/* ==========================================================================
   PRASKADA JOTA-JOTI 2026 CHALLENGE HUB — DESIGN SYSTEM
   Theme: Scout Heritage (Pine Green, Deep Slate, Gold/Amber Accents)
   Accessible, Responsive, Custom Scrollbar, Token-Driven
   ========================================================================== */

/* --------------------------------------------------------------------------
   Tokens & Variables
   -------------------------------------------------------------------------- */
:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', Consolas, monospace;

  /* Spacing Scale (4px baseline) */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;

  /* Border Radii */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 14px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.18);
  --shadow-glow: 0 0 20px rgba(34, 197, 94, 0.25);

  /* Transitions */
  --trans-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --trans-base: 220ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Dimensions */
  --header-height: 64px;
  --sidebar-width: 320px;
}

/* Dark Theme (Default) */
html[data-theme="dark"] {
  --bg-canvas: #0b120f;
  --bg-surface: #121c17;
  --bg-surface-elevated: #17241e;
  --bg-surface-hover: #1e2f27;
  --bg-input: #0e1713;
  --border-subtle: #1f3328;
  --border-strong: #2c493a;
  --border-focus: #22c55e;

  --text-primary: #f0f5f2;
  --text-secondary: #a3baa9;
  --text-muted: #6e8876;
  --text-inverse: #0b120f;

  --color-primary: #22c55e;
  --color-primary-hover: #16a34a;
  --color-primary-subtle: rgba(34, 197, 94, 0.12);
  --color-primary-border: rgba(34, 197, 94, 0.35);

  --color-gold: #f59e0b;
  --color-gold-subtle: rgba(245, 158, 11, 0.15);
  --color-sky: #38bdf8;
  --color-sky-subtle: rgba(56, 189, 248, 0.15);
  --color-purple: #a855f7;
  --color-purple-subtle: rgba(168, 85, 247, 0.15);
  --color-danger: #ef4444;
  --color-danger-subtle: rgba(239, 68, 68, 0.15);

  --card-claimed-bg: rgba(34, 197, 94, 0.05);
  --card-claimed-border: #1e4d34;
  --card-pending-bg: rgba(245, 158, 11, 0.03);
  --card-pending-border: #3d3420;

  --skeleton-base: #14201a;
  --skeleton-highlight: #1d2e25;
}

/* Light Theme */
html[data-theme="light"] {
  --bg-canvas: #f4f7f5;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #eaf0ec;
  --bg-surface-hover: #e0e9e3;
  --bg-input: #ffffff;
  --border-subtle: #d3dfd7;
  --border-strong: #acc0b4;
  --border-focus: #16a34a;

  --text-primary: #0f1e16;
  --text-secondary: #3b5747;
  --text-muted: #6c8677;
  --text-inverse: #ffffff;

  --color-primary: #16a34a;
  --color-primary-hover: #15803d;
  --color-primary-subtle: rgba(22, 163, 74, 0.1);
  --color-primary-border: rgba(22, 163, 74, 0.3);

  --color-gold: #d97706;
  --color-gold-subtle: rgba(217, 119, 6, 0.12);
  --color-sky: #0284c7;
  --color-sky-subtle: rgba(2, 132, 199, 0.1);
  --color-purple: #7e22ce;
  --color-purple-subtle: rgba(126, 34, 206, 0.1);
  --color-danger: #dc2626;
  --color-danger-subtle: rgba(220, 38, 38, 0.1);

  --card-claimed-bg: rgba(22, 163, 74, 0.06);
  --card-claimed-border: #86efac;
  --card-pending-bg: rgba(217, 119, 6, 0.04);
  --card-pending-border: #fde68a;

  --skeleton-base: #e2e8e4;
  --skeleton-highlight: #edf2ee;
}

/* --------------------------------------------------------------------------
   Custom Scrollbar (Fix System Default Scrollbar)
   -------------------------------------------------------------------------- */
::-webkit-scrollbar {
  width: 9px;
  height: 9px;
}

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

::-webkit-scrollbar-thumb {
  background: var(--border-strong);
  border-radius: var(--radius-full);
  border: 2px solid var(--bg-canvas);
}

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

* {
  scrollbar-width: thin;
  scrollbar-color: var(--border-strong) var(--bg-canvas);
}

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

html, body {
  min-height: 100%;
  font-family: var(--font-sans);
  background-color: var(--bg-canvas);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

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

a:hover {
  text-decoration: underline;
}

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

/* Confetti Canvas */
#confettiCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
}

/* --------------------------------------------------------------------------
   App Layout
   -------------------------------------------------------------------------- */
.app-layout {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Upper Bar (Header)
   -------------------------------------------------------------------------- */
.upper-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-4);
  gap: var(--space-4);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.upper-bar-left {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  min-width: 0;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background-color: transparent;
  border: 1px solid transparent;
  transition: all var(--trans-fast);
  flex-shrink: 0;
}

.icon-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
  border-color: var(--border-subtle);
}

.brand-link {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: inherit;
}

.brand-logo {
  border-radius: var(--radius-sm);
  object-fit: cover;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

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

.brand-title {
  font-weight: 800;
  font-size: 1.05rem;
  letter-spacing: 0.04em;
  color: var(--text-primary);
  line-height: 1.1;
}

.brand-sub {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

/* Search Box */
.upper-bar-center {
  flex: 1;
  max-width: 480px;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
}

.search-icon {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
  pointer-events: none;
}

.search-box input {
  width: 100%;
  height: 40px;
  padding: 0 36px 0 38px;
  border-radius: var(--radius-md);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.9rem;
  transition: all var(--trans-fast);
}

.search-box input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.search-clear-btn {
  position: absolute;
  right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  color: var(--text-muted);
}

.search-clear-btn:hover {
  color: var(--text-primary);
}

/* Upper Bar Right */
.upper-bar-right {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.quick-stat-pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-bullet {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-primary);
  box-shadow: 0 0 8px var(--color-primary);
}

/* Credit Button */
.credit-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 700;
  transition: all var(--trans-fast);
}

.credit-btn i {
  width: 15px;
  height: 15px;
  color: var(--color-gold);
}

.credit-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Theme toggle */
.theme-toggle .light-icon {
  display: none;
}
html[data-theme="light"] .theme-toggle .dark-icon {
  display: none;
}
html[data-theme="light"] .theme-toggle .light-icon {
  display: block;
}

/* User chip */
.user-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 5px 12px 5px 6px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-fast);
  color: var(--text-primary);
}

.user-chip:hover {
  border-color: var(--border-strong);
  background-color: var(--bg-surface-hover);
}

.user-avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  font-size: 14px;
}

.user-name-text {
  font-weight: 600;
  font-size: 0.85rem;
  max-width: 110px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chip-chevron {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Collapsible Sidebar
   -------------------------------------------------------------------------- */
/* Sidebar Backdrop for Mobile & Desktop overlay */
.sidebar-backdrop {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(3, 8, 5, 0.75);
  backdrop-filter: blur(10px) saturate(160%);
  -webkit-backdrop-filter: blur(10px) saturate(160%);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s cubic-bezier(0.16, 1, 0.3, 1), backdrop-filter 0.35s ease;
}

.sidebar-backdrop.open,
.sidebar-backdrop.active {
  opacity: 1;
  pointer-events: auto;
  cursor: pointer;
}

/* Background blur when sidebar is open */
body.sidebar-open .main-content,
body.sidebar-open .upper-bar,
body.sidebar-open .app-footer {
  filter: blur(6px);
  pointer-events: none;
  user-select: none;
  transition: filter 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Elevated 3D Floating Sidebar */
.side-bar {
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  width: min(340px, 86vw);
  background: linear-gradient(165deg, rgba(16, 26, 21, 0.98), rgba(10, 18, 14, 0.99));
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-right: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 1002;
  display: flex;
  flex-direction: column;
  transform: translateX(-105%);
  transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.38s ease;
}

.side-bar.open {
  transform: translateX(0) scale(1.005);
  box-shadow: 
    0 25px 60px -10px rgba(0, 0, 0, 0.85),
    20px 0 50px -10px rgba(18, 55, 38, 0.4),
    0 0 0 1px rgba(255, 255, 255, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.sidebar-header {
  height: var(--header-height);
  padding: 0 var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.sidebar-profile {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.sidebar-avatar-wrap {
  position: relative;
  width: 38px;
  height: 38px;
}

.sidebar-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: var(--radius-sm);
  object-fit: cover;
}

.avatar-badge {
  position: absolute;
  bottom: -4px;
  right: -4px;
  font-size: 12px;
}

.sidebar-user-meta {
  display: flex;
  flex-direction: column;
}

.user-display-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
}

.user-role-badge {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 500;
}

.sidebar-close-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--text-muted);
}

.sidebar-close-btn:hover {
  color: var(--text-primary);
  background-color: var(--bg-surface-hover);
}

.sidebar-scrollable {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

/* Meter Card */
.meter-card {
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, var(--bg-surface-elevated), var(--bg-surface));
  border: 1px solid var(--border-subtle);
}

.meter-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: var(--space-2);
}

.meter-label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.meter-percent {
  font-size: 1.4rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--color-primary);
}

.meter-bar-track {
  height: 8px;
  border-radius: var(--radius-full);
  background-color: var(--bg-input);
  overflow: hidden;
  margin-bottom: var(--space-2);
}

.meter-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  transition: width var(--trans-base);
}

.meter-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* View Switcher Pills */
.view-switcher-pills {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2);
}

.view-switch-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-fast);
}

.view-switch-btn i {
  width: 15px;
  height: 15px;
}

.view-switch-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.view-switch-btn.active {
  background-color: var(--color-primary-subtle);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}

/* Sidebar Section Headers */
.sidebar-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: var(--space-2);
}

/* Filter pills */
.filter-pills {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.filter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--trans-fast);
}

.filter-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.filter-btn.active {
  background-color: var(--color-primary-subtle);
  color: var(--color-primary);
  border: 1px solid var(--color-primary-border);
}

.badge-count {
  font-size: 0.75rem;
  padding: 2px 7px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-elevated);
  font-family: var(--font-mono);
  color: inherit;
}

/* Category Navigation */
.category-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cat-nav-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 8px 10px;
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-align: left;
  transition: all var(--trans-fast);
}

.cat-nav-item:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
}

.cat-nav-item.active {
  background-color: var(--bg-surface-elevated);
  color: var(--text-primary);
  font-weight: 700;
  border-left: 3px solid var(--color-primary);
}

.cat-icon {
  font-size: 1.05rem;
}

.cat-title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.cat-count {
  font-size: 0.75rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* Tools list */
.tools-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.tool-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  transition: all var(--trans-fast);
  text-align: left;
}

.tool-btn i {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.tool-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.tool-btn.text-danger {
  color: var(--color-danger);
  border-color: var(--color-danger-subtle);
}

.tool-btn.text-danger:hover {
  background-color: var(--color-danger-subtle);
}

/* Sidebar Footer */
.sidebar-footer {
  margin-top: auto;
  padding-top: var(--space-4);
  border-top: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.footer-note {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.external-links {
  display: flex;
  gap: var(--space-3);
  font-size: 0.8rem;
}

/* --------------------------------------------------------------------------
   Main Content Area
   -------------------------------------------------------------------------- */
.main-content {
  flex: 1;
  padding: var(--space-6) var(--space-4);
  width: 100%;
}

.content-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

/* Hero Section */
.hero-card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-6);
  overflow: hidden;
}

.hero-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 320px;
  height: 100%;
  background: radial-gradient(circle at top right, var(--color-primary-subtle), transparent 70%);
  pointer-events: none;
}

.hero-content {
  flex: 1;
  max-width: 640px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: var(--space-3);
}

.hero-badge-logo {
  width: 16px;
  height: 16px;
  border-radius: 2px;
}

.hero-title {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.highlight-name {
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* 5-Box Metrics Grid */
.hero-metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(76px, 1fr));
  gap: var(--space-2);
  flex-shrink: 0;
}

.metric-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-3) var(--space-2);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  text-align: center;
}

.metric-value {
  font-size: 1.55rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: var(--text-primary);
  line-height: 1.1;
}

.metric-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  margin-top: 4px;
}

.metric-box.info .metric-value {
  color: var(--color-sky);
}
.metric-box.success .metric-value {
  color: var(--color-primary);
}
.metric-box.warning .metric-value {
  color: var(--color-gold);
}
.metric-box.pending .metric-value {
  color: var(--text-muted);
}

/* Toolbar Bar */
.toolbar-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-4);
}

.toolbar-info {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.info-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.filter-pill-tag {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-primary);
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 6px 14px;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--trans-fast);
}

.action-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* --------------------------------------------------------------------------
   Bone Loading (Skeleton Loading Animation)
   -------------------------------------------------------------------------- */
[hidden],
.skeleton-grid[hidden],
#skeletonLoading[hidden] {
  display: none !important;
}

.skeleton-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-4);
}

.skeleton-card {
  height: 250px;
  border-radius: var(--radius-lg);
  background: linear-gradient(90deg, var(--skeleton-base) 25%, var(--skeleton-highlight) 50%, var(--skeleton-base) 75%);
  background-size: 200% 100%;
  animation: skeletonShimmer 1.4s infinite;
  border: 1px solid var(--border-subtle);
}

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

/* Category Badge Medallions */
.cat-badge-img {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.45));
}

.card-cat-badge-img {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  object-fit: contain;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

/* --------------------------------------------------------------------------
   Challenge Card & Grid
   -------------------------------------------------------------------------- */
.challenges-section {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--space-4);
}

.challenge-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  transition: transform var(--trans-fast), box-shadow var(--trans-fast), border-color var(--trans-fast);
}

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

/* Claimed State */
.challenge-card.is-claimed {
  background-color: var(--card-claimed-bg);
  border-color: var(--card-claimed-border);
}

/* Unavailable State (19 upcoming codes) */
.challenge-card.is-unavailable {
  background-color: var(--card-pending-bg);
  border-color: var(--card-pending-border);
  opacity: 0.88;
}

.challenge-card.is-unavailable:hover {
  transform: none;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.card-category-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background-color: var(--bg-surface-elevated);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}

.card-challenge-icon {
  width: 14px;
  height: 14px;
  color: var(--color-primary);
}

/* Status Badges */
.status-pill-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  background-color: var(--color-gold-subtle);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--color-gold);
}

/* Checkbox Toggle Button */
.claim-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 0.78rem;
  font-weight: 700;
  border: 1px solid var(--border-subtle);
  background-color: var(--bg-surface-elevated);
  color: var(--text-muted);
  transition: all var(--trans-fast);
  cursor: pointer;
  flex-shrink: 0;
}

.claim-toggle-btn .check-icon {
  width: 14px;
  height: 14px;
  opacity: 0.4;
  transition: opacity var(--trans-fast);
}

.claim-toggle-btn:hover {
  border-color: var(--color-primary-border);
  color: var(--text-primary);
}

.challenge-card.is-claimed .claim-toggle-btn {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--text-inverse);
}

.challenge-card.is-claimed .claim-toggle-btn .check-icon {
  opacity: 1;
}

/* Card Body */
.card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: var(--space-2);
}

.card-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-4);
  flex: 1;
}

/* Pending Notice Banner on Unavailable Card */
.pending-notice-box {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border-radius: var(--radius-md);
  background-color: var(--color-gold-subtle);
  border: 1px solid rgba(245, 158, 11, 0.25);
  margin-bottom: var(--space-3);
  font-size: 0.78rem;
  color: var(--color-gold);
  line-height: 1.4;
}

.pending-notice-box i {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Card Code Box & Action Strip */
.card-code-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-3);
}

.code-display {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
}

.code-label {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.code-text {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.code-text.masked {
  color: var(--color-gold);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}

.copy-code-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: all var(--trans-fast);
}

.copy-code-btn:hover {
  background-color: var(--bg-surface-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* Card Actions (Claim Direct Button & Answer Key Icon) */
.card-actions {
  display: flex;
  align-items: stretch;
  gap: var(--space-2);
  margin-top: auto;
}

.direct-claim-btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 40px;
  padding: 0 var(--space-4);
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 0.88rem;
  text-decoration: none;
  transition: all var(--trans-fast);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.18);
}

.direct-claim-btn:hover {
  background-color: var(--color-primary-hover);
  text-decoration: none;
  transform: translateY(-1px);
}

.direct-claim-btn.btn-disabled {
  background-color: var(--bg-surface-elevated);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
  cursor: not-allowed;
  box-shadow: none;
}

.direct-claim-btn i {
  width: 16px;
  height: 16px;
}

/* Book Icon Button (Only shown when activity has quiz/question) */
.key-answer-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-gold-subtle);
  border: 1px solid rgba(245, 158, 11, 0.4);
  color: var(--color-gold);
  transition: all var(--trans-fast);
  flex-shrink: 0;
  padding: 0;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.key-answer-btn:hover {
  background-color: var(--color-gold);
  color: #000;
  transform: translateY(-1px);
}

.key-answer-btn i {
  width: 18px;
  height: 18px;
}

/* --------------------------------------------------------------------------
   VIEW 2: Category Battle (Adu Kategori VS)
   -------------------------------------------------------------------------- */
.battle-header-card {
  padding: var(--space-6);
  border-radius: var(--radius-xl);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  margin-bottom: var(--space-5);
}

.battle-title-wrap {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.battle-main-icon {
  width: 38px;
  height: 38px;
  color: var(--color-gold);
  flex-shrink: 0;
}

.battle-heading {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.battle-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.category-battles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
  gap: var(--space-4);
}

.battle-card {
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

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

.battle-cat-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
}

.battle-badge-status {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
}

.battle-badge-status.mastered {
  background-color: var(--color-primary-subtle);
  border-color: var(--color-primary-border);
  color: var(--color-primary);
}

/* Split VS Progress Bar */
.battle-meter-strip {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.battle-meter-labels {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  font-weight: 700;
}

.label-claimed {
  color: var(--color-primary);
}

.label-remaining {
  color: var(--color-gold);
}

.battle-track {
  height: 12px;
  border-radius: var(--radius-full);
  background-color: var(--bg-input);
  overflow: hidden;
  display: flex;
  border: 1px solid var(--border-subtle);
}

.battle-bar-left {
  background-color: var(--color-primary);
  height: 100%;
  transition: width var(--trans-base);
}

.battle-bar-right {
  background-color: var(--color-gold);
  height: 100%;
  transition: width var(--trans-base);
}

.battle-card-footer {
  display: flex;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  padding-top: var(--space-3);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.app-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  background-color: var(--bg-surface);
  padding: var(--space-4) 0;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-4);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-logo {
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Modals & Dialogs
   -------------------------------------------------------------------------- */
.modal-dialog {
  margin: auto;
  padding: 0;
  border: none;
  background: transparent;
  max-width: 480px;
  width: 90%;
  border-radius: var(--radius-xl);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.12);
}

.modal-dialog::backdrop {
  background-color: rgba(2, 6, 4, 0.78);
  backdrop-filter: blur(14px) saturate(180%);
  -webkit-backdrop-filter: blur(14px) saturate(180%);
}

body.modal-open .app-layout {
  filter: blur(6px);
  pointer-events: none;
  user-select: none;
  transition: filter 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-card {
  padding: var(--space-8);
  background-color: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-xl);
  color: var(--text-primary);
  position: relative;
}

.modal-card.modal-lg {
  max-width: 680px;
}

.modal-close-wrap {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
}

.modal-icon-header {
  position: relative;
  display: inline-block;
  margin-bottom: var(--space-4);
}

.modal-logo {
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.fleur-badge {
  position: absolute;
  bottom: -6px;
  right: -6px;
  font-size: 20px;
}

.modal-title {
  font-size: 1.35rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: var(--space-2);
}

.modal-desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-5);
}

.form-group {
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-primary);
}

.input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.input-icon {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--text-muted);
}

.form-group input {
  width: 100%;
  height: 48px;
  padding: 0 14px 0 42px;
  border-radius: var(--radius-md);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.95rem;
}

.form-group input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--color-primary-subtle);
}

.field-hint {
  font-size: 0.78rem;
  color: var(--text-muted);
  line-height: 1.45;
}

.field-error {
  font-size: 0.82rem;
  color: var(--color-danger);
  font-weight: 600;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
  background-color: var(--color-danger-subtle);
  border: 1px solid rgba(239, 68, 68, 0.25);
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-3);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px var(--space-6);
  border-radius: var(--radius-md);
  background-color: var(--color-primary);
  color: var(--text-inverse);
  font-weight: 700;
  font-size: 0.92rem;
  transition: all var(--trans-fast);
}

.btn-primary:hover {
  background-color: var(--color-primary-hover);
  transform: translateY(-1px);
}

.btn-block {
  width: 100%;
}

/* Credit Modal Specifics */
.credit-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.credit-avatar-circle {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 2px solid var(--border-strong);
  flex-shrink: 0;
}

.credit-logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.credit-badge-tag {
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--color-gold-subtle);
  color: var(--color-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.credit-details-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.credit-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--border-subtle);
}

.credit-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.credit-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
}

.credit-val {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
}

.credit-val.mono {
  font-family: var(--font-mono);
  color: var(--color-primary);
}

.credit-val.role {
  color: var(--color-gold);
}

/* Answer Key Modal Specifics */
.modal-header-icon {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.quiz-icon-large {
  width: 32px;
  height: 32px;
  color: var(--color-gold);
  flex-shrink: 0;
}

.answer-badge-code {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--color-primary);
  background-color: var(--color-primary-subtle);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
}

.answer-content-area {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
  max-height: 60vh;
  overflow-y: auto;
  padding-right: 4px;
}

.quiz-item-card {
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.quiz-q-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.quiz-q-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gold);
}

.quiz-question-text {
  font-size: 0.94rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
}

.quiz-answer-card {
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.quiz-answer-tag {
  font-size: 0.72rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
}

.quiz-answer-val {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.4;
}

/* --------------------------------------------------------------------------
   Visitors Presence Modal & Header Button
   -------------------------------------------------------------------------- */
.visitors-btn {
  position: relative;
  border-color: rgba(16, 185, 129, 0.4);
  color: var(--color-success);
}

.visitors-btn:hover {
  background-color: var(--color-success-subtle);
  border-color: var(--color-success);
  color: var(--color-success);
}

.visitors-badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: var(--radius-full);
  background-color: var(--color-success);
  color: #fff;
  font-size: 0.68rem;
  font-weight: 800;
  line-height: 1;
}

.visitors-modal-content {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.visitors-stats-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.visitors-count-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  background-color: var(--color-success-subtle);
  border: 1px solid rgba(16, 185, 129, 0.3);
  color: var(--color-success);
  font-weight: 700;
  font-size: 0.84rem;
}

.visitors-online-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-success);
  box-shadow: 0 0 8px var(--color-success);
  animation: pulseDot 2s infinite ease-in-out;
}

@keyframes pulseDot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.visitors-actions-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.action-btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 12px;
  border-radius: var(--radius-md);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--trans-fast);
}

.action-btn-sm:hover {
  background-color: var(--bg-input);
  color: var(--text-primary);
  border-color: var(--border-default);
}

.action-btn-sm i {
  width: 14px;
  height: 14px;
}

.visitors-search-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.visitors-search-icon {
  position: absolute;
  left: 12px;
  width: 15px;
  height: 15px;
  color: var(--text-tertiary);
  pointer-events: none;
}

.visitors-search-wrap input {
  width: 100%;
  padding: 8px 12px 8px 36px;
  border-radius: var(--radius-md);
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-size: 0.86rem;
  outline: none;
  transition: border-color var(--trans-fast);
}

.visitors-search-wrap input:focus {
  border-color: var(--color-primary);
}

.visitors-list-container {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-height: 42vh;
  overflow-y: auto;
  padding-right: 4px;
}

.visitor-card-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 10px 14px;
  background-color: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: background-color var(--trans-fast);
}

.visitor-card-row:hover {
  background-color: var(--bg-surface-elevated);
  border-color: var(--border-default);
}

.visitor-left {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.visitor-avatar-initial {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  color: var(--color-primary);
  font-weight: 800;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  text-transform: uppercase;
}

.visitor-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.visitor-name-text {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.visitor-meta-text {
  font-size: 0.76rem;
  color: var(--text-tertiary);
}

.visitor-device-tag {
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  flex-shrink: 0;
}

.visitors-empty-state {
  text-align: center;
  padding: 24px var(--space-4);
  color: var(--text-tertiary);
  font-size: 0.88rem;
}

.visitors-admin-hint {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-subtle);
  border: 1px solid var(--color-primary-border);
  font-size: 0.78rem;
  line-height: 1.45;
  color: var(--text-secondary);
}

.visitors-admin-hint code {
  background-color: rgba(0, 0, 0, 0.08);
  padding: 1px 5px;
  border-radius: 4px;
  font-family: monospace;
  font-weight: 700;
  color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  z-index: 9999;
  pointer-events: none;
}

.toast {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  padding: 12px 18px;
  border-radius: var(--radius-lg);
  background-color: var(--bg-surface-elevated);
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  box-shadow: var(--shadow-lg);
  font-size: 0.88rem;
  font-weight: 600;
  animation: toastIn 200ms cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

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

.toast.success i {
  color: var(--color-primary);
}

@keyframes toastIn {
  from {
    transform: translateY(12px) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 900px) {
  .hero-card {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-6);
  }

  .hero-metrics-grid {
    width: 100%;
  }

  .category-battles-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 56px;
    --sidebar-width: 86vw;
  }

  .upper-bar {
    padding: 0 10px;
    height: 56px;
    gap: 8px;
  }

  .upper-bar-center {
    display: none !important;
  }

  .brand-sub {
    display: none;
  }

  .brand-title {
    font-size: 0.95rem;
  }

  .brand-logo {
    width: 28px;
    height: 28px;
  }

  .upper-bar-right {
    gap: 4px;
  }

  .quick-stat-pill {
    padding: 4px 8px;
    font-size: 0.72rem;
  }

  .credit-btn,
  .visitors-btn {
    padding: 6px 8px;
    font-size: 0.75rem;
  }

  .credit-btn-text,
  .visitors-btn-text {
    display: none;
  }

  .user-chip {
    padding: 4px 6px;
  }

  .user-name-text,
  .chip-chevron {
    display: none;
  }

  .hero-card {
    padding: var(--space-5) var(--space-4);
  }

  .hero-title {
    font-size: 1.35rem;
  }

  .hero-subtitle {
    font-size: 0.85rem;
  }

  .hero-metrics-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
  }

  .challenges-section {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .category-battles-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .toolbar-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-2);
  }

  .toolbar-actions {
    width: 100%;
  }

  .action-btn {
    width: 100%;
    justify-content: center;
  }

  .footer-container {
    flex-direction: column;
    gap: var(--space-2);
    text-align: center;
  }
}

@media (max-width: 640px) {
  .modal-dialog {
    width: 92vw !important;
    max-width: 92vw !important;
    margin: auto !important;
    max-height: 88vh !important;
  }

  .modal-card {
    padding: 20px 16px !important;
    border-radius: var(--radius-lg) !important;
    max-height: 85vh !important;
    overflow-y: auto !important;
  }

  .modal-title {
    font-size: 1.15rem !important;
  }

  .modal-desc {
    font-size: 0.84rem !important;
    margin-bottom: var(--space-4) !important;
  }

  .credit-details-list {
    padding: 12px !important;
    gap: 8px !important;
  }

  .credit-row {
    flex-direction: column !important;
    align-items: flex-start !important;
    gap: 2px !important;
    padding-bottom: 6px !important;
  }

  .credit-val {
    font-size: 0.85rem !important;
  }

  .answer-content-area {
    gap: 10px !important;
  }

  .answer-box-text,
  .answer-key-box {
    font-size: 0.85rem !important;
    padding: 10px 12px !important;
  }
}