/* Flag Football Platform - Main Styles */
/* NFL-inspired color scheme */

:root {
  /* NFL Flag Colors */
  --primary-blue: #013369;
  --primary-red: #D50A0A;
  --secondary-blue: #0B2265;
  --accent-orange: #FF6B35;
  --light-gray: #F5F5F5;
  --medium-gray: #CCCCCC;
  --dark-gray: #333333;
  --white: #FFFFFF;
  --success-green: #28A745;
  --warning-yellow: #FFC107;
  --error-red: #DC3545;
  
  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  
  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  --font-size-sm: 14px;
  --font-size-base: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 24px;
  --font-size-xxl: 32px;
  
  /* Layout */
  --navbar-height: 56px;
  --bottom-nav-height: 60px;
  --sidebar-width: 280px;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Z-index */
  --z-bottom-nav: 1000;
  --z-navbar: 1010;
  --z-sidebar: 1020;
  --z-overlay: 1015;
  --z-modal: 1030;
  --z-toast: 1040;
  --z-loading: 1050;
}

/* Reset and Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--dark-gray);
  background-color: var(--light-gray);
  overflow-x: hidden;
}

/* App Container */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--navbar-height);
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  color: var(--white);
  box-shadow: var(--shadow-md);
  z-index: var(--z-navbar);
}

.navbar-container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-md);
  max-width: 100%;
}

.menu-toggle {
  background: none;
  border: none;
  color: var(--white);
  font-size: 24px;
  cursor: pointer;
  padding: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.navbar-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  letter-spacing: 0.5px;
}

.navbar-actions {
  display: flex;
  gap: var(--spacing-sm);
}

.icon-btn {
  background: none;
  border: none;
  color: var(--white);
  font-size: 20px;
  cursor: pointer;
  padding: var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  border-radius: 50%;
  transition: background-color var(--transition-fast);
}

.icon-btn:hover, .icon-btn:active {
  background-color: rgba(255, 255, 255, 0.1);
}

.badge {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--primary-red);
  color: var(--white);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 0;
  left: -100%;
  width: var(--sidebar-width);
  height: 100vh;
  background-color: var(--white);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-sidebar);
  transition: left var(--transition-base);
  overflow-y: auto;
}

.sidebar.active {
  left: 0;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
  color: var(--white);
  height: var(--navbar-height);
}

.sidebar-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 700;
}

.sidebar-nav {
  padding: var(--spacing-md) 0;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md) var(--spacing-lg);
  color: var(--dark-gray);
  text-decoration: none;
  transition: background-color var(--transition-fast);
  font-size: var(--font-size-base);
}

.sidebar-link:hover, .sidebar-link:active {
  background-color: var(--light-gray);
}

.sidebar-link.active {
  background-color: var(--light-gray);
  color: var(--primary-blue);
  font-weight: 600;
  border-left: 4px solid var(--primary-blue);
}

.sidebar-link i {
  font-size: 20px;
  width: 24px;
  text-align: center;
}

.sidebar-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  z-index: var(--z-overlay);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.sidebar-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Main Content */
.main-content {
  flex: 1;
  margin-top: var(--navbar-height);
  margin-bottom: var(--bottom-nav-height);
  padding: var(--spacing-md);
  min-height: calc(100vh - var(--navbar-height) - var(--bottom-nav-height));
}

/* Bottom Navigation */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: var(--bottom-nav-height);
  background-color: var(--white);
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: space-around;
  align-items: center;
  z-index: var(--z-bottom-nav);
}

.bottom-nav-item {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: var(--spacing-sm) 0;
  color: var(--medium-gray);
  text-decoration: none;
  font-size: 12px;
  transition: color var(--transition-fast);
}

.bottom-nav-item i {
  font-size: 24px;
}

.bottom-nav-item span {
  font-weight: 500;
}

.bottom-nav-item:hover, .bottom-nav-item:active {
  color: var(--primary-blue);
}

.bottom-nav-item.active {
  color: var(--primary-blue);
}

/* Voice Chat Button */
.voice-chat-btn {
  position: fixed;
  bottom: calc(var(--bottom-nav-height) + 16px);
  right: 16px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-red) 0%, var(--accent-orange) 100%);
  color: var(--white);
  border: none;
  box-shadow: var(--shadow-lg);
  font-size: 24px;
  cursor: pointer;
  z-index: 999;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.voice-chat-btn:hover, .voice-chat-btn:active {
  transform: scale(1.1);
  box-shadow: 0 6px 20px rgba(213, 10, 10, 0.4);
}

.voice-chat-btn.hidden {
  display: none;
}

/* Loading Spinner */
.loading-spinner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.7);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  z-index: var(--z-loading);
}

.loading-spinner.hidden {
  display: none;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--white);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-spinner p {
  color: var(--white);
  font-size: var(--font-size-lg);
  font-weight: 600;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: calc(var(--navbar-height) + var(--spacing-md));
  right: var(--spacing-md);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: calc(100% - var(--spacing-lg));
}

.toast {
  background-color: var(--white);
  padding: var(--spacing-md);
  border-radius: 8px;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  animation: slideIn 0.3s ease;
  min-width: 280px;
}

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

.toast.success {
  border-left: 4px solid var(--success-green);
}

.toast.error {
  border-left: 4px solid var(--error-red);
}

.toast.warning {
  border-left: 4px solid var(--warning-yellow);
}

.toast.info {
  border-left: 4px solid var(--primary-blue);
}

.toast i {
  font-size: 24px;
}

.toast.success i {
  color: var(--success-green);
}

.toast.error i {
  color: var(--error-red);
}

.toast.warning i {
  color: var(--warning-yellow);
}

.toast.info i {
  color: var(--primary-blue);
}

.toast-content {
  flex: 1;
}

.toast-title {
  font-weight: 600;
  margin-bottom: 4px;
}

.toast-message {
  font-size: var(--font-size-sm);
  color: var(--dark-gray);
}

.toast-close {
  background: none;
  border: none;
  color: var(--medium-gray);
  cursor: pointer;
  font-size: 20px;
  padding: 0;
}

/* Offline Indicator */
.offline-indicator {
  position: fixed;
  top: var(--navbar-height);
  left: 0;
  right: 0;
  background-color: var(--warning-yellow);
  color: var(--dark-gray);
  padding: var(--spacing-sm) var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  z-index: var(--z-navbar);
  box-shadow: var(--shadow-sm);
}

.offline-indicator.hidden {
  display: none;
}

/* Utility Classes */
.hidden {
  display: none !important;
}

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

.text-primary {
  color: var(--primary-blue);
}

.text-danger {
  color: var(--error-red);
}

.text-success {
  color: var(--success-green);
}

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }