:root{--ground: #e3e7e3;--surface: #f5f7f3;--ink: #151b19;--muted: #5c6a66;--line: #ccd4ce;--line-soft: #dfe4dd;--rail: #18211f;--rail-ink: #c6cfca;--rail-muted: #85918b;--rail-line: #2b3634;--brass: #8a6a2c;--brass-lift: #b18f4a;--brass-soft: #ece2cd;--exact: #2c6659;--error: #98392c;--error-soft: #f2e0dc;--serif: "Iowan Old Style", Charter, "Palatino Linotype", "Book Antiqua", Palatino, serif;--sans: Inter, ui-sans-serif, system-ui, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--mono: ui-monospace, SFMono-Regular, "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;--measure: 62ch;--margin-col: 15.5rem}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--sans);background:var(--ground);color:var(--ink);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}button,input,textarea,select{font:inherit;color:inherit}h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.011em}:where(a){color:var(--brass)}:focus-visible{outline:2px solid var(--brass-lift);outline-offset:2px;border-radius:2px}.muted{color:var(--muted)}.small{font-size:.8125rem}.padded{padding:.75rem 1rem}.label{font-family:var(--mono);font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.layout{display:grid;grid-template-columns:minmax(0,17rem) minmax(0,1fr);height:100%}.chat{display:flex;flex-direction:column;min-width:0;background:var(--ground)}.sidebar{display:flex;flex-direction:column;min-height:0;background:var(--rail);color:var(--rail-ink);border-right:1px solid var(--rail-line)}.sidebar-header{padding:1.5rem 1.25rem 1.25rem;border-bottom:1px solid var(--rail-line)}.sidebar-header h1{font-family:var(--serif);font-size:1.5rem;font-weight:400;letter-spacing:.02em;color:#eef2ee}.sidebar-header .collection{margin:.35rem 0 0;color:var(--rail-muted)}.sidebar-header select{margin-top:.5rem;width:100%;padding:.4rem .5rem;background:#202b28;color:var(--rail-ink);border:1px solid var(--rail-line);border-radius:3px}.new-chat{margin:1rem 1.25rem .5rem;padding:.55rem .75rem;background:transparent;color:var(--rail-ink);border:1px solid var(--rail-line);border-radius:3px;cursor:pointer;text-align:left;transition:border-color .15s ease,color .15s ease}.new-chat:hover:not(:disabled){border-color:var(--brass);color:#eef2ee}.new-chat:disabled{opacity:.45;cursor:not-allowed}.conversation-list{flex:1;min-height:0;overflow-y:auto;padding:.5rem .75rem 1rem}.conversation-item{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;border-radius:3px}.conversation-item:hover{background:#202b28}.conversation-item.active{background:#202b28;box-shadow:inset 2px 0 0 var(--brass)}.conversation-title{min-width:0;padding:.5rem;background:none;border:0;color:inherit;text-align:left;cursor:pointer;font-size:.875rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.conversation-item .icon-button{opacity:0;color:var(--rail-muted)}.conversation-item:hover .icon-button,.conversation-item .icon-button:focus-visible{opacity:1}.sidebar-footer{padding:1rem 1.25rem;border-top:1px solid var(--rail-line);display:flex;flex-direction:column;gap:.5rem}.sidebar-footer .label{color:var(--rail-muted)}.sidebar-actions{display:flex;gap:1rem}.sidebar .link-button{color:var(--rail-ink)}.sidebar .link-button:hover{color:var(--brass-lift)}.messages{flex:1;min-height:0;overflow-y:auto;padding:3rem 2.5rem 2rem}.thread{max-width:calc(var(--measure) + var(--margin-col) + 3rem);margin:0 auto;display:flex;flex-direction:column;gap:2.75rem}.message.user{display:grid;grid-template-columns:minmax(0,var(--measure));gap:.4rem}.message.user .question{font-family:var(--serif);font-size:1.0625rem;padding-left:1rem;border-left:2px solid var(--brass);white-space:pre-wrap}.message.assistant{display:grid;grid-template-columns:minmax(0,var(--measure)) var(--margin-col);gap:3rem;align-items:start}.prose{font-family:var(--serif);font-size:1.0625rem;line-height:1.7;color:var(--ink)}.prose>:first-child{margin-top:0}.prose>:last-child{margin-bottom:0}.prose p,.prose ul,.prose ol{margin:0 0 .9rem}.prose ul,.prose ol{padding-left:1.2rem}.prose li{margin-bottom:.3rem}.prose h1,.prose h2,.prose h3{font-size:1.0625rem;margin:1.4rem 0 .5rem}.prose code{font-family:var(--mono);font-size:.85em;background:var(--surface);border:1px solid var(--line-soft);border-radius:2px;padding:.05em .3em}.prose pre{background:var(--surface);border:1px solid var(--line-soft);border-radius:3px;padding:.75rem;overflow-x:auto}.prose pre code{background:none;border:0;padding:0}.prose blockquote{margin:0 0 .9rem;padding-left:.9rem;border-left:2px solid var(--line);color:var(--muted)}.marker{font-family:var(--mono);font-size:.7em;vertical-align:super;line-height:0;color:var(--brass);text-decoration:none;padding:0 .1em;border-radius:2px}.marker:hover{background:var(--brass-soft)}.cursor{color:var(--brass);animation:blink 1.1s steps(2,start) infinite}@keyframes blink{50%{opacity:0}}.margin{border-top:1px solid var(--ink);padding-top:.6rem}.margin-label{font-family:var(--mono);font-size:.6875rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:.75rem}.ticks{list-style:none;margin:0;padding:0;font-family:var(--mono);font-size:.75rem;line-height:1.45}.tick{display:grid;grid-template-columns:1.9rem minmax(0,1fr);gap:.15rem .5rem;padding:.45rem .4rem .45rem 0;border-bottom:1px solid var(--line-soft);border-radius:2px;animation:tick-in .32s ease both}.tick:last-child{border-bottom:0}.tick-n{grid-row:span 2;color:var(--brass);font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:.3rem}.tick-dot{width:5px;height:5px;border-radius:50%;border:1px solid var(--brass);flex:none;transform:translateY(-.15em)}.tick.exact .tick-dot{background:var(--exact);border-color:var(--exact)}.tick.exact .tick-n{color:var(--exact)}.tick-date{color:var(--ink);font-variant-numeric:tabular-nums}.tick-path{color:var(--muted);overflow-wrap:anywhere}.tick.highlight{background:var(--brass-soft)}@keyframes tick-in{0%{opacity:0;transform:translateY(-3px)}}.empty-state{max-width:var(--measure);padding-top:2rem}.empty-state h2{font-family:var(--serif);font-size:1.75rem;font-weight:400;margin-bottom:.6rem}.examples{list-style:none;margin:1.25rem 0 0;padding:0;display:flex;flex-direction:column;gap:.4rem}.example{font-family:var(--serif);font-size:1rem;text-align:left;padding:.5rem .75rem .5rem 1rem;background:none;border:0;border-left:1px solid var(--line);color:var(--muted);cursor:pointer;transition:border-color .15s ease,color .15s ease}.example:hover{border-left-color:var(--brass);color:var(--ink)}.composer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.75rem;align-items:end;padding:1.25rem 2.5rem 1.75rem;border-top:1px solid var(--line);background:var(--surface)}.composer textarea{width:100%;resize:none;padding:.7rem .85rem;font-family:var(--serif);font-size:1rem;background:var(--ground);border:1px solid var(--line);border-radius:3px}.composer textarea:focus{border-color:var(--brass);outline:none}.composer button[type=submit]{padding:.7rem 1.4rem;background:var(--rail);color:#eef2ee;border:1px solid var(--rail);border-radius:3px;cursor:pointer;transition:background .15s ease}.composer button[type=submit]:hover:not(:disabled){background:#253230}.composer button[type=submit]:disabled{opacity:.4;cursor:not-allowed}.icon-button{background:none;border:0;padding:.25rem .5rem;font-size:1rem;line-height:1;color:var(--muted);cursor:pointer;border-radius:2px}.icon-button:hover{color:var(--ink)}.link-button{background:none;border:0;padding:0;color:var(--brass);cursor:pointer;font-size:.8125rem;text-decoration:underline;text-underline-offset:2px}.centered{min-height:100%;display:grid;place-items:center;padding:2rem 1.5rem;background:var(--rail)}.card{background:var(--surface);border:1px solid var(--line);border-radius:4px}.auth-card{width:min(24rem,100%);padding:2.25rem 2rem;display:flex;flex-direction:column;gap:.85rem}.auth-card h1{font-family:var(--serif);font-size:1.875rem;font-weight:400;letter-spacing:.01em}.auth-card .lede{margin:-.4rem 0 .6rem;color:var(--muted);font-family:var(--serif)}.auth-card label{display:flex;flex-direction:column;gap:.3rem;font-family:var(--mono);font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.auth-card input{padding:.6rem .7rem;font-family:var(--sans);font-size:1rem;letter-spacing:normal;text-transform:none;color:var(--ink);background:var(--ground);border:1px solid var(--line);border-radius:3px}.auth-card input:focus{border-color:var(--brass);outline:none}.auth-card button[type=submit]{margin-top:.4rem;padding:.7rem;background:var(--rail);color:#eef2ee;border:1px solid var(--rail);border-radius:3px;cursor:pointer}.auth-card button[type=submit]:disabled{opacity:.5;cursor:not-allowed}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#151b198c;display:grid;place-items:center;padding:1.5rem;z-index:10}.admin-card{width:min(38rem,100%);max-height:85vh;overflow-y:auto;padding:1.75rem;display:flex;flex-direction:column;gap:1.5rem}.admin-header{display:flex;align-items:baseline;justify-content:space-between}.admin-header h2{font-family:var(--serif);font-size:1.375rem;font-weight:400}.admin-card section{display:flex;flex-direction:column;gap:.6rem}.admin-card h3{font-family:var(--mono);font-size:.6875rem;font-weight:400;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding-bottom:.4rem;border-bottom:1px solid var(--line)}.button-row{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap}.button-row button:not(.link-button){padding:.45rem .9rem;background:var(--ground);border:1px solid var(--line);border-radius:3px;cursor:pointer}.button-row button:not(.link-button):hover:not(:disabled){border-color:var(--brass)}.button-row button:disabled{opacity:.5;cursor:not-allowed}.run-meta{font-family:var(--mono);font-size:.75rem;color:var(--muted)}.status-success{color:var(--exact)}.status-error{color:var(--error)}.status-running{color:var(--brass)}.invite-link{display:flex;gap:.75rem;align-items:center;padding:.6rem .75rem;background:var(--ground);border:1px solid var(--line);border-radius:3px}.invite-link code{font-family:var(--mono);font-size:.75rem;overflow-wrap:anywhere}.field{display:flex;flex-direction:column;gap:.3rem;font-family:var(--mono);font-size:.6875rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.field input,.field select,.field textarea{font-family:var(--sans);font-size:.9375rem;letter-spacing:normal;text-transform:none;color:var(--ink);padding:.5rem .6rem;background:var(--ground);border:1px solid var(--line);border-radius:3px}.field textarea{font-family:var(--mono);font-size:.8125rem;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brass);outline:none}.admin-card form{display:flex;flex-direction:column;gap:1.5rem}.error{color:var(--error)}.banner{margin:0 2.5rem;padding:.6rem .85rem;background:var(--error-soft);border:1px solid var(--error);border-radius:3px;font-size:.875rem}pre.error{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--error-soft);padding:.6rem;border-radius:3px}@media(max-width:62rem){.message.assistant{grid-template-columns:minmax(0,1fr);gap:1.25rem}.margin{max-width:var(--measure)}}@media(max-width:44rem){.layout{grid-template-columns:minmax(0,1fr);grid-template-rows:auto minmax(0,1fr)}.sidebar{border-right:0;border-bottom:1px solid var(--rail-line);max-height:40vh}.messages{padding:1.75rem 1.25rem}.composer{padding-left:1.25rem;padding-right:1.25rem}.banner{margin:0 1.25rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
