:root{color-scheme:light dark;--paper:#faf8f4;--panel:#fffdf8;--ink:#23211d;--muted:#655f55;--rule:#ddd8cd;--rule-strong:#b9b2a4;--accent:#6b5e9c;--accent-soft:#e9e5f4;--accent-ink:#4b4173;--neg:#a2322a;--good:#265f8f;--good-soft:#e6eef5;--neg-soft:#f8eae8}
@media (prefers-color-scheme:dark){:root{--paper:#1a1917;--panel:#232120;--ink:#ece8df;--muted:#a49d91;--rule:#3a3733;--rule-strong:#585349;--accent:#b3a6d8;--accent-soft:#2d2940;--accent-ink:#cdc3e8;--neg:#ff9188;--good:#8fbfe4;--good-soft:#1e2a34;--neg-soft:#2f211f}}
*{box-sizing:border-box}
html{font-size:90%}
html,body{overflow-x:hidden}
body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;line-height:1.5;font-variant-numeric:tabular-nums;-webkit-text-size-adjust:100%}
#app{max-width:1104px;margin:0 auto;padding:1.25rem 1rem 3rem}
.app-title{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin:0 0 1rem}
/* Sign-in */
#signin-view form{display:flex;flex-direction:column;gap:.35rem;max-width:23rem;margin:3rem auto 0;background:var(--panel);border:1px solid var(--rule);padding:1.5rem}
#signin-view label,#password-form label{font-size:.78rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:.75rem}
#signin-view button[type=submit]{margin-top:1.25rem}
/* Chat header */
.chat-header{display:flex;align-items:center;gap:.25rem;padding-bottom:.6rem;border-bottom:2px solid var(--ink);margin-bottom:1.5rem}
#chat-user-name{font-weight:600;margin-right:auto;font-size:.95rem}
/* Conversation */
.conversation{display:flex;flex-direction:column;gap:1.25rem;margin-bottom:1.5rem}
.message{max-width:100%}
.message-user{align-self:flex-end;max-width:75%;margin-left:auto;background:var(--accent-soft);color:var(--accent-ink);border:1px solid var(--rule);padding:.7rem 1rem;border-radius:1.25rem 1.25rem .35rem 1.25rem}
.message-user .message-text{font-weight:600;font-size:1rem}
.message-assistant{align-self:flex-start;max-width:75%;background:var(--panel);border:1px solid var(--rule);border-left:3px solid var(--accent);padding:1rem 1.1rem;scroll-margin-top:.75rem;border-radius:1.25rem 1.25rem 1.25rem .35rem}
.message-user{scroll-margin-top:.75rem}
.message-text{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}
.warnings-line{font-size:.8rem;color:var(--muted);margin:.85rem 0 0;padding-left:.6rem;border-left:2px solid var(--rule-strong)}
/* Tables */
.table-block{margin:1.25rem 0 0}
.table-head{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin:0 0 .5rem}
.table-block h3{font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin:0}
.table-head .toggle-columns{font-size:.68rem;letter-spacing:.04em;font-weight:500;padding:.25rem .6rem;min-height:1.8rem;background:transparent;color:var(--accent-ink);border:1px solid var(--rule-strong);border-radius:1rem;white-space:nowrap}
.table-scroll{overflow-x:auto;border:1px solid var(--rule);-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:.9rem}
th,td{text-align:left;padding:.5rem .7rem;border-bottom:1px solid var(--rule);white-space:nowrap}
th{cursor:pointer;user-select:none}
thead th{font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);font-weight:600;border-bottom:1px solid var(--rule-strong)}
thead th.sorted{color:var(--ink)}
tbody tr:last-child td{border-bottom:1px solid var(--rule-strong)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
td.neg{color:var(--neg)}
tfoot td{font-weight:700;border-bottom:none;border-top:1px solid var(--rule)}
.table-tools{display:flex;flex-wrap:wrap;align-items:center;gap:.6rem;margin-top:.5rem;padding-top:.5rem;border-top:1px solid var(--rule)}
.rows-shown{font-size:.78rem;color:var(--muted);margin:0 auto 0 0}
.table-tools button{font-size:.78rem;letter-spacing:.04em;padding:.55rem .85rem;min-height:2.75rem;background:transparent;color:var(--accent-ink);border:1px solid var(--rule-strong)}
@media (max-width:30rem){.rows-shown{flex:1 0 100%;margin:0 0 .15rem}}
.check-line{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.75rem;line-height:1.45;color:var(--muted);margin:.5rem 0 0;padding-left:.55rem;border-left:2px solid var(--accent)}
/* Composer */
#question-form{display:flex;gap:.5rem;align-items:flex-end;position:sticky;bottom:0;width:75%;margin-left:auto;background:var(--paper);padding:.75rem 0 .5rem;border-top:1px solid var(--rule)}
#question-input{flex:1;font-family:inherit;font-size:1rem;padding:.7rem 1rem;border:1px solid var(--rule-strong);background:var(--panel);color:var(--ink);border-radius:1.25rem;resize:vertical;min-height:2.75rem}
#send-button{border-radius:1.25rem}
/* Controls */
button{font-family:inherit;font-size:.9rem;font-weight:600;padding:.6rem 1.1rem;min-height:2.75rem;border-radius:0;border:1px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer}
@media (prefers-color-scheme:dark){button{color:#1a1917}}
button:disabled{opacity:.5;cursor:default}
button.link-button{background:transparent;color:var(--accent-ink);border:none;padding:.5rem .5rem;min-height:2.75rem;text-decoration:underline;font-size:.85rem;font-weight:500}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input[type=text],input[type=password],textarea{font-family:inherit;font-size:1rem;padding:.6rem .7rem;border:1px solid var(--rule-strong);border-radius:0;background:var(--panel);color:var(--ink);min-height:2.75rem}
.error-line{background:var(--neg-soft);color:var(--neg);border-left:3px solid var(--neg);padding:.6rem .75rem;font-size:.85rem;margin:.75rem 0}
.success-line{background:var(--good-soft);color:var(--good);border-left:3px solid var(--good);padding:.6rem .75rem;font-size:.85rem;margin:.75rem 0}
/* Modal */
.modal{position:fixed;inset:0;background:rgba(30,26,20,.45);display:flex;align-items:center;justify-content:center;padding:1rem}
.modal[hidden]{display:none}
.modal-content{background:var(--panel);border:1px solid var(--rule-strong);padding:1.4rem;width:100%;max-width:22rem}
.modal-content h2{margin:0;font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
#password-form{display:flex;flex-direction:column;gap:.3rem}
.modal-actions{display:flex;gap:.5rem;margin-top:1.25rem}
.modal-actions #password-cancel{background:transparent;color:var(--ink);border:1px solid var(--rule-strong)}
@media (max-width:30rem){#app{padding:1rem .75rem 2rem}.chat-header{flex-wrap:wrap}#question-form{flex-direction:column;align-items:stretch;width:100%}.message-user,.message-assistant{max-width:90%}}