/* ====== Base ====== */
:root{
  --bg: #f6f7f9;
  --card: #ffffff;
  --text: #111827;
  --muted: #6b7280;
  --border: #e5e7eb;
  --primary: #111827;
  --danger: #ef4444;
  --radius: 14px;
}

*{ box-sizing: border-box; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a{ color: inherit; text-decoration: none; }
a:hover{ text-decoration: underline; }

.container{
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 18px 0;
}

/* ====== Topbar ====== */
.topbar{
  background: var(--card);
  border-bottom: 1px solid var(--border);
}
.topbar__inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding: 14px 0;
}
.brand{
  font-weight: 700;
  letter-spacing: .2px;
}
.nav{
  display:flex;
  gap: 12px;
}
.nav__link{
  padding: 8px 10px;
  border-radius: 10px;
}
.nav__link:hover{
  background: #f3f4f6;
  text-decoration: none;
}

/* ====== UI ====== */
.pagehead{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  margin: 10px 0 14px;
}
.h1{
  margin:0;
  font-size: 22px;
  line-height: 1.2;
}
.sub{
  margin:4px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.btn{
  border: 1px solid var(--border);
  background: var(--card);
  padding: 10px 14px;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 600;
}
.btn:hover{ background: #f9fafb; }
.btn--primary{
  background: var(--primary);
  color: white;
  border-color: var(--primary);
}
.btn--primary:hover{ filter: brightness(.95); }
.btn--danger{
  color: var(--danger);
  border-color: #fecaca;
  background: #fff5f5;
}
.btn--danger:hover{ background: #ffecec; }

.grid{
  display:grid;
  gap: 12px;
}
.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.row{
  display:flex;
  gap: 10px;
  align-items:center;
}
.row--between{ justify-content: space-between; }

.badge{
  font-size: 12px;
  color: #374151;
  background: #f3f4f6;
  border: 1px solid var(--border);
  padding: 2px 10px;
  border-radius: 999px;
}

.input{
  width:100%;
  height: 44px;
  border-radius: 12px;
  border: 1px solid #d1d5db;
  padding: 10px 12px;
  outline: none;
}
.input:focus{
  border-color: #9ca3af;
  box-shadow: 0 0 0 3px rgba(156,163,175,.25);
}
.label{
  display:block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 6px;
}

.hr{
  height:1px;
  background: var(--border);
  margin: 12px 0;
  border:0;
}

.items{
  margin-top: 10px;
}
.item{
  display:flex;
  align-items:center;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--border);
}
.item__text{ flex: 1; }
.muted{ color: var(--muted); }
.small{ font-size: 13px; }

/* Builder responsive */
@media (max-width: 980px){
  .grid[style*="grid-template-columns"]{
    grid-template-columns: 1fr !important;
  }
}