/* CSS Design System - Glassmorphic Dark Mode */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Outfit', sans-serif;

  /* Color Palette - Cyberpunk Dark Slate & Vibrant Neon */
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-tertiary: #1f2937;
  --text-primary: #f3f4f6;
  --text-secondary: #9ca3af;
  --text-muted: #6b7280;
  
  /* Primary Accent & Brand colors */
  --color-brand: #6366f1; /* Indigo */
  --color-brand-glow: rgba(99, 102, 241, 0.35);
  --color-success: #10b981; /* Emerald */
  --color-danger: #ef4444; /* Red */
  --color-warning: #f59e0b; /* Amber */
  --color-info: #06b6d4; /* Cyan */

  /* Glassmorphism Styles */
  --glass-bg: rgba(17, 24, 39, 0.6);
  --glass-bg-hover: rgba(31, 41, 55, 0.75);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-border-focus: rgba(99, 102, 241, 0.5);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(12px);

  /* Spacing & Borders */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(at 0% 0%, rgba(99, 102, 241, 0.12) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(6, 182, 212, 0.1) 0px, transparent 50%),
    radial-gradient(at 50% 100%, rgba(16, 185, 129, 0.05) 0px, transparent 50%);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Layout Hierarchy */
#app-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 100vh;
  overflow: hidden;
}

/* Sidebar Styling */
aside {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  z-index: 10;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 36px;
}

.brand-icon {
  background: linear-gradient(135deg, var(--color-brand), #8b5cf6);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
}

.brand-name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: linear-gradient(to right, #ffffff, #d1d5db);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.nav-menu {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex-grow: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
}

.nav-item:hover {
  background: var(--glass-bg-hover);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.03);
}

.nav-item.active {
  background: rgba(99, 102, 241, 0.15);
  color: var(--text-primary);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: inset 0 0 12px rgba(99, 102, 241, 0.05);
}

.nav-item svg {
  width: 20px;
  height: 20px;
  stroke-width: 2;
}

.user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
}

.avatar-placeholder {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, #06b6d4, #3b82f6);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-family: var(--font-display);
  font-size: 14px;
}

.profile-info {
  display: flex;
  flex-direction: column;
}

.profile-name {
  font-size: 14px;
  font-weight: 600;
}

.profile-role {
  font-size: 11px;
  color: var(--text-muted);
}

.btn-admin-login {
  margin-left: auto;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-muted);
  border-radius: var(--radius-md);
  padding: 6px 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-admin-login:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-admin-login.admin-active {
  background: rgba(16, 185, 129, 0.15);
  border-color: rgba(16, 185, 129, 0.3);
  color: #10b981;
}

.btn-admin-login.admin-active:hover {
  background: rgba(239, 68, 68, 0.15);
  border-color: rgba(239, 68, 68, 0.3);
  color: #ef4444;
}

.btn-admin-login svg {
  width: 16px;
  height: 16px;
}

/* Main Content Area */
main {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* Top Header Bar */
header {
  padding: 20px 40px;
  background: rgba(11, 15, 25, 0.4);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 5;
}

.header-title-container h1 {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.header-title-container p {
  font-size: 13px;
  color: var(--text-secondary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

/* Button UI Components */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition-fast);
  border: 1px solid transparent;
  outline: none;
}

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

.btn-primary:hover {
  background: #4f46e5;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.45);
}

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

.btn-secondary:hover {
  background: var(--glass-bg-hover);
  border-color: rgba(255, 255, 255, 0.15);
}

.btn-danger-outline {
  background: transparent;
  border-color: rgba(239, 68, 68, 0.3);
  color: var(--color-danger);
}

.btn-danger-outline:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--color-danger);
}

.btn svg {
  width: 16px;
  height: 16px;
  stroke-width: 2.5;
}

/* Screen Wrapper Layouts */
.content-wrapper {
  flex-grow: 1;
  padding: 30px 40px;
  overflow-y: auto;
  position: relative;
}

.screen-view {
  display: none;
  animation: fadeIn var(--transition-normal);
}

.screen-view.active {
  display: block;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

/* 1. Dashboard View Styles */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 30px;
}

.stat-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  position: relative;
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(to right, transparent, var(--stat-color, var(--color-brand)), transparent);
}

.stat-icon {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--stat-color, var(--color-brand));
  font-size: 20px;
}

.stat-details h3 {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  margin-top: 4px;
}

/* Analytics Row */
.analytics-row {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
}

.panel-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* SVG Chart styles */
.chart-container {
  position: relative;
  height: 250px;
  width: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding-top: 20px;
}

.chart-bar-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-grow: 1;
  height: 100%;
  justify-content: flex-end;
  gap: 8px;
}

.chart-bar {
  width: 32px;
  background: linear-gradient(to top, var(--color-brand), #8b5cf6);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  position: relative;
  transition: height 1s cubic-bezier(0.4, 0, 0.2, 1);
  min-height: 4px;
  box-shadow: 0 4px 12px rgba(99, 102, 241, 0.2);
}

.chart-bar:hover {
  filter: brightness(1.2);
  box-shadow: 0 0 16px rgba(99, 102, 241, 0.5);
}

.chart-tooltip {
  position: absolute;
  top: -30px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-tertiary);
  color: var(--text-primary);
  font-size: 10px;
  font-weight: 700;
  padding: 2px 6px;
  border-radius: 4px;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition-fast);
  white-space: nowrap;
  border: 1px solid var(--glass-border);
}

.chart-bar:hover .chart-tooltip {
  opacity: 1;
}

.chart-label {
  font-size: 11px;
  color: var(--text-secondary);
  text-align: center;
  max-width: 60px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Role Distribution Stats List */
.role-distribution-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.role-stat-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.role-stat-header {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}

.role-stat-name {
  font-weight: 500;
  color: var(--text-secondary);
}

.role-stat-count {
  font-weight: 600;
}

.progress-bar-bg {
  height: 6px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(to right, var(--color-info), var(--color-brand));
  border-radius: var(--radius-full);
  transition: width 0.8s ease-in-out;
}

/* 2. Teams Directory Styles */
.search-filter-bar {
  display: flex;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  flex-grow: 1;
}

.search-input-wrapper svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  width: 18px;
  height: 18px;
}

.search-input {
  width: 100%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 12px 16px 12px 48px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition-fast);
}

.search-input:focus {
  border-color: var(--glass-border-focus);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
  background: var(--glass-bg-hover);
}

.select-filter {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 0 16px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  cursor: pointer;
  min-width: 160px;
  transition: var(--transition-fast);
}

.select-filter:focus {
  border-color: var(--glass-border-focus);
}

/* Teams Grid */
.teams-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.team-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-normal);
  cursor: pointer;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  height: 220px;
}

.team-card:hover {
  transform: translateY(-4px);
  border-color: var(--team-theme-color, var(--color-brand));
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4), 0 0 15px rgba(var(--team-theme-color-rgb, 99, 102, 241), 0.15);
}

.team-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.team-avatar {
  width: 52px;
  height: 52px;
  background: rgba(255, 255, 255, 0.03);
  border: 2px solid var(--team-theme-color, var(--color-brand));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  box-shadow: 0 0 16px rgba(var(--team-theme-color-rgb, 99, 102, 241), 0.1);
}

.team-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: var(--radius-full);
  color: var(--text-secondary);
}

.team-card-body {
  margin-top: 16px;
  flex-grow: 1;
}

.team-card-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.2px;
}

.team-card-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.team-card-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding-top: 12px;
}

.team-card-stat {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-secondary);
}

.team-card-stat svg {
  width: 14px;
  height: 14px;
  stroke-width: 2.5;
  color: var(--text-muted);
}

/* Empty State Styling */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 80px 20px;
  text-align: center;
  border: 2px dashed rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-lg);
  background: rgba(17, 24, 39, 0.1);
}

.empty-state-icon {
  width: 64px;
  height: 64px;
  background: var(--bg-tertiary);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 28px;
  margin-bottom: 20px;
  border: 1px solid var(--glass-border);
}

.empty-state-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 6px;
}

.empty-state-desc {
  font-size: 13px;
  color: var(--text-muted);
  max-width: 320px;
  margin-bottom: 20px;
}

/* 3. Team Details Panel & Layout */
.team-details-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 24px;
}

.team-sidebar-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--glass-shadow);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  height: fit-content;
}

.team-sidebar-avatar {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.02);
  border: 3px solid var(--team-theme-color, var(--color-brand));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  margin-bottom: 16px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.team-sidebar-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.team-sidebar-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--bg-tertiary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-top: 6px;
  display: inline-block;
}

.team-metadata-list {
  width: 100%;
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
}

.team-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.team-meta-label {
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.team-meta-val {
  font-size: 14px;
  font-weight: 600;
}

.team-sidebar-actions {
  width: 100%;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 20px;
}

/* Roster Main View */
.roster-panel {
  display: flex;
  flex-direction: column;
}

.roster-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.roster-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}

.player-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.player-row {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  display: grid;
  grid-template-columns: 40px 1.5fr 1fr 1fr 80px 100px;
  align-items: center;
  transition: var(--transition-fast);
}

.player-row:hover {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.15);
}

.player-drag-handle {
  cursor: grab;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.player-drag-handle:active {
  cursor: grabbing;
}

.player-info {
  display: flex;
  flex-direction: column;
}

.player-ign {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.captain-badge {
  background: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.3);
  color: var(--color-warning);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 2px 6px;
  border-radius: 4px;
}

.roll-badge {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: var(--text-secondary);
  font-size: 10px;
  font-weight: 500;
  padding: 1px 5px;
  border-radius: 3px;
  display: inline-block;
}

.player-realname {
  font-size: 12px;
  color: var(--text-muted);
}

.player-role-badge {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  display: inline-block;
  width: fit-content;
}

.player-age {
  font-size: 13px;
  color: var(--text-secondary);
}

.player-row-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  grid-column: 6;
}

.action-icon-btn {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  border-radius: 6px;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.action-icon-btn:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.action-icon-btn.delete-btn:hover {
  background: rgba(239, 68, 68, 0.15);
  color: var(--color-danger);
}

.action-icon-btn svg {
  width: 15px;
  height: 15px;
}

/* 4. Settings View Styles */
.settings-section {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--glass-shadow);
}

.settings-section-title {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: 12px;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.setting-control {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.setting-control label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.setting-control select, 
.setting-control input {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  outline: none;
  font-size: 13px;
}

.setting-control select:focus, 
.setting-control input:focus {
  border-color: var(--glass-border-focus);
}

/* Modals Overlay & Content */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(5, 7, 12, 0.8);
  backdrop-filter: blur(8px);
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-container {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  width: 90%;
  max-width: 500px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  transform: scale(0.9);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
  overflow: hidden;
}

.modal-overlay.active .modal-container {
  transform: scale(1);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-header h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
}

.modal-close {
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

.modal-body {
  padding: 24px;
  max-height: 70vh;
  overflow-y: auto;
}

.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  background: rgba(11, 15, 25, 0.3);
}

/* Form Styles */
.form-group {
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-input {
  background: var(--bg-primary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  color: var(--text-primary);
  font-size: 14px;
  outline: none;
  transition: var(--transition-fast);
}

.form-input:focus {
  border-color: var(--glass-border-focus);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Color Picker Circles */
.color-picker-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.color-option {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 2px solid transparent;
  transition: var(--transition-fast);
}

.color-option:hover {
  transform: scale(1.1);
}

.color-option.selected {
  border-color: #ffffff;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.4);
}

/* Responsive Rules */
@media (max-width: 1024px) {
  #app-layout {
    grid-template-columns: 1fr;
  }
  aside {
    display: none; /* Mobile menu can be expanded or toggle-based, simplified here */
  }
  header {
    padding: 16px 20px;
  }
  .content-wrapper {
    padding: 20px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .analytics-row {
    grid-template-columns: 1fr;
  }
  .team-details-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .search-filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .select-filter {
    width: 100%;
  }
  .player-row {
    grid-template-columns: 30px 1fr 1fr 40px;
    padding: 12px;
  }
  .player-realname, .player-age {
    display: none;
  }
  .player-row-actions {
    grid-column: 4;
  }
}

/* Toast Notifications System styling */
.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  border-left: 4px solid var(--color-brand);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: var(--text-primary);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
  max-width: 400px;
  pointer-events: auto;
  animation: slideInRight var(--transition-fast) forwards;
  margin-top: 10px;
  backdrop-filter: var(--glass-blur);
}

.toast-success {
  border-left-color: var(--color-success);
}

.toast-danger {
  border-left-color: var(--color-danger);
}

.toast-warning {
  border-left-color: var(--color-warning);
}

.toast svg {
  width: 18px;
  height: 18px;
}

/* Group Stage & Bracket Styles */
.groups-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 16px;
}

@media (max-width: 1200px) {
  .groups-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .groups-grid {
    grid-template-columns: 1fr;
  }
}

.group-card {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--glass-shadow);
  backdrop-filter: var(--glass-blur);
  transition: var(--transition-normal);
}

.group-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: 0 12px 32px 0 rgba(0, 0, 0, 0.45);
}

.group-table th, .group-table td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

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

.adv-upper {
  color: var(--color-success) !important;
  font-weight: 600;
}

.group-match-card {
  border: 1px solid var(--glass-border);
  background: var(--glass-bg);
  border-radius: var(--radius-sm);
  padding: 12px;
  transition: var(--transition-fast);
}

.group-match-card:hover {
  border-color: var(--glass-border-focus);
  background: var(--glass-bg-hover);
}

/* Playoffs Bracket UI elements */
.round {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  gap: 24px;
  min-width: 240px;
  position: relative;
}

.match {
  border: 1px solid var(--glass-border);
  background: var(--bg-secondary);
  border-radius: var(--radius-sm);
  padding: 8px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  box-shadow: var(--glass-shadow);
  transition: var(--transition-fast);
}

.match:hover {
  border-color: var(--glass-border-focus);
}

.match-team {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-fast);
}

.match-team:hover {
  background: rgba(255, 255, 255, 0.04);
}

.match-team.winner {
  background: rgba(16, 185, 129, 0.1) !important;
}

.match-team.loser {
  opacity: 0.5;
}

.bracket-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 8px 16px;
  font-weight: 500;
  font-size: 13px;
  border-radius: var(--radius-sm);
  transition: var(--transition-fast);
}

.bracket-tab-btn:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.02);
}

.bracket-tab-btn.active {
  color: white !important;
  background: var(--color-brand) !important;
  box-shadow: 0 0 12px var(--color-brand-glow);
}

/* Spinner animation for Google Sheet Sync */
.spin {
  animation: spin 1s linear infinite;
}

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

/* Mobile Top Navigation Bar */
.mobile-top-bar {
  display: none;
  height: 60px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  z-index: 100;
  position: sticky;
  top: 0;
}

.mobile-top-bar .brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-top-bar .brand-icon {
  background: var(--color-brand);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px var(--color-brand-glow);
}

.mobile-top-bar .brand-icon i, .mobile-top-bar .brand-icon svg {
  width: 16px;
  height: 16px;
}

.mobile-top-bar .brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.5px;
}

/* Drawer Overlay Backdrop */
.drawer-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 999;
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

.drawer-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

/* Responsive Overrides */
@media (max-width: 1024px) {
  #app-layout {
    grid-template-columns: 1fr;
    height: auto;
    overflow: visible;
  }
  
  .mobile-top-bar {
    display: flex;
  }
  
  /* Convert aside to a left drawer overlay */
  aside {
    position: fixed;
    top: 0;
    left: -280px;
    bottom: 0;
    width: 280px;
    z-index: 1000;
    background: var(--bg-secondary);
    border-right: 1px solid var(--glass-border);
    transition: transform var(--transition-normal);
    box-shadow: 20px 0 50px rgba(0, 0, 0, 0.6);
    display: flex !important; /* Override layout none */
    transform: translateX(0);
  }
  
  aside.drawer-active {
    transform: translateX(280px);
  }
  
  .drawer-backdrop {
    display: block;
  }
  
  main {
    padding-bottom: 24px !important;
  }
}