/* ============================================================
   OMEGA AI TOOLKIT — DESIGN SYSTEM & STYLESHEET
   Ad-Free, High-Performance, Industrial Cyber Tech Design
   ============================================================ */

/* ------------------------------------------------------------
   1. DESIGN TOKENS
   ------------------------------------------------------------ */
:root {
  /* Neutral Palette (Dark-First) */
  --c-bg-base: #070a12;
  --c-bg-surface: #0e1526;
  --c-bg-elevated: #151f38;
  --c-bg-card: rgba(17, 24, 39, 0.75);
  --c-bg-card-hover: rgba(26, 36, 56, 0.90);
  --c-bg-input: #0b1120;
  --c-bg-overlay: rgba(3, 7, 18, 0.85);

  /* Borders & Dividers */
  --c-border-subtle: rgba(255, 255, 255, 0.07);
  --c-border-hover: rgba(34, 211, 238, 0.35);
  --c-border-focus: #10b981;

  /* Typography Colors */
  --c-text-primary: #f8fafc;
  --c-text-secondary: #94a3b8;
  --c-text-muted: #64748b;
  --c-text-inverse: #020617;

  /* Brand & Accent Cyber Colors */
  --c-emerald: #10b981;
  --c-emerald-glow: rgba(16, 185, 129, 0.25);
  --c-cyan: #22d3ee;
  --c-cyan-glow: rgba(34, 211, 238, 0.25);
  --c-amber: #f59e0b;
  --c-rose: #f43f5e;
  --c-indigo: #6366f1;
  --c-violet: #a855f7;

  /* Typography */
  --ff-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --ff-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  --fs-2xs: 0.70rem;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-lg: 1.125rem;
  --fs-xl: 1.25rem;
  --fs-2xl: 1.5rem;
  --fs-3xl: 1.875rem;

  /* Spacing */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.25rem;
  --sp-6: 1.5rem;
  --sp-8: 2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;

  /* Radii */
  --radius-xs: 0.25rem;
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Motion & Transitions */
  --ease-snappy: cubic-bezier(0.23, 1, 0.32, 1);
  --dur-fast: 150ms;
  --dur-normal: 220ms;

  /* Elevation Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 16px -2px rgba(0, 0, 0, 0.5), 0 0 0 1px var(--c-border-subtle);
  --shadow-lg: 0 12px 32px -4px rgba(0, 0, 0, 0.65), 0 0 0 1px var(--c-border-subtle);
  --shadow-glow: 0 0 24px -4px var(--c-cyan-glow);
}

/* ------------------------------------------------------------
   2. GLOBAL RESETS & FOUNDATIONS
   ------------------------------------------------------------ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  color-scheme: dark;
  scrollbar-gutter: stable;
  scroll-behavior: smooth;
}

body {
  font-family: var(--ff-sans);
  background-color: var(--c-bg-base);
  color: var(--c-text-primary);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(34, 211, 238, 0.08) 0%, transparent 60%),
    radial-gradient(circle at 100% 100%, rgba(16, 185, 129, 0.05) 0%, transparent 50%),
    linear-gradient(to right, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 40px 40px, 40px 40px;
}

::selection {
  background-color: rgba(34, 211, 238, 0.25);
  color: #22d3ee;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}
::-webkit-scrollbar-track {
  background: var(--c-bg-base);
}
::-webkit-scrollbar-thumb {
  background: var(--c-bg-elevated);
  border-radius: var(--radius-full);
  border: 2px solid var(--c-bg-base);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--c-text-muted);
}

/* ------------------------------------------------------------
   3. HEADER & HERO
   ------------------------------------------------------------ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(7, 10, 18, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--c-border-subtle);
  padding: var(--sp-3) var(--sp-6);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.brand-wrapper {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  text-decoration: none;
}

.brand-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #10b981 0%, #0284c7 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #020617;
  font-weight: 800;
  font-family: var(--ff-mono);
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.4);
}

.brand-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: #fff;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.brand-badge {
  font-size: var(--fs-2xs);
  font-family: var(--ff-mono);
  font-weight: 600;
  text-transform: uppercase;
  background: rgba(16, 185, 129, 0.15);
  color: var(--c-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.search-trigger-btn {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border-subtle);
  color: var(--c-text-secondary);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-snappy);
}
.search-trigger-btn:hover {
  background: var(--c-bg-elevated);
  border-color: var(--c-border-hover);
  color: var(--c-text-primary);
}
.search-trigger-btn kbd {
  font-family: var(--ff-mono);
  font-size: var(--fs-2xs);
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 5px;
  border-radius: var(--radius-xs);
  color: var(--c-text-muted);
}

.pill-stat {
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--c-cyan);
  background: rgba(34, 211, 238, 0.10);
  border: 1px solid rgba(34, 211, 238, 0.25);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  gap: 6px;
}
.pill-stat::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  background-color: var(--c-emerald);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--c-emerald);
}

/* ------------------------------------------------------------
   4. HERO BANNER
   ------------------------------------------------------------ */
.hero-section {
  max-width: 1440px;
  margin: var(--sp-6) auto 0;
  padding: 0 var(--sp-6);
  width: 100%;
}

.hero-box {
  background: linear-gradient(180deg, rgba(14, 21, 38, 0.9) 0%, rgba(11, 17, 32, 0.6) 100%);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--sp-8) var(--sp-8);
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

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

.hero-content {
  max-width: 800px;
}

.hero-headline {
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: var(--sp-3);
  background: linear-gradient(135deg, #ffffff 40%, var(--c-cyan) 85%, var(--c-emerald) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  font-size: var(--fs-base);
  color: var(--c-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--sp-6);
}

.hero-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.hero-feat-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--fs-xs);
  font-family: var(--ff-mono);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--c-border-subtle);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--radius-md);
  color: var(--c-text-muted);
}
.hero-feat-tag svg {
  color: var(--c-emerald);
}

/* ------------------------------------------------------------
   5. CONTROLS, SEARCH & CATEGORIES
   ------------------------------------------------------------ */
.main-wrapper {
  max-width: 1440px;
  margin: var(--sp-6) auto var(--sp-12);
  padding: 0 var(--sp-6);
  width: 100%;
  flex: 1;
}

.controls-bar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.search-input-wrapper {
  position: relative;
  width: 100%;
}

.search-input-wrapper svg {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--c-text-muted);
  pointer-events: none;
}

.search-input {
  width: 100%;
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--radius-lg);
  padding: 14px 48px 14px 48px;
  font-size: var(--fs-base);
  color: var(--c-text-primary);
  font-family: var(--ff-sans);
  outline: none;
  transition: all var(--dur-fast) var(--ease-snappy);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.2);
}

.search-input:focus {
  border-color: var(--c-cyan);
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2), inset 0 2px 4px rgba(0, 0, 0, 0.2);
  background: var(--c-bg-elevated);
}

.search-clear-btn {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: none;
  color: var(--c-text-muted);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: none;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 14px;
}
.search-clear-btn:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

/* Category Filter Tabs */
.category-tabs {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  overflow-x: auto;
  padding-bottom: var(--sp-2);
  scrollbar-width: none;
}
.category-tabs::-webkit-scrollbar {
  display: none;
}

.cat-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--radius-full);
  color: var(--c-text-secondary);
  font-size: var(--fs-sm);
  font-weight: 500;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-snappy);
}

.cat-tab-btn:hover {
  background: var(--c-bg-elevated);
  color: var(--c-text-primary);
  border-color: rgba(255, 255, 255, 0.15);
}

.cat-tab-btn.active {
  background: rgba(34, 211, 238, 0.12);
  color: var(--c-cyan);
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.15);
}

.cat-tab-count {
  font-size: var(--fs-2xs);
  font-family: var(--ff-mono);
  background: rgba(255, 255, 255, 0.08);
  padding: 1px 6px;
  border-radius: var(--radius-full);
}
.cat-tab-btn.active .cat-tab-count {
  background: rgba(34, 211, 238, 0.2);
  color: var(--c-cyan);
}

/* Secondary Toolbar: Filter & Quick Action */
.secondary-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
  padding: 0 var(--sp-1);
}

.results-count {
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
}
.results-count b {
  color: var(--c-text-primary);
}

.filter-tags {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.filter-chip {
  background: transparent;
  border: 1px solid var(--c-border-subtle);
  color: var(--c-text-muted);
  font-size: var(--fs-xs);
  padding: 4px 10px;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--dur-fast);
}
.filter-chip:hover, .filter-chip.active {
  background: rgba(255, 255, 255, 0.06);
  color: var(--c-text-primary);
  border-color: rgba(255, 255, 255, 0.2);
}
.filter-chip.active {
  border-color: var(--c-emerald);
  color: var(--c-emerald);
}

/* ------------------------------------------------------------
   6. BENTO GRID OF TOOLS
   ------------------------------------------------------------ */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: var(--sp-4);
}

.tool-card {
  background: var(--c-bg-card);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--radius-lg);
  padding: var(--sp-5);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  text-decoration: none;
  color: inherit;
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: transform var(--dur-fast) var(--ease-snappy),
              border-color var(--dur-fast) var(--ease-snappy),
              background var(--dur-fast) var(--ease-snappy),
              box-shadow var(--dur-fast) var(--ease-snappy);
  cursor: pointer;
}

.tool-card:hover {
  transform: translateY(-2px);
  border-color: var(--c-border-hover);
  background: var(--c-bg-card-hover);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.tool-card:active {
  transform: scale(0.985);
}

.tool-card:focus-visible {
  outline: 2px solid var(--c-cyan);
  outline-offset: 2px;
}

.card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: var(--sp-3);
  gap: var(--sp-3);
}

.card-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--c-bg-elevated);
  border: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--c-cyan);
  flex-shrink: 0;
  transition: all var(--dur-fast);
}
.tool-card:hover .card-icon-wrapper {
  background: rgba(34, 211, 238, 0.15);
  border-color: rgba(34, 211, 238, 0.3);
  color: #fff;
}

.card-badges {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.badge-tag {
  font-size: 0.65rem;
  font-family: var(--ff-mono);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-xs);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.badge-interactive {
  background: rgba(16, 185, 129, 0.15);
  color: var(--c-emerald);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.badge-new {
  background: rgba(34, 211, 238, 0.15);
  color: var(--c-cyan);
  border: 1px solid rgba(34, 211, 238, 0.35);
}

.badge-hot {
  background: rgba(244, 63, 94, 0.15);
  color: var(--c-rose);
  border: 1px solid rgba(244, 63, 94, 0.35);
}

.fav-btn {
  background: transparent;
  border: none;
  color: var(--c-text-muted);
  cursor: pointer;
  padding: 4px;
  border-radius: var(--radius-xs);
  transition: all var(--dur-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}
.fav-btn:hover {
  color: var(--c-amber);
}
.fav-btn.is-fav {
  color: var(--c-amber);
}

.card-title {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--c-text-primary);
  margin-bottom: var(--sp-2);
  line-height: 1.3;
}

.card-desc {
  font-size: var(--fs-sm);
  color: var(--c-text-secondary);
  line-height: 1.5;
  margin-bottom: var(--sp-4);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--c-border-subtle);
  padding-top: var(--sp-3);
  font-size: var(--fs-xs);
}

.card-cat-label {
  color: var(--c-text-muted);
  font-family: var(--ff-mono);
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-action-hint {
  color: var(--c-cyan);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  transition: transform var(--dur-fast);
}
.tool-card:hover .card-action-hint {
  transform: translateX(3px);
  color: #fff;
}

/* Empty Search State */
.empty-state {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--sp-12) var(--sp-4);
  background: var(--c-bg-card);
  border: 1px dashed var(--c-border-subtle);
  border-radius: var(--radius-xl);
}
.empty-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto var(--sp-3);
  color: var(--c-text-muted);
}
.empty-title {
  font-size: var(--fs-lg);
  font-weight: 700;
  margin-bottom: var(--sp-1);
}
.empty-desc {
  color: var(--c-text-muted);
  font-size: var(--fs-sm);
  max-width: 400px;
  margin: 0 auto;
}

/* ------------------------------------------------------------
   7. MODAL & SLIDE-OVER STUDIO DRAWER
   ------------------------------------------------------------ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: var(--c-bg-overlay);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  display: none;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  opacity: 0;
  transition: opacity var(--dur-normal) var(--ease-snappy);
}
.modal-overlay.active {
  display: flex;
  opacity: 1;
}

.modal-dialog {
  background: var(--c-bg-surface);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8), 0 0 0 1px var(--c-border-subtle);
  transform: scale(0.97) translateY(8px);
  transition: transform var(--dur-normal) var(--ease-snappy);
  overflow: hidden;
}
.modal-overlay.active .modal-dialog {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--sp-4) var(--sp-6);
  border-bottom: 1px solid var(--c-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(14, 21, 38, 0.8);
}

.modal-title-wrap {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.modal-title {
  font-size: var(--fs-lg);
  font-weight: 700;
}

.modal-badge {
  font-size: var(--fs-2xs);
  font-family: var(--ff-mono);
  background: rgba(16, 185, 129, 0.15);
  color: var(--c-emerald);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.modal-close-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--c-border-subtle);
  color: var(--c-text-muted);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--dur-fast);
}
.modal-close-btn:hover {
  background: rgba(244, 63, 94, 0.2);
  color: var(--c-rose);
  border-color: rgba(244, 63, 94, 0.4);
}

.modal-body {
  padding: var(--sp-6);
  overflow-y: auto;
  flex: 1;
}

/* Studio Components Layout */
.studio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

@media (max-width: 768px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
}

.studio-pane {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.pane-label {
  font-size: var(--fs-xs);
  font-family: var(--ff-mono);
  font-weight: 600;
  color: var(--c-text-muted);
  text-transform: uppercase;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.studio-textarea {
  width: 100%;
  height: 280px;
  background: var(--c-bg-input);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  color: var(--c-text-primary);
  font-family: var(--ff-mono);
  font-size: var(--fs-sm);
  line-height: 1.5;
  resize: vertical;
  outline: none;
  transition: border-color var(--dur-fast);
}
.studio-textarea:focus {
  border-color: var(--c-cyan);
}

.studio-actions-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
}

.btn-cyber {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--c-bg-elevated);
  border: 1px solid var(--c-border-subtle);
  color: var(--c-text-primary);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-snappy);
}
.btn-cyber:hover {
  background: rgba(34, 211, 238, 0.15);
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}
.btn-cyber:active {
  transform: scale(0.97);
}

.btn-primary {
  background: linear-gradient(135deg, #10b981 0%, #059669 100%);
  color: #020617;
  font-weight: 700;
  border: none;
  box-shadow: 0 0 16px rgba(16, 185, 129, 0.3);
}
.btn-primary:hover {
  background: linear-gradient(135deg, #34d399 0%, #10b981 100%);
  color: #020617;
  box-shadow: 0 0 20px rgba(16, 185, 129, 0.5);
}

.btn-copy {
  margin-left: auto;
}

/* Status Banner inside Modal */
.studio-status-box {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--c-border-subtle);
  border-radius: var(--radius-md);
  padding: var(--sp-3);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
  color: var(--c-text-secondary);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.studio-status-box.success {
  background: rgba(16, 185, 129, 0.1);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--c-emerald);
}
.studio-status-box.error {
  background: rgba(244, 63, 94, 0.1);
  border-color: rgba(244, 63, 94, 0.3);
  color: var(--c-rose);
}

/* ------------------------------------------------------------
   8. COMMAND PALETTE (Ctrl+K)
   ------------------------------------------------------------ */
.palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 150;
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding-top: 12vh;
}
.palette-overlay.active {
  display: flex;
}

.palette-box {
  background: var(--c-bg-surface);
  border: 1px solid var(--c-border-hover);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.9), 0 0 32px var(--c-cyan-glow);
  overflow: hidden;
  animation: paletteIn 180ms var(--ease-snappy);
}

@keyframes paletteIn {
  from { opacity: 0; transform: scale(0.96) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.palette-input-wrap {
  display: flex;
  align-items: center;
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--c-border-subtle);
  gap: var(--sp-3);
}

.palette-input {
  flex: 1;
  background: transparent;
  border: none;
  color: #fff;
  font-size: var(--fs-lg);
  font-family: var(--ff-sans);
  outline: none;
}

.palette-results {
  max-height: 380px;
  overflow-y: auto;
  padding: var(--sp-2);
}

.palette-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--dur-fast);
  color: var(--c-text-primary);
}
.palette-item:hover, .palette-item.selected {
  background: var(--c-bg-elevated);
  color: var(--c-cyan);
}
.palette-item-left {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}
.palette-item-title {
  font-weight: 600;
  font-size: var(--fs-sm);
}
.palette-item-cat {
  font-size: var(--fs-2xs);
  font-family: var(--ff-mono);
  color: var(--c-text-muted);
}

/* ------------------------------------------------------------
   9. FOOTER
   ------------------------------------------------------------ */
.site-footer {
  border-top: 1px solid var(--c-border-subtle);
  padding: var(--sp-8) var(--sp-6);
  background: var(--c-bg-surface);
  margin-top: auto;
}

.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--c-text-muted);
}

.footer-left {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.footer-shield {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--c-emerald);
  font-family: var(--ff-mono);
  font-size: var(--fs-xs);
}

/* ------------------------------------------------------------
   10. RESPONSIVE BREAKPOINTS
   ------------------------------------------------------------ */
@media (max-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  }
}

@media (max-width: 640px) {
  .header-container {
    flex-direction: column;
    align-items: flex-start;
  }
  .header-actions {
    width: 100%;
    justify-content: space-between;
  }
  .hero-headline {
    font-size: 1.6rem;
  }
  .hero-box {
    padding: var(--sp-5);
  }
  .tools-grid {
    grid-template-columns: 1fr;
  }
}