:root{
  --bg:#f4f4f4;
  --panel:#ffffff;
  --accent:#00f0ff;
  --accent-2:#7bffef;
  --text:#001217;
  --muted:#555;
  --danger:#ff4d6d;
  --success:#2ef2a7;
  --shadow: 0 0 24px rgba(0,240,255,0.25);
  --ring: 0 0 0 2px rgba(0,240,255,0.35);
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter, sans-serif;
  background:var(--bg);
  color:var(--text);
}

.container{max-width:1200px;margin:auto;padding:24px}
.header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}
.brand{display:flex;align-items:center;gap:12px}
.brand-logo{
  width:36px;height:36px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent),var(--accent-2));
  box-shadow:var(--shadow)
}
.tag{font-size:12px;color:var(--muted)}
.grid{display:grid;grid-template-columns:1.1fr 0.9fr;gap:24px}
@media(max-width:900px){.grid{grid-template-columns:1fr}}

.panel{
  background:var(--panel);
  border:1px solid rgba(0,240,255,0.15);
  border-radius:16px;
  box-shadow:var(--shadow)
}
.panel-header{
  padding:14px 16px;
  border-bottom:1px solid rgba(0,240,255,0.12);
  background:linear-gradient(180deg, rgba(0,240,255,0.08), transparent);
}
.panel-header h2{
  margin:0;
  font-size:15px;
  color:#000000; /* judul hitam */
}

.panel-body{padding:18px}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}
.input,.color{
  width:100%;padding:10px;border-radius:10px;
  background:#f9f9f9;color:var(--text);
  border:1px solid rgba(0,240,255,0.18);
  outline:none;
}
.input:focus,.color:focus{
  border-color:var(--accent);box-shadow:var(--ring)
}

.hint{
  font-size:10px;   /* diperkecil */
  color:var(--muted);
  margin-top:6px;
}

.row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:640px){.row{grid-template-columns:1fr}}

.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.btn{
  padding:10px 14px;border-radius:10px;cursor:pointer;
  border:1px solid rgba(0,240,255,0.35);
  background:transparent;color:var(--text);
  display:inline-flex;align-items:center;gap:6px;
}
.btn i{margin-right:6px}
.btn.primary{
  background:var(--accent);color:#001217;font-weight:600
}
.btn:hover{box-shadow:var(--shadow);border-color:var(--accent)}
.btn:active{transform:translateY(1px)}

.status{margin-top:10px;font-size:12px;color:var(--muted)}
.status.ok{color:var(--success)}
.status.err{color:var(--danger)}

.preview-wrap{
  display:flex;justify-content:center;align-items:center;
  padding:18px;min-height:360px;
  background:linear-gradient(180deg, rgba(0,240,255,0.08), transparent); /* sama dengan panel-header */
}
.preview-card{
  background:#fff;padding:16px;border-radius:16px;
  box-shadow:var(--shadow)
}

.footer{
  margin-top:20px;font-size:12px;color:var(--muted);
  display:flex;justify-content:space-between;align-items:center
}
.mono{font-family:monospace}