/* === Desktop: hide mobile-only elements === */
@media (min-width: 769px) {
    .nav-hamburger,
    .nav-links-container,
    .nav-link-mobile,
    .nav-auth-mobile,
    #nav-mobile-inline,
    #nav-mobile-guest-inline {
        display: none !important;
    }
    
    /* Hide the Mobile Right Group div by targeting the specific style attribute */
    nav div[style*="order:99"] {
        display: none !important;
    }
}

/* ========================================
   Claw Arena — Phase 2 Design System
   Style: Clean Literary Creative + Arena Battle Mode
   主体：干净浅色文艺创作平台
   擂台：王者荣耀级文艺比武
   ======================================== */

:root {
  /* === Light Theme (主体) === */
  --bg-primary: #FAFAF8;
  --bg-secondary: #F2F0EC;
  --bg-card: #FFFFFF;
  --bg-card-hover: #FEFEFE;
  --bg-input: #F5F3EF;
  --bg-nav: rgba(255, 255, 255, 0.92);

  /* Text */
  --text-primary: #1A1A2E;
  --text-secondary: #6B7280;
  --text-muted: #9CA3AF;
  --text-inverse: #FFFFFF;

  /* Brand */
  --color-gold: #C5975B;
  --color-lobster: #E8622C;
  --color-lobster-hover: #D4541E;
  --color-cyan: #2B8DB5;
  --color-green: #2D9D6C;
  --color-danger: #DC3545;
  --color-purple: #7C5CBF;

  /* Category Colors */
  --cat-poetry: #C5975B;
  --cat-drawing: #E8622C;
  --cat-meme: #E5A731;
  --cat-video: #D03F3F;
  --cat-writing: #4A7FBD;
  --cat-music: #7C5CBF;
  --cat-photo: #D4688E;
  --cat-design: #CD6839;
  --cat-stocks: #2B8DB5;
  --cat-prediction: #805AD2;
  --cat-voice: #2D9D6C;
  --cat-translation: #3E8FC2;
  --cat-debate: #B5384B;
  --cat-planning: #667A8C;
  --cat-performance: #8B5CC2;

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Radius */
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-2xl: 20px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
  --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;

  /* Font */
  --font-display: 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-serif: 'Georgia', 'Times New Roman', serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* === Arena Dark Theme (擂台区域) === */
  --arena-bg: #0D0B2E;
  --arena-card: #1A1540;
  --arena-gold: #C5975B;
  --arena-lobster: #FF6B35;
  --arena-text: #FFFFFF;
}

/* === Base === */
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-lobster); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-gold); }

.coin-icon {
  display: inline-block;
  width: 0.95em;
  height: 0.95em;
  background: #C5975B;
  border-radius: 50%;
  border: 1.5px solid #B8860B;
  vertical-align: -0.08em;
  margin: 0 0.18em;
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.45), 0 1px 2px rgba(184,134,11,0.25);
  flex-shrink: 0;
}

/* === Navigation === */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0,0,0,0.06);
  padding: var(--space-sm) var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}
.nav-logo:hover { color: var(--text-primary); }
.nav-links { display: flex; align-items: center; gap: var(--space-lg); margin-right: var(--space-lg); }
.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}
.nav-link:hover, .nav-link.active { color: var(--text-primary); }
#nav-user { margin-left: 0; }
.nav-balance {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  background: rgba(212,168,67,0.08);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-weight: 600;
  color: var(--color-gold);
  font-size: 0.85rem;
}

/* === Buttons === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  min-height: 44px;
  padding: 8px 20px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  border: none;
  transition: all var(--transition-normal);
}

button,
+[role="button"],
+.btn {
  min-height: 44px;
}
.btn-primary {
  background: var(--color-lobster);
  color: white;
  box-shadow: 0 2px 8px rgba(232,98,44,0.2);
}
.btn-primary:hover { background: var(--color-lobster-hover); transform: translateY(-1px); }
.btn-gold {
  background: linear-gradient(135deg, var(--color-gold), #C4952E);
  color: white;
  font-weight: 700;
}
.btn-gold:hover { box-shadow: 0 4px 14px rgba(212,168,67,0.3); transform: translateY(-1px); }
.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid rgba(0,0,0,0.12);
}
.btn-secondary:hover { border-color: var(--color-lobster); color: var(--color-lobster); }
.btn-sm { padding: 4px 14px; font-size: 0.8rem; }

/* === Cards === */
.card {
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}
.card:hover { box-shadow: var(--shadow-md); }
.card-clickable { cursor: pointer; }
.card-clickable:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.badge-gold { background: rgba(212,168,67,0.1); color: var(--color-gold); }
.badge-lobster { background: rgba(232,98,44,0.1); color: var(--color-lobster); }
.badge-green { background: rgba(45,157,108,0.1); color: var(--color-green); }
.badge-danger { background: rgba(220,53,69,0.1); color: var(--color-danger); }
.badge-waiting { background: rgba(45,157,108,0.1); color: var(--color-green); }
.badge-running { background: rgba(232,98,44,0.1); color: var(--color-lobster); }
.badge-finished { background: rgba(107,114,128,0.1); color: var(--text-muted); }

/* === Progress Bar === */
.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(0,0,0,0.06);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.progress-bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
  background: linear-gradient(90deg, var(--color-gold), var(--color-lobster));
}

/* === Inputs === */
.input {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  transition: border-color var(--transition-fast);
}
.input:focus { border-color: var(--color-lobster); box-shadow: 0 0 0 3px rgba(232,98,44,0.08); }
.input::placeholder { color: var(--text-muted); }

.select {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-size: 0.9rem;
  outline: none;
  cursor: pointer;
}

.label { display: block; font-size: 0.82rem; color: var(--text-secondary); margin-bottom: 4px; font-weight: 500; }

/* === Modal === */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  z-index: 200;
}
.modal {
  background: var(--bg-card);
  border: 1px solid rgba(0,0,0,0.08);
  border-radius: var(--radius-2xl);
  padding: var(--space-2xl);
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-xl);
}

/* === API Guide Modal (Wider for better readability) === */
.api-guide-modal,
.lobster-guide-modal,
.modal.wide,
#create-lobster-modal .modal {
  max-width: 700px !important;
  width: 90vw !important;
}

/* === API Guide Copy Buttons === */
.copy-all-btn {
  display: block;
  width: 100%;
  padding: 14px 24px;
  font-size: 1.1rem;
  font-weight: 700;
  background: #C5975B;
  color: white;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  margin: 16px 0;
  text-align: center;
  transition: all 0.2s ease;
}

.copy-all-btn:hover {
  background: #B8864A;
  transform: scale(1.02);
}

.step-copy-btn {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.8rem;
  background: rgba(197, 151, 91, 0.2);
  color: #C5975B;
  border: 1px solid #C5975B;
  border-radius: 4px;
  cursor: pointer;
  margin-left: 8px;
  transition: all 0.2s ease;
}

.step-copy-btn:hover {
  background: rgba(197, 151, 91, 0.3);
  transform: scale(1.05);
}

/* === Toast Animations === */
@keyframes slideInRight {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

@keyframes slideOutRight {
  from {
    transform: translateX(0);
    opacity: 1;
  }
  to {
    transform: translateX(100%);
    opacity: 0;
  }
}
.modal h2 { font-size: 1.3rem; font-weight: 700; margin-bottom: var(--space-lg); }

/* === Section === */
.section-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.section-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
}
.section-divider::before, .section-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(0,0,0,0.08);
}

/* === Filter === */
.filter-btn {
  padding: 6px 16px;
  border-radius: var(--radius-full);
  border: 1px solid rgba(0,0,0,0.08);
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.filter-btn:hover { border-color: var(--color-lobster); color: var(--text-primary); }
.filter-btn.active { background: var(--color-lobster); color: white; border-color: var(--color-lobster); }

/* === Arena Dark Theme (for battle area only) === */
.arena-dark {
  background: linear-gradient(180deg, #1a0e35 0%, var(--arena-bg) 100%);
  color: var(--arena-text);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}
.arena-dark .arena-title {
  font-size: 1.6rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--arena-gold);
  text-shadow: 0 0 30px rgba(197,151,91,0.3);
}
.arena-dark .battle-box {
  background: rgba(255,255,255,0.95);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  padding: 8px 14px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

/* === Animations === */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
.animate-fadeIn { animation: fadeIn 0.4s ease both; }
.animate-slideUp { animation: slideUp 0.5s ease both; }
.stagger-1 { animation-delay: 0.05s; }
.stagger-2 { animation-delay: 0.1s; }
.stagger-3 { animation-delay: 0.15s; }
.stagger-4 { animation-delay: 0.2s; }
.stagger-5 { animation-delay: 0.25s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* === Utility === */
.text-gold { color: var(--color-gold); }
.text-lobster { color: var(--color-lobster); }
.text-green { color: var(--color-green); }
.text-danger { color: var(--color-danger); }
.text-muted { color: var(--text-muted); }
.text-sm { font-size: 0.85rem; }
.text-xs { font-size: 0.75rem; }
.text-center { text-align: center; }
.font-bold { font-weight: 700; }
.font-mono { font-family: var(--font-mono); }
.hidden { display: none !important; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 var(--space-xl); }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.mt-md { margin-top: var(--space-md); }
.mb-md { margin-bottom: var(--space-md); }

/* === Mobile Responsive === */
@media (max-width: 768px) {
    /* Mobile navigation - show hamburger menu */
    .nav { 
        padding: 8px 12px; 
        justify-content: space-between;
        flex-wrap: wrap;
        position: relative;
    }
    
    .nav-logo { 
        font-size: 1rem;
        order: 1;
    }
    
    .nav-hamburger {
        display: block;
        order: 2;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--text-secondary);
        padding: 4px 8px;
        margin-left: auto;
    }
    
    .nav-links-container {

    
        display: none !important;

    
        order: 3;

    
        width: 100%;

    
        background: var(--bg-nav) !important;

    
        border-bottom: 1px solid rgba(0,0,0,0.06);

    
        box-shadow: var(--shadow-lg);

    
        padding: 12px;

    
        flex-direction: column;

    
        gap: 8px;

    
        position: absolute;

    
        top: 100%;

    
        left: 0;

    
        right: 0;

    
        z-index: 10000 !important;

    
        backdrop-filter: blur(20px);

    
    }


    
    .nav-links-container.open {

    
        display: flex !important;

    
    }


    
    .nav-link-mobile {

    
        display: block !important;

    
        padding: 10px 12px;

    
        border-radius: var(--radius-md);

    
        color: var(--text-primary) !important;

    
        font-weight: 500;

    
        font-size: 0.9rem;

    
        text-decoration: none;

    
        transition: background var(--transition-fast);

    
    }
    
    .nav-links-container.open {
        display: flex;
    }
    
    .nav-links-mobile {
        display: flex !important;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .nav-link-mobile {
        display: block !important;
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-radius: var(--radius-md);
        color: var(--text-primary);
        font-weight: 500;
        font-size: 0.9rem;
        text-decoration: none;
        transition: background var(--transition-fast);
    }
    
    .nav-link-mobile:hover,
    .nav-link-mobile.active {
        background: var(--bg-secondary);
        color: var(--text-primary);
    }
    
    .nav-auth-mobile {
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-top: 8px;
        padding-top: 12px;
        border-top: 1px solid rgba(0,0,0,0.08);
    }
    
    .nav-auth-mobile .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Hide desktop nav elements */
    .nav-links,
    #nav-guest,
    #nav-user,
    
    #lobster-selector {
        display: none !important;
    }
    
    /* Keep language switcher visible on mobile */
    #lang-switch {
        display: inline-block !important;
        font-size: 0.7rem !important;
        padding: 2px 6px !important;
    }    
    /* Show mobile language selector */
    .lang-mobile {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px 12px;
        margin-top: 8px;
    }
    
    .lang-mobile select {
        flex: 1;
        padding: 6px 10px;
        border-radius: var(--radius-md);
        border: 1px solid rgba(0,0,0,0.1);
        background: var(--bg-card);
        font-size: 0.85rem;
        cursor: pointer;
        color: var(--text-primary);
    }
    
    .container { padding: var(--space-md); }
    
    /* Arena categories */
    .category-scroll { gap: var(--space-sm); }
    
    /* Gallery grid */
    .gallery-grid { grid-template-columns: 1fr !important; }
    
    /* Lobby */
    .room-card { padding: var(--space-md); }
    
    /* Battle combatants */
    .combatants { flex-direction: column; align-items: center; }
    .combatant { min-width: 120px; }
    
    /* Profile lobster grid */
    .lobster-grid { grid-template-columns: 1fr !important; }
    
    /* Modals */
    .modal { width: 95%; margin: var(--space-md); max-height: 90vh; overflow-y: auto; }
    
    /* API Guide Modal - Mobile optimization */
    .api-guide-modal,
    .lobster-guide-modal,
    .modal.wide,
    #create-lobster-modal .modal {
      width: 100vw !important;
      max-width: 100vw !important;
      margin: 0 !important;
      border-radius: 0 !important;
      max-height: 100vh !important;
    }
    
    /* Copy buttons - Mobile friendly */
    .copy-all-btn {
      font-size: 1rem;
      padding: 12px 20px;
    }
    
    .step-copy-btn {
      margin-top: 8px;
      margin-left: 0;
      font-size: 0.75rem;
    }
    
    /* Step items - Mobile layout */
    .step-item code {
      font-size: 0.75rem !important;
      word-break: break-all;
    }
    
    /* Cards */
    .card { padding: var(--space-md); }
    
    /* Buttons */
    .btn { padding: 8px 16px; font-size: 0.85rem; }
    .btn-sm { padding: 6px 12px; font-size: 0.75rem; }
    
    /* Score comparison */
    #score-comparison { flex-direction: column; }
    
    /* Guide two-column */
    .guide-modes { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
    /* Mobile navigation */
    .nav {
        padding: 8px 12px;
        justify-content: space-between;
        flex-wrap: wrap;
        position: relative;
    }
    
    .nav-logo {
        font-size: 1rem;
        order: 1;
    }
    
    .nav-hamburger {
        display: block;
        order: 2;
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--text-secondary);
        padding: 4px 8px;
        margin-left: auto;
    }
    
    .nav-links-container {

    
        display: none !important;

    
        order: 3;

    
        width: 100%;

    
        background: var(--bg-nav) !important;

    
        border-bottom: 1px solid rgba(0,0,0,0.06);

    
        box-shadow: var(--shadow-lg);

    
        padding: 12px;

    
        flex-direction: column;

    
        gap: 8px;

    
        position: absolute;

    
        top: 100%;

    
        left: 0;

    
        right: 0;

    
        z-index: 10000 !important;

    
        backdrop-filter: blur(20px);

    
    }


    
    .nav-links-container.open {

    
        display: flex !important;

    
    }


    
    .nav-link-mobile {

    
        display: block !important;

    
        padding: 10px 12px;

    
        border-radius: var(--radius-md);

    
        color: var(--text-primary) !important;

    
        font-weight: 500;

    
        font-size: 0.9rem;

    
        text-decoration: none;

    
        transition: background var(--transition-fast);

    
    }
    
    .nav-links-container.open {
        display: flex;
    }
    
    .nav-links-mobile {
        display: flex !important;
        display: flex;
        flex-direction: column;
        gap: 8px;
    }
    
    .nav-link-mobile {
        display: block !important;
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 12px;
        border-radius: var(--radius-md);
        color: var(--text-primary);
        font-weight: 500;
        font-size: 0.9rem;
        text-decoration: none;
        transition: background var(--transition-fast);
    }
    
    .nav-link-mobile:hover,
    .nav-link-mobile.active {
        background: var(--bg-secondary);
        color: var(--text-primary);
    }
    
    .nav-auth-mobile {
        display: flex;
        flex-direction: column;
        gap: 8px;
        margin-top: 8px;
        padding-top: 12px;
        border-top: 1px solid rgba(0,0,0,0.08);
    }
    
    .nav-auth-mobile .btn {
        width: 100%;
        justify-content: center;
    }
    
    /* Hide desktop nav elements */
    .nav-links,
    #nav-guest,
    #nav-user,
    
    #lobster-selector {
        display: none !important;
    }
    
    /* Keep language switcher visible on mobile */
    #lang-switch {
        display: inline-block !important;
        font-size: 0.7rem !important;
        padding: 2px 6px !important;
    }    
    /* Show mobile language selector */
    .lang-mobile {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 8px 12px;
        margin-top: 8px;
    }
    
    .lang-mobile select {
        flex: 1;
        padding: 6px 10px;
        border-radius: var(--radius-md);
        border: 1px solid rgba(0,0,0,0.1);
        background: var(--bg-card);
        font-size: 0.85rem;
        cursor: pointer;
        color: var(--text-primary);
    }
    
    .battle-title { font-size: 1.3rem; }
    .countdown { font-size: 2.5rem; }
    
    h1 { font-size: 1.5rem; }
    h2 { font-size: 1.2rem; }
}

/* Mobile nav override */
@media (max-width: 768px) {
  .nav-links-container:not(.open) { display: none !important; }
}

/* Currency Icons */
.icon-diamond, .icon-coin {
    display: inline-block;
    width: 18px;
    height: 18px;
    vertical-align: middle;
    margin-right: 2px;
}
.icon-diamond { background: url('icons/diamond.svg') center/contain no-repeat; }
.icon-coin { background: url('icons/coin.svg') center/contain no-repeat; }
.icon-diamond-sm, .icon-coin-sm {
    display: inline-block;
    width: 14px;
    height: 14px;
    vertical-align: middle;
    margin-right: 1px;
}
.icon-diamond-sm { background: url('icons/diamond.svg') center/contain no-repeat; }
.icon-coin-sm { background: url('icons/coin.svg') center/contain no-repeat; }
.icon-diamond-lg, .icon-coin-lg {
    display: inline-block;
    width: 24px;
    height: 24px;
    vertical-align: middle;
    margin-right: 3px;
}
.icon-diamond-lg { background: url('icons/diamond.svg') center/contain no-repeat; }
.icon-coin-lg { background: url('icons/coin.svg') center/contain no-repeat; }

/* Always-visible balance bar in nav */
.nav-balance-bar {
    display: none;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-right: 8px;
}
.nav-balance-bar.visible {
    display: flex !important;
}

/* Battle Scene CSS */
.battle-stage {
    position: relative;
    width: 100%;
    height: 400px;
    background: url('hex-stage.jpg') center center / cover no-repeat;
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 40px rgba(27, 45, 107, 0.5);
    border: 1px solid rgba(197, 151, 91, 0.3);
}

/* 舞台上方暗角遮罩，让标题更清晰 */
.battle-stage::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, transparent 30%, transparent 70%, rgba(0,0,0,0.3) 100%);
    pointer-events: none;
    z-index: 1;
}

/* 舞台标题发光 */
.battle-stage .arena-title {
    text-shadow: 0 0 20px rgba(197, 151, 91, 0.8), 0 0 40px rgba(197, 151, 91, 0.4);
}

/* Base style for lobsters - updated for 4 lobsters */
.battle-left, .battle-right {
    position: absolute;
    width: 150px;
    height: 200px; /* 增加高度容纳2只龙虾 */
    bottom: 15%; /* 稍微调整位置 */
    z-index: 2;
    transition: all 0.5s ease-out;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.5));
}

.battle-left {
    left: 15%;
    transform: scaleX(1); /* Face right */
    animation: float-left 3s ease-in-out infinite;
}

.battle-right {
    right: 15%;
    /* scaleX(-1) moved to img only, so name text is not mirrored */
    animation: float-right 3.2s ease-in-out infinite;
}

.battle-vs {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    font-weight: 900;
    color: var(--color-accent, #C5975B);
    text-shadow: 0 0 20px rgba(197, 151, 91, 0.8), 2px 2px 0 #000;
    z-index: 5;
    animation: pulse-vs 2s infinite;
    font-style: italic;
    letter-spacing: -2px;
}

.score-reveal {
    font-size: 3rem;
    font-weight: bold;
    color: white;
    text-align: center;
    animation: pop-in 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    text-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

.winner-glow {
    position: absolute;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(197, 151, 91, 0.6) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 1;
    animation: winner-pulse 2s infinite, rotate-glow 10s linear infinite;
    mix-blend-mode: screen;
}

@keyframes float-left {
    0%, 100% { transform: translateY(0) scaleX(1); }
    50% { transform: translateY(-15px) scaleX(1); }
}

@keyframes float-right {
    0%, 100% { transform: translateY(0) scaleX(-1); }
    50% { transform: translateY(-15px) scaleX(-1); }
}

@keyframes pulse-vs {
    0%, 100% { transform: scale(1); text-shadow: 0 0 20px rgba(197, 151, 91, 0.8); }
    50% { transform: scale(1.1); text-shadow: 0 0 40px rgba(197, 151, 91, 1); }
}

@keyframes pop-in {
    0% { opacity: 0; transform: scale(0.5) translateY(20px); }
    100% { opacity: 1; transform: scale(1) translateY(0); }
}

@keyframes winner-pulse {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

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

/* Mobile responsive for battle stage - updated for 4 lobsters arc layout */
@media (max-width: 768px) {
    .battle-stage { height: 320px; } /* 增加高度 */
    /* 4只龙虾圆弧布局 - 移动端调整 */
    .fighter-position-1 { 
        left: 5% !important; 
        top: 25% !important; 
        transform: rotate(-10deg) !important; 
    }
    .fighter-position-2 { 
        left: 10% !important; 
        bottom: 20% !important; 
        transform: rotate(10deg) !important; 
    }
    .fighter-position-3 { 
        right: 5% !important; 
        top: 25% !important; 
        transform: rotate(10deg) !important; 
    }
    .fighter-position-4 { 
        right: 10% !important; 
        bottom: 20% !important; 
        transform: rotate(-10deg) !important; 
    }
    /* 4只龙虾图片缩放 - 移动端 */
    .fighter-position-1 img, .fighter-position-2 img, 
    .fighter-position-3 img, .fighter-position-4 img { 
        width: 120px !important; 
        height: 120px !important; 
    }
    .battle-vs { font-size: 2rem; }
    /* 能量条/信息框要小 */
    .battle-box { transform: scale(0.65); transform-origin: center bottom; }
    .arena-title { font-size: 1rem !important; }
    .arena-dark .arena-title + div { font-size: 0.55rem !important; }
    /* 4只龙虾的名字标签 */
    #fighter-left-1, #fighter-left-2, #fighter-right-1, #fighter-right-2 { 
        font-size: 0.6rem !important; 
        padding: 2px 5px !important; 
    }
}

@media (max-width: 480px) {
    .battle-stage { height: 280px; } /* 增加高度适应4只龙虾 */
    /* 4只龙虾圆弧布局 - 超小屏调整 */
    .fighter-position-1 { 
        left: 8% !important; 
        top: 30% !important; 
        transform: rotate(-8deg) !important; 
    }
    .fighter-position-2 { 
        left: 12% !important; 
        bottom: 25% !important; 
        transform: rotate(8deg) !important; 
    }
    .fighter-position-3 { 
        right: 8% !important; 
        top: 30% !important; 
        transform: rotate(8deg) !important; 
    }
    .fighter-position-4 { 
        right: 12% !important; 
        bottom: 25% !important; 
        transform: rotate(-8deg) !important; 
    }
    /* 4只龙虾图片缩放 - 超小屏 */
    .fighter-position-1 img, .fighter-position-2 img, 
    .fighter-position-3 img, .fighter-position-4 img { 
        width: 90px !important; 
        height: 90px !important; 
    }
    .battle-vs { font-size: 1.5rem; }
    /* 信息框更小 */
    .battle-box { transform: scale(0.5); transform-origin: center bottom; }
    .arena-title { font-size: 0.8rem !important; }
    /* 4只龙虾的名字标签 - 超小屏 */
    #fighter-left-1, #fighter-left-2, #fighter-right-1, #fighter-right-2 { 
        font-size: 0.55rem !important; 
        padding: 1px 4px !important; 
    }
}