:root {
  color-scheme: light dark;
  --bg: light-dark(#f6f6f3, #161714);
  --panel: light-dark(#ffffff, #20221f);
  --surface: light-dark(#eff1ed, #2b2e29);
  --text: light-dark(#20231f, #f1f2ed);
  --muted: light-dark(#687068, #aeb5ad);
  --border: light-dark(#d8dcd5, #3d423b);
  --accent: light-dark(#175f4c, #78c9ac);
  --accent-soft: light-dark(#e1eee8, #203b32);
  --user: light-dark(#e8ece8, #30342f);
  --danger: light-dark(#9b342f, #ef9a91);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); }
button, input, select, textarea { font: inherit; }
button { color: inherit; }
[hidden] { display: none !important; }

.auth-pending .app-shell { visibility: hidden; }
.auth-gate {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: minmax(160px, .75fr) minmax(420px, 1fr);
  align-items: center;
  min-height: 100dvh;
  padding: clamp(28px, 6vw, 88px);
  overflow: auto;
  background:
    radial-gradient(circle at 18% 22%, color-mix(in srgb, var(--accent) 15%, transparent), transparent 32%),
    linear-gradient(135deg, var(--panel), var(--bg) 68%);
}
.auth-brand {
  color: color-mix(in srgb, var(--accent) 78%, var(--text));
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(72px, 15vw, 210px);
  font-weight: 500;
  letter-spacing: -.09em;
  line-height: .75;
  opacity: .14;
  user-select: none;
}
.auth-card { width: min(100%, 470px); justify-self: center; }
.auth-card h1 { margin-top: 8px; font-size: clamp(40px, 6vw, 66px); letter-spacing: -.035em; }
.auth-intro { max-width: 420px; margin: 18px 0 27px; color: var(--muted); font-size: 14px; line-height: 1.6; }
.auth-mode-toggle { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; width: 100%; padding: 4px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); }
.auth-mode-toggle button { min-height: 38px; padding: 8px 14px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 11px; font-weight: 750; cursor: pointer; }
.auth-mode-toggle button[aria-pressed="true"] { background: var(--panel); color: var(--accent); box-shadow: 0 2px 9px color-mix(in srgb, var(--text) 9%, transparent); }
.auth-form { display: grid; gap: 14px; margin-top: 23px; }
.auth-form label { display: grid; gap: 7px; color: var(--muted); font-size: 9px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.auth-form input { width: 100%; padding: 12px 2px 10px; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; outline: 0; background: transparent; color: var(--text); font-size: 14px; letter-spacing: 0; text-transform: none; transition: border-color .16s ease; }
.auth-form input:focus { border-bottom-color: var(--accent); }
.auth-form input::placeholder { color: color-mix(in srgb, var(--muted) 68%, transparent); }
.auth-form > button { min-height: 44px; margin-top: 5px; padding: 10px 18px; border: 1px solid var(--accent); border-radius: 999px; background: var(--accent); color: light-dark(#fff, #10231d); font-size: 11px; font-weight: 800; cursor: pointer; }
.auth-form > button:disabled { cursor: wait; opacity: .62; }
.auth-feedback { min-height: 18px; margin: -3px 2px 0; color: var(--muted); font-size: 9px; line-height: 1.5; }
.auth-feedback.error { color: var(--danger); }
.session-controls { display: flex; align-items: center; gap: 7px; height: 34px; margin-top: 12px; padding-left: 9px; border-left: 1px solid var(--border); }
.session-user-name { max-width: 105px; overflow: hidden; color: var(--muted); font-size: 8px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.logout-button { padding: 5px 8px; border: 0; border-radius: 999px; background: transparent; color: var(--accent); font-size: 8px; font-weight: 800; cursor: pointer; }
.logout-button:hover, .logout-button:focus-visible { background: var(--accent-soft); outline: none; }

.app-shell { min-height: 100vh; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.eyebrow { margin: 0 0 4px; color: var(--accent); font-size: 11px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; }
h1 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(28px, 4vw, 42px); font-weight: 500; line-height: 1; }
.topbar-tools { display: flex; flex-direction: column; align-items: flex-end; gap: 8px; }
.persona-controls { display: flex; align-items: flex-end; justify-content: flex-end; gap: 9px; }
.profile-control, .style-control { display: grid; gap: 4px; margin: 0; }
.profile-control { flex: 0 0 150px; width: 150px; }
.style-control { flex: 0 0 220px; width: 220px; }
.control-label { color: var(--muted); font-size: 8px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.profile-toggle { display: flex; width: 150px; padding: 3px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); }
.profile-toggle button { flex: 0 0 71px; width: 71px; min-width: 71px; padding: 6px 4px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 10px; font-weight: 700; cursor: pointer; transition: color .16s ease, background-color .16s ease, box-shadow .16s ease; }
.profile-toggle button:hover { color: var(--text); }
.profile-toggle button[aria-pressed="true"] { background: var(--panel); color: var(--accent); box-shadow: 0 1px 5px color-mix(in srgb, var(--text) 10%, transparent); }
.style-control select { width: 220px; min-width: 220px; max-width: 220px; min-height: 34px; padding: 7px 28px 7px 10px; overflow: hidden; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--text); font-size: 10px; font-weight: 650; text-overflow: ellipsis; white-space: nowrap; cursor: pointer; }
.style-control select:hover, .style-control select:focus-visible { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); outline: none; }
.profile-projects { display: grid; grid-template-columns: 25px auto; align-items: center; gap: 6px; height: 34px; margin: 12px 0 0; padding: 3px 9px 3px 4px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--muted); font-size: 9px; font-weight: 750; cursor: pointer; }
.profile-projects:hover, .profile-projects:focus-visible { border-color: var(--accent); outline: none; color: var(--accent); }
.profile-avatar { position: relative; display: block; width: 25px; height: 25px; border-radius: 50%; background: var(--accent-soft); }
.profile-avatar::before { content: ""; position: absolute; top: 5px; left: 9px; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.profile-avatar::after { content: ""; position: absolute; left: 6px; bottom: 4px; width: 13px; height: 7px; border-radius: 8px 8px 5px 5px; background: var(--accent); }
.usage-meter { display: flex; align-items: center; gap: 8px; height: 34px; margin: 12px 0 0; padding: 4px 6px 4px 10px; border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--border)); border-radius: 999px; background: var(--panel); cursor: pointer; transition: border-color .16s ease, background-color .16s ease; }
.usage-meter:hover, .usage-meter:focus-visible { border-color: var(--accent); outline: none; background: var(--accent-soft); }
.usage-meter-copy { display: grid; gap: 1px; text-align: left; }
.usage-meter-copy small { color: var(--muted); font-size: 7px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.usage-meter-copy strong { color: var(--text); font-size: 10px; font-variant-numeric: tabular-nums; }
.usage-beta-badge { padding: 4px 6px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 7px; font-weight: 850; letter-spacing: .05em; text-transform: uppercase; }
.source-status { color: var(--muted); font-size: 12px; text-align: right; }

.workspace { display: grid; grid-template-columns: minmax(260px, 310px) minmax(0, 1fr); min-height: calc(100vh - 85px); }
.scope-panel { padding: 24px; border-right: 1px solid var(--border); background: var(--panel); }
.context-sidebar { position: relative; min-width: 0; overflow: hidden; }
.context-nav { display: grid; grid-template-columns: auto 1fr auto 1fr auto; align-items: center; gap: 7px; margin: -3px 0 23px; }
.context-nav i { height: 1px; background: var(--border); }
.context-nav button { display: inline-flex; align-items: center; gap: 5px; padding: 0; border: 0; background: transparent; color: var(--muted); font-size: 9px; font-weight: 700; cursor: pointer; }
.context-nav button span { display: grid; place-items: center; width: 18px; height: 18px; border: 1px solid var(--border); border-radius: 50%; font-size: 8px; transition: border-color .18s ease, background .18s ease, color .18s ease; }
.context-nav button:hover, .context-nav button[aria-current="step"] { color: var(--accent); }
.context-nav button[aria-current="step"] span { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.sidebar-context.is-active { animation: context-arrive .24s ease both; }
@keyframes context-arrive { from { opacity: 0; transform: translateX(14px) rotateY(-3deg); } to { opacity: 1; transform: translateX(0) rotateY(0); } }
.context-heading { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 21px; }
.context-heading h2 { margin: 0; font-size: 15px; }
.context-heading p { margin: 5px 0 0; color: var(--muted); font-size: 11px; line-height: 1.45; }
.context-back { display: grid; place-items: center; flex: 0 0 auto; width: 27px; height: 27px; padding: 0; border: 1px solid var(--border); border-radius: 50%; background: transparent; color: var(--muted); cursor: pointer; }
.context-back:hover { border-color: var(--accent); color: var(--accent); }
.context-forward { display: flex; align-items: center; justify-content: space-between; width: 100%; margin-top: 21px; padding: 11px 2px 9px; border: 0; border-top: 1px solid var(--border); background: transparent; color: var(--accent); font-size: 11px; font-weight: 750; cursor: pointer; }
.context-forward:hover { border-top-color: var(--accent); }
.knowledge-actions { margin-bottom: 24px; border-top: 1px solid var(--border); }
.scope-panel .knowledge-action { display: flex; align-items: center; gap: 10px; width: 100%; margin: 0; padding: 12px 1px; border: 0; border-bottom: 1px solid var(--border); border-radius: 0; background: transparent; color: var(--text); font: inherit; letter-spacing: normal; text-align: left; text-transform: none; cursor: pointer; }
.scope-panel .knowledge-action:hover { color: var(--accent); }
.knowledge-action-mark { display: grid; place-items: center; flex: 0 0 auto; width: 27px; height: 27px; border: 1px solid var(--border); border-radius: 50%; color: var(--accent); font-size: 15px; }
.knowledge-action > span:nth-child(2) { min-width: 0; }
.knowledge-action strong, .knowledge-action small { display: block; }
.knowledge-action strong { font-size: 11px; }
.knowledge-action small { margin-top: 2px; color: var(--muted); font-size: 9px; font-weight: 400; line-height: 1.35; }
.knowledge-action input, .case-import-actions input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.knowledge-section-heading, .case-tree-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin-bottom: 6px; color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.knowledge-section-heading small, .case-tree-heading small { color: var(--accent); font-size: 8px; font-weight: 700; letter-spacing: 0; text-transform: none; }
.knowledge-list { border-top: 1px solid var(--border); }
.scope-panel .knowledge-file-row { display: flex; align-items: center; gap: 9px; margin: 0; padding: 10px 1px; border-bottom: 1px solid var(--border); color: var(--text); font-size: 10px; font-weight: 400; letter-spacing: normal; text-transform: none; cursor: pointer; }
.knowledge-file-row input, .knowledge-case-row > input { width: 14px; height: 14px; margin: 0; accent-color: var(--accent); }
.knowledge-file-row > span { min-width: 0; }
.knowledge-file-row strong, .knowledge-file-row small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.knowledge-file-row strong { font-size: 10px; }
.knowledge-file-row small { margin-top: 2px; color: var(--muted); font-size: 8px; }
.knowledge-case-row { display: flex; align-items: center; gap: 9px; border-bottom: 1px solid var(--border); }
.knowledge-case-row button { min-width: 0; flex: 1; padding: 10px 0; border: 0; background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.knowledge-case-row button:hover strong { color: var(--accent); }
.knowledge-case-row strong, .knowledge-case-row small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.knowledge-case-row strong { font-size: 10px; }
.knowledge-case-row small { margin-top: 2px; color: var(--muted); font-size: 8px; }
.knowledge-empty { margin: 0; padding: 17px 0; color: var(--muted); font-family: Georgia, "Times New Roman", serif; font-size: 12px; line-height: 1.5; }
.knowledge-status { margin: 10px 0 0; color: var(--muted); font-size: 9px; line-height: 1.45; }
.knowledge-status.error { color: var(--danger); }
.case-import-actions { display: grid; margin: 2px 0 23px; border-top: 1px solid var(--border); }
.scope-panel .case-import-actions label { display: flex; align-items: center; gap: 10px; min-height: 53px; margin: 0; padding: 10px 1px; border-bottom: 1px solid var(--border); color: var(--text); font-size: 10px; font-weight: 750; letter-spacing: 0; line-height: 1.35; text-transform: none; cursor: pointer; }
.scope-panel .case-import-actions label:hover { color: var(--accent); }
.case-import-actions label > span:last-of-type { min-width: 0; }
.case-import-actions label small { display: block; margin-top: 2px; color: var(--muted); font-size: 8px; font-weight: 400; }
.case-import-mark { display: grid; place-items: center; flex: 0 0 auto; width: 27px; height: 27px; border: 1px solid var(--border); border-radius: 50%; color: var(--accent); font-size: 14px; font-weight: 500; }
.case-tree { min-height: 120px; padding-top: 4px; border-top: 1px solid var(--border); }
.case-tree ul { margin: 0; padding: 0 0 0 12px; list-style: none; }
.case-tree > ul, .case-record-body > ul { padding-left: 0; }
.case-tree .case-folder { position: relative; }
.case-tree .case-folder > details { margin: 0; }
.case-tree .case-folder summary { padding: 8px 0; color: var(--text); font-size: 9px; font-weight: 750; }
.case-tree .case-folder ul { margin-left: 4px; border-left: 1px solid var(--border); }
.case-tree .case-file { padding-left: 8px; }
.scope-panel .case-tree .knowledge-file-row { padding: 7px 0; border-bottom: 0; }
.case-record-tree { padding: 13px 0 15px; border-bottom: 1px solid var(--border); }
.case-record-tree.is-current { background: linear-gradient(90deg, var(--accent-soft), transparent 78%); }
.case-record-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 10px; padding: 0 1px 8px; }
.scope-panel .case-record-title { display: grid; flex: 1; min-width: 0; gap: 2px; margin: 0; color: var(--muted); font-size: 7px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; }
.case-record-title input { width: 100%; min-width: 0; padding: 3px 18px 4px 0; border: 0; border-bottom: 1px solid transparent; outline: 0; background: transparent; color: var(--text); font-family: Georgia, "Times New Roman", serif; font-size: 13px; font-weight: 600; }
.case-record-title input:hover, .case-record-title input:focus { border-bottom-color: var(--accent); }
.case-record-title input:focus { color: var(--accent); }
.case-record-title input:disabled { opacity: .62; }
.case-record-count { flex: 0 0 auto; padding-bottom: 5px; color: var(--muted); font-size: 8px; }
.case-record-body { padding-left: 1px; }
.case-record-body > .knowledge-empty { padding: 7px 0 0; font-size: 10px; }
.scope-heading h2, .chat-heading h2 { margin: 0; font-size: 15px; }
.scope-heading p, .chat-heading p { margin: 6px 0 18px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.scope-statement {
  margin: 2px 0 5px;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 15px;
  line-height: 1.75;
}
.scope-inline-select {
  position: relative;
  display: inline-flex;
  max-width: 100%;
  margin: 0 1px;
  vertical-align: baseline;
}
.scope-inline-select::after {
  content: "⌄";
  position: absolute;
  right: 4px;
  top: 50%;
  color: var(--accent);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 11px;
  line-height: 1;
  pointer-events: none;
  transform: translateY(-58%);
}
.scope-inline-select select {
  width: auto;
  max-width: 100%;
  min-height: 0;
  padding: 1px 18px 2px 4px;
  border: 0;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 45%, var(--border));
  border-radius: 5px 5px 2px 2px;
  outline: none;
  appearance: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: inherit;
  font-weight: 600;
  line-height: 1.35;
  cursor: pointer;
  transition: background-color .16s ease, border-color .16s ease;
}
.scope-inline-select-wide select { max-width: 205px; }
.scope-inline-select select:hover,
.scope-inline-select select:focus-visible {
  border-bottom-color: var(--accent);
  background: var(--accent-soft);
}
.scope-hint { margin: 0 0 21px; color: var(--muted); font-size: 9px; line-height: 1.45; }
.composition-current { margin: 0 0 12px; padding: 10px 11px; border-left: 3px solid var(--accent); background: var(--accent-soft); }
.composition-current strong, .composition-current span { display: block; }
.composition-current strong { font-size: 11px; }
.composition-current span { margin-top: 3px; color: var(--muted); font-size: 10px; }
details { margin-bottom: 14px; }
summary { color: var(--muted); font-size: 11px; cursor: pointer; }
.members { margin: 8px 0 0; padding: 0; list-style: none; }
.members li { display: flex; justify-content: space-between; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 10px; }
.members li span:last-child { color: var(--muted); text-align: right; }
.scope-panel label { display: block; margin: 12px 0 5px; color: var(--muted); font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; }
.scope-panel label.scope-inline-select {
  display: inline-flex;
  margin: 0 1px;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: normal;
  text-transform: none;
}
select, input[type="date"] { width: 100%; min-height: 40px; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; outline: none; background: var(--bg); color: var(--text); font-size: 11px; }
.date-range { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.period-summary { margin: 9px 0 0; color: var(--muted); font-size: 10px; line-height: 1.45; }

.chat-panel { display: flex; flex-direction: column; min-width: 0; }
.chat-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 17px 26px; border-bottom: 1px solid var(--border); background: var(--panel); }
.chat-heading-copy { min-width: 0; }
.chat-heading p { margin-bottom: 0; }
.prompt-suggestions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 11px; }
.prompt-suggestion { padding: 6px 9px; border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--border)); border-radius: 999px; background: transparent; color: var(--muted); font-size: 9px; line-height: 1.25; cursor: pointer; transition: color .16s ease, border-color .16s ease, background-color .16s ease; }
.prompt-suggestion:hover, .prompt-suggestion:focus-visible { border-color: var(--accent); outline: none; background: var(--accent-soft); color: var(--accent); }
.heading-actions { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.quiet-button { padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px; background: transparent; font-size: 11px; cursor: pointer; }
.quiet-button:disabled { opacity: .45; cursor: default; }
.save-project-button:not(:disabled) { border-color: color-mix(in srgb, var(--accent) 35%, var(--border)); color: var(--accent); }
.research-domain { position: sticky; top: 0; z-index: 8; display: grid; grid-template-columns: minmax(155px, .8fr) auto minmax(190px, 1fr); align-items: center; gap: 18px; padding: 12px 26px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--surface) 88%, var(--panel)); transition: box-shadow .22s ease; }
.research-domain-copy strong, .research-domain-copy span { display: block; }
.research-domain-copy strong { color: var(--text); font-size: 10px; letter-spacing: .025em; }
.research-domain-copy span, .research-domain > p { color: var(--muted); font-size: 8px; line-height: 1.4; }
.research-domain-copy span { margin-top: 2px; }
.research-domain > p { margin: 0; }
.research-domain-toggles { display: flex; align-items: center; gap: 4px; padding: 3px; border: 1px solid var(--border); border-radius: 999px; background: var(--panel); }
.research-domain-toggles button { display: flex; align-items: center; gap: 4px; min-height: 27px; padding: 4px 9px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 9px; font-weight: 750; cursor: pointer; transition: color .16s ease, background-color .16s ease, box-shadow .16s ease; }
.research-domain-toggles button > span { color: currentColor; font-size: 11px; font-weight: 500; }
.research-domain-toggles button:hover, .research-domain-toggles button:focus-visible { outline: none; color: var(--accent); }
.research-domain-toggles button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); box-shadow: 0 1px 4px color-mix(in srgb, var(--text) 9%, transparent); }
.messages { flex: 1 1 auto; display: flex; flex-direction: column; gap: 22px; min-height: 380px; padding: 34px clamp(22px, 7vw, 90px); }
.message { display: flex; gap: 12px; max-width: 900px; }
.assistant-message { align-self: flex-start; width: 100%; }
.user-message { align-self: flex-end; max-width: min(78%, 720px); padding: 11px 14px; border-radius: 15px 15px 4px 15px; background: var(--user); }
.assistant-mark { flex: 0 0 auto; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 9px; font-weight: 800; }
.message-body { min-width: 0; width: 100%; font-size: 13px; line-height: 1.6; }
.message-body p { margin: 0 0 10px; }
.message-body p:last-child { margin-bottom: 0; }
.message-file { display: block; margin-top: 7px; color: var(--muted); font-size: 10px; }
.context-update-message { max-width: 760px; }
.context-update-message .message-body { padding: 10px 14px; border-left: 2px solid var(--accent); border-radius: 0 10px 10px 0; background: color-mix(in srgb, var(--accent-soft) 52%, transparent); }
.context-update-label { display: block; margin-bottom: 4px; color: var(--accent); font-size: 8px; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.starting-paths { display: grid; max-width: 680px; margin-top: 18px; border-top: 1px solid var(--border); }
.starting-paths button { display: grid; grid-template-columns: 28px minmax(145px, .72fr) minmax(220px, 1fr); align-items: baseline; gap: 9px; width: 100%; padding: 12px 2px; border: 0; border-bottom: 1px solid var(--border); background: transparent; color: var(--text); text-align: left; cursor: pointer; }
.starting-paths button:hover strong, .starting-paths button:focus-visible strong { color: var(--accent); }
.starting-paths button:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }
.starting-paths button > span { color: var(--accent); font-size: 8px; font-weight: 800; }
.starting-paths button > strong { font-family: Georgia, "Times New Roman", serif; font-size: 13px; font-weight: 600; }
.starting-paths button > small { color: var(--muted); font-size: 9px; line-height: 1.4; }
.generation-progress { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 11px; max-width: 520px; padding: 12px 0 7px; }
.generation-pulse { position: relative; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent); animation: generation-pulse 1.65s ease-out infinite; }
.generation-pulse::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--panel); opacity: .45; }
.generation-copy { min-width: 0; }
.generation-copy strong, .generation-copy small { display: block; }
.generation-copy strong { color: var(--text); font-size: 12px; }
.generation-copy small { margin-top: 2px; overflow: hidden; color: var(--muted); font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.generation-elapsed { min-width: 34px; color: var(--accent); font-variant-numeric: tabular-nums; font-size: 10px; font-weight: 750; text-align: right; }
.generation-expectation { max-width: 520px; color: var(--muted); font-family: Georgia, "Times New Roman", serif; font-size: 11px; }
@keyframes generation-pulse { 0% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 45%, transparent); transform: scale(.9); } 55% { box-shadow: 0 0 0 9px color-mix(in srgb, var(--accent) 0%, transparent); transform: scale(1); } 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); transform: scale(.9); } }
@media (prefers-reduced-motion: reduce) { .generation-pulse { animation: none; } }
.answer-layout { display: grid; grid-template-columns: minmax(0, 1fr) 235px; gap: 28px; align-items: start; }
.answer-layout.document-only-answer { grid-template-columns: minmax(0, 1fr); max-width: 780px; }
.answer-title { display: block; margin-bottom: 7px; color: var(--accent); font-size: 11px; letter-spacing: .03em; text-transform: uppercase; }
.answer-engine { display: inline-block; margin: 0 0 10px; padding: 3px 7px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); font-size: 9px; line-height: 1.2; }
.direct-answer { margin: 0 0 12px !important; font-family: Georgia, "Times New Roman", serif; font-size: 18px; line-height: 1.5; }
.answer-intro, .limitations { color: var(--muted); }
.foundations-title { margin: 20px 0 8px; font-size: 12px; }
.conclusion { margin: 14px 0; padding-left: 13px; border-left: 2px solid var(--accent); }
.conclusion h3 { margin: 0 0 4px; font-size: 12px; }
.conclusion h3 span { color: var(--accent); }
.conclusion p { margin: 0; }
.answer-actions { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.answer-actions button { padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px; background: var(--panel); font-size: 10px; cursor: pointer; }
.answer-actions button:hover { border-color: var(--accent); background: var(--accent-soft); }
.citation-link { min-width: 18px; height: 18px; padding: 0 4px; border: 0; border-radius: 9px; background: var(--accent-soft); color: var(--accent); font-size: 9px; font-weight: 700; cursor: pointer; vertical-align: super; }
.footnotes { padding-left: 15px; border-left: 1px solid var(--border); }
.footnotes > h3 { margin: 0 0 8px; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .04em; }
.footnotes details { margin-top: 7px; }
.footnote { padding: 9px 0 10px; border-bottom: 1px solid var(--border); }
.footnote-head { display: flex; align-items: center; gap: 7px; }
.footnote-head > span { display: grid; place-items: center; flex: 0 0 auto; width: 18px; height: 18px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 9px; font-weight: 700; }
.footnote-head strong { color: var(--accent); font-size: 10px; }
.footnote > p { margin: 4px 0 0 25px; color: var(--muted); font-size: 9px; line-height: 1.4; }
.footnote-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 5px; margin: 8px 0 0 25px; }
.footnote-actions button { min-width: 0; padding: 5px 6px; border: 1px solid var(--border); border-radius: 6px; background: transparent; color: var(--muted); font-size: 8px; line-height: 1.25; text-align: center; cursor: pointer; }
.footnote-actions button:hover, .footnote-actions button[aria-expanded="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.footnote-excerpt { margin: 8px 0 0 25px; padding: 9px 10px; border-left: 2px solid var(--accent); border-radius: 0 7px 7px 0; background: var(--surface); }
.footnote-excerpt > span { display: block; margin-bottom: 4px; color: var(--accent); font-size: 8px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
.footnote-excerpt p { display: -webkit-box; margin: 0; overflow: hidden; color: var(--text); font-family: Georgia, "Times New Roman", serif; font-size: 10px; line-height: 1.5; -webkit-box-orient: vertical; -webkit-line-clamp: 7; }
.footnote-excerpt mark { padding: 0 1px; border-radius: 2px; background: color-mix(in srgb, var(--accent) 24%, transparent); color: inherit; }

.precedents { margin-top: 15px; }
.precedents summary { font-weight: 700; }
.precedent { padding: 10px 0; border-bottom: 1px solid var(--border); }
.precedent-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 7px; margin-bottom: 4px; font-size: 10px; }
.precedent-head strong { color: var(--accent); }
.precedent p { margin: 0; color: var(--muted); font-size: 11px; }
.precedent button { margin-top: 6px; padding: 0; border: 0; background: transparent; color: var(--accent); font-size: 10px; cursor: pointer; }
mark { background: var(--accent-soft); color: var(--text); }

.visual-output { margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--border); }
.visual-output h3 { margin: 0 0 10px; font-size: 12px; }
.chart-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.chart { min-width: 0; }
.chart-title { margin-bottom: 6px; color: var(--muted); font-size: 10px; }
.chart-bars { display: flex; align-items: flex-end; gap: 3px; min-height: 130px; padding: 10px 8px 20px; border-left: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.chart-bar { position: relative; flex: 1 1 auto; min-width: 4px; background: var(--accent); opacity: .8; }
.chart-bar:hover::after { content: attr(data-label) " · " attr(data-value); position: absolute; left: 50%; bottom: calc(100% + 5px); transform: translateX(-50%); z-index: 2; padding: 5px 6px; border-radius: 6px; background: var(--text); color: var(--panel); font-size: 9px; white-space: nowrap; }
.horizontal-bars { display: grid; gap: 7px; }
.horizontal-row { display: grid; grid-template-columns: minmax(95px, 1fr) 2fr auto; gap: 7px; align-items: center; font-size: 9px; }
.horizontal-track { height: 9px; background: var(--surface); }
.horizontal-fill { height: 100%; background: var(--accent); }
.infographic { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
.info-node { padding: 12px; border-top: 3px solid var(--accent); background: var(--surface); }
.info-node strong { display: block; margin-bottom: 5px; color: var(--accent); font-size: 11px; }
.info-node p { margin: 0; font-size: 10px; }
.sample-note { margin-top: 8px; color: var(--muted); font-size: 9px; }

.composer-wrap { padding: 0 clamp(18px, 6vw, 75px) 24px; }
.composer { padding: 10px 11px 8px; border: 1px solid var(--border); border-radius: 17px; background: var(--panel); box-shadow: 0 9px 26px color-mix(in srgb, var(--text) 7%, transparent); }
.attachment-chip { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-bottom: 7px; padding: 8px 9px; border-radius: 9px; background: var(--surface); color: var(--muted); font-size: 10px; }
.attachment-chip button { border: 0; background: transparent; color: var(--accent); font-size: 10px; cursor: pointer; }
.attachment-chip .word-edit-mode { margin-left: auto; padding: 5px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); }
.attachment-chip .word-edit-mode[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
textarea { display: block; width: 100%; min-height: 68px; max-height: 220px; resize: vertical; padding: 4px 3px 8px; border: 0; outline: none; background: transparent; color: var(--text); font-size: 14px; line-height: 1.5; }
textarea::placeholder { color: var(--muted); }
.composer-actions { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.attach-button { position: relative; display: grid; place-items: center; flex: 0 0 auto; width: 32px; height: 32px; margin: 0; border: 1px solid var(--border); border-radius: 50%; color: var(--text); font-size: 21px; font-weight: 400; line-height: 1; cursor: pointer; }
.attach-button input { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.search-mode-picker { position: relative; display: flex; align-items: center; flex: 0 0 auto; gap: 4px; height: 32px; margin: 0; padding: 0 8px 0 10px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); color: var(--muted); cursor: pointer; }
.search-mode-picker:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); background: var(--accent-soft); }
.search-mode-picker.is-disabled { opacity: .46; cursor: default; }
.search-mode-picker > span { color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; pointer-events: none; }
.search-mode-picker select { width: auto; min-width: 72px; min-height: 30px; padding: 0 18px 0 2px; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 10px; font-weight: 700; cursor: pointer; }
.model-picker { position: relative; display: flex; align-items: center; flex: 0 0 auto; gap: 4px; height: 32px; margin-left: auto; padding: 0 8px 0 10px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); color: var(--muted); cursor: pointer; }
.model-picker:hover { border-color: color-mix(in srgb, var(--accent) 55%, var(--border)); background: var(--accent-soft); }
.model-picker > span { color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .03em; text-transform: uppercase; pointer-events: none; }
.model-picker select { width: auto; min-width: 84px; min-height: 30px; padding: 0 18px 0 2px; border: 0; outline: 0; background: transparent; color: var(--text); font-size: 10px; font-weight: 700; cursor: pointer; }
.composer-status { flex: 1 1 auto; color: var(--muted); font-size: 10px; }
.composer-status.error { color: var(--danger); }
.send-button { display: grid; place-items: center; flex: 0 0 auto; width: 33px; height: 33px; border: 0; border-radius: 50%; background: var(--accent); color: light-dark(#ffffff, #10231d); font-size: 18px; cursor: pointer; }
.send-button:disabled { opacity: .5; cursor: wait; }
.privacy-note { margin: 7px 0 0; color: var(--muted); font-size: 9px; text-align: center; }

dialog {
  width: min(980px, calc(100% - 32px));
  max-height: min(88vh, 920px);
  padding: 0;
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border));
  border-radius: 18px;
  background: var(--panel);
  color: var(--text);
  box-shadow: 0 28px 80px color-mix(in srgb, #000 30%, transparent);
}
dialog[open] { display: flex; flex-direction: column; }
dialog::backdrop { background: color-mix(in srgb, #111 58%, transparent); backdrop-filter: blur(3px); }
.dialog-head {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 17px 20px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(12px);
}
.dialog-identity { min-width: 0; }
.dialog-identity span { display: block; margin-bottom: 4px; color: var(--accent); font-size: 9px; font-weight: 800; letter-spacing: .1em; }
.dialog-identity strong { display: block; overflow: hidden; font-family: Georgia, "Times New Roman", serif; font-size: 19px; font-weight: 500; text-overflow: ellipsis; white-space: nowrap; }
.dialog-actions { display: flex; align-items: center; gap: 8px; }
.dialog-actions button { cursor: pointer; }
.copy-ementa { padding: 8px 11px; border: 1px solid var(--border); border-radius: 9px; background: var(--accent-soft); color: var(--accent); font-size: 10px; font-weight: 700; }
.copy-ementa:hover:not(:disabled) { border-color: var(--accent); }
.copy-ementa:disabled { opacity: .45; cursor: wait; }
.close-dialog { display: grid; place-items: center; width: 34px; height: 34px; padding: 0; border: 0; border-radius: 50%; background: transparent; font-size: 23px; line-height: 1; }
.close-dialog:hover { background: var(--surface); }
.document-content { overflow: auto; padding: 24px clamp(20px, 4vw, 44px) 38px; }
.document-loading, .document-error { margin: 0; padding: 50px 0; color: var(--muted); text-align: center; }
.document-error { color: var(--danger); }
.document-hero { padding: 2px 0 22px; border-bottom: 1px solid var(--border); }
.document-hero h2 { margin: 0; font-family: Georgia, "Times New Roman", serif; font-size: clamp(25px, 4vw, 36px); font-weight: 500; line-height: 1.12; }
.document-hero p { margin: 8px 0 0; color: var(--muted); font-size: 11px; }
.document-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1px; margin: 18px 0 28px; overflow: hidden; border: 1px solid var(--border); border-radius: 12px; background: var(--border); }
.document-meta div { min-width: 0; padding: 12px 13px; background: var(--surface); }
.document-meta dt { margin-bottom: 4px; color: var(--muted); font-size: 9px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; }
.document-meta dd { margin: 0; overflow-wrap: anywhere; font-size: 11px; font-weight: 650; }
.document-section { margin-top: 26px; }
.document-section > h3 { display: flex; align-items: center; gap: 9px; margin: 0 0 12px; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.document-section > h3::before { content: ""; width: 22px; height: 2px; background: var(--accent); }
.ementa-text { margin: 0; white-space: pre-line; font-family: Georgia, "Times New Roman", serif; font-size: 16px; line-height: 1.72; }
.decision-text { margin: 0; padding: 17px 19px; border-left: 3px solid var(--accent); background: var(--accent-soft); white-space: pre-line; font-size: 12px; line-height: 1.7; }
.document-list { margin: 0; padding-left: 19px; font-size: 11px; line-height: 1.65; }
.document-list li + li { margin-top: 5px; }
.document-provenance { margin-top: 30px; padding-top: 13px; border-top: 1px solid var(--border); color: var(--muted); font-size: 9px; line-height: 1.5; }

.projects-dialog { width: min(900px, calc(100% - 32px)); }
.projects-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 17px 20px; border-bottom: 1px solid var(--border); }
.projects-dialog-head > div > span { display: block; margin-bottom: 4px; color: var(--accent); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.projects-dialog-head strong { font-family: Georgia, "Times New Roman", serif; font-size: 21px; font-weight: 500; }
.projects-dialog-head button { display: grid; place-items: center; width: 32px; height: 32px; padding: 0; border: 0; border-radius: 50%; background: transparent; font-size: 22px; cursor: pointer; }
.projects-dialog-head button:hover { background: var(--surface); }
.projects-dialog-body { display: flex; overflow: auto; flex-direction: column; padding: 22px 20px 28px; }
.projects-dialog-body > .project-save-form { order: 1; }
.projects-dialog-body > .project-center { order: 2; }
.projects-dialog-body > .saved-projects-heading { order: 3; }
.projects-dialog-body > .saved-projects-list { order: 4; margin-bottom: 22px; }
.projects-dialog-body > .account-usage-summary { order: 5; }
.projects-dialog-body > .account-plan-panel { order: 6; }
.projects-dialog-body > .byok-panel { order: 7; }
.account-plan-panel { margin-bottom: 23px; padding-bottom: 21px; border-bottom: 1px solid var(--border); }
.byok-panel { margin-bottom: 23px; padding-bottom: 21px; border-bottom: 1px solid var(--border); }
.byok-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.byok-heading span { display: block; margin-bottom: 3px; color: var(--accent); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.byok-heading strong { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 18px; font-weight: 500; }
.byok-heading > small, .byok-panel > p { color: var(--muted); font-size: 9px; line-height: 1.45; }
.byok-list { display: grid; gap: 8px; margin-top: 13px; }
.byok-row { display: grid; grid-template-columns: minmax(120px, .8fr) minmax(180px, 1.2fr) auto; align-items: center; gap: 9px; padding: 10px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); }
.byok-row > div strong, .byok-row > div small { display: block; }
.byok-row > div strong { font-size: 11px; }
.byok-row > div small { margin-top: 2px; color: var(--muted); font-size: 8px; }
.byok-row > div small.is-ready { color: var(--accent); }
.byok-row input { min-width: 0; height: 34px; padding: 0 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--paper); color: var(--text); font: inherit; font-size: 10px; }
.byok-row button, .document-download { min-height: 34px; padding: 0 13px; border: 1px solid var(--accent); border-radius: 999px; background: var(--accent); color: white; font-size: 9px; font-weight: 700; cursor: pointer; }
.byok-feedback.error { color: #9b2f2f; }

.document-edit-result { max-width: 720px; padding: 22px; border: 1px solid var(--border); border-radius: 16px; background: linear-gradient(145deg, var(--paper), var(--surface)); }
.document-edit-result > span { color: var(--accent); font-size: 8px; font-weight: 800; letter-spacing: .12em; }
.document-edit-result h3 { margin: 7px 0 9px; font-family: Georgia, "Times New Roman", serif; font-size: 21px; font-weight: 500; }
.document-edit-result > p { margin: 0 0 8px; font-size: 12px; line-height: 1.6; }
.document-edit-result > small { color: var(--muted); font-size: 9px; }
.document-change-list { margin: 15px 0; padding-top: 10px; border-top: 1px solid var(--border); }
.document-change-list p { margin: 5px 0; color: var(--muted); font-size: 9px; }
.document-download { display: inline-flex; align-items: center; text-decoration: none; }
.account-plan-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.account-plan-head > div:first-child span, .account-plan-head > div:first-child strong { display: block; }
.account-plan-head > div:first-child span { color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.account-plan-head > div:first-child strong { margin-top: 3px; font-family: Georgia, "Times New Roman", serif; font-size: 18px; font-weight: 500; }
.account-plan-toggle { display: flex; padding: 3px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); }
.account-plan-toggle button { padding: 6px 9px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 9px; font-weight: 750; cursor: pointer; }
.account-plan-toggle button[aria-pressed="true"] { background: var(--panel); color: var(--accent); box-shadow: 0 1px 5px color-mix(in srgb, var(--text) 10%, transparent); }
.account-plan-panel > p { margin: 8px 0 0; color: var(--muted); font-size: 9px; line-height: 1.45; }
.business-account-controls { margin-top: 15px; padding: 14px; border-radius: 12px; background: var(--surface); }
.business-account-controls form > label { display: block; margin-bottom: 5px; color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.business-account-controls form > div, .team-create-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px; }
.business-account-controls input { min-width: 0; min-height: 35px; padding: 7px 9px; border: 1px solid var(--border); border-radius: 8px; outline: none; background: var(--panel); color: var(--text); font-size: 10px; }
.business-account-controls input:focus { border-color: var(--accent); }
.business-account-controls form button { padding: 0 11px; border: 0; border-radius: 8px; background: var(--accent); color: light-dark(#fff, #10231d); font-size: 9px; font-weight: 750; cursor: pointer; }
.teams-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; margin: 15px 0 7px; color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.teams-heading small { color: var(--accent); font-size: 8px; font-weight: 500; letter-spacing: 0; text-transform: none; }
.teams-list { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 9px; }
.teams-list p { margin: 0; color: var(--muted); font-size: 9px; }
.team-chip { display: inline-flex; align-items: center; gap: 5px; padding: 5px 7px; border: 1px solid var(--border); border-radius: 999px; background: var(--panel); color: var(--text); font-size: 8px; }
.team-chip small { color: var(--muted); font-size: 7px; }
.account-plan-status { display: block; margin-top: 8px; color: var(--accent); font-size: 8px; }
.account-plan-status.error { color: var(--danger); }
.project-save-form { margin: 0 0 26px; }
.project-save-form > label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.project-save-form > div { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 7px; }
.project-save-form input { min-width: 0; min-height: 39px; padding: 9px 10px; border: 1px solid var(--border); border-radius: 8px; outline: none; background: var(--bg); color: var(--text); font-size: 11px; }
.project-save-form input:focus { border-color: var(--accent); }
.project-save-form button { padding: 0 13px; border: 0; border-radius: 8px; background: var(--accent); color: light-dark(#fff, #10231d); font-size: 10px; font-weight: 750; cursor: pointer; }
.project-save-form p { margin: 7px 0 0; color: var(--muted); font-size: 9px; line-height: 1.45; }
.project-save-form p.error { color: var(--danger); }
.project-team-sharing { margin: 12px 0 0; padding: 10px 11px; border: 1px solid var(--border); border-radius: 9px; }
.project-team-sharing legend { padding: 0 5px; color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .04em; text-transform: uppercase; }
.project-team-sharing > div { display: flex; flex-wrap: wrap; gap: 6px 11px; }
.project-team-sharing label { display: inline-flex; align-items: center; gap: 5px; color: var(--text); font-size: 9px; cursor: pointer; }
.project-team-sharing input { width: 13px; height: 13px; min-height: 0; margin: 0; accent-color: var(--accent); }
.project-team-sharing > small { display: block; margin-top: 8px; color: var(--muted); font-size: 8px; line-height: 1.4; }
.project-team-empty { color: var(--muted); font-size: 9px; }
.project-team-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.project-team-tags span { padding: 3px 5px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 7px; font-weight: 700; }
.project-center { margin: 0 0 24px; padding: 18px; border: 1px solid color-mix(in srgb, var(--accent) 28%, var(--border)); border-radius: 17px; background: linear-gradient(145deg, var(--panel), var(--surface)); }
.project-center-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 18px; }
.project-center-head > div:first-child > span { display: block; margin-bottom: 4px; color: var(--accent); font-size: 8px; font-weight: 800; letter-spacing: .11em; }
.project-center-head > div:first-child > strong { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 21px; font-weight: 500; }
.project-center-head > div:first-child > small { display: block; margin-top: 3px; color: var(--muted); font-size: 8px; }
.project-center-summary { display: flex; gap: 7px; }
.project-center-summary span { min-width: 72px; padding: 8px 9px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); color: var(--muted); font-size: 8px; text-align: center; }
.project-center-summary strong { display: block; margin-bottom: 2px; color: var(--text); font-family: Georgia, "Times New Roman", serif; font-size: 17px; font-weight: 500; }
.project-center-tabs { display: flex; gap: 4px; margin: 16px 0 12px; padding-bottom: 9px; border-bottom: 1px solid var(--border); }
.project-center-tabs button { padding: 7px 11px; border: 0; border-radius: 999px; background: transparent; color: var(--muted); font-size: 9px; font-weight: 750; cursor: pointer; }
.project-center-tabs button[aria-pressed="true"] { background: var(--accent); color: light-dark(#fff, #10231d); }
.project-center-panel { min-height: 150px; max-height: 330px; overflow: auto; }
.project-center-empty { margin: 0; padding: 25px 3px; color: var(--muted); font-family: Georgia, "Times New Roman", serif; font-size: 12px; }
.project-activity-row { display: grid; grid-template-columns: 29px minmax(0, 1fr); gap: 10px; padding: 10px 2px; border-bottom: 1px solid var(--border); }
.project-activity-row > span { display: grid; place-items: center; width: 27px; height: 27px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-size: 9px; font-weight: 800; }
.project-activity-row strong, .project-activity-row small { display: block; }
.project-activity-row strong { font-size: 10px; }
.project-activity-row small { margin-top: 2px; color: var(--muted); font-size: 8px; }
.project-activity-row p { overflow: hidden; margin: 5px 0 0; color: var(--muted); font-size: 9px; line-height: 1.4; text-overflow: ellipsis; white-space: nowrap; }
.project-file-card { display: grid; grid-template-columns: minmax(0, 1fr) minmax(170px, .6fr); gap: 16px; padding: 11px 2px; border-bottom: 1px solid var(--border); }
.project-file-card > div strong, .project-file-card > div small { display: block; }
.project-file-card > div strong { overflow: hidden; font-size: 10px; text-overflow: ellipsis; white-space: nowrap; }
.project-file-card > div small { margin-top: 3px; color: var(--muted); font-size: 8px; }
.project-file-actions { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.project-file-actions button { padding: 4px 7px; border: 1px solid var(--border); border-radius: 999px; background: transparent; color: var(--muted); font-size: 7px; font-weight: 700; cursor: pointer; }
.project-file-actions button:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.project-file-card details { font-size: 9px; }
.project-file-card summary { color: var(--accent); font-weight: 750; text-align: right; cursor: pointer; }
.project-version-row { display: grid; grid-template-columns: 1fr auto; gap: 2px 9px; margin-top: 8px; padding: 8px; border-radius: 8px; background: var(--panel); }
.project-version-row span { font-size: 8px; }
.project-version-row small { grid-column: 1; color: var(--muted); font-size: 7px; }
.project-version-row a { grid-column: 2; grid-row: 1 / span 2; align-self: center; color: var(--accent); font-size: 8px; font-weight: 750; text-decoration: none; }
.project-version-row button { grid-column: 1; justify-self: start; padding: 3px 6px; border: 1px solid var(--border); border-radius: 999px; background: transparent; color: var(--accent); font-size: 7px; cursor: pointer; }
.saved-projects-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; padding-bottom: 7px; border-bottom: 1px solid var(--border); color: var(--muted); font-size: 9px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.saved-projects-heading small { color: var(--accent); font-size: 8px; letter-spacing: 0; text-transform: none; }
.saved-projects-list { min-height: 100px; }
.saved-project-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 1px; border-bottom: 1px solid var(--border); }
.saved-project-row > div { min-width: 0; }
.saved-project-row strong, .saved-project-row small { display: block; }
.saved-project-row strong { overflow: hidden; font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.saved-project-row small { margin-top: 3px; color: var(--muted); font-size: 9px; }
.saved-project-row button { flex: 0 0 auto; padding: 6px 9px; border: 1px solid var(--border); border-radius: 7px; background: transparent; color: var(--accent); font-size: 9px; font-weight: 750; cursor: pointer; }
.saved-project-row button:hover { border-color: var(--accent); background: var(--accent-soft); }
.saved-project-actions { display: flex; flex: 0 0 auto; gap: 5px; }
.saved-project-row .project-center-open { border-color: var(--accent); background: var(--accent-soft); }
.projects-empty { margin: 0; padding: 24px 1px; color: var(--muted); font-family: Georgia, "Times New Roman", serif; font-size: 12px; }
.account-usage-summary { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: end; gap: 12px 22px; margin: 0 0 22px; padding: 15px 16px; border: 1px solid color-mix(in srgb, var(--accent) 25%, var(--border)); border-radius: 13px; background: var(--accent-soft); }
.account-usage-summary > div > span, .account-usage-summary > div > strong { display: block; }
.account-usage-summary > div > span { margin-bottom: 3px; color: var(--muted); font-size: 8px; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.account-usage-summary > div > strong { font-family: Georgia, "Times New Roman", serif; font-size: 24px; font-weight: 500; font-variant-numeric: tabular-nums; }
.account-usage-summary dl { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 11px 18px; margin: 0; }
.account-usage-summary dl div { text-align: right; }
.account-usage-summary dt { color: var(--muted); font-size: 8px; }
.account-usage-summary dd { margin: 2px 0 0; font-size: 10px; font-weight: 750; font-variant-numeric: tabular-nums; }
.account-usage-summary > small { grid-column: 1 / -1; color: var(--accent); font-size: 8px; }

.usage-dialog { width: min(540px, calc(100% - 32px)); }
.usage-dialog-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 18px 20px; border-bottom: 1px solid var(--border); }
.usage-dialog-head > div > span { display: block; margin-bottom: 4px; color: var(--accent); font-size: 8px; font-weight: 800; letter-spacing: .1em; }
.usage-dialog-head strong { font-family: Georgia, "Times New Roman", serif; font-size: 20px; font-weight: 500; }
.usage-dialog-head button { display: grid; place-items: center; width: 32px; height: 32px; padding: 0; border: 0; border-radius: 50%; background: transparent; font-size: 22px; cursor: pointer; }
.usage-dialog-head button:hover { background: var(--surface); }
.usage-dialog-body { overflow: auto; padding: 20px; }
.usage-total-card { display: grid; grid-template-columns: 1fr auto; align-items: start; gap: 10px 16px; padding: 18px; border: 1px solid color-mix(in srgb, var(--accent) 24%, var(--border)); border-radius: 15px; background: linear-gradient(135deg, var(--accent-soft), var(--panel) 72%); }
.usage-total-card > div span, .usage-total-card > div strong { display: block; }
.usage-total-card > div span { margin-bottom: 3px; color: var(--muted); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.usage-total-card > div strong { font-family: Georgia, "Times New Roman", serif; font-size: 30px; font-weight: 500; font-variant-numeric: tabular-nums; }
.usage-total-card > p { grid-column: 1 / -1; margin: 3px 0 0; color: var(--muted); font-size: 10px; line-height: 1.5; }
.usage-beta-state { padding: 6px 8px; border-radius: 999px; background: var(--accent); color: light-dark(#fff, #10231d); font-size: 8px; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.usage-breakdown { margin: 18px 0 0; border-top: 1px solid var(--border); }
.usage-breakdown > div { display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 12px 1px; border-bottom: 1px solid var(--border); }
.usage-breakdown dt { color: var(--muted); font-size: 10px; }
.usage-breakdown dd { margin: 0; font-size: 11px; font-weight: 750; font-variant-numeric: tabular-nums; }
.usage-cycle { display: grid; grid-template-columns: 1fr auto; gap: 3px 15px; margin-top: 18px; }
.usage-cycle > span { color: var(--muted); font-size: 9px; font-weight: 700; text-transform: uppercase; }
.usage-cycle > strong { font-size: 10px; }
.usage-cycle > small { grid-column: 1 / -1; color: var(--muted); font-size: 9px; }
.usage-future-note { margin: 18px 0 0; padding: 12px 13px; border-left: 2px solid var(--accent); background: var(--surface); color: var(--muted); font-size: 9px; line-height: 1.55; }

@media (min-width: 761px) {
  body { overflow: hidden; }
  .app-shell { display: flex; flex-direction: column; width: 100%; height: 100dvh; min-height: 0; }
  .topbar { flex: 0 0 auto; max-height: 220px; overflow: hidden; transition: max-height .24s ease, padding .24s ease, opacity .18s ease, transform .24s ease, border-color .24s ease; }
  .workspace { flex: 1 1 auto; width: 100%; min-height: 0; overflow: hidden; }
  .context-sidebar { overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; }
  .chat-panel { height: 100%; min-height: 0; overflow: hidden; }
  .chat-heading { flex: 0 0 auto; max-height: 220px; overflow: hidden; transition: max-height .24s ease, padding .24s ease, opacity .18s ease, transform .24s ease, border-color .24s ease; }
  .app-shell.conversation-scrolled .topbar, .chat-panel.is-chat-scrolled .chat-heading { max-height: 0; padding-top: 0; padding-bottom: 0; border-bottom-color: transparent; opacity: 0; transform: translateY(-10px); pointer-events: none; }
  .app-shell.conversation-scrolled .research-domain { box-shadow: 0 8px 22px color-mix(in srgb, var(--text) 7%, transparent); }
  .messages { min-height: 0; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; scroll-behavior: smooth; scrollbar-gutter: stable; }
  .composer-wrap { flex: 0 0 auto; padding-top: 12px; background: linear-gradient(to bottom, transparent, var(--bg) 18px); }
}

@media (prefers-reduced-motion: reduce) {
  .topbar, .chat-heading, .research-domain { transition: none; }
}

@media (max-width: 760px) {
  .auth-gate { grid-template-columns: 1fr; padding: 30px 22px; }
  .auth-brand { display: none; }
  .auth-card { justify-self: stretch; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .topbar-tools { align-items: flex-start; width: 100%; }
  .persona-controls { justify-content: flex-start; width: 100%; }
  .source-status { text-align: left; }
  .workspace { grid-template-columns: 1fr; }
  .scope-panel { border-right: 0; border-bottom: 1px solid var(--border); }
  .messages { min-height: 300px; padding: 28px 20px; }
  .research-domain { grid-template-columns: 1fr; gap: 8px; padding: 12px 17px; }
  .research-domain-toggles { justify-self: start; }
  .starting-paths button { grid-template-columns: 25px 1fr; }
  .starting-paths button > small { grid-column: 2; }
  .chart-grid { grid-template-columns: 1fr; }
  .dialog-head { align-items: flex-start; }
  .dialog-actions { flex: 0 0 auto; }
  .copy-ementa { max-width: 135px; }
  .document-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1120px) {
  .answer-layout { grid-template-columns: 1fr; gap: 18px; }
  .footnotes { padding: 13px 0 0; border-top: 1px solid var(--border); border-left: 0; }
}

@media (max-width: 430px) {
  .topbar, .scope-panel { padding: 17px; }
  .persona-controls { align-items: stretch; flex-direction: column; }
  .usage-meter { align-self: flex-start; }
  .chat-heading { align-items: flex-start; flex-direction: column; padding: 14px 17px; }
  .heading-actions { justify-content: flex-start; width: 100%; }
  .messages { padding: 22px 14px; }
  .user-message { max-width: 92%; }
  .composer-wrap { padding: 0 10px 16px; }
  .date-range { grid-template-columns: 1fr; }
  .horizontal-row { grid-template-columns: 88px 1fr auto; }
  .search-mode-picker > span { display: none; }
  .search-mode-picker select { min-width: 83px; }
  dialog { width: calc(100% - 14px); max-height: 94vh; border-radius: 14px; }
  .dialog-head { gap: 8px; padding: 13px 12px; }
  .dialog-identity strong { font-size: 15px; }
  .copy-ementa { padding: 7px 8px; font-size: 9px; }
  .document-content { padding: 20px 16px 30px; }
  .document-meta { grid-template-columns: 1fr; }
  .account-usage-summary { grid-template-columns: 1fr; align-items: start; }
  .account-usage-summary dl { justify-content: flex-start; }
  .account-usage-summary dl div { text-align: left; }
  .account-plan-head { align-items: flex-start; flex-direction: column; }
  .byok-row { grid-template-columns: 1fr; }
  .project-center-head { align-items: flex-start; flex-direction: column; }
  .project-center-summary { width: 100%; }
  .project-center-summary span { flex: 1; min-width: 0; }
  .project-file-card { grid-template-columns: 1fr; }
  .project-file-card summary { text-align: left; }
}