/* 
 * AFNOO - Tournaments
 * Main Stylesheet with Bilingual Support
 * WCAG 2.0 AA Compliant
 */

/* ============================================
   CSS VARIABLES - AFNOO Brand Colors
   Matches https://www.afnoo.org/ (greens from logo)
   ============================================ */
:root {
  /* AFNOO brand - greens from logo */
  --cf-blue-primary: #28724f;   /* AFNOO dark green (primary) */
  --cf-green: #6ab04c;          /* AFNOO light green (secondary) */
  --cf-pink: #40916c;           /* AFNOO accent green (links, focus) */
  
  /* Grayscale */
  --cf-dark: #333333;
  --cf-gray: #555555;
  --cf-light-gray: #f0f4f2;
  --cf-white: #FFFFFF;
  
  /* Semantic Colors */
  --color-success: var(--cf-green);
  --color-error: #C62828;
  --color-warning: #EF6C00;
  --color-info: var(--cf-blue-primary);
  
  /* Typography */
  --font-primary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-accent: 'Poppins', sans-serif;
  
  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
  
  /* Z-index layers */
  --z-header: 1000;
  --z-overlay: 2000;
  --z-modal: 3000;
  --z-tooltip: 4000;
}

/* ============================================
   RESET & BASE STYLES
   ============================================ */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  color: var(--cf-dark);
  background-color: var(--cf-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-accent);
  font-weight: 700;
  line-height: 1.2;
  color: var(--cf-blue-primary);
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: clamp(2rem, 5vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 4vw, 2.25rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

h4 {
  font-size: 1.25rem;
}

p {
  margin-bottom: var(--spacing-md);
}

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

a:hover {
  color: var(--cf-pink);
  text-decoration: underline;
}

a:focus-visible {
  outline: 2px solid var(--cf-pink);
  outline-offset: 2px;
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */
.header {
  background: var(--cf-white);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  padding: var(--spacing-md) 0;
}

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

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.logo-img {
  height: 50px;
  width: auto;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.logo-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--cf-blue-primary);
  margin: 0;
}

.logo-subtitle {
  font-size: 0.75rem;
  color: var(--cf-gray);
  font-weight: 400;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-lg);
  list-style: none;
}

.nav-link {
  font-weight: 600;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.nav-link:hover {
  background-color: var(--cf-light-gray);
  text-decoration: none;
}

/* Nav + language toggle grouped on the right */
.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-left: auto;
}

.header-lang-wrap {
  flex-shrink: 0;
}

/* Language Toggle Button */
.lang-toggle {
  background: var(--cf-pink);
  color: var(--cf-white);
  border: none;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 44px; /* WCAG touch target size */
  min-height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lang-toggle:hover {
  background: var(--cf-blue-primary);
  transform: scale(1.05);
}

.lang-toggle:focus-visible {
  outline: 2px solid var(--cf-pink);
  outline-offset: 2px;
}

/* ============================================
   LAYOUT CONTAINERS
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

.section-alt {
  background-color: var(--cf-light-gray);
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  font-family: var(--font-accent);
  font-weight: 600;
  font-size: 1rem;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  min-height: 44px; /* WCAG touch target */
}

.btn:focus-visible {
  outline: 2px solid var(--cf-pink);
  outline-offset: 2px;
}

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

.btn-primary:hover {
  background: #1b4d3a;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

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

.btn-secondary:hover {
  background: #5a9a3d;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

.btn-accent {
  background: var(--cf-pink);
  color: var(--cf-white);
}

.btn-accent:hover {
  background: #2d6a4f;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  text-decoration: none;
}

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

.btn-outline:hover {
  background: var(--cf-blue-primary);
  color: var(--cf-white);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  background: linear-gradient(135deg, var(--cf-blue-primary) 0%, #1b4d3a 100%);
  color: var(--cf-white);
  text-align: center;
  padding: var(--spacing-2xl) 0;
}

.hero h1 {
  color: var(--cf-white);
  margin-bottom: var(--spacing-md);
}

.hero-tagline {
  font-size: 1.125rem;
  opacity: 0.9;
  margin-bottom: var(--spacing-lg);
}

.hero-intro {
  font-size: 1.125rem;
  max-width: 700px;
  margin: 0 auto var(--spacing-xl);
}

/* ============================================
   TOURNAMENT CARDS
   ============================================ */
.tournament-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-xl);
}

.tournament-card {
  background: var(--cf-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  border-top: 4px solid var(--cf-blue-primary);
}

.tournament-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.tournament-card-title {
  color: var(--cf-blue-primary);
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
}

.tournament-card-subtitle {
  color: var(--cf-pink);
  font-weight: 600;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--spacing-md);
}

.tournament-card-desc {
  color: var(--cf-gray);
  margin-bottom: var(--spacing-lg);
}

.tournament-card:nth-child(2) {
  border-top-color: var(--cf-green);
}

/* ============================================
   QR CODE CONTAINER
   ============================================ */
.qr-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: var(--cf-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.qr-code {
  max-width: 200px;
  height: auto;
}

/* ============================================
   COUNTDOWN TIMER
   ============================================ */
.countdown {
  background: var(--cf-light-gray);
  padding: var(--spacing-xl);
  border-radius: var(--radius-lg);
  text-align: center;
  margin: var(--spacing-xl) 0;
}

.countdown-title {
  color: var(--cf-blue-primary);
  margin-bottom: var(--spacing-lg);
}

.countdown-timer {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.countdown-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 80px;
}

.countdown-value {
  font-size: 3rem;
  font-weight: 700;
  color: var(--cf-pink);
  font-family: var(--font-accent);
  line-height: 1;
}

.countdown-label {
  font-size: 0.875rem;
  color: var(--cf-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: var(--spacing-sm);
}

/* ============================================
   FORMS
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--cf-dark);
  margin-bottom: var(--spacing-sm);
}

.form-label-required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-md);
  font-family: var(--font-primary);
  font-size: 1rem;
  border: 2px solid #E0E0E0;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
  min-height: 44px; /* WCAG */
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--cf-blue-primary);
  box-shadow: 0 0 0 3px rgba(0, 92, 169, 0.1);
}

.form-input:invalid,
.form-select:invalid {
  border-color: var(--color-error);
}

.form-help {
  font-size: 0.875rem;
  color: var(--cf-gray);
  margin-top: var(--spacing-sm);
}

.form-error {
  font-size: 0.875rem;
  color: var(--color-error);
  margin-top: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.form-success {
  font-size: 0.875rem;
  color: var(--color-success);
  margin-top: var(--spacing-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  cursor: pointer;
  padding: var(--spacing-sm) 0;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  cursor: pointer;
  accent-color: var(--cf-blue-primary);
}

.form-checkbox-label,
.form-radio-label {
  font-size: 0.9375rem;
  cursor: pointer;
  user-select: none;
}

/* ============================================
   TABLES
   ============================================ */
.table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  background: var(--cf-white);
}

.table th {
  background: var(--cf-blue-primary);
  color: var(--cf-white);
  font-weight: 600;
  text-align: center;
  padding: var(--spacing-md);
}

.table td {
  padding: 12px var(--spacing-md);
  border-bottom: 1px solid #E0E0E0;
  vertical-align: middle;
  box-sizing: border-box;
}
.table tbody tr {
  height: 48px;
}
.table tbody td {
  height: 48px;
  min-height: 48px;
  max-height: 48px;
  box-sizing: border-box;
  overflow: hidden;
}
/* Participant (name) column: wide enough for ~20 chars + avatar; clip/ellipsis only if longer */
.table th:nth-child(2),
.table td:nth-child(2) {
  min-width: 260px;
  overflow: hidden;
}
.table td:nth-child(2) .participant-cell-inner {
  overflow: hidden;
  min-width: 0;
}
.table td:nth-child(2) .participant-cell-inner > span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
/* Points and Status columns: enough space so they don't overlap */
.table th:nth-child(3),
.table td:nth-child(3) {
  min-width: 100px;
}
.table th:nth-child(4),
.table td:nth-child(4) {
  min-width: 120px;
}
@media (max-width: 768px) {
  .table th,
  .table td {
    padding-left: 1rem;
    padding-right: 1rem;
  }
  .table th:nth-child(2),
  .table td:nth-child(2) {
    min-width: 280px;
  }
  .table th:nth-child(3),
  .table td:nth-child(3) {
    min-width: 100px;
  }
  .table th:nth-child(4),
  .table td:nth-child(4) {
    min-width: 130px;
  }
  /* Bracket page leaderboard: participant column fits ~20 char names */
  .table.leaderboard-table th:nth-child(2),
  .table.leaderboard-table td:nth-child(2) {
    min-width: 280px;
  }
  /* Results page Full Standings: horizontal scroll so columns don't overlap */
  .table.standings-table {
    min-width: 720px;
  }
}

/* Inner wrapper for participant cells: flex must be on a div inside td, not on td, so row height stays correct */
.table .participant-cell-inner {
  display: flex;
  align-items: center;
  gap: 8px;
  overflow: hidden;
  min-width: 0;
}

.table tr:last-child td {
  border-bottom: none;
}

/* Compact inputs inside table cells so row height stays consistent */
.table .form-input.existing-placement-input {
  min-height: 32px;
  padding: 6px 8px;
  font-size: 0.9375rem;
}

.table tbody tr:hover {
  background-color: var(--cf-light-gray);
}

/* ============================================
   BADGES & STATUS
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-success {
  background: rgba(141, 198, 63, 0.1);
  color: var(--cf-green);
}

.badge-error {
  background: rgba(211, 47, 47, 0.1);
  color: var(--color-error);
}

.badge-warning {
  background: rgba(245, 124, 0, 0.1);
  color: var(--color-warning);
}

.badge-info {
  background: rgba(0, 92, 169, 0.1);
  color: var(--cf-blue-primary);
}

/* High contrast on dark background (e.g. bracket tournament card) */
.badge-tournament-status {
  background: rgba(255, 255, 255, 0.95);
  color: #1b4d3a;
  font-weight: 700;
  padding: 0.35rem 0.75rem;
}

.badge-pink {
  background: rgba(230, 0, 126, 0.1);
  color: var(--cf-pink);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--cf-dark);
  color: var(--cf-white);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  text-align: center;
}

.footer-logo {
  max-width: 220px;
  height: auto;
  margin-bottom: var(--spacing-md);
  background: transparent;
}

.footer-org {
  margin: 0 0 var(--spacing-lg);
  font-size: 1rem;
  opacity: 0.95;
}

.footer-funding {
  margin-top: var(--spacing-2xl);
  padding-top: var(--spacing-xl);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
}

.footer-funding-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  opacity: 0.7;
  margin: 0;
}

.footer-funding-logo {
  height: 68px;
  width: auto;
  object-fit: contain;
  opacity: 0.85;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  flex-wrap: wrap;
}

.footer-link {
  color: var(--cf-white);
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.footer-link:hover {
  opacity: 1;
  text-decoration: underline;
}

.footer-compliance,
.footer-copyright {
  font-size: 0.875rem;
  opacity: 0.7;
  margin-top: var(--spacing-md);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

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

.hidden { display: none !important; }
.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;
}

/* ============================================
   LOADING STATES
   ============================================ */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid rgba(0, 92, 169, 0.1);
  border-radius: 50%;
  border-top-color: var(--cf-blue-primary);
  animation: spinner 0.6s linear infinite;
}

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

.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: var(--z-overlay);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  .header {
    padding: var(--spacing-sm) 0;
  }
  
  .header-container {
    padding: 0 var(--spacing-md);
    gap: var(--spacing-sm);
  }
  
  .nav-menu {
    gap: var(--spacing-sm);
  }
  
  .nav-link {
    padding: var(--spacing-sm);
    font-size: 0.875rem;
  }
  
  .logo-container {
    gap: var(--spacing-sm);
  }
  
  .logo-img {
    height: 40px;
  }
  
  .logo-title {
    font-size: 1rem;
  }
  
  .logo-subtitle {
    font-size: 0.65rem;
  }
  
  .header-right {
    gap: var(--spacing-sm);
  }
  
  .tournament-grid {
    grid-template-columns: 1fr;
  }
  
  .countdown-value {
    font-size: 2rem;
  }
  
  .hero {
    padding: var(--spacing-xl) 0;
  }
  
  .section {
    padding: var(--spacing-xl) 0;
  }
}

@media (max-width: 480px) {
  .header {
    padding: var(--spacing-xs) 0 var(--spacing-sm);
  }
  
  .header-container {
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding: 0 var(--spacing-sm);
  }
  
  .logo-container {
    gap: var(--spacing-xs);
  }
  
  .logo-img {
    height: 36px;
  }
  
  .logo-title {
    font-size: 0.9375rem;
  }
  
  .logo-subtitle {
    font-size: 0.6rem;
    line-height: 1.2;
  }
  
  .header-right {
    width: 100%;
    margin-left: 0;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-xs);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
  }
  
  .nav-menu {
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: var(--spacing-xs);
  }
  
  .nav-link {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.8125rem;
  }
  
  .lang-toggle {
    min-width: 40px;
    min-height: 40px;
    font-size: 0.8125rem;
    padding: var(--spacing-xs) var(--spacing-sm);
  }
}

/* Landscape / short viewport: keep header minimal so content has room */
@media (max-height: 500px) {
  .header {
    padding: 0.25rem 0;
  }
  
  .header-container {
    padding: 0 var(--spacing-sm);
    gap: var(--spacing-sm);
    flex-wrap: nowrap;
  }
  
  .logo-container {
    gap: 0.35rem;
  }
  
  .logo-img {
    height: 32px;
  }
  
  .logo-title {
    font-size: 0.875rem;
    line-height: 1.2;
  }
  
  .logo-subtitle {
    font-size: 0.55rem;
    line-height: 1.2;
  }
  
  .logo-text {
    justify-content: center;
  }
  
  .header-right {
    width: auto;
    margin-left: auto;
    padding-top: 0;
    border-top: none;
    gap: var(--spacing-xs);
  }
  
  .nav-menu {
    flex-wrap: nowrap;
    gap: var(--spacing-xs);
  }
  
  .nav-link {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
  }
  
  .lang-toggle {
    min-width: 36px;
    min-height: 36px;
    font-size: 0.75rem;
    padding: 0.2rem 0.4rem;
  }
}

/* ============================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================ */

/* High contrast mode support */
@media (prefers-contrast: high) {
  .btn-primary,
  .btn-secondary,
  .btn-accent {
    border: 2px solid currentColor;
  }
}

/* Reduced motion support */
@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;
  }
}

/* Focus visible only for keyboard navigation */
:focus:not(:focus-visible) {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--cf-pink);
  outline-offset: 2px;
}