:root{
  --bg:#f4f5f7;--panel:#fff;--text:#1c2430;--muted:#667085;--line:#d9dee5;--accent:#2457d6;--accent-soft:#e8eefc;
  --danger:#c0362c;--ok:#1a7f4b;--warnbg:#fff4e0;--warn:#8a5300;
  --fs:13px;--ctl:26px;
}
@media (prefers-color-scheme:dark){:root{--bg:#14171c;--panel:#1d2128;--text:#e6e9ee;--muted:#98a2b3;--line:#323844;--accent:#6d93f5;--accent-soft:#232c44;--danger:#f0776d;--ok:#4cc38a;--warnbg:#3a2e17;--warn:#f0c674}}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font:var(--fs)/1.35 system-ui,sans-serif}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit;color:inherit}
input,select{height:var(--ctl);width:100%;padding:0 7px;border:1px solid var(--line);border-radius:5px;background:var(--panel);min-width:0}
input:focus,select:focus,button:focus-visible{outline:2px solid var(--accent);outline-offset:-1px}
label.l{display:block;font-size:11px;color:var(--muted);margin:0 0 2px}
button{height:var(--ctl);padding:0 10px;border:1px solid var(--line);border-radius:5px;background:var(--panel);cursor:pointer;white-space:nowrap;transition:border-color .12s,background-color .12s,box-shadow .12s}
button:hover:not(:disabled){border-color:var(--accent)}
button:active:not(:disabled){transform:translateY(1px)}
button.primary{background:var(--accent);border-color:var(--accent);color:#fff}
button.primary:hover:not(:disabled){filter:brightness(1.08)}
button.danger{color:var(--danger)}
button.ghost{border-color:transparent;background:none}
button.icon{padding:0;width:var(--ctl)}
button:disabled{opacity:.45;cursor:default}
small,.muted{color:var(--muted)}
.mono{font-family:ui-monospace,monospace;font-size:12px}

/* login */
.login{max-width:300px;margin:10vh auto;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:8px;display:grid;gap:10px}
.login h1{margin:0;font-size:16px}

/* shell */
.app{display:flex;flex-direction:column;height:100vh}
.topbar{display:flex;align-items:center;gap:8px;padding:6px 12px;background:var(--panel);border-bottom:1px solid var(--line)}
.brand{font-weight:600;margin-right:6px}
.spacer{flex:1}
.banner{padding:5px 12px;background:var(--warnbg);color:var(--warn);border-bottom:1px solid var(--line);font-size:12px}
.stage{flex:1;overflow:auto;padding:10px 12px 24px}
.empty{max-width:420px;margin:12vh auto;text-align:center;color:var(--muted);display:grid;gap:10px;justify-items:center}

/* picker */
.picker{position:relative}
.picker-btn{min-width:280px;max-width:44vw;width:auto}
.picker-btn .name{flex:1;overflow:hidden;text-overflow:ellipsis}
.picker-pop{position:absolute;z-index:20;top:calc(100% + 4px);left:0;width:420px;max-width:92vw;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 28px rgba(0,0,0,.22);padding:6px}
.picker-list{max-height:min(60vh,420px);overflow:auto;margin-top:6px;display:grid;gap:1px}
.picker-item{display:flex;align-items:center;gap:8px;height:auto;min-height:30px;padding:3px 8px;border-color:transparent;background:none;text-align:left;width:100%}
.picker-item .nm{flex:1;overflow:hidden;text-overflow:ellipsis}
.picker-item.active,.picker-item:hover{background:var(--accent-soft)}
.picker-item.current{font-weight:600}
.picker-foot{padding:4px 8px 0;font-size:11px;color:var(--muted)}
.badge{font-size:10px;padding:1px 6px;border-radius:9px;border:1px solid var(--line);color:var(--muted);white-space:nowrap}

/* editor */
.edhead{display:flex;align-items:center;gap:8px;position:sticky;top:-10px;z-index:5;margin:-10px -12px 10px;padding:8px 12px;background:var(--bg);border-bottom:1px solid var(--line)}
.edhead h2{margin:0;font-size:15px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.dirty{color:var(--warn);font-size:12px;white-space:nowrap}
.cols{display:grid;grid-template-columns:minmax(300px,380px) minmax(0,1fr);gap:10px;align-items:start;max-width:1500px}
.stack{display:grid;gap:10px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:9px 11px}
.card>h3{margin:0 0 7px;font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);display:flex;align-items:center;gap:8px;font-weight:600}
.card>h3 .spacer{flex:1}
.g2{display:grid;grid-template-columns:1fr 1fr;gap:7px}
.g{display:grid;gap:7px}
.hint{font-size:11px;color:var(--muted);margin-top:2px;overflow-wrap:anywhere}
details summary{cursor:pointer;color:var(--muted);font-size:12px;margin-top:2px}
details[open] summary{margin-bottom:6px}
.inline{display:flex;align-items:center;gap:6px}

/* chips */
.chips{display:flex;flex-wrap:wrap;gap:4px;padding:4px;border:1px solid var(--line);border-radius:5px;background:var(--panel);cursor:text}
.chip{display:inline-flex;align-items:center;gap:4px;padding:1px 4px 1px 8px;border-radius:11px;background:var(--accent-soft);font-size:12px}
.chip.bad{background:none;border:1px solid var(--danger);color:var(--danger)}
.chip button{height:18px;width:18px;padding:0;border:0;background:none;border-radius:9px;line-height:1}
.chips input{border:0;outline:0;flex:1;min-width:130px;height:22px;padding:0 3px;background:none}

/* fields table */
.ftable{width:100%;border-collapse:collapse}
.ftable th{font-size:11px;color:var(--muted);text-align:left;font-weight:500;padding:0 3px 3px;white-space:nowrap}
.ftable td{padding:2px 3px}
.ftable tr.dupe input.fname{border-color:var(--danger)}
.ftable td.act{white-space:nowrap;text-align:right}
.ftable td.act button{width:22px;padding:0}
.presets{display:flex;gap:4px;flex-wrap:wrap;align-items:center}
.presets button{height:22px;padding:0 8px;font-size:12px}

/* messages */
.toast{position:fixed;bottom:14px;left:50%;transform:translateX(-50%);padding:7px 14px;border-radius:6px;background:var(--text);color:var(--bg);z-index:50;box-shadow:0 4px 16px rgba(0,0,0,.3)}
.toast.err{background:var(--danger);color:#fff}
.msg{padding:7px 10px;border-radius:6px;margin:0 0 8px;border:1px solid var(--danger);color:var(--danger);background:var(--panel)}
.msg ul{margin:3px 0 0 16px;padding:0}

@media (prefers-color-scheme:dark){button.primary{color:#0b1220}.toast.err{color:#0b1220}}
@media (max-width:900px){.cols{grid-template-columns:1fr}.picker-btn{min-width:0}.brand{display:none}}

/* ---------- custom controls ---------- */
*{scrollbar-width:thin;scrollbar-color:var(--line) transparent}
input{transition:border-color .12s,box-shadow .12s}
input:hover:not(:focus):not([type=checkbox]){border-color:var(--muted)}
input:focus,.sel:focus-visible,.chips:focus-within{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
button:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-soft);border-color:var(--accent)}
.chips input:focus{box-shadow:none}
input[type=number]{appearance:textfield;-moz-appearance:textfield}
input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{appearance:none;-webkit-appearance:none;margin:0}
::placeholder{color:var(--muted);opacity:.7}

/* dropdown */
.sel{display:flex;align-items:center;justify-content:space-between;gap:6px;width:100%;padding:0 8px;text-align:left;background:var(--panel)}
.sel-label{flex:1;overflow:hidden;text-overflow:ellipsis}
.sel-caret{width:7px;height:7px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:translateY(-2px) rotate(45deg);transition:transform .15s;flex:none}
.sel[aria-expanded=true]{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.sel[aria-expanded=true] .sel-caret{transform:translateY(1px) rotate(-135deg)}
.sel-pop{position:fixed;z-index:40;max-height:min(300px,50vh);overflow:auto;padding:4px;background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.2);animation:pop .1s ease-out}
@keyframes pop{from{opacity:0;transform:translateY(-3px)}to{opacity:1;transform:none}}
.sel-opt{display:flex;align-items:center;gap:6px;padding:5px 10px 5px 4px;border-radius:5px;cursor:pointer;white-space:nowrap}
.sel-opt.active{background:var(--accent-soft)}
.sel-opt.selected{font-weight:600}
.sel-opt .tick{width:14px;text-align:center;color:var(--accent);font-size:11px}

/* checkbox + switch */
input[type=checkbox]{appearance:none;-webkit-appearance:none;width:16px;height:16px;margin:0;border:1px solid var(--muted);border-radius:4px;background:var(--panel);display:inline-grid;place-content:center;cursor:pointer;vertical-align:middle;transition:background-color .12s,border-color .12s}
input[type=checkbox]::after{content:"";width:8px;height:4px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:translateY(-1px) rotate(-45deg) scale(0);transition:transform .1s}
input[type=checkbox]:checked{background:var(--accent);border-color:var(--accent)}
input[type=checkbox]:checked::after{transform:translateY(-1px) rotate(-45deg) scale(1)}
input[type=checkbox]:hover{border-color:var(--accent)}
input[type=checkbox]:focus-visible{outline:none;box-shadow:0 0 0 3px var(--accent-soft)}
input[type=checkbox].switch{width:30px;height:18px;border-radius:9px;justify-content:start;padding:0 2px;background:var(--line);border-color:transparent}
input[type=checkbox].switch::after{width:14px;height:14px;border:0;border-radius:50%;background:#fff;transform:none;box-shadow:0 1px 2px rgba(0,0,0,.35);transition:transform .15s}
input[type=checkbox].switch:checked{background:var(--accent)}
input[type=checkbox].switch:checked::after{transform:translateX(12px)}

/* disclosure */
details>summary{list-style:none;display:flex;align-items:center;gap:6px;user-select:none}
details>summary::-webkit-details-marker{display:none}
details>summary::before{content:"";width:6px;height:6px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(-45deg);transition:transform .15s}
details[open]>summary::before{transform:rotate(45deg)}
.card{box-shadow:0 1px 2px rgba(16,24,40,.04)}