*{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg:#0f1117;--bg2:#181b25;--bg3:#1f2333;--border:#2a2f42;
  --amber:#f5a623;--amber-dim:#b87a10;--amber-glow:rgba(245,166,35,0.15);
  --text:#e2e5f0;--text2:#9ba1b8;--text3:#6b7294;
  --red:#ef4444;--green:#22c55e;--blue:#60a5fa;--purple:#a78bfa;
  --radius:12px;--radius-sm:8px;--shadow:0 4px 24px rgba(0,0,0,0.4);
}
html{scroll-behavior:smooth}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}
a{color:var(--amber);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;display:block}

/* Header */
.site-header{background:var(--bg2);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{max-width:1200px;margin:0 auto;padding:0 20px;display:flex;align-items:center;gap:16px;height:56px}
.logo{display:flex;align-items:center;gap:8px;font-weight:700;font-size:1.1rem;color:var(--text);text-decoration:none}
.logo:hover{text-decoration:none}
.logo-icon{width:28px;height:28px;color:var(--amber)}
.site-nav{margin-left:auto;display:flex;gap:4px}
.site-nav a{color:var(--text2);padding:6px 12px;border-radius:var(--radius-sm);font-size:0.9rem}
.site-nav a:hover{color:var(--text);background:var(--bg3);text-decoration:none}
.menu-toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:4px}
.menu-toggle span{width:22px;height:2px;background:var(--text2);border-radius:1px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:0.95rem;font-weight:600;cursor:pointer;border:2px solid transparent;transition:all .15s}
.btn-primary{background:var(--amber);color:#1a1000;border-color:var(--amber)}
.btn-primary:hover{background:#ffc04d;border-color:#ffc04d;text-decoration:none}
.btn-ghost{background:transparent;color:var(--text2);border-color:var(--border)}
.btn-ghost:hover{color:var(--text);border-color:var(--text3);text-decoration:none}
.btn-small{padding:6px 14px;font-size:0.85rem}
.btn-full{width:100%}
.btn:disabled{opacity:0.4;cursor:not-allowed}
.btn:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

/* Hero */
.hero{background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%);padding:60px 20px 40px;text-align:center}
.hero-inner{max-width:640px;margin:0 auto}
.hero h1{font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800;line-height:1.2;margin-bottom:12px}
.hero-sub{color:var(--text2);font-size:1.1rem;margin-bottom:28px}
.hero-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

/* Simulator */
.simulator{max-width:1200px;margin:0 auto;padding:40px 20px}
.sim-grid{display:grid;grid-template-columns:280px 1fr;gap:24px;align-items:start}
@media(max-width:860px){.sim-grid{grid-template-columns:1fr}}

/* Panels */
.panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.panel h2{font-size:1.15rem;margin-bottom:16px;color:var(--amber)}

/* Class Cards */
.class-cards{display:flex;flex-direction:column;gap:10px;margin-bottom:16px}
.class-card{display:block;padding:14px;border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;position:relative}
.class-card:hover{border-color:var(--text3);background:var(--bg3)}
.class-card.active{border-color:var(--amber);background:var(--amber-glow)}
.class-card.active::after{content:'✓';position:absolute;top:10px;right:12px;color:var(--amber);font-weight:700}
.class-icon{font-size:1.5rem;margin-bottom:4px}
.class-name{font-weight:700;font-size:1rem}
.class-desc{font-size:0.82rem;color:var(--text2);margin:4px 0}
.class-stats{font-size:0.78rem;color:var(--text3);font-family:ui-monospace,monospace}

/* Run Panel */
.run-panel{min-width:0}
.run-header{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.run-class-badge{background:var(--amber);color:#1a1000;padding:4px 12px;border-radius:20px;font-weight:700;font-size:0.85rem}
.run-floor{color:var(--text2);font-size:0.9rem;margin-left:auto}
.run-stacks{display:flex;flex-wrap:wrap;gap:8px;width:100%}
.stat-chip{background:var(--bg3);border:1px solid var(--border);padding:4px 10px;border-radius:20px;font-size:0.8rem;font-family:ui-monospace,monospace;color:var(--text2)}
.stat-chip.stat-up{animation:statPop .3s ease}
@keyframes statPop{0%{transform:scale(1.15);color:var(--green)}100%{transform:scale(1);color:var(--text2)}}

/* Items */
.item-prompt{color:var(--text2);margin-bottom:12px;font-size:0.95rem}
.item-cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.item-card{padding:16px;border:2px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:all .15s;background:var(--bg3)}
.item-card:hover{border-color:var(--text3)}
.item-card.active{border-color:var(--green);background:rgba(34,197,94,0.08)}
.item-name{font-weight:700;margin-bottom:4px}
.item-rarity{font-size:0.75rem;text-transform:uppercase;letter-spacing:0.05em;margin-bottom:6px}
.item-rarity.common{color:var(--text3)}
.item-rarity.uncommon{color:var(--green)}
.item-rarity.rare{color:var(--blue)}
.item-rarity.epic{color:var(--purple)}
.item-rarity.legendary{color:var(--amber)}
.item-desc{font-size:0.82rem;color:var(--text2);margin-bottom:8px}
.item-stats{font-size:0.78rem;font-family:var(--green);color:var(--green)}
.item-stats .neg{color:var(--red)}
.item-tags{display:flex;gap:4px;flex-wrap:wrap;margin-top:8px}
.tag{font-size:0.7rem;padding:2px 8px;border-radius:10px;background:var(--bg);border:1px solid var(--border);color:var(--text3)}

/* Synergy Bar */
.synergy-bar{margin-top:16px;display:flex;flex-wrap:wrap;gap:8px;min-height:28px}
.synergy-chip{padding:4px 12px;border-radius:20px;font-size:0.8rem;font-weight:600}
.synergy-active{background:rgba(245,166,35,0.15);border:1px solid var(--amber-dim);color:var(--amber)}
.synergy-pending{background:var(--bg3);border:1px solid var(--border);color:var(--text3)}

/* Run Log */
.run-log{margin-top:16px;max-height:160px;overflow-y:auto;display:flex;flex-direction:column;gap:4px}
.log-entry{font-size:0.82rem;color:var(--text2);padding:4px 0;border-bottom:1px solid var(--border)}
.log-entry .floor-num{color:var(--amber);font-weight:600}
.log-entry .item-picked{color:var(--green)}

/* Summary */
.summary-panel{grid-column:1/-1}
.final-card{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:24px;margin-bottom:20px}
.final-class{font-size:1.3rem;font-weight:800;color:var(--amber);margin-bottom:4px}
.final-stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;margin:16px 0}
.final-stat{background:var(--bg2);padding:12px;border-radius:var(--radius-sm);text-align:center}
.final-stat .val{font-size:1.4rem;font-weight:800;display:block}
.final-stat .lbl{font-size:0.75rem;color:var(--text3);text-transform:uppercase}
.final-synergies{margin:16px 0}
.final-synergies h4{font-size:0.85rem;color:var(--text2);margin-bottom:8px}
.syn-list{display:flex;flex-wrap:wrap;gap:8px}
.syn-item{background:var(--amber-glow);border:1px solid var(--amber-dim);padding:6px 14px;border-radius:var(--radius-sm);font-size:0.85rem}
.syn-item .syn-name{font-weight:700;color:var(--amber)}
.syn-item .syn-desc{color:var(--text2);font-size:0.78rem}
.path-summary{margin-top:16px}
.path-summary h4{font-size:0.85rem;color:var(--text2);margin-bottom:8px}
.path-list{display:flex;flex-wrap:wrap;gap:6px}
.path-item{font-size:0.78rem;background:var(--bg2);padding:4px 10px;border-radius:var(--radius-sm);border:1px solid var(--border)}
.build-actions{display:flex;gap:12px;flex-wrap:wrap}

/* History */
.history-section{max-width:1200px;margin:0 auto;padding:0 20px 40px}
.history-section h2{font-size:1.3rem;margin-bottom:4px}
.section-sub{color:var(--text2);font-size:0.9rem;margin-bottom:20px}
.history-list{display:flex;flex-direction:column;gap:10px}
.history-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px;cursor:pointer;transition:border-color .15s}
.history-card:hover{border-color:var(--text3)}
.history-card .h-class{font-weight:700;color:var(--amber)}
.history-card .h-stats{font-size:0.82rem;color:var(--text2);margin-top:4px;font-family:ui-monospace,monospace}
.history-card .h-syn{font-size:0.8rem;color:var(--green);margin-top:4px}
.history-card .h-date{font-size:0.75rem;color:var(--text3);margin-top:4px}
.empty-state{color:var(--text3);font-size:0.9rem;padding:24px;text-align:center;background:var(--bg2);border-radius:var(--radius-sm);border:1px dashed var(--border)}

/* Guide & Tips */
.guide-section,.tips-section,.faq-section{max-width:1200px;margin:0 auto;padding:0 20px 40px}
.guide-section h2,.tips-section h2,.faq-section h2{font-size:1.3rem;margin-bottom:20px}
.guide-grid,.tips-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.guide-card,.tip-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:20px}
.guide-card h3,.tip-card h3{font-size:1rem;color:var(--amber);margin-bottom:8px}
.guide-card p,.tip-card p{font-size:0.88rem;color:var(--text2)}

/* FAQ */
.faq-section details{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:16px 20px;margin-bottom:8px}
.faq-section summary{font-weight:600;cursor:pointer;list-style:none;display:flex;align-items:center;gap:8px}
.faq-section summary::before{content:'▸';font-size:0.8rem;color:(--amber);transition:transform .2s}
.faq-section details[open] summary::before{transform:rotate(90deg)}
.faq-section details p{margin-top:10px;font-size:0.88rem;color:var(--text2)}

/* Footer */
.site-footer{border-top:1px solid var(--border);margin-top:40px;padding:32px 20px;background:var(--bg2)}
.footer-inner{max-width:1200px;margin:0 auto;text-align:center}
.footer-inner p{font-size:0.85rem;color:var(--text3);margin-bottom:4px}
.footer-links{display:flex;gap:16px;justify-content:center;margin:8px 0}
.footer-links a{font-size:0.85rem}
.footer-note{font-size:0.78rem;margin-top:8px}

/* Mobile */
@media(max-width:640px){
  .site-nav{display:none;position:absolute;top:56px;left:0;right:0;background:var(--bg2);flex-direction:column;padding:12px;border-bottom:1px solid var(--border)}
  .site-nav.open{display:flex}
  .menu-toggle{display:flex}
  .hero{padding:40px 16px 28px}
  .item-cards{grid-template-columns:1fr}
  .final-stats{grid-template-columns:repeat(3,1fr)}
}

/* Focus */
:focus-visible{outline:2px solid var(--amber);outline-offset:2px}

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

/* Animations */
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.panel,.history-card,.guide-card,.tip-card{animation:fadeIn .3s ease}

/* Toast */
.toast{position:fixed;bottom:24px;right:24px;background:var(--bg3);border:1px solid var(--amber-dim);color:var(--amber);padding:12px 20px;border-radius:var(--radius-sm);font-size:0.9rem;z-index:200;animation:fadeIn .2s ease;box-shadow:var(--shadow)}
.toast.fade-out{opacity:0;transition:opacity .3s}



/* Factory-injected deployment helpers. The AI owns the site design above this block. */
.ad-unit {
  width: min(100%, 720px);
  min-height: 120px;
  margin: 24px auto;
  display: block;
}

.legal-page {
  width: min(900px, calc(100% - 32px));
  margin: 40px auto;
}

.factory-fallback-nav {
  width: min(900px, calc(100% - 32px));
  margin: 24px auto 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  font-size: 0.95rem;
}

.factory-fallback-nav a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}