:root{
  --bg: #f0f7f8; --panel: #ffffff; --panel-2: #dcedf0; --line: #c3dde1;
  --accent: #0d7d8a; --accent-soft: #cdeaee; --accent-dim: #eef7f8;
  --text: #14282a; --muted: #4c6d71; --muted-2: #91b0b4; --bad: #a1481a;
}

.pane{ border-radius: 10px; overflow: hidden; border: 1px solid var(--line); background: var(--panel); margin-bottom: 16px; }
.pane-head{ padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--line); background: var(--panel-2); }
.pane-head .title{ font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text); }
.pane-head .tag{ font-family: 'JetBrains Mono', monospace; font-size: 10px; padding: 2px 8px; border-radius: 20px; background: var(--accent-soft); color: var(--accent); }
.pane-body{ padding: 18px; }

/* INTRO / EXPLAINER */
.intro-head{ padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; cursor: pointer; background: var(--panel-2); }
.pane-head-title{ font-size: 11px; font-weight: 700; letter-spacing: 1.2px; text-transform: uppercase; color: var(--text); }
.intro-arrow{ font-size: 12.5px; font-weight: 600; color: var(--accent); }
.intro-body{ padding: 16px 18px; font-size: 13px; color: var(--muted); line-height: 1.6; }
.intro-body.hidden{ display: none; }

.field-table{ width: 100%; border-collapse: collapse; margin-top: 10px; font-size: 13px; }
.field-table th, .field-table td{ border: 1px solid var(--line); padding: 6px 8px; text-align: center; }
.field-table th{ background: var(--accent-dim); color: var(--text); }
.field-table code, .intro-body code{ background: var(--accent-dim); border-radius: 4px; padding: 1px 5px; font-family: 'JetBrains Mono', monospace; }

/* INPUT */
.input-box{
  width: 100%; padding: 12px; border: 1px solid var(--line); border-radius: 6px; box-sizing: border-box;
  font-family: 'JetBrains Mono', monospace; font-size: 14px; color: var(--text); background: #fff;
}
.input-box:focus{ outline: none; border-color: var(--accent); }

/* CHIPS */
.chips{ display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip{ font-size: 12px; font-weight: 600; padding: 7px 13px; border-radius: 20px; background: #fff; border: 1px solid var(--line); color: var(--text); cursor: pointer; transition: background .15s ease, color .15s ease; }
.chip:hover{ background: var(--accent); color: #fff; border-color: var(--accent); }

/* OPTIONS GRID */
.grid{ display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; }
@media (max-width: 600px){ .grid{ grid-template-columns: 1fr; } }

.toggle{
  display: flex; justify-content: space-between; align-items: center; padding: 11px 14px;
  border: 1px solid var(--line); background: var(--accent-dim); border-radius: 8px; font-size: 13px; color: var(--text); cursor: pointer;
}
.toggle input{ accent-color: var(--accent); width: 16px; height: 16px; cursor: pointer; }

/* BUTTONS */
.btns{ display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; flex-wrap: wrap; }
.app{ padding: 11px 20px; border: none; border-radius: 6px; cursor: pointer; font-weight: 600; font-size: 13.5px; font-family: 'Inter', sans-serif; color: #fff; background: var(--accent); transition: filter .15s ease; }
.app:hover{ filter: brightness(1.1); }
.gray{ background: var(--line); color: var(--text); }

/* OUTPUT */
.output{ font-size: 13px; line-height: 1.6; }
.output .placeholder{ color: var(--muted-2); white-space: pre-wrap; }

.result-headline{
  background: var(--accent); color: #fff; border-radius: 8px; padding: 16px 18px;
  font-size: 17px; font-weight: 600; margin-bottom: 14px; line-height: 1.4;
}
.result-headline .sub{ display: block; font-size: 12px; font-weight: 400; color: var(--accent-soft); margin-top: 6px; font-family: 'JetBrains Mono', monospace; }

.result-breakdown{ display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin-bottom: 16px; }
@media (max-width: 600px){ .result-breakdown{ grid-template-columns: repeat(2, 1fr); } }
.rb-cell{ background: var(--panel-2); border: 1px solid var(--line); border-radius: 6px; padding: 9px 6px; text-align: center; }
.rb-cell .k{ font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .3px; margin-bottom: 4px; }
.rb-cell .v{ font-family: 'JetBrains Mono', monospace; font-size: 13px; font-weight: 700; color: var(--accent); }

.result-runs{ border: 1px solid var(--line); border-radius: 8px; padding: 14px 16px; margin-bottom: 14px; }
.result-runs h4{ margin: 0 0 10px; font-size: 11px; color: var(--accent); text-transform: uppercase; letter-spacing: 1px; }
.run-row{ display: flex; padding: 7px 0; border-bottom: 1px dashed var(--line); font-size: 13px; font-family: 'JetBrains Mono', monospace; color: var(--text); }
.run-row:last-child{ border-bottom: none; }
.run-row .idx{ color: var(--muted-2); font-size: 11px; margin-right: 8px; min-width: 20px; font-family: 'Inter', sans-serif; }

.result-verbose{ background: var(--accent-dim); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px; font-size: 12px; color: var(--muted); line-height: 1.6; }
.result-verbose code{ background: #fff; border-radius: 4px; padding: 1px 5px; font-family: 'JetBrains Mono', monospace; }

.result-error{ background: #fdf1ec; border: 1px solid #f0c7ab; color: var(--bad); border-radius: 8px; padding: 14px 16px; font-size: 13px; font-weight: 600; }
.result-error code{ background: #fff; border-radius: 4px; padding: 1px 5px; font-family: 'JetBrains Mono', monospace; }