*{box-sizing:border-box;margin:0;padding:0}

:root[data-theme="dark"]{
  --bg-grad-1:radial-gradient(ellipse at 30% 20%,#1a1530 0%,#000 55%);
  --bg-grad-2:radial-gradient(ellipse at 75% 80%,#0a1530 0%,#000 60%);
  --bg-solid:#000; --text:#f5f5f7;
  --text-mute:rgba(255,255,255,.55); --text-faint:rgba(255,255,255,.42);
  --glass-bg:rgba(255,255,255,.06); --glass-border:rgba(255,255,255,.10);
  --glass-inset:rgba(255,255,255,.08); --glass-shadow:0 8px 32px rgba(0,0,0,.5);
  --canvas-bg:rgba(255,255,255,.015); --canvas-border:rgba(255,255,255,.06);
  --accent:#8ad4ff; --accent-bg:rgba(138,212,255,.10);
  --primary:#8a4dff; --primary-2:#5a7fff;
  --good:#7affb2; --bad:#ff7a7a;
}
:root[data-theme="light"]{
  --bg-grad-1:radial-gradient(ellipse at 30% 20%,#f0eaff 0%,#fafbff 55%);
  --bg-grad-2:radial-gradient(ellipse at 75% 80%,#eaf0ff 0%,#fafbff 60%);
  --bg-solid:#fafbff; --text:#0f1020;
  --text-mute:rgba(15,16,32,.62); --text-faint:rgba(15,16,32,.45);
  --glass-bg:rgba(255,255,255,.78); --glass-border:rgba(15,16,32,.08);
  --glass-inset:rgba(255,255,255,.9); --glass-shadow:0 8px 32px rgba(15,16,32,.08);
  --canvas-bg:rgba(255,255,255,.5); --canvas-border:rgba(15,16,32,.06);
  --accent:#3b7dd8; --accent-bg:rgba(59,125,216,.12);
  --primary:#6a3df0; --primary-2:#3b7dd8;
  --good:#1da872; --bad:#d83a3a;
}

html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display",system-ui,sans-serif;color:var(--text);background:var(--bg-solid);overflow:hidden;-webkit-font-smoothing:antialiased;transition:background .4s ease,color .4s ease}
body{background:var(--bg-grad-1),var(--bg-grad-2)}

/* LAYOUT — canvas owns the 1fr row, everything else is tight auto rows */
.stage{height:100vh;display:grid;grid-template-rows:auto auto auto 1fr auto;gap:8px;padding:10px 18px 10px;max-width:1600px;margin:0 auto}

.top{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:0 2px}
.brand-mark{display:flex;align-items:center;gap:9px}
.papr-glyph{display:block;filter:drop-shadow(0 0 12px rgba(12,205,255,.35))}
.papr-glyph-mini{display:inline-block;vertical-align:middle;flex-shrink:0}
.brand{font-weight:700;letter-spacing:.4em;font-size:11px;color:var(--text-mute)}
.caption{flex:1;text-align:center;font-size:11.5px;color:var(--text-faint)}
.theme-btn{width:28px;height:28px;border-radius:50%;border:1px solid var(--glass-border);background:var(--glass-bg);color:var(--text-mute);display:flex;align-items:center;justify-content:center;cursor:pointer;backdrop-filter:blur(20px);transition:all .2s ease}
.theme-btn:hover{color:var(--text);transform:rotate(20deg)}

.glass{background:var(--glass-bg);backdrop-filter:blur(30px) saturate(180%);-webkit-backdrop-filter:blur(30px) saturate(180%);border:1px solid var(--glass-border);border-radius:12px;box-shadow:var(--glass-shadow),inset 0 1px 0 var(--glass-inset)}

/* QUERY ROW — its own row, no overlap with anything */
.query-row{display:flex;align-items:center;gap:14px;padding:10px 16px;font-size:14px}
.q-label{font-size:10px;letter-spacing:.18em;color:var(--text-faint);text-transform:uppercase;flex-shrink:0}
.q-text{flex:1;color:var(--text);font-weight:300;line-height:1.4}
.q-text em{color:var(--accent);font-style:normal;font-weight:500;padding:1px 7px;background:var(--accent-bg);border-radius:5px}
.run-btn{padding:7px 18px;background:linear-gradient(135deg,var(--primary),var(--primary-2));border:none;border-radius:9px;color:#fff;font-weight:600;font-size:12px;cursor:pointer;box-shadow:0 4px 16px rgba(138,77,255,.35);transition:transform .15s ease;font-family:inherit;flex-shrink:0}
.run-btn:hover{transform:translateY(-1px)}

/* TABS + METRICS ROW — single row, tabs left + metrics right */
.tabs-row{display:flex;align-items:center;gap:12px;justify-content:space-between;padding:0 2px}
.mode-tabs{display:flex;padding:3px;gap:2px;flex-shrink:0}
.tab{padding:6px 14px;background:transparent;border:none;border-radius:8px;color:var(--text-faint);font-size:12px;font-weight:500;cursor:pointer;transition:all .2s ease;font-family:inherit;white-space:nowrap}
.tab.active{background:var(--glass-inset);color:var(--text);box-shadow:inset 0 1px 0 var(--glass-inset)}
.tab:hover:not(.active){color:var(--text-mute)}

.metrics-inline{display:flex;align-items:center;gap:18px;flex-wrap:nowrap}
.metric{display:flex;flex-direction:column;align-items:flex-end;gap:1px;min-width:62px}
.metric .k{font-size:18px;font-weight:600;color:var(--text);letter-spacing:-.02em;font-variant-numeric:tabular-nums;line-height:1.15;transition:color .25s ease}
.metric .l{font-size:9px;letter-spacing:.14em;color:var(--text-faint);text-transform:uppercase}
.metric .k.bad{color:var(--bad)}
.metric .k.good{color:var(--good)}
.metric.scale{min-width:170px;align-items:stretch}
.metric.scale .l{text-align:right}
.metric.scale .l b{color:var(--text);font-weight:600;font-size:11.5px;letter-spacing:0;text-transform:none}
.metric.scale input{width:100%;margin-top:4px;-webkit-appearance:none;appearance:none;height:3px;background:var(--glass-border);border-radius:2px;outline:none}
.metric.scale input::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;background:var(--primary);border-radius:50%;cursor:pointer;box-shadow:0 0 8px rgba(138,77,255,.6)}

/* CANVAS — gets the entire 1fr remaining row */
.canvas-wrap{position:relative;border-radius:16px;overflow:hidden;background:var(--canvas-bg);border:1px solid var(--canvas-border);min-height:0}
#viz{width:100%;height:100%;display:block}

.flash{position:absolute;inset:0;pointer-events:none;opacity:0;z-index:5;border-radius:16px;transition:opacity .35s ease}
.flash.show{opacity:1}
.flash.filter{background:radial-gradient(circle at center,rgba(255,122,122,.18) 0%,transparent 60%)}
.flash.phase{background:radial-gradient(circle at center,rgba(138,212,255,.22) 0%,transparent 60%)}
.flash.memory{background:radial-gradient(circle at center,rgba(255,191,77,.22) 0%,transparent 60%)}
.flash.precession{background:radial-gradient(circle at center,rgba(170,120,255,.22) 0%,transparent 60%)}

/* VERDICT — sits in the canvas bottom-right, fades in */
.verdict{position:absolute;bottom:14px;right:14px;padding:11px 15px;max-width:340px;font-size:11.5px;line-height:1.55;color:var(--text);z-index:3;opacity:0;transition:opacity .4s ease;transform:translateY(6px)}
.verdict.show{opacity:1;transform:translateY(0)}
.verdict strong{color:var(--accent);display:block;margin-bottom:2px;font-weight:600;font-size:12px}
.verdict.bad strong{color:var(--bad)}
.verdict.warm strong{color:#ffb84d}
.verdict.precession strong{color:#c9a4ff}

.foot{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:0 4px;font-size:11px;color:var(--text-faint);line-height:1.5}
.insight{flex:1}
.insight em{color:var(--accent);font-style:normal;font-weight:500}
.built{display:flex;align-items:center;gap:5px;font-size:10px;letter-spacing:.05em;color:var(--text-faint);white-space:nowrap}
.built strong{color:var(--text-mute);font-weight:600;letter-spacing:.04em}