:root{
  --bg:#000000;
  --bg-rgb:0,0,0;
  --fg-rgb:255,255,255;
  --accent-rgb:255,215,0;
  --card-fg-rgb:0,0,0;
  --card-tint-rgb:255,255,255;
  --control-bg:#171717;
  --fg:#ffffff;
  --accent:#FFD700;
  --card-bg:#FFD700;
  --card-fg:#000000;
  --muted:rgba(var(--fg-rgb),.72);
  --muted2:rgba(var(--fg-rgb),.55);
  --shadow:0 18px 40px rgba(0,0,0,.45);
  --radius:16px;
  --radius2:22px;
  --border:1px solid rgba(var(--accent-rgb),.35);
  --focus:0 0 0 3px rgba(var(--accent-rgb),.35);
  --mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono","Courier New",monospace;
  --sans:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{margin:0;font-family:var(--sans);background:var(--bg);color:var(--fg);}
a{color:inherit;}
.app{display:grid;grid-template-rows:auto 1fr auto;min-height:100%;}
header{position:sticky;top:0;z-index:10;background:linear-gradient(to bottom, rgba(var(--bg-rgb),.96), rgba(var(--bg-rgb),.74));backdrop-filter:blur(10px);border-bottom:1px solid rgba(var(--accent-rgb),.25);}
.bar{display:flex;gap:12px;align-items:center;padding:14px 16px;max-width:1400px;margin:0 auto;}
.brand{display:flex;align-items:center;gap:10px;min-width:230px;}
.brand img{width:34px;height:34px;border-radius:12px;box-shadow:var(--shadow);background:var(--accent);}
.brand-title{display:flex;align-items:center;gap:8px;}
.brand h1{margin:0;font-size:16px;letter-spacing:.5px;font-weight:650;}
.brand .sub{font-size:12px;color:var(--muted2);}
.search{flex:1;display:flex;gap:10px;align-items:center;padding:10px 12px;border-radius:999px;border:var(--border);background:rgba(var(--fg-rgb),.05);}
.search input{width:100%;border:0;outline:none;background:transparent;color:var(--fg);font-size:14px;}
.search input::placeholder{color:rgba(var(--fg-rgb),.45);}
.kbd{font-family:var(--mono);font-size:12px;padding:4px 8px;border-radius:10px;border:1px solid rgba(var(--accent-rgb),.25);color:rgba(var(--fg-rgb),.78);user-select:none;white-space:nowrap;}
.btn{cursor:pointer;border:1px solid rgba(var(--accent-rgb),.35);background:rgba(var(--accent-rgb),.10);color:var(--fg);padding:10px 12px;border-radius:14px;font-weight:650;font-size:13px;letter-spacing:.2px;}
.btn:hover{background:rgba(var(--accent-rgb),.16);}
.btn:active{transform:translateY(1px);}
.btn.secondary{border-color:rgba(var(--fg-rgb),.18);background:rgba(var(--fg-rgb),.06);color:rgba(var(--fg-rgb),.9);}
.btn.secondary:hover{background:rgba(var(--fg-rgb),.09);}
main{max-width:1400px;width:100%;margin:0 auto;padding:16px;display:grid;grid-template-columns:280px 1fr;gap:16px;}
aside{border:1px solid rgba(var(--accent-rgb),.22);border-radius:var(--radius2);background:rgba(var(--fg-rgb),.04);box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;min-height:0;}
.side-top{padding:14px 14px 10px 14px;border-bottom:1px solid rgba(var(--accent-rgb),.18);}
.side-top h2{margin:0;font-size:13px;letter-spacing:.35px;text-transform:uppercase;color:rgba(var(--fg-rgb),.85);}
.tree{padding:10px 10px 14px 10px;overflow:auto;}
.tree .node{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:12px;cursor:pointer;user-select:none;}
.tree .node:hover{background:rgba(var(--fg-rgb),.06);}
.tree .node.active{background:rgba(var(--accent-rgb),.14);outline:1px solid rgba(var(--accent-rgb),.25);}
.twisty{width:18px;display:inline-flex;align-items:center;justify-content:center;color:rgba(var(--fg-rgb),.75);font-family:var(--mono);}
.label{flex:1;font-size:13px;color:rgba(var(--fg-rgb),.92);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.count{font-family:var(--mono);font-size:12px;color:rgba(var(--fg-rgb),.7);}
.content{display:flex;flex-direction:column;gap:16px;min-width:0;min-height:0;}
.panel{border:1px solid rgba(var(--accent-rgb),.22);border-radius:var(--radius2);background:rgba(var(--fg-rgb),.04);box-shadow:var(--shadow);overflow:hidden;}
.panel-head{padding:12px 14px;border-bottom:1px solid rgba(var(--accent-rgb),.18);display:flex;gap:12px;align-items:baseline;justify-content:space-between;}
.panel-head .title{font-weight:720;letter-spacing:.25px;}
.panel-head .meta{color:var(--muted2);font-size:12px;}
.grid{padding:14px;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;}
.card{background:var(--card-bg);color:var(--card-fg);border-radius:var(--radius);padding:12px 12px 10px 12px;box-shadow:0 12px 30px rgba(0,0,0,.35);display:flex;flex-direction:column;gap:10px;}
.row1{display:flex;gap:10px;align-items:flex-start;}
.icon{width:40px;height:40px;border-radius:14px;background:rgba(var(--card-fg-rgb),.12);display:flex;align-items:center;justify-content:center;overflow:hidden;flex:0 0 auto;}
.icon img{width:100%;height:100%;object-fit:cover;}
.fallback{font-family:var(--mono);font-weight:700;font-size:13px;}
.card h3{margin:0;font-size:15px;line-height:1.15;font-weight:780;}
.card h3 a{text-decoration:none;}
.card h3 a:hover{text-decoration:underline;}
.desc{margin:0;font-size:12.5px;color:rgba(var(--card-fg-rgb),.78);line-height:1.35;min-height:2.6em;}
.url{font-family:var(--mono);font-size:11.5px;color:rgba(var(--card-fg-rgb),.72);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:2px;}
.chip{font-size:11.5px;padding:4px 8px;border-radius:999px;border:1px solid rgba(var(--card-fg-rgb),.28);background:rgba(var(--card-tint-rgb),.22);color:rgba(var(--card-fg-rgb),.88);user-select:none;}
.chip{cursor:pointer;font-family:inherit;}
.chip:focus{outline:none;box-shadow:0 0 0 3px rgba(var(--card-fg-rgb),.22);}
.card-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:2px;}
.mini{cursor:pointer;border:1px solid rgba(var(--card-fg-rgb),.35);background:rgba(var(--card-tint-rgb),.18);color:rgba(var(--card-fg-rgb),.92);padding:7px 10px;border-radius:12px;font-weight:720;font-size:12px;}
.mini:hover{background:rgba(var(--card-tint-rgb),.26);}
.mini:active{transform:translateY(1px);}
.empty{padding:14px;color:var(--muted);font-size:13px;}
.ddg{padding:14px;}
.ddg p{margin:0 0 10px 0;color:var(--muted);font-size:13px;line-height:1.45;}
.ddg-list{display:flex;flex-direction:column;gap:10px;}
.ddg-item{padding:10px 12px;border-radius:14px;border:1px solid rgba(var(--accent-rgb),.18);background:rgba(var(--fg-rgb),.03);}
.ddg-item a{text-decoration:none;font-weight:720;}
.ddg-item a:hover{text-decoration:underline;}
.ddg-item .t{color:rgba(var(--fg-rgb),.92);font-size:13px;}
.ddg-item .s{margin-top:4px;color:rgba(var(--fg-rgb),.68);font-size:12px;line-height:1.35;}
.ddg-note{margin-top:10px;color:rgba(var(--fg-rgb),.55);font-size:12px;}
dialog{border:1px solid rgba(var(--accent-rgb),.25);border-radius:18px;background:rgba(var(--bg-rgb),.96);color:var(--fg);box-shadow:var(--shadow);padding:0;width:min(680px, calc(100vw - 32px));}
dialog::backdrop{background:rgba(0,0,0,.75);}
.modal-head{padding:14px 14px 10px 14px;border-bottom:1px solid rgba(var(--accent-rgb),.18);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.modal-head .mh{font-weight:800;letter-spacing:.25px;}
.close{cursor:pointer;border:1px solid rgba(var(--fg-rgb),.2);background:rgba(var(--fg-rgb),.06);color:rgba(var(--fg-rgb),.9);padding:8px 10px;border-radius:12px;font-weight:750;font-size:12px;}
.close:hover{background:rgba(var(--fg-rgb),.09);}
form{margin:0;}
.modal-body{padding:14px;display:grid;gap:12px;}
.row{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.field{display:flex;flex-direction:column;gap:6px;}
label{font-size:12px;color:rgba(var(--fg-rgb),.82);letter-spacing:.2px;}
input,textarea{border:1px solid rgba(var(--accent-rgb),.22);background:rgba(var(--fg-rgb),.06);color:var(--fg);border-radius:14px;padding:10px 12px;font-size:13px;outline:none;}
textarea{min-height:90px;resize:vertical;}
input:focus,textarea:focus{box-shadow:var(--focus);}
.help{font-size:12px;color:rgba(var(--fg-rgb),.58);line-height:1.35;}
.modal-foot{padding:12px 14px 14px 14px;border-top:1px solid rgba(var(--accent-rgb),.18);display:flex;justify-content:flex-end;gap:10px;}
.toast{position:fixed;left:50%;bottom:14px;transform:translateX(-50%);background:rgba(var(--bg-rgb),.96);border:1px solid rgba(var(--accent-rgb),.25);color:rgba(var(--fg-rgb),.9);padding:10px 12px;border-radius:14px;font-size:12px;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .16s ease;}
.toast.show{opacity:1;}
.banner{padding:10px 14px;border-bottom:1px solid rgba(var(--accent-rgb),.18);color:rgba(var(--fg-rgb),.78);font-size:12px;background:rgba(var(--accent-rgb),.06);}
.banner a{color:var(--fg);text-decoration:underline;}
@media (max-width:980px){main{grid-template-columns:1fr;} .brand{min-width:200px;}}

/* Reviewed import and explicit privacy controls. */
.library-tools{padding:12px 14px;border-bottom:var(--border);}
.tool-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
select{border:1px solid rgba(var(--accent-rgb),.35);background:var(--control-bg);color:var(--fg);border-radius:10px;padding:10px;font:inherit;max-width:100%;}
select:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
button:disabled{cursor:not-allowed;opacity:.5;transform:none;}
.checkbox-label{display:flex;align-items:center;gap:8px;line-height:1.5;}
.checkbox-label input{width:18px;height:18px;flex-shrink:0;}
.import-details{max-height:220px;overflow:auto;font-size:12px;overflow-wrap:anywhere;}
#importSummary{line-height:1.5;overflow-wrap:anywhere;}
dialog{max-height:calc(100dvh - 32px);overflow:auto;}
@media (max-width:620px){.bar{flex-wrap:wrap;}.search{order:3;flex-basis:100%;}.brand{flex:1;}.row{grid-template-columns:1fr;}.panel-head{flex-wrap:wrap;}.modal-foot{flex-wrap:wrap;}.grid{grid-template-columns:1fr;}}

/* Browser-local themes and non-blocking release status. */
.app-footer{max-width:1400px;width:100%;margin:0 auto;padding:18px 16px 24px;display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 16px;border-top:var(--border);color:var(--muted);font-size:12px;overflow-wrap:anywhere;}
#versionCurrent{font-family:var(--mono);color:var(--fg);}
#versionChecked{flex-basis:100%;text-align:center;color:var(--muted2);}
.theme-colors{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;}
.color-field input[type=color]{width:100%;height:48px;padding:4px;cursor:pointer;}
.color-field output{font-family:var(--mono);font-size:12px;color:var(--muted);}
#themeContrast[data-warning=true]{border-left:3px solid var(--accent);padding-left:10px;font-weight:700;}
#themeTitle{margin:0;font-size:18px;}

/* The existing title link covers the whole card, except its actual buttons.
   Keep wrappers below the link so padding and gaps remain clickable too. */
.card{position:relative;isolation:isolate;}
.card h3{overflow-wrap:anywhere;}
.card h3 a::after{content:"";position:absolute;inset:0;z-index:1;border-radius:var(--radius);}
.card h3 a:hover::after{box-shadow:inset 0 0 0 2px rgba(var(--card-fg-rgb),.32);}
.card h3 a:focus-visible{outline:none;}
.card h3 a:focus-visible::after{outline:3px solid var(--card-fg);outline-offset:2px;}
.card button{position:relative;z-index:2;}
.card button:focus-visible{outline:2px solid var(--card-fg);outline-offset:2px;}

/* Static phosphor-monitor styling: scoped to these presets, with no flicker,
   animation, scanline overlay, or font/image downloads. */
:root:is([data-theme="mono-green"],[data-theme="mono-amber"]){
  --sans:var(--mono);
  --radius:4px;
  --radius2:4px;
  --shadow:0 0 18px rgba(var(--accent-rgb),.12);
  --monitor-filter:grayscale(1) sepia(1) saturate(5) hue-rotate(75deg);
  accent-color:var(--accent);
}
:root[data-theme="mono-amber"]{--monitor-filter:grayscale(1) sepia(1) saturate(5);}
:root:is([data-theme="mono-green"],[data-theme="mono-amber"]) body{text-shadow:0 0 5px rgba(var(--accent-rgb),.28);}
:root:is([data-theme="mono-green"],[data-theme="mono-amber"]) :is(button,input,textarea,select){font-family:var(--mono);}
:root:is([data-theme="mono-green"],[data-theme="mono-amber"]) .card{border:1px solid rgba(var(--accent-rgb),.55);box-shadow:0 0 12px rgba(var(--accent-rgb),.12);}
:root:is([data-theme="mono-green"],[data-theme="mono-amber"]) :is(.brand img,.icon img){filter:var(--monitor-filter);}

/* A disclosure, not an ARIA menu: native buttons/checkbox keep their Tab behavior. */
.settings-control{position:relative;flex-shrink:0;}
.settings-menu{position:absolute;top:calc(100% + 8px);right:0;z-index:20;width:min(350px,calc(100vw - 32px));max-height:calc(100dvh - 100px);overflow:auto;padding:16px;border:var(--border);border-radius:var(--radius);background:var(--bg);box-shadow:var(--shadow);}
.settings-menu:not([hidden]){display:grid;gap:10px;}
.settings-menu h2{margin:10px 0 0;font-size:12px;letter-spacing:.35px;text-transform:uppercase;color:var(--muted);}
.settings-menu h2:first-child{margin-top:0;}
.settings-menu .btn{text-align:left;width:100%;}
.settings-menu .help{margin:0;}
#clearMemoryTitle{margin:0;font-size:18px;}
#clearMemoryDialog .modal-body p{margin:0;line-height:1.5;}
#clearMemoryStatus:not(:empty){border-left:3px solid var(--accent);padding-left:10px;}