@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap");
@import url("https://fonts.googleapis.com/css2?family=Space+Mono:wght@400;700&display=swap");

:root {
  --bg: hsl(222, 20%, 8%);
  --fg: hsl(210, 20%, 98%);
  --card: hsl(222, 20%, 11%);
  --card-fg: hsl(210, 20%, 98%);
  --primary: hsl(199, 89%, 48%);
  --primary-fg: hsl(222, 20%, 8%);
  --secondary: hsl(222, 15%, 16%);
  --muted: hsl(222, 15%, 16%);
  --muted-fg: hsl(215, 15%, 65%);
  --accent: hsl(222, 15%, 18%);
  --border: hsl(222, 15%, 18%);
  --input: hsl(222, 15%, 14%);
  --destructive: hsl(0, 72%, 65%);
  --success: hsl(142, 71%, 45%);
  --warning: hsl(38, 92%, 50%);
  --ring: hsl(199, 89%, 48%);
  --radius: 0.5rem;
  --sidebar-bg: hsl(222, 20%, 6%);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1rem; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.5rem 1rem; border-radius: var(--radius); font-size: 0.875rem;
  font-weight: 500; cursor: pointer; border: 1px solid transparent;
  transition: all 0.2s; white-space: nowrap; text-decoration: none;
}
.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: var(--primary-fg); }
.btn-primary:hover { opacity: 0.9; }
.btn-outline { background: transparent; color: var(--fg); border-color: var(--border); }
.btn-outline:hover { background: var(--accent); }
.btn-ghost { background: transparent; color: var(--muted-fg); border: none; }
.btn-ghost:hover { color: var(--fg); background: var(--accent); }
.btn-destructive { background: var(--destructive); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; }
.btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }
.btn-icon { padding: 0.5rem; width: 2rem; height: 2rem; }
.btn-block { width: 100%; }

/* Cards */
.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.card-header { padding: 1.5rem 1.5rem 0; }
.card-body { padding: 1.5rem; }
.card-title { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.25rem; }
.card-desc { color: var(--muted-fg); font-size: 0.875rem; }

/* Form Elements */
.form-group { margin-bottom: 1rem; }
.form-label { display: block; font-size: 0.875rem; font-weight: 500; margin-bottom: 0.375rem; }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 0.5rem 0.75rem; background: var(--input);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--fg); font-size: 0.875rem; font-family: inherit;
  transition: border-color 0.2s;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--primary); box-shadow: 0 0 0 2px rgba(14,165,233,0.15);
}
.form-input::placeholder, .form-textarea::placeholder { color: var(--muted-fg); }
.form-input-icon { position: relative; }
.form-input-icon svg, .form-input-icon .icon-left {
  position: absolute; left: 0.75rem; top: 50%; transform: translateY(-50%);
  width: 1rem; height: 1rem; color: var(--muted-fg); pointer-events: none;
}
.form-input-icon .form-input { padding-left: 2.5rem; }
.form-textarea { min-height: 100px; resize: vertical; }
.form-select { appearance: none; cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 0.75rem center; padding-right: 2rem;
}

/* Badge */
.badge {
  display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.125rem 0.5rem; border-radius: 9999px; font-size: 0.75rem;
  font-weight: 500; border: 1px solid transparent;
}
.badge-primary { background: rgba(14,165,233,0.1); color: var(--primary); border-color: rgba(14,165,233,0.2); }
.badge-success { background: rgba(34,197,94,0.1); color: var(--success); border-color: rgba(34,197,94,0.2); }
.badge-warning { background: rgba(245,158,11,0.1); color: var(--warning); border-color: rgba(245,158,11,0.2); }
.badge-destructive, .badge-danger { background: rgba(239,68,68,0.1); color: var(--destructive); border-color: rgba(239,68,68,0.2); }
.badge-info { background: rgba(14,165,233,0.1); color: var(--primary); border-color: rgba(14,165,233,0.2); }
.badge-outline { background: transparent; border-color: var(--border); color: var(--muted-fg); }

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  border-bottom: 1px solid var(--border); background: var(--bg);
  backdrop-filter: blur(8px);
}
.navbar-inner { display: flex; height: 4rem; align-items: center; justify-content: space-between; }
.navbar-logo { display: flex; align-items: center; gap: 0.75rem; }
.navbar-logo .logo-icon {
  position: relative; width: 2.5rem; height: 2.5rem;
  display: flex; align-items: center; justify-content: center;
}
.navbar-logo .logo-icon .bg {
  position: absolute; inset: 0; background: var(--primary);
  transform: rotate(45deg); border-radius: 4px;
}
.navbar-logo .logo-icon svg { position: relative; z-index: 1; color: var(--primary-fg); }
.navbar-logo .logo-text { font-size: 1.125rem; font-weight: 700; }
.navbar-logo .logo-text span { color: var(--primary); }
.navbar-logo .logo-sub { font-size: 0.625rem; color: var(--muted-fg); text-transform: uppercase; letter-spacing: 0.15em; }
.navbar-nav { display: flex; align-items: center; gap: 0.25rem; }
.navbar-nav a {
  padding: 0.375rem 1rem; border-radius: var(--radius); font-size: 0.875rem;
  color: var(--muted-fg); transition: all 0.2s;
}
.navbar-nav a:hover { color: var(--fg); background: var(--accent); }
.navbar-nav a.active { color: var(--primary); }
.navbar-actions { display: flex; align-items: center; gap: 0.5rem; }
/* Hamburger button - ONLY visible on mobile */
.mobile-toggle { display: none !important; background: none; border: none; color: var(--fg); cursor: pointer; padding: 0.5rem; }
/* Desktop-only nav items */
.nav-desktop-only { display: inline-flex; }

/* Sidebar */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0; width: 16rem;
  background: var(--sidebar-bg); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 40; transition: transform 0.3s;
}
.sidebar-header {
  height: 4rem; display: flex; align-items: center; padding: 0 1rem;
  border-bottom: 1px solid var(--border); gap: 0.5rem;
}
.sidebar-header svg { color: var(--primary); }
.sidebar-header span { font-weight: 700; font-size: 1.125rem; }
.sidebar-nav { flex: 1; padding: 0.75rem; overflow-y: auto; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 1rem;
  border-radius: var(--radius); color: var(--fg); font-size: 0.875rem;
  transition: all 0.2s; margin-bottom: 0.125rem;
}
.sidebar-nav a:hover { background: rgba(14,165,233,0.08); color: var(--primary); }
.sidebar-nav a.active {
  background: rgba(14,165,233,0.1); color: var(--primary);
  border-left: 2px solid var(--primary);
}
.sidebar-nav a svg { width: 1.25rem; height: 1.25rem; flex-shrink: 0; }
.sidebar-footer {
  padding: 0.75rem; border-top: 1px solid var(--border);
}
.sidebar-user {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.75rem;
  background: rgba(255,255,255,0.03); border-radius: var(--radius); margin-bottom: 0.75rem;
}
.sidebar-user .avatar {
  width: 2.5rem; height: 2.5rem; border-radius: 50%; flex-shrink: 0;
  background: linear-gradient(135deg, var(--primary), #0891b2);
  display: flex; align-items: center; justify-content: center;
}
.sidebar-user .avatar svg { color: var(--primary-fg); }
.sidebar-user .info { flex: 1; min-width: 0; }
.sidebar-user .info .name { font-size: 0.875rem; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user .info .role { font-size: 0.75rem; color: var(--muted-fg); }
.sidebar-credits { display: flex; align-items: center; gap: 0.5rem; font-size: 0.75rem; color: var(--muted-fg); margin-top: 0.5rem; }

/* Dashboard Layout */
.dash-layout { min-height: 100vh; }
.dash-content { margin-left: 16rem; padding: 2rem; }

/* Table */
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
table { width: 100%; border-collapse: collapse; min-width: 400px; }
th { text-align: left; padding: 0.75rem 1rem; font-size: 0.75rem; font-weight: 500;
  color: var(--muted-fg); text-transform: uppercase; letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border); white-space: nowrap;
}
td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border); font-size: 0.875rem; vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,255,255,0.02); }
.show-mobile { display: none; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; margin-bottom: 1.5rem; }
.stat-card { display: flex; align-items: center; gap: 1rem; transition: transform 0.2s; }
.stat-card:hover { transform: translateY(-2px); }
.stat-icon { padding: 0.75rem; border-radius: var(--radius); display: flex; align-items: center; justify-content: center; }
.stat-icon svg { width: 1.25rem; height: 1.25rem; }
.stat-value { font-size: 1.5rem; font-weight: 700; }
.stat-label { font-size: 0.75rem; color: var(--muted-fg); }

/* Grid */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2-1 { grid-template-columns: 2fr 1fr; }

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-destructive { color: var(--destructive); }
.text-muted { color: var(--muted-fg); }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }
.text-5xl { font-size: 3rem; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-mono { font-family: 'Space Mono', monospace; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mr-2 { margin-right: 0.5rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }
.rounded { border-radius: var(--radius); }
.rounded-full { border-radius: 9999px; }
.rounded-lg { border-radius: var(--radius); }
.border { border: 1px solid var(--border); }
.border-b { border-bottom: 1px solid var(--border); }
.border-t { border-top: 1px solid var(--border); }
.bg-muted { background: var(--muted); }
.bg-card { background: var(--card); }
.w-full { width: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-md { max-width: 28rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); }
.hidden { display: none !important; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

/* Progress bar */
.progress { height: 0.375rem; background: var(--muted); border-radius: 9999px; overflow: hidden; }
.progress-bar { height: 100%; background: var(--primary); border-radius: 9999px; transition: width 0.5s ease; }

/* Pulse animation */
.pulse { width: 0.5rem; height: 0.5rem; border-radius: 50%; animation: pulse 2s infinite; }
.pulse-success { background: var(--success); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* Spinner */
.spinner { width: 2rem; height: 2rem; border: 2px solid var(--border); border-top-color: var(--primary);
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.spin { animation: spin 0.8s linear infinite; }

/* Alert / Toast */
.alert { padding: 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: 0.875rem; }
.alert-success { background: rgba(34,197,94,0.1); border: 1px solid rgba(34,197,94,0.2); color: var(--success); }
.alert-error { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); color: var(--destructive); }
.alert-warning { background: rgba(245,158,11,0.1); border: 1px solid rgba(245,158,11,0.2); color: var(--warning); }
.alert-info { background: rgba(14,165,233,0.1); border: 1px solid rgba(14,165,233,0.2); color: var(--primary); }

/* Hero section */
.hero { padding-top: 6rem; padding-bottom: 4rem; position: relative; }
.hero::before { content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 800px; height: 400px; background: radial-gradient(ellipse at center, rgba(14,165,233,0.08) 0%, transparent 70%); pointer-events: none; }
.hero h1 { font-size: 3rem; font-weight: 700; line-height: 1.1; margin-bottom: 1.5rem; position: relative; }
.hero p { font-size: 1.125rem; color: var(--muted-fg); max-width: 32rem; margin-bottom: 2rem; position: relative; }
.hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; position: relative; }

/* Terminal card */
.terminal-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); }
.terminal-header {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border);
}
.terminal-dots { display: flex; gap: 0.375rem; }
.terminal-dots span { width: 0.75rem; height: 0.75rem; border-radius: 50%; }
.terminal-dots .red { background: var(--destructive); }
.terminal-dots .yellow { background: var(--warning); }
.terminal-dots .green { background: var(--success); }
.terminal-title { flex: 1; text-align: center; font-size: 0.75rem; color: var(--muted-fg); font-family: 'Space Mono', monospace; }

/* Threat item */
.threat-item {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.5rem; background: var(--muted); border-radius: var(--radius);
  font-family: 'Space Mono', monospace; font-size: 0.75rem;
}
.threat-bar { flex: 1; height: 0.5rem; background: var(--muted); border-radius: 9999px; overflow: hidden; }
.threat-bar-fill { height: 100%; background: var(--primary); }

/* Feature card */
.feature-card { padding: 1.5rem; transition: border-color 0.2s; }
.feature-card:hover { border-color: rgba(14,165,233,0.5); }
.feature-icon {
  width: 2.5rem; height: 2.5rem; border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center; margin-bottom: 1rem;
}

/* Footer */
.footer { background: var(--card); border-top: 1px solid var(--border); }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(4, 1fr); gap: 2rem; }
.footer h4 { font-size: 0.75rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 1rem; }
.footer ul { list-style: none; }
.footer li { margin-bottom: 0.75rem; }
.footer li a { font-size: 0.875rem; color: var(--muted-fg); transition: color 0.2s; }
.footer li a:hover { color: var(--fg); }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.5rem 0; border-top: 1px solid var(--border); margin-top: 2rem;
}
.footer-bottom p { font-size: 0.875rem; color: var(--muted-fg); }
.social-links { display: flex; gap: 0.5rem; }
.social-links a {
  width: 2.25rem; height: 2.25rem; border-radius: var(--radius);
  background: var(--muted); display: flex; align-items: center; justify-content: center;
  color: var(--muted-fg); transition: all 0.2s;
}
.social-links a:hover { color: var(--primary); background: rgba(14,165,233,0.1); }

/* Pricing */
.pricing-card { border: 2px solid var(--border); transition: border-color 0.3s; }
.pricing-card:hover { border-color: rgba(14,165,233,0.5); }
.pricing-card.popular { border-color: var(--primary); box-shadow: 0 0 20px rgba(14,165,233,0.2); }
.pricing-popular-badge {
  position: absolute; top: -0.75rem; left: 50%; transform: translateX(-50%);
}

/* Tabs */
.tabs { display: flex; background: var(--muted); border-radius: var(--radius); padding: 0.25rem; margin-bottom: 1.5rem; }
.tab-btn {
  flex: 1; padding: 0.5rem 1rem; border-radius: calc(var(--radius) - 2px);
  background: transparent; border: none; color: var(--muted-fg); font-size: 0.875rem;
  font-weight: 500; cursor: pointer; transition: all 0.2s;
}
.tab-btn.active { background: var(--bg); color: var(--fg); }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* Divider */
.divider { position: relative; margin: 1.5rem 0; }
.divider::before { content: ''; position: absolute; inset: 0; top: 50%; height: 1px; background: var(--border); }
.divider span { position: relative; padding: 0 0.5rem; background: var(--card); font-size: 0.75rem;
  color: var(--muted-fg); text-transform: uppercase; display: inline-flex; margin: 0 auto; }

/* Dropdown */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
  position: absolute; right: 0; top: 100%; min-width: 10rem; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius); padding: 0.25rem;
  z-index: 100; display: none; box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.dropdown-menu.show { display: block; }
.dropdown-item {
  display: flex; align-items: center; gap: 0.5rem; padding: 0.5rem 0.75rem;
  border-radius: calc(var(--radius) - 2px); font-size: 0.875rem; color: var(--fg);
  cursor: pointer; border: none; background: none; width: 100%; text-align: left;
}
.dropdown-item:hover { background: var(--accent); }

/* Mobile menu (public pages) */
.mobile-menu {
  position: fixed; left: 0; top: 0; bottom: 0; width: 16rem;
  background: var(--sidebar-bg); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; z-index: 60;
  transform: translateX(-100%); transition: transform 0.3s ease, visibility 0.3s;
  visibility: hidden;
  overflow-y: auto; -webkit-overflow-scrolling: touch;
}
.mobile-menu.open { transform: translateX(0); visibility: visible; }

/* Mobile overlay */
.mobile-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 55;
  opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s;
}
.mobile-overlay.show { opacity: 1; visibility: visible; }

/* Mobile header for dashboard */
.mobile-header {
  display: none; position: fixed; top: 0; left: 0; right: 0; height: 3.5rem;
  background: var(--sidebar-bg); border-bottom: 1px solid var(--border); z-index: 50;
  align-items: center; justify-content: space-between; padding: 0 1rem;
}

/* ── Responsive ─────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .dash-content { margin-left: 0; padding: 1rem; padding-top: 4.5rem; }
  .mobile-header { display: flex !important; }
  .grid-2-1 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .profile-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }

  /* Navbar - show hamburger */
  .navbar-nav { display: none !important; }
  .nav-desktop-only { display: none !important; }
  .mobile-toggle { display: block !important; }
  .mobile-menu { display: flex; }
}

@media (max-width: 768px) {
  /* Typography */
  .hero h1 { font-size: 2rem; }
  .text-3xl { font-size: 1.5rem; }
  .text-4xl { font-size: 2rem; }
  .text-5xl { font-size: 2.5rem; }

  /* Grids */
  .hero-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .grid-2-1 { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }

  /* Utilities */
  .pricing-card { margin-bottom: 1rem; }
  .hidden-mobile { display: none !important; }
  .show-mobile { display: block !important; }

  /* Tables - make scrollable */
  .table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  table { min-width: 500px; }

  /* Cards */
  .card-header { padding: 1rem 1rem 0; }
  .card-body { padding: 1rem; }

  /* Buttons - larger touch targets */
  .btn { min-height: 2.5rem; }
  .btn-lg { padding: 0.75rem 1.25rem; font-size: 0.9375rem; }
  .btn-sm { padding: 0.4375rem 0.875rem; font-size: 0.8125rem; min-height: 2.25rem; }

  /* Stats grid - 2 col on mobile */
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 0.75rem; }
  .stat-value { font-size: 1.25rem; }

  /* Page headers */
  .page-header h1 { font-size: 1.5rem; }
  .mb-8 { margin-bottom: 1.5rem; }

  /* Flex wrapping */
  .flex-nowrap-mobile { flex-wrap: nowrap !important; }
  .flex-col-mobile { flex-direction: column !important; }
  .w-full-mobile { width: 100% !important; }

  /* Search results responsive */
  #resultsList > div { flex-direction: column !important; align-items: flex-start !important; gap: 0.5rem !important; }
  #resultsList > div .btn { align-self: flex-end; }

  /* Form inputs - larger touch targets */
  .form-input, .form-select, .form-textarea { font-size: 1rem; padding: 0.625rem 0.875rem; min-height: 2.75rem; }
  .form-input-icon > input { padding-left: 2.75rem; }

  /* Dashboard sidebar mobile header */
  .dash-content { padding-top: 4rem; }
}

@media (max-width: 480px) {
  /* Single column everything */
  .stats-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .grid-2 { grid-template-columns: 1fr; }

  /* Smaller padding */
  .dash-content { padding: 0.625rem; padding-top: 4rem; }
  .card-body { padding: 0.75rem; }
  .card-header { padding: 0.75rem 0.75rem 0; }

  /* Typography */
  .text-3xl { font-size: 1.25rem; }
  .text-2xl { font-size: 1.125rem; }
  .text-xl { font-size: 1rem; }

  /* Buttons - full width on very small */
  .btn-block-xs { width: 100% !important; }

  /* Flex gap reduction */
  .flex.gap-3 { gap: 0.5rem; }

  /* Navbar */
  .navbar-inner { padding: 0 0.5rem; }
  .navbar-logo .logo-text { font-size: 0.9375rem; }
  .navbar-logo .logo-sub { font-size: 0.5625rem; }

  /* Mobile header */
  .mobile-header { padding: 0 0.625rem; }

  /* Badge */
  .badge { font-size: 0.6875rem; padding: 0.125rem 0.375rem; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; }

  /* Modal - bottom sheet style */
  .modal { padding: 1rem; max-width: 100%; }
  .modal-overlay { padding: 0; align-items: flex-end; }
  .modal { border-radius: var(--radius) var(--radius) 0 0; max-height: 92vh; }

  /* Search results items */
  #resultsList > div { padding: 0.625rem !important; }
}

/* (mobile-header, mobile-menu, mobile-overlay moved above responsive section) */

/* Overlay (generic for dashboard) */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 35; display: none;
}
.overlay.show { display: block; }

/* Modal / Dialog */
.modal-overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 100;
  display: flex; align-items: center; justify-content: center; padding: 1rem;
}
.modal {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  max-width: 36rem; width: 100%; max-height: 90vh; overflow-y: auto; padding: 1.5rem;
}
.modal-lg { max-width: 56rem; }
.modal-header { margin-bottom: 1rem; }
.modal-title { font-size: 1.125rem; font-weight: 600; margin-bottom: 0.25rem; }
.modal-desc { font-size: 0.875rem; color: var(--muted-fg); }

/* Spinner for AJAX loading */
.spinner {
  display: inline-block; width: 1rem; height: 1rem;
  border: 2px solid rgba(255,255,255,0.3); border-top-color: #fff;
  border-radius: 50%; animation: spin 0.6s linear infinite;
}
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* Engine group details */
details.engine-group > summary { user-select: none; }
details.engine-group > summary::-webkit-details-marker,
details.engine-group > summary::marker { display: none; content: ''; }
details.engine-group[open] > summary { margin-bottom: 0.5rem; }

/* Scan tabs */
.tabs { display: flex; gap: 0.5rem; border-bottom: 1px solid var(--border); padding-bottom: 0; }
.tab-btn {
  padding: 0.5rem 1rem; font-size: 0.875rem; font-weight: 500;
  background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--muted-fg); cursor: pointer; transition: all 0.2s;
}
.tab-btn:hover { color: var(--fg); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }

/* Form input icon wrapper */
.form-input-icon { position: relative; }
.form-input-icon > i:first-child {
  position: absolute; left: 0.75rem; top: 50%; transform: translateY(-50%);
  width: 1.25rem; height: 1.25rem; color: var(--muted-fg); pointer-events: none;
}
.form-input-icon > input { padding-left: 2.5rem; }

/* Text utils */
.text-destructive { color: var(--destructive) !important; }
.text-warning { color: var(--warning, #f59e0b) !important; }
.text-success { color: var(--success) !important; }
.font-mono { font-family: 'Space Mono', ui-monospace, monospace; }

/* Grid 4 responsive (already defined in main grid section, media queries in responsive section) */

/* bg-muted util */
.bg-muted { background: var(--muted); }

/* Toast notifications */
.toast {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.toast-content {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.toast-success { border-left: 3px solid var(--success); }
.toast-error { border-left: 3px solid var(--destructive); }
.toast-warning { border-left: 3px solid var(--warning); }

/* Search results animation */
#resultsList > div {
  animation: fadeInUp 0.3s ease;
  animation-fill-mode: both;
}
#resultsList > div:nth-child(1) { animation-delay: 0.05s; }
#resultsList > div:nth-child(2) { animation-delay: 0.1s; }
#resultsList > div:nth-child(3) { animation-delay: 0.15s; }
#resultsList > div:nth-child(4) { animation-delay: 0.2s; }
#resultsList > div:nth-child(5) { animation-delay: 0.25s; }
#resultsList > div:nth-child(6) { animation-delay: 0.3s; }
#resultsList > div:nth-child(7) { animation-delay: 0.35s; }
#resultsList > div:nth-child(8) { animation-delay: 0.4s; }

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Selected domain badges */
#selectedDomainsList .badge {
  animation: popIn 0.2s ease;
}

@keyframes popIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

/* Settings & Profile grids */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.profile-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 1.5rem; }

.spin { animation: spin 1s linear infinite; }

/* Space-y utilities */
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

/* Flex utilities */
.flex-1 { flex: 1; }
.flex-wrap { flex-wrap: wrap; }

/* Pricing card popular badge */
.pricing-card.popular { border-color: var(--primary); box-shadow: 0 0 30px rgba(14,165,233,0.15); }
.pricing-popular-badge { position: absolute; top: -0.75rem; left: 50%; transform: translateX(-50%); white-space: nowrap; }

/* Code blocks */
pre code { display: block; }
pre { overflow-x: auto; }

/* Stat icon color helpers */
.stat-icon-primary { background: rgba(14,165,233,0.12); }
.stat-icon-success { background: rgba(34,197,94,0.12); }
.stat-icon-warning { background: rgba(245,158,11,0.12); }
.stat-icon-destructive { background: rgba(239,68,68,0.12); }
.stat-icon-accent { background: rgba(6,182,212,0.12); }

/* Card border highlight */
.card-highlight-primary { border-color: rgba(14,165,233,0.3); }
.card-highlight-success { border-color: rgba(34,197,94,0.3); }
.card-highlight-warning { border-color: rgba(245,158,11,0.3); }
.card-highlight-destructive { border-color: rgba(239,68,68,0.3); }

/* Alert variants with icon support */
.alert { display: flex; align-items: flex-start; gap: 0.75rem; }
.alert-icon { flex-shrink: 0; margin-top: 0.1rem; }
.alert-body { flex: 1; }
.alert-title { font-weight: 600; margin-bottom: 0.25rem; }

/* Table row actions */
.row-actions { display: flex; align-items: center; gap: 0.375rem; justify-content: flex-end; }

/* Empty state */
.empty-state { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 3rem 1rem; text-align: center; }
.empty-state-icon { width: 3.5rem; height: 3.5rem; color: var(--primary); opacity: 0.5; margin-bottom: 1rem; }
.empty-state-title { font-weight: 600; margin-bottom: 0.5rem; }
.empty-state-desc { font-size: 0.875rem; color: var(--muted-fg); max-width: 24rem; }

/* Page header */
.page-header { margin-bottom: 2rem; }
.page-header h1 { font-size: 1.875rem; font-weight: 700; margin-bottom: 0.375rem; }
.page-header p { color: var(--muted-fg); font-size: 0.9375rem; }

/* Inline form row */
.form-row { display: flex; gap: 0.75rem; align-items: flex-end; flex-wrap: wrap; }
.form-row .form-group { margin-bottom: 0; }

/* Compact card body */
.card-body-sm { padding: 0.75rem 1rem; }

/* Status dot */
.status-dot { width: 0.5rem; height: 0.5rem; border-radius: 50%; display: inline-block; flex-shrink: 0; }
.status-dot-active { background: var(--success); }
.status-dot-inactive { background: var(--muted-fg); }
.status-dot-warning { background: var(--warning); }

/* Overflow utilities */
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.min-w-0 { min-width: 0; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }

/* Opacity */
.opacity-50 { opacity: 0.5; }
.opacity-70 { opacity: 0.7; }

/* Transition */
.transition { transition: all 0.2s; }

/* Line clamp */
.line-clamp-1 { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; }
.line-clamp-2 { overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

/* Sticky */
.sticky-top { position: sticky; top: 0; z-index: 10; }

/* Divider text */
.divider-text { display: flex; align-items: center; gap: 0.75rem; color: var(--muted-fg); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; margin: 1rem 0; }
.divider-text::before, .divider-text::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* Input group */
.input-group { display: flex; }
.input-group .form-input { border-radius: var(--radius) 0 0 var(--radius); }
.input-group .btn { border-radius: 0 var(--radius) var(--radius) 0; border-left: none; }

/* Kbd */
kbd { display: inline-flex; align-items: center; padding: 0.125rem 0.375rem; background: var(--muted); border: 1px solid var(--border); border-radius: calc(var(--radius) / 2); font-family: 'Space Mono', monospace; font-size: 0.75rem; }

/* Service label checkboxes */
.svc-label:hover { background: rgba(255,255,255,0.05) !important; border-color: rgba(14,165,233,0.3); }
.svc-label:has(input:checked) { background: rgba(14,165,233,0.08) !important; border-color: rgba(14,165,233,0.4); }

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

/* Badge success/warning/destructive */
.badge-warning { background: rgba(245,158,11,0.2); color: var(--warning); border-color: rgba(245,158,11,0.3); }

/* grid-2 and grid-3 are defined in main grid section above */