/* ============================================================
   AiExamRadar — Global Stylesheet
   Theme: Government Intelligence — Navy + Blue + Orange
   Reference: preview(1).html palette, full production build
   Light default · Dark via [data-theme="dark"]
   Zero external requests — system font stack
   ============================================================ */

/* ── Light Mode (default) ── */
:root {
  --bg-base:         #eef2f7;
  --bg-surface:      #e2e8f0;
  --bg-card:         #ffffff;
  --bg-card-hover:   #f7f9fc;
  --bg-input:        #ffffff;

  --navy:            #0a2540;
  --navy-mid:        #0d3060;
  --blue:            #0077ff;
  --blue-dim:        rgba(0,119,255,0.08);

  --accent-primary:  #f97316;   /* orange CTA */
  --accent-primary-hover: #ea6b0a;
  --accent-glow:     rgba(249,115,22,0.10);
  --accent-cyan:     #0284c7;
  --accent-cyan-dim: rgba(2,132,199,0.08);
  --accent-green:    #16a34a;
  --accent-gold:     #d97706;
  --accent-red:      #dc2626;

  --text-primary:    #0f1f33;
  --text-secondary:  #4a6080;
  --text-muted:      #8fa3bc;
  --text-inverse:    #ffffff;
  --text-nav:        rgba(255,255,255,0.85);

  --border:          rgba(10,37,64,0.14);
  --border-subtle:   rgba(10,37,64,0.07);
  --border-cyan:     rgba(2,132,199,0.20);

  --radius-sm:   5px;
  --radius-md:   8px;
  --radius-lg:   12px;
  --radius-xl:   20px;
  --radius-full: 9999px;

  --shadow-card:    0 1px 4px rgba(10,37,64,0.08), 0 4px 16px rgba(10,37,64,0.05);
  --shadow-nav:     0 2px 12px rgba(10,37,64,0.18);
  --transition:     0.15s ease;
  --transition-md:  0.15s ease;

  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'Cascadia Code', 'Consolas', 'Courier New', monospace;
}

/* ── Dark Mode ── */
[data-theme="dark"] {
  --bg-base:         #060f1c;
  --bg-surface:      #0a1628;
  --bg-card:         #0f2035;
  --bg-card-hover:   #132844;
  --bg-input:        #0a1628;

  --accent-primary:  #f97316;
  --accent-primary-hover: #fb923c;
  --accent-glow:     rgba(249,115,22,0.12);
  --accent-cyan:     #38bdf8;
  --accent-cyan-dim: rgba(56,189,248,0.08);
  --accent-green:    #4ade80;
  --accent-gold:     #fbbf24;
  --accent-red:      #f87171;

  --text-primary:    #e8f0fa;
  --text-secondary:  #7da8cc;
  --text-muted:      #3d6080;
  --text-inverse:    #060f1c;
  --text-nav:        rgba(255,255,255,0.85);

  --border:          rgba(56,189,248,0.16);
  --border-subtle:   rgba(255,255,255,0.07);
  --border-cyan:     rgba(56,189,248,0.22);

  --shadow-card:    0 2px 12px rgba(0,0,0,0.5);
  --shadow-nav:     0 2px 16px rgba(0,0,0,0.5);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; }
body {
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}
h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.35rem, 2.5vw, 1.9rem); }
h3 { font-size: clamp(1.05rem, 1.8vw, 1.3rem); }
h4 { font-size: 1.02rem; }
.mono { font-family: var(--font-mono); }
.text-primary   { color: var(--text-primary) !important; }
.text-secondary { color: var(--text-secondary) !important; }
.text-muted     { color: var(--text-muted) !important; }
.text-accent    { color: var(--accent-primary) !important; }
.text-cyan      { color: var(--accent-cyan) !important; }
.text-green     { color: var(--accent-green) !important; }
.text-gold      { color: var(--accent-gold) !important; }
.text-red       { color: var(--accent-red) !important; }
.text-navy      { color: var(--navy) !important; }
[data-theme="dark"] .text-navy { color: var(--accent-cyan) !important; }

/* ── Layout ── */
.container     { max-width: 1280px; margin: 0 auto; padding: 0 20px; }
.container-sm  { max-width: 960px;  margin: 0 auto; padding: 0 20px; }
.section       { padding: 56px 0; }
.section-sm    { padding: 36px 0; }
.grid-2  { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
.grid-3  { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.grid-4  { display: grid; grid-template-columns: repeat(4,1fr); gap: 16px; }
.flex         { display: flex; }
.flex-center  { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.gap-8   { gap: 8px; }
.gap-12  { gap: 12px; }
.gap-16  { gap: 16px; }
.gap-24  { gap: 24px; }

/* ── Header / Navbar — Navy bar like preview ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--navy);
  box-shadow: var(--shadow-nav);
}
[data-theme="dark"] .site-header { background: #050e1a; }

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  gap: 20px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo .logo-icon {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: var(--accent-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 15px;
  color: #fff;
  letter-spacing: -1px;
}
.nav-logo .logo-text {
  font-weight: 700;
  font-size: 1.2rem;
  color: #fff;
  letter-spacing: -0.01em;
}
.nav-logo .logo-text span { color: var(--accent-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2px;
  flex: 1;
}
.nav-links a {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-nav);
  padding: 5px 11px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.nav-links a:hover,
.nav-links a.active {
  color: #fff;
  background: rgba(255,255,255,0.12);
}
.nav-links a.active { color: var(--accent-primary); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.nav-search-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.7);
  transition: background var(--transition), color var(--transition);
}
.nav-search-btn:hover { background: rgba(255,255,255,0.18); color: #fff; }

/* ── Theme Toggle ── */
.nav-theme-btn {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  color: rgba(255,255,255,0.8);
  cursor: pointer;
  transition: background var(--transition), color var(--transition);
}
.nav-theme-btn:hover { background: rgba(255,255,255,0.18); color: #fff; }

/* ── Ticker / Alert Bar ── */
.ticker-bar {
  background: var(--navy-mid);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  padding: 6px 0;
  overflow: hidden;
}
[data-theme="dark"] .ticker-bar { background: #060f1c; }
.ticker-inner { display: flex; align-items: center; gap: 14px; }
.ticker-label {
  background: var(--accent-primary);
  color: #fff;
  font-weight: 700;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  flex-shrink: 0;
}
.ticker-track { flex: 1; overflow: hidden; }
.ticker-content {
  display: flex;
  gap: 32px;
  white-space: nowrap;
  overflow-x: auto;
  scrollbar-width: none;
}
.ticker-content::-webkit-scrollbar { display: none; }
.ticker-content a { font-size: 0.78rem; color: rgba(255,255,255,0.65); flex-shrink: 0; }
.ticker-content a:hover { color: var(--accent-primary); }
.ticker-content a::before { content: '▸ '; color: var(--accent-primary); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  cursor: pointer;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-primary-hover); }
.btn-navy {
  background: var(--navy);
  color: #fff;
}
.btn-navy:hover { background: var(--navy-mid); }
[data-theme="dark"] .btn-navy { background: var(--blue); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--accent-primary);
}
.btn-outline:hover { background: var(--accent-glow); border-color: var(--accent-primary); }
.btn-ghost {
  background: var(--bg-surface);
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover { background: var(--bg-card-hover); color: var(--text-primary); }
.btn-blue {
  background: var(--blue);
  color: #fff;
}
.btn-blue:hover { background: #0062d6; }
.btn-cyan {
  background: var(--accent-cyan);
  color: #fff;
}
.btn-cyan:hover { opacity: 0.88; }
.btn-sm  { padding: 5px 13px; font-size: 0.78rem; }
.btn-lg  { padding: 12px 26px; font-size: 1rem; }
.btn-icon { padding: 9px; }

/* ── Cards ── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.card:hover { box-shadow: 0 4px 20px rgba(10,37,64,0.12); border-color: var(--border); }
[data-theme="dark"] .card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.5); }
.card-body   { padding: 18px; }
.card-header { padding: 14px 18px; border-bottom: 1px solid var(--border-subtle); }
.card-footer { padding: 12px 18px; border-top: 1px solid var(--border-subtle); background: var(--bg-surface); }

/* ── Badges / Tags ── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 9px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.badge-orange { background: rgba(249,115,22,0.10); color: var(--accent-primary);  border: 1px solid rgba(249,115,22,0.25); }
.badge-cyan   { background: rgba(2,132,199,0.10);  color: var(--accent-cyan);      border: 1px solid rgba(2,132,199,0.25); }
.badge-green  { background: rgba(22,163,74,0.10);  color: var(--accent-green);     border: 1px solid rgba(22,163,74,0.25); }
.badge-gold   { background: rgba(217,119,6,0.10);  color: var(--accent-gold);      border: 1px solid rgba(217,119,6,0.25); }
.badge-red    { background: rgba(220,38,38,0.10);  color: var(--accent-red);       border: 1px solid rgba(220,38,38,0.25); }
.badge-navy   { background: rgba(10,37,64,0.10);   color: var(--navy);             border: 1px solid rgba(10,37,64,0.20); }
.badge-muted  { background: var(--bg-surface);     color: var(--text-muted);       border: 1px solid var(--border-subtle); }

[data-theme="dark"] .badge-orange { color: #fb923c; background: rgba(249,115,22,0.12); }
[data-theme="dark"] .badge-cyan   { color: var(--accent-cyan); background: rgba(56,189,248,0.10); border-color: rgba(56,189,248,0.25); }
[data-theme="dark"] .badge-green  { color: var(--accent-green); background: rgba(74,222,128,0.10); border-color: rgba(74,222,128,0.25); }
[data-theme="dark"] .badge-navy   { color: var(--accent-cyan); background: rgba(56,189,248,0.08); border-color: rgba(56,189,248,0.18); }

/* ── Tag Pill ── */
.tag {
  display: inline-block;
  padding: 4px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.77rem;
  color: var(--text-secondary);
  box-shadow: var(--shadow-card);
  transition: all var(--transition);
}
.tag:hover { border-color: var(--accent-primary); color: var(--accent-primary); background: var(--accent-glow); }
.tag.active { background: var(--accent-primary); border-color: var(--accent-primary); color: #fff; }

/* ── Section Heading ── */
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 28px;
  gap: 16px;
}
.section-heading h2 {
  position: relative;
  padding-left: 14px;
}
.section-heading h2::before {
  content: '';
  position: absolute;
  left: 0; top: 50%;
  transform: translateY(-50%);
  width: 4px; height: 70%;
  background: var(--accent-primary);
  border-radius: 2px;
}
.section-label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--accent-primary);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 5px;
  display: block;
}

/* ── Divider ── */
.divider { height: 1px; background: var(--border-subtle); margin: 28px 0; }

/* ── Search Bar ── */
.search-bar {
  display: flex;
  align-items: center;
  background: var(--bg-input);
  border: 2px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 0 4px 0 14px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition);
}
.search-bar:focus-within { border-color: var(--blue); }
.search-bar input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: var(--text-primary);
  padding: 11px 0;
}
.search-bar input::placeholder { color: var(--text-muted); }
.search-bar .search-btn {
  background: var(--accent-primary);
  color: #fff;
  border-radius: 4px;
  padding: 8px 16px;
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  transition: background var(--transition);
}
.search-bar .search-btn:hover { background: var(--accent-primary-hover); }

/* ── Stat Block ── */
.stat-block .stat-number {
  font-weight: 800;
  font-size: 1.9rem;
  line-height: 1;
  color: var(--text-primary);
}
.stat-block .stat-label {
  font-size: 0.74rem;
  color: var(--text-secondary);
  margin-top: 3px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ── Job Card ── */
.job-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  display: flex;
  gap: 14px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), border-color var(--transition);
  position: relative;
}
.job-card:hover { box-shadow: 0 4px 20px rgba(10,37,64,0.10); border-color: var(--border); }
[data-theme="dark"] .job-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.4); }
.job-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--blue-dim);
  border: 1px solid rgba(0,119,255,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
[data-theme="dark"] .job-card-icon { background: rgba(56,189,248,0.08); border-color: rgba(56,189,248,0.18); }
.job-card-body { flex: 1; min-width: 0; }
.job-card-body h4 { font-size: 0.98rem; margin-bottom: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.job-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
  font-size: 0.75rem;
  color: var(--text-secondary);
}
.job-card-meta span { display: flex; align-items: center; gap: 4px; }
.job-card-actions { display: flex; flex-direction: column; align-items: flex-end; gap: 7px; flex-shrink: 0; }

/* ── Sidebar ── */
.sidebar {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-card);
  height: fit-content;
  position: sticky;
  top: 74px;
}
.filter-group { margin-bottom: 22px; }
.filter-group:last-child { margin-bottom: 0; }
.filter-group-title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: var(--navy);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 2px solid var(--accent-primary);
  display: inline-block;
}
[data-theme="dark"] .filter-group-title { color: var(--accent-cyan); }
.filter-option {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 0;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--text-secondary);
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition);
}
.filter-option:last-child { border-bottom: none; }
.filter-option:hover { color: var(--accent-primary); }
.filter-option.active { color: var(--accent-primary); font-weight: 600; }
.filter-count { font-family: var(--font-mono); font-size: 0.68rem; color: var(--text-muted); }

/* ── Table ── */
.data-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; }
.data-table th {
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-inverse);
  text-align: left;
  padding: 11px 14px;
  background: var(--navy);
}
[data-theme="dark"] .data-table th { background: var(--navy-mid); }
.data-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-primary);
  vertical-align: middle;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr { transition: background var(--transition); }
.data-table tbody tr:hover { background: var(--blue-dim); }
[data-theme="dark"] .data-table tbody tr:hover { background: var(--bg-card-hover); }

/* ── Progress Bar ── */
.progress-bar { height: 5px; background: var(--bg-surface); border-radius: var(--radius-full); overflow: hidden; }
.progress-fill { height: 100%; border-radius: var(--radius-full); background: var(--accent-primary); }
.progress-fill.cyan  { background: var(--accent-cyan); }
.progress-fill.green { background: var(--accent-green); }
.progress-fill.navy  { background: var(--navy); }
[data-theme="dark"] .progress-fill.navy { background: var(--blue); }

/* ── Tabs ── */
.tabs {
  display: flex;
  gap: 2px;
  border-bottom: 2px solid var(--border-subtle);
  margin-bottom: 24px;
}
.tab-btn {
  font-weight: 600;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  padding: 9px 16px;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color var(--transition), border-color var(--transition);
}
.tab-btn.active { color: var(--navy); border-bottom-color: var(--accent-primary); }
[data-theme="dark"] .tab-btn.active { color: var(--accent-cyan); }
.tab-btn:hover { color: var(--text-primary); }

/* ── Form elements ── */
.form-group { margin-bottom: 18px; }
.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.form-control {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-primary);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  -webkit-appearance: none;
}
.form-control:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0,119,255,0.10); }
[data-theme="dark"] .form-control:focus { box-shadow: 0 0 0 3px rgba(56,189,248,0.12); }
.form-control option { background: var(--bg-card); }

/* ── Alert ── */
.alert {
  display: flex;
  gap: 10px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  font-size: 0.86rem;
  margin-bottom: 14px;
  border-left: 3px solid currentColor;
}
.alert-info    { background: rgba(2,132,199,0.07);  border-color: var(--accent-cyan);  color: var(--accent-cyan); }
.alert-warn    { background: rgba(217,119,6,0.07);  border-color: var(--accent-gold);  color: var(--accent-gold); }
.alert-success { background: rgba(22,163,74,0.07);  border-color: var(--accent-green); color: var(--accent-green); }
.alert-navy    { background: rgba(10,37,64,0.05);   border-color: var(--navy);         color: var(--navy); }
[data-theme="dark"] .alert-navy { background: rgba(56,189,248,0.06); border-color: var(--accent-cyan); color: var(--accent-cyan); }

/* ── Page Hero ── */
.page-hero {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-mid) 100%);
  padding: 40px 0 32px;
  color: #fff;
  position: relative;
}
.page-hero h1,
.page-hero h2,
.page-hero h3 { color: #fff; }
.page-hero .section-label { color: var(--accent-primary); }

/* Breadcrumb — white on hero */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.55);
  margin-bottom: 14px;
}
.breadcrumb a { color: rgba(255,255,255,0.7); transition: color var(--transition); }
.breadcrumb a:hover { color: var(--accent-primary); }
.breadcrumb .sep { color: rgba(255,255,255,0.35); }
.breadcrumb .current { color: var(--accent-primary); }

/* ── Pagination ── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 5px; margin-top: 36px; }
.page-btn {
  width: 34px; height: 34px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.82rem;
  box-shadow: var(--shadow-card);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.page-btn:hover { border-color: var(--blue); color: var(--blue); }
.page-btn.active { background: var(--navy); border-color: var(--navy); color: #fff; font-weight: 700; }
[data-theme="dark"] .page-btn.active { background: var(--blue); border-color: var(--blue); }

/* ── Footer — Navy like preview ── */
.site-footer {
  background: var(--navy);
  color: rgba(255,255,255,0.8);
  padding: 52px 0 0;
  margin-top: 64px;
}
[data-theme="dark"] .site-footer { background: #050e1a; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 40px;
}
.footer-brand .logo-text {
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: 12px;
  color: #fff;
}
.footer-brand .logo-text span { color: var(--accent-primary); }
.footer-brand p { font-size: 0.86rem; line-height: 1.7; margin-bottom: 18px; max-width: 280px; color: rgba(255,255,255,0.65); }
.footer-col h5 {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: #fff;
  margin-bottom: 14px;
}
.footer-col a {
  display: block;
  font-size: 0.83rem;
  color: rgba(255,255,255,0.6);
  padding: 4px 0;
  transition: color var(--transition);
}
.footer-col a:hover { color: var(--accent-primary); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.10);
  padding: 18px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.4);
}
.footer-bottom-links { display: flex; gap: 18px; }
.footer-bottom-links a { color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-bottom-links a:hover { color: var(--accent-primary); }

/* ── Radar (static) ── */
.radar-wrap { position: relative; width: 280px; height: 280px; flex-shrink: 0; }
.radar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
}
.radar-ring:nth-child(1) { width: 70px;  height: 70px; }
.radar-ring:nth-child(2) { width: 140px; height: 140px; }
.radar-ring:nth-child(3) { width: 210px; height: 210px; }
.radar-ring:nth-child(4) { width: 280px; height: 280px; }
.radar-crosshair-h { position: absolute; top: 50%; left: 0; right: 0; height: 1px; background: rgba(255,255,255,0.10); }
.radar-crosshair-v { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: rgba(255,255,255,0.10); }
.radar-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); width: 10px; height: 10px; border-radius: 50%; background: var(--accent-primary); }
.radar-dot { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: var(--accent-primary); }
.radar-dot-1 { top: 28%; left: 62%; }
.radar-dot-2 { top: 55%; left: 35%; }
.radar-dot-3 { top: 68%; left: 70%; }

/* ── Tool Card ── */
.tool-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-card);
  transition: box-shadow var(--transition), border-color var(--transition);
}
.tool-card:hover { box-shadow: 0 4px 20px rgba(0,119,255,0.10); border-color: var(--border-cyan); }
[data-theme="dark"] .tool-card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.4); }
.tool-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-md);
  background: var(--blue-dim);
  border: 1px solid rgba(0,119,255,0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  margin-bottom: 14px;
}
[data-theme="dark"] .tool-icon { background: rgba(56,189,248,0.08); border-color: rgba(56,189,248,0.20); }
.tool-card h4 { font-size: 0.97rem; margin-bottom: 6px; }
.tool-card p  { font-size: 0.81rem; color: var(--text-secondary); line-height: 1.55; margin-bottom: 14px; }

/* ── Live dot ── */
.live-dot { display: inline-block; width: 6px; height: 6px; border-radius: 50%; background: #22c55e; }
@media (prefers-reduced-motion: no-preference) {
  .live-dot { animation: blink 1.6s ease-in-out infinite; }
  @keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0.25; } }
}

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

/* ── Utility ── */
.mt-4  { margin-top: 4px; }   .mb-4  { margin-bottom: 4px; }
.mt-8  { margin-top: 8px; }   .mb-8  { margin-bottom: 8px; }
.mt-12 { margin-top: 12px; }  .mb-12 { margin-bottom: 12px; }
.mt-16 { margin-top: 16px; }  .mb-16 { margin-bottom: 16px; }
.mt-24 { margin-top: 24px; }  .mb-24 { margin-bottom: 24px; }
.mt-32 { margin-top: 32px; }  .mb-32 { margin-bottom: 32px; }
.mt-48 { margin-top: 48px; }
.text-center { text-align: center; }
.text-right  { text-align: right; }
.w-full  { width: 100%; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hidden  { display: none !important; }
.relative { position: relative; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .section { padding: 40px 0; }
  .radar-wrap { width: 200px; height: 200px; }
}