/* ══ DEVTOOLS SHARED STYLES v3.0 ══════════════════════════ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --ink:#0d0f12;--paper:#f0ede6;--card:#f7f4ee;--border:#dedad1;
  --accent:#ff4136;--teal:#00897b;--blue:#1565c0;--gold:#f5a623;
  --purple:#7c3aed;--pink:#db2777;
  --err:#b83228;--err-bg:rgba(184,50,40,.07);--err-border:rgba(184,50,40,.28);
  --muted:#7a7468;--success:#16a34a;
  --c-str:#2d7a2d;--c-num:#c04a00;--c-bool:#1565c0;--c-null:#880e4f;--c-key:#4a148c;
  --ln:#e8e5de;--lnc:#b8b2a4;--lnw:48px;--tree-line:#d0ccc4;
  --ch-bg:#0e0e10;--ch-surf:#18181c;--ch-surf2:#222228;--ch-brd:#2e2e38;
  --ch-acc:#f0c040;--ch-acc2:#e05a5a;--ch-txt:#e8e8f0;--ch-muted:#6e6e88;
  --nav-h:52px;
}
body{font-family:'Instrument Sans',sans-serif;background:var(--paper);color:var(--ink);min-height:100vh;font-size:15px;line-height:1.6}
/* NAV */
nav.topnav{background:var(--ink);color:var(--paper);height:var(--nav-h);display:flex;align-items:center;padding:0 0 0 20px;border-bottom:3px solid var(--accent);gap:0;position:fixed;top:0;left:0;right:0;z-index:1000;overflow-x:auto}
.nav-logo{font-family:'Syne',sans-serif;font-size:1.25rem;font-weight:800;letter-spacing:.1em;display:flex;align-items:center;gap:8px;margin-right:16px;text-decoration:none;color:var(--paper);flex-shrink:0}
.nav-logo .dot{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse 2s ease-in-out infinite;flex-shrink:0}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.6);opacity:.6}}
.nav-links{display:flex;height:100%;gap:0;flex:1;overflow-x:auto;scrollbar-width:none}
.nav-links::-webkit-scrollbar{display:none}
.nav-link{height:100%;padding:0 14px;border:none;background:transparent;color:rgba(255,255,255,.45);font-family:'JetBrains Mono',monospace;font-size:.7rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;cursor:pointer;border-bottom:3px solid transparent;transition:all .15s;display:flex;align-items:center;gap:6px;text-decoration:none;flex-shrink:0;white-space:nowrap}
.nav-link:hover{color:rgba(255,255,255,.8);background:rgba(255,255,255,.05)}
.nav-link.active{color:var(--paper);border-bottom-color:var(--accent);background:rgba(255,255,255,.07)}
.nav-link .ni{font-size:.9rem;opacity:.8}
.nav-right{margin-left:auto;padding:0 16px;font-family:'JetBrains Mono',monospace;font-size:.6rem;color:rgba(255,255,255,.25);flex-shrink:0}
/* BUTTONS */
.btn{height:34px;padding:0 16px;border-radius:6px;border:1.5px solid var(--ink);background:var(--paper);color:var(--ink);font-family:'JetBrains Mono',monospace;font-size:.74rem;font-weight:700;cursor:pointer;transition:all .12s;display:inline-flex;align-items:center;gap:5px;white-space:nowrap}
.btn:hover{background:var(--ink);color:var(--paper)}
.btn-prim{background:var(--accent);border-color:var(--accent);color:white}.btn-prim:hover{background:#cc2a21;color:white}
.btn-teal{background:var(--teal);border-color:var(--teal);color:white}.btn-teal:hover{background:#006b60;color:white}
.btn-out-teal{background:transparent;border-color:var(--teal);color:var(--teal)}.btn-out-teal:hover{background:var(--teal);color:white}
.btn-out-acc{background:transparent;border-color:var(--accent);color:var(--accent)}.btn-out-acc:hover{background:var(--accent);color:white}
.btn-ghost{border-color:var(--border);color:var(--muted)}.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-lg{height:44px;padding:0 24px;font-size:.8rem;border-radius:8px}
/* LLM PANEL */
.llm-panel{background:linear-gradient(135deg,rgba(124,58,237,.06),rgba(219,39,119,.04));border:1px solid rgba(124,58,237,.2);border-radius:12px;padding:18px;display:flex;flex-direction:column;gap:14px}
.llm-header{display:flex;align-items:center;gap:8px;font-family:'Syne',sans-serif;font-size:.95rem;font-weight:700;color:var(--purple)}
.llm-header .llm-dot{width:9px;height:9px;border-radius:50%;background:var(--purple);animation:pulse 2s infinite}
.llm-textarea{width:100%;min-height:90px;background:rgba(255,255,255,.7);border:1px solid rgba(124,58,237,.2);border-radius:8px;color:var(--ink);font-family:'JetBrains Mono',monospace;font-size:.8rem;padding:12px;resize:vertical;outline:none;transition:border-color .2s;line-height:1.7}
.llm-textarea:focus{border-color:var(--purple)}
.llm-textarea::placeholder{color:var(--muted)}
.llm-output{background:rgba(255,255,255,.8);border:1px solid rgba(124,58,237,.15);border-radius:8px;padding:14px;font-family:'JetBrains Mono',monospace;font-size:.8rem;line-height:1.8;color:var(--ink);min-height:70px;white-space:pre-wrap;word-break:break-word}
.llm-output.loading{color:var(--muted);font-style:italic}
.llm-output.error{color:var(--err);border-color:rgba(184,50,40,.3)}
.llm-btn{background:var(--purple);border:none;color:white;border-radius:8px;padding:10px 18px;font-family:'Syne',sans-serif;font-size:.85rem;font-weight:700;cursor:pointer;transition:opacity .15s,transform .1s;display:flex;align-items:center;gap:6px}
.llm-btn:hover{opacity:.88;transform:translateY(-1px)}
.llm-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}
.llm-model-tag{font-family:'JetBrains Mono',monospace;font-size:.58rem;color:rgba(124,58,237,.6);background:rgba(124,58,237,.08);padding:2px 8px;border-radius:20px;border:1px solid rgba(124,58,237,.15)}
/* RESIZABLE PANELS */
.resizer{width:6px;background:var(--border);cursor:col-resize;flex-shrink:0;transition:background .15s;position:relative;z-index:10;user-select:none}
.resizer:hover,.resizer.dragging{background:var(--accent)}
.resizer::after{content:'⋮';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--muted);font-size:.9rem;line-height:1;opacity:.5}
.resizer-h{height:6px;width:100%;background:var(--border);cursor:row-resize;flex-shrink:0;transition:background .15s;position:relative;user-select:none}
.resizer-h:hover,.resizer-h.dragging{background:var(--accent)}
.resizer-h::after{content:'···';position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);color:var(--muted);font-size:.7rem;opacity:.5}
/* PANEL LABEL */
.panel-label{font-family:'JetBrains Mono',monospace;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border-bottom:1.5px solid var(--border);padding-bottom:9px;margin-bottom:4px;display:flex;align-items:center;justify-content:space-between}
/* SIDEBAR */
.sidebar{flex-shrink:0;overflow-y:auto;background:var(--card);border-right:1px solid var(--border);padding:16px;display:flex;flex-direction:column;gap:14px;min-width:220px;max-width:540px}
.panel{background:white;border:1.5px solid var(--border);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:12px}
.pt{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border-bottom:1px solid var(--border);padding-bottom:8px;font-family:'JetBrains Mono',monospace}
/* DROP ZONE */
.drop{border:2px dashed var(--border);border-radius:10px;padding:24px 16px;text-align:center;cursor:pointer;transition:all .2s;position:relative}
.drop:hover,.drop.over{border-color:var(--blue);background:rgba(21,101,192,.03)}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.drop-icon{font-size:2.2rem;margin-bottom:10px}
.drop p{font-size:.84rem;color:var(--muted);line-height:1.5}
.fname{font-family:'JetBrains Mono',monospace;font-size:.74rem;color:var(--blue);margin-top:6px;word-break:break-all}
/* MAIN AREA */
.main-area{flex:1;display:flex;flex-direction:column;min-width:0;min-height:0;overflow:hidden}
.toolbar{height:46px;background:var(--card);border-bottom:1.5px solid var(--border);display:flex;align-items:center;padding:0 18px;gap:10px;flex-shrink:0}
.toolbar-label{font-family:'JetBrains Mono',monospace;font-size:.74rem;color:var(--muted)}
/* TOAST */
#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(60px);background:var(--ink);color:var(--paper);padding:10px 22px;border-radius:24px;font-family:'JetBrains Mono',monospace;font-size:.74rem;transition:transform .3s cubic-bezier(.34,1.56,.64,1);z-index:99999;pointer-events:none;white-space:nowrap;box-shadow:0 4px 20px rgba(0,0,0,.3)}
#toast.show{transform:translateX(-50%) translateY(0)}
#toast.ok::before{content:'✓  ';color:#4caf50}#toast.err::before{content:'✗  ';color:var(--accent)}#toast.info::before{content:'◆  ';color:var(--gold)}
/* UTIL */
.pill{padding:3px 9px;border-radius:20px;font-weight:700;font-size:.62rem;font-family:'JetBrains Mono',monospace}
.pill-ok{background:rgba(76,175,80,.15);color:#16a34a}.pill-err{background:rgba(184,50,40,.12);color:var(--err)}.pill-warn{background:rgba(245,166,35,.15);color:#92400e}.pill-info{background:rgba(21,101,192,.1);color:var(--blue)}
::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--muted)}