:root{--paper: #f4f1e8;--surface: #fbf9f3;--surface-sunken: #efebe0;--ink: #20251f;--ink-muted: #565c52;--line: rgb(32 37 31 / 16%);--line-strong: rgb(32 37 31 / 32%);--green: #3c694c;--green-soft: rgb(60 105 76 / 12%);--rust: #a33b20;--rust-soft: rgb(163 59 32 / 10%);--amber: #8a5a00;--amber-soft: rgb(138 90 0 / 12%);--focus: #1c4fd8;--radius: 10px;--radius-sm: 6px;--gap: 16px;--font-sans: "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", sans-serif;--font-display: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;--font-mono: "Cascadia Mono", "Consolas", ui-monospace, "SF Mono", Menlo, monospace;font-family:var(--font-sans);font-synthesis:none;color:var(--ink);background:var(--paper);line-height:1.55}*{box-sizing:border-box}body{min-width:320px;min-height:100vh;margin:0;background:linear-gradient(120deg,transparent 55%,var(--green-soft)),repeating-linear-gradient(0deg,transparent,transparent 23px,rgb(32 37 31 / 3%) 24px)}:where(a){color:var(--green)}:where(button,a,input,textarea,[tabindex]):focus-visible{outline:3px solid var(--focus);outline-offset:2px}.app-shell{display:flex;flex-direction:column;min-height:100vh}.skip-link{position:absolute;z-index:20;top:8px;left:8px;padding:10px 16px;transform:translateY(-200%);border-radius:var(--radius-sm);background:var(--ink);color:var(--paper);font-weight:600;text-decoration:none}.skip-link:focus-visible{transform:translateY(0)}.app-header{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:var(--gap);padding:14px clamp(16px,4vw,40px);border-bottom:1px solid var(--line);background:var(--surface)}.app-header__identity{display:flex;align-items:baseline;gap:12px}.app-header__wordmark{margin:0;font-family:var(--font-display);font-size:1.6rem;font-weight:600;letter-spacing:0}.app-header__facts{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0;padding:0;list-style:none}.app-nav{padding:0 clamp(16px,4vw,40px);border-bottom:1px solid var(--line);background:var(--surface)}.app-nav__list{display:flex;flex-wrap:wrap;gap:4px;margin:0;padding:0;list-style:none}.app-nav__link{display:block;padding:10px 14px;border-bottom:3px solid transparent;color:var(--ink-muted);font-weight:600;text-decoration:none}.app-nav__link:hover{color:var(--ink)}.app-nav__link[aria-current=page]{border-bottom-color:var(--rust);color:var(--ink)}.app-main{flex:1;width:100%;padding:clamp(20px,4vw,36px) clamp(16px,4vw,40px) 64px}.app-main:focus{outline:none}.app-notice{padding:12px clamp(16px,4vw,40px) 0}.app-footer{padding:16px clamp(16px,4vw,40px) 24px;border-top:1px solid var(--line);color:var(--ink-muted);font-size:.85rem}.provider-list{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:10px}.provider-list__name{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem}.page{width:min(920px,100%);margin:0 auto}.page--wide{width:min(1180px,100%)}.page__eyebrow{margin:0 0 6px;color:var(--rust);font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.page__title{margin:0;font-family:var(--font-display);font-size:clamp(2rem,5vw,2.9rem);font-weight:600;line-height:1.1}.page__lede{max-width:62ch;margin:12px 0 0;color:var(--ink-muted);font-size:1.05rem}.stack{display:flex;flex-direction:column;gap:20px}.card{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.card__title{margin:0 0 4px;font-size:1.05rem}.card__hint{margin:0;color:var(--ink-muted);font-size:.9rem}.badge{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border:1px solid var(--line-strong);border-radius:999px;font-size:.78rem;font-weight:600;white-space:nowrap}.badge--ok{border-color:var(--green);background:var(--green-soft);color:var(--green)}.badge--warn{border-color:var(--amber);background:var(--amber-soft);color:var(--amber)}.badge--error{border-color:var(--rust);background:var(--rust-soft);color:var(--rust)}.badge--neutral{color:var(--ink-muted)}.badge__dot{width:8px;height:8px;border-radius:50%;background:currentcolor}.callout{padding:14px 16px;border:1px solid var(--line-strong);border-left-width:4px;border-radius:var(--radius-sm);background:var(--surface)}.callout--info{border-left-color:var(--green)}.callout--warning{border-left-color:var(--amber);background:var(--amber-soft)}.callout--error{border-left-color:var(--rust);background:var(--rust-soft)}.callout__title{margin:0 0 4px;font-size:.98rem}.callout__body{margin:0;font-size:.92rem}.button{padding:9px 18px;border:1px solid var(--line-strong);border-radius:var(--radius-sm);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;cursor:pointer}.button:hover:not(:disabled){border-color:var(--ink)}.button:disabled{cursor:not-allowed;opacity:.5}.button--primary{border-color:var(--green);background:var(--green);color:#fff}.button--primary:hover:not(:disabled){border-color:#2f5540;background:#2f5540}.button--danger{border-color:var(--rust);color:var(--rust)}.button-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}.field__label{display:block;margin-bottom:6px;font-weight:600}.field__hint{margin:6px 0 0;color:var(--ink-muted);font-size:.85rem}.field__hint--over{color:var(--rust);font-weight:600}.dropzone{padding:14px;border:1px dashed var(--line-strong);border-radius:var(--radius-sm)}.fieldset{margin:0;padding:0;border:0}.choice{display:flex;gap:8px;align-items:baseline;padding:6px 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var(--line);text-align:left;vertical-align:top}.definition-table thead th{color:var(--ink-muted);font-size:.78rem;letter-spacing:.05em;text-transform:uppercase}.definition-table tbody th{font-weight:600}.definition-table tbody td:last-child{font-variant-numeric:tabular-nums}.placeholder-panel{border-style:dashed;background:var(--surface-sunken)}.placeholder-panel__stage{display:inline-block;margin-bottom:8px;color:var(--ink-muted);font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.workspace{display:grid;grid-template-columns:260px 1fr;gap:24px;align-items:start}@media(max-width:860px){.workspace{grid-template-columns:1fr}}.workspace__sidebar{display:flex;flex-direction:column;gap:16px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.workspace__section-title{margin:0 0 8px;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-muted)}.workspace__list{display:flex;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none}.workspace__list-button{width:100%;padding:8px 10px;border:1px solid transparent;border-radius:var(--radius-sm);background:none;color:inherit;font:inherit;text-align:left;cursor:pointer}.workspace__list-button:hover{background:var(--surface-sunken)}.workspace__list-button[aria-pressed=true]{border-color:var(--green);background:var(--green-soft);font-weight:600}.workspace__tabs{display:flex;flex-wrap:wrap;gap:4px;margin-bottom:20px;padding-bottom:2px;border-bottom:1px solid var(--line)}.workspace__tab{padding:8px 14px;border:1px solid transparent;border-bottom:3px solid transparent;color:var(--ink-muted);font-weight:600;text-decoration:none}.workspace__tab[aria-current=page]{border-bottom-color:var(--green);color:var(--ink)}.chat{display:flex;flex-direction:column;gap:16px}.chat__transcript{display:flex;flex-direction:column;gap:14px;min-height:200px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.chat__empty{margin:0;color:var(--ink-muted)}.chat-turn{display:flex;flex-direction:column;gap:4px}.chat-turn__role{color:var(--ink-muted);font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.chat-turn__body{margin:0;padding:12px 14px;border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface-sunken);font-family:inherit;font-size:1rem;white-space:pre-wrap;overflow-wrap:anywhere}.chat-turn--assistant .chat-turn__body{background:var(--surface)}.chat-turn__meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.82rem;color:var(--ink-muted)}.chat-turn__caret{display:inline-block;width:.55ch;margin-left:2px;background:var(--green);color:transparent;animation:caret-pulse 1.1s steps(2,jump-none) infinite}@keyframes caret-pulse{50%{opacity:.25}}.chat__status{display:flex;flex-wrap:wrap;gap:10px;align-items:center}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.chat-turn__caret{animation:none;opacity:1}}