/* =====================================================
   zDev Tools — Design System & Global Styles
   ===================================================== */

/* ─── CSS Custom Properties ─────────────────────────── */
:root {
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Cascadia Code', 'Consolas', monospace;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --transition-fast: 0.12s ease;
  --transition-med: 0.22s ease;

  --sidebar-width: 220px;
  --sidebar-collapsed-width: 60px;
  --topbar-height: 56px;
}

/* ─── Dark Theme ─────────────────────────────────────── */
.theme-dark {
  --bg-base:      #0d0d0f;
  --bg-surface:   #141416;
  --bg-elevated:  #1c1c20;
  --bg-hover:     #252529;
  --bg-active:    #2e2e34;

  --border:       #2a2a2f;
  --border-focus: #22c55e;

  --text-primary:   #f0f0f5;
  --text-secondary: #8b8b9a;
  --text-muted:     #6e6e7e;

  --accent:       #22c55e;
  --accent-hover: #4ade80;
  --accent-glow:  rgba(34,197,94,0.15);

  --success:      #10b981;
  --error:        #ef4444;
  --warning:      #f59e0b;
  --info:         #06b6d4;

  --sidebar-bg:   #101013;
  --topbar-bg:    rgba(13,13,15,0.85);

  --scrollbar-track: #141416;
  --scrollbar-thumb: #2a2a2f;
}

/* ─── Light Theme ─────────────────────────────────────── */
.theme-light {
  --bg-base:      #f4f4f8;
  --bg-surface:   #ffffff;
  --bg-elevated:  #f9f9fc;
  --bg-hover:     #f0f0f5;
  --bg-active:    #e8e8f0;

  --border:       #e2e2ea;
  --border-focus: #22c55e;

  --text-primary:   #111118;
  --text-secondary: #5a5a6e;
  --text-muted:     #9898aa;

  --accent:       #16a34a;
  --accent-hover: #15803d;
  --accent-glow:  rgba(34,197,94,0.10);

  --success:      #059669;
  --error:        #dc2626;
  --warning:      #d97706;
  --info:         #0891b2;

  --sidebar-bg:   #ecedf2;
  --topbar-bg:    rgba(244,244,248,0.85);

  --scrollbar-track: #f4f4f8;
  --scrollbar-thumb: #d0d0da;
}

/* ─── Reset & Base ───────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body, #app {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ─── Scrollbar ──────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ─── App Shell ──────────────────────────────────────── */
.app-shell {
  display: flex;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background: var(--bg-base);
  color: var(--text-primary);
}

/* ─── Sidebar ─────────────────────────────────────────── */
.sidebar {
  width: var(--sidebar-width);
  height: 100vh;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width var(--transition-med);
  overflow: hidden;
  z-index: 100;
}

.app-shell.sidebar-collapsed .sidebar {
  width: var(--sidebar-collapsed-width);
}

.app-shell.sidebar-collapsed .logo-text,
.app-shell.sidebar-collapsed .nav-label,
.app-shell.sidebar-collapsed .nav-section-label,
.app-shell.sidebar-collapsed .theme-toggle .theme-label {
  display: none;
}

.sidebar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 12px;
  height: var(--topbar-height);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.3px;
  text-decoration: none;
}
.logo:hover { text-decoration: none; }

.logo-icon {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  background: #000;
  flex-shrink: 0;
  object-fit: contain;
  display: block;
}

.sidebar-toggle {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: var(--radius-sm);
  font-size: 18px;
  line-height: 1;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.sidebar-toggle:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 12px 0;
}

.nav-section {
  margin-bottom: 4px;
}

.nav-section-label {
  display: block;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  padding: 8px 16px 4px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13.5px;
  font-weight: 500;
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  text-decoration: none;
}
.nav-item:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
  text-decoration: none;
}
.nav-item.active {
  color: var(--text-primary);
  background: var(--bg-active);
  box-shadow: inset 3px 0 0 var(--nav-accent, var(--accent));
}
.nav-item.active .nav-icon {
  color: var(--nav-accent, var(--accent));
}

.nav-icon {
  font-size: 15px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  font-family: var(--font-mono);
}

/* ─── Nav fav star (inside nav-item <a>) ─────────────── */
.nav-fav-star {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 3px;
  border-radius: 4px;
  opacity: 0;
  transition: opacity var(--transition-fast), color var(--transition-fast);
  margin-left: auto;
  flex-shrink: 0;
  line-height: 1;
}
.nav-item:hover .nav-fav-star { opacity: 1; }
.nav-fav-star.on { opacity: 1; color: #f59e0b; }
.nav-fav-star:hover { color: #f59e0b !important; }
.app-shell.sidebar-collapsed .nav-fav-star { display: none; }

/* ─── Pinned items with drag-and-drop ─────────────────── */
.pinned-item {
  display: flex;
  align-items: center;
  margin: 1px 8px;
  border-radius: var(--radius-sm);
  cursor: grab;
  transition: background var(--transition-fast), box-shadow var(--transition-fast);
}
.pinned-item:active { cursor: grabbing; }
.pinned-item.drag-over {
  box-shadow: 0 -2px 0 0 var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}
.pinned-item .nav-item {
  flex: 1;
  margin: 0;
  min-width: 0;
  border-radius: var(--radius-sm);
  cursor: pointer;
}
.pinned-reorder {
  display: flex;
  gap: 2px;
  flex-shrink: 0;
  opacity: 0;
  transition: opacity var(--transition-fast);
  padding-right: 4px;
}
.pinned-item:hover .pinned-reorder { opacity: 1; }
.pinned-reorder-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 11px;
  padding: 3px 4px;
  border-radius: 4px;
  line-height: 1;
  transition: color var(--transition-fast), background var(--transition-fast);
}
.pinned-reorder-btn:hover:not(:disabled) {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.pinned-reorder-btn:disabled { opacity: 0.25; cursor: default; }
.pinned-reorder-btn.unpin { color: #f59e0b; opacity: 0; transition: opacity var(--transition-fast); }
.pinned-item:hover .pinned-reorder-btn.unpin { opacity: 1; }
.app-shell.sidebar-collapsed .pinned-reorder { display: none; }
.app-shell.sidebar-collapsed .pinned-reorder-btn.unpin { display: none; }

.sidebar-footer {
  padding: 12px 8px;
  border-top: 1px solid var(--border);
  flex-shrink: 0;
}

.theme-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.theme-toggle:hover {
  color: var(--text-primary);
  border-color: var(--border-focus);
  background: var(--bg-hover);
}

/* Sidebar-specific overrides in light mode so nav items stay readable */
.theme-light .sidebar {
  --bg-hover:  #e0e1ea;
  --bg-active: #d5d6e2;
  --border:    #d0d1dc;
}

/* ─── Main Area ───────────────────────────────────────── */
.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

/* ─── Top Bar ─────────────────────────────────────────── */
.top-bar {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  background: var(--topbar-bg);
  backdrop-filter: blur(12px);
  flex-shrink: 0;
  z-index: 50;
}

.top-bar-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-breadcrumb {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
}

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

/* ─── Search / Command-palette trigger button ───────── */
.search-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: all var(--transition-fast);
  min-width: 190px;
}
.search-btn:hover {
  border-color: var(--border-focus);
  color: var(--text-primary);
  background: var(--bg-hover);
}
.search-btn-icon { font-size: 14px; flex-shrink: 0; opacity: 0.7; }
.search-btn-text { flex: 1; text-align: left; font-size: 13px; }
.search-btn-kbd {
  background: var(--bg-active);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.02em;
  flex-shrink: 0;
}

/* Legacy alias kept for safety */
.cmd-palette-btn { display: none; }
.kbd-hint { font-family: var(--font-mono); font-size: 11px; }

/* ─── Page Content ────────────────────────────────────── */
.page-content {
  flex: 1;
  overflow-y: auto;
  padding: 0;
}

/* ─── Dashboard ───────────────────────────────────────── */
.dashboard {
  padding: 32px 40px;
  max-width: 1100px;
}

.dashboard-hero {
  margin-bottom: 40px;
}

.hero-title {
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.hero-title .accent {
  color: var(--accent);
}

.hero-subtitle {
  color: var(--text-secondary);
  font-size: 15px;
  max-width: 540px;
}

.section {
  margin-bottom: 48px;
}

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.section-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.2px;
  margin-bottom: 16px;
}

.section-header .section-title {
  margin-bottom: 0;
}

/* ─── Tools Grid ──────────────────────────────────────── */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

.tool-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--accent, #22c55e);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.tool-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  border-color: var(--accent, #22c55e);
}

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

.card-hover:hover { cursor: pointer; }

.tool-card-icon {
  font-size: 22px;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-glow);
  border-radius: var(--radius-sm);
  color: var(--accent);
  font-family: var(--font-mono);
  font-weight: 700;
  flex-shrink: 0;
}

.tool-card-body {
  flex: 1;
  min-width: 0;
}

.tool-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 4px;
}

.tool-card-desc {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.4;
}

.tool-card-arrow {
  color: var(--text-muted);
  font-size: 16px;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.tool-card:hover .tool-card-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

/* ─── Activity List ───────────────────────────────────── */
.activity-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.activity-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.activity-item:hover {
  background: var(--bg-hover);
  border-color: var(--border-focus);
}

.activity-icon {
  font-size: 16px;
  width: 28px;
  text-align: center;
  color: var(--accent);
  flex-shrink: 0;
}

.activity-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}

.activity-tool {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
}

.activity-desc {
  font-size: 12px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.activity-time {
  font-size: 11px;
  color: var(--text-muted);
  flex-shrink: 0;
}

/* ─── Empty State ─────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 48px 24px;
  color: var(--text-muted);
  text-align: center;
}

.empty-state.small {
  padding: 24px;
}

.empty-icon {
  font-size: 32px;
  opacity: 0.5;
  display: block;
}

.empty-state p {
  font-size: 13px;
  color: var(--text-secondary);
  max-width: 300px;
}

/* ─── Tool Page ───────────────────────────────────────── */
.tool-page {
  padding: 28px 32px;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.tool-header {
  flex-shrink: 0;
}

.tool-header h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.4px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
}

.tool-badge {
  font-size: 13px;
  font-family: var(--font-mono);
  background: var(--accent-glow);
  color: var(--accent);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  border: 1px solid rgba(34,197,94,0.2);
}

.tool-header p {
  font-size: 13px;
  color: var(--text-secondary);
}

.tool-body {
  flex: 1;
  display: flex;
  gap: 16px;
  overflow: hidden;
  min-height: 0;
  min-width: 0;
}

.tool-body.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ─── Panel ───────────────────────────────────────────── */
.panel {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-height: 0;
  min-width: 0;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  flex-shrink: 0;
}

.panel-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ─── Code Area ───────────────────────────────────────── */
.code-area {
  flex: 1;
  width: 100%;
  max-width: 100%;
  background: transparent;
  border: none;
  padding: 14px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  resize: none;
  outline: none;
  min-height: 0;
  box-sizing: border-box;
}

.code-area::placeholder { color: var(--text-muted); }

pre.code-area {
  overflow-y: auto;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-word;
  min-height: 120px;
  max-height: 500px;
}

/* In constrained two-col / tool-body panels, let the pre fill the panel */
.tool-body .panel pre.code-area {
  min-height: 0;
  max-height: none;
}

.code-area.output-area {
  color: var(--text-secondary);
}

/* ─── Buttons ─────────────────────────────────────────── */
.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition-fast), transform var(--transition-fast);
}
.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 6px 12px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-ghost:hover {
  border-color: var(--border-focus);
  color: var(--text-primary);
  background: var(--bg-hover);
}

.btn-danger {
  background: transparent;
  border: 1px solid var(--error);
  border-radius: var(--radius-sm);
  color: var(--error);
  padding: 7px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-danger:hover {
  background: var(--error);
  color: white;
}

.copy-btn {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  padding: 5px 10px;
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.copy-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.copy-btn.copied {
  border-color: var(--success);
  color: var(--success);
  background: rgba(16,185,129,0.08);
}

/* ─── Badges ──────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  white-space: nowrap;
}
.badge-default  { background: var(--bg-elevated); color: var(--text-secondary); border: 1px solid var(--border); }
.badge-success  { background: rgba(16,185,129,0.15); color: var(--success); }
.badge-error    { background: rgba(239,68,68,0.15);  color: var(--error); }
.badge-warning  { background: rgba(245,158,11,0.15); color: var(--warning); }
.badge-info     { background: rgba(6,182,212,0.15);  color: var(--info); }

/* ─── Error Message (inline tool errors) ─────────────── */
.error-msg {
  font-size: 13px;
  color: var(--error);
  padding: 8px 12px;
  background: rgba(239,68,68,0.08);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--error);
  flex-shrink: 0;
}

/* ─── Error Banner ────────────────────────────────────── */
.error-banner {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 14px;
  background: rgba(239,68,68,0.08);
  border-bottom: 1px solid rgba(239,68,68,0.2);
  color: var(--error);
  font-size: 12px;
  font-family: var(--font-mono);
  line-height: 1.5;
  flex-shrink: 0;
}

.error-icon { flex-shrink: 0; }

/* ─── Inputs ──────────────────────────────────────────── */
.text-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 7px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition-fast);
  width: 100%;
}
.text-input:focus { border-color: var(--border-focus); }
.text-input.small { font-size: 12px; padding: 5px 10px; }

.search-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition-fast);
  flex: 1;
  min-width: 0;
}
.search-input:focus { border-color: var(--border-focus); }
.search-input::placeholder { color: var(--text-muted); }

.number-input {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 7px 12px;
  font-size: 13px;
  font-family: var(--font-mono);
  outline: none;
  width: 80px;
  transition: border-color var(--transition-fast);
}
.number-input:focus { border-color: var(--border-focus); }

/* ─── Mode Toggle ─────────────────────────────────────── */
.mode-toggle {
  display: flex;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 3px;
  width: fit-content;
}

.mode-btn {
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  padding: 6px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.mode-btn.active {
  background: var(--accent);
  color: white;
  font-weight: 600;
}

/* ─── UUID Tool ───────────────────────────────────────── */
.uuid-controls {
  flex-shrink: 0;
}

.control-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.control-row label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
}

.uuid-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.uuid-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  gap: 12px;
  transition: border-color var(--transition-fast);
}
.uuid-item:hover { border-color: var(--border-focus); }

.uuid-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ─── Regex Tool ──────────────────────────────────────── */
.regex-controls {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.regex-input-row {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}
.regex-input-row:focus-within { border-color: var(--border-focus); }

.regex-delimiter {
  padding: 10px 12px;
  font-family: var(--font-mono);
  color: var(--accent);
  font-size: 18px;
  font-weight: 700;
  background: var(--bg-elevated);
  border-right: 1px solid var(--border);
  flex-shrink: 0;
}
.regex-delimiter:last-of-type {
  border-right: none;
  border-left: 1px solid var(--border);
}

.regex-pattern-input {
  flex: 1;
  background: none;
  border: none;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-primary);
  outline: none;
}
.regex-pattern-input::placeholder { color: var(--text-muted); font-style: italic; }

.regex-flags-input {
  width: 70px;
  background: var(--bg-elevated);
  border: none;
  padding: 10px 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent);
  outline: none;
}

.regex-stats { display: flex; gap: 6px; }

.match-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
}

.match-item {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
}

.match-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 4px;
}

.match-label { font-size: 11px; font-weight: 700; color: var(--accent); }
.match-position { font-size: 10px; color: var(--text-muted); font-family: var(--font-mono); }

.match-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  padding: 4px 8px;
  background: rgba(34,197,94,0.08);
  border-radius: 4px;
  border: 1px solid rgba(34,197,94,0.2);
  margin-bottom: 6px;
}

.match-groups { display: flex; flex-direction: column; gap: 3px; }
.match-group { display: flex; gap: 8px; font-size: 11px; }
.group-name { color: var(--warning); font-family: var(--font-mono); }
.group-value { color: var(--text-secondary); font-family: var(--font-mono); }

/* ─── Timestamp Tool ──────────────────────────────────── */
.ts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  flex: 1;
  overflow: auto;
  min-height: 0;
}

.ts-field {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ts-field label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

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

.input-row .text-input { flex: 1; }

.ts-results {
  padding: 0 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ts-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
}

.ts-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  width: 72px;
  flex-shrink: 0;
}

.ts-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Snippet Vault ───────────────────────────────────── */
.snippets-page {
  padding: 0;
}

.snippets-page .tool-header {
  padding: 28px 32px 0;
}

.snippets-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 280px 1fr;
  overflow: hidden;
  border-top: 1px solid var(--border);
}

.snippets-list-panel {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-surface);
}

.snippets-toolbar {
  display: flex;
  gap: 8px;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tag-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.tag-chip {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 2px 10px;
  font-size: 11px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.tag-chip:hover { border-color: var(--accent); color: var(--accent); }
.tag-chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.snippet-items {
  flex: 1;
  overflow-y: auto;
  padding: 8px;
}

.snippet-list-item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
  margin-bottom: 2px;
}
.snippet-list-item:hover { background: var(--bg-hover); }
.snippet-list-item.selected { background: var(--bg-active); }

.snippet-item-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 3px;
}

.snippet-item-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.snippet-item-lang {
  font-size: 10px;
  font-family: var(--font-mono);
  color: var(--accent);
  background: var(--accent-glow);
  padding: 1px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

.snippet-item-desc {
  font-size: 11px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 5px;
}

.snippet-item-tags { display: flex; gap: 3px; flex-wrap: wrap; }
.tag-pill {
  background: var(--bg-hover);
  border-radius: 3px;
  padding: 1px 6px;
  font-size: 10px;
  color: var(--text-muted);
}

.snippet-detail-panel {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg-base);
}

.snippet-editor {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: 16px;
  gap: 10px;
}

.snippet-editor-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.title-input {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 15px;
  font-weight: 600;
  outline: none;
  transition: border-color var(--transition-fast);
}
.title-input:focus { border-color: var(--border-focus); }

.editor-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

.meta-row {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.snippet-content {
  flex: 1;
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  min-height: 0;
}

.save-feedback {
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  text-align: right;
  flex-shrink: 0;
  animation: fadeOut 2s forwards;
}

@keyframes fadeOut {
  0%   { opacity: 1; }
  70%  { opacity: 1; }
  100% { opacity: 0; }
}

/* ─── Command Palette ─────────────────────────────────── */
.command-palette-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 1000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 120px;
  backdrop-filter: blur(4px);
  animation: fadeIn var(--transition-fast);
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.command-palette {
  width: 520px;
  max-width: calc(100vw - 32px);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
  overflow: hidden;
  animation: slideDown var(--transition-fast);
}

@keyframes slideDown {
  from { transform: translateY(-12px); opacity: 0; }
  to   { transform: translateY(0); opacity: 1; }
}

.cp-search {
  display: flex;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  gap: 10px;
}

.cp-search-icon {
  color: var(--text-muted);
  font-size: 18px;
  flex-shrink: 0;
}

.cp-input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 15px;
  outline: none;
}
.cp-input::placeholder { color: var(--text-muted); }

.cp-esc {
  font-size: 11px;
  background: var(--bg-active);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 6px;
  color: var(--text-muted);
  cursor: pointer;
  flex-shrink: 0;
}
.cp-esc:hover { color: var(--text-primary); }

.cp-results {
  max-height: 360px;
  overflow-y: auto;
  padding: 6px;
}

.cp-result-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.cp-result-item:hover { background: var(--bg-hover); }

.cp-result-text { display: flex; flex-direction: column; gap: 1px; }
.cp-result-name { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.cp-result-desc { font-size: 12px; color: var(--text-secondary); }

.cp-empty {
  text-align: center;
  padding: 24px;
  color: var(--text-muted);
  font-size: 13px;
}

/* ─── Responsive ──────────────────────────────────────── */
@media (max-width: 768px) {
  .mobile-menu-btn { display: block; }

  /* Sidebar slides over content on mobile */
  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 200;
    transform: translateX(-100%);
    transition: transform var(--transition-med);
  }
  .app-shell:not(.sidebar-collapsed) .sidebar {
    transform: translateX(0);
    box-shadow: 4px 0 32px rgba(0,0,0,0.5);
  }

  /* Main layout */
  .main-area { width: 100%; }

  /* Top bar */
  .top-bar { padding: 0 12px; }
  .search-btn { min-width: unset; padding: 6px 10px; }
  .search-btn-text { display: none; }
  .search-btn-kbd { display: none; }

  /* Dashboard */
  .dashboard { padding: 16px 12px; }
  .hero-title { font-size: 22px; }
  .tools-grid { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }

  /* Tool pages */
  .tool-page { padding: 14px 12px; gap: 14px; }
  .tool-header h1 { font-size: 19px; }

  /* Two-column tool bodies collapse to single column */
  .tool-body.two-col {
    grid-template-columns: 1fr;
    overflow: visible;
    height: auto;
    flex: unset;
  }
  /* Generic flex tool-body: stack vertically */
  .tool-body {
    flex-direction: column;
    overflow: visible;
    height: auto;
    flex: unset;
  }
  /* Panels in stacked layout get a min-height so they're usable */
  .tool-body .panel { min-height: 160px; }

  /* Grids */
  .ts-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  /* Snippets */
  .snippets-layout { grid-template-columns: 1fr; }
  .snippets-list-panel { max-height: 260px; }

  /* Env table row — key/value stack */
  .env-row {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }
  .env-key  { grid-column: 1; grid-row: 1; }
  .env-value { grid-column: 1; grid-row: 2; font-size: 11px; }
  .env-actions { grid-column: 2; grid-row: 1 / 3; align-self: center; }

  /* Chmod grid — compress */
  .chmod-grid { font-size: 12px; }
  .chmod-label { padding: 8px 8px; font-size: 12px; }
  .chmod-header { padding: 6px 6px; font-size: 10px; }
  .chmod-cell { padding: 6px 6px; }

  /* Gradient stops */
  .gradient-stop-row { flex-wrap: wrap; }

  /* Inline options wrap tightly */
  .inline-options { gap: 0.4rem; }

  /* Mode buttons wrap */
  .mode-row { gap: 6px; }
  .mode-btn { padding: 6px 13px; font-size: 12px; }

  /* HTTP codes row wraps desc */
  .http-code-row { flex-wrap: wrap; }

  /* OTP display */
  .otp-code { font-size: 2.4rem; letter-spacing: 0.2em; }

  /* Regex flags input narrower */
  .regex-flags-input { width: 50px; }

  /* Diff inputs stack */
  .diff-inputs { flex-direction: column; }
  .diff-inputs .panel { min-width: 0; }

  /* Panel headers with many action buttons can wrap */
  .panel-header { flex-wrap: wrap; gap: 6px; }

  /* Tool header h1: badge wraps on narrow screen */
  .tool-header h1 { flex-wrap: wrap; }

  /* Snippet editor: toolbar and actions wrap */
  .snippet-editor-toolbar { flex-wrap: wrap; }
  .editor-actions { flex-wrap: wrap; justify-content: flex-end; }
  .meta-row { flex-wrap: wrap; }

  /* Hash row: top-align when hash value wraps to multiple lines */
  .hash-row { align-items: flex-start; }
}

/* Extra small — phones in portrait */
@media (max-width: 480px) {
  .tool-page { padding: 10px; gap: 10px; }
  .top-bar { padding: 0 10px; }
  .top-bar-left .page-breadcrumb { font-size: 13px; }
  .tool-header h1 { font-size: 17px; }
  .tool-header p { font-size: 12px; }
  .dashboard { padding: 12px 10px; }
  .tools-grid { grid-template-columns: 1fr; }
  .info-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .mode-btn { padding: 5px 10px; font-size: 12px; }
  .panel-header { padding: 8px 10px; font-size: 11px; }
  .code-area { font-size: 12px; padding: 10px; }
  .otp-code { font-size: 1.9rem; }
  .hash-value { font-size: 11px; }
  .chmod-grid { font-size: 11px; }
  .chmod-label { font-size: 11px; min-width: 0; padding: 6px 4px; }
  .copy-btn { font-size: 11px; padding: 4px 7px; }
  .btn-ghost, .btn-primary { font-size: 12px; padding: 5px 10px; }

  /* Touch-friendly minimum tap sizes */
  .btn-primary, .btn-ghost, .btn-danger { min-height: 36px; }
  .mode-btn { min-height: 34px; }

  /* Meta row stacks vertically */
  .meta-row { flex-direction: column; }

  /* Snippet editor stacks title above actions */
  .snippet-editor-toolbar { flex-direction: column; align-items: stretch; }
  .title-input { width: 100%; }
  .editor-actions { justify-content: flex-end; }

  /* Color + text input in color picker can wrap */
  .color-input-row { flex-wrap: wrap; }

  /* Long code/hash values wrap instead of clipping */
  .case-value { white-space: normal; word-break: break-all; }
}

/* =====================================================
   JWT INSPECTOR
   ===================================================== */
.jwt-input { min-height: 90px; max-height: 150px; }

.jwt-input-panel { flex-shrink: 0; }

.jwt-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  flex-shrink: 0;
  padding: 2px 0;
}

.jwt-note {
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--warning);
  flex-shrink: 0;
}

/* =====================================================
   HASH GENERATOR
   ===================================================== */
.hash-results {
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.hash-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: border-color 0.15s;
}
.hash-row:hover { border-color: var(--border); }

.hash-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  width: 64px;
  flex-shrink: 0;
  letter-spacing: 0.05em;
}

.hash-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow-wrap: break-word;
  word-break: break-all;
  white-space: pre-wrap;
}
pre.code-area.hash-value {
  white-space: pre-wrap;
  word-break: break-all;
  text-overflow: unset;
  overflow-y: auto;
}

/* =====================================================
   URL CODER
   ===================================================== */
.query-params {
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.param-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
}

.param-key {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--warning);
  font-weight: 600;
  min-width: 80px;
  flex-shrink: 0;
}
.param-sep {
  color: var(--text-muted);
  flex-shrink: 0;
}
.param-value {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}

/* =====================================================
   PASSWORD GENERATOR
   ===================================================== */
.password-options {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.option-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.option-label {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 500;
  width: 56px;
  flex-shrink: 0;
}

.option-checkboxes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 16px;
}

.checkbox-opt {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  user-select: none;
}
.checkbox-opt input[type="checkbox"] {
  accent-color: var(--accent);
  cursor: pointer;
  width: 14px;
  height: 14px;
}

.length-slider {
  flex: 1;
  accent-color: var(--accent);
  cursor: pointer;
}

.length-value {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  min-width: 30px;
  text-align: right;
}

.short-input {
  width: 72px;
}

.warning-inline {
  font-size: 12px;
  color: var(--warning);
}

.password-list {
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 5px;
  max-height: 440px;
  overflow-y: auto;
}

.password-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  transition: border-color 0.15s;
}
.password-item:hover { border-color: var(--border); }

.password-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  letter-spacing: 0.04em;
  word-break: break-all;
}

.password-item-right {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.strength-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.strength-strong { background: rgba(16,185,129,0.15); color: var(--success); }
.strength-good   { background: rgba(6,182,212,0.15);  color: var(--info);    }
.strength-fair   { background: rgba(245,158,11,0.15); color: var(--warning); }
.strength-weak   { background: rgba(239,68,68,0.15);  color: var(--error);   }

/* =====================================================
   QoL: PAGE FADE-IN TRANSITION
   ===================================================== */
.page-content > * {
  animation: fadeIn 0.18s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* QoL: better focus rings */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* QoL: number input reset */
.number-input:focus { border-color: var(--accent); }


/* =====================================================
   FAVORITES � tool card star
   ===================================================== */
.tool-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 8px;
}
.fav-star {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--text-muted);
  padding: 2px 4px;
  border-radius: 4px;
  transition: color var(--transition-fast), transform var(--transition-fast);
  line-height: 1;
}
.fav-star:hover { color: #f59e0b; transform: scale(1.2); }
.fav-star-on  { color: #f59e0b; }
.tool-card-title-row { display: flex; align-items: center; gap: 6px; }
.new-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.06em;
  background: var(--success);
  color: #fff;
  padding: 1px 6px;
  border-radius: 20px;
  text-transform: uppercase;
}
.card-new { border-color: var(--success) !important; }

/* =====================================================
   DASHBOARD � favorites & category-filter sections
   ===================================================== */
.fav-section { margin-bottom: 32px; }
.fav-section .section-title { color: #f59e0b; }
.fav-order-btns { display: flex; gap: 4px; }
.fav-order-btn {
  background: none;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  padding: 2px 7px;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.fav-order-btn:hover { background: var(--bg-hover); }

/* category filter bar — legacy names kept for compat */
.cat-filter-bar, .category-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 20px;
}
.cat-btn, .cat-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}
.cat-btn:hover, .cat-pill:hover  { background: var(--bg-hover); color: var(--text-primary); }
.cat-btn.active, .cat-pill.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.cat-count {
  display: inline-block;
  min-width: 18px;
  padding: 0 5px;
  border-radius: 10px;
  text-align: center;
  font-size: 10px;
  font-weight: 600;
  background: var(--bg-active);
  color: var(--text-muted);
}
.cat-pill.active .cat-count {
  background: rgba(255,255,255,0.25);
  color: #fff;
}

/* =====================================================
   COMMAND PALETTE � upgraded
   ===================================================== */
.cp-result-cat {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-left: 8px;
  flex-shrink: 0;
}
.cp-result-icon { font-size: 18px; min-width: 28px; text-align: center; }
.cp-selected { background: var(--bg-hover); }
.cp-footer {
  display: flex;
  gap: 16px;
  padding: 8px 16px;
  border-top: 1px solid var(--border);
  font-size: 11px;
  color: var(--text-muted);
}

/* =====================================================
   CASE CONVERTER
   ===================================================== */
.case-results { display: flex; flex-direction: column; gap: 2px; padding: 6px 12px 12px; }
.case-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.case-row:hover { background: var(--bg-hover); }
.case-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--accent);
  width: 100px;
  flex-shrink: 0;
}
.case-value {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}

/* =====================================================
   COLOR CONVERTER
   ===================================================== */
.color-input-row { display: flex; align-items: center; gap: 10px; padding: 12px 14px; }
.color-swatch-picker {
  width: 48px;
  height: 38px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 2px;
  background: transparent;
  flex-shrink: 0;
}
.color-preview-bar {
  height: 56px;
  border-radius: var(--radius-md);
  margin: 8px 14px 14px;
  border: 1px solid var(--border);
  transition: background 0.2s;
}

/* =====================================================
   NUMBER BASE CONVERTER
   ===================================================== */
.base-input-row { display: flex; gap: 10px; padding: 12px 14px; flex-wrap: wrap; }
.tool-select {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 12px;
  font-size: 13px;
  cursor: pointer;
  flex-shrink: 0;
}
.tool-select:focus { outline: none; border-color: var(--accent); }

/* =====================================================
   LOREM IPSUM GENERATOR
   ===================================================== */
.tool-options-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding: 12px 14px;
  align-items: flex-start;
}
.tool-option-group { display: flex; flex-direction: column; gap: 5px; }
.tool-option-group label { font-size: 12px; color: var(--text-secondary); font-weight: 500; }
.tool-input-num {
  width: 80px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 8px 10px;
  font-size: 13px;
}
.tool-input-num:focus { outline: none; border-color: var(--accent); }
.lorem-output {
  padding: 14px 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-primary);
  white-space: pre-wrap;
  max-height: 420px;
  overflow-y: auto;
}

/* =====================================================
   HTML ENTITY ENCODER
   ===================================================== */
.tool-toggle-bar {
  display: flex;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
  margin-bottom: 16px;
}
.toggle-btn {
  padding: 8px 20px;
  background: none;
  border: none;
  border-right: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 13px;
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.toggle-btn:last-child { border-right: none; }
.toggle-btn.active { background: var(--accent); color: #fff; }
.toggle-btn:hover:not(.active) { background: var(--bg-hover); color: var(--text-primary); }

/* =====================================================
   TEXT STATISTICS
   ===================================================== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 10px;
  margin-bottom: 16px;
}
.stat-card {
  background: var(--bg-surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}
.stat-label {
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
  text-align: center;
}
.freq-list { display: flex; flex-direction: column; gap: 4px; padding: 10px 14px 14px; max-height: 400px; overflow-y: auto; }
.freq-row { display: flex; align-items: center; gap: 8px; }
.freq-word {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-primary);
  width: 100px;
  flex-shrink: 0;
}
.freq-bar-wrap { flex: 1; background: var(--bg-elevated); border-radius: 4px; height: 8px; overflow: hidden; }
.freq-bar { height: 100%; background: var(--accent); border-radius: 4px; transition: width 0.3s; }
.freq-count {
  font-size: 11px;
  color: var(--text-muted);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}

/* =====================================================
   DIFF VIEWER
   ===================================================== */
.diff-inputs { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.diff-inputs .panel { min-width: 280px; }
.diff-stats {
  display: flex;
  gap: 16px;
  margin-bottom: 10px;
  font-size: 13px;
  font-weight: 600;
}
.diff-stat.added   { color: var(--success); }
.diff-stat.removed { color: var(--error); }
.diff-stat.equal   { color: var(--text-muted); }
.diff-view {
  font-family: var(--font-mono);
  font-size: 12px;
  overflow-x: auto;
  overflow-y: auto;
  max-height: 500px;
  padding: 8px 14px;
}
.diff-line { display: flex; gap: 8px; padding: 1px 4px; border-radius: 2px; }
.diff-line.added   { background: rgba(16,185,129,0.12); color: var(--success); }
.diff-line.removed { background: rgba(239,68,68,0.12);  color: var(--error); }
.diff-line.equal   { color: var(--text-secondary); }
.diff-prefix { width: 10px; flex-shrink: 0; }
.diff-text { white-space: pre-wrap; word-break: break-all; }

/* char counter helper */
.char-counter { font-size: 11px; color: var(--text-muted); }

/* code-input shared */
.code-input {
  flex: 1;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 9px 12px;
  font-size: 13px;
  min-width: 0;
}
.code-input:focus { outline: none; border-color: var(--accent); }

/* ═══════════════════════════════════════════════════════════
   NEW TOOL STYLES (Phase 4 – 20 new tools)
═══════════════════════════════════════════════════════════ */
.tool-desc { color: var(--text-secondary); font-size: 14px; margin: 0; }
.mode-row { display: flex; gap: 0.5rem; margin-bottom: 1rem; flex-wrap: wrap; }
.mode-row .mode-btn { background: var(--bg-elevated); border: 1px solid var(--border); color: var(--text-secondary); padding: 6px 16px; border-radius: var(--radius-sm); font-size: 13px; cursor: pointer; transition: var(--transition-fast); }
.mode-row .mode-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.mode-row .mode-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.inline-options { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; color: var(--text-primary); }
.input-sm { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); padding: 5px 10px; font-size: 13px; }
.search-input::placeholder { color: var(--text-muted); }
.input-sm:focus { outline: none; border-color: var(--accent); }
.btn-sm { padding: 4px 12px; font-size: 12px; }
.btn-group { display: flex; gap: 0.5rem; align-items: center; }
.info-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 0.6rem; }
.info-grid .stat-card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 14px; display: flex; flex-direction: column; gap: 4px; }
.info-grid .stat-label { font-size: 11px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; color: var(--text-muted); }
.info-grid .stat-value { font-size: 14px; font-weight: 600; color: var(--text-primary); font-family: var(--font-mono); word-break: break-all; }
.tool-actions-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 0.5rem; }
.list-outputs { display: flex; flex-direction: column; gap: 0.75rem; }
.palette-section { margin-bottom: 1.25rem; }
.palette-title { font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 0.5rem; }
.palette-grid { display: flex; gap: 6px; flex-wrap: wrap; }
.swatch { display: flex; flex-direction: column; align-items: center; gap: 4px; cursor: pointer; }
.swatch-wide { flex: 1; min-width: 60px; }
.swatch-color { width: 44px; height: 44px; border-radius: var(--radius-sm); border: 1px solid rgba(255,255,255,0.1); transition: transform 0.1s; }
.swatch-wide .swatch-color { width: 100%; }
.swatch:hover .swatch-color { transform: scale(1.08); }
.swatch-hex { font-size: 11px; font-family: var(--font-mono); color: inherit; opacity: 0.85; }
.swatch-label { font-size: 11px; color: inherit; opacity: 0.75; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 80px; text-align: center; }
.gradient-preview { width: 100%; height: 80px; border-radius: var(--radius-sm); border: 1px solid var(--border); transition: background 0.3s; }
.gradient-stop-row { display: flex; gap: 0.75rem; align-items: center; padding: 8px 14px; border-bottom: 1px solid var(--border); }
.gradient-stop-row:last-of-type { border-bottom: none; }
.gradient-stop-row input[type=range] { flex: 1; min-width: 80px; }
.otp-display { text-align: center; padding: 2rem 1rem; }
.otp-code { font-size: 3rem; font-family: var(--font-mono); font-weight: 700; letter-spacing: 0.3em; color: var(--accent); }
.otp-timer { font-size: 13px; color: var(--text-muted); margin-top: 0.5rem; }
.otp-progress { height: 4px; background: var(--bg-elevated); border-radius: 2px; overflow: hidden; margin-top: 0.75rem; }
.otp-bar { height: 100%; background: var(--accent); transition: width 1s linear; }
.md-layout { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 1rem; overflow: hidden; }
.md-layout.split { flex-direction: row; }
.md-layout.split .md-editor-panel, .md-layout.split .md-preview-panel { flex: 1; min-width: 0; }
.md-editor-panel, .md-preview-panel { flex: 1; min-height: 0; display: flex; flex-direction: column; gap: 0.5rem; overflow: hidden; }
.md-textarea { flex: 1; min-height: 200px; resize: none; overflow-y: auto; }
.markdown-preview { flex: 1; min-height: 200px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1.25rem 1.5rem; overflow-y: auto; line-height: 1.7; color: var(--text-primary); }
.markdown-preview h1, .markdown-preview h2, .markdown-preview h3, .markdown-preview h4 { margin: 1.25em 0 0.5em; font-weight: 700; }
.markdown-preview h1 { font-size: 1.6rem; border-bottom: 1px solid var(--border); padding-bottom: 0.3em; }
.markdown-preview h2 { font-size: 1.3rem; border-bottom: 1px solid var(--border); padding-bottom: 0.2em; }
.markdown-preview p { margin: 0 0 1em; }
.markdown-preview code { background: var(--bg-active); padding: 1px 6px; border-radius: 4px; font-family: var(--font-mono); font-size: 0.9em; }
.markdown-preview pre { background: var(--bg-active); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 1em; overflow: auto; margin: 0 0 1em; }
.markdown-preview pre code { background: none; padding: 0; }
.markdown-preview blockquote { border-left: 3px solid var(--accent); padding-left: 1rem; color: var(--text-secondary); margin: 0 0 1em; }
.markdown-preview ul, .markdown-preview ol { padding-left: 1.5rem; margin: 0 0 1em; }
.markdown-preview table { width: 100%; border-collapse: collapse; margin: 0 0 1em; }
.markdown-preview th, .markdown-preview td { border: 1px solid var(--border); padding: 6px 12px; text-align: left; }
.markdown-preview th { background: var(--bg-elevated); font-weight: 600; }
.markdown-preview a { color: var(--accent); }
.env-table { display: flex; flex-direction: column; border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; max-height: 320px; overflow-y: auto; }
.env-row { display: grid; grid-template-columns: 200px 1fr auto; align-items: center; border-bottom: 1px solid var(--border); padding: 6px 12px; gap: 1rem; }
.env-row:last-child { border-bottom: none; }
.env-row:hover { background: var(--bg-hover); }
.env-key { font-family: var(--font-mono); font-size: 13px; font-weight: 600; color: var(--text-primary); }
.env-value { font-family: var(--font-mono); font-size: 13px; color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.env-actions { display: flex; gap: 6px; }
.env-dupe { border-left: 3px solid #ef4444; }
.chmod-grid { display: grid; grid-template-columns: 100px repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.chmod-header { background: var(--bg-elevated); padding: 8px 12px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); text-align: center; }
.chmod-label { background: var(--bg-surface); padding: 10px 12px; font-size: 13px; font-weight: 600; color: var(--text-primary); display: flex; align-items: center; }
.chmod-cell { background: var(--bg-surface); padding: 8px 12px; display: flex; align-items: center; justify-content: center; cursor: pointer; }
.chmod-cell:hover { background: var(--bg-hover); }
.chmod-cell input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); cursor: pointer; }
.http-search-bar { display: flex; align-items: center; gap: 10px; background: var(--bg-elevated); border: 2px solid var(--accent); border-radius: var(--radius-md); padding: 12px 16px; flex-shrink: 0; }
.http-search-icon { font-size: 18px; flex-shrink: 0; opacity: 0.7; }
.http-search-input { flex: 1; background: transparent; border: none; outline: none; color: var(--text-primary); font-size: 16px; font-family: var(--font-sans); min-width: 0; }
.http-search-input::placeholder { color: var(--text-muted); }
.http-search-count { font-size: 12px; color: var(--accent); font-weight: 600; flex-shrink: 0; white-space: nowrap; }
.http-group { margin-bottom: 1.5rem; }
.http-group-title { font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); padding: 0.5rem 0; border-bottom: 1px solid var(--border); margin-bottom: 0.5rem; }
.http-code-row { display: flex; gap: 1rem; align-items: flex-start; padding: 8px 0; border-bottom: 1px solid var(--border); }
.http-code-row:last-child { border-bottom: none; }
.http-badge { display: inline-block; min-width: 52px; text-align: center; font-family: var(--font-mono); font-size: 13px; font-weight: 700; padding: 3px 8px; border-radius: var(--radius-sm); flex-shrink: 0; }
.http-1xx { background: #334155; color: #cbd5e1; }
.http-2xx { background: #14532d; color: #4ade80; }
.http-3xx { background: #1e3a5f; color: #60a5fa; }
.http-4xx { background: #450a0a; color: #f87171; }
.http-5xx { background: #431407; color: #fb923c; }
.http-info { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.http-info strong { font-size: 14px; color: var(--text-primary); }
.http-info span { font-size: 13px; color: var(--text-secondary); }

/* ── SQL Formatter ────────────────────────────────────────── */
.sql-output { color: var(--text-primary); }

/* ── ASCII Table ──────────────────────────────────────────── */
.ascii-table { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.ascii-header { display: grid; grid-template-columns: 48px 48px 48px 80px 60px 1fr; gap: 0; background: var(--bg-elevated); border-bottom: 1px solid var(--border); }
.ascii-header span { padding: 8px 10px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-muted); }
.ascii-row { display: grid; grid-template-columns: 48px 48px 48px 80px 60px 1fr; gap: 0; border-bottom: 1px solid var(--border); cursor: pointer; transition: var(--transition-fast); }
.ascii-row:last-child { border-bottom: none; }
.ascii-row:hover { background: var(--bg-hover); }
.ascii-row span { padding: 6px 10px; font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; }
.mono { font-family: var(--font-mono); }
.ascii-row .mono { font-family: var(--font-mono); color: var(--text-primary); }
.ascii-char { font-family: var(--font-mono); font-size: 16px !important; color: var(--accent) !important; font-weight: 700; }
.ascii-desc { color: var(--text-muted) !important; font-size: 12px !important; }