style.css

/* ═══════════════════════════════════════════════════════════
   TWOQUARKS LAB - HUGGINGFACE INTERFACE SYSTEM
   Ultra-blue quantum aesthetic with particle field
   ═══════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────── */
/* 1. RESET & BASE                                             */
/* ─────────────────────────────────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ─────────────────────────────────────────────────────────── */
/* 2. DESIGN TOKENS                                            */
/* ─────────────────────────────────────────────────────────── */
:root {
  /* Colors - Ultra Blue System */
  --ultra-blue: #3B82F6;
  --ultra-blue-bright: #60A5FA;
  --ultra-blue-deep: #1E40AF;
  --ultra-blue-glow: rgba(39, 100, 180, 0.35);
  
  /* Neutrals */
  --bg-base: #000000;
  --fg-primary: #FFFFFF;
  --fg-secondary: rgba(255, 255, 255, 0.65);
  --fg-tertiary: rgba(255, 255, 255, 0.40);
  
  /* Surfaces */
  --surface-glass: rgba(0, 0, 0, 0.30);
  --surface-card: rgba(255, 255, 255, 0.04);
  --surface-card-hover: rgba(255, 255, 255, 0.08);
  --surface-input: rgba(255, 255, 255, 0.03);
  
  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.14);
  --border-accent: rgba(59, 130, 246, 0.35);
  
  /* Spacing System (8px base) */
  --space-xs: 0.5rem;   /* 8px */
  --space-sm: 0.75rem;  /* 12px */
  --space-md: 1rem;     /* 16px */
  --space-lg: 1.5rem;   /* 24px */
  --space-xl: 2rem;     /* 32px */
  --space-2xl: 3rem;    /* 48px */
  
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-full: 999px;
  
  /* Typography */
  --font-body: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Transitions */
  --trans-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --trans-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --trans-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index layers */
  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-overlay: 30;
  --z-modal: 40;
  --z-canvas: 0;
}

/* ─────────────────────────────────────────────────────────── */
/* 3. GLOBAL LAYOUT                                            */
/* ─────────────────────────────────────────────────────────── */
html, body {
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--bg-base);
  color: var(--fg-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.gradio-container {
  background: var(--bg-base) !important;
  color: var(--fg-primary) !important;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-lg);
}

/* ─────────────────────────────────────────────────────────── */
/* 4. QUANTUM PARTICLE FIELD (Ultra Blue)                      */
/* ─────────────────────────────────────────────────────────── */
#quantumField {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: var(--z-canvas);
  background: var(--bg-base);
  pointer-events: none;
}

/* ─────────────────────────────────────────────────────────── */
/* 5. MAIN APP CONTAINER                                       */
/* ─────────────────────────────────────────────────────────── */
#tqApp {
  position: relative;
  z-index: var(--z-base);
  padding-top: var(--space-md);
}

/* ─────────────────────────────────────────────────────────── */
/* 6. HERO SECTION                                             */
/* ─────────────────────────────────────────────────────────── */
.tq-hero {
  margin: var(--space-md) 0 var(--space-lg) 0;
  padding: var(--space-lg) var(--space-xl);
  background: var(--surface-glass);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.09);
}

.tq-hero__brand {
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, var(--fg-primary) 0%, var(--ultra-blue-bright) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.tq-hero__desc {
  margin-top: var(--space-sm);
  color: var(--fg-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 65ch;
}

/* ─────────────────────────────────────────────────────────── */
/* 7. NAVIGATION PILLS                                         */
/* ─────────────────────────────────────────────────────────── */
.tq-pills {
  display: flex;
  gap: var(--space-sm);
  flex-wrap: wrap;
  margin-top: var(--space-md);
}

.tq-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-primary);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  opacity: 0.85;
  transition: all var(--trans-base);
  white-space: nowrap;
}

.tq-pill:hover {
  opacity: 1;
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-accent);
  box-shadow: 0 0 16px var(--ultra-blue-glow);
}

.tq-pill--active {
  opacity: 1;
  background: var(--ultra-blue-glow);
  border-color: var(--ultra-blue);
  box-shadow: 0 0 0 1px var(--ultra-blue) inset,
              0 0 10px var(--ultra-blue-glow);
}

/* ─────────────────────────────────────────────────────────── */
/* 8. GRADIO COMPONENTS - PANELS & BLOCKS                      */
/* ─────────────────────────────────────────────────────────── */
.gradio-container .gr-panel,
.gradio-container [class*="gr-box"],
.gradio-container .gr-form {
  background: var(--surface-card) !important;
  backdrop-filter: blur(10px) !important;
  -webkit-backdrop-filter: blur(10px) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-md) !important;
  padding: var(--space-lg) !important;
  transition: all var(--trans-base) !important;
}

.gradio-container .gr-panel:hover {
  background: var(--surface-card-hover) !important;
  border-color: var(--border-medium) !important;
}

/* ─────────────────────────────────────────────────────────── */
/* 9. TABS SYSTEM                                              */
/* ─────────────────────────────────────────────────────────── */
.gradio-container .gr-tab-nav {
  background: transparent !important;
  border: none !important;
  gap: var(--space-sm) !important;
  padding: 0 !important;
  margin-bottom: var(--space-lg) !important;
}

.gradio-container .gr-tab-nav button {
  padding: var(--space-sm) var(--space-md) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  color: var(--fg-primary) !important;
  background: rgba(255, 255, 255, 0.02) !important;
  border: 1px solid var(--border-medium) !important;
  border-radius: var(--radius-full) !important;
  opacity: 0.75 !important;
  transition: all var(--trans-base) !important;
}

.gradio-container .gr-tab-nav button:hover {
  opacity: 1 !important;
  background: rgba(255, 255, 255, 0.06) !important;
  border-color: var(--border-accent) !important;
}

.gradio-container .gr-tab-nav button.selected,
.gradio-container .gr-tab-nav button[aria-selected="true"] {
  opacity: 1 !important;
  background: var(--ultra-blue-glow) !important;
  border-color: var(--ultra-blue) !important;
  box-shadow: 0 0 0 1px var(--ultra-blue) inset,
              0 0 10px var(--ultra-blue-glow) !important;
}

/* ─────────────────────────────────────────────────────────── */
/* 10. FORM INPUTS                                             */
/* ─────────────────────────────────────────────────────────── */
.gradio-container input[type="text"],
.gradio-container input[type="number"],
.gradio-container textarea,
.gradio-container select {
  background: var(--surface-input) !important;
  border: 1px solid var(--border-medium) !important;
  border-radius: var(--radius-md) !important;
  color: var(--fg-primary) !important;
  padding: var(--space-sm) var(--space-md) !important;
  font-size: 0.9375rem !important;
  transition: all var(--trans-base) !important;
}

.gradio-container input:focus,
.gradio-container textarea:focus,
.gradio-container select:focus {
  outline: none !important;
  border-color: var(--ultra-blue) !important;
  box-shadow: 0 0 0 3px var(--ultra-blue-glow) !important;
}

.gradio-container input[type="range"] {
  accent-color: var(--ultra-blue) !important;
}

/* ─────────────────────────────────────────────────────────── */
/* 11. BUTTONS                                                 */
/* ─────────────────────────────────────────────────────────── */
.gradio-container button:not(.gr-tab-nav button),
.gradio-container .gr-button {
  padding: var(--space-sm) var(--space-lg) !important;
  font-size: 0.9375rem !important;
  font-weight: 500 !important;
  color: var(--fg-primary) !important;
  background: rgba(255, 255, 255, 0.02) !important;
  border: 1px solid var(--border-medium) !important;
  border-radius: var(--radius-full) !important;
  opacity: 0.40 !important;
  cursor: pointer !important;
  transition: all var(--trans-base) !important;
}

.gradio-container button:hover:not(.gr-tab-nav button),
.gradio-container .gr-button:hover {
  opacity: 1 !important;
  background: rgba(255, 255, 255, 0.08) !important;
  border-color: var(--border-accent) !important;
  box-shadow: 0 0 16px var(--ultra-blue-glow) !important;
}

.gradio-container button:active:not(.gr-tab-nav button) {
  transform: scale(0.98) !important;
}

/* Primary action button variant */
.gradio-container button.primary,
.gradio-container .gr-button-primary {
  background: var(--ultra-blue) !important;
  border-color: var(--ultra-blue-bright) !important;
  box-shadow: 0 4px 12px var(--ultra-blue-glow) !important;
}

.gradio-container button.primary:hover {
  background: var(--ultra-blue-bright) !important;
  box-shadow: 0 8px 24px var(--ultra-blue-glow) !important;
}

/* ─────────────────────────────────────────────────────────── */
/* 12. IMAGE GALLERY & GRID                                    */
/* ─────────────────────────────────────────────────────────── */
.gradio-container .gr-gallery {
  gap: var(--space-md) !important;
}

.gradio-container .gr-gallery .gr-image,
.gradio-container .gr-image-preview {
  border-radius: var(--radius-md) !important;
  overflow: hidden !important;
  border: 0.5px solid var(--border-subtle) !important;
  transition: all var(--trans-base) !important;
}

.gradio-container .gr-gallery .gr-image:hover {
  border-color: var(--ultra-blue) !important;
  box-shadow: 0 3px 10px var(--ultra-blue-glow) !important;
  transform: translateY(-2px) !important;
}

/* Image container sizing */
.gradio-container .gr-image img,
.gradio-container .gr-gallery img {
  width: 100% !important;
  height: auto !important;
  object-fit: inline-flex !important;
  display: block !important;
}

/* Grid layout for image outputs */
.gradio-container .gr-image-container,
.gradio-container [class*="image-container"] {
  aspect-ratio: 1 / 1;
  max-width: 40%;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface-card);
}

/* ─────────────────────────────────────────────────────────── */
/* 13. CAROUSEL / SLIDER                                       */
/* ─────────────────────────────────────────────────────────── */
.tq-carousel {
  position: relative;
  width: 40%;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--surface-card);
  border: 1px solid var(--border-subtle);
}

.tq-carousel__track {
  display: flex;
  gap: var(--space-md);
  transition: transform var(--trans-slow);
}

.tq-carousel__item {
  flex: 0 0 auto;
  width: 20px;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: all var(--trans-base);
}

.tq-carousel__item:hover {
  border-color: var(--ultra-blue);
  box-shadow: 0 6px 14px var(--ultra-blue-glow);
  transform: scale(0.5);
}

.tq-carousel__item img {
  width: 40%;
  height: 40%;
  object-fit: auto;
  display: block;
}

/* Carousel navigation */
.tq-carousel__nav {
  position: center;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-medium);
  border-radius: 50%;
  cursor: pointer;
  transition: all var(--trans-base);
  z-index: var(--z-dropdown);
}

.tq-carousel__nav--prev { left: var(--space-md); }
.tq-carousel__nav--next { right: var(--space-md); }

.tq-carousel__nav:hover {
  background: var(--ultra-blue-glow);
  border-color: var(--ultra-blue);
  box-shadow: 0 0 5px var(--ultra-blue-glow);
}

/* ─────────────────────────────────────────────────────────── */
/* 14. LABELS & TYPOGRAPHY                                     */
/* ─────────────────────────────────────────────────────────── */
.gradio-container label,
.gradio-container .gr-label {
  color: var(--fg-secondary) !important;
  font-size: 0.875rem !important;
  font-weight: 500 !important;
  margin-bottom: var(--space-xs) !important;
}

.gradio-container .gr-description,
.gradio-container .gr-info {
  color: var(--fg-tertiary) !important;
  font-size: 0.8125rem !important;
  line-height: 1.5 !important;
}

/* Code blocks */
.gradio-container pre,
.gradio-container code {
  font-family: var(--font-mono) !important;
  background: rgba(59, 130, 246, 0.05) !important;
  border: 1px solid var(--border-subtle) !important;
  border-radius: var(--radius-sm) !important;
  padding: var(--space-xs) var(--space-sm) !important;
  color: var(--ultra-blue-bright) !important;
}

/* ─────────────────────────────────────────────────────────── */
/* 15. LOADING & PROGRESS                                      */
/* ─────────────────────────────────────────────────────────── */
.gradio-container .gr-loading {
  color: var(--ultra-blue) !important;
}

.gradio-container .progress-bar {
  background: var(--ultra-blue) !important;
  box-shadow: 0 0 12px var(--ultra-blue-glow) !important;
}

/* ─────────────────────────────────────────────────────────── */
/* 16. SCROLLBARS                                              */
/* ─────────────────────────────────────────────────────────── */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
}

::-webkit-scrollbar-thumb {
  background: var(--border-medium);
  border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--ultra-blue);
}

/* ─────────────────────────────────────────────────────────── */
/* 17. RESPONSIVE DESIGN                                       */
/* ─────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  :root {
    --space-lg: 1rem;
    --space-xl: 1.5rem;
  }
  
  .gradio-container {
    padding: var(--space-md);
  }
  
  .tq-hero {
    padding: var(--space-md) var(--space-lg);
  }
  
  .tq-hero__brand {
    font-size: 1.25rem;
  }
  
  .tq-carousel__item {
    width: 220px;
  }
  
  .tq-pills {
    justify-content: center;
  }
}

@media (max-width: 280px) {
  .tq-carousel__item {
    width: 220px;
  }
  
  .tq-carousel__nav {
    width: 24px;
    height: 24px;
  }
}

/* ─────────────────────────────────────────────────────────── */
/* 18. UTILITY CLASSES                                         */
/* ─────────────────────────────────────────────────────────── */
.tq-glow {
  box-shadow: 0 0 20px var(--ultra-blue-glow) !important;
}

.tq-hide {
  display: none !important;
}

.tq-fade-in {
  animation: fadeIn var(--trans-slow) ease-in;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─────────────────────────────────────────────────────────── */
/* 19. FOOTER CLEANUP                                          */
/* ─────────────────────────────────────────────────────────── */
footer,
.gradio-container footer {
  display: none !important;
}