:root {
  /* Colors based on new design specifications */
  --primary-color: #3498db;
  --primary-dark: #2980b9;
  --secondary-color: #2ecc71;
  --accent-color: #f39c12;
  --accent-gradient: linear-gradient(to right top, #a8df7f 0%, #57adc6 33%, #a46be9 100%);
  --danger-color: #e74c3c;
  
  --text-color: #202124;
  --text-secondary: #5f6368;
  --border-color: #dadce0;
  --background-color: #ffffff;
  --card-background: #f8f9fa;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 14px;
  --font-size-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-h1: 48px;
  --font-size-h2: 36px;
  --font-size-h3: 24px;
  --font-size-h4: 18px;
  
  /* Borders */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 16px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 8px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.35s ease;
}

/* Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--text-color);
  background-color: var(--background-color);
  line-height: 1.5;
  height: 100%;
  overflow-x: hidden;
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-dark);
}

ul {
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
}

/* Layout */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header */
.app-header {
  background-color: var(--background-color);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-md) 0;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.app-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo img {
  height: 36px;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-lg);
}

.main-nav a {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-sm);
  color: var(--text-secondary);
}

.main-nav a.active {
  color: var(--primary-color);
}

.main-nav .icon {
  width: 24px;
  height: 24px;
  margin-bottom: var(--spacing-xs);
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.main-nav .label {
  font-size: var(--font-size-xs);
}

.auth-actions {
  display: flex;
  align-items: center;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.user-profile .avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
}

.hidden {
  display: none !important;
}

/* Main Content */
main {
  padding-top: 72px;
  min-height: calc(100vh - 72px);
}

.section {
  display: none;
  padding: var(--spacing-lg) 0;
}

.section.active {
  display: block;
}

/* Record Section */
.record-container {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--spacing-lg);
}

.video-container {
  position: relative;
  background-color: #000;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
}

#videoPreview {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-controls {
  position: absolute;
  bottom: var(--spacing-md);
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.control-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.6);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: background-color var(--transition-fast);
}

.control-btn:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

.record-btn {
  width: 64px;
  height: 64px;
  background-color: var(--danger-color);
}

.record-btn:hover {
  background-color: #d32f2f;
}

.scoring-container {
  background-color: var(--card-background);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

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

.match-timer {
  font-size: var(--font-size-lg);
  font-weight: bold;
  font-family: monospace;
}

.score-board {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) 0;
}

.team {
  text-align: center;
  flex: 1;
}

.team-name {
  font-size: var(--font-size-md);
  margin-bottom: var(--spacing-sm);
}

.team-score {
  font-size: 64px;
  font-weight: bold;
  line-height: 1;
  margin-bottom: var(--spacing-md);
}

.score-divider {
  font-size: 48px;
  font-weight: bold;
  margin: 0 var(--spacing-md);
}

.score-btn {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--primary-color);
  color: white;
  border: none;
  font-size: 24px;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.score-btn:hover {
  background-color: var(--primary-dark);
}

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

.game-stats {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
}

.game-controls {
  display: flex;
  gap: var(--spacing-md);
}

/* Matches Section */
.matches-filter {
  display: flex;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
}

.search-input {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
}

.filter-select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: var(--background-color);
}

.matches-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
}

.match-card {
  background-color: var(--card-background);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.match-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.match-card.empty-state {
  grid-column: 1 / -1;
  padding: var(--spacing-xl);
  text-align: center;
  color: var(--text-secondary);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
}

.empty-icon {
  width: 64px;
  height: 64px;
  color: var(--text-secondary);
}

/* Profile Section */
.profile-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.profile-avatar {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  background-color: var(--card-background);
}

.profile-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-info h2 {
  margin-bottom: var(--spacing-xs);
}

.profile-info p {
  color: var(--text-secondary);
}

.profile-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  background-color: var(--card-background);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  display: block;
  font-size: var(--font-size-xl);
  font-weight: bold;
  margin-bottom: var(--spacing-xs);
}

.stat-label {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.profile-actions {
  display: flex;
  gap: var(--spacing-md);
}

/* Buttons */
.btn {
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--border-radius-sm);
  border: none;
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.btn .icon {
  width: 18px;
  height: 18px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.btn-primary {
  background-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--primary-dark);
}

.btn-secondary {
  background-color: var(--card-background);
  color: var(--text-color);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-danger {
  background-color: var(--danger-color);
  color: white;
}

.btn-danger:hover {
  background-color: #d32f2f;
}

.btn-text {
  background-color: transparent;
  color: var(--text-secondary);
}

.btn-text:hover {
  color: var(--text-color);
  background-color: rgba(0, 0, 0, 0.05);
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-auth {
  width: 100%;
  padding: var(--spacing-md);
  background-color: var(--background-color);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  font-size: var(--font-size-md);
}

.btn-auth:hover {
  background-color: var(--card-background);
}

.auth-icon {
  width: 24px;
  height: 24px;
}

/* Modals */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: var(--background-color);
  border-radius: var(--border-radius-md);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
}

.modal-header {
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-header h3 {
  font-size: var(--font-size-lg);
  font-weight: 500;
}

.close-modal {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-secondary);
}

.modal-body {
  padding: var(--spacing-lg);
}

.modal-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  display: flex;
  justify-content: flex-end;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-md);
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235f6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-position: right 12px center;
  background-repeat: no-repeat;
  padding-right: 36px;
}

.url-container {
  display: flex;
  gap: var(--spacing-sm);
}

.url-container .form-control {
  flex: 1;
}

/* Share Modal */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: var(--spacing-lg) 0;
}

.qr-code {
  width: 200px;
  height: 200px;
  background-color: var(--card-background);
  margin-bottom: var(--spacing-md);
}

.share-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Auth Modal */
.auth-options {
  margin-bottom: var(--spacing-lg);
}

.auth-divider {
  position: relative;
  text-align: center;
  margin: var(--spacing-lg) 0;
}

.auth-divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--border-color);
}

.auth-divider span {
  position: relative;
  background-color: var(--background-color);
  padding: 0 var(--spacing-md);
  color: var(--text-secondary);
}

.auth-toggle {
  text-align: center;
}

/* Orientation Message */
.orientation-message {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--background-color);
  z-index: 3000;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}

.orientation-content {
  text-align: center;
  max-width: 400px;
}

.orientation-icon {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  display: inline-block;
}

.orientation-message h2 {
  margin-bottom: var(--spacing-md);
}

/* Icon sprites */
.record-icon {
  background-image: url('../assets/icons/record.svg');
}

.matches-icon {
  background-image: url('../assets/icons/history.svg');
}

.profile-icon {
  background-image: url('../assets/icons/user.svg');
}

.settings-icon {
  background-image: url('../assets/icons/settings.svg');
}

.switch-camera-icon {
  background-image: url('../assets/icons/switch-camera.svg');
}

.share-icon {
  background-image: url('../assets/icons/share.svg');
}

.undo-icon {
  background-image: url('../assets/icons/undo.svg');
}

.end-icon {
  background-image: url('../assets/icons/stop.svg');
}

.copy-icon {
  background-image: url('../assets/icons/copy.svg');
}

.signout-icon {
  background-image: url('../assets/icons/logout.svg');
}

.whatsapp-icon {
  background-image: url('../assets/icons/whatsapp.svg');
}

.twitter-icon {
  background-image: url('../assets/icons/twitter.svg');
}

.facebook-icon {
  background-image: url('../assets/icons/facebook.svg');
}