/* ==========================================================================
   X (Twitter) Live Follower Counter - Dark Mode Aesthetic Architecture
   Pixel-perfect styling matching exact design specifications
   ========================================================================== */

:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-cinzel: 'Cinzel', Georgia, serif;
  --font-mono: 'JetBrains Mono', ui-monospace, Menlo, Consolas, monospace;

  /* Deep Dark Theme Palette */
  --bg-app: #08090d;
  --bg-card: #0f1218;
  --bg-card-elevated: #151922;
  --bg-input: #0b0d13;
  --border-subtle: #1c222e;
  --border-card: #222938;
  --border-focus: #3b82f6;

  --text-main: #ffffff;
  --text-muted: #8b98a5;
  --text-subtle: #566474;
  --text-gold: #f59e0b;
  --text-gold-light: #fbbf24;

  --accent-live: #10b981;
  --accent-live-glow: rgba(16, 185, 129, 0.4);
  --accent-pink: #ec4899;
  --accent-purple: #8b5cf6;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;

  --transition-smooth: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
  --bg-app: #f4f6fa;
  --bg-card: #ffffff;
  --bg-card-elevated: #f8fafc;
  --bg-input: #ffffff;
  --border-subtle: #e2e8f0;
  --border-card: #cbd5e1;
  --border-focus: #2563eb;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-subtle: #94a3b8;
  --text-gold: #b45309;
  --text-gold-light: #d97706;
}

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

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

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  background-image: radial-gradient(#181d28 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--text-main);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
}

/* App Header */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 13, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
}

.header-inner {
  max-width: 900px;
  margin: 0 auto;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-main);
}

.brand-icon {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.brand-name {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.live-pill-header {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--accent-live);
  font-family: var(--font-mono);
}

.live-pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--accent-live);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-live);
  animation: pulse-ring 1.8s infinite ease-in-out;
}

.theme-toggle-btn {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-smooth);
}

.theme-toggle-btn:hover {
  background: var(--bg-card-elevated);
  border-color: var(--border-card);
}

/* Main Container */
.main-container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Search Bar Section */
.search-bar-section {
  width: 100%;
}

.search-form {
  width: 100%;
}

.search-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 0.35rem 0.45rem 0.35rem 1rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  transition: all var(--transition-smooth);
}

.search-input-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.25);
}

.search-icon {
  color: var(--text-subtle);
  display: flex;
  align-items: center;
  margin-right: 0.65rem;
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 0.95rem;
  color: var(--text-main);
  font-family: var(--font-sans);
}

.search-input::placeholder {
  color: var(--text-subtle);
}

.search-submit-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: #ffffff;
  color: #000000;
  border: none;
  border-radius: var(--radius-md);
  padding: 0.65rem 1.15rem;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.search-submit-btn:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

.search-arrow-icon {
  stroke: currentColor;
}

/* Inline Error Banner */
.error-banner {
  margin-top: 0.75rem;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.3);
  padding: 0.65rem 1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #f87171;
  font-size: 0.875rem;
}

.hidden {
  display: none !important;
}

/* ==========================================================================
   Main Live Tracker Card (Screenshot 1 Exact Layout)
   ========================================================================== */
.tracker-main-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: 24px;
  padding: 2.75rem 1.75rem 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

/* Subtle background accent glow behind profile */
.tracker-main-card::before {
  content: '';
  position: absolute;
  top: -60px;
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  height: 280px;
  background: radial-gradient(circle, rgba(236, 72, 153, 0.15) 0%, rgba(139, 92, 246, 0.08) 50%, transparent 70%);
  pointer-events: none;
  filter: blur(30px);
}

/* Profile Avatar with Iridescent Rainbow Gradient Ring */
.avatar-wrapper {
  position: relative;
  display: inline-block;
  margin-bottom: 1.25rem;
}

.avatar-gradient-ring {
  width: 116px;
  height: 116px;
  border-radius: 50%;
  padding: 3.5px;
  background: linear-gradient(135deg, #f43f5e 0%, #ec4899 30%, #8b5cf6 65%, #06b6d4 100%);
  box-shadow: 0 0 30px rgba(236, 72, 153, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.profile-avatar {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: #12151c;
  display: block;
}

/* LIVE badge pinned under Avatar */
.avatar-live-badge {
  position: absolute;
  bottom: -6px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f1218;
  border: 1px solid rgba(16, 185, 129, 0.4);
  padding: 0.15rem 0.65rem;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.6875rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--accent-live);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
  white-space: nowrap;
}

.live-dot-green {
  width: 6px;
  height: 6px;
  background-color: var(--accent-live);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-live);
}

/* Tracking Pill Button */
.tracking-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-pill);
  padding: 0.35rem 0.95rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 1.15rem;
  transition: all var(--transition-smooth);
}

.tracking-pill:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

.tracking-dot {
  width: 6px;
  height: 6px;
  background-color: #f43f5e;
  border-radius: 50%;
}

.tracking-arrow {
  font-size: 0.75rem;
  color: var(--text-subtle);
}

/* Profile Display Name in Serif */
.profile-name {
  font-family: var(--font-serif);
  font-size: 2.25rem;
  font-weight: 700;
  color: #ffffff;
  line-height: 1.2;
  margin-bottom: 0.35rem;
  letter-spacing: -0.01em;
}

/* Subtitle */
.profile-tagline {
  font-size: 0.95rem;
  font-style: italic;
  color: #d19a4b;
  margin-bottom: 1.75rem;
  font-family: var(--font-serif);
}

/* Massive Big Follower Number */
.follower-hero-number {
  font-family: var(--font-sans);
  font-size: 5.5rem;
  font-weight: 800;
  color: #ffffff;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.85rem;
  transition: transform 0.2s ease;
  user-select: all;
}

.follower-hero-number.updating {
  animation: scale-bump 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes scale-bump {
  0% { transform: scale(1); }
  50% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* Uppercase Spaced Follower Label */
.follower-label {
  font-family: var(--font-cinzel);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #8b98a5;
  margin-bottom: 2.5rem;
}

/* Live Monitoring Progress Ticker Bar */
.monitoring-ticker-bar {
  width: 100%;
  max-width: 600px;
  background: rgba(18, 21, 28, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 0.75rem 1.15rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.ticker-left {
  display: flex;
  align-items: center;
}

/* Circular Countdown SVG */
.circular-countdown {
  position: relative;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.countdown-svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}

.circle-bg {
  fill: none;
  stroke: rgba(255, 255, 255, 0.08);
  stroke-width: 3.5;
}

.circle-progress {
  fill: none;
  stroke: #f43f5e;
  stroke-width: 3.5;
  stroke-linecap: round;
  transition: stroke-dasharray 0.2s linear;
}

.countdown-mini-text {
  position: absolute;
  font-size: 0.65rem;
  font-weight: 700;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.ticker-center {
  flex: 1;
  text-align: center;
}

.ticker-title {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--text-main);
}

.ticker-seconds-highlight {
  color: #f59e0b;
  font-family: var(--font-mono);
  font-weight: 700;
}

.ticker-sub {
  font-size: 0.75rem;
  color: var(--text-subtle);
  margin-top: 0.1rem;
}

.ticker-right {
  display: flex;
  align-items: center;
}

.pause-toggle-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted);
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.8125rem;
  transition: all var(--transition-smooth);
}

.pause-toggle-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--text-main);
}

/* ==========================================================================
   Telemetry 4-Metric Grid (Screenshot 2 Exact Layout)
   ========================================================================== */
.telemetry-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  width: 100%;
}

.telemetry-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-md);
  padding: 1rem 0.85rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.telemetry-label {
  font-size: 0.6875rem;
  font-weight: 700;
  color: var(--text-subtle);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.45rem;
}

.telemetry-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-main);
}

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

.delta-val {
  color: var(--accent-live);
}

.time-val {
  color: var(--text-gold-light);
}

/* ==========================================================================
   Sparkline Trend Card (Screenshot 2 Exact Layout)
   ========================================================================== */
.sparkline-section {
  width: 100%;
}

.sparkline-card {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.sparkline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
  font-size: 0.875rem;
}

.sparkline-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  color: var(--text-main);
}

.sparkline-caption {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-family: var(--font-mono);
}

.sparkline-canvas-container {
  position: relative;
  width: 100%;
  height: 90px;
}

.sparkline-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.sparkline-path {
  fill: none;
  stroke: url(#line-gradient);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.sparkline-area {
  fill: url(#area-gradient);
}

.sparkline-point {
  fill: #f43f5e;
  stroke: #ffffff;
  stroke-width: 1.5;
  filter: drop-shadow(0 0 6px #f43f5e);
  transition: cx 0.3s ease, cy 0.3s ease;
}

.sparkline-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-subtle);
  font-size: 0.8125rem;
  pointer-events: none;
}

/* ==========================================================================
   Accounts Sections (Promoted & Popular - Screenshot 3 Exact Layout)
   ========================================================================== */
.accounts-section {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.5rem;
}

.section-title-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.15rem;
}

.section-title-left {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.gold-icon {
  font-size: 0.95rem;
}

.gold-text {
  font-family: var(--font-cinzel);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: #eab308;
  text-transform: uppercase;
}

.section-title-right {
  font-size: 0.75rem;
  color: var(--text-subtle);
  font-family: var(--font-mono);
}

/* Promoted 2-Card Grid */
.promoted-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}

/* Popular 4-Card Grid */
.popular-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.85rem;
}

/* Common Account Card */
.account-card {
  background: var(--bg-card-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 1.15rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.account-card:hover {
  transform: translateY(-2px);
  background: #1a202c;
}

/* Special Promoted Card Borders */
.border-magenta {
  border: 1px solid rgba(236, 72, 153, 0.4);
  box-shadow: inset 0 0 15px rgba(236, 72, 153, 0.05);
}

.border-magenta:hover {
  border-color: rgba(236, 72, 153, 0.8);
  box-shadow: 0 4px 20px rgba(236, 72, 153, 0.2);
}

.border-amber {
  border: 1px solid rgba(245, 158, 11, 0.4);
  box-shadow: inset 0 0 15px rgba(245, 158, 11, 0.05);
}

.border-amber:hover {
  border-color: rgba(245, 158, 11, 0.8);
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.2);
}

/* Account Avatar Ring */
.account-avatar-ring {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  padding: 2px;
  background: linear-gradient(135deg, #f43f5e 0%, #ec4899 30%, #8b5cf6 65%, #06b6d4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.65rem;
}

.account-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  background-color: #12151c;
}

.account-name {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.15rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

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

/* ==========================================================================
   Info & FAQ Section
   ========================================================================== */
.info-section {
  background: var(--bg-card);
  border: 1px solid var(--border-card);
  border-radius: var(--radius-lg);
  padding: 2rem 2rem;
}

.section-heading {
  font-family: var(--font-sans);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 1.75rem;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.faq-accordion {
  display: flex;
  flex-direction: column;
  gap: .75rem;
}

.faq-item {
  background: var(--bg-card-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color .2s;
}

.faq-item.active {
  border-color: rgba(139,92,246,.4);
}

.faq-question {
  width: 100%;
  background: transparent;
  border: none;
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-sans);
  gap: 1rem;
  transition: color 0.15s;
}

.faq-question:hover {
  color: #a78bfa;
}

.faq-icon {
  transition: transform 0.25s ease;
  color: var(--text-muted);
  flex-shrink: 0;
  font-size: 1rem;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-item.active .faq-question {
  color: #a78bfa;
}

.faq-answer {
  display: none;
  padding: 0 1.25rem 1.25rem 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-answer code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  color: var(--text-gold-light);
}

/* Footer */
.app-footer {
  margin-top: auto;
  border-top: 1px solid var(--border-subtle);
  padding: 1.5rem 1.25rem;
  text-align: center;
  background: var(--bg-app);
}

.footer-inner {
  max-width: 900px;
  margin: 0 auto;
  font-size: 0.8125rem;
  color: var(--text-subtle);
}

.footer-note {
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.footer-note code {
  color: var(--text-muted);
}

/* Animations */
@keyframes pulse-ring {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* Responsive Breakpoints */
@media (max-width: 768px) {
  .telemetry-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .popular-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .follower-hero-number {
    font-size: 4rem;
  }

  .profile-name {
    font-size: 1.85rem;
  }
}

@media (max-width: 480px) {
  .promoted-cards-grid {
    grid-template-columns: 1fr;
  }

  .popular-cards-grid {
    grid-template-columns: 1fr;
  }

  .follower-hero-number {
    font-size: 3.25rem;
  }

  .monitoring-ticker-bar {
    flex-direction: column;
    text-align: center;
  }
}

/* ── Mobile nav hamburger ── */
.xf-hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  color: var(--text-main);
  cursor: pointer;
  transition: background .15s;
  flex-shrink: 0;
}
.xf-hamburger:hover { background: rgba(255,255,255,.12); }

@media (max-width: 768px) {
  .xf-hamburger { display: flex; }
}

/* ── Mobile nav drawer ── */
.xf-mobile-nav {
  display: none;
  flex-direction: column;
  position: fixed;
  top: 60px; /* height of app-header */
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--bg-deep, #0a0a0f);
  z-index: 998;
  padding: 1.25rem 1rem;
  gap: .5rem;
  border-top: 1px solid rgba(255,255,255,.08);
  overflow-y: auto;
}
.xf-mobile-nav.open { display: flex; }

.xf-mobile-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 1rem;
  border-radius: 10px;
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.07);
  color: rgba(255,255,255,.7);
  text-decoration: none;
  font-size: .95rem;
  font-weight: 500;
  transition: background .15s, color .15s, border-color .15s;
}
.xf-mobile-link:hover {
  background: rgba(255,255,255,.08);
  color: #fff;
  border-color: rgba(255,255,255,.15);
}
.xf-mobile-link-active {
  background: rgba(139,92,246,.12);
  border-color: rgba(139,92,246,.3);
  color: #a78bfa;
}
.xf-mobile-link-active:hover {
  background: rgba(139,92,246,.18);
  color: #c4b5fd;
}

/* ── Desktop nav (matches other X tool pages) ── */
.xf-desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}
.xf-nav-link {
  color: var(--text-muted, rgba(255,255,255,.5));
  font-weight: 500;
  font-size: 0.9rem;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  text-decoration: none;
  transition: color .15s, background .15s;
  white-space: nowrap;
}
.xf-nav-link:hover {
  color: var(--text-main);
  background: rgba(255,255,255,.06);
}
.xf-nav-link-active {
  color: var(--text-main);
  background: rgba(255,255,255,.07);
}

@media (max-width: 768px) {
  .xf-desktop-nav { display: none; }
}