/* =============================================
   REFRESH RATE TESTER — STYLES
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;900&family=JetBrains+Mono:wght@400;700&display=swap');

/* ── CSS Variables ── */
:root {
  --bg: #0a0a0f;
  --bg2: #12121c;
  --bg3: #1a1a28;
  --card: rgba(255,255,255,0.04);
  --card-border: rgba(255,255,255,0.08);
  --text: #f0f0ff;
  --text-muted: #8888aa;
  --accent: #6c63ff;
  --accent2: #00d4aa;
  --accent3: #ff6b6b;
  --accent4: #ffd166;
  --glow: rgba(108,99,255,0.3);
  --danger: #ff4757;
  --warn: #ffa502;
  --success: #2ed573;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --font: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', 'Courier New', monospace;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
  --bg: #f0f0f8;
  --bg2: #e4e4f0;
  --bg3: #d8d8ec;
  --card: rgba(255,255,255,0.7);
  --card-border: rgba(0,0,0,0.08);
  --text: #1a1a2e;
  --text-muted: #555577;
  --glow: rgba(108,99,255,0.15);
  --shadow: 0 8px 32px rgba(0,0,0,0.12);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  transition: background var(--transition), color var(--transition);
}
img, svg { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ── Nav ── */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; height: 64px;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
  transition: background var(--transition);
}
[data-theme="light"] .nav { background: rgba(240,240,248,0.85); }
.nav-brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; }
.nav-brand svg { color: var(--accent); }
.nav-links { display: flex; gap: 2px; align-items: center; flex-wrap: nowrap; overflow: visible; }
.nav-links a { color: var(--text-muted); font-size: .82rem; padding: 6px 10px; border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition); white-space: nowrap; display: flex; align-items: center; gap: 5px; text-decoration: none; }
.nav-links a:hover { color: var(--text); background: var(--card); text-decoration: none; }
.nav-links a.active-tool { color: var(--accent); background: rgba(108,99,255,0.1); font-weight: 600; }
.nav-links .tool-icon { font-size: .95rem; }

.nav-right { display: flex; align-items: center; gap: 12px; }
.theme-toggle { background: var(--card); border: 1px solid var(--card-border); border-radius: 50px; padding: 6px 14px; cursor: pointer; color: var(--text-muted); font-size: .85rem; display: flex; align-items: center; gap: 6px; transition: all var(--transition); }
.theme-toggle:hover { color: var(--text); border-color: var(--accent); }
.btn-fullscreen { background: var(--accent); color: #fff; border: none; border-radius: 50px; padding: 8px 18px; cursor: pointer; font-size: .85rem; font-weight: 600; display: flex; align-items: center; gap: 6px; transition: all var(--transition); }
.btn-fullscreen:hover { opacity: .85; transform: translateY(-1px); }

/* ── Hero ── */
.hero { padding: 100px 24px 48px; text-align: center; max-width: 900px; margin: 0 auto; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; background: var(--card); border: 1px solid var(--card-border); border-radius: 50px; padding: 4px 14px; font-size: .8rem; color: var(--accent); margin-bottom: 20px; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 900; line-height: 1.1; margin-bottom: 14px; background: linear-gradient(135deg, var(--text), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { color: var(--text-muted); font-size: 1.1rem; max-width: 600px; margin: 0 auto 30px; }

/* ── Main Dashboard ── */
.dashboard { max-width: 1200px; margin: 0 auto; padding: 0 24px 60px; }

/* Big Hz Display */
.hz-hero { text-align: center; padding: 40px 20px; }
.hz-value {
  font-size: clamp(5rem, 18vw, 12rem);
  font-weight: 900;
  font-family: var(--mono);
  line-height: 1;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 40px var(--glow));
  transition: filter .3s;
}
.hz-unit { font-size: 1.4rem; color: var(--text-muted); margin-top: 4px; letter-spacing: 4px; text-transform: uppercase; }
.hz-status { display: inline-flex; align-items: center; gap: 8px; margin-top: 16px; padding: 6px 18px; background: var(--card); border: 1px solid var(--card-border); border-radius: 50px; font-size: .85rem; }
.status-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); animation: pulse 1.4s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; transform: scale(1); } 50% { opacity: .5; transform: scale(.8); } }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 24px 0; }
.stat-card {
  background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius);
  padding: 20px; text-align: center; position: relative; overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
}
.stat-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.stat-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; background: linear-gradient(90deg, var(--accent), var(--accent2)); opacity: 0; transition: opacity var(--transition); }
.stat-card:hover::before { opacity: 1; }
.stat-icon { font-size: 1.4rem; margin-bottom: 10px; }
.stat-label { font-size: .75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.stat-value { font-size: 1.6rem; font-weight: 700; font-family: var(--mono); color: var(--text); }
.stat-unit { font-size: .75rem; color: var(--text-muted); }

/* Live Graph */
.graph-section { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 24px; margin: 24px 0; }
.graph-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.graph-title { font-weight: 600; font-size: 1rem; }
.graph-legend { display: flex; gap: 16px; font-size: .78rem; color: var(--text-muted); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.legend-dot { width: 8px; height: 8px; border-radius: 50%; }
#fpsGraph { width: 100%; height: 120px; }

/* Test Mode Tabs */
.mode-tabs { display: flex; gap: 8px; flex-wrap: wrap; margin: 24px 0 16px; justify-content: center; }
.mode-tab { background: var(--card); border: 1px solid var(--card-border); border-radius: 50px; padding: 8px 20px; cursor: pointer; font-size: .88rem; color: var(--text-muted); transition: all var(--transition); white-space: nowrap; }
.mode-tab:hover { color: var(--text); border-color: var(--accent); }
.mode-tab.active { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }

/* Test Panels */
.test-panel { display: none; animation: fadeIn .3s ease; }
.test-panel.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* Animation Track */
.animation-track {
  background: var(--bg2); border: 1px solid var(--card-border); border-radius: var(--radius);
  height: 120px; position: relative; overflow: hidden; margin-bottom: 16px;
}
.ufo-ball {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  box-shadow: 0 0 20px var(--glow);
  display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
}
.track-label { position: absolute; top: 8px; right: 12px; font-size: .7rem; color: var(--text-muted); font-family: var(--mono); }

/* Smoothness Comparison */
.smoothness-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 16px 0; }
.smooth-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 16px; }
.smooth-label { font-size: .8rem; color: var(--text-muted); margin-bottom: 10px; display: flex; align-items: center; gap: 6px; }
.smooth-track { background: var(--bg2); border-radius: var(--radius-sm); height: 60px; position: relative; overflow: hidden; }
.smooth-ball { position: absolute; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%; }

/* Frame Skip Test */
.frameskip-display { background: var(--bg2); border-radius: var(--radius); padding: 24px; text-align: center; }
.frameskip-count { font-size: 3rem; font-weight: 900; font-family: var(--mono); }
.frameskip-bars { display: flex; gap: 3px; height: 60px; align-items: flex-end; margin-top: 20px; }
.frameskip-bar { flex: 1; border-radius: 3px 3px 0 0; min-width: 4px; transition: height .1s; }

/* Motion Blur Test */
.blur-canvas-wrap { background: #000; border-radius: var(--radius); overflow: hidden; }
#motionCanvas { width: 100%; height: 160px; display: block; }

/* Device Info */
.device-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 12px; }
.device-item { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-sm); padding: 14px 16px; }
.device-key { font-size: .72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.device-val { font-size: .95rem; font-weight: 600; font-family: var(--mono); word-break: break-all; }

/* Warning Banner */
.perf-warning { display: none; align-items: center; gap: 12px; background: rgba(255,71,87,0.12); border: 1px solid rgba(255,71,87,0.3); border-radius: var(--radius-sm); padding: 14px 18px; margin: 16px 0; color: var(--danger); font-size: .9rem; }
.perf-warning.show { display: flex; }

/* Tips Cards */
.tips-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 16px 0; }
.tip-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius-sm); padding: 16px; display: flex; gap: 12px; }
.tip-icon { font-size: 1.4rem; flex-shrink: 0; }
.tip-text { font-size: .85rem; color: var(--text-muted); }
.tip-text strong { color: var(--text); display: block; margin-bottom: 2px; }

/* Share / Embed */
.actions-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0; justify-content: center; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 22px; border-radius: 50px; border: none; cursor: pointer; font-size: .88rem; font-weight: 600; font-family: var(--font); transition: all var(--transition); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { opacity: .85; transform: translateY(-1px); }
.btn-outline { background: transparent; border: 1px solid var(--card-border); color: var(--text); }
.btn-outline:hover { border-color: var(--accent); background: var(--card); }
.embed-box { background: var(--bg2); border: 1px solid var(--card-border); border-radius: var(--radius-sm); padding: 14px; font-family: var(--mono); font-size: .78rem; color: var(--text-muted); white-space: pre; overflow-x: auto; margin-top: 10px; display: none; }

/* Section Divider */
.section { max-width: 1200px; margin: 0 auto; padding: 48px 24px; }
.section-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 8px; text-align: center; display: flex; align-items: center; justify-content: center; gap: 10px; }
.section-sub { color: var(--text-muted); margin-bottom: 28px; text-align: center; }
hr.divider { border: none; border-top: 1px solid var(--card-border); margin: 0; }

/* Content Cards */
.content-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 20px; }
.content-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 24px; }
.content-card h3 { font-size: 1.05rem; margin-bottom: 10px; }
.content-card p { font-size: .9rem; color: var(--text-muted); }

/* Prose Section (long-form article) */
.prose-section { max-width: 860px; margin: 0 auto; }
.prose-section h1 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 18px; line-height: 1.25; background: linear-gradient(135deg, var(--text), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.prose-section h3 { font-size: 1.25rem; font-weight: 700; margin: 40px 0 14px; padding-left: 16px; border-left: 3px solid var(--accent); color: var(--text); }
.prose-section p { font-size: .97rem; color: var(--text-muted); line-height: 1.85; margin-bottom: 10px; }
.prose-section strong { color: var(--text); font-weight: 600; }
.prose-section em { color: var(--accent2); font-style: normal; }
.prose-section code { background: var(--bg3); color: var(--accent2); padding: 1px 6px; border-radius: 4px; font-family: var(--mono); font-size: .88em; }

/* Affiliate */
.affiliate-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.affiliate-card { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 20px; text-align: center; }
.affiliate-card .price { font-size: 1.4rem; font-weight: 700; color: var(--accent); margin: 8px 0; }
.affiliate-card .badge { display: inline-block; background: var(--accent3); color: #fff; font-size: .7rem; padding: 2px 8px; border-radius: 50px; margin-bottom: 8px; }
.affiliate-card h4 { margin-bottom: 4px; font-size: .95rem; }
.affiliate-card p { font-size: .8rem; color: var(--text-muted); margin-bottom: 14px; }
.btn-affiliate { background: #6c63ff; color: #fff; border: none; border-radius: 50px; padding: 8px 20px; cursor: pointer; font-size: .85rem; font-weight: 600; width: 100%; transition: opacity var(--transition); }
.btn-affiliate:hover { opacity: .85; }

/* Email Capture */
.email-section { background: linear-gradient(135deg, var(--bg3), var(--bg2)); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 48px 32px; text-align: center; margin: 0 24px; max-width: 700px; margin-left: auto; margin-right: auto; }
.email-section h2 { font-size: 1.8rem; margin-bottom: 10px; }
.email-section p { color: var(--text-muted); margin-bottom: 24px; }
.email-form { display: flex; gap: 10px; max-width: 450px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.email-form input { flex: 1; min-width: 200px; background: var(--card); border: 1px solid var(--card-border); border-radius: 50px; padding: 12px 20px; color: var(--text); font-family: var(--font); font-size: .9rem; outline: none; transition: border-color var(--transition); }
.email-form input:focus { border-color: var(--accent); }
.email-form button { background: var(--accent); color: #fff; border: none; border-radius: 50px; padding: 12px 24px; cursor: pointer; font-weight: 600; font-size: .9rem; transition: opacity var(--transition); }
.email-form button:hover { opacity: .85; }

/* AdSense Placeholders */
.ad-unit { background: var(--card); border: 1px dashed var(--card-border); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--text-muted); font-size: .75rem; text-align: center; }
.ad-banner { height: 90px; margin: 24px auto; max-width: 728px; }
.ad-square { width: 300px; height: 250px; margin: 0 auto; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { border: 1px solid var(--card-border); border-radius: var(--radius-sm); margin-bottom: 10px; overflow: hidden; }
.faq-q { width: 100%; background: var(--card); border: none; color: var(--text); font-family: var(--font); font-size: .95rem; font-weight: 600; padding: 18px 20px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: background var(--transition); }
.faq-q:hover { background: var(--bg3); }
.faq-q span { font-size: 1.1rem; transition: transform var(--transition); }
.faq-q.open span { transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s; }
.faq-a.open { max-height: 300px; padding: 0 20px 18px; }
.faq-a p { font-size: .9rem; color: var(--text-muted); }

/* Footer */
.footer { background: var(--bg2); border-top: 1px solid var(--card-border); padding: 40px 24px 24px; margin-top: 60px; }
.footer-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-bottom: 32px; }
.footer-brand p { font-size: .85rem; color: var(--text-muted); margin-top: 8px; }
.footer-col h4 { font-size: .9rem; font-weight: 600; margin-bottom: 12px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { font-size: .85rem; color: var(--text-muted); }
.footer-col ul li a:hover { color: var(--accent); text-decoration: none; }
.footer-bottom { max-width: 1200px; margin: 0 auto; border-top: 1px solid var(--card-border); padding-top: 20px; display: flex; flex-direction: column; justify-content: center; align-items: center; font-size: .8rem; color: var(--text-muted); gap: 8px; text-align: center; }
.disclaimer { max-width: 700px; font-size: .78rem; color: var(--text-muted); text-align: center; margin: 0 auto 16px; }

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

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hz-value { font-size: clamp(4rem, 22vw, 8rem); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .actions-row { flex-direction: column; }
  .email-section { padding: 32px 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .smoothness-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-right .btn-fullscreen span { display: none; }
}

/* Highlight color classes */
.color-accent { color: var(--accent); }
.color-green { color: var(--accent2); }
.color-red { color: var(--danger); }
.color-warn { color: var(--warn); }

/* Skeleton loader for Hz on load */
.skeleton { background: linear-gradient(90deg, var(--bg2) 25%, var(--bg3) 50%, var(--bg2) 75%); background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: 8px; }
@keyframes shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* Leaderboard */
.leaderboard { background: var(--card); border: 1px solid var(--card-border); border-radius: var(--radius); padding: 24px; max-width: 600px; margin: 0 auto; }
.lb-row { display: flex; align-items: center; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--card-border); font-size: .9rem; }
.lb-row:last-child { border: none; }
.lb-rank { font-weight: 700; font-family: var(--mono); width: 24px; color: var(--text-muted); }
.lb-hz { font-weight: 700; font-family: var(--mono); margin-left: auto; color: var(--accent); }
.lb-device { font-size: .8rem; color: var(--text-muted); }

/* Pulse animation for high Hz */
.hz-high { animation: hzGlow 2s ease-in-out infinite; }
@keyframes hzGlow {
  0%, 100% { filter: drop-shadow(0 0 30px rgba(0,212,170,0.3)); }
  50% { filter: drop-shadow(0 0 60px rgba(0,212,170,0.6)); }
}

/* Verification progress ring */
.progress-ring { display: none; justify-content: center; margin: 16px 0; }
.progress-ring.show { display: flex; }
.ring-wrap { position: relative; width: 80px; height: 80px; }
.ring-wrap svg { transform: rotate(-90deg); }
.ring-center { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%); font-size: .75rem; font-weight: 700; font-family: var(--mono); color: var(--accent); }

/* ── Dropdown ── */
.nav-dropdown { position: relative; display: flex; align-items: center; height: 100%; }
.nav-dropdown-btn { background: transparent; border: none; color: var(--text-muted); font-size: .82rem; font-family: var(--font); padding: 6px 10px; cursor: pointer; display: flex; align-items: center; border-radius: var(--radius-sm); transition: color var(--transition), background var(--transition); }
.nav-dropdown-btn:hover { color: var(--text); background: var(--card); }
.nav-dropdown-menu { position: absolute; top: 40px; right: 0; background: var(--bg2); border: 1px solid var(--card-border); border-radius: var(--radius-sm); box-shadow: var(--shadow); width: 220px; max-height: 400px; overflow-y: auto; padding: 10px 0; display: none; flex-direction: column; z-index: 1000; }
.nav-dropdown.open .nav-dropdown-menu { display: flex; }
.nav-dropdown-menu a { padding: 10px 16px !important; color: var(--text-muted) !important; text-decoration: none; border-radius: 0 !important; width: 100%; display: block; background: transparent !important; }
.nav-dropdown-menu a:hover { background: rgba(108,99,255,0.1) !important; color: var(--accent) !important; }
.nav-dropdown-menu a.active-tool { color: var(--accent) !important; background: rgba(108,99,255,0.05) !important; font-weight: 600; }

/* ── Blog Listing Page ── */
.cat-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 1200px;
  margin: 0 auto 32px;
  padding: 0 24px;
  justify-content: center;
}
.cat-filter-btn {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 50px;
  padding: 8px 20px;
  cursor: pointer;
  font-size: .85rem;
  font-family: var(--font);
  color: var(--text-muted);
  transition: all var(--transition);
  white-space: nowrap;
}
.cat-filter-btn:hover { color: var(--text); border-color: var(--accent); }
.cat-filter-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
  opacity: 1 !important;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px 80px;
}
.blog-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.blog-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 40px rgba(108,99,255,0.15);
}
.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--card-border);
}
.blog-card-body {
  padding: 20px 20px 12px;
  flex: 1;
}
.blog-card-body h2 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin: 10px 0 8px;
  color: var(--text);
}
.blog-card-body p {
  font-size: .85rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.blog-card-footer {
  padding: 12px 20px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--card-border);
  margin-top: auto;
}
.blog-read-more {
  font-size: .82rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap var(--transition);
}
.blog-read-more:hover {
  gap: 8px;
  text-decoration: none;
}

/* Blog cat-badge additions for testing */
.cat-badge.cat-testing { background: rgba(255,209,102,0.15); color: var(--accent4); border-color: rgba(255,209,102,0.3); }

@media (max-width: 768px) {
  .blog-grid { grid-template-columns: 1fr; padding: 0 16px 60px; }
  .cat-filter { padding: 0 16px; }
}

/* ── Blog Article Page ── */
.article-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 100px 24px 80px;
}
.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-muted);
  font-size: .88rem;
  margin-bottom: 24px;
  text-decoration: none;
  transition: color var(--transition);
}
.back-to-blog:hover { color: var(--accent); text-decoration: none; }

.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.article-meta time {
  font-size: .82rem;
  color: var(--text-muted);
}
.cat-badge {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 3px 12px;
  border-radius: 50px;
  background: rgba(108,99,255,0.18);
  color: var(--accent);
  border: 1px solid rgba(108,99,255,0.3);
}
.cat-badge.cat-howto { background: rgba(0,212,170,0.15); color: var(--accent2); border-color: rgba(0,212,170,0.3); }
.cat-badge.cat-buying { background: rgba(255,209,102,0.15); color: var(--accent4); border-color: rgba(255,209,102,0.3); }
.cat-badge.cat-explained { background: rgba(108,99,255,0.15); color: var(--accent); border-color: rgba(108,99,255,0.3); }
.cat-badge.cat-gaming { background: rgba(255,107,107,0.15); color: var(--accent3); border-color: rgba(255,107,107,0.3); }

.article-author {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
  padding: 16px 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
}
.author-avatar {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .9rem; color: #fff;
  flex-shrink: 0;
}
.author-name { font-weight: 700; font-size: .95rem; }
.author-title { font-size: .8rem; color: var(--text-muted); }

.article-hero-img {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: 36px;
  object-fit: cover;
  max-height: 420px;
  border: 1px solid var(--card-border);
}

.article-body {
  font-size: 1rem;
  line-height: 1.85;
  color: var(--text-muted);
}
.article-body h2 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text);
  margin: 40px 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--card-border);
}
.article-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  margin: 30px 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--accent);
}
.article-body p { margin-bottom: 16px; }
.article-body ul, .article-body ol {
  padding-left: 22px;
  margin-bottom: 16px;
}
.article-body li { margin-bottom: 8px; }
.article-body strong { color: var(--text); font-weight: 700; }
.article-body a { color: var(--accent); }
.article-body a:hover { text-decoration: underline; }

.callout {
  background: rgba(108,99,255,0.1);
  border: 1px solid rgba(108,99,255,0.3);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 24px 0;
  font-size: .93rem;
  color: var(--text);
  line-height: 1.7;
}
.callout strong { color: var(--accent); }

.author-card {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 28px 24px;
  margin-top: 48px;
}
.author-card-avatar {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 1.2rem; color: #fff;
  flex-shrink: 0;
}
.author-card-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 6px; }
.author-card-info p { font-size: .87rem; color: var(--text-muted); line-height: 1.7; }

@media (max-width: 600px) {
  .article-wrap { padding: 88px 16px 60px; }
  .author-card { flex-direction: column; }
  .article-body h2 { font-size: 1.25rem; }
}