/* ===== Dog a Bone — the toolset ===== */
:root{
  --bg:#0c0f17; --bg2:#10141f; --panel:#161b2a; --line:#2a3246;
  --text:#e8e6e0; --muted:#8b93a7; --gold:#d4a94e; --gold2:#b98a2f; --green:#4ade80;
  --serif:"Cormorant Garamond","Playfair Display",Georgia,serif;
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{font-family:var(--sans);font-size:14px;color:var(--text);background:var(--bg);overflow:hidden}
button{font-family:var(--sans)}
em{font-style:italic;color:var(--gold)}
.db-app{display:flex;flex-direction:column;height:100vh}

/* top */
.db-top{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:10px 14px;background:var(--bg2);border-bottom:1px solid var(--line);flex-wrap:wrap}
.db-brand{font-family:var(--serif);font-size:1.2rem}
.db-sub{display:block;font-family:var(--sans);font-size:.56rem;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.db-engines{display:flex;gap:8px;flex-wrap:wrap;flex:1;justify-content:center}
.db-engine{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:7px 12px;color:var(--text);cursor:pointer;font-size:.76rem;display:inline-flex;align-items:center;gap:7px;transition:.2s}
.db-engine:hover{border-color:var(--gold)}
.en-dot{width:8px;height:8px;border-radius:50%;background:#6b7280;display:inline-block}
.en-dot.on{background:var(--green);box-shadow:0 0 8px var(--green)}
.en-url{color:var(--muted);font-size:.66rem}
.db-top-right{display:flex;gap:8px}
.db-tb{background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:8px;padding:8px 14px;cursor:pointer;font-size:.82rem;transition:.2s}
.db-tb:hover{border-color:var(--gold);color:var(--gold)}
.db-tb.db-gold{background:linear-gradient(135deg,#b98a2f,#d4a94e);color:#fff;border:none;font-weight:600}
.db-up{position:relative}

/* body */
.db-body{display:grid;grid-template-columns:200px 1fr 280px;flex:1;min-height:0}

/* rail */
.db-rail{background:var(--bg2);padding:14px;overflow-y:auto}
.db-h{font-size:.62rem;letter-spacing:.26em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.db-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
.db-tool{aspect-ratio:1;background:var(--panel);border:1px solid var(--line);border-radius:8px;color:var(--text);font-size:1rem;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.15s}
.db-tool:hover{border-color:var(--gold)}
.db-tool.active{background:linear-gradient(135deg,#b98a2f,#d4a94e);color:#fff;border-color:transparent}
.db-pals{display:flex;flex-direction:column;gap:8px}
.db-pal{border:1px solid var(--line);border-radius:8px;padding:8px;cursor:pointer;transition:.2s}
.db-pal:hover{border-color:var(--gold)}
.db-pal.active{border-color:var(--gold);background:linear-gradient(180deg,rgba(185,138,47,.14),transparent)}
.db-pal .pal-name{font-size:.68rem;color:var(--muted);margin-bottom:5px;letter-spacing:.06em}
.db-pal .pal-row{display:flex;gap:3px}
.db-pal .pal-row span{flex:1;height:12px;border-radius:3px;display:block}
.db-mini{display:flex;flex-direction:column;gap:8px}
.db-sel{width:100%;background:var(--panel);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:7px 10px;font-size:.78rem}
.db-mini-label{display:flex;flex-direction:column;gap:4px;font-size:.64rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}
.db-mini-label input{width:100%;accent-color:var(--gold)}

/* stage */
.db-stage{display:flex;flex-direction:column;background:radial-gradient(1000px 500px at 50% 0%,#1d2436,#0a0d15);align-items:center;justify-content:center;padding:16px;min-width:0;overflow:hidden}
.db-holder{position:relative;box-shadow:0 30px 90px rgba(0,0,0,.65),0 0 0 1px var(--line);border-radius:6px;max-width:100%;max-height:calc(100% - 96px)}
#dbCanvas{display:block;max-width:100%;max-height:100%;background:#0a1229;border-radius:6px;cursor:crosshair}
.db-cap{position:absolute;bottom:-28px;left:0;right:0;text-align:center;font-size:.66rem;letter-spacing:.2em;color:var(--muted);text-transform:uppercase}
.db-strip{display:flex;gap:10px;margin-top:34px;max-width:100%;overflow-x:auto;padding-bottom:4px}
.db-frame{position:relative;flex-shrink:0;width:110px;height:66px;border-radius:6px;overflow:hidden;cursor:pointer;border:1px solid var(--line);transition:.2s}
.db-frame img,.db-frame canvas{width:100%;height:100%;object-fit:cover}
.db-frame span{position:absolute;left:0;right:0;bottom:0;font-size:.56rem;background:rgba(0,0,0,.7);color:#fff;padding:2px 6px;text-align:center}
.db-frame:hover{border-color:var(--gold);transform:translateY(-3px)}
.db-frame.active{border-color:var(--gold);box-shadow:0 0 0 2px var(--gold)}

/* dock */
.db-dock{background:var(--bg2);display:flex;flex-direction:column;min-height:0}
.db-tabs{display:flex;border-bottom:1px solid var(--line)}
.db-tabs button{flex:1;background:none;border:none;color:var(--muted);padding:11px 6px;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;cursor:pointer;border-bottom:2px solid transparent;transition:.2s}
.db-tabs button.active{color:var(--gold);border-bottom-color:var(--gold)}
.db-dock-body{flex:1;overflow-y:auto;padding:14px}
.db-tabpane{display:none}
.db-tabpane.active{display:block}
.db-efxgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:6px}
.db-efx{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 6px;text-align:center;cursor:pointer;transition:.2s}
.db-efx:hover{border-color:var(--gold);transform:translateY(-2px)}
.db-efx.active{border-color:var(--gold);background:linear-gradient(180deg,rgba(185,138,47,.18),transparent)}
.db-efx .e-ico{display:block;font-size:1rem;margin-bottom:2px}
.db-efx .e-name{font-size:.62rem;color:var(--muted);letter-spacing:.04em}
.db-gen-box{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px;margin-bottom:12px}
.db-gen-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;font-size:.86rem}
.db-state{font-size:.64rem;color:var(--muted);letter-spacing:.06em}
.db-gen-box textarea{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:9px 11px;font-family:var(--sans);font-size:.8rem;resize:vertical;margin-bottom:8px}
.db-gen-btn{width:100%;background:linear-gradient(135deg,#b98a2f,#d4a94e);border:none;color:#fff;border-radius:6px;padding:10px;font-size:.82rem;font-weight:600;cursor:pointer;transition:.2s}
.db-gen-btn:hover{transform:translateY(-1px)}
.db-field{margin-bottom:9px}
.db-field label{display:block;font-size:.62rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);margin-bottom:4px}
.db-field input,.db-field select{width:100%;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:8px 10px;font-size:.8rem}
.db-agents{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:10px 0}
.db-agent{background:var(--bg);border:1px solid var(--line);border-radius:6px;padding:7px 4px;text-align:center}
.db-agent .a-id{font-family:var(--serif);font-size:.9rem;color:var(--gold);display:block}
.db-agent .a-state{font-size:.56rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.db-agent.working{border-color:var(--gold);background:#241f10}
.db-agent.done{border-color:var(--green)}
.db-log{background:var(--bg);color:#c9d0df;font-family:ui-monospace,Menlo,monospace;font-size:.68rem;line-height:1.8;padding:10px;border-radius:6px;height:130px;overflow-y:auto;white-space:pre-wrap}
.db-log .ok{color:var(--green)} .db-log .warn{color:#fbbf24}
.db-insp{display:flex;flex-direction:column;gap:8px}
.db-insp .i-row{display:flex;align-items:center;gap:8px}
.db-insp .i-row label{font-size:.62rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);width:64px;flex-shrink:0}
.db-insp input,.db-insp select{flex:1;background:var(--bg);border:1px solid var(--line);color:var(--text);border-radius:6px;padding:6px 9px;font-size:.78rem}
.db-muted{color:var(--muted)} .small{font-size:.72rem}
.db-insp .i-del{background:none;border:1px solid #7a2430;color:#ff8a94;border-radius:6px;padding:7px;cursor:pointer;font-size:.76rem}
.db-insp .i-del:hover{background:#7a2430;color:#fff}

/* modal */
.db-modal{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:300;display:none;align-items:center;justify-content:center;padding:18px}
.db-modal.open{display:flex}
.db-modal-card{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:30px;max-width:760px;width:100%;max-height:92vh;overflow-y:auto;position:relative}
.db-modal-x{position:absolute;top:14px;right:16px;background:none;border:none;color:var(--muted);font-size:1.2rem;cursor:pointer}
.db-modal-title{font-family:var(--serif);font-size:1.7rem;font-weight:500;margin-bottom:20px}
.db-tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.db-tier{background:var(--panel);border:1px solid var(--line);border-radius:10px;padding:20px;transition:.25s;display:flex;flex-direction:column;gap:10px}
.db-tier:hover{transform:translateY(-4px);border-color:var(--gold);box-shadow:0 20px 50px rgba(0,0,0,.4)}
.db-tier h3{font-family:var(--serif);font-size:1.3rem;font-weight:500}
.db-tier .t-tag{font-size:.7rem;color:var(--gold);letter-spacing:.04em}
.db-tier ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.db-tier li{font-size:.78rem;color:var(--text);padding-left:14px;position:relative}
.db-tier li::before{content:"—";position:absolute;left:0;color:var(--gold)}

/* toast */
.db-toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--bg2);border:1px solid var(--gold);color:var(--text);padding:11px 20px;border-radius:8px;font-size:.82rem;opacity:0;transition:.3s;z-index:400;pointer-events:none}
.db-toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

@media(max-width:1080px){.db-body{grid-template-columns:170px 1fr}.db-dock{display:none}}
@media(max-width:760px){.db-body{grid-template-columns:1fr}.db-rail{display:none}.db-tiers{grid-template-columns:1fr}}