/* ============================================================
   VLPS · Vision Lab — optical-instrument console aesthetic
   ============================================================ */
:root{
  --bg:#0a0b0d;
  --panel:#101216;
  --panel-2:#15181d;
  --line:#23272f;
  --line-bright:#333944;
  --paper:#ece7dd;
  --muted:#878d99;
  --acid:#d7ff3e;
  --vermilion:#ff5c38;
  --serif:'Instrument Serif',Georgia,serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--paper);
  font-family:var(--mono);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  /* faint engineering grid */
  background-image:
    linear-gradient(var(--line) 1px,transparent 1px),
    linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px,64px 64px;
  background-position:-1px -1px;
}
/* the grid is too strong at full strength — fade it with an overlay */
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(ellipse 120% 80% at 50% 0%,transparent 0%,var(--bg) 75%);
}
/* film grain */
.grain{
  position:fixed;inset:0;z-index:1;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.console,.hero,.topbar,.foot,.drawer{position:relative;z-index:2}

/* ---------------- top bar ---------------- */
.topbar{
  display:flex;align-items:center;gap:24px;
  padding:16px 28px;border-bottom:1px solid var(--line);
  position:sticky;top:0;background:rgba(10,11,13,.82);backdrop-filter:blur(10px);z-index:30;
}
.brand{display:flex;align-items:baseline;gap:7px;font-weight:700;letter-spacing:.04em}
.reticle{color:var(--acid);font-size:18px;transform:translateY(2px)}
.brand-name{font-size:16px}
.brand-sub{color:var(--muted);font-weight:400;font-size:12px;letter-spacing:.18em;text-transform:uppercase}
.nav{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
.nav button{
  background:none;border:1px solid transparent;color:var(--muted);
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  padding:6px 11px;cursor:pointer;border-radius:2px;transition:.18s;
}
.nav button:hover{color:var(--paper)}
.nav button.on{color:var(--bg);background:var(--acid);border-color:var(--acid)}
.model-badge{
  font-size:11px;color:var(--muted);letter-spacing:.08em;white-space:nowrap;
  border:1px solid var(--line);padding:6px 10px;border-radius:2px;
}
.model-badge.live{color:var(--acid)}

/* ---------------- hero ---------------- */
.hero{padding:90px 28px 70px;max-width:1100px;margin:0 auto;text-align:left}
.hero-coords{
  display:flex;justify-content:space-between;color:var(--muted);
  font-size:11px;letter-spacing:.18em;text-transform:uppercase;
  border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:40px;
}
.hero-title{
  font-family:var(--serif);font-weight:400;font-size:clamp(48px,9vw,120px);
  line-height:.94;letter-spacing:-.01em;
  animation:rise .9s cubic-bezier(.2,.7,.2,1) both;
}
.hero-title em{color:var(--acid);font-style:italic}
.hero-lede{
  max-width:560px;margin-top:30px;color:var(--muted);font-size:15px;line-height:1.7;
  animation:rise .9s .12s cubic-bezier(.2,.7,.2,1) both;
}
.hero-scroll{margin-top:48px;color:var(--muted);font-size:12px;letter-spacing:.2em;text-transform:uppercase;animation:pulse 2.4s infinite}

/* ---------------- console layout ---------------- */
.console{display:grid;grid-template-columns:210px 1fr;gap:0;max-width:1240px;margin:0 auto 80px;padding:0 28px}
.tool-rail{display:flex;flex-direction:column;gap:2px;border-right:1px solid var(--line);padding-right:18px}
.tool-rail button{
  text-align:left;background:none;border:none;color:var(--muted);
  font-family:var(--mono);font-size:13px;padding:13px 12px;cursor:pointer;
  border-left:2px solid transparent;transition:.18s;display:flex;justify-content:space-between;align-items:center;
}
.tool-rail button .idx{font-size:10px;opacity:.5}
.tool-rail button:hover{color:var(--paper);background:var(--panel)}
.tool-rail button.on{color:var(--acid);border-left-color:var(--acid);background:var(--panel)}

/* viewport with viewfinder brackets */
.viewport{position:relative;padding:34px 36px 40px;min-height:560px;background:linear-gradient(180deg,var(--panel),#0d0f12)}
.vp-bracket{position:absolute;width:18px;height:18px;border:2px solid var(--line-bright);pointer-events:none}
.vp-bracket.tl{top:10px;left:10px;border-right:0;border-bottom:0}
.vp-bracket.tr{top:10px;right:10px;border-left:0;border-bottom:0}
.vp-bracket.bl{bottom:10px;left:10px;border-right:0;border-top:0}
.vp-bracket.br{bottom:10px;right:10px;border-left:0;border-top:0}
.vp-readout{position:absolute;top:14px;right:34px;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.vp-readout.busy{color:var(--acid)}

/* panels */
.panel{display:none;animation:fade .4s ease both}
.panel.active{display:block}
.panel-head h2{font-family:var(--serif);font-size:40px;font-weight:400;line-height:1}
.panel-head p{color:var(--muted);margin-top:8px;max-width:600px}

/* controls */
.controls{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin:26px 0 22px}
.field{
  flex:1;min-width:220px;background:var(--bg);border:1px solid var(--line-bright);
  color:var(--paper);font-family:var(--mono);font-size:14px;padding:12px 14px;border-radius:2px;transition:.18s;
}
.field::placeholder{color:#5d636e}
.field:focus{outline:none;border-color:var(--acid);box-shadow:0 0 0 3px rgba(215,255,62,.12)}
.field.subtle{font-size:12px;color:var(--muted)}

.seg{display:inline-flex;border:1px solid var(--line-bright);border-radius:2px;overflow:hidden}
.seg button{background:var(--bg);border:none;color:var(--muted);font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;padding:11px 14px;cursor:pointer;transition:.15s;border-right:1px solid var(--line)}
.seg button:last-child{border-right:0}
.seg button.on{background:var(--acid);color:var(--bg);font-weight:700}

.knob{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:11px;letter-spacing:.1em;text-transform:uppercase}
.knob input[type=range]{accent-color:var(--acid);width:90px}

.go{
  background:var(--paper);color:var(--bg);border:none;font-family:var(--mono);font-weight:700;
  font-size:13px;letter-spacing:.06em;padding:12px 20px;border-radius:2px;cursor:pointer;transition:.16s;
}
.go:hover{background:var(--acid)}
.go:active{transform:translateY(1px)}
.go.ghost{background:none;border:1px solid var(--line-bright);color:var(--paper)}
.go.ghost:hover{border-color:var(--acid);color:var(--acid)}

/* ---------------- results grid ---------------- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.cell{position:relative;border:1px solid var(--line);background:var(--bg);overflow:hidden;cursor:pointer;transition:.2s;aspect-ratio:1/1}
.cell img{width:100%;height:100%;object-fit:cover;display:block;filter:grayscale(.2) contrast(1.02);transition:.3s}
.cell:hover{border-color:var(--acid)}
.cell:hover img{filter:none;transform:scale(1.04)}
.cell .meta{position:absolute;left:0;right:0;bottom:0;padding:8px 9px;background:linear-gradient(transparent,rgba(0,0,0,.92));font-size:10px;line-height:1.35}
.cell .meta .id{color:var(--acid);letter-spacing:.08em}
.cell .meta .cap{color:#cfcabf;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.cell .score{position:absolute;top:7px;right:7px;background:var(--bg);border:1px solid var(--line-bright);color:var(--acid);font-size:9px;padding:2px 5px;letter-spacing:.06em}
.cell .corner{position:absolute;top:6px;left:6px;width:10px;height:10px;border-left:1.5px solid var(--vermilion);border-top:1.5px solid var(--vermilion);opacity:.8}

/* ---------------- split (upload tools) ---------------- */
.split{display:grid;grid-template-columns:300px 1fr;gap:22px;align-items:start}
.dropzone{
  display:flex;align-items:center;justify-content:center;aspect-ratio:4/3;
  border:1px dashed var(--line-bright);border-radius:3px;cursor:pointer;background:var(--bg);
  color:#5d636e;font-size:12px;letter-spacing:.06em;position:relative;overflow:hidden;transition:.2s;text-align:center;
}
.dropzone:hover,.dropzone.drag{border-color:var(--acid);color:var(--acid)}
.dropzone.has-img .dz-label{display:none}
.dropzone img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.stack{display:flex;flex-direction:column;gap:12px}
.stack .field{flex:none}
.answer{min-height:80px;border:1px solid var(--line);border-left:2px solid var(--acid);background:var(--panel-2);padding:16px;font-size:14px;line-height:1.6;color:#e8e3d8;white-space:pre-wrap}
.answer:empty::before{content:"awaiting query…";color:#5d636e}

/* ---------------- ocr versus ---------------- */
.scanout{display:flex;gap:12px;align-items:flex-start;margin:22px 0 16px;border:1px solid var(--line);background:var(--bg);padding:14px 16px;border-radius:2px}
.scanout .lbl{color:var(--acid);font-size:11px;letter-spacing:.1em;flex:none;padding-top:1px}
.scanout .val{color:#d3cec3;font-size:13px;word-break:break-word}
.versus{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.vs-card{border:1px solid var(--line);background:var(--panel-2);padding:18px;border-top:2px solid var(--muted);min-height:90px}
.vs-card.vs-alt{border-top-color:var(--acid)}
.vs-tag{font-size:10px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.vs-card.vs-alt .vs-tag{color:var(--acid)}
.vs-card p{margin-top:10px;font-size:16px;color:var(--paper)}
.vs-foot{display:block;margin-top:12px;font-size:10px;color:#5d636e;letter-spacing:.04em;line-height:1.4}

/* ---------------- findings ---------------- */
.bars{margin:28px 0 6px;display:flex;flex-direction:column;gap:14px}
.bar-row{display:flex;align-items:center;gap:16px}
.bar-lbl{width:96px;flex:none;text-align:right;font-size:11px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.bar-track{flex:1;height:40px;background:var(--bg);border:1px solid var(--line)}
.bar-fill{height:100%;background:var(--acid);display:flex;align-items:center;justify-content:flex-end;padding-right:12px;color:var(--bg);font-weight:700;font-size:14px}
.bar-fill.alt{background:var(--line-bright);color:var(--paper)}
.caption-note{color:var(--muted);font-size:11px;letter-spacing:.06em;margin-top:8px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px;margin:28px 0}
.stat{border:1px solid var(--line);background:var(--panel-2);padding:18px;border-top:2px solid var(--acid)}
.stat-n{display:block;font-family:var(--serif);font-size:34px;line-height:1}
.stat-l{display:block;margin-top:10px;font-size:11px;color:var(--muted);letter-spacing:.04em}
.findings-note{border-left:2px solid var(--vermilion);padding-left:18px;margin-top:6px}
.findings-note p{margin:8px 0;font-size:14px;line-height:1.65;max-width:680px}
.findings-note .muted{color:var(--muted);font-size:12px}

/* ---------------- chat / agent ---------------- */
.chat{display:flex;flex-direction:column;gap:12px;margin:22px 0;min-height:160px}
.msg{max-width:80%;padding:12px 15px;border-radius:3px;font-size:13.5px;line-height:1.6}
.msg.user{align-self:flex-end;background:var(--acid);color:var(--bg);font-weight:500}
.msg.bot{align-self:flex-start;background:var(--panel-2);border:1px solid var(--line);border-left:2px solid var(--vermilion);white-space:pre-wrap}
.msg.think{align-self:flex-start;color:var(--muted);font-style:italic}
.tool-trace{display:flex;flex-wrap:wrap;gap:6px;margin-top:11px}
.tchip{font-size:10px;letter-spacing:.03em;color:var(--acid);border:1px solid var(--line-bright);background:var(--bg);padding:3px 8px;border-radius:2px;white-space:nowrap}
.tchip::before{content:"▸ ";color:var(--muted)}
.msg-imgs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.msg-imgs figure{margin:0;width:120px}
.msg-imgs img{width:120px;height:120px;object-fit:cover;border:1px solid var(--line-bright);border-radius:2px;display:block;transition:.18s}
.msg-imgs img:hover{border-color:var(--acid);transform:scale(1.03)}
.msg-imgs figcaption{margin-top:5px;font-size:10px;color:var(--muted);line-height:1.3;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}

.status{margin-top:16px;color:var(--muted);font-size:12px;letter-spacing:.04em;min-height:18px}

/* ---------------- drawer ---------------- */
.scrim{position:fixed;inset:0;background:rgba(5,6,7,.72);backdrop-filter:blur(2px);opacity:0;pointer-events:none;transition:.3s;z-index:40}
.scrim.on{opacity:1;pointer-events:auto}
.drawer{position:fixed;top:0;right:0;height:100%;width:min(440px,92vw);background:var(--panel);border-left:1px solid var(--line-bright);transform:translateX(100%);transition:.34s cubic-bezier(.2,.7,.2,1);z-index:50;padding:24px;overflow-y:auto}
.drawer.on{transform:none}
.drawer-x{position:absolute;top:16px;right:18px;background:none;border:1px solid var(--line-bright);color:var(--paper);width:30px;height:30px;border-radius:2px;cursor:pointer}
.drawer-x:hover{border-color:var(--vermilion);color:var(--vermilion)}
.drawer img{width:100%;border:1px solid var(--line);margin:20px 0;display:block}
.drawer-body dt{color:var(--acid);font-size:10px;letter-spacing:.14em;text-transform:uppercase;margin-top:16px}
.drawer-body dd{font-size:14px;margin-top:5px;color:#e3ded3;word-break:break-word}

/* ---------------- findings link in topbar ---------------- */
.findings-link{margin-left:auto;color:var(--acid);text-decoration:none;font-size:12px;letter-spacing:.1em;text-transform:uppercase;border:1px solid var(--line-bright);padding:7px 12px;border-radius:2px;transition:.18s;white-space:nowrap}
.findings-link:hover{background:var(--acid);color:var(--bg);border-color:var(--acid)}
.topbar .nav + .findings-link{margin-left:0}

/* ---------------- report page ---------------- */
.report{max-width:900px;margin:0 auto;padding:0 28px}
.report-hero{padding:74px 0 50px}
.report-hero .hero-title{font-size:clamp(44px,8vw,96px)}
.phase{padding:58px 0;border-top:1px solid var(--line)}
.phase-tag{display:inline-block;color:var(--acid);font-size:11px;letter-spacing:.22em;text-transform:uppercase;margin-bottom:18px}
.phase h2{font-family:var(--serif);font-weight:400;font-size:clamp(34px,5vw,56px);line-height:1;margin-bottom:18px}
.phase h3{font-family:var(--serif);font-weight:400;font-size:26px;margin:38px 0 14px;color:var(--paper)}
.lead{font-size:16px;line-height:1.75;color:#d3cec3;max-width:680px}
.note{color:var(--muted);font-size:13px;line-height:1.65;margin-top:12px;max-width:680px}
code{font-family:var(--mono);color:var(--acid);font-size:.9em;background:rgba(215,255,62,.08);padding:1px 5px;border-radius:2px}

.methods{display:grid;gap:1px;background:var(--line);border:1px solid var(--line);margin:26px 0}
.methods>div{background:var(--panel);padding:18px 20px}
.methods dt{color:var(--acid);font-size:13px;letter-spacing:.06em;margin-bottom:6px}
.methods dd{color:#cfcabf;font-size:13.5px;line-height:1.6}

.ex-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:18px 0}
.ex-grid figure{margin:0;border:1px solid var(--line);background:var(--bg)}
.ex-grid img{width:100%;aspect-ratio:4/3;object-fit:cover;display:block;filter:grayscale(.15)}
.ex-grid figcaption{padding:11px 12px;font-size:11.5px;color:#b9b4aa;line-height:1.4}
.ex-grid .q{display:block;color:var(--acid);margin-bottom:5px;font-size:11px}

.rtable{width:100%;border-collapse:collapse;font-size:13px;margin:16px 0}
.rtable th{text-align:left;color:var(--muted);font-weight:500;font-size:10px;letter-spacing:.14em;text-transform:uppercase;border-bottom:1px solid var(--line-bright);padding:9px 12px}
.rtable td{border-bottom:1px solid var(--line);padding:11px 12px;color:#d3cec3;vertical-align:top}
.rtable td.mono{font-family:var(--mono);color:#a39e94}
.rtable td.ok{color:var(--acid);white-space:nowrap}
.rtable td.bad{color:var(--vermilion);white-space:nowrap}

.trace{border:1px solid var(--line);background:var(--bg);border-radius:2px;overflow:hidden;margin:16px 0;max-width:560px}
.trace-row{padding:11px 14px;border-bottom:1px solid var(--line);font-size:13px;display:flex;gap:12px;align-items:baseline}
.trace-row:last-child{border-bottom:0}
.tk{font-size:9px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line-bright);padding:2px 6px;border-radius:2px;flex:none}
.tk.tool{color:var(--acid);border-color:var(--acid)}
.tk.ans{color:var(--vermilion);border-color:var(--vermilion)}

.report-foot{display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding:30px 0 70px;color:var(--muted);font-size:12px;letter-spacing:.08em;margin-top:20px;gap:16px;flex-wrap:wrap}

@media(max-width:700px){.ex-grid{grid-template-columns:1fr}}

/* findings page: one gentle fade-in at load only — never tied to scroll */
.report-hero .hero-title,.report-hero .hero-lede{animation:none}
@keyframes pageIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion: no-preference){
  .report{animation:pageIn .5s ease both}
}

/* ---------------- footer ---------------- */
.foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:22px 28px;color:var(--muted);font-size:11px;letter-spacing:.1em}

/* ---------------- loading shimmer ---------------- */
.loading{position:relative;overflow:hidden}
.loading::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,transparent,rgba(215,255,62,.14),transparent);animation:scan 1.1s linear infinite}

/* ---------------- animations ---------------- */
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}
@keyframes scan{from{transform:translateX(-100%)}to{transform:translateX(100%)}}

/* ---------------- responsive ---------------- */
@media(max-width:820px){
  .console{grid-template-columns:1fr}
  .tool-rail{flex-direction:row;overflow-x:auto;border-right:0;border-bottom:1px solid var(--line);padding:0 0 8px}
  .tool-rail button{border-left:0;border-bottom:2px solid transparent;white-space:nowrap}
  .tool-rail button.on{border-left:0;border-bottom-color:var(--acid)}
  .split{grid-template-columns:1fr}
  .nav{display:none}
  .hero{padding:60px 22px 50px}
}