/* ==========================================================================
   OMNITOOL STUDIO — PROFESSIONAL DESIGN SYSTEM (v2.5)
   Crafted with love & coffee by Shubham & Nidhi for project.shubhxlab.xyz
   Executive-Grade Developer & Creator Workspace
   ========================================================================== */

:root {
  /* Color Tokens */
  --bg-app: #06080d;
  --bg-sidebar: #090c13;
  --bg-header: rgba(9, 12, 19, 0.85);
  --bg-workspace: #0b0e17;
  
  --surface-card: #0f1422;
  --surface-card-elevated: #151c2e;
  --surface-card-hover: #192237;
  --surface-input: #080b12;
  --surface-toolbar: #0c101a;

  --border-dim: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.12);
  --border-focus: rgba(245, 158, 11, 0.45);
  --border-accent: rgba(245, 158, 11, 0.6);

  --text-main: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #f59e0b;

  --accent-amber: #f59e0b;
  --accent-gold: #fbbf24;
  --accent-rose: #f43f5e;
  --accent-sky: #38bdf8;
  --accent-emerald: #10b981;
  --accent-indigo: #6366f1;

  --gradient-amber: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --gradient-primary: linear-gradient(135deg, #f59e0b 0%, #f43f5e 100%);
  --gradient-dark: linear-gradient(180deg, rgba(21, 28, 46, 0.6) 0%, rgba(15, 20, 34, 0.9) 100%);

  /* Typography */
  --font-display: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'Space Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Geometry & Shadows */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.6);
  --shadow-accent: 0 0 24px rgba(245, 158, 11, 0.18);

  --header-height: 58px;
  --sidebar-width: 256px;
}

/* Global Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
}

input, textarea, code, pre, [contenteditable="true"] {
  -webkit-user-select: text !important;
  -moz-user-select: text !important;
  -ms-user-select: text !important;
  user-select: text !important;
}

html, body {
  width: 100%;
  height: 100%;
  background-color: var(--bg-app);
  color: var(--text-main);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: transparent;
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Ambient Canvas */
#ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.45;
}

/* App Main Layout */
.app-layout {
  display: flex;
  flex-direction: column;
  height: 100vh;
  position: relative;
  z-index: 1;
}

/* Executive Top Header */
.app-header {
  height: var(--header-height);
  background: var(--bg-header);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1.5rem;
  flex-shrink: 0;
  z-index: 20;
}

.header-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--text-main);
}

.logo-badge {
  font-size: 1.15rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.3);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.15);
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  letter-spacing: -0.025em;
}

.text-accent {
  color: var(--accent-amber);
}

.subdomain-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dim);
  padding: 0.18rem 0.55rem;
  border-radius: var(--radius-full);
}

.header-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.command-trigger-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-full);
  padding: 0.4rem 1rem;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.82rem;
  cursor: pointer;
  width: 300px;
  transition: all 0.2s ease;
}

.command-trigger-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-focus);
  color: var(--text-main);
  box-shadow: 0 0 16px rgba(245, 158, 11, 0.1);
}

.kbd-combo {
  margin-left: auto;
  display: flex;
  gap: 0.25rem;
}

.kbd-key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0.1rem 0.35rem;
  border-radius: 4px;
  color: var(--text-muted);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.header-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s ease;
}

.header-btn:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--border-light);
  color: var(--text-main);
}

.cheer-pill-btn {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  background: rgba(244, 63, 94, 0.08);
  border: 1px solid rgba(244, 63, 94, 0.2);
  color: #fb7185;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.38rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.cheer-pill-btn:hover {
  background: rgba(244, 63, 94, 0.15);
  border-color: rgba(244, 63, 94, 0.4);
  transform: scale(1.04);
}

/* App Body & Sidebar */
.app-body {
  display: flex;
  flex: 1;
  overflow: hidden;
}

.app-sidebar {
  width: var(--sidebar-width);
  background: var(--bg-sidebar);
  border-right: 1px solid var(--border-dim);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  overflow-y: auto;
  padding: 1.25rem 0.75rem;
}

.sidebar-section {
  margin-bottom: 1.5rem;
}

.sidebar-category-label {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 0 0.65rem;
  margin-bottom: 0.45rem;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  padding: 0.52rem 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  text-align: left;
  transition: all 0.16s ease;
  width: 100%;
  position: relative;
}

.nav-item:hover {
  background: rgba(255, 255, 255, 0.035);
  color: var(--text-main);
}

.nav-item.active {
  background: rgba(245, 158, 11, 0.09);
  border-color: rgba(245, 158, 11, 0.22);
  color: var(--accent-gold);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: -0.75rem;
  top: 15%;
  height: 70%;
  width: 3px;
  background: var(--accent-amber);
  border-radius: 0 4px 4px 0;
}

.nav-icon {
  font-size: 0.95rem;
  width: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: inherit;
}

.sidebar-footer {
  margin-top: auto;
  padding: 0.85rem 0.65rem 0.35rem;
  border-top: 1px solid var(--border-dim);
}

.builder-credit-tag {
  font-size: 0.75rem;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.builder-credit-tag strong {
  color: var(--accent-gold);
  font-weight: 600;
}

.heart-pulse {
  display: inline-block;
  color: var(--accent-rose);
}

/* Workspace Viewport */
.workspace-viewport {
  flex: 1;
  background: var(--bg-workspace);
  overflow-y: auto;
  padding: 2rem 2.5rem;
  position: relative;
}

.tool-view {
  display: none;
  max-width: 1120px;
  margin: 0 auto;
  animation: viewFadeIn 0.22s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.tool-view.active {
  display: block;
}

/* Tool Header */
.tool-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.75rem;
  flex-wrap: wrap;
  gap: 1rem;
  border-bottom: 1px solid var(--border-dim);
  padding-bottom: 1.25rem;
}

.tool-title-group h2 {
  font-family: var(--font-display);
  font-size: 1.55rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 0.25rem;
}

.tool-title-group p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.tool-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* Standardized Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.82rem;
  padding: 0.48rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.16s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(245, 158, 11, 0.25);
}

.btn-primary:hover {
  box-shadow: 0 4px 18px rgba(245, 158, 11, 0.4);
  filter: brightness(1.05);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.035);
  border-color: var(--border-dim);
  color: var(--text-main);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--border-light);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.78rem;
}

.btn-text-sm {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
}

.btn-text-sm:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.05);
}

/* Input Fields & Textareas */
.code-textarea {
  flex: 1;
  background: var(--surface-input);
  border: none;
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  padding: 1.1rem;
  resize: none;
  outline: none;
  line-height: 1.65;
}

.code-output-box {
  flex: 1;
  background: var(--surface-input);
  padding: 1.1rem;
  overflow: auto;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-main);
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-all;
}

.select-dropdown {
  background: var(--surface-input);
  border: 1px solid var(--border-dim);
  color: var(--text-main);
  padding: 0.42rem 0.8rem;
  border-radius: var(--radius-sm);
  outline: none;
  font-family: var(--font-body);
  font-size: 0.8rem;
  cursor: pointer;
}

.select-dropdown:focus {
  border-color: var(--border-focus);
}

/* Split Editor Grid */
.split-editor-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  min-height: 480px;
}

.editor-pane {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.pane-bar {
  background: var(--surface-toolbar);
  border-bottom: 1px solid var(--border-dim);
  padding: 0.55rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pane-title {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.badge-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.15rem 0.55rem;
  border-radius: var(--radius-full);
}

.badge-success {
  background: rgba(16, 185, 129, 0.12);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge-error {
  background: rgba(244, 63, 94, 0.12);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.25);
}

.badge-info {
  background: rgba(56, 189, 248, 0.12);
  color: #7dd3fc;
  border: 1px solid rgba(56, 189, 248, 0.25);
}

/* JWT Styles */
.jwt-container {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.jwt-input-pane {
  min-height: 120px;
}

.jwt-decoded-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.jwt-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.jwt-card-header {
  background: var(--surface-toolbar);
  padding: 0.65rem 1rem;
  border-bottom: 1px solid var(--border-dim);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.jwt-badge {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.72rem;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.jwt-header-card .jwt-badge {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
  border: 1px solid rgba(244, 63, 94, 0.3);
}

.jwt-payload-card .jwt-badge {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.jwt-meta {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.jwt-meta-summary {
  padding: 0.65rem 1rem;
  background: rgba(245, 158, 11, 0.05);
  border-bottom: 1px solid var(--border-dim);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent-gold);
}

.jwt-pre {
  padding: 1.1rem;
  background: var(--surface-input);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  overflow: auto;
  max-height: 340px;
}

/* Regex Playground */
.regex-controls-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 0.85rem 1.1rem;
  margin-bottom: 1.25rem;
}

.regex-input-row {
  display: flex;
  align-items: center;
  gap: 0.45rem;
}

.regex-slash {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent-amber);
}

.regex-pattern-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--text-main);
}

.regex-flags-input {
  width: 55px;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: var(--accent-gold);
}

.regex-highlight-box {
  flex: 1;
  background: var(--surface-input);
  padding: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  white-space: pre-wrap;
  word-break: break-all;
  overflow: auto;
}

.regex-match-tag {
  background: rgba(245, 158, 11, 0.25);
  border-bottom: 2px solid var(--accent-gold);
  border-radius: 2px;
  color: #ffffff;
  font-weight: 700;
  padding: 0 2px;
}

/* Hash & Crypto Suite */
.crypto-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.crypto-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.crypto-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
}

.crypto-card-header h3 {
  font-size: 0.95rem;
  font-family: var(--font-display);
  font-weight: 700;
}

.crypto-input-box {
  width: 100%;
  height: 85px;
  margin-bottom: 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dim);
}

.hash-results-group {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.hash-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--surface-input);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  padding: 0.38rem 0.7rem;
}

.hash-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-gold);
  width: 65px;
  flex-shrink: 0;
}

.hash-output {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-main);
}

.btn-copy-sm {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.16s ease;
}

.btn-copy-sm:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.12);
}

.uuid-display-box {
  background: var(--surface-input);
  border: 1px dashed rgba(245, 158, 11, 0.3);
  padding: 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--accent-gold);
  text-align: center;
  word-break: break-all;
}

.mt-4 {
  margin-top: 1.25rem;
}

.encoding-actions {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
  flex-wrap: wrap;
}

.encode-box {
  height: 95px;
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dim);
}

/* Markdown Scratchpad */
.markdown-preview-box {
  flex: 1;
  background: var(--surface-input);
  padding: 1.35rem;
  overflow: auto;
  font-size: 0.9rem;
  line-height: 1.7;
}

.markdown-preview-box h1,
.markdown-preview-box h2,
.markdown-preview-box h3 {
  margin-top: 0.9rem;
  margin-bottom: 0.45rem;
  font-family: var(--font-display);
}

.markdown-preview-box p {
  margin-bottom: 0.85rem;
  color: var(--text-secondary);
}

.markdown-preview-box code {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.84em;
  color: var(--accent-gold);
}

.auto-save-tag {
  font-size: 0.72rem;
  color: var(--accent-emerald);
}

/* Color Palette Studio */
.palette-display-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.palette-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.palette-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-light);
}

.palette-swatch {
  height: 110px;
  width: 100%;
}

.palette-info {
  padding: 0.85rem;
  text-align: center;
  background: var(--surface-toolbar);
}

.palette-hex {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.2rem;
}

.palette-hsl {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

.contrast-checker-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1.35rem;
}

.contrast-checker-card h3 {
  font-size: 0.95rem;
  font-family: var(--font-display);
  margin-bottom: 0.75rem;
}

.contrast-demo-box {
  background: #06080d;
  border: 1px solid var(--border-dim);
  padding: 1.5rem;
  border-radius: var(--radius-sm);
  margin: 0.75rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  text-align: center;
}

.contrast-score-bar {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.contrast-score {
  font-family: var(--font-mono);
  font-size: 0.88rem;
}

.contrast-badge {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 700;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
}

.color-picker-input {
  width: 34px;
  height: 32px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: var(--radius-xs);
}

/* Glassmorphism Lab */
.glass-lab-grid {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.5rem;
}

.glass-controls-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.control-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.control-group input[type="range"] {
  width: 100%;
  accent-color: var(--accent-amber);
}

.glass-preview-stage {
  background: #040508;
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 2rem;
}

.stage-bg-balls {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.stage-ball {
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
}

.ball-amber {
  width: 180px;
  height: 180px;
  background: rgba(245, 158, 11, 0.4);
  top: 15%;
  left: 20%;
}

.ball-rose {
  width: 160px;
  height: 160px;
  background: rgba(244, 63, 94, 0.35);
  bottom: 20%;
  right: 25%;
}

.live-glass-card {
  position: relative;
  z-index: 1;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  padding: 2.25rem;
  max-width: 380px;
  width: 100%;
  box-shadow: 0 16px 32px rgba(0, 0, 0, 0.4);
}

.glass-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.18);
  color: var(--accent-gold);
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
}

.glass-inner-content h3 {
  margin: 0.65rem 0 0.4rem;
  font-size: 1.3rem;
  font-family: var(--font-display);
}

.glass-inner-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
}

/* HTTP & API Sandbox */
.http-client-box {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.http-url-bar {
  display: flex;
  gap: 0.6rem;
}

.http-method-select {
  width: 110px;
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--accent-gold);
}

.http-url-input {
  flex: 1;
  background: var(--surface-input);
  border: 1px solid var(--border-dim);
  padding: 0.6rem 0.95rem;
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-mono);
  font-size: 0.84rem;
  outline: none;
}

.http-url-input:focus {
  border-color: var(--border-focus);
}

.http-subtabs-row {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-dim);
  padding-bottom: 0.5rem;
}

.http-subtab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  cursor: pointer;
  transition: all 0.16s ease;
}

.http-subtab-btn.active {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-main);
}

.http-subtab-content {
  display: none;
}

.http-subtab-content.active {
  display: block;
}

.http-req-box {
  height: 110px;
  width: 100%;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dim);
}

.http-response-panel {
  background: var(--surface-input);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.http-meta-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.http-resp-box {
  min-height: 200px;
  max-height: 420px;
  background: transparent;
}

/* Diff Checker */
.diff-result-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.diff-output-container {
  background: var(--surface-input);
  padding: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 1.65;
  max-height: 380px;
  overflow-y: auto;
}

.diff-line {
  display: flex;
  padding: 0.15rem 0.4rem;
  border-radius: 2px;
  white-space: pre-wrap;
  word-break: break-all;
}

.diff-line-add {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
}

.diff-line-del {
  background: rgba(244, 63, 94, 0.15);
  color: #fb7185;
}

.diff-line-same {
  color: var(--text-muted);
}

/* Converters & Epoch */
.converters-wrapper {
  display: flex;
  flex-direction: column;
}

.conv-panel {
  display: none;
}

.conv-panel.active {
  display: block;
  animation: viewFadeIn 0.2s ease;
}

.conv-tab-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 0.45rem 0.8rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.16s ease;
  white-space: nowrap;
}

.conv-tab-btn.active {
  background: rgba(245, 158, 11, 0.14);
  color: var(--accent-gold);
}

.epoch-hero-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
}

.epoch-label {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.epoch-live-clock {
  font-family: var(--font-mono);
  font-size: 3rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
}

.unit-base-setting {
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.unit-num-input {
  width: 55px;
  background: var(--surface-input);
  border: 1px solid var(--border-dim);
  color: var(--text-main);
  padding: 0.2rem 0.4rem;
  border-radius: 4px;
  text-align: center;
  font-family: var(--font-mono);
}

.unit-calc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

/* Mesh Gradient Studio */
.gradient-stage-box {
  background: linear-gradient(135deg, #f59e0b 0%, #f43f5e 50%, #6366f1 100%);
  border-radius: var(--radius-md);
  min-height: 380px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
  padding: 2rem;
  transition: all 0.3s ease;
}

.gradient-stage-content {
  background: rgba(8, 11, 18, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 2rem 2.5rem;
  text-align: center;
}

.gradient-stage-content h3 {
  font-size: 1.4rem;
  font-family: var(--font-display);
  margin-bottom: 0.25rem;
}

.gradient-stage-content p {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* Focus & Ambience Workspace */
.focus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.pomo-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 2.5rem 1.5rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.pomo-modes {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 2rem;
}

.pomo-mode-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.16s ease;
}

.pomo-mode-btn.active {
  background: rgba(245, 158, 11, 0.15);
  border-color: var(--accent-amber);
  color: var(--accent-gold);
}

.pomo-timer-display {
  font-family: var(--font-mono);
  font-size: 4.5rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.04em;
  margin-bottom: 2rem;
  text-shadow: 0 0 20px rgba(255, 255, 255, 0.1);
}

.pomo-controls {
  display: flex;
  gap: 0.75rem;
}

.ambient-mixer-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.ambient-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
}

.mixer-track {
  display: flex;
  align-items: center;
  background: var(--surface-input);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
}

.track-icon {
  font-size: 1.25rem;
  margin-right: 0.75rem;
}

.track-label {
  flex: 1;
  font-size: 0.88rem;
  font-weight: 600;
}

.btn-sound-toggle {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-dim);
  color: var(--text-secondary);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all 0.16s ease;
}

.btn-sound-toggle.playing {
  background: var(--accent-amber);
  border-color: var(--accent-amber);
  color: #000000;
}

/* Documentation Styles */
.docs-container {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  max-width: 960px;
}

.docs-quicknav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  position: sticky;
  top: 0;
  z-index: 5;
  backdrop-filter: blur(16px);
}

.docs-nav-chip {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  background: rgba(255, 255, 255, 0.04);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  transition: all 0.16s ease;
}

.docs-nav-chip:hover {
  background: rgba(245, 158, 11, 0.15);
  color: var(--accent-gold);
}

.doc-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  scroll-margin-top: 80px;
}

.doc-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.25);
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-full);
  width: fit-content;
}

.doc-heading {
  font-size: 1.45rem;
  font-family: var(--font-display);
  color: var(--text-main);
  letter-spacing: -0.015em;
}

.doc-card p {
  color: var(--text-secondary);
  line-height: 1.7;
  font-size: 0.92rem;
}

.doc-card code {
  font-family: var(--font-mono);
  font-size: 0.85em;
  background: rgba(255, 255, 255, 0.08);
  color: var(--accent-gold);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
}

.doc-grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.doc-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.doc-subcard {
  background: var(--surface-input);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-md);
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.doc-subcard h4 {
  font-size: 1rem;
  color: var(--text-main);
  font-family: var(--font-display);
}

.doc-subcard p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.doc-flow-diagram {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  overflow-x: auto;
  padding: 1.25rem;
  background: var(--surface-input);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-dim);
}

.flow-step {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-sm);
  padding: 0.9rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 170px;
  text-align: center;
}

.flow-step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-gold);
  text-transform: uppercase;
}

.flow-step strong {
  font-size: 0.88rem;
  color: var(--text-main);
}

.flow-step span {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.flow-arrow {
  font-size: 1.5rem;
  color: var(--accent-amber);
  font-weight: 700;
}

.doc-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  margin-top: 0.5rem;
}

.doc-table th,
.doc-table td {
  padding: 0.85rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-dim);
}

.doc-table th {
  background: var(--surface-toolbar);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.doc-table td {
  color: var(--text-secondary);
  line-height: 1.5;
}

.doc-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.doc-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  font-size: 0.85rem;
}

.doc-list li {
  color: var(--text-secondary);
  line-height: 1.5;
}

.mb-3 {
  margin-bottom: 0.85rem;
}

/* Meet The Builders */
.builders-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.builder-card {
  background: var(--surface-card);
  border: 1px solid var(--border-dim);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  text-align: center;
  position: relative;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.builder-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-light);
}

.builder-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--accent-gold);
  background: rgba(245, 158, 11, 0.1);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
}

.builder-avatar {
  font-size: 3.5rem;
  margin-bottom: 0.75rem;
}

.builder-card h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin-bottom: 0.2rem;
}

.builder-role {
  font-size: 0.88rem;
  color: var(--accent-amber);
  font-weight: 600;
  margin-bottom: 1rem;
}

.builder-quote {
  font-style: italic;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  line-height: 1.6;
}

.builder-tags {
  display: flex;
  gap: 0.4rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.builder-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  color: var(--text-muted);
}

/* Command Palette Modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(4, 6, 10, 0.75);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  z-index: 9999;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 14vh;
}

.command-palette-box {
  background: rgba(15, 20, 34, 0.95);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg), var(--shadow-accent);
  width: 100%;
  max-width: 580px;
  overflow: hidden;
  animation: modalScale 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.command-search-header {
  display: flex;
  align-items: center;
  padding: 0.95rem 1.35rem;
  border-bottom: 1px solid var(--border-dim);
  gap: 0.75rem;
}

.command-search-icon {
  font-size: 1.1rem;
}

#command-search-input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-main);
}

.kbd-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: rgba(255, 255, 255, 0.1);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  color: var(--text-muted);
}

.command-results-list {
  max-height: 320px;
  overflow-y: auto;
  padding: 0.5rem;
}

.cmd-result-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.15s ease;
}

.cmd-result-item:hover,
.cmd-result-item.selected {
  background: rgba(245, 158, 11, 0.12);
  color: var(--text-main);
}

.cmd-result-title {
  flex: 1;
  font-weight: 600;
  font-size: 0.9rem;
}

.cmd-result-cat {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  z-index: 99999;
  pointer-events: none;
}

.toast {
  background: rgba(15, 20, 34, 0.95);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-dim);
  border-left: 4px solid var(--accent-amber);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1.1rem;
  color: var(--text-main);
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  box-shadow: var(--shadow-md);
  pointer-events: auto;
  animation: slideIn 0.22s ease forwards;
}

.toast-success {
  border-left-color: var(--accent-emerald);
}

.toast-love {
  border-left-color: var(--accent-rose);
}

/* Floating Reaction */
.floating-reaction {
  position: fixed;
  pointer-events: none;
  z-index: 99999;
  font-size: 2rem;
  animation: floatUp 1.4s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

/* Animations */
@keyframes viewFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes modalScale {
  from { opacity: 0; transform: scale(0.96); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(25px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes floatUp {
  0% { opacity: 1; transform: translate(-50%, 0) scale(0.6); }
  100% { opacity: 0; transform: translate(-50%, -120px) scale(1.2); }
}

/* Responsive Rules */
@media (max-width: 960px) {
  .app-sidebar {
    width: 210px;
  }
  .split-editor-grid,
  .jwt-decoded-grid,
  .crypto-grid,
  .focus-grid,
  .builders-grid,
  .glass-lab-grid,
  .qr-studio-pro-grid,
  .doc-grid-2,
  .doc-grid-3 {
    grid-template-columns: 1fr;
  }
  .palette-display-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .doc-flow-diagram {
    flex-direction: column;
  }
  .flow-arrow {
    transform: rotate(90deg);
  }
}

@media (max-width: 720px) {
  .app-sidebar {
    display: none;
  }
  .command-trigger-btn {
    width: 170px;
  }
  .cmd-text {
    display: none;
  }
  .workspace-viewport {
    padding: 1.25rem 1rem;
  }
  .doc-card {
    padding: 1.5rem;
  }
}