/* Design Tokens & Custom Properties */
:root {
  --font-title: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Color Palette - Light Wine Red Theme */
  --bg-dark: #f3f4f6; /* Light grey background */
  --bg-deep: #e5e7eb;
  --bg-card: #ffffff; /* White card */
  --bg-card-hover: #f9fafb;
  --border-glass: #e5e7eb; /* Soft grey border */
  --border-glass-focus: #cbd5e1;

  --primary: #7a0f24; /* Wine Red / Maroon */
  --primary-glow: rgba(122, 15, 36, 0.12);
  --primary-hover: #620a1c;
  
  --secondary: #111827; /* Charcoal/Black badge */
  --secondary-glow: rgba(17, 24, 39, 0.1);
  
  --accent-gold: #b45309; /* Bronze/Gold */
  --accent-gold-glow: rgba(180, 83, 9, 0.2);

  /* Ranks and statuses */
  --color-1st: #ea580c; /* Orange-red classified accent line */
  --color-1st-glow: rgba(234, 88, 12, 0.15);
  --color-2nd: #ea580c; /* Orange-red classified accent line */
  --color-2nd-glow: rgba(234, 88, 12, 0.15);
  --color-3rd: #f59e0b; /* Amber */
  --color-3rd-glow: rgba(245, 158, 11, 0.15);
  --color-eliminated: #9ca3af;
  --color-eliminated-bg: #f9fafb;
  
  --text-muted: #6b7280; /* Muted slate */
  --text-light: #111827; /* Dark text on white/grey cards */
  
  /* Layout and Effects */
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;
  --shadow-premium: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
  --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global Reset & Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-dark);
  background-image: none;
  color: var(--text-light);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Scrollbar Customization */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.03);
}
::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* Typography & Titles */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-title);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #111827;
}

.title-glow {
  color: #ffffff !important;
  text-shadow: none !important;
  background: none !important;
  -webkit-background-clip: initial !important;
  -webkit-text-fill-color: initial !important;
}

/* Main Layout Wrapper */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Header Styles in Maroon */
.app-header {
  padding: 20px 24px;
  background: var(--primary);
  border-bottom: 4px solid #5d0718;
  margin-bottom: 24px;
  border-radius: 0 0 16px 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header-main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.app-header h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: #ffffff;
}

/* Navigation Breadcrumbs inside header */
.breadcrumbs {
  margin-top: 14px;
  overflow-x: auto;
  scrollbar-width: none;
}

.breadcrumbs::-webkit-scrollbar {
  display: none;
}

.breadcrumbs ol {
  display: flex;
  list-style: none;
  gap: 6px;
  align-items: center;
  white-space: nowrap;
}

.breadcrumbs .step {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition-smooth);
  cursor: pointer;
}

.breadcrumbs .step.active {
  color: var(--primary);
  background: #ffffff;
  border-color: #ffffff;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.breadcrumbs .step.completed {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.2);
}

.breadcrumbs .step:not(:last-child)::after {
  content: ' →';
  margin-left: 8px;
  color: rgba(255, 255, 255, 0.4);
  pointer-events: none;
}

.breadcrumbs .step:last-child::after {
  content: '';
}

/* Screen Wrapper & Transitions */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  position: relative;
  margin-bottom: 40px;
}

.screen {
  display: none;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
  width: 100%;
}

.screen.active {
  display: flex;
  flex-direction: column;
  opacity: 1;
  transform: translateY(0);
}

.screen-header {
  margin-bottom: 24px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 16px;
}

.screen-info h2 {
  font-size: 1.6rem;
  margin-bottom: 6px;
  color: #111827;
}

.screen-info p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.progress-badge {
  background: #ffffff;
  border: 1px solid var(--border-glass);
  padding: 8px 16px;
  border-radius: 30px;
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-premium);
}

.progress-badge span {
  color: var(--secondary);
  font-size: 1.1rem;
}

/* Button UI Elements */
.btn {
  font-family: var(--font-title);
  font-weight: 600;
  border-radius: var(--radius-md);
  padding: 10px 20px;
  cursor: pointer;
  transition: var(--transition-smooth);
  border: 1px solid transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.95rem;
}

.btn-large {
  padding: 14px 28px;
  font-size: 1.05rem;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px var(--primary-glow);
}

.btn-primary:hover:not(:disabled) {
  background: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--primary-glow);
}

.btn-secondary {
  background: var(--secondary);
  color: #fff;
  box-shadow: 0 4px 14px var(--secondary-glow);
}

.btn-secondary:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-success {
  background: var(--color-1st);
  color: #fff;
  box-shadow: 0 4px 14px var(--color-1st-glow);
}

.btn-success:hover:not(:disabled) {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-outline {
  background: #ffffff;
  border-color: #cbd5e1;
  color: var(--text-light);
}

.btn-outline:hover:not(:disabled) {
  background: #f1f5f9;
  border-color: #94a3b8;
  color: var(--text-light);
}

.btn-link {
  background: none;
  border: none;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  text-decoration: underline;
  cursor: pointer;
  transition: var(--transition-smooth);
  padding: 4px 8px;
}

.btn-link:hover {
  color: #ffffff;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   PANTALLA 0: MODE SELECTION
   ========================================================================== */
.mode-selection-wrapper {
  max-width: 900px;
  margin: 40px auto;
  text-align: center;
}

.welcome-text {
  margin-bottom: 40px;
}

.welcome-text h2 {
  font-size: 2.2rem;
  margin-bottom: 12px;
  color: var(--primary);
}

.welcome-text p {
  color: var(--text-muted);
  font-size: 1.1rem;
  line-height: 1.6;
}

.mode-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
}

.mode-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px 30px;
  text-align: center;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.mode-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: transparent;
  transition: var(--transition-smooth);
}

.mode-card:hover {
  background: var(--bg-card-hover);
  transform: translateY(-8px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-premium);
}

#mode-direct-card:hover::before {
  background: linear-gradient(90deg, var(--primary), var(--secondary));
}

#mode-results-card:hover::before {
  background: linear-gradient(90deg, var(--secondary), var(--color-1st));
}

.mode-icon {
  font-size: 3.5rem;
  margin-bottom: 10px;
}

.mode-card h3 {
  font-size: 1.5rem;
  color: var(--text-light);
}

.mode-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
  margin-bottom: 16px;
  flex: 1;
}

/* ==========================================================================
   PANTALLA 1 & 1B: PHASE OF GROUPS (GRID LAYOUT)
   ========================================================================== */
.groups-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(310px, 1fr));
  gap: 24px;
  margin-bottom: 30px;
}

/* Group Card Glassmorphism */
.group-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: var(--transition-smooth);
}

.group-card:hover {
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.group-header {
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 10px;
  margin-bottom: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.group-header h3 {
  font-size: 1.3rem;
  color: var(--text-light);
}

.group-status-badge {
  font-size: 0.75rem;
  padding: 4px 8px;
  border-radius: 12px;
  font-weight: 600;
  text-transform: uppercase;
}

.group-status-badge.pending {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-glass);
}

.group-status-badge.complete {
  background: rgba(16, 185, 129, 0.1);
  color: var(--color-1st);
  border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Team Rows inside Group (Direct Mode) */
.team-selection-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px 10px 16px;
  border-radius: var(--radius-md);
  margin-bottom: 8px;
  background: #ffffff;
  border: 1px solid #e5e7eb;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
}

.team-selection-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: transparent;
  transition: var(--transition-smooth);
}

.team-info {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
  overflow: hidden;
}

.flag-icon {
  width: 28px;
  height: 18px;
  object-fit: cover;
  border-radius: 2px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  background-color: rgba(0,0,0,0.05);
}

.team-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 130px;
}

/* Row status badges like the screenshot */
.row-status-badge {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
  margin-left: 8px;
  display: inline-block;
  white-space: nowrap;
}

.row-status-badge.classified {
  background: #111827; /* Dark/black classified badge */
  color: #ffffff;
}

.row-status-badge.third-place {
  background: #374151; /* Grey badge */
  color: #ffffff;
}

.row-status-badge.eliminated {
  background: #9ca3af; /* Light grey badge */
  color: #ffffff;
}

/* Position Clickable Buttons */
.position-selector {
  display: flex;
  gap: 4px;
}

.pos-btn {
  background: #f3f4f6;
  border: 1px solid #d1d5db;
  color: #4b5563;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.pos-btn:hover {
  background: #e5e7eb;
  color: #111827;
}

/* Applied standing color states with left vertical line like Switzerland/Bosnia in mock */
.team-selection-row.rank-1 {
  background: #ffffff;
}
.team-selection-row.rank-1::before {
  background: #ea580c; /* Orange-red line */
}
.team-selection-row.rank-1 .pos-btn[data-pos="1"] {
  background: #111827;
  color: #ffffff;
  border-color: #111827;
}

.team-selection-row.rank-2 {
  background: #ffffff;
}
.team-selection-row.rank-2::before {
  background: #ea580c; /* Orange-red line */
}
.team-selection-row.rank-2 .pos-btn[data-pos="2"] {
  background: #111827;
  color: #ffffff;
  border-color: #111827;
}

.team-selection-row.rank-3 {
  background: #ffffff;
}
.team-selection-row.rank-3::before {
  background: #f59e0b; /* Amber line */
}
.team-selection-row.rank-3 .pos-btn[data-pos="3"] {
  background: #374151;
  color: #ffffff;
  border-color: #374151;
}

.team-selection-row.eliminated {
  background: #f9fafb;
  opacity: 0.55;
}
.team-selection-row.eliminated::before {
  background: transparent;
}

/* Results Mode (Match List) */
.matches-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
}

.match-row {
  display: grid;
  grid-template-columns: 1fr 40px 14px 40px 1fr;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.match-team {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
}

.match-team.home {
  justify-content: flex-end;
  text-align: right;
}
.match-team.home .team-name-abbr {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.match-team.away {
  justify-content: flex-start;
  text-align: left;
}

.score-input {
  width: 40px;
  height: 28px;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-glass);
  color: #fff;
  border-radius: var(--radius-sm);
  text-align: center;
  font-weight: 700;
  font-size: 0.9rem;
  outline: none;
  transition: var(--transition-smooth);
}

.score-input:focus {
  border-color: var(--primary);
  background: rgba(0,0,0,0.5);
  box-shadow: 0 0 8px var(--primary-glow);
}

.score-input::-webkit-inner-spin-button, 
.score-input::-webkit-outer-spin-button { 
  -webkit-appearance: none; 
  margin: 0; 
}

.match-vs {
  text-align: center;
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* Standings Table inside Group Card */
.mini-standings {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
}

.mini-standings th, 
.mini-standings td {
  padding: 6px 4px;
  font-size: 0.75rem;
  text-align: center;
}

.mini-standings th {
  color: var(--text-muted);
  font-weight: 600;
  border-bottom: 1px solid var(--border-glass);
  text-transform: uppercase;
}

.mini-standings td.team-name-col {
  text-align: left;
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 500;
  white-space: nowrap;
}

.mini-standings tr.pos-1 td.team-name-col::before {
  content: '1';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-1st);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
}

.mini-standings tr.pos-2 td.team-name-col::before {
  content: '2';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-2nd);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
}

.mini-standings tr.pos-3 td.team-name-col::before {
  content: '3';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-3rd);
  color: #000;
  font-size: 0.65rem;
  font-weight: 800;
}

.mini-standings tr.pos-4 td.team-name-col::before {
  content: '4';
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-eliminated);
  color: rgba(255,255,255,0.6);
  font-size: 0.65rem;
  font-weight: 800;
}

.mini-standings tr {
  border-bottom: 1px solid rgba(255,255,255,0.02);
  transition: var(--transition-smooth);
}

.mini-standings tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.mini-standings td.pts-bold {
  font-weight: 700;
  color: #fff;
}

.mini-standings tr.pos-1 { background: rgba(16, 185, 129, 0.02); }
.mini-standings tr.pos-2 { background: rgba(59, 130, 246, 0.02); }
.mini-standings tr.pos-3 { background: rgba(245, 158, 11, 0.02); }
.mini-standings tr.pos-4 { opacity: 0.5; }

/* Screen Footer */
.screen-footer {
  display: flex;
  justify-content: flex-end;
  padding: 24px 0;
  border-top: 1px solid var(--border-glass);
  margin-top: 20px;
}

/* ==========================================================================
   PANTALLA 2: SELECTION OF 8 BEST THIRDS
   ========================================================================== */
.thirds-content-wrapper {
  margin-bottom: 30px;
}

.table-premium {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-premium);
}

.table-premium th, 
.table-premium td {
  padding: 14px 20px;
  text-align: left;
}

.table-premium th {
  background: rgba(255,255,255,0.02);
  color: var(--text-muted);
  font-family: var(--font-title);
  font-weight: 600;
  border-bottom: 1px solid var(--border-glass);
  font-size: 0.9rem;
  text-transform: uppercase;
}

.table-premium td {
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
}

.table-premium tbody tr {
  transition: var(--transition-smooth);
}

.table-premium tbody tr.third-row-selectable {
  cursor: pointer;
}

.table-premium tbody tr:hover {
  background: var(--bg-card-hover);
}

.table-premium td.results-col {
  text-align: center;
  font-size: 0.9rem;
}

.table-premium td.pts-col {
  font-weight: 700;
  text-align: center;
}

.team-cell {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
}

/* Status badging for thirds table */
.status-pill {
  padding: 6px 12px;
  border-radius: 30px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.status-pill.selected {
  background: rgba(16, 185, 129, 0.15);
  color: var(--color-1st);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.pending {
  background: rgba(245, 158, 11, 0.1);
  color: var(--color-3rd);
  border: 1px solid rgba(245, 158, 11, 0.2);
}

.status-pill.eliminated {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-muted);
  border: 1px solid var(--border-glass);
}

/* Row states for interactive choice */
.table-premium tr.selected-row {
  background: rgba(16, 185, 129, 0.04);
}
.table-premium tr.selected-row td {
  border-bottom-color: rgba(16, 185, 129, 0.15);
}

.table-premium tr.eliminated-row {
  opacity: 0.4;
  background: rgba(0, 0, 0, 0.1);
}

/* ==========================================================================
   PANTALLA 3: BRACKET STAGE
   ========================================================================== */
.flex-header {
  align-items: center;
}

.header-buttons {
  display: flex;
  gap: 12px;
}

/* Pestañas de Navegación de Rondas */
.bracket-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
  background: rgba(255, 255, 255, 0.02);
  padding: 6px;
  border-radius: 30px;
  border: 1px solid var(--border-glass);
  flex-wrap: wrap;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 20px;
  cursor: pointer;
  transition: var(--transition-smooth);
}

.tab-btn:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 0 10px var(--primary-glow);
}

/* Bracket View Toggle Buttons Control */
.bracket-view-toggle-grp {
  display: flex;
  background: #e5e7eb;
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
  gap: 4px;
  align-self: center;
}

.bracket-view-toggle-grp .btn-toggle {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.8rem;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.bracket-view-toggle-grp .btn-toggle:hover {
  color: var(--text-light);
  background: rgba(255, 255, 255, 0.4);
}

.bracket-view-toggle-grp .btn-toggle.active {
  color: var(--primary);
  background: #ffffff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Bracket Tree View Container */
.bracket-tree-view-container {
  width: 100%;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 10px;
}

.bracket-tree-wrapper {
  display: flex;
  gap: 40px;
  min-height: 1250px;
  padding: 20px 10px;
  width: max-content;
}

.bracket-tree-column {
  display: flex;
  flex-direction: column;
  width: 260px;
  flex-shrink: 0;
}

.bracket-column-title-tree {
  text-align: center;
  font-family: var(--font-title);
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 16px;
  background: #ffffff;
  border: 1px solid var(--border-glass);
  padding: 8px;
  border-radius: var(--radius-md);
  font-weight: 700;
  box-shadow: var(--shadow-premium);
}

.bracket-tree-matches-container {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  flex: 1;
}

.finals-tree-layout {
  justify-content: center;
  gap: 50px;
  align-items: center;
}

.bracket-view-container {
  width: 100%;
  padding: 10px 0;
}

.bracket-wrapper {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  padding: 10px;
  height: auto;
}

/* Finals tab layout structure */
.bracket-wrapper.finals-layout {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}

.bracket-wrapper.finals-layout .bracket-match {
  width: 280px;
  flex-shrink: 0;
}


.bracket-column-title {
  text-align: center;
  font-family: var(--font-title);
  font-size: 1.1rem;
  color: var(--text-light);
  margin-bottom: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-glass);
  padding: 10px;
  border-radius: var(--radius-md);
  font-weight: 700;
  box-shadow: 0 4px 6px rgba(0,0,0,0.15);
  position: sticky;
  top: 0;
  z-index: 10;
}

/* Match box card in bracket */
.bracket-match {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 6px 10px; /* More compact padding */
  position: relative;
  transition: var(--transition-smooth);
  box-shadow: 0 4px 12px rgba(0,0,0,0.25);
  display: flex;
  flex-direction: column;
  gap: 4px; /* Reduced gap */
}

.bracket-match:hover {
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 6px 18px rgba(0,0,0,0.35);
  transform: translateY(-2px);
}

.bracket-match-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.68rem; /* Slightly smaller text */
  color: var(--text-muted);
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding-bottom: 3px; /* More compact */
  font-weight: 500;
}

.bracket-match-venue {
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Team row inside match box styled as a distinct button */
.bracket-team-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: #f9fafb; /* Light grey button style */
  border: 1px solid #e5e7eb;
  cursor: pointer;
  transition: var(--transition-smooth);
  margin-bottom: 6px;
}

.bracket-team-row:hover:not(.loser):not(.empty-placeholder) {
  background: #f1f5f9;
  border-color: #cbd5e1;
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

.bracket-team-row.winner {
  background: var(--primary); /* Wine Red */
  border-color: var(--primary);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 2px 8px var(--primary-glow);
}

.bracket-team-row.winner .team-name {
  color: #ffffff;
}

.bracket-team-row.loser {
  opacity: 0.45;
  background: #f3f4f6;
  border-color: #e5e7eb;
}

.bracket-team-row.empty-placeholder {
  background: #ffffff;
  border: 1px dashed #cbd5e1;
  cursor: not-allowed;
  opacity: 0.6;
}

.bracket-team-left {
  display: flex;
  align-items: center;
  gap: 8px; /* Slightly tighter gap */
  flex: 1;
  overflow: hidden;
}

.bracket-team-left .team-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.85rem; /* Better readability */
  font-weight: 600;
}

.bracket-team-status {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid #cbd5e1;
  background: #ffffff;
  transition: var(--transition-smooth);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bracket-team-row.winner .bracket-team-status {
  border-color: #ffffff;
  background: #ffffff;
}

.bracket-team-row.winner .bracket-team-status::after {
  content: '✓';
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: center;
}

.bracket-team-row.empty-placeholder .bracket-team-status {
  border-style: dashed;
  background: transparent;
}

/* Special styling for Central Column (Final & Trophy) */
.center-final-column {
  justify-content: center;
  gap: 40px;
}

.trophy-center-display {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 14px;
  padding: 20px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.06) 0%, transparent 70%);
  border-radius: 50%;
}

.trophy-glow {
  filter: drop-shadow(0 0 15px var(--accent-gold-glow));
  animation: pulse TrophyGlow 3s infinite alternate;
}

@keyframes TrophyGlow {
  0% {
    transform: scale(1);
    filter: drop-shadow(0 0 10px rgba(251, 191, 36, 0.3));
  }
  100% {
    transform: scale(1.05);
    filter: drop-shadow(0 0 25px rgba(251, 191, 36, 0.6));
  }
}

.center-final-column .bracket-match {
  border-color: rgba(251, 191, 36, 0.2);
  box-shadow: 0 8px 32px rgba(251, 191, 36, 0.1);
}

.center-final-column .bracket-match:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 12px 40px rgba(251, 191, 36, 0.2);
}

/* Connecting Lines (CSS based fallback/decoration) */
/* (We keep it clean and neat; each card has uniform padding and heights, making connecting logic clean) */

/* ==========================================================================
   PANTALLA 4: CHAMPION SUMMARY
   ========================================================================== */
.champion-summary-wrapper {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
  max-width: 1100px;
  margin: 30px auto;
  align-items: start;
  width: 100%;
}

.summary-left-pane,
.summary-right-pane {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.champion-celebration {
  background: linear-gradient(180deg, rgba(251, 191, 36, 0.05) 0%, rgba(0,0,0,0) 100%);
  padding: 40px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(251, 191, 36, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  box-shadow: var(--shadow-premium);
}

.trophy-glow-container {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(251, 191, 36, 0.08);
  border-radius: 50%;
  border: 1px solid rgba(251, 191, 36, 0.15);
  box-shadow: 0 0 40px rgba(251, 191, 36, 0.15);
  animation: TrophyGlow 3s infinite alternate;
}

.winner-title {
  font-size: 1.8rem;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  text-shadow: 0 0 15px rgba(251, 191, 36, 0.3);
}

.champion-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 16px 32px;
  background: #ffffff;
  border: 1px solid var(--border-glass-focus);
  border-radius: var(--radius-md);
  margin-top: 10px;
  box-shadow: var(--shadow-premium);
}

.champion-flag-big {
  width: 60px;
  height: 40px;
  object-fit: cover;
  border-radius: 4px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

#champion-name {
  font-size: 2.2rem;
  font-family: var(--font-title);
  font-weight: 800;
  color: var(--primary);
}

/* Timeline path */
.champion-path-container {
  text-align: left;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 30px;
  box-shadow: var(--shadow-premium);
}

.champion-path-container h3 {
  font-size: 1.25rem;
  color: var(--text-light);
  margin-bottom: 24px;
  text-align: center;
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 12px;
}

.path-timeline {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
  padding-left: 30px;
}

.path-timeline::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-gold) 0%, var(--primary) 50%, var(--secondary) 100%);
}

.timeline-item {
  position: relative;
}

.timeline-dot {
  position: absolute;
  left: -25px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 2px solid var(--primary);
  box-shadow: 0 0 6px var(--primary-glow);
}

.timeline-item:first-child .timeline-dot {
  border-color: var(--accent-gold);
  box-shadow: 0 0 8px var(--accent-gold-glow);
  width: 14px;
  height: 14px;
  left: -26px;
  top: 5px;
}

.timeline-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 18px;
  background: #f9fafb;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  transition: var(--transition-smooth);
}

.timeline-content:hover {
  background: #f1f5f9;
  border-color: var(--border-glass-focus);
}

.timeline-round {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.round-name {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-light);
}

.round-venue {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.timeline-vs {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.vs-text {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  white-space: nowrap;
}

.opponent-flag {
  width: 24px;
  height: 15px;
  object-fit: cover;
  border-radius: 1px;
  flex-shrink: 0;
}

.opponent-name {
  font-weight: 600;
  color: var(--text-light);
  white-space: nowrap;
}

.summary-actions-bottom {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
  width: 100%;
}

/* Podium Styles */
.podium-card-wrapper {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-premium);
  margin-top: 20px;
  text-align: left;
}

.podium-card-wrapper h3 {
  font-size: 1.25rem;
  color: var(--text-light);
  border-bottom: 1px solid var(--border-glass);
  padding-bottom: 10px;
  margin-bottom: 16px;
  text-align: center;
}

.podium-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.podium-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid var(--border-glass);
  transition: var(--transition-smooth);
}

.podium-item.gold {
  border-color: rgba(251, 191, 36, 0.3);
  background: rgba(251, 191, 36, 0.02);
}

.podium-item.silver {
  border-color: rgba(148, 163, 184, 0.3);
  background: rgba(148, 163, 184, 0.02);
}

.podium-item.bronze {
  border-color: rgba(180, 83, 9, 0.3);
  background: rgba(180, 83, 9, 0.02);
}

.podium-item.fourth {
  border-color: rgba(148, 163, 184, 0.15);
  background: rgba(255, 255, 255, 0.01);
}

.podium-item .medal {
  font-size: 1.5rem;
}

.podium-item .label {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-transform: uppercase;
  width: 90px;
}

.podium-team {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-light);
}

.podium-team-double {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-light);
}

.podium-team-double .separator {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  margin: 0 4px;
}

/* Footer Section */
.app-footer {
  text-align: center;
  padding: 24px 0;
  border-top: 1px solid var(--border-glass);
  color: var(--text-muted);
  font-size: 0.8rem;
  margin-top: auto;
}

.bracket-nav-footer {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: 30px;
  padding-top: 20px;
  border-top: 1px solid var(--border-glass);
  width: 100%;
}

/* ==========================================================================
   RESPONSIVE LAYOUT & MEDIA QUERIES
   ========================================================================== */

/* Tablet & Mobile Screens */
@media (max-width: 900px) {
  body {
    padding: 0 8px;
  }
  
  .app-container {
    padding: 0;
  }
  
  .app-header h1 {
    font-size: 1.5rem;
    text-align: center;
  }

  .header-main {
    justify-content: center;
  }

  .screen-header {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
    margin-bottom: 16px;
  }
  
  .progress-badge {
    align-self: flex-start;
    padding: 6px 12px;
    font-size: 0.8rem;
  }

  .mode-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  /* Table premium mobile adaptations */
  .table-premium th, 
  .table-premium td {
    padding: 8px 10px;
    font-size: 0.8rem;
  }
  
  .table-premium td.results-col,
  .table-premium th.results-col {
    display: none; /* Hide intermediate stats on mobile table */
  }

  .status-pill {
    padding: 3px 8px;
    font-size: 0.65rem;
  }

  .team-cell {
    gap: 8px;
  }

  /* Bracket Round Tabs scrollable on mobile */
  .bracket-tabs {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 4px;
    scrollbar-width: none; /* Firefox */
  }
  
  .bracket-tabs::-webkit-scrollbar {
    display: none; /* Chrome/Safari */
  }

  .tab-btn {
    flex-shrink: 0;
    padding: 6px 14px;
    font-size: 0.8rem;
  }

  /* Bracket layout adapt for mobile (1 column grid) */
  .bracket-wrapper {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 4px;
  }

  .bracket-wrapper.finals-layout {
    flex-direction: column;
    gap: 20px;
    align-items: center;
  }

  .bracket-wrapper.finals-layout .bracket-match {
    width: 100%;
  }

  .bracket-match {
    padding: 8px 10px;
  }

  .bracket-team-row {
    padding: 6px 8px;
  }

  .bracket-team-left .team-name {
    font-size: 0.85rem;
  }

  /* Champion summary mobile stacking */
  .champion-summary-wrapper {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .champion-celebration {
    padding: 24px 16px;
  }

  .winner-title {
    font-size: 1.4rem;
  }

  #champion-name {
    font-size: 1.8rem;
  }

  .champion-card {
    padding: 12px 24px;
  }

  .podium-card-wrapper {
    padding: 16px;
    margin-top: 16px;
  }

  .podium-item {
    padding: 8px 12px;
  }

  .podium-item .label {
    width: 80px;
    font-size: 0.75rem;
  }

  .podium-team {
    font-size: 0.9rem;
  }

  .champion-path-container {
    padding: 16px;
  }

  .summary-actions-bottom {
    flex-direction: column;
    gap: 12px;
  }

  .bracket-nav-footer {
    gap: 12px;
  }
}

/* Extra small devices / Mobile optimizations */
@media (max-width: 600px) {
  /* Group cards layout compacting */
  .groups-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .group-card {
    padding: 12px;
    border-radius: var(--radius-md);
  }

  .group-header {
    margin-bottom: 10px;
    padding-bottom: 6px;
  }

  .group-header h3 {
    font-size: 1.1rem;
  }

  .team-selection-row {
    padding: 6px 8px 6px 12px;
    margin-bottom: 6px;
  }

  .team-info {
    gap: 8px;
  }

  .team-name {
    font-size: 0.85rem;
    max-width: 110px;
  }

  .pos-btn {
    padding: 4px 8px;
    font-size: 0.7rem;
  }
  
  /* Match row in results mode */
  .match-row {
    grid-template-columns: 1fr 34px 12px 34px 1fr;
    padding: 4px 6px;
  }

  .score-input {
    width: 34px;
    height: 24px;
    font-size: 0.8rem;
  }

  .breadcrumbs ol {
    gap: 4px;
  }
  
  .breadcrumbs .step {
    font-size: 0.75rem;
    padding: 4px 10px;
  }
  
  .timeline-content {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    padding: 10px 12px;
  }
  
  .timeline-vs {
    align-self: flex-end;
    font-size: 0.8rem;
  }

  .bracket-nav-footer {
    flex-direction: column;
    gap: 10px;
  }
  .bracket-nav-footer .btn {
    width: 100%;
  }
}