:root {
  --bg: #0b0e14;
  --panel: #131822;
  --panel-2: #191f2c;
  --line: #232c3d;
  --text: #dbe3f0;
  --muted: #8a95aa;
  --accent: #28a745;
  --accent-2: #3b82f6;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "SF Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #10151f, var(--bg));
}

.brand { display: flex; align-items: baseline; gap: 10px; }
.logo { color: var(--accent); font-size: 26px; letter-spacing: -3px; }
h1 { margin: 0; font-size: 22px; letter-spacing: 1px; }
.tag { color: var(--muted); font-size: 12px; }

.actions { display: flex; align-items: center; gap: 12px; }
.preset { color: var(--muted); font-size: 12px; display: flex; align-items: center; gap: 8px; }
select,input[type=text] {
  background: var(--panel-2);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 8px 10px;
  font-family: inherit;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  border-radius: 8px;
  padding: 9px 16px;
  font-weight: 600;
  transition: transform .05s ease, filter .15s ease;
}
button:active { transform: translateY(1px); }
.primary { background: var(--accent); color: #04160b; }
.primary:hover { filter: brightness(1.1); }
.ghost { background: var(--panel-2); color: var(--muted); border: 1px solid var(--line); font-size: 12px; padding: 6px 12px; }
.ghost:hover { color: var(--text); }
button[disabled] { opacity: .5; cursor: wait; }

.grid {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 260px 1fr;
  gap: 16px;
  padding: 18px 24px;
  min-height: 0;
}

.col {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

h2 {
  margin: 0 0 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 8px;
}
h2 .ghost { margin-left: auto; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--muted); display: inline-block; }
.dot.in { background: var(--accent-2); }
.dot.out { background: var(--accent); }

textarea {
  flex: 1;
  resize: none;
  background: #0d1118;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  font-family: inherit;
  font-size: 13px;
  line-height: 1.5;
  outline: none;
  min-height: 320px;
}
textarea:focus { border-color: var(--accent-2); }
textarea[readonly] { color: var(--accent); opacity: .95; }

.opts { display: flex; flex-direction: column; gap: 8px; }
.opt {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 8px;
  background: var(--panel-2);
}
.opt:hover { background: #1e2637; }
.opt .mini { margin-left: auto; width: 110px; padding: 5px 8px; font-size: 12px; }
input[type=checkbox] { accent-color: var(--accent); }

.group { margin-top: 14px; }
.group h3 {
  margin: 0 0 8px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--muted);
  border-bottom: 1px dashed var(--line);
  padding-bottom: 4px;
}
.prose { margin-top: 8px; font-size: 12px; color: var(--muted); display: flex; align-items: center; gap: 10px; }
.prose input[type=range] { flex: 1; accent-color: var(--accent); }
.val { color: var(--text); min-width: 36px; }

.stats { margin-left: auto; font-size: 11px; color: var(--muted); }
.warnings { margin-top: 10px; font-size: 12px; color: var(--danger); white-space: pre-wrap; }
.warnings:empty { display: none; }

footer {
  display: flex;
  justify-content: space-between;
  padding: 12px 24px;
  font-size: 12px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}
.fb { color: var(--accent); }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
}