap: 0.5rem;
}

.search-filter input {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  min-width: 200px;
}

.btn-primary {
  background: linear-gradient(to right, var(--primary), var(--secondary)); /* Updated button gradient */
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 500;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-undo {
  background-color: var(--warning);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-undo:hover {
  background-color: #e0a800; /* Updated hover color */
  transform: translateY(-2px);
}

.btn-export {
  background-color: var(--success);
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-export:hover {
  background-color: #218838; /* Updated hover color */
  transform: translateY(-2px);
}

.match-form {
  background-color: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  margin-bottom: 2rem;
}

.form-row {
  display: flex;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  flex: 1;
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.2); /* Updated focus color */
}

.teams-container {
  display: flex;
  gap: 2rem;
  margin: 2rem 0;
  position: relative;
}

.vs-circle {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(to right, var(--primary), var(--secondary)); /* Updated vs-circle gradient */
  color: white;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  box-shadow: var(--shadow);
  z-index: 10;
}

.team-box {
  flex: 1;
  background-color: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.team-header {
  padding: 1rem;
  background: linear-gradient(to right, var(--primary), var(--secondary)); /* Updated team header gradient */
  color: white;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.team-header h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.team-select {
  width: 100%;
  padding: 0.5rem;
  border-radius: 4px;
  border: none;
}

.player-list {
  padding: 1rem;
  max-height: 400px;
  overflow-y: auto;
  scroll-behavior: smooth;
}

.player-list::-webkit-scrollbar {
  width: 8px;
}

.player-list::-webkit-scrollbar-track {
  background: #f1f1f1;
  border-radius: 4px;
}

.player-list::-webkit-scrollbar-thumb {
  background: var(--primary);
  border-radius: 4px;
}

.player-list::-webkit-scrollbar-thumb:hover {
  background: var(--secondary);
}

.player-card {
  display: flex;
  align-items: center;
  padding: 0.75rem;
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.player-card:hover {
  background-color: rgba(0, 123, 255, 0.05); /* Updated hover color */
}

.player-card input[type="checkbox"] {
  margin-right: 1rem;
  transform: scale(1.2);
}

.player-card label {
  flex: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.player-card .card-buttons {
  display: flex;
  gap: 0.5rem;
  opacity: 0;
  transition: var(--transition);
}

.player-card:hover .card-buttons {
  opacity: 1;
}

.yellow-card-btn,
.red-card-btn {
  border: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font-size: 0.8rem;
}

.yellow-card-btn {
  background-color: rgba(255, 193, 7, 0.2);
  color: #ffc107;
}

.yellow-card-btn:hover {
  background-color: rgba(255, 193, 7, 0.3);
}

.red-card-btn {
  background-color: rgba(220, 53, 69, 0.2);
  color: #dc3545;
}

.red-card-btn:hover {
  background-color: rgba(220, 53, 69, 0.3);
}

.results-container {
  background-color: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

.results-header {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary);
  margin: 1rem 0;
  padding: 0.5rem;
  border-bottom: 2px solid var(--border);
}

.player-status {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 4px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.player-status .player-info {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.player-status h3 {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.1rem;
}

.player-status .status-badge {
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 500;
}

.eligible {
  background-color: rgba(40, 167, 69, 0.1); /* Updated eligible color */
  border-left: 4px solid var(--success);
}

.eligible .status-badge {
  background-color: var(--success);
  color: white;
}

.suspended {
  background-color: rgba(231, 76, 60, 0.1);
  border-left: 4px solid var(--danger);
}

.suspended .status-badge {
  background-color: var(--danger);
  color: white;
}

.warning {
  background-color: rgba(255, 193, 7, 0.1);
  border-left: 4px solid var(--warning);
}

.warning .status-badge {
  background-color: var(--warning);
  color: white;
}

.warning-message {
  font-size: 0.9rem;
  color: var(--text-light);
  font-style: italic;
}

.table-container {
  background-color: white;
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

table {
  width: 100%;
  border-collapse: collapse;
}

th,
td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background-color: var(--primary);
  color: white;
  position: sticky;
  top: 0;
}

th i {
  margin-left: 0.25rem;
}

tr:nth-child(even) {
  background-color: #f8f9fa;
}

tr:hover {
  background-color: rgba(0, 123, 255, 0.05); /* Updated hover color */
}

.action-btn {
  border: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  margin-right: 0.5rem;
}

.edit-btn {
  background-color: rgba(255, 193, 7, 0.1);
  color: var(--warning);
}

.edit-btn:hover {
  background-color: rgba(255, 193, 7, 0.2);
}

.delete-btn {
  background-color: rgba(231, 76, 60, 0.1);
  color: var(--danger);
}

.delete-btn:hover {
  background-color: rgba(231, 76, 60, 0.2);
}

.warning-cell {
  color: var(--warning);
  font-weight: bold;
}

.danger-cell {
  color: var(--danger);
  font-weight: bold;
}

.no-data {
  text-align: center;
  color: var(--text-light);
  font-style: italic;
  padding: 2rem;
}

.no-players {
  text-align: center;
  color: var(--text-light);
  font-style: italic;
  padding: 2rem;
}

.no-results {
  text-align: center;
  color: var(--text-light);
  font-style: italic;
  padding: 1rem;
}

.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  animation: fadeIn 0.3s ease;
}

.modal-content {
  background-color: white;
  margin: 5% auto;
  padding: 2rem;
  border-radius: 8px;
  box-shadow: var(--shadow);
  max-width: 500px;
  width: 90%;
  position: relative;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(20px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.close {
  position: absolute;
  right: 1rem;
  top: 1rem;
  font-size: 1.5rem;
  color: var(--text-light);
  cursor: pointer;
  transition: var(--transition);
}

.close:hover {
  color: var(--danger);
  transform: rotate(90deg);
}

.alert {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 1rem 1.5rem;
  border-radius: 4px;
  color: white;
  font-weight: 500;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-width: 300px;
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.alert-success {
  background-color: var(--success);
}

.alert-error {
  background-color: var(--danger);
}

.alert-warning {
  background-color: var(--warning);
}

.close-alert {
  background: none;
  border: none;
  color: white;
  font-size: 1.2rem;
  cursor: pointer;
  margin-left: 1rem;
}

.fade-out {
  animation: fadeOut 0.3s ease forwards;
}

@keyframes fadeOut {
  to {
    opacity: 0;
    transform: translateX(100%);
  }
}

.card-count {
  display: flex;
  gap: 0.5rem;
  font-size: 0.8rem;
}

.yellow-card-count,
.red-card-count {
  display: flex;
  align-items: center;
  gap