/* ══════════════════════════════════════════
   ToolPlaza – Design System
   ══════════════════════════════════════════ */

:root {
  --bg: #f8fafc;
  --bg-card: #ffffff;
  --bg-input: #f1f5f9;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --primary: #4F46E5;
  --primary-hover: #4338CA;
  --primary-light: #EEF2FF;
  --accent: #10B981;
  --accent-light: #D1FAE5;
  --danger: #EF4444;
  --warning: #F59E0B;
  --radius: 10px;
  --radius-sm: 6px;
  --radius-lg: 16px;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08);
  --shadow-lg: 0 12px 32px rgba(0,0,0,.1);
  --transition: .2s ease;
  --sidebar-w: 260px;
  --navbar-h: 60px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

[data-theme="dark"] {
  --bg: #0f172a;
  --bg-card: #1e293b;
  --bg-input: #334155;
  --text: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: #334155;
  --primary-light: #312e81;
  --accent-light: #064e3b;
  --shadow: 0 1px 3px rgba(0,0,0,.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,.4);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }
img { max-width: 100%; display: block; }

/* ── Container ── */
.container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }

/* ── Announcement Bar ── */
.announcement-bar {
  background: var(--primary);
  color: #fff;
  text-align: center;
  padding: .5rem 1rem;
  font-size: .85rem;
  font-weight: 500;
}

/* ── Navbar ── */
.navbar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  height: var(--navbar-h);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}
.navbar-inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 1.5rem;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
}
.navbar-brand i { color: var(--primary); font-size: 1.5rem; }
.navbar-brand:hover { color: var(--primary); }
.navbar-logo { flex-shrink: 0; }

/* ── Nav Links ── */
.nav-links { display: flex; align-items: center; gap: .15rem; }
.nav-link { display: flex; align-items: center; gap: .35rem; padding: .45rem .7rem; font-size: .85rem; font-weight: 500; color: var(--text-secondary); border-radius: var(--radius-sm); transition: all .15s; white-space: nowrap; cursor: pointer; border: none; background: none; text-decoration: none; }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link i { font-size: .9rem; }
.nav-chev { font-size: .65rem; transition: transform .2s; margin-left: -.1rem; }

/* ── Mega Dropdown ── */
.nav-dropdown { position: relative; }
.mega-menu { display: none; position: absolute; top: 100%; left: 50%; transform: translateX(-50%); min-width: 620px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: 0 12px 40px rgba(0,0,0,.12); z-index: 200; margin-top: .5rem; padding: 0; }
.nav-dropdown.open .mega-menu { display: block; }
.nav-dropdown.open .nav-chev { transform: rotate(180deg); }
.mega-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0; padding: 1rem 1.25rem; }
.mega-col { padding: .5rem .5rem; }
.mega-cat-head { display: flex; align-items: center; gap: .4rem; font-size: .82rem; font-weight: 700; color: var(--text); margin-bottom: .45rem; text-decoration: none; transition: color .15s; }
.mega-cat-head:hover { color: var(--primary); }
.mega-cat-head i { color: var(--primary); font-size: .9rem; }
.mega-count { font-size: .68rem; font-weight: 600; background: var(--bg-input); color: var(--text-muted); padding: .1rem .35rem; border-radius: 99px; margin-left: auto; }
.mega-tools { list-style: none; padding: 0; margin: 0; }
.mega-tools li { margin-bottom: .1rem; }
.mega-tools a { display: block; padding: .3rem .5rem; font-size: .8rem; color: var(--text-secondary); border-radius: 4px; transition: all .15s; text-decoration: none; }
.mega-tools a:hover { color: var(--primary); background: var(--primary-light); }
.mega-footer { border-top: 1px solid var(--border); padding: .65rem 1.25rem; }
.mega-viewall { display: flex; align-items: center; gap: .4rem; font-size: .85rem; font-weight: 600; color: var(--primary); text-decoration: none; transition: gap .2s; }
.mega-viewall:hover { gap: .6rem; }
.mega-total { font-weight: 400; color: var(--text-muted); font-size: .78rem; margin-left: auto; }

/* ── Mobile Nav ── */
.mobile-nav { display: none; background: var(--bg-card); border-bottom: 1px solid var(--border); padding: .5rem 1rem 1rem; }
.mobile-nav.open { display: block; }
.mobile-nav-link { display: flex; align-items: center; gap: .5rem; padding: .55rem .75rem; font-size: .9rem; color: var(--text-secondary); border-radius: var(--radius-sm); text-decoration: none; transition: all .15s; }
.mobile-nav-link:hover, .mobile-nav-link:active { color: var(--primary); background: var(--primary-light); }
.mobile-nav-link i { font-size: .95rem; width: 20px; text-align: center; }
.mobile-nav-sub { padding-left: 1.5rem; font-size: .85rem; }
.mobile-nav-section { margin: .25rem 0; }
.mobile-nav-label { font-size: .72rem; font-weight: 700; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; padding: .5rem .75rem .2rem; }
.mobile-nav .mega-count { font-size: .65rem; margin-left: auto; }

/* ── Search ── */
.nav-search { flex: 1; max-width: 400px; position: relative; }
.search-form { position: relative; }
.search-icon { position: absolute; left: 12px; top: 50%; transform: translateY(-50%); color: var(--text-muted); pointer-events: none; }
.search-input {
  width: 100%;
  padding: .6rem .75rem .6rem 2.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-input);
  color: var(--text);
  font-size: .9rem;
  outline: none;
  transition: border var(--transition), box-shadow var(--transition);
}
.search-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, .12);
}
.search-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  margin-top: 4px;
  display: none;
  z-index: 200;
  max-height: 360px;
  overflow-y: auto;
}
.search-dropdown.active { display: block; }
.search-dropdown-item {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .75rem 1rem;
  cursor: pointer;
  transition: background var(--transition);
}
.search-dropdown-item:hover { background: var(--bg-input); }
.search-dropdown-item i { color: var(--primary); font-size: 1.1rem; }
.search-dropdown-item span { font-size: .85rem; color: var(--text-muted); margin-left: auto; }

/* ── Nav Actions ── */
.nav-actions { display: flex; gap: .5rem; align-items: center; }
.btn-icon {
  width: 38px;
  height: 38px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1.1rem;
}
.btn-icon:hover { background: var(--bg-input); color: var(--text); }
.mobile-menu-toggle { display: none; }

/* ── Main Layout ── */
.main-wrapper { flex: 1; padding: 1.5rem 0; }
.main-container { display: flex; gap: 1.5rem; align-items: flex-start; }
.content-area { flex: 1; min-width: 0; }

/* ── Sidebar ── */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--navbar-h) + 1.5rem);
  max-height: calc(100vh - var(--navbar-h) - 3rem);
  overflow-y: auto;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1rem;
}
.sidebar-title {
  font-size: .75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-muted);
  margin-bottom: .75rem;
}
.sidebar-list { list-style: none; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .75rem;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: .88rem;
  transition: all var(--transition);
}
.sidebar-link:hover, .sidebar-link.active {
  background: var(--primary-light);
  color: var(--primary);
}
.sidebar-link .badge {
  margin-left: auto;
  font-size: .75rem;
  background: var(--bg-input);
  padding: .1rem .5rem;
  border-radius: 99px;
  color: var(--text-muted);
}

/* ── Breadcrumb ── */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: .4rem;
  font-size: .85rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: var(--border); }
.breadcrumb .current { color: var(--text); font-weight: 500; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .6rem 1.25rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-hover); }
.btn-secondary {
  background: var(--bg-input);
  color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-secondary:hover:not(:disabled) { background: var(--border); color: var(--text); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-sm { padding: .35rem .75rem; font-size: .8rem; }

/* ── Forms ── */
.form-input {
  width: 100%;
  padding: .6rem .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text);
  font-size: .9rem;
  outline: none;
  transition: border var(--transition);
}
.form-input:focus { border-color: var(--primary); }
select.form-input { cursor: pointer; }

/* ── Tool Page ── */
.tool-page { }
.tool-header {
  margin-bottom: 1.5rem;
}
.tool-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary);
  margin-bottom: .75rem;
}
.tool-header h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: .35rem; }
.tool-desc { color: var(--text-secondary); font-size: .95rem; }

.tool-body {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.tool-io-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: 1rem; }
.tool-panel { display: flex; flex-direction: column; gap: .5rem; }
.panel-label { font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-muted); }
.tool-textarea {
  width: 100%;
  padding: .75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: .88rem;
  resize: vertical;
  outline: none;
  transition: border var(--transition);
}
.tool-textarea:focus { border-color: var(--primary); }
.tool-actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1rem; }

/* ── Generator ── */
.tool-options { display: flex; flex-wrap: wrap; gap: 1rem; margin-bottom: 1rem; }
.option-group { display: flex; flex-direction: column; gap: .35rem; min-width: 160px; }
.option-group label { font-size: .85rem; font-weight: 500; color: var(--text-secondary); }
.toggle-label { display: flex; align-items: center; gap: .5rem; cursor: pointer; font-size: .88rem; }
.generator-output {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  min-height: 60px;
  font-family: var(--font-mono);
  font-size: 1rem;
  word-break: break-all;
  color: var(--text);
}
.range-val { font-size: .8rem; color: var(--primary); font-weight: 600; }
.form-range { width: 100%; accent-color: var(--primary); }

/* ── Calculator ── */
.calc-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1rem; }
.calc-field { display: flex; flex-direction: column; gap: .35rem; }
.calc-field label { font-size: .85rem; font-weight: 500; color: var(--text-secondary); }
.field-unit { font-size: .8rem; color: var(--text-muted); }
.calc-result {
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1rem;
}
.calc-result h3 { font-size: .9rem; color: var(--accent); margin-bottom: .75rem; }
.result-row { display: flex; justify-content: space-between; padding: .35rem 0; border-bottom: 1px solid rgba(0,0,0,.06); }
.result-label { color: var(--text-secondary); font-size: .9rem; }
.result-value { font-weight: 600; font-size: .95rem; }

/* ── Converter ── */
.converter-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 1rem; align-items: start; margin-bottom: 1rem; }
.converter-swap { display: flex; align-items: center; justify-content: center; padding-top: 2rem; }
.converter-col { display: flex; flex-direction: column; gap: .5rem; }

/* ── Upload Zone ── */
.upload-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  margin-bottom: 1rem;
}
.upload-zone:hover, .upload-zone.dragover {
  border-color: var(--primary);
  background: var(--primary-light);
}
.upload-zone i { font-size: 2.5rem; color: var(--text-muted); }
.upload-zone p { margin-top: .5rem; color: var(--text-secondary); }
.upload-zone small { color: var(--text-muted); font-size: .8rem; }
.upload-browse { color: var(--primary); font-weight: 500; cursor: pointer; }
.preview-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); gap: .75rem; }
.preview-item { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: .5rem; text-align: center; }
.preview-item img { width: 100%; height: 80px; object-fit: cover; border-radius: 4px; margin-bottom: .4rem; }
.preview-item span { font-size: .75rem; color: var(--text-muted); display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-list { margin-bottom: 1rem; }
.file-item { display: flex; align-items: center; gap: .5rem; padding: .5rem .75rem; background: var(--bg-input); border-radius: var(--radius-sm); margin-bottom: .4rem; font-size: .88rem; }

/* ── Content Sections ── */
.content-section {
  margin-top: 2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
}
.content-section .section-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: .75rem;
  border-bottom: 1px solid var(--border);
}
.content-body {
  color: var(--text-secondary);
  font-size: .94rem;
  line-height: 1.75;
}
.content-body p { margin-bottom: .75rem; }
.content-body p:last-child { margin-bottom: 0; }
.content-body ul, .content-body ol {
  padding-left: 1.5rem;
  margin-bottom: .75rem;
}
.content-body li {
  margin-bottom: .4rem;
  line-height: 1.6;
}
.content-body strong { color: var(--text); font-weight: 600; }
.content-body code {
  background: var(--bg-input);
  padding: .15rem .4rem;
  border-radius: 4px;
  font-size: .85rem;
  font-family: var(--font-mono);
  color: var(--primary);
}
.content-body a { color: var(--primary); text-decoration: underline; }
.content-body a:hover { color: var(--primary-hover); }
.content-body h3 { font-size: 1rem; font-weight: 600; margin: 1rem 0 .5rem; color: var(--text); }

/* ── FAQ ── */
.faq-section { margin-top: 2rem; }
.faq-list { display: flex; flex-direction: column; gap: .5rem; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-item summary {
  padding: .85rem 1rem;
  cursor: pointer;
  font-weight: 500;
  font-size: .95rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.faq-item summary::after { content: '\F282'; font-family: 'bootstrap-icons'; transition: transform var(--transition); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 1rem 1rem; color: var(--text-secondary); font-size: .9rem; }

/* ── Section ── */
.section { padding: 2.5rem 0; }
.section-title {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: .5rem;
}
.section-title i { color: var(--primary); }

/* ── Hero ── */
.hero {
  text-align: center;
  padding: 4rem 0 3rem;
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg) 100%);
}
.hero-logo { margin-bottom: 1rem; }
.hero h1 { font-size: 2.5rem; font-weight: 800; margin-bottom: .5rem; }
.hero-tagline { font-size: 1.15rem; color: var(--primary); font-weight: 500; margin-bottom: .5rem; }
.hero-desc { color: var(--text-secondary); max-width: 600px; margin: 0 auto 1.5rem; }
.hero-search { max-width: 560px; margin: 0 auto 1.5rem; }
.search-form-lg { display: flex; gap: .5rem; }
.search-form-lg .search-input { border-radius: var(--radius) 0 0 var(--radius); }
.search-form-lg .btn { border-radius: 0 var(--radius) var(--radius) 0; }
.hero-stats { display: flex; justify-content: center; gap: 2rem; color: var(--text-secondary); font-size: .9rem; }
.hero-stats span { display: flex; align-items: center; gap: .4rem; }
.hero-stats i { color: var(--primary); }

/* ── Tool Cards ── */
.tools-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.tool-card {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  padding: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--transition);
  color: var(--text);
}
.tool-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--text);
}
.tool-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--primary);
  flex-shrink: 0;
}
.tool-card-body h3 { font-size: .95rem; font-weight: 600; margin-bottom: .2rem; }
.tool-card-body p { font-size: .82rem; color: var(--text-muted); line-height: 1.4; }
.tool-card-cat { font-size: .75rem; color: var(--primary); background: var(--primary-light); padding: .15rem .5rem; border-radius: 99px; }
.tool-card-featured { border-left: 3px solid var(--primary); }

/* ── Category Cards ── */
.categories-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 1rem; }
.category-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  padding: 1.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  text-align: center;
  transition: all var(--transition);
  color: var(--text);
}
.category-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: var(--text);
}
.category-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius);
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--primary);
}
.category-icon-lg { width: 64px; height: 64px; font-size: 1.8rem; margin-bottom: .5rem; }
.category-card h3 { font-size: .92rem; font-weight: 600; }
.category-count { font-size: .8rem; color: var(--text-muted); }

/* ── Page Header ── */
.page-header { margin-bottom: 1.5rem; }
.page-header h1 { font-size: 1.5rem; font-weight: 700; margin-bottom: .25rem; }
.page-header p { color: var(--text-secondary); }

/* ── Empty State ── */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state i { font-size: 3rem; margin-bottom: 1rem; display: block; }

/* ── Error Page ── */
.error-page { text-align: center; padding: 5rem 1rem; }
.error-page .error-icon { font-size: 4rem; color: var(--warning); margin-bottom: 1rem; }
.error-page h1 { font-size: 2rem; margin-bottom: .5rem; }
.error-page p { color: var(--text-secondary); margin-bottom: 1.5rem; }

/* ── Image Result ── */
.image-result {
  background: var(--accent-light);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  padding: 1.25rem;
  margin-top: 1rem;
}
.image-result h3 { font-size: .9rem; color: var(--accent); margin-bottom: .75rem; }

/* ── Ad Slots ── */
.ad-slot { margin: 1rem 0; text-align: center; }

/* ── Footer ── */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0 1.5rem;
  margin-top: auto;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 2rem; }
.footer-col h4 { font-size: .85rem; font-weight: 600; margin-bottom: .75rem; }
.footer-col p { font-size: .85rem; color: var(--text-secondary); }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: .4rem; }
.footer-col li a { color: var(--text-secondary); font-size: .85rem; }
.footer-col li a:hover { color: var(--primary); }
.social-links { display: flex; gap: .75rem; }
.social-links a { color: var(--text-muted); font-size: 1.2rem; }
.social-links a:hover { color: var(--primary); }
.footer-bottom {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: .82rem;
  color: var(--text-muted);
}

/* ── Badge ── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: .2rem .65rem;
  border-radius: 99px;
  font-size: .78rem;
  font-weight: 500;
  background: var(--bg-input);
  color: var(--text-secondary);
}

/* ── Related Tools ── */
.related-tools { margin-top: 2rem; }

/* ── Static Pages (Privacy, etc.) ── */
.page-container { max-width: 800px; padding: 2.5rem 1.5rem 4rem; }
.page-header { margin-bottom: 2rem; }
.page-header h1 { font-size: 2rem; font-weight: 700; display: flex; align-items: center; gap: .5rem; }
.page-header h1 i { color: var(--primary); }
.page-updated { font-size: .85rem; color: var(--text-muted); margin-top: .35rem; }
.policy-body h2 { font-size: 1.15rem; font-weight: 700; color: var(--text); margin: 2rem 0 .6rem; padding-bottom: .4rem; border-bottom: 1px solid var(--border); }
.policy-body p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 1rem; }
.policy-body ul { color: var(--text-secondary); line-height: 1.8; margin-bottom: 1.25rem; padding-left: 1.5rem; }
.policy-body li { margin-bottom: .35rem; }
.policy-body a { color: var(--primary); }
.policy-body strong { color: var(--text); }
.policy-highlight { display: flex; align-items: flex-start; gap: .85rem; padding: 1.15rem 1.25rem; background: var(--primary-light); border: 1px solid var(--primary); border-radius: var(--radius); margin-bottom: 2rem; font-size: .92rem; line-height: 1.6; color: var(--text); }
.policy-highlight i { font-size: 1.5rem; color: var(--primary); flex-shrink: 0; margin-top: .1rem; }

/* ── Browse All Tools ── */
.browse-hero{text-align:center;padding:2.5rem 0 2rem;background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 100%)}
.browse-hero h1{font-size:2rem;font-weight:800;display:flex;align-items:center;justify-content:center;gap:.5rem}
.browse-hero h1 i{color:var(--primary)}
.browse-hero-sub{font-size:1rem;color:var(--text-secondary);margin:.4rem 0 1.25rem}
.browse-hero-sub strong{color:var(--primary)}
.browse-search{max-width:480px;margin:0 auto}

.browse-filters{padding:1rem 0;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:56px;z-index:50}
.filter-pills{display:flex;gap:.4rem;overflow-x:auto;padding-bottom:.25rem;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.filter-pills::-webkit-scrollbar{display:none}
.filter-pill{display:flex;align-items:center;gap:.35rem;padding:.45rem .85rem;border:1px solid var(--border);border-radius:99px;background:var(--bg);color:var(--text-secondary);font-size:.82rem;font-weight:500;cursor:pointer;transition:all .15s;white-space:nowrap;flex-shrink:0}
.filter-pill:hover{border-color:var(--primary);color:var(--primary)}
.filter-pill.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.filter-pill i{font-size:.85rem}

.browse-main{padding:2rem 0 3rem}
.browse-cat-section{margin-bottom:2.5rem}
.browse-cat-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem;padding-bottom:.6rem;border-bottom:2px solid var(--border)}
.browse-cat-title{display:flex;align-items:center;gap:.5rem}
.browse-cat-title i{font-size:1.2rem;color:var(--primary)}
.browse-cat-title h2{font-size:1.15rem;font-weight:700;margin:0;color:var(--text)}
.browse-cat-count{font-size:.75rem;font-weight:600;background:var(--primary-light);color:var(--primary);padding:.2rem .55rem;border-radius:99px}
.browse-cat-link{font-size:.82rem;color:var(--primary);font-weight:500;display:flex;align-items:center;gap:.3rem;text-decoration:none;transition:gap .2s}
.browse-cat-link:hover{gap:.5rem}

.browse-tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:.65rem}
.browse-tool-card{display:flex;align-items:center;gap:.85rem;padding:.9rem 1rem;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-card);text-decoration:none;transition:all .18s;cursor:pointer}
.browse-tool-card:hover{border-color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,.06);transform:translateY(-1px)}
.browse-tool-icon{width:40px;height:40px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.15rem;color:var(--primary);flex-shrink:0}
.browse-tool-body{flex:1;min-width:0}
.browse-tool-body h3{font-size:.9rem;font-weight:600;color:var(--text);margin:0 0 .2rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.browse-tool-body p{font-size:.78rem;color:var(--text-muted);margin:0;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.browse-tool-arrow{color:var(--border);font-size:.9rem;flex-shrink:0;transition:color .15s}
.browse-tool-card:hover .browse-tool-arrow{color:var(--primary)}

/* ── About Page ── */
.about-hero{text-align:center;padding:3.5rem 0 2.5rem;background:linear-gradient(135deg,var(--primary-light) 0%,var(--bg) 100%)}
.about-logo{margin-bottom:1rem}
.about-hero h1{font-size:2.2rem;font-weight:800;margin-bottom:.6rem;color:var(--text)}
.about-hero-sub{font-size:1.05rem;color:var(--text-secondary);max-width:550px;margin:0 auto;line-height:1.6}
.about-hero-sub strong{color:var(--primary)}

.about-promise{padding:2.5rem 0;background:var(--bg-card)}
.promise-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem}
.promise-card{text-align:center;padding:1.5rem 1.25rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg);transition:transform .2s,box-shadow .2s}
.promise-card:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(0,0,0,.08)}
.promise-card h3{font-size:1rem;font-weight:700;margin:.75rem 0 .4rem;color:var(--text)}
.promise-card p{font-size:.85rem;color:var(--text-secondary);line-height:1.5}
.promise-icon{position:relative;width:56px;height:56px;border-radius:50%;background:#FEE2E2;display:flex;align-items:center;justify-content:center;margin:0 auto;font-size:1.5rem;color:#DC2626}
.promise-cross::after{content:'';position:absolute;width:36px;height:3px;background:#DC2626;transform:rotate(-45deg);border-radius:2px}
.promise-icon-ok{width:56px;height:56px;border-radius:50%;background:#D1FAE5;display:flex;align-items:center;justify-content:center;margin:0 auto;font-size:1.5rem;color:#059669}

.about-stats{padding:2rem 0;background:var(--bg)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.25rem;text-align:center}
.stat-item{padding:1.25rem}
.stat-num{font-size:2.5rem;font-weight:800;color:var(--primary);line-height:1}
.stat-label{font-size:.85rem;color:var(--text-muted);font-weight:500;margin-top:.35rem;text-transform:uppercase;letter-spacing:.04em}

.about-section{padding:3rem 0}
.about-container{max-width:750px}
.about-block{display:flex;gap:1.25rem;margin-bottom:2.25rem;align-items:flex-start}
.about-block-icon{width:44px;height:44px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:var(--primary);flex-shrink:0;margin-top:.15rem}
.about-block h2{font-size:1.2rem;font-weight:700;margin:0 0 .5rem;color:var(--text)}
.about-block p{color:var(--text-secondary);line-height:1.7;margin-bottom:.75rem}
.about-block ul{color:var(--text-secondary);line-height:1.8;padding-left:1.25rem;margin-bottom:.75rem}
.about-block li{margin-bottom:.25rem}
.about-block a{color:var(--primary)}
.about-block strong{color:var(--text)}

.about-cta{padding:2.5rem 0 3.5rem}
.cta-box{text-align:center;padding:2.5rem 2rem;background:linear-gradient(135deg,var(--primary),#6366F1);border-radius:var(--radius);color:#fff}
.cta-box h2{font-size:1.5rem;font-weight:700;margin-bottom:.5rem}
.cta-box p{opacity:.9;margin-bottom:1.25rem}
.btn-lg{padding:.85rem 2rem;font-size:1rem;border-radius:var(--radius)}
.cta-box .btn-primary{background:#fff;color:var(--primary);border-color:#fff}
.cta-box .btn-primary:hover{background:#f0f0f0}

/* ── Contact Page ── */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin:2rem 0}
.contact-card{padding:1.5rem;border-radius:var(--radius);border:1px solid var(--border);background:var(--bg-card);transition:transform .2s,box-shadow .2s}
.contact-card:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.06)}
.contact-card-primary{border-color:var(--primary);border-width:2px}
.contact-card h3{font-size:1rem;font-weight:700;margin:.75rem 0 .35rem;color:var(--text)}
.contact-card p{font-size:.85rem;color:var(--text-secondary);line-height:1.5;margin-bottom:.75rem}
.contact-card-icon{width:44px;height:44px;border-radius:10px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--primary)}
.contact-icon-purple{background:#F3E8FF;color:#8B5CF6}
.contact-icon-green{background:#D1FAE5;color:#059669}
.contact-icon-amber{background:#FEF3C7;color:#D97706}
.contact-email{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .85rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);font-family:'JetBrains Mono',monospace;font-size:.85rem;color:var(--primary);text-decoration:none;font-weight:500;transition:all .15s}
.contact-email:hover{background:var(--primary-light);border-color:var(--primary)}

.contact-faq{margin:2.5rem 0 1.5rem}
.contact-faq h2{font-size:1.15rem;font-weight:700;margin-bottom:1rem;color:var(--text)}
.contact-faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.contact-faq-item{padding:1rem 1.15rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm)}
.contact-faq-q{font-size:.88rem;font-weight:600;color:var(--text);display:flex;align-items:center;gap:.4rem;margin-bottom:.35rem}
.contact-faq-q i{color:var(--primary)}
.contact-faq-item p{font-size:.82rem;color:var(--text-secondary);line-height:1.5;margin:0}
.contact-faq-item a{color:var(--primary)}

.contact-note{display:flex;align-items:flex-start;gap:.75rem;padding:1rem 1.15rem;background:var(--primary-light);border:1px solid var(--primary);border-radius:var(--radius);font-size:.88rem;color:var(--text);line-height:1.5}
.contact-note i{font-size:1.2rem;color:var(--primary);flex-shrink:0;margin-top:.1rem}

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; position: fixed; top: 0; left: 0; bottom: 0; width: 280px; z-index: 200; border-radius: 0; }
  .sidebar.open { display: block; }
  .mobile-menu-toggle { display: flex; }
  .tool-io-grid { grid-template-columns: 1fr; }
  .converter-grid { grid-template-columns: 1fr; }
  .converter-swap { padding: 0; }
  .hero h1 { font-size: 1.75rem; }
  .hero-stats { flex-wrap: wrap; gap: 1rem; }
  .search-form-lg { flex-direction: column; }
  .search-form-lg .search-input { border-radius: var(--radius); }
  .search-form-lg .btn { border-radius: var(--radius); }
  .nav-search { display: none; }
  .nav-links { display: none; }
  .nav-link-hide-sm { display: none; }
  .mega-menu { position: fixed; left: 1rem; right: 1rem; transform: none; min-width: auto; }
  .mega-grid { grid-template-columns: 1fr 1fr; }
  .tools-grid { grid-template-columns: 1fr; }
  .categories-grid { grid-template-columns: repeat(2, 1fr); }
  .promise-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .browse-tools-grid { grid-template-columns: 1fr; }
  .browse-hero h1 { font-size: 1.5rem; }
  .browse-cat-head { flex-direction: column; align-items: flex-start; gap: .5rem; }
  .filter-pills { gap: .3rem; }
  .about-hero h1 { font-size: 1.6rem; }
  .about-block { flex-direction: column; }
  .stat-num { font-size: 2rem; }
  .contact-grid { grid-template-columns: 1fr; }
  .contact-faq-grid { grid-template-columns: 1fr; }
}

/* ── Overlay for mobile sidebar ── */
.sidebar-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,.4);
  z-index: 150;
}
.sidebar-overlay.active { display: block; }

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