/* Mobile-First Rugby Manager Styles */

/* CSS Custom Properties for consistent theming */
:root {
  --primary-color: #4CAF50;
  --primary-hover: #45a049;
  --secondary-color: #6c757d;
  --secondary-hover: #5a6268;
  --danger-color: #dc3545;
  --warning-color: #ffc107;
  --success-color: #28a745;
  --info-color: #17a2b8;
  --light-bg: #f8f9fa;
  --dark-bg: #343a40;
  --border-color: #dee2e6;
  --text-primary: #212529;
  --text-secondary: #6c757d;
  --shadow: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-lg: 0 4px 8px rgba(0,0,0,0.15);
  
  /* Mobile-first spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  
  /* Touch-friendly sizes */
  --touch-target: 44px;
  --button-height: 48px;
  --input-height: 48px;
  --border-radius: 8px;
  
  /* Typography */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
}

/* Base mobile-first styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: var(--font-size-base);
  line-height: 1.5;
  color: var(--text-primary);
  background-color: #f5f5f5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Mobile Navigation */
.mobile-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: white;
  border-top: 1px solid var(--border-color);
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  box-shadow: var(--shadow-lg);
  /* Ensure it stays on top of all content */
  transform: translateZ(0);
  /* Prevent any potential issues with scrolling */
  will-change: transform;
  /* Smart navigation behavior */
  transition: transform 0.3s ease;
}

/* Hidden state */
.mobile-nav.nav-hidden {
  transform: translateY(100%);
}

/* Visible state */
.mobile-nav.nav-visible {
  transform: translateY(0);
}

.mobile-nav-items {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 600px;
  margin: 0 auto;
}

.mobile-nav-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--text-secondary);
  font-size: var(--font-size-xs);
  padding: var(--spacing-sm);
  min-height: var(--touch-target);
  justify-content: center;
  transition: color 0.2s ease;
}

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

.mobile-nav-icon {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

/* Desktop Navigation (hidden on mobile) */
.desktop-nav {
  display: none;
}

/* Main Content Area */
.main-content {
  padding: var(--spacing-md);
  padding-bottom: calc(80px + var(--spacing-md)); /* Account for mobile nav */
  max-width: 1200px;
  margin: 0 auto;
  /* Ensure content doesn't get hidden behind mobile nav */
  min-height: calc(100vh - 80px);
}

/* Mobile-first responsive breakpoint */
@media (min-width: 768px) {
  .mobile-nav {
    display: none;
  }
  
  .desktop-nav {
    display: block;
    background-color: var(--dark-bg);
    padding: var(--spacing-md);
  }
  
  .desktop-nav a {
    color: white;
    text-decoration: none;
    padding: var(--spacing-sm) var(--spacing-md);
    margin-right: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: background-color 0.2s ease;
  }
  
  .desktop-nav a:hover,
  .desktop-nav a.active {
    background-color: var(--primary-color);
  }
  
  .main-content {
    padding-bottom: var(--spacing-md);
  }
}

/* Touch-friendly buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--button-height);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  font-weight: 500;
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  touch-action: manipulation;
  user-select: none;
  white-space: nowrap;
  gap: var(--spacing-sm);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

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

.btn-primary:hover:not(:disabled) {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--secondary-hover);
}

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

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

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

.btn-sm {
  min-height: 36px;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.btn-lg {
  min-height: 56px;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
}

/* Touch-friendly form inputs */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  min-height: var(--input-height);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-base);
  background-color: white;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  touch-action: manipulation;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(76, 175, 80, 0.1);
}

.form-textarea {
  min-height: 100px;
  resize: vertical;
}

/* Mobile-optimized cards */
.card {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  border: 1px solid var(--border-color);
}

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

.card-title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
}

/* Mobile-optimized tables */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

.table {
  width: 100%;
  border-collapse: collapse;
  background: white;
  font-size: var(--font-size-sm);
}

.table th,
.table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--border-color);
  vertical-align: middle;
}

.table th {
  background-color: var(--light-bg);
  font-weight: 600;
  color: var(--text-primary);
  position: sticky;
  top: 0;
  z-index: 10;
}

.table tbody tr:hover {
  background-color: rgba(76, 175, 80, 0.05);
}

/* Mobile table stack layout */
@media (max-width: 767px) {
  .table,
  .table thead,
  .table tbody,
  .table th,
  .table td,
  .table tr {
    display: block;
  }
  
  .table thead tr {
    position: absolute;
    top: -9999px;
    left: -9999px;
  }
  
  .table tr {
    margin-bottom: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background: white;
    box-shadow: var(--shadow);
  }
  
  .table td {
    border: none;
    position: relative;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-left: 50%;
    text-align: right;
    min-height: var(--touch-target);
  }
  
  .table td:before {
    content: attr(data-label);
    position: absolute;
    left: var(--spacing-md);
    width: 45%;
    padding-right: var(--spacing-sm);
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
  }
  
  .table td:last-child {
    text-align: center;
    padding-left: var(--spacing-md);
  }
  
  .table td:last-child:before {
    display: none;
  }
}

/* Mobile-optimized modals */
.modal {
  display: none;
  position: fixed;
  z-index: 2000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.modal.show {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.modal-content {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 500px;
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.modal-title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  padding: var(--spacing-sm);
  border-radius: 50%;
  width: var(--touch-target);
  height: var(--touch-target);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.2s ease;
}

.modal-close:hover {
  background-color: rgba(0, 0, 0, 0.1);
}

.modal-body {
  padding: var(--spacing-lg);
  overflow-y: auto;
  flex: 1;
}

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

/* Mobile-optimized lists */
.list {
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.list-item {
  display: flex;
  align-items: center;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--border-color);
  min-height: var(--touch-target);
  transition: background-color 0.2s ease;
}

.list-item:last-child {
  border-bottom: none;
}

.list-item:hover {
  background-color: var(--light-bg);
}

.list-item-content {
  flex: 1;
  margin-right: var(--spacing-md);
}

.list-item-title {
  font-weight: 500;
  margin-bottom: var(--spacing-xs);
}

.list-item-subtitle {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

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

/* Mobile-optimized grids */
.grid {
  display: grid;
  gap: var(--spacing-md);
  grid-template-columns: 1fr;
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}

/* Squad-specific mobile optimizations */
@media (max-width: 767px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
  
  .grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  }
  
  /* Ensure squad cards are touch-friendly */
  .card .card {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
  }
  
  /* Make squad number badges more prominent on mobile */
  .badge {
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-md);
  }
}

/* Badge styles */
.badge {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: var(--border-radius);
}

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

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

.badge-warning {
  background-color: var(--warning-color);
  color: var(--text-primary);
}

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

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

/* Utility classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }

.align-center { align-items: center; }
.align-start { align-items: flex-start; }
.align-end { align-items: flex-end; }

.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

/* Loading states */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

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

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 3000;
}

/* Haptic feedback simulation */
.btn:active {
  transform: scale(0.98);
}

/* Focus management for accessibility */
.btn:focus,
.form-input:focus,
.form-select:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000;
    --text-secondary: #000;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Mobile-specific components */
.mobile-alert {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4000;
  padding: var(--spacing-md);
}

.mobile-alert-content {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  max-width: 400px;
  width: 100%;
  text-align: center;
}

.pull-refresh-indicator {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-md);
  text-align: center;
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

/* Swipe gestures for mobile */
.swipeable {
  touch-action: pan-y;
}

/* Navigation indicator for hidden nav */
.nav-indicator {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  font-size: var(--font-size-xs);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.nav-indicator.show {
  opacity: 1;
}

/* Mobile-optimized form inputs */
@media (max-width: 767px) {
  .form-input,
  .form-select,
  .form-textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }
  
  /* Larger touch targets for mobile */
  .btn {
    min-height: 52px;
    font-size: var(--font-size-lg);
  }
  
  .btn-sm {
    min-height: 44px;
  }
  
  /* Mobile-optimized modals */
  .modal.show {
    padding: 0;
  }
  
  .modal-content {
    border-radius: 0;
    max-height: 100vh;
    max-width: 100vw;
  }
  
  /* Mobile-optimized tables */
  .table-container {
    margin: 0 calc(-1 * var(--spacing-md));
  }
  
  /* Smart mobile navigation behavior */
  .mobile-nav {
    /* Force hardware acceleration */
    transform: translateZ(0);
    /* Ensure it stays above all content */
    z-index: 9999;
    /* Prevent any potential scrolling issues */
    position: fixed !important;
    /* Smooth transitions */
    transition: transform 0.3s cubic-bezier(0.4, 0.0, 0.2, 1);
  }
  
  /* Ensure nav is visible on short pages */
  .mobile-nav.nav-visible {
    transform: translateY(0);
  }
  
  /* Hide nav when scrolling down */
  .mobile-nav.nav-hidden {
    transform: translateY(100%);
  }
  
  /* Ensure body doesn't have any overflow issues */
  body {
    overflow-x: hidden;
    /* Prevent horizontal scrolling that might affect fixed positioning */
    position: relative;
  }
  
  /* Ensure main content always has proper spacing */
  .main-content {
    padding-bottom: calc(80px + var(--spacing-lg));
    /* Ensure minimum height for short content */
    min-height: calc(100vh - 80px);
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --light-bg: #2d2d2d;
    --border-color: #404040;
    --shadow: 0 2px 4px rgba(0,0,0,0.3);
  }
  
  body {
    background-color: #1a1a1a;
  }
  
  .card,
  .modal-content,
  .list,
  .table {
    background-color: #2d2d2d;
    color: var(--text-primary);
  }
  
  .mobile-alert-content {
    background-color: #2d2d2d;
    color: var(--text-primary);
  }
}