:root{
  --bg:#0d1017; --bg2:#141925; --panel:#161c28; --panel2:#1c2434;
  --line:#27303f; --line2:#323d50;
  --text:#e7edf5; --muted:#94a2b8; --faint:#64748b;
  --accent:#ffc93a; --accent2:#f59e0b;
  --good:#34d399; --good-bg:#0e2a22;
  --warn:#fbbf24; --warn-bg:#2a2410;
  --info:#60a5fa; --info-bg:#0f1f33;
  --crit:#f87171; --crit-bg:#2c1416;
  --radius:12px; --shadow:0 6px 24px rgba(0,0,0,.35);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{background:radial-gradient(1200px 600px at 80% -10%,#1a2030 0,var(--bg) 60%);color:var(--text);font-family:var(--sans);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:var(--mono);background:#0b0e14;border:1px solid var(--line);border-radius:5px;padding:1px 5px;font-size:.86em;color:#ffd97a}
.wrap{max-width:1080px;margin:0 auto;padding:24px 20px 80px}

/* top nav */
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:8px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.2px}
.brand .spark{color:var(--accent)}
.brand .dot{width:10px;height:10px;border-radius:50%;background:var(--accent);box-shadow:0 0 14px var(--accent)}
.topbar .links{display:flex;gap:18px;font-size:13.5px;color:var(--muted)}

/* landing */
.hero{text-align:center;padding:46px 10px 30px}
.hero h1{font-size:40px;margin:0 0 10px;font-weight:800;letter-spacing:-.5px}
.hero h1 .spark{color:var(--accent)}
.hero p{color:var(--muted);font-size:17px;max-width:620px;margin:0 auto 6px}
.loadbox{max-width:680px;margin:26px auto 0}
#load-form{display:flex;gap:10px}
.input{flex:1;background:var(--panel);border:1px solid var(--line2);color:var(--text);border-radius:10px;padding:13px 15px;font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s}
.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,201,58,.15)}
.btn{background:var(--accent);color:#1a1500;border:none;border-radius:10px;padding:13px 20px;font-size:15px;font-weight:700;cursor:pointer;transition:filter .15s,transform .05s}
.btn:hover{filter:brightness(1.06)}
.btn:active{transform:translateY(1px)}
.btn.ghost{background:transparent;color:var(--text);border:1px solid var(--line2);font-weight:600}
.btn.ghost:hover{border-color:var(--accent);color:var(--accent);filter:none}
.btn.sm{padding:7px 12px;font-size:13px}
.hint{color:var(--faint);font-size:13px;margin-top:10px;text-align:center}
.hint .sample-link{cursor:pointer}

.dropzone{margin:20px auto 0;max-width:680px;border:1.5px dashed var(--line2);border-radius:12px;padding:22px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s,background .15s}
.dropzone:hover,.dropzone.drag{border-color:var(--accent);background:rgba(255,201,58,.05);color:var(--text)}
.dropzone strong{color:var(--text)}

.features{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:42px}
.feature{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.feature h3{margin:0 0 6px;font-size:15.5px}
.feature p{margin:0;color:var(--muted);font-size:13.5px}
.feature .ic{font-size:20px;margin-bottom:8px}

.status{margin:16px auto 0;max-width:680px;border-radius:10px;padding:12px 15px;font-size:14px;display:none}
.status.err{background:var(--crit-bg);border:1px solid #5b2326;color:#fecaca}
.status.ok{background:var(--good-bg);border:1px solid #1f5142;color:#bbf7d0}

#loader{display:none;align-items:center;justify-content:center;gap:12px;margin:26px auto 0;color:var(--muted)}
.spinner{width:22px;height:22px;border:3px solid var(--line2);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* result header */
.rheader{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:18px}
.rtitle{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:700}
.rsub{color:var(--muted);font-size:13.5px;margin-top:4px}
.rheader-actions{display:flex;gap:10px;flex-wrap:wrap}
.badge{font-size:12px;font-weight:700;padding:3px 9px;border-radius:999px}
.badge-type{background:rgba(255,201,58,.16);color:var(--accent);border:1px solid rgba(255,201,58,.3)}

/* tabs */
.tabbar{display:flex;flex-wrap:wrap;gap:2px 4px;border-bottom:1px solid var(--line);margin-bottom:20px}
.tab{background:none;border:none;color:var(--muted);padding:10px 13px;font-size:13.5px;font-weight:600;cursor:pointer;border-bottom:2px solid transparent;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.active{color:var(--accent);border-bottom-color:var(--accent)}

/* summary banner */
.summary-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;border-radius:var(--radius);padding:18px 20px;margin-bottom:18px;border:1px solid var(--line)}
.summary-banner.good{background:var(--good-bg);border-color:#1f5142}
.summary-banner.warn{background:var(--warn-bg);border-color:#5a4a16}
.summary-banner.bad{background:var(--crit-bg);border-color:#5b2326}
.sb-verdict{font-size:19px;font-weight:700}
.sb-counts{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-size:12.5px;font-weight:700;padding:4px 10px;border-radius:999px;background:#0b0e14;border:1px solid var(--line2)}
.pill.crit{color:var(--crit)}.pill.warn{color:var(--warn)}.pill.info{color:var(--info)}

/* stat grid */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:8px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;position:relative;overflow:hidden}
.stat:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--line2)}
.stat.good:before{background:var(--good)}.stat.warn:before{background:var(--warn)}.stat.bad:before{background:var(--crit)}
.stat-label{color:var(--muted);font-size:12.5px;font-weight:600;text-transform:uppercase;letter-spacing:.4px}
.stat-big{font-size:26px;font-weight:800;margin-top:4px}
.stat-big .unit{font-size:15px;font-weight:600;color:var(--muted);margin-left:1px}
.stat-sub{color:var(--faint);font-size:12px;margin-top:2px}

/* sections */
.section{margin-top:26px}
.section h3{font-size:16px;margin:0 0 12px;font-weight:700}
.section h4{font-size:14px;margin:18px 0 8px;color:var(--muted);font-weight:700}
.section-note{color:var(--muted);font-size:13.5px;margin-bottom:12px}
.empty{color:var(--faint);font-size:14px;padding:24px;text-align:center;background:var(--panel);border:1px dashed var(--line2);border-radius:var(--radius)}

/* recommendations */
.filterbar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}
.chip{background:var(--panel);border:1px solid var(--line2);color:var(--muted);border-radius:999px;padding:6px 13px;font-size:13px;font-weight:600;cursor:pointer;opacity:.55}
.chip.on{opacity:1}
.chip-critical.on{border-color:var(--crit);color:var(--crit)}
.chip-warning.on{border-color:var(--warn);color:var(--warn)}
.chip-info.on{border-color:var(--info);color:var(--info)}
.chip-good.on{border-color:var(--good);color:var(--good)}
.rec-list{display:flex;flex-direction:column;gap:10px}
.rec{display:flex;gap:0;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.rec-side{flex:0 0 auto;display:flex;align-items:flex-start;padding:14px 0 0 14px}
.rec-body{padding:13px 16px 14px 12px;flex:1;min-width:0}
.rec-title{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;flex-wrap:wrap}
.rec-cat{font-size:11px;font-weight:600;color:var(--faint);background:#0b0e14;border:1px solid var(--line);padding:2px 7px;border-radius:6px;text-transform:uppercase;letter-spacing:.3px}
.rec-detail{color:var(--muted);font-size:13.5px;margin-top:5px}
.rec-fix{font-size:13.5px;margin-top:7px;color:var(--text)}
.rec-link{display:inline-block;margin-top:7px;font-size:13px}
.sev{font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.4px;padding:3px 8px;border-radius:6px;white-space:nowrap}
.sev-critical{background:var(--crit-bg);color:var(--crit)}
.sev-warning{background:var(--warn-bg);color:var(--warn)}
.sev-info{background:var(--info-bg);color:var(--info)}
.sev-good{background:var(--good-bg);color:var(--good)}
.rec-critical{border-left:3px solid var(--crit)}
.rec-warning{border-left:3px solid var(--warn)}
.rec-info{border-left:3px solid var(--info)}
.rec-good{border-left:3px solid var(--good)}

/* key/value */
.kv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:8px 22px}
.kv-grid.wide{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.kv{display:flex;justify-content:space-between;gap:14px;border-bottom:1px solid var(--line);padding:7px 0;font-size:13.5px}
.kv .k{color:var(--muted)}
.kv .v{text-align:right;font-weight:600}

/* bars */
.bar-list{display:flex;flex-direction:column;gap:6px}
.bar-row{display:flex;align-items:center;gap:10px;font-size:13px}
.bar-label{flex:0 0 200px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar-track{flex:1;background:#0b0e14;border-radius:5px;height:14px;overflow:hidden;border:1px solid var(--line)}
.bar-fill{height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent))}
.bar-val{flex:0 0 auto;color:var(--faint);font-variant-numeric:tabular-nums;min-width:64px;text-align:right}

/* tables */
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.3px;padding:8px 10px;border-bottom:1px solid var(--line2)}
.tbl td{padding:8px 10px;border-bottom:1px solid var(--line)}
.tbl tbody tr:hover{background:var(--panel2)}
.tbl .mono,.mono{font-family:var(--mono);font-size:12.5px}
.tbl tr.flag-critical td:first-child{box-shadow:inset 3px 0 var(--crit)}
.tbl tr.flag-warning td:first-child{box-shadow:inset 3px 0 var(--warn)}
.tbl tr.flag-info td:first-child{box-shadow:inset 3px 0 var(--info)}
.ok-dot{color:var(--good);font-size:12px}
.bar-cell{width:120px}
.mini-bar{height:10px;background:linear-gradient(90deg,var(--accent2),var(--accent));border-radius:3px}
.heap-tbl td:nth-child(1){color:var(--faint)}

.tag{font-size:12px;background:#0b0e14;border:1px solid var(--line2);border-radius:6px;padding:3px 9px;color:var(--muted)}
.chiprow{display:flex;gap:8px;flex-wrap:wrap}
.code-block{background:#0b0e14;border:1px solid var(--line);border-radius:10px;padding:12px 14px;font-family:var(--mono);font-size:12.5px;color:#cbd5e1;overflow:auto;white-space:pre-wrap;word-break:break-all}

/* charts */
.chart-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;margin-bottom:12px}
.chart-title{display:flex;justify-content:space-between;font-size:13.5px;font-weight:600;margin-bottom:4px}
.chart-cur{color:var(--accent);font-variant-numeric:tabular-nums}
.chart-canvas{width:100%;height:90px;display:block}

/* flame + tree controls */
.flame-ctrl{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.ctrl-label{color:var(--muted);font-size:13px;font-weight:600}
.select{background:var(--panel);border:1px solid var(--line2);color:var(--text);border-radius:8px;padding:8px 10px;font-size:13.5px;outline:none}
.search{max-width:260px;padding:8px 12px;font-size:13.5px}
.flame-wrap{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:6px;overflow-x:hidden}
.flame-canvas{display:block;width:100%}
.flame-tip{position:fixed;z-index:50;background:#0b0e14;border:1px solid var(--line2);border-radius:8px;padding:8px 10px;font-size:12.5px;max-width:420px;pointer-events:none;box-shadow:var(--shadow)}
.tip-name{font-family:var(--mono);color:#ffd97a;word-break:break-all;margin-bottom:3px}
.tip-meta{color:var(--muted)}
.tip-hint{color:var(--faint);font-size:11px;margin-top:3px}

/* call tree */
.tree-host{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:8px;font-family:var(--mono);font-size:12.5px;overflow-x:auto}
.tn-children{margin-left:16px;border-left:1px solid var(--line)}
.tn-head{display:flex;align-items:center;gap:8px;padding:2px 4px;border-radius:5px}
.tn-head:hover{background:var(--panel2)}
.tn-toggle{width:12px;color:var(--faint);flex:0 0 auto}
.tn-bar{flex:0 0 90px;height:10px;background:#0b0e14;border-radius:3px;overflow:hidden;border:1px solid var(--line)}
.tn-bar-fill{display:block;height:100%;background:linear-gradient(90deg,var(--accent2),var(--accent))}
.tn-pct{flex:0 0 52px;text-align:right;color:var(--accent);font-variant-numeric:tabular-nums}
.tn-time{flex:0 0 70px;text-align:right;color:var(--faint);font-variant-numeric:tabular-nums}
.tn-name{white-space:nowrap}
.tn-cls{color:var(--muted)}
.tn-mth{color:var(--text)}
.tn-more{color:var(--faint);padding:3px 4px 3px 20px}

.footer{margin-top:60px;text-align:center;color:var(--faint);font-size:12.5px;border-top:1px solid var(--line);padding-top:22px}

@media(max-width:680px){
  .hero h1{font-size:30px}
  #load-form{flex-direction:column}
  .features{grid-template-columns:1fr}
  .rheader{flex-direction:column}
  .bar-label{flex-basis:120px}
}

/* platform badge */
.badge-plat{background:#0b0e14;color:var(--muted);border:1px solid var(--line2);text-transform:uppercase;font-size:11px;letter-spacing:.5px}

/* mods on recommendation cards */
.rec-mods{margin-top:9px;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.rec-mods-label{font-size:12px;color:var(--faint);font-weight:600}
.mod-chip{font-size:12.5px;font-weight:600;background:rgba(255,201,58,.12);color:var(--accent);border:1px solid rgba(255,201,58,.3);border-radius:7px;padding:3px 9px;text-decoration:none}
.mod-chip:hover{background:rgba(255,201,58,.2);text-decoration:none}

/* misc */
.small{font-size:12px;color:var(--muted)}
td.small{color:var(--muted)}

/* ============ micro-interactions ============ */
/* Always-on (cheap) transitions */
.stat,.feature,.chart-card,.rec{transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease}
.tab{transition:color .15s ease,border-color .15s ease}
.btn,.chip,.mod-chip,.rec-link{transition:transform .12s ease,filter .15s ease,background .15s ease,border-color .15s ease,color .15s ease}
.tbl tbody tr{transition:background .12s ease}
.stat:before{transition:width .16s ease}
.bar-fill,.tn-bar-fill,.mini-bar{transition:filter .15s ease}

.stat:hover,.chart-card:hover{transform:translateY(-2px);border-color:var(--line2);box-shadow:0 10px 26px rgba(0,0,0,.30)}
.stat:hover:before{width:4px}
.feature:hover{transform:translateY(-3px);border-color:rgba(255,201,58,.35);box-shadow:0 12px 30px rgba(0,0,0,.32)}
.rec:hover{transform:translateY(-1px);border-color:var(--line2)}
.btn:hover{transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.mod-chip:hover{transform:translateY(-1px)}
.bar-row:hover .bar-fill,.tn-head:hover .tn-bar-fill{filter:brightness(1.12)}

/* Motion-only flourishes (respect reduced-motion preference) */
@media (prefers-reduced-motion: no-preference){
  /* logo blob pulse */
  .brand .dot{animation:blobPulse 2.6s ease-in-out infinite}
  @keyframes blobPulse{
    0%,100%{box-shadow:0 0 0 0 rgba(255,201,58,.5), 0 0 12px var(--accent)}
    50%{box-shadow:0 0 0 6px rgba(255,201,58,0), 0 0 22px var(--accent)}
  }

  /* entrance fade-up */
  @keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
  #result{animation:fadeUp .38s cubic-bezier(.2,.8,.2,1) both}
  .panel.anim{animation:fadeUp .3s cubic-bezier(.2,.8,.2,1) both}

  /* staggered recommendation cards */
  .rec-list .rec{animation:fadeUp .34s cubic-bezier(.2,.8,.2,1) both}
  .rec-list .rec:nth-child(1){animation-delay:.02s}
  .rec-list .rec:nth-child(2){animation-delay:.06s}
  .rec-list .rec:nth-child(3){animation-delay:.10s}
  .rec-list .rec:nth-child(4){animation-delay:.14s}
  .rec-list .rec:nth-child(5){animation-delay:.18s}
  .rec-list .rec:nth-child(6){animation-delay:.22s}
  .rec-list .rec:nth-child(n+7){animation-delay:.26s}

  /* bars grow in */
  .bar-fill,.tn-bar-fill,.mini-bar{transform-origin:left center;animation:growX .6s cubic-bezier(.2,.8,.2,1) both}
  @keyframes growX{from{transform:scaleX(0)}to{transform:scaleX(1)}}

  /* stat cards rise on first paint */
  .stat{animation:fadeUp .4s cubic-bezier(.2,.8,.2,1) both}
  .stat:nth-child(2){animation-delay:.03s}
  .stat:nth-child(3){animation-delay:.06s}
  .stat:nth-child(4){animation-delay:.09s}
  .stat:nth-child(5){animation-delay:.12s}
  .stat:nth-child(6){animation-delay:.15s}
  .stat:nth-child(7){animation-delay:.18s}

  /* spinner already animates; smooth status fade */
  .summary-banner{animation:fadeUp .4s cubic-bezier(.2,.8,.2,1) both}
}

/* ===== overhaul UI ===== */
.brand.clickable{cursor:pointer}
.brand.clickable:hover .spark{filter:brightness(1.15)}

/* platform badge + profile strip */
.plat-badge{display:inline-flex;align-items:center;justify-content:center;min-width:30px;height:24px;padding:0 7px;border-radius:7px;font-size:12.5px;font-weight:800;letter-spacing:.3px}
.profile-strip{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.pchip{font-size:12px;background:var(--panel);border:1px solid var(--line);border-radius:7px;padding:3px 8px;color:var(--text)}
.pchip .pk{color:var(--faint);text-transform:uppercase;letter-spacing:.3px;font-size:10.5px;margin-right:3px}

/* help icon on stat cards */
.stat-label{display:flex;align-items:center;gap:6px}
.help{display:inline-flex;align-items:center;justify-content:center;width:14px;height:14px;border-radius:50%;border:1px solid var(--line2);color:var(--faint);font-size:10px;font-weight:700;cursor:help;line-height:1}
.help:hover{color:var(--accent);border-color:var(--accent)}

/* mob icons */
.mob-ic{display:inline-flex;align-items:center;justify-content:center;width:18px;height:18px;margin-right:6px;vertical-align:middle;flex:0 0 auto}
.mob-ic-img{width:18px;height:18px;image-rendering:pixelated;object-fit:contain;display:block}
.mob-ic-fb{font-size:14px;line-height:1}
.bar-label{display:flex;align-items:center;gap:0}

/* entity-hotspot accordion */
.acc{border:1px solid var(--line);border-radius:var(--radius);margin-bottom:10px;overflow:hidden;background:var(--panel)}
.acc-head{display:flex;align-items:center;gap:10px;width:100%;background:none;border:none;color:var(--text);padding:12px 14px;cursor:pointer;font-size:14.5px;text-align:left;transition:background .12s ease}
.acc-head:hover{background:var(--panel2)}
.acc-arrow{color:var(--faint);flex:0 0 auto}
.acc-title{font-weight:700;text-transform:capitalize}
.acc-total{margin-left:auto;color:var(--muted);font-size:13px}
.acc-total strong{color:var(--text)}
.acc-body{padding:4px 14px 14px;border-top:1px solid var(--line)}
.tt-cell{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.tt-cell .tt{color:var(--muted);font-size:12px;margin-right:8px}
.tt-cell .mob-ic{width:16px;height:16px;margin-right:2px}
.tt-cell .mob-ic-img{width:16px;height:16px}

/* interactive timeline */
.chart-wrap{position:relative}
.chart-canvas{width:100%;height:110px;display:block;cursor:crosshair}
.chart-tip{position:absolute;top:-2px;transform:translateY(-100%);background:#0b0e14;border:1px solid var(--line2);border-radius:7px;padding:5px 8px;font-size:12px;pointer-events:none;white-space:nowrap;box-shadow:var(--shadow);z-index:5}
.chart-tip strong{color:var(--accent);margin-right:6px}
.chart-tip span{color:var(--muted)}
.chart-stats{color:var(--faint);font-size:11.5px;margin-top:4px;font-variant-numeric:tabular-nums}

/* official platform logos (drop PNGs in assets/img/<platform>.png) */
.plat-badge{position:relative;overflow:hidden}
.plat-badge .plat-logo{display:none}
.plat-badge.has-logo{background:transparent !important;padding:0;min-width:0;width:28px;height:28px;overflow:hidden;border-radius:7px}
.plat-badge.has-logo .plat-logo{display:block;width:28px;height:28px;border-radius:7px;object-fit:cover;background:#0b0e14}
.plat-badge.has-logo .plat-mono{display:none}