/* ============================================
   GSTU Robotics & Research Club - common.css
   Common styles, layout, responsive design
   FIXED VERSION - All theme variables corrected
   ============================================ */

/* ============================================
   1. CSS RESET & BASE STYLES
   ============================================ */

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

*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 17px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-base);
  font-weight: var(--font-weight-normal);
  line-height: 1.7;
  color: var(--text-primary);
  background-color: var(--background-color);
  transition: background-color var(--transition-base), color var(--transition-base);
  overflow-x: hidden;
  padding-top: 0;
}

/* ============================================
   2. TYPOGRAPHY BASE
   ============================================ */

h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--text-primary);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: var(--font-4xl);
  letter-spacing: -0.02em;
}

h2 {
  font-size: var(--font-3xl);
  letter-spacing: -0.01em;
}

h3 {
  font-size: var(--font-2xl);
}

h4 {
  font-size: var(--font-xl);
}

h5 {
  font-size: var(--font-lg);
}

h6 {
  font-size: var(--font-base);
}

p {
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
}

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

a:hover {
  color: var(--primary-light);
  opacity: 0.9;
}

a:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

strong {
  font-weight: var(--font-weight-bold);
}

em {
  font-style: italic;
}

/* ============================================
   3. LAYOUT CONTAINERS
   ============================================ */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

.section-lg {
  padding: 4rem 0;
}

/* ============================================
   4. HEADER & NAVIGATION
   ============================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  width: 100%;
  background-color: var(--header-background);
  backdrop-filter: blur(12px);
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--header-border);
  z-index: var(--z-fixed);
  transition: transform var(--transition-base), box-shadow var(--transition-base), background-color var(--transition-base);
  height: 70px;
  min-height: 70px;
}

.header.hidden {
  transform: translateY(-100%);
}

.header.shadow {
  box-shadow: var(--header-shadow);
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.logo-container:hover {
  transform: scale(1.03);
}

.logo {
  height: 50px;
  width: auto;
  transition: transform var(--transition-base);
}

.club-name {
  font-size: 1.125rem;
  font-weight: var(--font-weight-bold);
  color: var(--header-text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: -0.01em;
}

@media (max-width: 767px) {
  .club-name {
    font-size: 0.75rem;
    max-width: calc(100vw - 200px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.3;
  }
}

@media (max-width: 480px) {
  .club-name {
    font-size: 0.7rem;
    max-width: calc(100vw - 160px);
  }
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-link {
  position: relative;
  font-size: 0.9375rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  padding: var(--space-sm) var(--space-md);
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background-color: var(--primary-color);
  transition: width var(--transition-base);
  border-radius: 2px;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

/* Theme Toggle Button */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border: none;
  border-radius: var(--radius-full);
  background-color: var(--background-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  margin-left: var(--space-md);
}

.theme-toggle:hover {
  background-color: var(--primary-color);
  transform: scale(1.08);
}

.theme-toggle:active {
  transform: scale(0.95);
}

.theme-icon {
  font-size: var(--font-xl);
  transition: transform var(--transition-fast);
}

/* Mobile Menu Toggle - FIXED */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
  pointer-events: auto;
  position: relative;
  flex-shrink: 0;
  width: 40px;
  height: 40px;
}

.mobile-menu-toggle span {
  display: block !important;
  width: 25px !important;
  height: 3px !important;
  background: var(--text-primary) !important;
  margin: 3px 0 !important;
  transition: all 0.3s ease;
  border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Navigation Overlay */
.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 999;
  display: none !important;
  visibility: hidden;
  pointer-events: none;
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mobile-nav-overlay.active {
  display: flex !important;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-overlay.active {
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-nav-overlay .nav-menu {
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  padding: var(--space-lg);
}

.mobile-nav-overlay .nav-link {
  padding: var(--space-md);
  border-bottom: 1px solid var(--border-color);
  font-size: var(--font-lg);
}

.mobile-nav-overlay .nav-link::after {
  display: none;
}

/* ============================================
   5. FOOTER
   ============================================ */

.footer {
  background-color: var(--footer-background);
  border-top: 1px solid var(--border-color);
  padding: var(--space-3xl) 0 var(--space-lg);
  margin-top: var(--space-3xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-2xl);
  margin-bottom: var(--space-2xl);
}

.footer-section h3 {
  font-size: var(--font-lg);
  margin-bottom: var(--space-md);
  color: var(--footer-heading);
}

.footer-section p {
  font-size: var(--font-sm);
  line-height: var(--line-height-relaxed);
  color: var(--footer-text);
}

.footer-section a {
  display: block;
  font-size: var(--font-sm);
  color: var(--footer-text);
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-section a:hover {
  color: var(--footer-link-hover);
  padding-left: var(--space-xs);
}

.social-links {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background-color: var(--background-color);
  border-radius: var(--radius-md);
  font-size: var(--font-xl);
  transition: all var(--transition-fast);
  border: 2px solid var(--border-color);
}

.social-link:hover {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-xl);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-lg);
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  font-size: var(--font-sm);
  color: var(--footer-text);
}

/* ============================================
   6. BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.75rem 1.75rem;
  font-size: var(--font-base);
  font-weight: var(--font-weight-semibold);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: linear-gradient(135deg, var(--btn-primary-bg) 0%, var(--primary-dark) 100%);
  color: var(--btn-primary-text);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, var(--btn-primary-hover) 0%, var(--btn-primary-bg) 100%);
  transform: translateY(-2px) scale(1.02);
  box-shadow: var(--shadow-lg);
}

.btn-primary:active:not(:disabled) {
  transform: translateY(0) scale(0.98);
}

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

.btn-secondary:hover:not(:disabled) {
  background-color: var(--btn-secondary-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-outline {
  background-color: transparent;
  color: var(--btn-outline-text);
  border: 2px solid var(--btn-outline-border);
}

.btn-outline:hover:not(:disabled) {
  background-color: var(--btn-outline-hover-bg);
  color: var(--btn-outline-hover-text);
  transform: translateY(-2px);
}

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

.btn-danger:hover:not(:disabled) {
  background-color: var(--error-color);
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-sm {
  padding: var(--space-xs) var(--space-md);
  font-size: var(--font-sm);
}

.btn-lg {
  padding: var(--space-md) var(--space-xl);
  font-size: var(--font-lg);
}

.btn-icon {
  width: 42px;
  height: 42px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-group {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
}

/* ============================================
   7. CARDS
   ============================================ */

.card {
  background-color: var(--surface-color);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-xl);
  border-color: var(--primary-color);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  transition: transform var(--transition-base);
}

.card:hover .card-image {
  transform: scale(1.05);
}

.card-header {
  padding: var(--space-md) var(--space-lg);
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  padding: var(--space-lg);
}

.card-footer {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-color);
  background-color: var(--background-secondary);
}

.card-title {
  font-size: var(--font-xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--space-xs);
  color: var(--text-primary);
}

.card-subtitle {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.card-text {
  font-size: var(--font-sm);
  line-height: var(--line-height-relaxed);
  color: var(--text-secondary);
}

/* ============================================
   8. GRIDS & LAYOUTS
   ============================================ */

.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.flex {
  display: flex;
  gap: var(--space-md);
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.flex-wrap {
  flex-wrap: wrap;
}

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

/* ============================================
   9. UTILITY CLASSES
   ============================================ */

/* Text Alignment */
.text-center {
  text-align: center;
}

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

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

/* Text Colors */
.text-primary {
  color: var(--text-primary);
}

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

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

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

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

/* Margins */
.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mt-2xl { margin-top: var(--space-2xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.ml-xs { margin-left: var(--space-xs); }
.ml-sm { margin-left: var(--space-sm); }
.ml-md { margin-left: var(--space-md); }
.ml-lg { margin-left: var(--space-lg); }

.mr-xs { margin-right: var(--space-xs); }
.mr-sm { margin-right: var(--space-sm); }
.mr-md { margin-right: var(--space-md); }
.mr-lg { margin-right: var(--space-lg); }

/* Padding */
.p-xs { padding: var(--space-xs); }
.p-sm { padding: var(--space-sm); }
.p-md { padding: var(--space-md); }
.p-lg { padding: var(--space-lg); }
.p-xl { padding: var(--space-xl); }

.pt-xs { padding-top: var(--space-xs); }
.pt-sm { padding-top: var(--space-sm); }
.pt-md { padding-top: var(--space-md); }
.pt-lg { padding-top: var(--space-lg); }

.pb-xs { padding-bottom: var(--space-xs); }
.pb-sm { padding-bottom: var(--space-sm); }
.pb-md { padding-bottom: var(--space-md); }
.pb-lg { padding-bottom: var(--space-lg); }

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

.visible {
  display: block !important;
}

.invisible {
  visibility: hidden;
  opacity: 0;
}

/* ============================================
   10. BADGES & TAGS
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  font-size: var(--font-xs);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

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

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

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

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

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

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

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* ============================================
   11. LOADING & EMPTY STATES - MODERN VERSION
   ============================================ */

/* Top Loading Progress Bar */
.page-loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  z-index: 9999;
  transition: width 0.3s ease, opacity 0.3s ease;
  box-shadow: 0 0 10px var(--primary-color);
  display: none;
}

.page-loading-bar.active {
  width: 100%;
}

/* Loading Overlay with Status */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--background-color);
  z-index: 9998;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-content {
  text-align: center;
  max-width: 400px;
  padding: var(--space-xl);
}

.loading-spinner {
  width: 60px;
  height: 60px;
  border: 4px solid var(--border-color);
  border-top: 4px solid var(--primary-color);
  border-right: 4px solid var(--secondary-color);
  border-radius: 50%;
  animation: modernSpin 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite;
  margin: 0 auto var(--space-lg);
}

@keyframes modernSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-status {
  font-size: var(--font-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin-bottom: var(--space-sm);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.loading-progress {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
}

.loading-steps {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.loading-step {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--border-color);
  transition: all 0.3s ease;
}

.loading-step.active {
  background: var(--primary-color);
  transform: scale(1.3);
  box-shadow: 0 0 10px var(--primary-color);
}

.loading-step.completed {
  background: var(--success-color);
}

/* Skeleton Screens - Modern Shimmer Effect */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--background-secondary) 0%,
    var(--surface-color) 50%,
    var(--background-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 1rem;
  margin-bottom: var(--space-sm);
  border-radius: var(--radius-sm);
}

.skeleton-text.title {
  height: 2rem;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton-text.short {
  width: 40%;
}

.skeleton-text.long {
  width: 80%;
}

.skeleton-card {
  background: var(--surface-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-lg);
}

.skeleton-image {
  width: 100%;
  height: 200px;
  background: linear-gradient(
    90deg,
    var(--background-secondary) 0%,
    var(--surface-color) 50%,
    var(--background-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

.skeleton-content {
  padding: var(--space-lg);
}

.skeleton-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(
    90deg,
    var(--background-secondary) 0%,
    var(--surface-color) 50%,
    var(--background-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  margin: 0 auto var(--space-md);
}

/* Skeleton Grid */
.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

/* Image Blur-Up Loading */
.image-loading {
  position: relative;
  overflow: hidden;
  background: var(--background-secondary);
}

.image-loading img {
  opacity: 0;
  transition: opacity 0.5s ease;
}

.image-loading img.loaded {
  opacity: 1;
}

.image-loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
}

/* Fade-In Animations for Content */
.fade-in-content {
  opacity: 0;
  transform: translateY(20px);
  animation: contentFadeIn 0.6s ease-out forwards;
}

@keyframes contentFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-content:nth-child(1) { animation-delay: 0.1s; }
.fade-in-content:nth-child(2) { animation-delay: 0.2s; }
.fade-in-content:nth-child(3) { animation-delay: 0.3s; }
.fade-in-content:nth-child(4) { animation-delay: 0.4s; }
.fade-in-content:nth-child(5) { animation-delay: 0.5s; }

/* Legacy Loading State */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  text-align: center;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid var(--border-color);
  border-top-color: var(--primary-color);
  border-radius: var(--radius-full);
  animation: spin 0.8s linear infinite;
  margin-bottom: var(--space-md);
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3xl);
  text-align: center;
  min-height: 400px;
}

.empty-icon {
  font-size: 5rem;
  margin-bottom: var(--space-lg);
  opacity: 0.6;
}

.empty-state h3 {
  font-size: var(--font-2xl);
  margin-bottom: var(--space-sm);
}

.empty-state p {
  font-size: var(--font-base);
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  max-width: 500px;
}

/* Mobile Optimizations */
@media (max-width: 767px) {
  .loading-spinner {
    width: 50px;
    height: 50px;
  }
  
  .loading-status {
    font-size: var(--font-base);
  }
  
  .skeleton-grid {
    grid-template-columns: 1fr;
  }
}

/* ============================================
   12. ANIMATIONS
   ============================================ */

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-out;
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

.fade-in-down {
  animation: fadeInDown 0.6s ease-out;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease-out;
}

.slide-in-right {
  animation: slideInRight 0.6s ease-out;
}

.scale-in {
  animation: scaleIn 0.4s ease-out;
}

/* ============================================
   13. PAGE-SPECIFIC PATTERNS
   ============================================ */

/* Page Header - Perfect Text Visibility */
.page-header {
  position: relative;
  padding: var(--space-3xl) 0;
  background: var(--gradient-primary);
  overflow: hidden;
  margin-bottom: var(--space-3xl);
}

.page-header-pattern {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

/* All text in page header is white with shadow */
.page-header *,
.page-header h1,
.page-header h2,
.page-header h3,
.page-header h4,
.page-header h5,
.page-header h6,
.page-header p,
.page-header span,
.page-header div {
  color: #ffffff !important;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
}

.page-title {
  position: relative;
  font-size: var(--font-5xl);
  font-weight: var(--font-weight-extrabold);
  color: #ffffff !important;
  margin-bottom: var(--space-sm);
  text-align: center;
  text-shadow: 0 3px 15px rgba(0, 0, 0, 0.6), 0 2px 6px rgba(0, 0, 0, 0.4);
}

.page-description {
  position: relative;
  font-size: var(--font-lg);
  color: #ffffff !important;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* Stats Section */
.stats-section {
  padding: var(--space-2xl) 0;
  background-color: var(--background-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
}

.stat-card {
  background-color: var(--surface-color);
  padding: var(--space-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.stat-icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.stat-number {
  font-size: var(--font-4xl);
  font-weight: var(--font-weight-extrabold);
  color: var(--primary-color);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: var(--font-sm);
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ============================================
   14. RESPONSIVE BREAKPOINTS
   ============================================ */

/* Tablet (768px - 1023px) */

@media (max-width: 1023px) {
  .container {
    padding: 0 var(--space-md);
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-title {
    font-size: var(--font-2xl);
  }

  .card-body {
    padding: var(--space-md);
  }
}

/* ============================================
   15. PRINT STYLES
   ============================================ */

@media print {
  body {
    background: white;
    color: black;
  }

  .header,
  .footer,
  .theme-toggle,
  .mobile-menu-toggle,
  .btn,
  .nav-menu {
    display: none;
  }

  .page-header {
    background: none;
    color: black;
  }

  .card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ddd;
  }

  a {
    text-decoration: underline;
  }

  a[href]:after {
    content: " (" attr(href) ")";
  }
}

/* ============================================
   16. ACCESSIBILITY
   ============================================ */

/* Focus Visible */
*:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Skip to Content Link */
.skip-to-content {
  position: absolute;
  top: -100px;
  left: 0;
  background-color: var(--primary-color);
  color: white;
  padding: var(--space-sm) var(--space-lg);
  text-decoration: none;
  z-index: var(--z-tooltip);
  transition: top var(--transition-fast);
}

.skip-to-content:focus {
  top: 0;
}

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

  .spinner {
    animation: none;
    border: 4px solid var(--primary-color);
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  .card {
    border-width: 2px;
  }

  .btn {
    border: 2px solid currentColor;
  }

  a {
    text-decoration: underline;
  }
}

/* Screen Reader Only */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* ============================================
   19. SCROLL ANIMATIONS
   ============================================ */

/* Scroll reveal animations */
.scroll-reveal {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), 
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: opacity, transform;
}

.scroll-reveal.revealed {
  opacity: 1;
}

/* Animation variants */
.scroll-reveal.fade-up {
  transform: translateY(30px);
}

.scroll-reveal.fade-up.revealed {
  transform: translateY(0);
}

.scroll-reveal.fade-down {
  transform: translateY(-30px);
}

.scroll-reveal.fade-down.revealed {
  transform: translateY(0);
}

.scroll-reveal.fade-left {
  transform: translateX(-30px);
}

.scroll-reveal.fade-left.revealed {
  transform: translateX(0);
}

.scroll-reveal.fade-right {
  transform: translateX(30px);
}

.scroll-reveal.fade-right.revealed {
  transform: translateX(0);
}

.scroll-reveal.zoom-in {
  transform: scale(0.9);
}

.scroll-reveal.zoom-in.revealed {
  transform: scale(1);
}

.scroll-reveal.flip-left {
  transform: perspective(1000px) rotateY(-15deg);
  transform-origin: right center;
}

.scroll-reveal.flip-left.revealed {
  transform: perspective(1000px) rotateY(0);
}

.scroll-reveal.flip-right {
  transform: perspective(1000px) rotateY(15deg);
  transform-origin: left center;
}

.scroll-reveal.flip-right.revealed {
  transform: perspective(1000px) rotateY(0);
}

/* Staggered animation delays */
.scroll-reveal.delay-1 { transition-delay: 0.1s; }
.scroll-reveal.delay-2 { transition-delay: 0.2s; }
.scroll-reveal.delay-3 { transition-delay: 0.3s; }
.scroll-reveal.delay-4 { transition-delay: 0.4s; }
.scroll-reveal.delay-5 { transition-delay: 0.5s; }

/* Smooth scroll behavior */
@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

/* ============================================
   20. VISIBILITY UTILITIES
   ============================================ */

.visible-mobile {
  display: none;
}

.visible-tablet {
  display: none;
}

.visible-desktop {
  display: block;
}

@media (max-width: 767px) {
  .visible-mobile {
    display: block;
  }

  .hidden-mobile {
    display: none;
  }

  .visible-desktop {
    display: none;
  }

  .visible-tablet {
    display: none;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .visible-tablet {
    display: block;
  }

  .hidden-tablet {
    display: none;
  }

  .visible-mobile {
    display: none;
  }

  .visible-desktop {
    display: none;
  }
}

@media (min-width: 1024px) {
  .visible-desktop {
    display: block;
  }

  .hidden-desktop {
    display: none;
  }

  .visible-mobile {
    display: none;
  }

  .visible-tablet {
    display: none;
  }
}

/* ============================================
   18. SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--background-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) var(--background-secondary);
}

/* ============================================
   19. SELECTION STYLING
   ============================================ */

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

::-moz-selection {
  background-color: var(--primary-color);
  color: white;
}

/* ============================================
   20. GRADIENT TEXT VISIBILITY FIXES
   ============================================ */

/* Ensure all gradient backgrounds have white text */
[style*="background: linear-gradient"],
[style*="background: var(--gradient"],
.bg-gradient-primary,
.bg-gradient-secondary,
.bg-gradient-accent,
.bg-gradient-success,
.bg-gradient-warning {
  color: #ffffff !important;
}

[style*="background: linear-gradient"] *,
[style*="background: var(--gradient"] *,
.bg-gradient-primary *,
.bg-gradient-secondary *,
.bg-gradient-accent *,
.bg-gradient-success *,
.bg-gradient-warning * {
  color: #ffffff !important;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4), 0 1px 3px rgba(0, 0, 0, 0.3);
}

/* Hero sections and landing areas */
.hero,
.hero-section,
.landing-section,
[class*="hero"],
[class*="banner"] {
  color: #ffffff;
}

.hero *,
.hero-section *,
.landing-section *,
[class*="hero"] *,
[class*="banner"] * {
  color: #ffffff !important;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5), 0 1px 4px rgba(0, 0, 0, 0.3);
}

/* Buttons on gradients remain visible */
.page-header .btn,
[style*="background: linear-gradient"] .btn,
.bg-gradient-primary .btn {
  text-shadow: none;
  font-weight: var(--font-weight-semibold);
}

/* ============================================
   END OF COMMON.CSS
   ============================================ */
  /* Small Mobile (< 480px) */
@media (max-width: 479px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .stat-icon {
    font-size: 2.5rem;
  }

  .stat-number {
    font-size: var(--font-3xl);
  }

  .page-title {
    font-size: var(--font-3xl);
  }

  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
  }
}

/* Mobile (< 768px) - OPTIMIZED */

@media (max-width: 767px) {
  html {
    font-size: 14px;
  }

  .container {
    padding: 0 var(--space-sm);
  }

  .header {
    height: 60px;
  }

  .header-content {
    padding: var(--space-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .club-name {
    font-size: 0.75rem !important;
    white-space: nowrap !important;
    overflow: hidden !important;
    text-overflow: ellipsis !important;
    max-width: calc(100vw - 200px) !important;
  }

  .logo {
    height: 35px;
    width: 35px;
  }

  /* Force mobile menu overlay to be hidden by default */
  .mobile-nav-overlay {
    display: none !important;
    visibility: hidden !important;
    pointer-events: none !important;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .mobile-nav-overlay.active {
    display: flex !important;
    visibility: visible !important;
    pointer-events: auto !important;
    opacity: 1;
  }

  .section {
    padding: var(--space-2xl) 0;
  }

  .header-content {
    padding: var(--space-sm);
  }

  .club-name {
    font-size: var(--font-base);
  }

  .logo {
    height: 35px;
  }

  .nav-menu {
    display: none !important;
  }

  .mobile-menu-toggle {
    display: flex !important;
    visibility: visible !important;
    opacity: 1 !important;
    pointer-events: auto !important;
  }
  
  .mobile-menu-toggle span {
    display: block !important;
  }

  .mobile-nav-overlay {
    display: block;
  }

  .mobile-nav-overlay.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
  }

  .mobile-nav {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    padding: 2rem;
    width: 90%;
    max-width: 400px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.3s ease;
  }

  .mobile-nav-overlay.active .mobile-nav {
    transform: scale(1);
  }

  .mobile-nav-link {
    display: block;
    padding: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
    font-weight: 500;
    text-align: center;
  }

  .mobile-nav-link:hover,
  .mobile-nav-link.active {
    background: var(--primary-color);
    color: white;
  }

  .theme-toggle {
    width: 36px;
    height: 36px;
    margin-left: var(--space-xs);
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }

  .stat-card {
    padding: var(--space-lg);
  }

  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .grid {
    gap: var(--space-md);
  }

  .page-header {
    padding: var(--space-2xl) 0;
    margin-bottom: var(--space-2xl);
  }

  .page-title {
    font-size: var(--font-3xl);
  }

  .page-description {
    font-size: var(--font-base);
  }

  .footer {
    padding: var(--space-2xl) 0 var(--space-md);
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }

  .btn {
    width: 100%;
  }

  .btn-group {
    flex-direction: column;
  }

  .flex-between {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  h1 {
    font-size: var(--font-3xl);
  }

  h2 {
    font-size: var(--font-2xl);
  }

  h3 {
    font-size: var(--font-xl);
  }
}