/* =============================================
   DESIGN TOKENS
   ============================================= */
:root {
  /* BACKGROUNDS: Pure black and very dark grays */
  --bg-base: #000000;
  --bg-surface: #080808;
  --bg-elevated: #121212;
  --bg-glass: rgba(255, 255, 255, 0.02);
  --bg-glass-hover: rgba(255, 255, 255, 0.05);

  /* BORDERS: Very subtle, elite look */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-mid: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.20);

  /* COPPER / AMBER ACCENT */
  --accent: #d97706;
  --accent-hover: #f59e0b;
  --accent-glow: rgba(217, 119, 6, 0.15);
  --accent-2: #ea580c;
  --accent-grad: linear-gradient(135deg, #f59e0b, #ea580c);

  /* TEXT */
  --text-primary: #ffffff;
  --text-secondary: #a1a1aa;
  --text-muted: #52525b;
  --text-accent: #fbbf24;

  /* STATUS COLORS */
  --success: #10b981;
  --success-bg: rgba(16, 185, 129, 0.10);
  --error: #ef4444;
  --error-bg: rgba(239, 68, 68, 0.10);
  --warning: #f59e0b;

  /* JSON syntax colors */
  --json-string: #10b981;
  --json-number: #f59e0b;
  --json-boolean: #3b82f6;
  --json-null: #8b5cf6;
  --json-key: #a1a1aa;
  --json-bracket: #52525b;

  --font-sans: 'Plus Jakarta Sans', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  --sidebar-w: 260px;
  --header-h: 72px;

  --r-sm: 6px;
  --r-md: 10px;
  --r-lg: 16px;
  --r-xl: 24px;

  --t-fast: 150ms ease-out;
  --t-mid: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --t-spring: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* =============================================
   RESET & BASE
   ============================================= */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-base);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input,
textarea,
select {
  font-family: inherit;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-mid);
  border-radius: 99px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--border-strong);
}

/* =============================================
   LAYOUT
   ============================================= */
.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* =============================================
   TOP NAV
   ============================================= */
.top-nav {
  height: var(--header-h);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  gap: 20px;
  position: relative;
  z-index: 100;
}

.top-nav-left {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo {
  display: flex;
  align-items: center;
  color: var(--text-primary);
  transition: opacity var(--t-fast);
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--r-sm);
  background: var(--accent-grad);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--accent-glow);
}

.logo-text {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.top-nav-center {
  flex: 1;
  max-width: 600px;
  display: flex;
  justify-content: center;
}

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

.global-search-input {
  width: 100%;
  background: var(--bg-base);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 10px 16px 10px 40px;
  color: var(--text-primary);
  font-size: 14px;
  transition: all var(--t-fast);
  outline: none;
}

.global-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
  background: var(--bg-elevated);
}

.global-search-wrapper .search-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

.top-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}


.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  border-radius: var(--r-md);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  border: 1px solid transparent;
  user-select: none;
}

.nav-item:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(217, 119, 6, 0.08);
  color: var(--text-primary);
  border-color: rgba(217, 119, 6, 0.15);
}

.nav-item.active .nav-icon {
  color: var(--accent);
}

.nav-icon {
  font-size: 16px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-style: normal;
}

.nav-label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-footer {
  padding: 12px 16px 20px;
  border-top: 1px solid var(--border-subtle);
  flex-shrink: 0;
}

.coming-soon-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  overflow: hidden;
}

/* =============================================
   SIDEBAR OVERLAY (mobile)
   ============================================= */
/* =============================================
   MAIN CONTENT
   ============================================= */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

/* =============================================
   DASHBOARD VIEW (App Store Style)
   ============================================= */
.dashboard-view {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dashboard-hero {
  text-align: center;
  max-width: 800px;
  margin-bottom: 48px;
  padding: 40px 40px 0;
  position: relative;
}

.dashboard-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(ellipse, rgba(217, 119, 6, 0.15) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.dashboard-title {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  margin-bottom: 16px;
  position: relative;
  z-index: 1;
}

.dashboard-subtitle {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* =============================================
   FLOATING SIDE NAV (Pop-up Menu)
   ============================================= */
.floating-side-nav {
  position: fixed;
  left: 40px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 50;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px;
  background: rgba(10, 10, 10, 0.75);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  max-height: 75vh;
  overflow-y: auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  scrollbar-width: none;
}

.floating-side-nav::-webkit-scrollbar {
  display: none;
}

.category-nav-btn {
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-secondary);
  padding: 10px 20px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  text-align: left;
  white-space: nowrap;
  transition: all var(--t-fast);
  width: 100%;
}

.category-nav-btn:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border-color: var(--border-subtle);
}

.category-nav-btn.active {
  background: rgba(217, 119, 6, 0.15);
  color: var(--accent);
  border-color: rgba(217, 119, 6, 0.3);
}

/* Make sure main content doesn't get hidden behind left nav on large screens */
@media (min-width: 1400px) {
  .dashboard-grid-container {
    padding-left: 160px;
    /* Offset to center the grid considering the left nav + original padding */
  }
}

@media (max-width: 1399px) {
  .floating-side-nav {
    display: none;
    /* Hide on smaller screens where it would overlap too much */
  }
}

.dashboard-grid-container {
  width: 100%;
  max-width: 1200px;
  display: flex;
  flex-direction: column;
  gap: 40px;
  position: relative;
  z-index: 1;
  padding: 0 40px 40px;
}

.category-section-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.category-section-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 18px;
  background: var(--accent-grad);
  border-radius: 4px;
}

.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

.tool-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 24px;
  cursor: pointer;
  transition: all var(--t-mid);
  backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  text-align: left;
}

.tool-card:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-mid);
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.tool-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tool-card-icon {
  font-size: 28px;
  width: 48px;
  height: 48px;
  background: var(--bg-elevated);
  border-radius: var(--r-md);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-subtle);
}

.tool-card-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
}

.tool-card-desc {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

/* =============================================
   SCROLL TO TOP BUTTON
   ============================================= */
.scroll-top-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--t-mid);
  z-index: 90;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background: var(--bg-elevated);
  border-color: var(--border-mid);
  color: var(--accent);
  transform: translateY(-4px);
}

/* =============================================
   TOOL VIEW (Focus Mode)
   ============================================= */
.tool-view {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.tool-view-header {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: var(--bg-surface);
}

.btn-back {
  align-self: flex-start;
  padding: 6px 12px;
  margin-left: -12px;
}

.tool-active-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.tool-viewport {
  flex: 1;
  overflow-y: auto;
  padding: 40px;
  display: flex;
  flex-direction: column;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* =============================================
   BUTTONS
   ============================================= */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 16px;
  border-radius: var(--r-sm);
  font-size: 13px;
  font-weight: 600;
  transition: all var(--t-fast);
  white-space: nowrap;
  cursor: pointer;
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--accent-grad);
  color: #fff;
  border-color: transparent;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 2px 8px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.2), 0 4px 12px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-secondary);
  border-color: var(--border-mid);
}

.btn-secondary:hover {
  color: var(--text-primary);
  background: var(--bg-glass-hover);
}

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border-color: transparent;
}

.btn-ghost:hover {
  background: var(--bg-glass-hover);
  color: var(--text-secondary);
}

.btn-danger:hover {
  color: var(--error) !important;
}

.btn-sm {
  padding: 5px 12px;
  font-size: 12px;
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* =============================================
   FORM ELEMENTS
   ============================================= */
.tool-select {
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 6px 10px;
  cursor: pointer;
  transition: border-color var(--t-fast);
}

.tool-select:hover,
.tool-select:focus {
  border-color: var(--accent);
  outline: none;
  color: var(--text-primary);
}

/* =============================================
   GLASS PANEL
   ============================================= */
.glass-panel {
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.02), 0 8px 32px rgba(0, 0, 0, 0.4);
}

/* =============================================
   TOOL CONTAINER SHARED
   ============================================= */
.tool-container {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
  animation: fadeSlideUp var(--t-spring) both;
}

.panel-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px 8px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  text-transform: uppercase;
}

/* =============================================
   JSON BEAUTIFIER TOOL
   ============================================= */
.json-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.json-toolbar-actions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.json-panels {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  flex: 1;
  min-height: 0;
}

.json-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
  min-height: 380px;
}

.json-textarea {
  flex: 1;
  resize: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  padding: 16px;
  outline: none;
  tab-size: 2;
}

.json-textarea::placeholder {
  color: var(--text-muted);
}

.json-output-container {
  flex: 1;
  overflow: auto;
  padding: 16px;
}

.json-output {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  white-space: pre;
  margin: 0;
}

.json-string {
  color: var(--json-string);
}

.json-number {
  color: var(--json-number);
}

.json-boolean {
  color: var(--json-boolean);
}

.json-null {
  color: var(--json-null);
}

.json-key {
  color: var(--json-key);
}

.json-bracket {
  color: var(--json-bracket);
}

.json-status {
  display: flex;
  align-items: center;
  gap: 6px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--t-fast), box-shadow var(--t-fast);
}

.status-dot.valid {
  background: var(--success);
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}

.status-dot.invalid {
  background: var(--error);
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}

.json-statusbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 2px 0;
  font-size: 11px;
  color: var(--text-muted);
}

.statusbar-sep {
  opacity: 0.4;
}

.json-error-banner {
  background: var(--error-bg);
  border: 1px solid rgba(239, 68, 68, 0.25);
  border-radius: var(--r-sm);
  padding: 10px 14px;
  font-size: 12px;
  color: var(--error);
  font-family: var(--font-mono);
  margin-top: 4px;
  display: none;
}

.json-error-banner.visible {
  display: block;
}

/* =============================================
   WORD COUNTER TOOL
   ============================================= */
.wc-tool {
  display: flex;
  flex-direction: column;
  gap: 16px;
  flex: 1;
}

.wc-textarea-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.wc-textarea {
  resize: none;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.8;
  padding: 20px;
  outline: none;
  min-height: 200px;
  flex: 1;
}

.wc-textarea::placeholder {
  color: var(--text-muted);
}

.wc-toolbar {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  padding: 8px 12px;
  border-top: 1px solid var(--border-subtle);
}

.wc-stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
}

.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 18px;
  transition: border-color var(--t-fast), transform var(--t-fast);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent-grad);
  opacity: 0;
  transition: opacity var(--t-fast);
}

.stat-card:hover {
  border-color: var(--border-mid);
  transform: translateY(-1px);
}

.stat-card:hover::before {
  opacity: 1;
}

.stat-card.featured {
  border-color: rgba(99, 102, 241, 0.25);
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.06), rgba(139, 92, 246, 0.04));
}

.stat-card.featured::before {
  opacity: 1;
}

.stat-icon {
  font-size: 18px;
  margin-bottom: 8px;
  display: block;
}

.stat-value {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -1px;
  color: var(--text-primary);
  line-height: 1;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  transition: color var(--t-fast);
}

.stat-card.featured .stat-value {
  color: var(--text-accent);
}

.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.stat-value.updating {
  color: var(--accent);
}

/* Top word list */
.wc-top-words {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 16px 18px;
}

.wc-top-words h3 {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.word-freq-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.word-freq-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  padding: 3px 10px;
  font-size: 12px;
}

.word-freq-chip span {
  color: var(--text-muted);
  font-size: 10px;
}

/* =============================================
   TOAST NOTIFICATIONS
   ============================================= */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  z-index: 9999;
  pointer-events: none;
}

.toast {
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-md);
  padding: 12px 18px;
  font-size: 13px;
  color: var(--text-primary);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  animation: toastIn 0.3s var(--t-spring) both;
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toast.success {
  border-color: rgba(34, 197, 94, 0.3);
}

.toast.error {
  border-color: rgba(239, 68, 68, 0.3);
}

.toast.hide {
  animation: toastOut 0.25s ease-out both;
}

/* =============================================
   ANIMATIONS
   ============================================= */
@keyframes fadeSlideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(20px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes toastOut {
  from {
    opacity: 1;
    transform: translateX(0);
  }

  to {
    opacity: 0;
    transform: translateX(20px);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

@keyframes pulse {

  0%,
  100% {
    opacity: 1;
  }

  50% {
    opacity: 0.5;
  }
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 1024px) {
  .sidebar {
    width: 64px;
  }

  .sidebar .logo-text,
  .sidebar .nav-label,
  .sidebar .sidebar-section-label,
  .sidebar .coming-soon-badge {
    display: none;
  }

  .sidebar .logo-icon {
    margin: 0 auto;
  }

  .sidebar .logo {
    justify-content: center;
  }

  .sidebar-nav {
    align-items: center;
  }

  .nav-item {
    justify-content: center;
    padding: 10px;
  }

  .nav-icon {
    width: auto;
  }

  .sidebar-footer {
    display: none;
  }
}

/* =============================================
   COLOR CONVERTER TOOL
   ============================================= */
.cc-swatch-row {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-lg);
  padding: 20px;
}

.cc-swatch-main {
  width: 100px;
  height: 100px;
  border-radius: var(--r-lg);
  flex-shrink: 0;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
  transition: background 0.25s ease;
}

.cc-swatch-label {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 1px;
  margin-bottom: 10px;
}

.cc-contrast-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.cc-contrast-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 99px;
  font-size: 11px;
  font-weight: 500;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
}

.cc-inputs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.cc-input-group {
  padding: 16px;
  border-radius: var(--r-lg);
}

.cc-input-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.cc-format-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.cc-hex-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.cc-color-picker {
  width: 40px;
  height: 36px;
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  background: var(--bg-elevated);
  cursor: pointer;
  padding: 2px;
  flex-shrink: 0;
}

.cc-color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.cc-color-picker::-webkit-color-swatch {
  border: none;
  border-radius: 4px;
}

.cc-text-input {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 8px 10px;
  transition: border-color var(--t-fast);
  outline: none;
}

.cc-text-input:focus {
  border-color: var(--accent);
}

.cc-rgb-row {
  display: flex;
  gap: 8px;
}

.cc-channel {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.cc-channel-label {
  font-size: 10px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.cc-num-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 7px 8px;
  text-align: center;
  width: 100%;
  outline: none;
  transition: border-color var(--t-fast);
}

.cc-num-input:focus {
  border-color: var(--accent);
}

.cc-num-input::-webkit-inner-spin-button {
  opacity: 0.5;
}

.cc-palette {
  padding: 14px 16px;
  border-radius: var(--r-lg);
}

.cc-palette-label {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 10px;
}

.cc-palette-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.cc-palette-chip {
  width: 36px;
  height: 36px;
  border-radius: var(--r-sm);
  cursor: pointer;
  transition: transform var(--t-fast), box-shadow var(--t-fast);
  border: 2px solid rgba(255, 255, 255, 0.08);
}

.cc-palette-chip:hover {
  transform: scale(1.15);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
}

/* =============================================
   PASSWORD GENERATOR TOOL
   ============================================= */
.pg-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
  flex: 1;
}

.pg-controls {
  padding: 20px;
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.pg-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
  margin-bottom: -4px;
}

.pg-control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pg-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pg-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
}

.pg-length-val {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
}

.pg-slider {
  width: 100%;
  -webkit-appearance: none;
  height: 4px;
  background: var(--border-mid);
  border-radius: 99px;
  outline: none;
  cursor: pointer;
}

.pg-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent-glow);
  cursor: pointer;
  transition: transform var(--t-fast);
}

.pg-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.pg-slider-marks {
  position: relative;
  height: 16px;
  margin-top: 2px;
}

.pg-slider-marks span {
  position: absolute;
  font-size: 10px;
  color: var(--text-muted);
  transform: translateX(-50%);
  white-space: nowrap;
}

.pg-slider-marks span:first-child {
  transform: translateX(0);
}

.pg-slider-marks span:last-child {
  transform: translateX(-100%);
}

.pg-toggles {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.pg-toggle-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.pg-toggle-item input[type="checkbox"] {
  display: none;
}

.pg-toggle-pill {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  color: var(--text-muted);
  cursor: pointer;
  transition: all var(--t-fast);
  width: 100%;
}

.pg-toggle-item input:checked+.pg-toggle-pill {
  background: var(--accent-glow);
  border-color: rgba(99, 102, 241, 0.3);
  color: var(--text-accent);
}

.pg-output-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.pg-strength {
  padding: 16px;
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.pg-strength-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pg-strength-label {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 600;
}

.pg-strength-name {
  font-size: 13px;
  font-weight: 700;
  transition: color 0.3s ease;
}

.pg-strength-bar-track {
  height: 6px;
  background: var(--border-subtle);
  border-radius: 99px;
  overflow: hidden;
}

.pg-strength-bar-fill {
  height: 100%;
  border-radius: 99px;
  transition: width 0.4s ease, background 0.4s ease;
}

.pg-entropy-txt {
  font-size: 11px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.pg-passwords {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
}

.pg-empty-hint {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 120px;
  color: var(--text-muted);
  font-size: 13px;
  background: var(--bg-surface);
  border: 1px dashed var(--border-subtle);
  border-radius: var(--r-lg);
}

.pg-pw-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: 12px 16px;
  transition: border-color var(--t-fast);
  animation: fadeSlideUp 0.3s both;
}

.pg-pw-row:hover {
  border-color: var(--border-mid);
}

.pg-pw-text {
  flex: 1;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-primary);
  word-break: break-all;
  letter-spacing: 0.05em;
}

/* =============================================
   QR CODE GENERATOR TOOL
   ============================================= */
.qr-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 16px;
  flex: 1;
}

.qr-controls {
  padding: 20px;
  border-radius: var(--r-lg);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.qr-colors-row {
  display: flex;
  gap: 16px;
  margin-top: 6px;
}

.qr-color-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  align-items: center;
}

.qr-preview-panel {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qr-canvas-wrapper {
  flex: 1;
  min-height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-lg);
  padding: 24px;
}

.qr-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-align: center;
}

.qr-loading {
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.qr-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.qr-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: 11px;
  color: var(--text-muted);
}

.qr-ecc-badge {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
}

.qr-ecc-tip {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
  padding: 8px 10px;
  background: var(--bg-elevated);
  border-radius: var(--r-sm);
  border-left: 2px solid var(--accent);
}

.qr-style-grid {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.qr-style-item {
  flex: 1;
  cursor: pointer;
}

.qr-style-item input[type="radio"] {
  display: none;
}

.qr-style-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 10px 8px;
  border-radius: var(--r-md);
  border: 1px solid var(--border-subtle);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--t-fast);
}

.qr-style-item input:checked+.qr-style-pill {
  border-color: rgba(99, 102, 241, 0.4);
  background: var(--accent-glow);
  color: var(--text-accent);
}

.qr-style-pill:hover {
  border-color: var(--border-mid);
  color: var(--text-primary);
}

.qr-style-preview {
  width: 28px;
  height: 28px;
}

.classic-preview {
  background:
    linear-gradient(var(--text-primary) 0 0) 0 0/8px 8px,
    linear-gradient(var(--text-primary) 0 0) 10px 0/8px 8px,
    linear-gradient(var(--text-primary) 0 0) 0 10px/18px 8px,
    linear-gradient(var(--text-primary) 0 0) 10px 10px/8px 8px;
  background-repeat: no-repeat;
}

.dots-preview {
  background:
    radial-gradient(circle, var(--text-primary) 50%, transparent 50%) 0 0/8px 8px,
    radial-gradient(circle, var(--text-primary) 50%, transparent 50%) 10px 0/8px 8px,
    radial-gradient(circle, var(--text-primary) 50%, transparent 50%) 5px 10px/8px 8px;
  background-repeat: no-repeat;
}

.rounded-preview {
  background: var(--text-primary);
  border-radius: 5px;
  opacity: 0.5;
}

/* =============================================
   INFO BUTTON & TOOLTIP
   ============================================= */
.info-btn-wrapper {
  position: relative;
}

.info-btn {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--t-fast);
  flex-shrink: 0;
  line-height: 1;
  padding: 0;
}

.info-btn:hover {
  background: var(--accent-glow);
  border-color: var(--accent);
  color: var(--text-accent);
  box-shadow: 0 0 10px var(--accent-glow);
}

.info-tooltip {
  position: absolute;
  top: calc(100% + 12px);
  left: 0;
  width: 340px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-lg);
  padding: 16px 18px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.75;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.55);
  z-index: 2000;
  pointer-events: none;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  white-space: normal;
}

.info-tooltip::before {
  content: '';
  position: absolute;
  top: -6px;
  left: 8px;
  width: 10px;
  height: 10px;
  background: var(--bg-elevated);
  border-left: 1px solid var(--border-mid);
  border-top: 1px solid var(--border-mid);
  transform: rotate(45deg);
}

.info-btn-wrapper:hover .info-tooltip,
.info-btn-wrapper:focus-within .info-tooltip {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.info-tooltip-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.info-tooltip-title::before {
  content: 'ⓘ';
  color: var(--accent);
}

.info-tooltip-body {
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.75;
}

.info-tooltip-tip {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border-subtle);
  font-size: 11px;
  color: var(--text-muted);
}

.info-tooltip-tip strong {
  color: var(--text-accent);
}

@media (max-width: 768px) {
  body {
    overflow: auto;
  }

  .app-layout {
    flex-direction: column;
    height: auto;
    min-height: 100vh;
  }

  .sidebar {
    width: 100%;
    height: auto;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    border-right: none;
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: row;
    align-items: center;
    padding: 0;
    overflow: visible;
  }

  .sidebar-header {
    border: none;
    padding: 12px 16px;
    flex: 1;
  }

  .sidebar .sidebar-section-label,
  .sidebar .coming-soon-badge {
    display: none;
  }

  .sidebar-nav {
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border-subtle);
    flex-direction: column;
    padding: 8px;
    transform: translateY(-120%);
    opacity: 0;
    transition: transform var(--t-mid), opacity var(--t-mid);
    z-index: 99;
  }

  .sidebar.open .sidebar-nav {
    transform: translateY(0);
    opacity: 1;
  }

  .sidebar.open+.sidebar-overlay {
    display: block;
  }

  .hamburger-btn {
    display: flex;
  }

  .sidebar .logo-text {
    display: block;
  }

  .sidebar .nav-label {
    display: block;
  }

  .nav-item {
    justify-content: flex-start;
  }

  .main-content {
    margin-top: 57px;
    height: calc(100vh - 57px);
  }

  .tool-viewport {
    padding: 16px;
  }

  .json-panels {
    grid-template-columns: 1fr;
  }

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

/* =============================================
   FOOTER
   ============================================= */
.app-footer {
  margin-top: auto;
  width: 100%;
  padding: 60px 40px;
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  gap: 60px;
  flex-wrap: wrap;
}

.footer-left {
  flex: 1;
  min-width: 300px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.footer-logo {
  width: 28px;
  height: 28px;
  border-radius: var(--r-sm);
  object-fit: cover;
}

.footer-logo-text {
  font-size: 18px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 320px;
  margin-bottom: 24px;
}

.footer-copyright {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-link-highlight {
  color: var(--accent);
  font-weight: 700;
  transition: color var(--t-fast);
}

.footer-link-highlight:hover {
  color: var(--accent-hover);
  text-decoration: underline;
}

.footer-links-grid {
  display: flex;
  gap: 60px;
}

.footer-links-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}

.footer-link {
  font-size: 14px;
  color: var(--text-secondary);
  transition: all var(--t-fast);
}

.footer-link:hover {
  color: var(--accent);
  transform: translateX(4px);
}

@media (max-width: 768px) {
  .footer-content {
    flex-direction: column;
    gap: 40px;
  }
  .footer-links-grid {
    gap: 40px;
    width: 100%;
    justify-content: space-between;
  }
}