@font-face { font-family: "Inter"; font-weight: 100 900; font-display: swap; src: url("/fonts/inter-latin.woff2") format("woff2"); }
@font-face { font-family: "EB Garamond"; font-weight: 400 700; font-display: swap; src: url("/fonts/eb-garamond-latin.woff2") format("woff2"); }

:root {
  --app-background: #f9fafb;
  --text: #111827;
  --text-2: #4b5563;
  --text-3: #6b7280;
  --line: #e5e7eb;
  --line-soft: #f0f1f3;
  --surface: #fdfdfe;
  --surface-subtle: rgba(255, 255, 255, 0.55);
  --glass-border: rgba(255, 255, 255, 0.7);
  --shadow-flat: 0 1px 3px 0 rgba(0,0,0,.1), 0 1px 2px -1px rgba(0,0,0,.1), inset 0 1px 0 rgba(255,255,255,.55);
  --shadow-subtle: 0 3px 9px rgba(15,23,42,.052), inset 0 1px 0 rgba(255,255,255,.86), inset 0 -1px 0 rgba(255,255,255,.58);
  --shadow-float: 0 -1px 6px rgba(15,23,42,.034), 0 4px 9px rgba(15,23,42,.074), inset 0 1px 0 rgba(255,255,255,.85);
  --selected: #eef2f7;
  --hover: #f3f4f6;
  --accent: #111827;
  --accent-text: #ffffff;
  --ok: #15803d; --ok-bg: #f0fdf4;
  --warn: #b45309; --warn-bg: #fffbeb;
  --bad: #b91c1c; --bad-bg: #fef2f2;
  --info: #1d4ed8; --info-bg: #eff6ff;
  --mark: #fef08a;
  --focus: #2563eb;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --serif: "EB Garamond", Georgia, serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --app-background: #0b0f14; --text: #f3f4f6; --text-2: #d1d5db; --text-3: #9ca3af; --line: #2b3645; --line-soft: #202936;
    --surface: #131922; --surface-subtle: rgba(19,25,34,.9); --glass-border: rgba(148,163,184,.16);
    --shadow-flat: 0 1px 3px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.04);
    --shadow-subtle: 0 4px 10px rgba(0,0,0,.3), inset 0 1px 0 rgba(255,255,255,.07);
    --shadow-float: 0 4px 12px rgba(0,0,0,.28), inset 0 1px 0 rgba(255,255,255,.05);
    --selected: #222c38; --hover: #19212c; --accent: #f3f4f6; --accent-text: #0b0f14;
    --ok: #4ade80; --ok-bg: rgba(34,197,94,.12); --warn: #fbbf24; --warn-bg: rgba(245,158,11,.12);
    --bad: #f87171; --bad-bg: rgba(239,68,68,.12); --info: #93c5fd; --info-bg: rgba(59,130,246,.12); --mark: rgba(250,204,21,.35);
  }
}
:root[data-theme="dark"] { color-scheme: dark; }

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--app-background); color: var(--text); font: 14px/1.5 var(--sans); -webkit-font-smoothing: antialiased; min-height: 100vh; display: flex; flex-direction: column; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; border-radius: 6px; }
h1, h2, h3 { margin: 0; font-weight: 600; letter-spacing: -0.01em; }
h1.serif, .serif { font-family: var(--serif); font-weight: 400; }
.muted { color: var(--text-3); }
.small { font-size: 12px; }
.demo-banner { background: #111827; color: #fff; text-align: center; font-size: 12.5px; padding: 6px 16px; }
.shell { display: flex; flex: 1; min-height: 0; }
.sidebar { width: 232px; flex: none; padding: 18px 14px; display: flex; flex-direction: column; gap: 18px; position: sticky; top: 0; height: calc(100vh - 31px); }
.logo { display: flex; align-items: baseline; gap: 6px; text-decoration: none; padding: 4px 8px; flex-wrap: wrap; }
.logo-mark { width: 18px; height: 18px; border-radius: 6px; background: linear-gradient(135deg, #0a0a0a, #2a2a2a); box-shadow: inset 0 1px 0 rgba(255,255,255,.3); align-self: center; }
.logo-word { font-family: var(--serif); font-size: 26px; font-weight: 300; }
.logo-sub { font-size: 12px; color: var(--text-3); }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a { text-decoration: none; padding: 7px 10px; border-radius: 10px; color: var(--text-2); }
.sidebar nav a:hover { background: var(--hover); }
.sidebar nav a[aria-current="page"] { background: var(--surface); box-shadow: var(--shadow-subtle); color: var(--text); font-weight: 500; }
.sidebar-foot { margin-top: auto; padding: 0 10px; overflow-wrap: anywhere; }
main { flex: 1; min-width: 0; padding: 22px 28px 40px; outline: none; }
.foot { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 14px 28px; font-size: 12px; color: var(--text-3); border-top: 1px solid var(--line-soft); }

.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 18px; }
.page-head h1 { font-size: 22px; }
.crumbs { font-size: 12px; color: var(--text-3); margin-bottom: 4px; }
.crumbs a { text-decoration: none; }
.card { background: var(--surface); border: 1px solid var(--glass-border); box-shadow: var(--shadow-flat); border-radius: 16px; padding: 16px 18px; }
.card h3 { font-size: 14px; margin-bottom: 8px; }
.grid { display: grid; gap: 14px; }
.g2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }
.g3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }

.btn { display: inline-flex; align-items: center; gap: 6px; border: 0; border-radius: 999px; padding: 8px 14px; font: inherit; font-weight: 500; cursor: pointer; background: var(--surface); color: var(--text); box-shadow: var(--shadow-subtle); text-decoration: none; }
.btn:hover { background: var(--hover); }
.btn.primary { background: var(--accent); color: var(--accent-text); box-shadow: 0 3px 9px rgba(15,23,42,.18); }
.btn.primary:hover { opacity: .92; }
.btn:disabled { opacity: .55; cursor: progress; }
.btn.sm { padding: 5px 10px; font-size: 12.5px; }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 16px; }
.tabs button { border: 0; background: transparent; padding: 7px 13px; border-radius: 999px; font: inherit; color: var(--text-2); cursor: pointer; }
.tabs button:hover { background: var(--hover); }
.tabs button[aria-selected="true"] { background: var(--surface); color: var(--text); box-shadow: var(--shadow-subtle); font-weight: 500; }

input, select, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 8px 10px; max-width: 100%; }
textarea { width: 100%; resize: vertical; }
label { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; color: var(--text-2); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }

table { border-collapse: collapse; width: 100%; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--line-soft); }
th { font-size: 12px; font-weight: 500; color: var(--text-3); white-space: nowrap; }
.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); max-height: 70vh; }
.review th { position: sticky; top: 0; background: var(--surface); z-index: 2; }
.review td.sticky, .review th.sticky { position: sticky; left: 0; background: var(--surface); z-index: 1; min-width: 170px; }
.review th.sticky { z-index: 3; }
.review td { min-width: 150px; max-width: 240px; font-size: 13px; }
.cell-btn { all: unset; cursor: pointer; display: block; border-radius: 6px; padding: 2px 4px; margin: -2px -4px; overflow-wrap: anywhere; }
.cell-btn:hover { background: var(--hover); }
.cell-btn:focus-visible { outline: 2px solid var(--focus); }
.cit { display: block; font-size: 11.5px; color: var(--text-3); margin-top: 2px; }
.cell-flag { color: var(--bad); font-weight: 600; }

.status { font-weight: 500; }
.s-ok { color: var(--ok); } .s-warn { color: var(--warn); } .s-bad { color: var(--bad); } .s-info { color: var(--info); }
.alert { border-radius: 12px; padding: 10px 14px; margin-bottom: 8px; border: 1px solid transparent; }
.alert.bad { background: var(--bad-bg); border-color: color-mix(in srgb, var(--bad) 25%, transparent); }
.alert.warn { background: var(--warn-bg); border-color: color-mix(in srgb, var(--warn) 25%, transparent); }
.alert.info { background: var(--info-bg); border-color: color-mix(in srgb, var(--info) 25%, transparent); }
.alert.ok { background: var(--ok-bg); }
.alert strong { display: block; }
.alert .meta { font-size: 12px; color: var(--text-2); margin-top: 2px; }

.split { display: grid; grid-template-columns: 280px 1fr; gap: 14px; }
.piece-list { display: flex; flex-direction: column; gap: 4px; }
.piece-item { all: unset; cursor: pointer; padding: 8px 10px; border-radius: 10px; display: block; }
.piece-item:hover { background: var(--hover); }
.piece-item[aria-selected="true"] { background: var(--surface); box-shadow: var(--shadow-subtle); }
.piece-item .t { font-weight: 500; display: block; }
.doc { white-space: pre-wrap; font-family: var(--serif); font-size: 15.5px; line-height: 1.6; max-height: 72vh; overflow: auto; padding: 22px 28px; overflow-wrap: anywhere; }
mark { background: var(--mark); color: inherit; border-radius: 3px; padding: 0 1px; }

.chat { display: flex; flex-direction: column; gap: 12px; }
.msgs { display: flex; flex-direction: column; gap: 12px; }
.msg { border-radius: 14px; padding: 10px 14px; max-width: 900px; overflow-wrap: anywhere; }
.msg.user { background: var(--selected); align-self: flex-end; }
.msg.assistant { background: var(--surface); box-shadow: var(--shadow-flat); }
.msg p { margin: 0 0 8px; } .msg p:last-child { margin: 0; }
.msg ul, .msg ol { margin: 4px 0 8px; padding-left: 20px; }
.msg h4 { margin: 10px 0 4px; font-size: 14px; }
.chip { all: unset; cursor: pointer; display: inline; font-size: 12px; background: var(--info-bg); color: var(--info); border-radius: 6px; padding: 0 5px; white-space: nowrap; }
a.chip { text-decoration: none; }
.chip:hover { text-decoration: underline; }
.sources { font-size: 12px; color: var(--text-3); margin-top: 8px; border-top: 1px solid var(--line-soft); padding-top: 6px; }
.composer { display: flex; gap: 8px; align-items: flex-end; }
.composer textarea { min-height: 46px; }
.presets { display: flex; gap: 6px; flex-wrap: wrap; }

.hero { padding: 26px 0 8px; max-width: 860px; }
.hero h1 { font-family: var(--serif); font-weight: 400; font-size: 40px; line-height: 1.1; }
.hero p { font-size: 16px; color: var(--text-2); }
.kv { display: grid; grid-template-columns: minmax(120px, max-content) 1fr; gap: 4px 14px; font-size: 13px; }
.kv dt { color: var(--text-3); } .kv dd { margin: 0; overflow-wrap: anywhere; }
.skel { background: linear-gradient(90deg, var(--line-soft), var(--hover), var(--line-soft)); background-size: 200% 100%; animation: sk 1.2s infinite; border-radius: 6px; height: 12px; margin: 6px 0; }
@keyframes sk { to { background-position: -200% 0; } }
.drawer { position: fixed; top: 0; right: 0; height: 100vh; width: min(620px, 100vw); background: var(--surface); box-shadow: -10px 0 40px rgba(15,23,42,.18); z-index: 50; display: flex; flex-direction: column; }
.drawer-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid var(--line-soft); }
.drawer .doc { max-height: none; flex: 1; }
.big { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.right { text-align: right; } .nowrap { white-space: nowrap; }

@media (max-width: 860px) {
  .shell { flex-direction: column; }
  .sidebar { width: auto; height: auto; position: static; padding: 10px 16px; gap: 8px; }
  .sidebar nav { flex-direction: row; flex-wrap: wrap; }
  .sidebar-foot { display: none; }
  main { padding: 16px; }
  .split { grid-template-columns: 1fr; }
  .hero h1 { font-size: 30px; }
  .foot { padding: 14px 16px; }
}