:root{--bg:#0b1020;--card:#101832;--text:#e6e8ee;--muted:#9aa3b2;--border:#26304d;--ok:#2ecc71;--bad:#e74c3c;--warn:#f1c40f}
*{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)}
.container{max-width:1100px;margin:0 auto;padding:20px}
.header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}
h1{margin:0;font-size:24px}
h2{margin:0 0 12px 0;font-size:18px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,0.25)}
label{display:block;margin-bottom:10px;font-size:13px;color:var(--muted)}
input,textarea{width:100%;margin-top:6px;border:1px solid var(--border);background:#0c1430;color:var(--text);border-radius:10px;padding:10px;font-size:14px;outline:none}
textarea{resize:vertical}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
button{border:1px solid var(--border);background:#17224a;color:var(--text);padding:10px 12px;border-radius:10px;cursor:pointer}
button:hover{filter:brightness(1.08)}
button.secondary{background:transparent}
.pill{border:1px solid var(--border);padding:6px 10px;border-radius:999px;font-size:12px;color:var(--muted)}
.pill.ok{border-color:rgba(46,204,113,0.6);color:var(--ok)}
.pill.bad{border-color:rgba(231,76,60,0.6);color:var(--bad)}
.output{background:#070c1a;border:1px solid var(--border);border-radius:12px;padding:12px;min-height:360px;overflow:auto}
.muted{color:var(--muted)}
.small{font-size:12px}
.footer{margin-top:16px}
@media (max-width: 900px){.grid{grid-template-columns:1fr}.output{min-height:260px}}


/* --- Professional response layout --- */
.cardHeaderRow{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px;}
.responseGrid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:10px;}
@media(min-width: 980px){
  .responseGrid{grid-template-columns: 1fr 1.15fr;}
}
.panel{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.06);border-radius:14px;padding:14px;}
.panelHeader{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:10px;}
.panelHeader h3{margin:0;font-size:14px;letter-spacing:0.2px;text-transform:uppercase;color:var(--muted);}
.kv{display:grid;grid-template-columns: 110px 1fr;gap:8px 10px;margin-bottom:10px;}
.kv .k{color:var(--muted);font-size:12px;}
.kv .v{font-size:13px;word-break:break-word;}
.mono{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;}
.details summary{cursor:pointer;color:var(--muted);font-size:12px;user-select:none;margin-top:8px;}
.details[open] summary{margin-bottom:8px;}
.answer{padding:2px 2px 4px 2px;line-height:1.45;font-size:14px;}
.answer h1,.answer h2,.answer h3{margin:10px 0 6px 0;}
.answer h1{font-size:20px;}
.answer h2{font-size:18px;}
.answer h3{font-size:16px;}
.answer p{margin:8px 0;}
.answer ul,.answer ol{margin:8px 0 8px 22px;}
.answer code{background:rgba(255,255,255,0.07);padding:1px 5px;border-radius:8px;font-size:0.95em;}
.answer pre{background:rgba(0,0,0,0.35);padding:10px;border-radius:12px;overflow:auto;}

/* =========================================================
   HARMONIA DEVTOOL TEMPLATE — STATE-CENTRIC LAYOUT (ADDON)
   Adds:
   - Sticky Agents bar
   - Prompt panel (command surface)
   - Current state panel as primary scroll container
   - Previous state panel collapsed by default
   Notes:
   - Apply by adding class="devtool" to <body>
   ========================================================= */

/* Extend tokens (keeps existing palette) */
:root{
  --bg-0:#070c1a;       /* darker/near-black */
  --bg-1:var(--bg);     /* deep navy */
  --bg-2:#0f1b2d;       /* slightly lighter navy */

  --surface-1: rgba(255,255,255,0.03);
  --surface-2: rgba(255,255,255,0.05);
  --border-1: rgba(255,255,255,0.06);
  --border-2: rgba(255,255,255,0.10);

  --text-0: rgba(230,232,238,0.98);
  --text-1: rgba(230,232,238,0.82);
  --text-2: rgba(154,163,178,0.95);
  --text-3: rgba(154,163,178,0.70);

  --accent: #2dd4bf;        /* teal */
  --accent-2: var(--ok);    /* health ok */

  --font-sans: system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --radius: 16px;
  --radius-sm: 12px;
  --shadow: 0 10px 30px rgba(0,0,0,0.25);

  --gap-1: 10px;
  --gap-2: 14px;
  --gap-3: 18px;

  --pad-1: 10px;
  --pad-2: 14px;
  --pad-3: 18px;

  --agentsbar-h: 56px;
  --prev-collapsed-h: 52px;

  --prompt-min-h: 84px;
  --prompt-max-h: 240px;
}

/* IMPORTANT: use this class to switch the template into "devtool mode" */
body.devtool{
  background:
    radial-gradient(1200px 800px at 20% 0%, rgba(45,212,191,0.10), transparent 60%),
    radial-gradient(900px 700px at 100% 20%, rgba(46,204,113,0.08), transparent 55%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
  overflow: hidden; /* prevent page scroll; panels scroll internally */
  color: var(--text-0);
}

/* App frame */
.app{
  height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Sticky Agents bar */
.agentsbar{
  height: var(--agentsbar-h);
  flex: 0 0 var(--agentsbar-h);
  display: flex;
  align-items: center;
  gap: var(--gap-2);
  padding: 0 var(--pad-3);
  border-bottom: 1px solid var(--border-1);
  background: linear-gradient(180deg, rgba(7,12,26,0.88), rgba(11,16,32,0.88));
  backdrop-filter: blur(10px);
}

.agentsbar__title{
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-2);
  text-transform: uppercase;
}

.agentsbar__chips{
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: nowrap;
  overflow: hidden;
}

.chip{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.03);
  color: var(--text-1);
  white-space: nowrap;
}

.chip--active{
  border-color: rgba(45,212,191,0.35);
  box-shadow: 0 0 0 3px rgba(45,212,191,0.08);
  color: var(--text-0);
}

/* Health badge (top right) */
.badge{
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(7,12,26,0.50);
  color: var(--text-2);
}

.badge--ok{
  border-color: rgba(46,204,113,0.45);
  color: rgba(46,204,113,0.98);
}

/* Main vertical stack */
.main{
  flex: 1 1 auto;
  display: flex;
  flex-direction: column;
  gap: var(--gap-2);
  padding: var(--pad-3);
  min-height: 0; /* critical for internal scroll */
}

/* Panels */
.panel{
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.02));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel__header{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: var(--pad-2) var(--pad-3);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(16,24,50,0.45); /* close to --card but translucent */
}

.panel__title{
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-2);
  text-transform: uppercase;
}

.panel__meta{
  font-size: 12px;
  color: var(--text-3);
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}

/* Prompt panel */
.prompt{ flex: 0 0 auto; }

.prompt__body{
  padding: var(--pad-3);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap-2);
}

.prompt__label{
  font-size: 12px;
  color: var(--text-2);
  font-weight: 700;
}

.prompt__textarea{
  width: 100%;
  min-height: var(--prompt-min-h);
  max-height: var(--prompt-max-h);
  resize: vertical;
  padding: 12px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: #0c1430;
  color: var(--text-0);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  outline: none;
}

.prompt__textarea:focus{
  border-color: rgba(45,212,191,0.45);
  box-shadow: 0 0 0 3px rgba(45,212,191,0.10);
}

.prompt__actions{
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}

.btn{
  appearance: none;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 800;
  color: var(--text);
  background: #17224a;
  cursor: pointer;
}

.btn:hover{ filter: brightness(1.08); }
.btn:active{ transform: translateY(1px); }

.btn--primary{
  border-color: rgba(45,212,191,0.35);
  background: rgba(45,212,191,0.14);
}

.btn--ghost{
  background: transparent;
  color: var(--muted);
}

/* Current state panel (PRIMARY scroll) */
.current{
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.current__body{
  padding: var(--pad-3);
  overflow: auto; /* main scroll happens here */
  min-height: 0;
}

/* Compiled-state typography */
.state{
  font-size: 14px;
  line-height: 1.55;
  color: var(--text-0);
}

.state .muted{ color: var(--text-2); font-size: 12.5px; }
.state .small{ font-size: 12px; color: var(--text-3); }
.state h1,.state h2,.state h3{ margin: 10px 0 6px 0; color: var(--text-0); }
.state h1{ font-size: 20px; }
.state h2{ font-size: 18px; }
.state h3{ font-size: 16px; }
.state p{ margin: 8px 0; color: var(--text-1); }
.state ul,.state ol{ margin: 8px 0 8px 22px; color: var(--text-1); }
.state code{
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.07);
  padding: 1px 6px;
  border-radius: 8px;
  font-size: 0.95em;
}
.state pre{
  font-family: var(--font-mono);
  background: rgba(0,0,0,0.35);
  padding: 10px;
  border-radius: 12px;
  overflow: auto;
  border: 1px solid rgba(255,255,255,0.08);
}

/* Previous state panel (collapsed by default) */
.previous{ flex: 0 0 auto; }

.previous--collapsed .previous__body{ display: none; }

.previous__toggle{
  display: flex;
  align-items: center;
  gap: 10px;
}

.previous__hint{
  font-size: 12px;
  color: var(--text-3);
}

.previous__body{
  max-height: 220px;
  overflow: auto;
  padding: var(--pad-3);
  border-top: 1px solid rgba(255,255,255,0.06);
}


/* Mini inline inputs (product/session in header) */
.miniInput{
  width: 140px;
  padding: 6px 10px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0c1430;
  color: var(--text);
  font-size: 12px;
  outline: none;
}
.miniInput:focus{
  border-color: rgba(45,212,191,0.45);
  box-shadow: 0 0 0 3px rgba(45,212,191,0.10);
}
