/* ==========================================================================
   GET FLOCKED — Live Global Leaderboard Stylesheet
   Theme: Tactical Surveillance / Infiltration Terminal
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Color Palette */
  --bg-primary: #04060a;
  --bg-secondary: #080d1a;
  --bg-surface: #0e1726;
  --bg-surface-hover: #142036;
  --bg-surface-elevated: #16243d;
  --bg-header: rgba(4, 6, 10, 0.85);

  /* Borders & Dividers */
  --border-subtle: rgba(56, 189, 248, 0.12);
  --border-focus: #00f0ff;
  --border-strong: rgba(56, 189, 248, 0.28);
  --border-card: rgba(30, 58, 95, 0.45);

  /* Typography Colors */
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-dim: #475569;
  --text-cyan: #00f0ff;
  --text-green: #10b981;

  /* Accent Colors */
  --accent-cyan: #00f0ff;
  --accent-cyan-glow: rgba(0, 240, 255, 0.25);
  --accent-cyan-dim: rgba(0, 240, 255, 0.1);
  --accent-blue: #38bdf8;
  --accent-red: #ef4444;
  --accent-red-dim: rgba(239, 68, 68, 0.15);

  /* Rank Podium Colors */
  --rank-1-color: #fbbf24;
  --rank-1-bg: rgba(251, 191, 36, 0.08);
  --rank-1-border: rgba(251, 191, 36, 0.35);
  --rank-1-glow: rgba(251, 191, 36, 0.2);

  --rank-2-color: #e2e8f0;
  --rank-2-bg: rgba(226, 232, 240, 0.06);
  --rank-2-border: rgba(226, 232, 240, 0.3);
  --rank-2-glow: rgba(226, 232, 240, 0.15);

  --rank-3-color: #f97316;
  --rank-3-bg: rgba(249, 115, 22, 0.07);
  --rank-3-border: rgba(249, 115, 22, 0.35);
  --rank-3-glow: rgba(249, 115, 22, 0.18);

  /* Typography */
  --font-mono: "SF Mono", "Roboto Mono", "Fira Code", "Courier New", monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Impact", "Arial Black", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout & Sizing */
  --max-width: 860px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   Ambient Background Grids & Radar Scanning
   -------------------------------------------------------------------------- */
.bg-grid-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  background-image: 
    linear-gradient(to right, rgba(56, 189, 248, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(56, 189, 248, 0.03) 1px, transparent 1px);
  background-size: 40px 40px;
}

.bg-radar-glow {
  position: fixed;
  top: -20vh;
  left: 50%;
  transform: translateX(-50%);
  width: 120vw;
  max-width: 1200px;
  height: 600px;
  pointer-events: none;
  z-index: 0;
  background: radial-gradient(circle at 50% 30%, rgba(0, 240, 255, 0.08) 0%, rgba(14, 23, 38, 0) 70%);
}

.bg-scanline-layer {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 999;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  );
  background-size: 100% 4px;
  opacity: 0.45;
}

/* --------------------------------------------------------------------------
   Header Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  height: 64px;
  display: flex;
  align-items: center;
}

.header-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 800;
  letter-spacing: 1.5px;
  font-size: 1.1rem;
}

.brand-icon {
  border-radius: var(--radius-sm);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
}

.brand-text {
  font-family: var(--font-mono);
  background: linear-gradient(90deg, #ffffff, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.feed-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 1px;
  color: var(--text-muted);
  padding: 4px 8px;
  background-color: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-pill);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.status-dot {
  width: 7px;
  height: 7px;
  background-color: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
  animation: pulse-green 2s infinite ease-in-out;
}

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

.btn-header-play {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  transition: all var(--transition-fast);
}

.btn-header-play:hover {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  box-shadow: 0 0 12px rgba(14, 165, 233, 0.4);
  transform: translateY(-1px);
}

/* --------------------------------------------------------------------------
   Main Layout
   -------------------------------------------------------------------------- */
.site-main {
  flex: 1;
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 16px 48px;
  position: relative;
  z-index: 10;
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  text-align: center;
  padding: 24px 12px 32px;
}

.hero-eyebrow {
  margin-bottom: 12px;
}

.pulse-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  color: var(--accent-cyan);
  background-color: var(--accent-cyan-dim);
  border: 1px solid rgba(0, 240, 255, 0.3);
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  box-shadow: 0 0 12px var(--accent-cyan-glow);
}

.hero-title {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 6vw, 3.4rem);
  font-weight: 900;
  letter-spacing: 3px;
  line-height: 1.1;
  margin-bottom: 8px;
  background: linear-gradient(180deg, #ffffff 30%, #94a3b8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.hero-tagline {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--accent-cyan);
  margin-bottom: 12px;
}

.hero-desc {
  max-width: 540px;
  margin: 0 auto 24px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

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

.btn-google-play {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background-color: #0b1322;
  color: #ffffff;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: var(--radius-md);
  padding: 10px 22px;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 0 15px rgba(0, 240, 255, 0.1);
  transition: all var(--transition-normal);
}

.btn-google-play:hover {
  border-color: var(--accent-cyan);
  background-color: #101c33;
  box-shadow: 0 6px 24px rgba(0, 240, 255, 0.25);
  transform: translateY(-2px);
}

.gp-svg-icon {
  color: #38bdf8;
}

.gp-btn-text {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.gp-sub {
  font-size: 0.65rem;
  letter-spacing: 1px;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.gp-main {
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.1;
  font-family: var(--font-sans);
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   Terminal Leaderboard Card
   -------------------------------------------------------------------------- */
.leaderboard-section {
  margin-top: 12px;
}

.terminal-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6), 0 0 1px 1px rgba(56, 189, 248, 0.1);
  overflow: hidden;
  position: relative;
}

/* Terminal Header */
.terminal-header {
  padding: 18px 20px;
  background-color: rgba(8, 13, 26, 0.85);
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-title-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.terminal-heading {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.terminal-heading::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 18px;
  background-color: var(--accent-cyan);
  border-radius: 2px;
  box-shadow: 0 0 8px var(--accent-cyan);
}

.reset-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: #38bdf8;
  background-color: rgba(56, 189, 248, 0.08);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
}

.reset-icon {
  font-size: 0.85rem;
}

/* Tab and Controls Bar */
.tab-and-controls-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.period-tabs {
  display: flex;
  background-color: rgba(4, 6, 10, 0.7);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(56, 189, 248, 0.15);
  gap: 4px;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: #ffffff;
  background-color: #0284c7;
  box-shadow: 0 0 10px rgba(2, 132, 199, 0.5);
}

.terminal-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.last-updated-text {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
  margin-right: 4px;
}

.btn-icon-refresh, .btn-share-board {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 7px 12px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon-refresh:hover, .btn-share-board:hover {
  color: var(--text-primary);
  background-color: rgba(255, 255, 255, 0.08);
  border-color: rgba(56, 189, 248, 0.3);
}

.btn-icon-refresh.spinning .refresh-icon {
  animation: spin 0.8s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Leaderboard Table & Rows
   -------------------------------------------------------------------------- */
.leaderboard-table-container {
  min-height: 480px;
  position: relative;
}

.table-header-row {
  display: grid;
  grid-template-columns: 75px 1fr 120px 70px;
  align-items: center;
  padding: 12px 18px;
  background-color: rgba(4, 6, 10, 0.4);
  border-bottom: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  text-transform: uppercase;
}

.table-body {
  display: flex;
  flex-direction: column;
}

.table-row {
  display: grid;
  grid-template-columns: 75px 1fr 120px 70px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  transition: background-color var(--transition-fast);
  position: relative;
}

.table-row:hover {
  background-color: var(--bg-surface-hover);
}

.col-rank {
  display: flex;
  align-items: center;
}

.rank-badge {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.col-name {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 12px;
  letter-spacing: 0.5px;
}

.col-score {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 800;
  color: #38bdf8;
  letter-spacing: 1px;
}

.col-action {
  display: flex;
  justify-content: flex-end;
}

.btn-row-share {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-muted);
  padding: 6px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.btn-row-share:hover {
  color: var(--accent-cyan);
  background-color: rgba(0, 240, 255, 0.08);
  border-color: rgba(0, 240, 255, 0.2);
}

/* Rank Podium Highlights */
.table-row.rank-1 {
  background: linear-gradient(90deg, var(--rank-1-bg) 0%, transparent 100%);
  border-left: 3px solid var(--rank-1-color);
}
.table-row.rank-1 .rank-badge {
  background-color: var(--rank-1-bg);
  color: var(--rank-1-color);
  border-color: var(--rank-1-border);
  box-shadow: 0 0 10px var(--rank-1-glow);
}
.table-row.rank-1 .col-name {
  color: #fff;
  font-weight: 700;
}
.table-row.rank-1 .col-score {
  color: var(--rank-1-color);
  text-shadow: 0 0 10px var(--rank-1-glow);
}

.table-row.rank-2 {
  background: linear-gradient(90deg, var(--rank-2-bg) 0%, transparent 100%);
  border-left: 3px solid var(--rank-2-color);
}
.table-row.rank-2 .rank-badge {
  background-color: var(--rank-2-bg);
  color: var(--rank-2-color);
  border-color: var(--rank-2-border);
  box-shadow: 0 0 8px var(--rank-2-glow);
}
.table-row.rank-2 .col-score {
  color: var(--rank-2-color);
}

.table-row.rank-3 {
  background: linear-gradient(90deg, var(--rank-3-bg) 0%, transparent 100%);
  border-left: 3px solid var(--rank-3-color);
}
.table-row.rank-3 .rank-badge {
  background-color: var(--rank-3-bg);
  color: var(--rank-3-color);
  border-color: var(--rank-3-border);
  box-shadow: 0 0 8px var(--rank-3-glow);
}
.table-row.rank-3 .col-score {
  color: var(--rank-3-color);
}

/* --------------------------------------------------------------------------
   Overlay States (Loading, Empty, Error)
   -------------------------------------------------------------------------- */
.state-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 64px 20px;
  min-height: 380px;
}

.spinner-radar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid rgba(0, 240, 255, 0.15);
  border-top-color: var(--accent-cyan);
  animation: spin 0.9s cubic-bezier(0.55, 0.15, 0.45, 0.85) infinite;
  margin-bottom: 20px;
  box-shadow: 0 0 15px var(--accent-cyan-glow);
}

.empty-icon, .error-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
}

.state-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.state-sub {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 400px;
  margin-bottom: 20px;
}

.btn-action-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: #0284c7;
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid rgba(56, 189, 248, 0.5);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-action-primary:hover {
  background-color: #0ea5e9;
  box-shadow: 0 0 15px rgba(14, 165, 233, 0.4);
}

/* --------------------------------------------------------------------------
   Post-Leaderboard Challenge Section
   -------------------------------------------------------------------------- */
.challenge-section {
  margin-top: 36px;
}

.challenge-card {
  background: linear-gradient(135deg, rgba(8, 13, 26, 0.9), rgba(14, 23, 38, 0.9));
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.challenge-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
}

.challenge-title {
  font-family: var(--font-mono);
  font-size: 1.3rem;
  font-weight: 900;
  letter-spacing: 2px;
  color: var(--text-primary);
  margin-bottom: 10px;
}

.challenge-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto 20px;
  line-height: 1.6;
}

.btn-challenge-play {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #0284c7, #0369a1);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border: 1px solid rgba(56, 189, 248, 0.5);
  box-shadow: 0 4px 20px rgba(2, 132, 199, 0.3);
  transition: all var(--transition-normal);
}

.btn-challenge-play:hover {
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  box-shadow: 0 6px 25px rgba(14, 165, 233, 0.5);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 32px 16px;
  margin-top: auto;
  position: relative;
  z-index: 10;
}

.footer-container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-title {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--text-primary);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 1px;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-cyan);
}

.footer-sep {
  color: var(--text-dim);
}

.footer-copy {
  font-size: 0.78rem;
  color: var(--text-dim);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-disclaimer {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   Toast Component
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background-color: #0e1726;
  border: 1px solid var(--accent-cyan);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.8), 0 0 15px var(--accent-cyan-glow);
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast-container.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.toast-message {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-cyan);
  letter-spacing: 0.5px;
}

/* --------------------------------------------------------------------------
   Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 600px) {
  .site-header {
    height: 56px;
  }

  .header-actions .feed-status {
    display: none;
  }

  .terminal-title-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .tab-and-controls-row {
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .period-tabs {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
  }

  .tab-btn {
    text-align: center;
    padding: 8px 4px;
    font-size: 0.75rem;
  }

  .terminal-controls {
    justify-content: space-between;
    width: 100%;
  }

  .table-header-row,
  .table-row {
    grid-template-columns: 48px 1fr 80px 44px;
    padding: 12px 10px;
  }

  .rank-badge {
    width: 26px;
    height: 26px;
    font-size: 0.78rem;
  }

  .col-name {
    font-size: 0.88rem;
    padding-right: 6px;
  }

  .col-score {
    font-size: 0.95rem;
  }

  .challenge-card {
    padding: 24px 16px;
  }
}