:root{
  --bg:#0b0f17;
  --card:#111827;
  --muted:#9ca3af;
  --text:#e5e7eb;
  --border:rgba(255,255,255,.08);
  --accent:#7c3aed;
  --accent2:#22c55e;
  --danger:#ef4444;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 800px at 20% 10%, rgba(124,58,237,.25), transparent 55%),
              radial-gradient(900px 600px at 80% 20%, rgba(34,197,94,.18), transparent 55%),
              var(--bg);
  color:var(--text);
}

.page{max-width:1200px;margin:0 auto;padding:28px}

.header{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border:1px solid var(--border);
  background:rgba(17,24,39,.65);backdrop-filter: blur(10px);
  border-radius:16px;
}
.brand{display:flex;gap:12px;align-items:center}
.logo{
  width:44px;height:44px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;
  background:linear-gradient(135deg,var(--accent),#2563eb);
}
.brand-text .title{font-weight:800;letter-spacing:.2px}
.brand-text .subtitle{color:var(--muted);font-size:13px;margin-top:2px}
.pill{
  font-size:12px;color:rgba(255,255,255,.85);
  border:1px solid var(--border);
  padding:6px 10px;border-radius:999px;
  background:rgba(255,255,255,.04);
}

.grid{display:grid;grid-template-columns: 1fr 1.2fr;gap:18px;margin-top:18px}
@media (max-width: 980px){.grid{grid-template-columns:1fr}}

.card{
  border:1px solid var(--border);
  background:rgba(17,24,39,.6);
  backdrop-filter: blur(10px);
  border-radius:18px;
  padding:18px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35);
}

.card h1{margin:0 0 8px 0;font-size:22px}
.card h2{margin:0;font-size:18px}
.hint{margin:0 0 14px 0;color:var(--muted);line-height:1.4}

.form{display:grid;gap:12px;margin-top:10px}
label{display:grid;gap:6px;font-size:13px;color:rgba(255,255,255,.9)}
input{
  width:100%;
  padding:12px 12px;
  border-radius:12px;
  border:1px solid var(--border);
  background:rgba(0,0,0,.25);
  color:var(--text);
  outline:none;
}
input:focus{border-color:rgba(124,58,237,.7);box-shadow:0 0 0 4px rgba(124,58,237,.15)}

button{
  cursor:pointer;
  border:none;
  border-radius:12px;
  padding:12px 12px;
  font-weight:700;
  color:white;
  background:linear-gradient(135deg,var(--accent),#2563eb);
  display:flex;align-items:center;justify-content:center;gap:10px;
}
button:disabled{opacity:.55;cursor:not-allowed}
.secondary{
  background:rgba(255,255,255,.06);
  border:1px solid var(--border);
  color:rgba(255,255,255,.9);
  padding:9px 10px;
  font-weight:600;
}
.status{min-height:18px;font-size:13px;color:var(--muted)}
.status.ok{color:rgba(34,197,94,.95)}
.status.err{color:rgba(239,68,68,.95)}

.tips{margin-top:14px;display:grid;gap:8px}
.tip{
  font-size:13px;color:rgba(255,255,255,.88);
  border:1px dashed rgba(255,255,255,.12);
  background:rgba(255,255,255,.03);
  padding:10px;border-radius:14px
}

.output{min-height:520px}
.output-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.output-actions{display:flex;gap:10px;flex-wrap:wrap}

.meta{
  font-size:12px;color:var(--muted);
  border:1px solid var(--border);
  background:rgba(0,0,0,.18);
  padding:10px;border-radius:14px;margin-bottom:12px;
}
.hidden{display:none}

.memo{
  border:1px solid var(--border);
  background:rgba(0,0,0,.18);
  border-radius:16px;
  padding:14px;
  max-height:640px;
  overflow:auto;
}
.memo.empty{display:grid;place-items:center;min-height:420px}
.empty-state{text-align:center;color:var(--muted)}
.empty-title{font-weight:800;color:rgba(255,255,255,.9);margin-bottom:6px}
.empty-subtitle{font-size:13px}

.memo h1,.memo h2,.memo h3{margin-top:16px}
.memo h1{font-size:20px}
.memo h2{font-size:16px}
.memo p,.memo li{color:rgba(255,255,255,.9);line-height:1.5}
.memo code{background:rgba(255,255,255,.06);padding:2px 6px;border-radius:8px}
.memo pre{background:rgba(0,0,0,.35);padding:12px;border-radius:12px;overflow:auto;border:1px solid var(--border)}

.footer{
  margin-top:16px;
  color:var(--muted);
  font-size:12px;
  display:flex;justify-content:center;
}
.spinner{
  width:16px;height:16px;border-radius:999px;
  border:2px solid rgba(255,255,255,.35);
  border-top-color:white;
  animation: spin .9s linear infinite;
}
@keyframes spin {to{transform:rotate(360deg)}}