/* ==========================================================================
   NCSK Unified Design System Library (ncskui.css)
   Official Brand Specification — Single Source of Truth
   ========================================================================== */

@layer ncsk.reset, ncsk.tokens, ncsk.base, ncsk.surfaces, ncsk.components, app;

/* ── 1. Local Font Definitions ── */
@font-face {
  font-family: 'Outfit'; font-style: normal; font-weight: 100 900; font-display: swap;
  src: url('/ncskui/fonts/Outfit-wght-latin.woff2') format('woff2');
}
@font-face {
  font-family: 'JetBrains Mono'; font-style: normal; font-weight: 100 800; font-display: swap;
  src: url('/ncskui/fonts/JetBrainsMono-wght-latin.woff2') format('woff2');
}

/* ── 2. Official Brand & System Tokens (Aligned with ncsk-landing) ── */
@layer ncsk.tokens {
  :root {
    --ncsk-primary:   #1C79E9;
    --ncsk-gradient:  linear-gradient(135deg, #32D0F3 0%, #1C79E9 100%);
    --ncsk-success:   #498EE8;
    --ncsk-warning:   #F59E0B;
    --ncsk-danger:    #ff4d4f;
    --ncsk-white:     #FFFFFF;
    --ncsk-black:     #1E293B; /* Soft dark slate instead of pure black */
    --ncsk-gray:      #cbd4e6;
    --ncsk-gray-dim:  #93a2bd;

    --ncsk-font:      'Outfit', sans-serif;
    --ncsk-font-mono: 'JetBrains Mono', monospace;

    --ncsk-radius:        2px;
    --ncsk-header-height: 5.25rem;
    
    --space-xs: 0.25rem; --space-sm: 0.5rem; 
    --space-md: 1rem;    --space-lg: 1.5rem; --space-xl: 2.5rem;
    
    --motion-fast: 0.15s ease; --motion-base: 0.25s ease;

    --z-below: -1; --z-base: 1; --z-elevated: 10;
    --z-dock: 50; --z-header: 100; --z-dropdown: 200; 
    --z-modal: 1000; --z-lightbox: 10000; --z-loader: 99999;

    --ncsk-text:              var(--ncsk-white);
    --ncsk-text-muted:        var(--ncsk-gray);
    --ncsk-text-dim:          #E2E8F0;
    --ncsk-text-inverse:      var(--ncsk-black);
    --ncsk-text-service-name: var(--ncsk-white);
    --ncsk-text-glow:         none;
    
    /* Sheer Pass-Through Glass Surfaces (ncsk-landing signature style) */
    --ncsk-surface-0:        rgba(3, 4, 7, 0.30);      
    --ncsk-surface-1:        rgba(10, 14, 23, 0.30); /* Increased +10% for dark readability */ 
    --ncsk-surface-2:        rgba(4, 6, 12, 0.45);   /* Recessed Wells */   
    --ncsk-surface-3:        rgba(255, 255, 255, 0.05); /* Elevated Cards */   
    --ncsk-surface-hover:    rgba(255, 255, 255, 0.09);   
    
    --ncsk-glass-specular:   linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.01) 100%);
    --ncsk-glass-border-top: inset 0 1px 0 0 rgba(255, 255, 255, 0.12);

    --ncsk-bg-modal:         #0a0e17;
    --ncsk-header-bg:        rgba(3, 4, 5, 0.75);
    
    --ncsk-border:           rgba(255, 255, 255, 0.08);
    --ncsk-border-hover:     rgba(255, 255, 255, 0.18);
    --ncsk-border-glow:      rgba(50, 210, 243, 0.15);
    
    --ncsk-btn-neutral-bg:   rgba(255, 255, 255, 0.06);
    --ncsk-btn-neutral-hover:rgba(255, 255, 255, 0.12);

    --ncsk-input-bg:         rgba(255, 255, 255, 0.06);
    --ncsk-input-focus:      rgba(255, 255, 255, 0.14);

    --ncsk-shadow-md:        0 12px 30px -4px rgba(0, 0, 0, 0.5), 0 0 40px rgba(50, 210, 243, 0.03);
    --ncsk-shadow-dropdown:  0 8px 24px rgba(0, 0, 0, 0.75), 0 2px 6px rgba(0, 0, 0, 0.5);
    
    /* Dynamic Floating Dock & Sidebar Tokens */
    --ncsk-sidebar-bg:       rgba(10, 14, 23, 0.85);
    --ncsk-dock-bg:          rgba(10, 14, 23, 0.82);
    --ncsk-dock-border:      rgba(255, 255, 255, 0.12);
    --ncsk-dock-shadow:      0 10px 30px -5px rgba(0, 0, 0, 0.5), 0 0 20px rgba(50, 210, 243, 0.06);
  }

  :root.light {
    --ncsk-text:              #1E293B;
    --ncsk-text-muted:        #475569;
    --ncsk-text-dim:          #0F172A;
    --ncsk-text-inverse:      var(--ncsk-white);
    --ncsk-text-service-name: #334155;
    --ncsk-text-glow:         none;
    
    /* Sheer Translucent Light Glass Surfaces (Dither Canvas Fully Visible) */
    --ncsk-surface-0:         rgba(248, 250, 252, 0.25);
    --ncsk-surface-1:         rgba(255, 255, 255, 0.28);
    --ncsk-surface-2:         rgba(241, 245, 249, 0.40);
    --ncsk-surface-3:         rgba(255, 255, 255, 0.32);
    --ncsk-surface-hover:     rgba(255, 255, 255, 0.55);
    
    --ncsk-glass-specular:   linear-gradient(135deg, rgba(255, 255, 255, 0.45) 0%, rgba(255, 255, 255, 0.05) 100%);
    --ncsk-glass-border-top: inset 0 1px 0 0 rgba(255, 255, 255, 0.70);

    --ncsk-bg-modal:          #ffffff;
    --ncsk-header-bg:         rgba(255, 255, 255, 0.65);
    --ncsk-sidebar-bg:        rgba(255, 255, 255, 0.85);
    --ncsk-border:            rgba(0, 0, 0, 0.08);
    --ncsk-border-hover:      rgba(0, 0, 0, 0.16);
    --ncsk-border-glow:       rgba(28, 121, 233, 0.35);
    
    --ncsk-btn-neutral-bg:    rgba(0, 0, 0, 0.04);
    --ncsk-btn-neutral-hover: rgba(0, 0, 0, 0.08);
    --ncsk-input-bg:          rgba(255, 255, 255, 0.50);
    --ncsk-input-focus:       rgba(255, 255, 255, 0.75);
    
    --ncsk-shadow-md:         0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 2px 6px -2px rgba(15, 23, 42, 0.03);
    --ncsk-shadow-dropdown:   0 6px 18px -2px rgba(15, 23, 42, 0.12), 0 2px 4px -1px rgba(15, 23, 42, 0.06);

    /* Light Mode Floating Dock Tokens */
    --ncsk-dock-bg:          rgba(255, 255, 255, 0.75);
    --ncsk-dock-border:      rgba(0, 0, 0, 0.08);
    --ncsk-dock-shadow:      0 10px 30px -5px rgba(15, 23, 42, 0.12), 0 0 15px rgba(28, 121, 233, 0.06);
  }
}

/* ── 3. CSS Reset & Font Icon Limits ── */
@layer ncsk.reset {
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; -webkit-tap-highlight-color: transparent; }
  a { color: inherit; text-decoration: none; }
  html { color: var(--ncsk-text); font-family: var(--ncsk-font); line-height: 1.5; -webkit-font-smoothing: antialiased; min-height: 100vh; font-size: 16px; }
  body { color: var(--ncsk-text); font-family: var(--ncsk-font); line-height: 1.5; -webkit-font-smoothing: antialiased; overflow-x: hidden; overflow-y: auto; display: flex; flex-direction: column; }

  @media (max-width: 800px) {
    html { font-size: clamp(12.5px, 4.1vw, 20px); }
  }
  
  /* Lock image/svg rendering to prevent FOUC expansions across desktop & mobile */
  img, video, svg { max-width: 100%; display: block; }
  
  button, input, textarea, select { font-family: inherit; color: inherit; }
  :focus-visible { outline: 2px solid var(--ncsk-primary); outline-offset: 2px; }
  
  /* Strict icon size locking against FOUC blowups */
  i[class^="ti-"], i[class*=" ti-"] {
    display: inline-block;
    width: 1em; height: 1em;
    font-size: 1rem;
    vertical-align: -0.125em;
    overflow: hidden;
  }

  /* --------------------------------------------------------------------------
     Universal Brand Logo & Mobile Dock FOUC Prevention — handled externally
     -------------------------------------------------------------------------- */
  
  /* Text selection */
  ::selection { background: rgba(26, 115, 232, 0.35); color: var(--ncsk-text); }

  /* Firefox scrollbar */
  html { scrollbar-width: thin; scrollbar-color: var(--ncsk-border-hover) transparent; }

  /* Webkit scrollbar (Chrome/Blink/Safari) */
  @media (min-width: 801px) {
    ::-webkit-scrollbar { width: 0.5rem; height: 0.5rem; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: var(--ncsk-border-hover); border-radius: var(--ncsk-radius); }
    ::-webkit-scrollbar-thumb:hover { background: var(--ncsk-primary); }
  }
  @media (max-width: 800px) {
    ::-webkit-scrollbar { width: 0.25rem; height: 0.25rem; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: var(--ncsk-border-hover); border-radius: var(--ncsk-radius); }
  }
}
/* ── 4. Layout & Typography Utilities ── */
@layer ncsk.base {
  .app-container { position: relative; display: flex; flex-direction: column; flex: 1; width: 100%; min-height: 100vh; }
  .main-content { position: relative; flex: 1; width: 100%; }
  .view-body { position: relative; z-index: var(--z-base); flex: 1; width: 100%; max-width: 80rem; margin: 0 auto; padding: var(--space-lg) var(--space-xl); }
  .ncsk-container { position: relative; z-index: var(--z-base); width: 100%; max-width: 80rem; margin: 0 auto; padding: 0 1.5rem; }

  /* Grid utilities */
  .ncsk-grid-auto { display: grid; gap: var(--space-md); grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); }
  .ncsk-grid-dense { display: grid; gap: var(--space-sm); grid-template-columns: repeat(auto-fill, minmax(12rem, 1fr)); }
  
  .app-view { display: none; position: relative; z-index: var(--z-base); width: 100%; }
  .app-view.active { display: flex !important; flex-direction: column; flex: 1; }

  .ncsk-flex { display: flex; }
  .ncsk-flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--space-md); }
  .ncsk-flex-center { display: flex; align-items: center; justify-content: center; }
  .ncsk-stack { display: flex; flex-direction: column; }
  
  .ncsk-grid { display: grid; gap: var(--space-md); }
  .ncsk-grid-2 { grid-template-columns: repeat(2, 1fr); }
  .ncsk-grid-3 { grid-template-columns: repeat(3, 1fr); }
  .ncsk-grid-auto { grid-template-columns: repeat(auto-fill, minmax(8.75rem, 1fr)); }

  /* Typography Utilities (Aligned with ncsk-landing specs) */
  .ncsk-title-hero { font-size: 1.6rem; font-weight: 700; line-height: 1.2; color: var(--ncsk-text); text-shadow: var(--ncsk-text-glow); }
  .ncsk-title-card { font-size: 1rem; font-weight: 600; letter-spacing: -0.01em; color: var(--ncsk-text); }
  .ncsk-text-body { font-size: 0.875rem; font-weight: 400; color: var(--ncsk-text); line-height: 1.5; }
  .ncsk-title-section { font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.25em; color: var(--ncsk-text-dim); text-shadow: var(--ncsk-text-glow); margin-bottom: var(--space-sm); display: flex; align-items: center; gap: 0.375rem; }
  .ncsk-text-caption { font-size: 0.68rem; font-weight: 500; color: var(--ncsk-text-muted); }
  .ncsk-text-gradient { background: var(--ncsk-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; }
  .ncsk-text-glow { text-shadow: var(--ncsk-text-glow); }
  .ncsk-stat-mono { font-family: var(--ncsk-font-mono); font-size: 0.75rem; font-weight: 600; color: var(--ncsk-primary); }

  .ncsk-initial { font-size: 1.3em; font-weight: 800; color: var(--ncsk-primary); background: var(--ncsk-gradient); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; line-height: 1; }
  .ncsk-info-main { font-family: var(--ncsk-font); font-size: 0.85rem; font-weight: 600; color: var(--ncsk-text); line-height: 1.3; }
  .ncsk-info-secondary { font-family: var(--ncsk-font); font-size: 0.75rem; font-weight: 400; color: var(--ncsk-text-muted); line-height: 1.3; }
  .ncsk-info-value { font-family: var(--ncsk-font); font-size: 0.85rem; font-weight: 600; color: var(--ncsk-primary); line-height: 1.3; }

@media (max-width: 800px) {
    .main-content { padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0px)); }
    .view-body { padding: var(--space-md) 0.75rem calc(5rem + env(safe-area-inset-bottom, 0px)); }
    .ncsk-grid-2, .ncsk-grid-3 { grid-template-columns: 1fr; }
    
    /* 1. Lock the outer body so the URL bar never resizes the screen */
    html, body {
      height: 100%;
      height: 100dvh;
      overflow: hidden !important; 
    }
    
    /* 2. Shift all scrolling to the app container instead */
    .app-container {
      height: 100%;
      height: 100dvh;
      width: 100%;
      max-width: 100vw;
      box-sizing: border-box;
      overflow-y: auto;
      overflow-x: hidden;
      -webkit-overflow-scrolling: touch; /* Smooth momentum scrolling on iOS */
      scrollbar-width: none !important; /* Eliminate non-overlay scrollbar gutter gap on right edge */
    }
    .app-container::-webkit-scrollbar {
      display: none !important;
      width: 0 !important;
      height: 0 !important;
    }
  }

  /* Lock the app-container scroll whenever a modal or lightbox is open */
  body:has(.ncsk-modal.open, .ncsk-lightbox.active, .book-info-sheet.open) .app-container {
    overflow: hidden !important;
  }
}
/* ── 5. The Surface Elevation System (Sheer Pass-Through Glass) ── */
@layer ncsk.surfaces {
  .ncsk-canvas-overlay {
    position: fixed; inset: 0; z-index: var(--z-base); pointer-events: none; 
    background: var(--ncsk-surface-0); transition: background var(--motion-base); 
  }

  .ncsk-panel {
    position: relative; z-index: var(--z-elevated); 
    background: var(--ncsk-glass-specular), var(--ncsk-surface-1); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    border: 1px solid var(--ncsk-border); border-radius: calc(var(--ncsk-radius) * 2);
    box-shadow: var(--ncsk-glass-border-top), 0 2px 8px rgba(0, 0, 0, 0.04); padding: var(--space-lg);
    transition: background var(--motion-base), box-shadow var(--motion-base), border-color var(--motion-base);
  }

  .ncsk-well {
    background: var(--ncsk-surface-2); border-radius: var(--ncsk-radius);
    padding: var(--space-md); border: 1px solid var(--ncsk-border);
  }

  /* Sheer pass-through card allowing dither canvas animation to shine through */
  .ncsk-card {
    position: relative; background: var(--ncsk-glass-specular), var(--ncsk-surface-3);
    border: 1px solid var(--ncsk-border); border-radius: var(--ncsk-radius);
    box-shadow: var(--ncsk-glass-border-top), 0 2px 6px rgba(0, 0, 0, 0.06); padding: var(--space-md);
    transition: border-color var(--motion-base), background var(--motion-base), box-shadow var(--motion-base);
  }
  
  .ncsk-card-interactive {
    position: relative; cursor: pointer; 
    transition: transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.22s ease, border-color 0.22s ease, background 0.22s ease;
    -webkit-backface-visibility: hidden; backface-visibility: hidden;
  }
  
  .ncsk-card-interactive::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px;
    border-bottom-left-radius: var(--ncsk-radius); border-bottom-right-radius: var(--ncsk-radius);
    background: var(--ncsk-gradient); transform: scaleX(0); transform-origin: left; transition: transform var(--motion-base);
  }

  @media (hover: hover) {
    .ncsk-card-interactive:hover {
      position: relative;
      z-index: 2;
      transform: translateY(-2px);
      background: var(--ncsk-glass-specular), var(--ncsk-surface-hover);
      border-color: var(--ncsk-border-glow);
      box-shadow: var(--ncsk-glass-border-top), 0 4px 12px rgba(0, 0, 0, 0.12), 0 0 10px rgba(50, 210, 243, 0.05);
    }
    .ncsk-card-interactive:hover::after { transform: scaleX(1); }
  }
  .ncsk-card-interactive.ncsk-touch-active {
    position: relative;
    z-index: 2;
    transform: translateY(-2px);
    background: var(--ncsk-glass-specular), var(--ncsk-surface-hover);
    border-color: var(--ncsk-border-glow);
    box-shadow: var(--ncsk-glass-border-top), 0 4px 12px rgba(0, 0, 0, 0.12), 0 0 10px rgba(50, 210, 243, 0.05);
  }
  .ncsk-card-interactive.ncsk-touch-active::after { transform: scaleX(1); }
}

/* ── 6. UI Components ── */
@layer ncsk.components {
  /* Header & Navigation Effects */
/* Toggle / Segmented Button Groups */
  .ncsk-toggle-group {
    display: inline-flex;
    align-items: center;
    height: 2.35rem;
    padding: 0.2rem;
    background: var(--ncsk-surface-1);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    border: 1px solid var(--ncsk-border);
    border-radius: calc(var(--ncsk-radius));
    box-shadow: var(--ncsk-glass-border-top), 0 2px 8px rgba(0, 0, 0, 0.06);
    gap: 0.125rem;
    flex-wrap: nowrap !important;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
  }

  .ncsk-toggle-group .toggle-opt {
    display: inline-flex;
    align-items: center;
    gap: 0.35em;
    padding: 0.3rem 0.65rem;
    font-size: 0.78rem;
    font-weight: 600;
    font-family: var(--ncsk-font);
    cursor: pointer;
    color: var(--ncsk-text-muted);
    background: transparent;
    border: none;
    border-radius: calc(var(--ncsk-radius) - 2px);
    transition: all var(--motion-fast);
    user-select: none;
    line-height: 1.2;
    white-space: nowrap;
    flex-shrink: 1;
  }

  .ncsk-toggle-group .toggle-opt i {
    font-size: 1.05em;
    flex-shrink: 0;
  }

  @media (hover: hover) {
    .ncsk-toggle-group .toggle-opt:hover {
      color: var(--ncsk-text);
      background: var(--ncsk-btn-neutral-hover);
    }
  }

  /* Active / Selected option */
  .ncsk-toggle-group .toggle-opt.active {
    background: var(--ncsk-surface-hover);
    color: var(--ncsk-text);
    box-shadow: var(--ncsk-glass-border-top), 0 1px 4px rgba(0, 0, 0, 0.2);
  }

  /* Light Mode Sheer Glass Overrides */
  :root.light .ncsk-toggle-group {
    background: rgba(255, 255, 255, 0.40);
    border-color: rgba(0, 0, 0, 0.08);
  }

  :root.light .ncsk-toggle-group .toggle-opt {
    color: var(--ncsk-text-muted);
  }

  @media (hover: hover) {
    :root.light .ncsk-toggle-group .toggle-opt:hover {
      color: var(--ncsk-text);
      background: rgba(255, 255, 255, 0.55);
    }
  }

  :root.light .ncsk-toggle-group .toggle-opt.active {
    color: var(--ncsk-text);
    background: rgba(255, 255, 255, 0.85);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08), var(--ncsk-glass-border-top);
  }

  /* Single Rotating Theme Button */
  .ncsk-theme-cycle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.25rem;
    height: 2.25rem;
    padding: 0;
    font-size: 1.15rem;
    color: var(--ncsk-text-muted);
    background: transparent;
    border: none;
    border-radius: var(--ncsk-radius);
    cursor: pointer;
    opacity: 0.85;
    transition: color var(--motion-fast), opacity var(--motion-fast);
    box-sizing: border-box;
  }
  @media (hover: hover) {
    .ncsk-theme-cycle-btn:hover {
      color: var(--ncsk-primary);
      background: transparent;
      border-color: transparent;
      opacity: 1;
    }
  }
  .ncsk-theme-cycle-btn i {
    transition: transform 0.25s ease;
  }
  .ncsk-theme-cycle-btn:active i {
    transform: rotate(45deg);
  }
  :root.light .ncsk-theme-cycle-btn {
    background: transparent !important;
    border: none !important;
    color: #475569;
  }
  :root.light .ncsk-theme-cycle-btn:hover {
    color: var(--ncsk-primary);
    background: transparent !important;
  }

  /* Theme Switcher Controls (Legacy 3-Way Segmented) */
  .ncsk-theme-toggle {
    display: inline-flex;
    align-items: center;
    padding: 0.2rem;
    background: var(--ncsk-surface-2);
    border: 1px solid var(--ncsk-border);
    border-radius: var(--ncsk-radius);
    gap: 0.15rem;
    height: 2.5rem;
    box-sizing: border-box;
  }
  .ncsk-theme-toggle .theme-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.1rem;
    height: 2.1rem;
    padding: 0;
    font-size: 1.05rem;
    color: var(--ncsk-text-muted);
    background: transparent;
    border: none;
    border-radius: calc(var(--ncsk-radius) - 1px);
    cursor: pointer;
    transition: all var(--motion-fast);
  }
  @media (hover: hover) {
    .ncsk-theme-toggle .theme-btn:hover {
      color: var(--ncsk-text);
      background: var(--ncsk-btn-neutral-hover);
    }
  }
  .ncsk-theme-toggle .theme-btn.active {
    background: var(--ncsk-surface-hover);
    color: var(--ncsk-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25);
  }
  :root.light .ncsk-theme-toggle {
    background: rgba(220, 228, 236, 0.85);
    border-color: rgba(0, 0, 0, 0.08);
  }
  :root.light .ncsk-theme-toggle .theme-btn.active {
    background: #ffffff;
    color: var(--ncsk-primary);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12);
  }  

  @media (max-width: 800px) {
    .ncsk-toggle-group .toggle-opt {
      padding: 0.3rem 0.5rem;
    }
  }

  .app-header {
    flex-shrink: 0; height: var(--ncsk-header-height); z-index: var(--z-header);
    display: flex; justify-content: space-between; align-items: center;
    padding: 0.35rem 1.5rem; background: var(--ncsk-header-bg);
    backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
    transition: background var(--motion-base), color var(--motion-base);
    border-bottom: 1px solid var(--ncsk-border);
    width: 100%; max-width: 100%; box-sizing: border-box;
  }
  .header-left { display: flex; align-items: center; justify-content: flex-start; min-width: 0; flex-shrink: 0; }
  .header-right { display: flex; align-items: center; justify-content: flex-end; gap: 1rem; min-width: 0; flex-shrink: 0; }
  .header-center { flex: 1; display: flex; justify-content: center; min-width: 0; }
  
  @media (max-width: 800px) {
    :root {
      --ncsk-header-height: 3.75rem;
    }
    
    .app-header {
      height: calc(var(--ncsk-header-height) + env(safe-area-inset-top, 0px));
      padding: 0.35rem 0.65rem;
      padding-top: calc(0.35rem + env(safe-area-inset-top, 0px));
      padding-left: calc(0.65rem + env(safe-area-inset-left, 0px));
      padding-right: calc(0.65rem + env(safe-area-inset-right, 0px));
      position: sticky;
      top: 0;
      width: 100%;
      max-width: 100vw;
      box-sizing: border-box;
      margin: 0;
      border-radius: 0;
    }
    .header-center { display: none; }
    
    .header-brand { gap: 0.35rem; }
    .header-logo, .brand-logo, .header-brand img, .brand img { height: 2.15rem; max-width: 6.5rem; }
    .header-service-name { height: 2.15rem; font-size: 0.68rem; letter-spacing: 0.1em; margin-bottom: 0 !important; }
    
    .header-right { gap: 0.5rem; flex-shrink: 0; }
    
    .header-username {
      display: inline-flex !important;
      align-items: center;
      font-size: 0.7rem;
      font-weight: 600;
      letter-spacing: 0.03em;
      color: var(--ncsk-text-muted);
      background: var(--ncsk-surface-2);
      border: 1px solid var(--ncsk-border);
      border-radius: var(--ncsk-radius);
      padding: 0.15rem 0.45rem;
      max-width: 5rem;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      line-height: 1.2;
    }
    
    .ncsk-theme-cycle-btn {
      width: 2rem;
      height: 2rem;
      font-size: 1.05rem;
      background: transparent !important;
      border: none !important;
      padding: 0;
      flex-shrink: 0;
    }
    
    .header-exit-link {
      display: inline-flex !important;
      align-items: center;
      gap: 0.25rem;
      padding: 0.2rem 0.35rem;
      height: auto;
      font-size: 0.72rem;
      font-weight: 500;
      color: var(--ncsk-text-muted);
      background: transparent !important;
      border: none !important;
      box-sizing: border-box;
      flex-shrink: 0;
      white-space: nowrap;
      opacity: 0.85;
      transition: color var(--motion-fast), opacity var(--motion-fast);
    }
    .header-exit-link svg {
      width: 0.85rem;
      height: 0.85rem;
      flex-shrink: 0;
    }
    .header-exit-link span {
      display: inline-block !important;
      font-size: 0.72rem;
      font-weight: 500;
      line-height: 1;
    }
  }
  
  .header-brand { display: flex; flex-direction: row; align-items: center; gap: 0.625rem; text-decoration: none; flex-shrink: 0; }
  .brand { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.125rem; text-decoration: none; flex-shrink: 0; margin: 0 auto; }
  .header-logo, .brand-logo, .header-brand img, .brand img { height: 2.75rem; width: auto; max-width: 10rem; object-fit: contain; display: block; }
  .header-service-name { height: 2.75rem; display: flex; align-items: center; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.15em; text-transform: uppercase; line-height: 1; white-space: nowrap; color: var(--ncsk-text-muted); opacity: 0.45; }
  .brand-name { font-size: 0.75rem; font-weight: 600; letter-spacing: 0.22em; text-transform: uppercase; margin-top: 0.25rem; line-height: 1; text-align: center; white-space: nowrap; width: 100%; display: block; color: var(--ncsk-text-service-name); }

  .header-nav { display: flex; align-items: center; gap: 1.5rem; }
  .header-nav-link {
    position: relative; display: inline-flex; align-items: center; gap: 0.375rem;
    padding: 0.5rem 0.25rem; font-size: 0.85rem; font-weight: 400;
    color: var(--ncsk-text-muted); text-decoration: none; background: transparent; transition: color var(--motion-fast);
  }
  .header-nav-link::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 2px;
    background: var(--ncsk-gradient); transform: scaleX(0); transform-origin: left;
    transition: transform var(--motion-base);
  }
  @media (hover: hover) {
    .header-nav-link:hover { color: var(--ncsk-text); background: transparent; }
    .header-nav-link:hover::after { transform: scaleX(1); }
  }
  .header-nav-link.active { color: var(--ncsk-text); }
  .header-nav-link.active::after { transform: scaleX(1); }
  
  .header-username {
    font-size: 0.76rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    color: var(--ncsk-text-muted);
    background: var(--ncsk-surface-2);
    border: 1px solid var(--ncsk-border);
    padding: 0.2rem 0.6rem;
    border-radius: var(--ncsk-radius);
    display: inline-flex;
    align-items: center;
    line-height: 1.2;
    transition: background var(--motion-fast), border-color var(--motion-fast);
  }
  :root.light .header-username {
    background: rgba(0, 0, 0, 0.03);
    border-color: var(--ncsk-border);
    color: #475569;
  }
  .header-exit-link {
    display: inline-flex; align-items: center; gap: 0.35rem;
    font-size: 0.8rem; font-weight: 500; color: var(--ncsk-text-muted);
    text-decoration: none; background: transparent; border: none; padding: 0.25rem 0.4rem;
    transition: color var(--motion-fast), opacity var(--motion-fast); opacity: 0.85;
  }
  .header-exit-link svg { width: 0.95rem; height: 0.95rem; }
  @media (hover: hover) { .header-exit-link:hover { color: var(--ncsk-primary); opacity: 1; } }

  /* Mobile Floating Glass Dock Navigation */
  .ncsk-dock { display: none; }
  @media (max-width: 800px) {
    .ncsk-dock {
      position: fixed;
      bottom: calc(0.625rem + env(safe-area-inset-bottom, 0px));
      left: 50%;
      transform: translateX(-50%) translateZ(0);
      width: min(calc(100vw - 1.5rem), 28rem);
      height: 3.25rem;
      z-index: var(--z-dock);
      display: flex;
      justify-content: space-around;
      align-items: center;
      padding: 0 0.35rem;
      background: var(--ncsk-dock-bg);
      border: 1px solid var(--ncsk-dock-border);
      border-radius: 9999px;
      box-shadow: var(--ncsk-dock-shadow);
      backdrop-filter: blur(6px) saturate(180%);
      -webkit-backdrop-filter: blur(6px) saturate(180%);
      transition: background var(--motion-base), border-color var(--motion-base), box-shadow var(--motion-base);
    }
    .ncsk-dock-item {
      display: flex;
      align-items: center;
      justify-content: center;
      flex: 1;
      height: 100%;
    }
    .ncsk-dock-btn {
      position: relative;
      display: inline-flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      gap: 0.1rem;
      padding: 0.25rem 0.25rem;
      font-size: 0.65rem;
      font-weight: 600;
      color: var(--ncsk-text-muted);
      background: transparent !important;
      border: none !important;
      border-radius: 0 !important;
      box-shadow: none !important;
      outline: none !important;
      cursor: pointer;
      width: 100%;
      height: 100%;
      transition: color var(--motion-fast), transform var(--motion-fast);
      line-height: 1;
    }
    .ncsk-dock-btn i { font-size: 1.15rem; transition: transform var(--motion-fast); }
    .ncsk-dock-btn span {
      position: relative;
      display: inline-block;
      white-space: nowrap;
      overflow: hidden;
      text-overflow: ellipsis;
      max-width: 100%;
      line-height: 1.1;
      padding-bottom: 0.15rem;
    }
    .ncsk-dock-btn span::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 100%;
      height: 2px;
      border-radius: 2px;
      background: var(--ncsk-gradient);
      transform: scaleX(0);
      transform-origin: center;
      transition: transform var(--motion-base);
    }
    @media (hover: hover) {
      .ncsk-dock-btn:hover {
        color: var(--ncsk-text);
        background: transparent !important;
      }
      .ncsk-dock-btn:hover i {
        transform: translateY(-1px);
      }
      .ncsk-dock-btn:hover span::after {
        transform: scaleX(1);
      }
    }
    .ncsk-dock-btn.active {
      color: var(--ncsk-primary);
      font-weight: 700;
      background: transparent !important;
    }
    .ncsk-dock-btn.active span::after {
      transform: scaleX(1);
    }
    .ncsk-dock-btn.ncsk-touch-active {
      transform: scale(0.94);
      background: transparent !important;
    }

    /* Dock dropdown positioning */
    .ncsk-dock-dropdown-wrapper { position: relative; }
    .ncsk-dock-dropdown-wrapper .ncsk-dropdown {
      position: absolute;
      bottom: calc(100% + 0.625rem);
      left: 50%;
      right: auto;
      transform: translateX(-50%);
      min-width: 11rem;
      max-width: calc(100vw - 2rem);
      background: var(--ncsk-bg-modal);
      border: 1px solid var(--ncsk-border);
      border-radius: 0.75rem;
      box-shadow: var(--ncsk-shadow-dropdown);
      padding: 0.35rem;
      display: none;
    }
    .ncsk-dock-dropdown-wrapper .ncsk-dropdown.open { display: block; }
    .ncsk-dock-chevron { font-size: 0.6rem; margin-top: 0.1rem; opacity: 0.7; }
  }

  /* Base Buttons */
  .ncsk-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.375rem;
    padding: 0.4rem 0.85rem; font-size: 0.8rem; font-weight: 600; font-family: var(--ncsk-font);
    border: none; border-radius: var(--ncsk-radius); cursor: pointer;
    transition: all var(--motion-fast); line-height: 1.2; white-space: nowrap;
  }
  .ncsk-btn-primary { background: var(--ncsk-primary); color: #ffffff; box-shadow: none; }
  @media (hover: hover) { .ncsk-btn-primary:hover { opacity: 0.88; transform: none; box-shadow: none; } }
  .ncsk-btn-primary.ncsk-touch-active { opacity: 0.88; transform: none; box-shadow: none; }
  
  .ncsk-btn-secondary { background: var(--ncsk-btn-neutral-bg); color: var(--ncsk-text); border: 1px solid var(--ncsk-border); }
  @media (hover: hover) { .ncsk-btn-secondary:hover { background: var(--ncsk-btn-neutral-hover); border-color: var(--ncsk-border-hover); color: var(--ncsk-text); } }
  
  .ncsk-btn-ghost { background: transparent; color: var(--ncsk-text-muted); border: none; border-radius: var(--ncsk-radius); padding: 0.35rem 0.5rem; }
  @media (hover: hover) { .ncsk-btn-ghost:hover { background: var(--ncsk-btn-neutral-bg); color: var(--ncsk-text); } }

  .ncsk-btn-text {
    position: relative; display: inline-flex; align-items: center; gap: 0.25rem;
    font-size: 0.78rem; font-weight: 600; background: transparent; border: none; cursor: pointer; padding-bottom: 0.125rem; color: var(--ncsk-text-muted);
  }
  .ncsk-btn-text::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 1.5px; background: var(--ncsk-primary); transform: scaleX(0); transition: transform var(--motion-base); }
  @media (hover: hover) { .ncsk-btn-text:hover { color: var(--ncsk-primary); } .ncsk-btn-text:hover::after { transform: scaleX(1); } }

  /* Inputs & Search */
  .ncsk-input, .ncsk-search {
    background: var(--ncsk-input-bg);
    backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
    border: 1px solid var(--ncsk-border);
    box-shadow: var(--ncsk-glass-border-top);
    border-radius: var(--ncsk-radius); transition: all var(--motion-base); color: var(--ncsk-text);
  }
  .ncsk-input:focus-within, .ncsk-search:focus-within { outline: none; background: var(--ncsk-input-focus); box-shadow: 0 0 0 2px var(--ncsk-primary); border-color: transparent; }
  .ncsk-input input, .ncsk-input textarea, .ncsk-input select {
    flex: 1; background: transparent; border: none; font-size: 0.85rem; outline: none; height: 100%; color: var(--ncsk-text); width: 100%;
  }
  .ncsk-input input::placeholder, .ncsk-input textarea::placeholder { color: var(--ncsk-text-muted); opacity: 0.7; }

  .ncsk-search { display: flex; align-items: center; gap: 0.5rem; width: 100%; height: 2.5rem; padding: 0 0.25rem 0 0.75rem; }
  .ncsk-search-icon { color: var(--ncsk-text-muted); font-size: 1rem; flex-shrink: 0; }
  .ncsk-search input { flex: 1; background: transparent; border: none; font-size: 0.85rem; outline: none; height: 100%; color: var(--ncsk-text); }
  
  .ncsk-search-clear { background: none; border: none; color: var(--ncsk-text-muted); font-size: 1.1rem; cursor: pointer; padding: 0 0.375rem; transition: color var(--motion-fast); }
  @media (hover: hover) { .ncsk-search-clear:hover { color: var(--ncsk-text); } }
  
  .ncsk-search-submit {
    height: calc(100% - 0.375rem); padding: 0 0.625rem; margin: 0.1875rem 0;
    border-radius: calc(var(--ncsk-radius) - 1px);
    background: var(--ncsk-primary); color: #ffffff;
    font-size: 0.78rem; font-weight: 600; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: opacity var(--motion-fast);
  }
  @media (hover: hover) { .ncsk-search-submit:hover { opacity: 0.88; } }

  /* Badges */
  .ncsk-badge { display: inline-flex; align-items: center; padding: 0.125rem 0.375rem; font-size: 0.65rem; font-weight: 600; border-radius: var(--ncsk-radius); background: var(--ncsk-btn-neutral-bg); color: var(--ncsk-text-muted); }
  .ncsk-badge-primary { background: rgba(26, 115, 232, 0.12); color: var(--ncsk-primary); }
  .ncsk-badge-warning { background: rgba(245, 158, 11, 0.12); color: var(--ncsk-warning); }
  .ncsk-badge-danger  { background: rgba(255, 77, 79, 0.12); color: var(--ncsk-danger); }

  /* List Items */
  /* ── Universal Tactile Spring Press Physics ── */
  .ncsk-btn,
  .ncsk-card-interactive,
  .ncsk-input,
  .ncsk-search,
  .toggle-btn,
  .toggle-opt,
  .toggle-option,
  .sort-btn,
  .sort-option,
  .filter-btn,
  .ncsk-toggle-group button,
  .ncsk-dock-btn,
  select {
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.2s ease, background 0.2s ease, border-color 0.2s ease, opacity 0.2s ease;
  }
  .ncsk-btn:active,
  .toggle-btn:active,
  .toggle-opt:active,
  .toggle-option:active,
  .sort-btn:active,
  .sort-option:active,
  .filter-btn:active,
  .ncsk-toggle-group button:active,
  .ncsk-card-interactive:active,
  .ncsk-input:focus-within,
  .ncsk-search:focus-within {
    transform: scale(0.96);
  }

  /* ── Metric & Stat Cards ── */
  .metrics-grid, .ncsk-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.625rem;
  }
  .metric-item, .ncsk-stat-card {
    padding: 0.65rem 0.75rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0.35rem;
    min-width: 0;
    min-height: 4.25rem;
    box-sizing: border-box;
  }
  .metric-header, .ncsk-stat-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 0.375rem;
    min-width: 0;
    width: 100%;
  }
  .metric-label, .ncsk-stat-label {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--ncsk-text-dim);
    text-shadow: var(--ncsk-text-glow);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    line-height: 1.2;
    margin-bottom: 0;
  }
  .metric-val, .ncsk-stat-val {
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--ncsk-text);
    white-space: nowrap;
    flex-shrink: 0;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
  }
  .metric-progress-bar, .ncsk-progress-bar {
    height: 0.25rem;
    background: var(--ncsk-border);
    overflow: hidden;
    border-radius: var(--ncsk-radius-sm);
    margin-top: 0.125rem;
    width: 100%;
    flex-shrink: 0;
  }
  .metric-detail, .ncsk-stat-detail {
    font-family: var(--ncsk-font);
    font-size: 0.72rem;
    font-weight: 400;
    color: var(--ncsk-text-muted);
    line-height: 1.25;
    white-space: nowrap;
    font-variant-numeric: tabular-nums;
  }
  .metric-net-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.2rem 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.125rem;
    min-width: 0;
    width: 100%;
  }
  .metric-net-row > span {
    white-space: nowrap;
  }

  /* ── Fluid Progress Bars & Sheen Sweep ── */
  .metric-progress-fill, .ncsk-progress-bar-fill {
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1), background-color 0.3s ease;
    position: relative;
    overflow: hidden;
  }
  .metric-progress-fill::after {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(255, 255, 255, 0.25) 50%, transparent 100%);
    animation: ncsk-sheen 3.5s infinite cubic-bezier(0.4, 0, 0.6, 1);
  }
  @keyframes ncsk-sheen {
    0% { left: -100%; }
    50%, 100% { left: 200%; }
  }

  /* ── Enhanced Theme Switch Glow ── */
  .theme-toggle-btn {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), color 0.3s ease, box-shadow 0.3s ease;
  }
  @media (hover: hover) {
    .theme-toggle-btn:hover {
      transform: rotate(15deg) scale(1.1);
      box-shadow: 0 0 12px rgba(50, 210, 243, 0.3);
    }
  }
  .theme-toggle-btn:active {
    transform: rotate(-30deg) scale(0.92);
  }
}

/* ── 7. Overlays, Context Menus & Modals ── */
@layer app {
  .ncsk-dropdown { position: absolute; z-index: var(--z-dropdown); background: var(--ncsk-bg-modal); border: 1px solid var(--ncsk-border); border-radius: var(--ncsk-radius); box-shadow: var(--ncsk-shadow-dropdown); padding: 0.25rem; }
  
  .ncsk-context-menu { position: fixed; display: none; z-index: var(--z-dropdown); background: var(--ncsk-bg-modal); border: 1px solid var(--ncsk-border); border-radius: var(--ncsk-radius); box-shadow: var(--ncsk-shadow-dropdown); padding: 0.25rem; min-width: 11rem; max-width: calc(100vw - 2rem); }
  .ncsk-context-menu.open { display: block; }
  .ncsk-context-item, .ncsk-dropdown-item { display: flex; align-items: center; gap: 0.5rem; padding: 0.45rem 0.75rem; font-size: 0.78rem; font-weight: 500; color: var(--ncsk-text); border-radius: calc(var(--ncsk-radius) - 2px); cursor: pointer; border: none; background: none; width: 100%; text-align: left; transition: background var(--motion-fast), color var(--motion-fast); }
  @media (hover: hover) { .ncsk-context-item:hover, .ncsk-dropdown-item:hover { background: var(--ncsk-surface-hover); color: var(--ncsk-primary); } }
  .ncsk-context-item.ncsk-touch-active, .ncsk-dropdown-item.ncsk-touch-active { background: var(--ncsk-surface-hover); color: var(--ncsk-primary); }
  .ncsk-dropdown-divider, .ncsk-menu-divider { height: 1px; background: var(--ncsk-border); margin: 0.25rem 0.25rem; }
  .ncsk-context-item.accent, .ncsk-dropdown-item.accent { color: var(--ncsk-primary); }
  .ncsk-context-item.danger, .ncsk-dropdown-item.danger { color: var(--ncsk-danger); }
  @media (hover: hover) { .ncsk-context-item.danger:hover, .ncsk-dropdown-item.danger:hover { background: rgba(255, 77, 79, 0.12); color: var(--ncsk-danger); } }

  .ncsk-modal { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.55); z-index: var(--z-modal); display: none; align-items: center; justify-content: center; padding: var(--space-lg); }
  .ncsk-modal.open { display: flex; }
  .ncsk-modal-card { background: var(--ncsk-bg-modal); border: 1px solid var(--ncsk-border); border-radius: var(--ncsk-radius); box-shadow: var(--ncsk-shadow-md); width: 100%; max-width: 44rem; max-height: 90vh; overflow-y: auto; }

  /* ── 8. Solid Toast Notification System ── */
  .ncsk-toast-container {
    position: fixed;
    top: 1.25rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2147483647 !important;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    pointer-events: none;
    max-width: 90vw;
    width: 24rem;
  }

  @media (max-width: 800px) {
    .ncsk-toast-container {
      top: calc(5.25rem + env(safe-area-inset-top, 0px)) !important;
      width: calc(100vw - 2rem) !important;
      max-width: 24rem !important;
    }
  }
  
  /* Dark Mode Default Toast */
  .ncsk-toast {
    position: relative;
    pointer-events: auto;
    width: 100%;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0.9rem;
    background: #181b22 !important;
    border: 1px solid rgba(255, 255, 255, 0.15) !important;
    border-left: 4px solid var(--ncsk-primary) !important;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.55), 0 0 1px rgba(255, 255, 255, 0.2);
    border-radius: var(--ncsk-radius);
    color: #ffffff !important;
    font-size: 0.82rem;
    font-weight: 500;
    overflow: hidden;
    animation: ncsk-toast-in 0.35s cubic-bezier(0.16, 1, 0.3, 1) ease-out both;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .ncsk-toast .ncsk-toast-title { color: #ffffff !important; font-weight: 700; font-size: 0.82rem; line-height: 1.2; margin-bottom: 0.15rem; }
  .ncsk-toast .ncsk-toast-message { color: rgba(255, 255, 255, 0.85) !important; font-size: 0.78rem; word-break: break-word; }
  .ncsk-toast .ncsk-toast-close { color: rgba(255, 255, 255, 0.6) !important; }

  /* Light Mode Toast */
  html.light .ncsk-toast,
  body.light .ncsk-toast,
  .light .ncsk-toast,
  body.ncsk-editorial-light .ncsk-toast,
  html.ncsk-editorial-light .ncsk-toast,
  [data-theme-mode="light"] .ncsk-toast,
  [data-theme="light"] .ncsk-toast {
    background: #ffffff !important;
    border: 1px solid rgba(0, 0, 0, 0.18) !important;
    border-left: 4px solid var(--ncsk-primary) !important;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22), 0 0 1px rgba(0, 0, 0, 0.1);
    color: #0f172a !important;
  }
  html.light .ncsk-toast .ncsk-toast-title,
  body.light .ncsk-toast .ncsk-toast-title,
  .light .ncsk-toast .ncsk-toast-title,
  body.ncsk-editorial-light .ncsk-toast .ncsk-toast-title,
  html.ncsk-editorial-light .ncsk-toast .ncsk-toast-title,
  [data-theme-mode="light"] .ncsk-toast .ncsk-toast-title,
  [data-theme="light"] .ncsk-toast .ncsk-toast-title {
    color: #0f172a !important;
  }
  html.light .ncsk-toast .ncsk-toast-message,
  body.light .ncsk-toast .ncsk-toast-message,
  .light .ncsk-toast .ncsk-toast-message,
  body.ncsk-editorial-light .ncsk-toast .ncsk-toast-message,
  html.ncsk-editorial-light .ncsk-toast .ncsk-toast-message,
  [data-theme-mode="light"] .ncsk-toast .ncsk-toast-message,
  [data-theme="light"] .ncsk-toast .ncsk-toast-message {
    color: #475569 !important;
  }
  html.light .ncsk-toast .ncsk-toast-close,
  body.light .ncsk-toast .ncsk-toast-close,
  .light .ncsk-toast .ncsk-toast-close,
  body.ncsk-editorial-light .ncsk-toast .ncsk-toast-close,
  html.ncsk-editorial-light .ncsk-toast .ncsk-toast-close,
  [data-theme-mode="light"] .ncsk-toast .ncsk-toast-close,
  [data-theme="light"] .ncsk-toast .ncsk-toast-close {
    color: #64748b !important;
  }

  .ncsk-toast-success { border-left-color: #10b981 !important; }
  .ncsk-toast-info    { border-left-color: #3b82f6 !important; }
  .ncsk-toast-warning { border-left-color: #f59e0b !important; }
  .ncsk-toast-error   { border-left-color: #ef4444 !important; }

  .ncsk-toast.dismissing {
    opacity: 0;
    transform: translateY(-12px) scale(0.95);
  }
  @keyframes ncsk-toast-in {
    from { opacity: 0; transform: translateY(-16px) scale(0.96); }
    to { opacity: 1; transform: translateY(0) scale(1); }
  }

  .ncsk-toast-icon {
    font-size: 1.15rem; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
  }
  .ncsk-toast-success .ncsk-toast-icon { color: #10b981 !important; }
  .ncsk-toast-info .ncsk-toast-icon    { color: #3b82f6 !important; }
  .ncsk-toast-warning .ncsk-toast-icon { color: #f59e0b !important; }
  .ncsk-toast-error .ncsk-toast-icon   { color: #ef4444 !important; }

  .ncsk-toast-content { flex: 1; min-width: 0; }

  .ncsk-toast-close {
    background: none; border: none; font-size: 1.1rem; cursor: pointer; padding: 0.15rem; line-height: 1; border-radius: 4px; transition: color 0.15s ease, background 0.15s ease;
  }
  .ncsk-toast-close:hover { background: rgba(255, 255, 255, 0.12); }
  body.ncsk-editorial-light .ncsk-toast-close:hover,
  html.ncsk-editorial-light .ncsk-toast-close:hover { background: rgba(0, 0, 0, 0.08); }

  .ncsk-toast-progress {
    position: absolute; bottom: 0; left: 0; height: 3px; width: 100%;
    background: var(--ncsk-primary);
    transform-origin: left;
    transition: transform linear;
  }
  .ncsk-toast-success .ncsk-toast-progress { background: #10b981 !important; }
  .ncsk-toast-info .ncsk-toast-progress    { background: #3b82f6 !important; }
  .ncsk-toast-warning .ncsk-toast-progress { background: #f59e0b !important; }
  .ncsk-toast-error .ncsk-toast-progress   { background: #ef4444 !important; }
}