:root {
  --bg: #04070d;
  --card: #0d1420;
  --border: rgba(255,255,255,0.07);
  --accent: #00e5a0;
  --text: #e8f0f8;
  --muted: #4a6580;
  --red: #ef4444;
  --orange: #f59e0b;
  --yellow: #fbbf24;
  --green: #22c55e;
}
* { margin:0; padding:0; box-sizing:border-box; }
body { background:var(--bg); color:var(--text); font-family:'DM Sans',sans-serif; }

nav {
  background:rgba(4,7,13,0.92); backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
  padding:0 48px; height:62px;
  display:flex; align-items:center; justify-content:space-between;
  position:sticky; top:0; z-index:100;
}
.nav-brand { font-family:'Syne',sans-serif; font-weight:800; font-size:18px; color:var(--accent); }
.nav-links { display:flex; gap:24px; align-items:center; }
.nav-links a { color:var(--muted); text-decoration:none; font-size:13px; transition:color 0.2s; }
.nav-links a:hover { color:var(--text); }
.nav-btn { background:var(--accent) !important; color:#000 !important; padding:8px 20px; border-radius:6px; font-weight:600 !important; }

.guide-hero {
  background:linear-gradient(135deg,rgba(0,229,160,0.06),rgba(59,110,255,0.04));
  border-bottom:1px solid var(--border);
  padding:52px 48px; text-align:center;
}
.guide-hero-tag { font-family:'JetBrains Mono',monospace; font-size:11px; color:var(--accent); letter-spacing:2px; font-weight:600; margin-bottom:14px; }
.guide-hero h1 { font-family:'Syne',sans-serif; font-size:clamp(28px,4vw,48px); font-weight:800; letter-spacing:-2px; margin-bottom:12px; }
.guide-hero p { color:var(--muted); font-size:15px; max-width:520px; margin:0 auto; line-height:1.6; }

.agent-tabs-wrap {
  background:rgba(8,14,24,0.8); border-bottom:1px solid var(--border);
  position:sticky; top:62px; z-index:90; overflow-x:auto;
}
.agent-tabs { display:flex; padding:0 32px; min-width:max-content; }
.atab {
  padding:16px 18px; background:none; border:none;
  color:var(--muted); font-size:13px; font-weight:500;
  cursor:pointer; border-bottom:2px solid transparent;
  transition:all 0.2s; white-space:nowrap; font-family:'DM Sans',sans-serif;
}
.atab:hover { color:var(--text); }
.atab.active { color:var(--accent); border-bottom-color:var(--accent); }

.guide-body { max-width:860px; margin:0 auto; padding:48px 32px; }
.guide-panel { display:none; }
.guide-panel.active { display:block; }

.panel-header { display:flex; gap:20px; align-items:flex-start; margin-bottom:28px; }
.panel-icon { width:52px; height:52px; border-radius:12px; display:flex; align-items:center; justify-content:center; font-size:24px; flex-shrink:0; }
.panel-tag { font-family:'JetBrains Mono',monospace; font-size:10px; color:var(--accent); letter-spacing:1.5px; font-weight:600; margin-bottom:6px; }
.panel-header h2 { font-family:'Syne',sans-serif; font-size:26px; font-weight:800; letter-spacing:-1px; margin-bottom:6px; }
.panel-header p { color:var(--muted); font-size:14px; }

.model-tag { font-family:'JetBrains Mono',monospace; font-size:10px; background:rgba(0,229,160,0.08); color:var(--accent); padding:2px 8px; border-radius:4px; margin-left:4px; }

.warning-box { background:rgba(245,158,11,0.06); border:1px solid rgba(245,158,11,0.2); border-radius:10px; padding:16px 20px; margin-bottom:28px; display:flex; gap:12px; align-items:flex-start; }
.warning-box span { font-size:16px; flex-shrink:0; margin-top:1px; }
.warning-box p { font-size:13px; color:var(--muted); line-height:1.6; }
.warning-box strong { color:var(--text); }

.steps { margin-bottom:32px; }
.step { display:flex; gap:20px; padding:20px 0; border-bottom:1px solid var(--border); }
.step:last-child { border-bottom:none; }
.step-num { font-family:'JetBrains Mono',monospace; font-size:10px; font-weight:600; color:var(--accent); background:rgba(0,229,160,0.08); border:1px solid rgba(0,229,160,0.15); border-radius:5px; padding:5px 10px; height:fit-content; flex-shrink:0; white-space:nowrap; margin-top:2px; }
.step-content h3 { font-family:'Syne',sans-serif; font-size:16px; font-weight:700; margin-bottom:6px; }
.step-content p { color:var(--muted); font-size:13px; line-height:1.7; }

.score-grid { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; margin-bottom:32px; }
.score-card { border-radius:12px; padding:20px; border:1px solid; display:flex; gap:16px; align-items:flex-start; }
.score-card.low    { background:rgba(34,197,94,0.05);  border-color:rgba(34,197,94,0.2); }
.score-card.medium { background:rgba(251,191,36,0.05); border-color:rgba(251,191,36,0.2); }
.score-card.high   { background:rgba(245,158,11,0.05); border-color:rgba(245,158,11,0.2); }
.score-card.critical { background:rgba(239,68,68,0.05); border-color:rgba(239,68,68,0.2); }
.score-badge { font-family:'JetBrains Mono',monospace; font-size:18px; font-weight:800; min-width:60px; text-align:center; padding:8px 0; border-radius:7px; flex-shrink:0; }
.score-badge.low    { color:var(--green);  background:rgba(34,197,94,0.1); }
.score-badge.medium { color:var(--yellow); background:rgba(251,191,36,0.1); }
.score-badge.high   { color:var(--orange); background:rgba(245,158,11,0.1); }
.score-badge.critical { color:var(--red);  background:rgba(239,68,68,0.1); }
.score-card h4 { font-size:14px; font-weight:700; margin-bottom:6px; }
.score-card p  { font-size:12px; color:var(--muted); line-height:1.5; }

.tips-list { display:flex; flex-direction:column; gap:10px; margin-bottom:32px; }
.tip { background:var(--card); border:1px solid var(--border); border-left:3px solid var(--accent); border-radius:0 8px 8px 0; padding:14px 18px; font-size:13px; color:var(--muted); line-height:1.6; }
.tip strong { color:var(--text); }

.guide-cta { background:linear-gradient(135deg,rgba(0,229,160,0.08),rgba(59,110,255,0.06)); border:1px solid rgba(0,229,160,0.2); border-radius:14px; padding:36px; text-align:center; margin-top:48px; }
.guide-cta h3 { font-family:'Syne',sans-serif; font-size:22px; font-weight:800; margin-bottom:10px; }
.guide-cta p  { color:var(--muted); margin-bottom:22px; font-size:14px; }
.guide-cta-btn { display:inline-block; background:var(--accent); color:#000; font-weight:700; font-size:14px; padding:12px 28px; border-radius:7px; text-decoration:none; transition:all 0.2s; }
.guide-cta-btn:hover { background:#00ffb0; transform:translateY(-2px); }

@media(max-width:640px) {
  nav { padding:0 20px; }
  .nav-links { display:none; }
  .guide-hero { padding:36px 20px; }
  .guide-body { padding:32px 20px; }
  .score-grid { grid-template-columns:1fr; }
  .agent-tabs { padding:0 16px; }
}