* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; font-family: system-ui, sans-serif; background: #fff; color: #0f172a; }

.back-portfolio {
  position: fixed;
  bottom: 1rem;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 700;
  border-radius: 999px;
}

.app-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.9rem 1.25rem;
  background: #0f172a;
  color: #f1f5f9;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.app-bar strong { font-size: 1.05rem; letter-spacing: -0.02em; }
.tag { font-size: 0.75rem; color: #94a3b8; padding: 0.25rem 0.6rem; border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 999px; }

.layout {
  display: grid;
  grid-template-columns: minmax(240px, 300px) 1fr;
  min-height: calc(100vh - 52px);
}

@media (max-width: 800px) {
  .layout { grid-template-columns: 1fr; }
}

.side { background: #f8fafc; padding: 1.25rem; border-right: 1px solid #e2e8f0; }
.side h2 { margin: 0 0 1rem; font-size: 1rem; }

label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.75rem; font-weight: 600; color: #475569; margin-bottom: 0.65rem; }
input, select, textarea {
  font: inherit;
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
}
.submit {
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.55rem;
  border: none;
  border-radius: 8px;
  background: #0f172a;
  color: #fff;
  font-weight: 600;
  cursor: pointer;
}

.main { padding: 1rem; overflow: auto; }
.main input[type="search"] {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
  margin-bottom: 1rem;
  font: inherit;
}

.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.85rem; }

.item {
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
}
.item-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 0.85rem;
  background: #f8fafc;
  border-bottom: 1px solid #e2e8f0;
}
.badge {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  background: #e0e7ff;
  color: #4338ca;
  padding: 0.2rem 0.45rem;
  border-radius: 4px;
}
.copy {
  margin-left: auto;
  border: 1px solid #e2e8f0;
  background: #fff;
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  font-size: 0.75rem;
  cursor: pointer;
}
pre {
  margin: 0;
  padding: 0.85rem;
  font-size: 0.8rem;
  line-height: 1.45;
  overflow-x: auto;
  background: #0f172a;
  color: #e2e8f0;
}