:root{--bg:#f1eadf;--bg-accent:#e0d2ba;--panel:hsla(38,58%,96%,.82);--panel-strong:rgba(255,252,247,.96);--line:rgba(94,68,41,.16);--text:#21170d;--muted:#6e5a46;--accent:#a84a2c;--accent-strong:#7e2f18;--accent-soft:rgba(168,74,44,.12);--ok:#2e6a4b;--warn:#8f6224;--bad:#8d2f2f;--shadow:0 24px 70px rgba(57,38,19,.12)}*{box-sizing:border-box}html{min-height:100%}body{margin:0;min-height:100vh;color:var(--text);background:radial-gradient(circle at top left,rgba(168,74,44,.18),transparent 28%),radial-gradient(circle at top right,rgba(102,137,118,.2),transparent 24%),linear-gradient(180deg,var(--bg) 0,#e9dfcf 100%);font-family:Avenir Next,Segoe UI,sans-serif}body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(94,68,41,.04) 1px,transparent 0),linear-gradient(90deg,rgba(94,68,41,.04) 1px,transparent 0);background-size:24px 24px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 90%);mask-image:linear-gradient(180deg,rgba(0,0,0,.8),transparent 90%)}a{color:inherit}button,input,select,textarea{font:inherit}.brain-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:32px 0 64px}.brain-hero{position:relative;overflow:hidden;padding:32px;border:1px solid var(--line);border-radius:28px;background:linear-gradient(135deg,rgba(255,250,245,.92),hsla(33,63%,93%,.86)),var(--panel-strong);box-shadow:var(--shadow)}.brain-hero:after{content:"";position:absolute;inset:auto -12% -35% auto;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(168,74,44,.24),transparent 70%)}.eyebrow{margin:0 0 12px;color:var(--accent-strong);text-transform:uppercase;letter-spacing:.18em;font-size:.78rem;font-weight:700}.hero-title,.metric-value,.panel-title{font-family:Iowan Old Style,Palatino Linotype,Book Antiqua,Georgia,serif}.hero-title{margin:0;max-width:12ch;font-size:clamp(2.8rem,8vw,5.6rem);line-height:.95;letter-spacing:-.04em}.hero-copy{max-width:720px;margin:18px 0 0;color:var(--muted);font-size:1.05rem;line-height:1.7}.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.pill{display:inline-flex;align-items:center;gap:8px;min-height:36px;padding:8px 12px;border:1px solid rgba(94,68,41,.14);border-radius:999px;background:hsla(0,0%,100%,.72);color:var(--muted);font-size:.92rem}.auth-action{margin-left:auto}.pill strong{color:var(--text)}.pill.good{color:var(--ok);border-color:rgba(46,106,75,.2);background:rgba(46,106,75,.08)}.pill.warn{color:var(--warn);border-color:rgba(143,98,36,.2);background:rgba(143,98,36,.08)}.pill.bad{color:var(--bad);border-color:rgba(141,47,47,.2);background:rgba(141,47,47,.08)}.metrics-grid,.panel-grid{display:grid;grid-gap:18px;gap:18px;margin-top:20px}.metrics-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.panel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.metric-card,.panel{border:1px solid var(--line);border-radius:24px;background:var(--panel);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.metric-card{padding:20px}.metric-label{margin:0;color:var(--muted);text-transform:uppercase;letter-spacing:.14em;font-size:.74rem;font-weight:700}.metric-value{margin:12px 0 6px;font-size:2.4rem;line-height:1}.metric-note{margin:0;color:var(--muted);line-height:1.5}.panel{padding:24px}.panel-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:18px}.panel-title{margin:0;font-size:1.5rem}.empty-state,.error-copy,.meta-note,.panel-copy,.source-list{margin:6px 0 0;color:var(--muted);line-height:1.6}.input-grid{display:grid;grid-gap:14px;gap:14px}.input-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:12px;gap:12px}.field{display:grid;grid-gap:8px;gap:8px}.field label{font-size:.84rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:700}.field input,.field select,.field textarea{width:100%;border:1px solid rgba(94,68,41,.18);border-radius:16px;background:rgba(255,253,250,.9);color:var(--text);padding:14px 16px;transition:border-color .12s ease,transform .12s ease,box-shadow .12s ease}.field textarea{min-height:144px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:rgba(168,74,44,.45);box-shadow:0 0 0 4px rgba(168,74,44,.12);transform:translateY(-1px)}.range-row{display:flex;align-items:center;gap:12px}.range-row input[type=range]{flex:1 1;accent-color:var(--accent)}.button-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.button{border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:transform .12s ease,opacity .12s ease,box-shadow .12s ease}.button:hover:not(:disabled){transform:translateY(-1px)}.button:disabled{opacity:.6;cursor:progress}.button.primary{color:#fff7ef;background:linear-gradient(135deg,var(--accent),var(--accent-strong));box-shadow:0 14px 30px rgba(126,47,24,.24)}.button.secondary{color:var(--text);background:rgba(94,68,41,.08)}.results-list,.source-stack,.thought-list{display:grid;grid-gap:12px;gap:12px}.result-card,.source-card,.thought-card{padding:16px;border:1px solid rgba(94,68,41,.12);border-radius:20px;background:rgba(255,253,249,.78)}.result-head,.thought-head{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:10px}.result-score,.thought-source{color:var(--accent-strong);font-weight:700}.result-copy,.thought-copy{margin:0;line-height:1.65}.metadata-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.tag{padding:5px 10px;border-radius:999px;background:var(--accent-soft);color:var(--accent-strong);font-size:.84rem}.source-card{display:flex;align-items:center;justify-content:space-between;gap:12px}.source-card strong{font-size:1.1rem}.small-note{color:var(--muted);font-size:.94rem}.error-box{margin-top:14px;padding:14px 16px;border-radius:18px;border:1px solid rgba(141,47,47,.16);background:rgba(141,47,47,.08)}.footer-note{margin-top:20px;color:var(--muted);font-size:.92rem}.auth-shell{display:flex;align-items:center;min-height:100vh}.auth-panel{width:min(560px,100%);margin:0 auto}.auth-title{font-size:clamp(2.4rem,8vw,4.4rem)}.auth-copy,.auth-title{max-width:none}@media (max-width:960px){.metrics-grid,.panel-grid{grid-template-columns:1fr}.hero-title{max-width:none}}@media (max-width:640px){.brain-shell{width:min(100% - 20px,1180px);padding-top:20px}.brain-hero,.metric-card,.panel{border-radius:22px}.brain-hero,.panel{padding:20px}.input-row{grid-template-columns:1fr}.button-row,.hero-meta{align-items:stretch}.auth-action{margin-left:0}.button,.pill{width:100%;justify-content:center}}