/* Global Styles */
:root {
  --primary-color: #1e3c72;
  --secondary-color: #2a5298;
  --accent-color: #ff6b6b;
  --text-color: #333;
  --light-gray: #f4f6f8;
  --border-color: #e1e5e9;
  --gradient: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.1);
  --radius-sm: 6px;
  --radius-md: 8px;
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Montserrat', sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--light-gray);
}

/* Header Styles */
.main-header {
  background: var(--gradient);
  padding: var(--spacing-md) 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-md);
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.main-header h1 {
  color: white;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
}

.main-nav ul {
  display: flex;
  gap: var(--spacing-md);
  list-style: none;
}

.main-nav a {
  color: white;
  text-decoration: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-sm);
  transition: background-color 0.3s;
  font-weight: 500;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255,255,255,0.1);
}

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

/* Card Styles */
.card {
  background: white;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.card h2 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
  font-weight: 600;
}

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

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

.input-wrapper {
  position: relative;
}

textarea {
  width: 100%;
  padding: var(--spacing-md);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.3s;
  resize: vertical;
  min-height: 120px;
}

textarea:focus {
  border-color: var(--secondary-color);
  box-shadow: 0 0 0 3px rgba(42,82,152,0.1);
  outline: none;
}

.input-info {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: 0.875rem;
  color: #666;
}

/* Button Styles */
.ipl-button {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s;
}

.ipl-button.primary {
  background: var(--gradient);
  color: white;
}

.ipl-button.large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
}

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

.ipl-button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* Players Section */
.players-section {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--spacing-md);
}

.player-box {
  background: white;
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.player-box label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: 500;
}

.player-box select {
  width: 100%;
  padding: var(--spacing-sm);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: inherit;
  transition: all 0.3s;
}

/* Teams Output Section */
.teams-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
}

.team-box {
  background: white;
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
}

.team-box h3 {
  color: var(--primary-color);
  margin-bottom: var(--spacing-md);
  padding-bottom: var(--spacing-md);
  border-bottom: 2px solid var(--border-color);
}

/* Footer */
.main-footer {
  background: var(--gradient);
  color: white;
  padding: var(--spacing-xl) 0;
  margin-top: var(--spacing-xl);
}

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

.footer-content a {
  color: white;
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  .header-container {
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: center;
  }

  .main-nav ul {
    justify-content: center;
  }

  .teams-grid {
    grid-template-columns: 1fr;
  }

  .ipl-button {
    width: 100%;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .card {
    padding: var(--spacing-md);
  }

  .players-section {
    grid-template-columns: 1fr;
  }

  textarea {
    min-height: 100px;
  }
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 24px;
  height: 24px;
  margin: -12px 0 0 -12px;
  border: 2px solid var(--primary-color);
  border-top-color: transparent;
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

/* Error States */
.error-message {
  color: #dc3545;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

.error {
  border-color: #dc3545 !important;
  background-color: #fff8f8;
}

/* Success States */
.success-message {
  color: #28a745;
  font-size: 0.875rem;
  margin-top: var(--spacing-xs);
}

/* Team Indicators */
.team-indicator {
  display: inline-block;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  margin-left: var(--spacing-xs);
}

.team-a {
  background: #e3f2fd;
  color: #1976d2;
}

.team-b {
  background: #fff3e0;
  color: #f57c00;
}

/* Welcome Card */
.welcome-card {
  background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
  border-left: 4px solid var(--accent-color);
}

.steps-list {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-xl);
}

.steps-list li {
  margin: var(--spacing-sm) 0;
  color: #555;
}

/* Modal Styles */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1100;
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: white;
  margin: 5% auto;
  padding: var(--spacing-lg);
  width: 90%;
  max-width: 600px;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
  animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
  from {
    transform: translateY(-10%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.close-modal {
  position: absolute;
  right: var(--spacing-md);
  top: var(--spacing-md);
  font-size: 1.5rem;
  color: #666;
  cursor: pointer;
  transition: color 0.3s;
}

.close-modal:hover {
  color: var(--accent-color);
}

.help-content {
  margin-top: var(--spacing-lg);
}

.help-content h3 {
  color: var(--primary-color);
  margin: var(--spacing-md) 0 var(--spacing-sm);
}

.help-content p {
  margin-bottom: var(--spacing-md);
  color: #555;
}

.help-content ul {
  list-style-type: none;
  padding-left: 0;
}

.help-content ul li {
  margin: var(--spacing-sm) 0;
  padding-left: var(--spacing-lg);
  position: relative;
}

.help-content ul li::before {
  content: '✓';
  color: var(--accent-color);
  position: absolute;
  left: 0;
}

/* Social Links */
.social-links {
  margin-top: var(--spacing-md);
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  margin: 0 var(--spacing-xs);
  transition: all 0.3s;
}

.social-links a:hover {
  background: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

/* Enhanced Button States */
.ipl-button {
  position: relative;
  overflow: hidden;
}

.ipl-button::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, rgba(255,255,255,0) 70%);
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
  transition: transform 0.5s, opacity 0.3s;
}

.ipl-button:active::after {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* Enhanced Card Interactions */
.card {
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(45deg, transparent 0%, rgba(255,255,255,0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s;
}

.card:hover::before {
  opacity: 1;
}

/* Loading Animation Enhancement */
@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.loading {
  animation: shimmer 2s infinite linear;
  background: linear-gradient(to right, #f6f7f8 0%, #edeef1 20%, #f6f7f8 40%, #f6f7f8 100%);
  background-size: 1000px 100%;
}

/* Team Box Enhancements */
.team-box {
  position: relative;
  overflow: hidden;
}

.team-box::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, transparent 50%, rgba(255,107,107,0.1) 100%);
  border-radius: 0 0 0 100%;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .modal-content {
    margin: 10% auto;
    width: 95%;
    padding: var(--spacing-md);
  }

  .help-content {
    margin-top: var(--spacing-md);
  }
}

@media (max-width: 480px) {
  .steps-list {
    padding-left: var(--spacing-lg);
  }

  .social-links a {
    width: 32px;
    height: 32px;
  }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Verify Roles Button */
.verify-roles-btn {
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-xl) auto;
  max-width: 300px;
  justify-content: center;
  transition: all 0.3s;
  box-shadow: var(--shadow-sm);
}

.verify-roles-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.verify-roles-btn i {
  font-size: 1.1em;
}

@media (max-width: 480px) {
  .verify-roles-btn {
    max-width: 250px;
    padding: var(--spacing-sm) var(--spacing-lg);
  }
}

/* Actions Section */
.actions-section {
  margin: var(--spacing-xl) 0;
}

.button-group {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
}

.button-group .ipl-button {
  flex: 1;
  max-width: 300px;
  min-width: 200px;
  justify-content: center;
}

@media (max-width: 768px) {
  .button-group {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  
  .button-group .ipl-button {
    width: 100%;
    max-width: 100%;
  }
}