:root{--bg:#0b1220;--card:#111827;--muted:#9ca3af;--accent:#38bdf8;--ok:#10b981;--err:#ef4444;--border:#1f2937;--text:#e5e7eb;--ink:#0b1220}
*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;background:#0b1220;color:var(--text)}
.header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 18px;max-width:1100px;margin:0 auto}
.wrap{max-width:1100px;margin:24px auto;padding:0 16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px;box-shadow:0 10px 30px rgba(0,0,0,.35)}
.row{display:flex;gap:14px;flex-wrap:wrap}.row>*{flex:1 1 220px}
label{display:block;margin:8px 0 6px}.small{font-size:12px;color:var(--muted)}
input[type=file],select,input[type=number],input[type=range]{width:100%;padding:10px 12px;border-radius:12px;border:1px solid #334155;background:#0b1220;color:var(--text)}
button{background:#1f2937;border:1px solid #334155;color:var(--text);padding:12px 16px;border-radius:12px;cursor:pointer;font-weight:700}
button.primary{background:var(--accent);border-color:var(--accent);color:var(--ink)}
.bar{height:10px;width:100%;background:#0b1220;border-radius:999px;border:1px solid #334155;overflow:hidden;margin-top:6px}
.bar>span{display:block;height:100%;width:0;background:linear-gradient(90deg,#22c55e,#60a5fa);transition:width .2s}
.stat{background:#0b1220;border:1px solid #334155;border-radius:12px;padding:10px;min-width:140px}
.ok{color:var(--ok)}.err{color:var(--err)}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
hr{border:0;border-top:1px solid #334155;margin:12px 0}
pre{white-space:pre-wrap;word-break:break-word;background:#0a0f1a;border:1px solid #1f2937;border-radius:12px;padding:12px}
.badge{display:inline-flex;align-items:center;gap:8px;padding:6px 10px;background:#0b1220;border:1px solid #334155;border-radius:999px;color:#cbd5e1;font-size:12px}
.value{font-weight:700}

/* Tabs for compression and splitting */
.tab-nav{
  display:flex;
  gap:14px;
  margin-bottom:16px;
  border-bottom:1px solid var(--border);
}
.tab-btn{
  background:transparent;
  border:none;
  color:var(--text);
  padding:10px 16px;
  font-size:16px;
  cursor:pointer;
  border-bottom:3px solid transparent;
  transition:border-color 0.2s,color 0.2s;
}
.tab-btn:hover{
  color:var(--accent);
}
.tab-btn.active{
  border-bottom-color:var(--accent);
  color:var(--accent);
}

/* Navigation bar */
.topnav{
  background:var(--card);
  border-bottom:1px solid var(--border);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  padding:10px 18px;
  justify-content:center;
  margin-bottom:20px;
}
.topnav a{
  color:var(--text);
  text-decoration:none;
  padding:8px 12px;
  border-radius:8px;
  font-size:14px;
}
.topnav a:hover{
  background:var(--accent);
  color:var(--ink);
}

/* Info sections on the home page */
/* Informational sections styled similarly to cards for cohesive layout */
.info-section{
  margin-top:32px;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:18px;
  padding:22px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
  max-width:1100px;
  margin-left:auto;
  margin-right:auto;
}
.info-section img{
  max-width:100%;
  border-radius:12px;
  margin:14px 0;
}
.info-section h2{
  margin-top:0;
  margin-bottom:12px;
  font-size:22px;
  color:var(--accent);
}
.info-section p{
  line-height:1.6;
  margin-bottom:14px;
  font-size:14px;
  color:var(--muted);
}

/* FAQ page network log */
#networkLog{
  background:#0a0f1a;
  border:1px solid #1f2937;
  border-radius:12px;
  padding:12px;
  max-height:200px;
  overflow-y:auto;
  white-space:pre-wrap;
  font-size:12px;
  color:var(--muted);
  margin-top:12px;
}

/* Privacy link styling */
#privacyLink{color:var(--accent);text-decoration:underline;cursor:pointer;font-size:12px}

/* Modal overlay for privacy policy */
#privacyModal{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.8);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;box-sizing:border-box}
#privacyModal .modal-content{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;max-width:800px;max-height:90%;overflow-y:auto;color:var(--text)}
#privacyModal .modal-content h2{margin-top:0;margin-bottom:12px;font-size:22px}
#privacyModal .modal-content p{line-height:1.5;font-size:14px}
#privacyModal .close-btn{background:none;border:none;color:var(--accent);font-size:24px;font-weight:bold;float:right;cursor:pointer}