/* Prompt Builder v1.2 - refined dark UI + accordions + toast */
:root{
  --bg: #0b1020;
  --panel: rgba(255,255,255,.06);
  --stroke: rgba(255,255,255,.10);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.65);
  --muted2: rgba(255,255,255,.50);
  --shadow: 0 18px 45px rgba(0,0,0,.35);
  --radius: 18px;
}

*{ 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, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 20% 10%, rgba(124,92,255,.22), transparent 60%),
    radial-gradient(900px 550px at 90% 30%, rgba(61,220,151,.14), transparent 55%),
    radial-gradient(1100px 700px at 40% 90%, rgba(255,77,109,.10), transparent 60%),
    var(--bg);
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  display:flex;
  gap: 16px;
  align-items:center;
  justify-content: space-between;
  padding: 14px 18px;
  background: rgba(7,10,18,.65);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--stroke);
}

.brand{ display:flex; gap: 12px; align-items:center; }
.logo{
  width: 42px; height: 42px;
  border-radius: 14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(61,220,151,.55));
  box-shadow: var(--shadow);
  font-weight: 800;
}
.brandTitle{ font-weight: 800; letter-spacing: .2px; }
.brandSub{ font-size: 12px; color: var(--muted); margin-top: 2px; }

.topbarControls{
  display:flex;
  gap: 10px;
  align-items:end;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.layout{
  padding: 18px;
  max-width: 1320px;
  margin: 0 auto;
  display:grid;
  grid-template-columns: 420px 1fr;
  gap: 16px;
}

.panel{
  background: var(--panel);
  border: 1px solid var(--stroke);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.controls{ padding: 16px; }
.editor{ padding: 16px; }

.panelTitle{
  font-weight: 800;
  font-size: 14px;
  letter-spacing: .25px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: rgba(255,255,255,.85);
}
.panelTitle.small{ font-size: 12px; margin: 0; }

.stack{ display:flex; flex-direction:column; gap: 12px; }

.grid2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.grid3{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
}

.field label{
  display:block;
  font-size: 12px;
  color: var(--muted);
  margin-bottom: 6px;
}
.field.compact label{ font-size: 11px; margin-bottom: 4px; }
.field select,
.input,
.textarea{
  width: 100%;
  border-radius: 14px;
  border: 1px solid var(--stroke);
  background: rgba(0,0,0,.22);
  color: var(--text);
  padding: 10px 12px;
  outline: none;
}
.field select:focus,
.input:focus,
.textarea:focus{
  border-color: rgba(124,92,255,.55);
  box-shadow: 0 0 0 3px rgba(124,92,255,.12);
}
.textarea{ resize: vertical; min-height: 74px; }
.textarea.big{ min-height: 280px; }

.hint{
  font-size: 12px;
  color: var(--muted2);
  margin-top: 6px;
}

.divider{
  height: 1px;
  background: var(--stroke);
  margin: 8px 0;
  border-radius: 99px;
}

.btn{
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.06);
  color: var(--text);
  border-radius: 14px;
  padding: 10px 12px;
  cursor:pointer;
  transition: transform .04s ease, background .15s ease, border-color .15s ease;
  user-select:none;
}
.btn:hover{ background: rgba(255,255,255,.10); border-color: rgba(255,255,255,.18); }
.btn:active{ transform: translateY(1px); }
.btn.primary{
  background: linear-gradient(135deg, rgba(124,92,255,.95), rgba(124,92,255,.55));
  border-color: rgba(124,92,255,.55);
}
.btn.ghost{ background: rgba(255,255,255,.03); }
.btn.tiny{ padding: 6px 10px; border-radius: 12px; font-size: 12px; }

.actions{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

.livePreview{
  font-size: 12.5px;
  line-height: 1.5;
  padding: 12px;
  border-radius: 14px;
  border: 1px dashed rgba(255,255,255,.18);
  background: rgba(0,0,0,.18);
  min-height: 56px;
  color: rgba(255,255,255,.85);
}

.editorHeader{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 10px;
}
.editorActions{ display:flex; flex-wrap: wrap; gap: 10px; justify-content:flex-end; }

.toggle{
  display:flex;
  gap: 8px;
  align-items:center;
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.04);
  border-radius: 14px;
  padding: 10px 12px;
  font-size: 12px;
  color: rgba(255,255,255,.85);
}
.toggle input{ transform: translateY(1px); }

.chipsWrap{ margin-top: 12px; }
.chipsHeader{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}
.chips{
  display:flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip{
  border: 1px solid var(--stroke);
  background: rgba(255,255,255,.06);
  border-radius: 999px;
  padding: 7px 10px;
  font-size: 12px;
  cursor:pointer;
}
.chip:hover{ border-color: rgba(124,92,255,.45); background: rgba(124,92,255,.12); }

.compatHeader{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.badge{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--stroke);
  background: rgba(0,0,0,.18);
  color: rgba(255,255,255,.85);
}
.compatList{
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.6;
}
.hidden{ display:none; }

.footer{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 10px;
  margin-top: 14px;
  font-size: 12px;
  color: var(--muted);
}
.muted{ color: var(--muted2); }

/* Accordions */
.accordion{
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 16px;
  background: rgba(0,0,0,.14);
  overflow: hidden;
}
.accordion > summary{
  cursor: pointer;
  padding: 10px 12px;
  font-size: 12.5px;
  color: rgba(255,255,255,.88);
  list-style: none;
  user-select:none;
}
.accordion > summary::-webkit-details-marker{ display:none; }
.accordionBody{
  padding: 10px 12px 12px;
}

/* Locks */
.locks{
  display:flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 10px;
  color: rgba(255,255,255,.85);
  font-size: 12px;
}
.locks label{
  display:flex;
  align-items:center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
}

/* Toast */
.toast{
  position: fixed;
  bottom: 18px;
  left: 50%;
  transform: translateX(-50%);
  padding: 10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(8,10,18,.75);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
  color: rgba(255,255,255,.9);
  font-size: 13px;
  z-index: 50;
  max-width: 90vw;
}
.toast.hidden{ display:none; }

@media (max-width: 1060px){
  .layout{ grid-template-columns: 1fr; }
}