:root{
  --bg:#f6f7fb;
  --bg-elevated:rgba(255,255,255,.7);
  --text:#1a1b1f;
  --text-dim:#5c5f6a;
  --border:rgba(0,0,0,.08);
  --accent:#7c5cff;
  --shadow:0 8px 30px rgba(0,0,0,.08);
  --radius:16px;
}

[data-theme="dark"]{
  --bg:#0b0c10;
  --bg-elevated:rgba(255,255,255,.06);
  --text:#eef0f5;
  --text-dim:#9a9db0;
  --border:rgba(255,255,255,.09);
  --accent:#8f6bff;
  --shadow:0 8px 30px rgba(0,0,0,.45);
}

*{box-sizing:border-box}

body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  max-width:960px;
  margin:auto;
  padding:24px;
  background:var(--bg);
  color:var(--text);
  transition:background .25s ease,color .25s ease;
}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

.np-navbar{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 20px;margin-bottom:24px;
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}

.np-navbar .brand{font-weight:700;font-size:1.25rem;display:flex;align-items:center;gap:8px}
.np-navbar nav{display:flex;gap:16px;align-items:center}

.np-card{
  background:var(--bg-elevated);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:20px;
  margin-bottom:16px;
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}

.np-search{
  display:flex;gap:8px;margin-bottom:24px;
}
.np-search input{
  flex:1;padding:12px 16px;border-radius:12px;border:1px solid var(--border);
  background:var(--bg-elevated);color:var(--text);font-size:1rem;
}
.np-search button, .np-btn{
  padding:12px 18px;border-radius:12px;border:none;
  background:var(--accent);color:#fff;font-weight:600;cursor:pointer;
  transition:transform .15s ease,opacity .15s ease;
}
.np-search button:hover, .np-btn:hover{transform:translateY(-1px);opacity:.92}
.np-btn.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}

.np-theme-toggle{
  cursor:pointer;border:1px solid var(--border);background:var(--bg-elevated);
  border-radius:999px;padding:8px 12px;color:var(--text);font-size:.9rem;
}

.np-title{font-size:2rem;margin:0 0 8px}
.np-meta{display:flex;gap:12px;align-items:center;color:var(--text-dim);font-size:.85rem;margin-bottom:20px;flex-wrap:wrap}
.np-tag{background:var(--bg-elevated);border:1px solid var(--border);padding:2px 10px;border-radius:999px;margin-right:6px}
.np-content p{line-height:1.7;margin:0 0 14px}
.np-footer{margin-top:24px;color:var(--text-dim);font-size:.8rem;border-top:1px solid var(--border);padding-top:12px}

mark{background:var(--accent);color:#fff;padding:0 3px;border-radius:4px}

.np-list{list-style:none;padding:0;margin:0}
.np-list li{padding:12px 0;border-bottom:1px solid var(--border)}
.np-list li:last-child{border-bottom:none}
.np-list .snippet{color:var(--text-dim);font-size:.9rem;margin-top:4px}

form.np-form label{display:block;margin:12px 0 6px;font-weight:600;font-size:.9rem}
form.np-form input[type=text], form.np-form input[type=password], form.np-form textarea, form.np-form select{
  width:100%;padding:10px 12px;border-radius:10px;border:1px solid var(--border);
  background:var(--bg-elevated);color:var(--text);font-family:inherit;font-size:1rem;
}
form.np-form textarea{min-height:220px;resize:vertical}

.np-toolbar{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}
.np-toolbar button{
  border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);
  padding:6px 10px;border-radius:8px;cursor:pointer;font-size:.9rem;
}
.np-toolbar button:hover{background:var(--accent);color:#fff;border-color:var(--accent)}

.np-editable{
  min-height:260px;border:1px solid var(--border);border-radius:10px;padding:14px;
  background:var(--bg-elevated);color:var(--text);line-height:1.6;
}
.np-editable:focus{outline:2px solid var(--accent)}

.np-alert{padding:12px 16px;border-radius:10px;margin-bottom:16px;font-size:.9rem}
.np-alert.error{background:rgba(255,60,60,.12);color:#ff6b6b;border:1px solid rgba(255,60,60,.3)}
.np-alert.success{background:rgba(60,200,120,.12);color:#3ecf7b;border:1px solid rgba(60,200,120,.3)}