:root {
  --bg: #0f1220;
  --panel: #1a1f33;
  --panel-2: #232943;
  --line: #2e3554;
  --text: #e7eaf6;
  --muted: #9aa3c4;
  --accent: #6c8cff;
  --ok: #2ecc71;
  --err: #ff6b6b;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 50% -10%, #1c2347, transparent), var(--bg);
  color: var(--text);
  padding: 32px 20px 60px;
}
header { max-width: 980px; margin: 0 auto 24px; text-align: center; }
header h1 { margin: 0 0 6px; font-size: 28px; }
.sub { color: var(--muted); margin: 0; }

main { max-width: 980px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.panel.options { max-width: 980px; margin: 20px auto 0; }
h2 { margin: 0 0 16px; font-size: 17px; display: flex; align-items: center; gap: 10px; }
.step {
  display: inline-grid; place-items: center;
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent); color: #fff; font-size: 13px; font-weight: 700;
}

.drop {
  display: grid; place-items: center; text-align: center;
  min-height: 120px; padding: 18px;
  border: 2px dashed var(--line); border-radius: var(--radius);
  background: var(--panel-2); color: var(--muted);
  cursor: pointer; transition: border-color .15s, background .15s;
}
.drop.small { min-height: 84px; }
.drop:hover, .drop.over { border-color: var(--accent); background: #262d4d; color: var(--text); }
.drop strong { color: var(--text); }

.field-row { display: flex; gap: 14px; margin-top: 16px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1; min-width: 160px; }
.field > span { font-size: 13px; color: var(--muted); }
.field em { color: var(--muted); font-style: normal; opacity: .8; }
input[type="text"], select, textarea {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 10px 12px; font: inherit; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); }
textarea { resize: vertical; }
.hint { color: var(--muted); font-size: 12.5px; margin: 10px 0 0; }

.tabs { display: flex; gap: 6px; margin-bottom: 12px; }
.tab {
  background: var(--panel-2); border: 1px solid var(--line); color: var(--muted);
  padding: 7px 12px; border-radius: 8px; cursor: pointer; font: inherit;
}
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.tabpane { display: none; }
.tabpane.active { display: block; }
.count { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

button.primary {
  background: var(--accent); color: #fff; border: 0; border-radius: 8px;
  padding: 12px 20px; font: inherit; font-weight: 600; cursor: pointer;
  align-self: flex-end; white-space: nowrap;
}
button.primary:disabled { opacity: .45; cursor: not-allowed; }
button.primary:not(:disabled):hover { background: #5a7cff; }

.status { margin-top: 14px; font-size: 14px; padding: 10px 12px; border-radius: 8px; min-height: 1px; }
.status:empty { display: none; }
.status.ok { background: rgba(46,204,113,.12); color: var(--ok); border: 1px solid rgba(46,204,113,.3); }
.status.err { background: rgba(255,107,107,.12); color: var(--err); border: 1px solid rgba(255,107,107,.3); }
.status.loading { background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); }
.muted { color: var(--muted); font-size: 12.5px; }
.warn { color: #ffcf6b; font-size: 12.5px; }

.suffixed { display: flex; align-items: stretch; }
.suffixed input { border-top-right-radius: 0; border-bottom-right-radius: 0; }
.suffixed .suffix {
  display: grid; place-items: center; padding: 0 12px;
  background: var(--line); color: var(--muted);
  border: 1px solid var(--line); border-left: 0;
  border-top-right-radius: 8px; border-bottom-right-radius: 8px; font-size: 13px;
}

footer { max-width: 980px; margin: 30px auto 0; text-align: center; color: var(--muted); font-size: 12.5px; }
code { background: var(--panel-2); padding: 1px 6px; border-radius: 5px; }

@media (max-width: 760px) { main { grid-template-columns: 1fr; } }

/* ---- mode nav ---- */
.modes { display: inline-flex; gap: 6px; margin-top: 14px; background: var(--panel); padding: 5px; border-radius: 10px; border: 1px solid var(--line); }
.mode-link { padding: 7px 14px; border-radius: 7px; color: var(--muted); text-decoration: none; font-size: 14px; }
.mode-link.active { background: var(--accent); color: #fff; }

/* ---- editor ---- */
.editor-main { max-width: 980px; margin: 0 auto; display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; align-items: start; }
@media (max-width: 860px) { .editor-main { grid-template-columns: 1fr; } }

.stage { position: relative; margin-top: 16px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; line-height: 0; }
.stage img { width: 100%; height: auto; display: block; user-select: none; }
.name-box {
  position: absolute; line-height: 1; white-space: nowrap; cursor: grab;
  padding: 2px 4px; border-radius: 3px; touch-action: none;
  outline: 1px dashed rgba(108,140,255,.7); outline-offset: 2px;
}
.name-box:active { cursor: grabbing; }

.ctrl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.ctrl-grid .field { min-width: 0; }
.ctrl-grid[aria-disabled="true"] { opacity: .5; pointer-events: none; }
.field small { color: var(--muted); font-weight: 400; }
.field.check { flex-direction: row; align-items: center; gap: 8px; grid-column: 1 / -1; }
.field.check input { width: auto; }
input[type="color"] { padding: 4px; height: 40px; cursor: pointer; }
input[type="range"] { padding: 0; accent-color: var(--accent); }

.toggle-row { display: flex; gap: 6px; }
.toggle {
  flex: 1; background: var(--panel-2); border: 1px solid var(--line); color: var(--text);
  border-radius: 8px; padding: 9px 0; font: inherit; cursor: pointer; font-size: 15px;
}
.toggle.active { background: var(--accent); border-color: var(--accent); color: #fff; }