/* Yes And · Drafts. A writing desk: research notes on the left, the letter on
   the right. Light and dark palettes are both real (the browser's forced dark
   mode mangles a light-only page). */
:root {
  color-scheme: light dark;
  --bg: #f3f1ec; --panel: #fbfaf7; --paper: #fffdf8; --ink: #1e2329; --muted: #6b7280;
  --line: #e2ddd3; --line-strong: #cfc8ba;
  --accent: #c2410c; --accent-ink: #fff; --link: #1d4ed8;
  --ok: #15803d; --ok-bg: #e7f4ea; --warn: #a15c00; --warn-bg: #fbf0dc;
  --err: #b42318; --err-bg: #fbeae8; --tag: #ebe7de;
  --shadow: 0 1px 2px rgba(30, 35, 41, .06), 0 8px 24px rgba(30, 35, 41, .06);
  --sans: "Segoe UI Variable Text", "Segoe UI", "SF Pro Text", -apple-system, "Noto Sans", "Helvetica Neue", sans-serif;
  --serif: Charter, "Bitstream Charter", "Iowan Old Style", "Sitka Text", Cambria, Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font: 15px/1.5 var(--sans); color: var(--ink);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171a; --panel: #1c1f23; --paper: #22262b; --ink: #e8e6e1; --muted: #9aa1ab;
    --line: #2e3238; --line-strong: #3d424a;
    --accent: #f97316; --accent-ink: #1a0d03; --link: #8ab4ff;
    --ok: #6fd08c; --ok-bg: #18301f; --warn: #f0b45a; --warn-bg: #33270f;
    --err: #ff8a80; --err-bg: #3a1a18; --tag: #2b2f35;
    --shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 10px 30px rgba(0, 0, 0, .25);
  }
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); min-height: 100vh; }
main { max-width: 1240px; margin: 0 auto; padding: 1.25rem 1.5rem 3rem; }
main.wide { max-width: 1760px; }
a { color: var(--link); }
h1 { font-size: 1.65rem; line-height: 1.2; margin: .15rem 0 .35rem; letter-spacing: -.01em; }
h2 { font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; color: var(--muted);
     margin: 0 0 .6rem; font-weight: 700; }
.card h2, .sheet h2 { font-size: 1.05rem; text-transform: none; letter-spacing: 0; color: var(--ink); }

/* top bar */
.top { display: flex; gap: 1.5rem; align-items: center; flex-wrap: wrap; padding: .55rem 1.5rem;
       background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top nav { display: flex; gap: 1.1rem; }
.top nav a, .brand { text-decoration: none; }
.top nav a { color: var(--ink); opacity: .8; }
.top nav a:hover { opacity: 1; text-decoration: underline; text-underline-offset: 3px; }
.brand { font-weight: 800; color: var(--ink); letter-spacing: -.01em; }
.brand::first-letter { color: var(--accent); }
.status { margin-left: auto; display: flex; gap: .6rem; align-items: center; }

/* shared pieces */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
        padding: 1rem 1.1rem; margin-bottom: 1rem; }
.narrow { max-width: 380px; margin: 4rem auto; }
.stack { display: flex; flex-direction: column; gap: .75rem; }
.row { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.between { justify-content: space-between; }
label { display: flex; flex-direction: column; gap: .25rem; font-weight: 600; font-size: .9rem; }
input, textarea, button { font: inherit; color: inherit; }
input[type=text], input:not([type]), input[type=password], textarea {
  border: 1px solid var(--line-strong); border-radius: 6px; padding: .5rem .65rem; width: 100%;
  font-weight: 400; background: var(--paper); color: var(--ink); }
input:focus, textarea:focus { outline: 2px solid color-mix(in srgb, var(--accent) 55%, transparent);
                              outline-offset: 1px; border-color: transparent; }
textarea { resize: vertical; line-height: 1.55; }
.mono { font-family: var(--mono); font-size: .85rem; }
button { border: 1px solid var(--line-strong); background: var(--panel); border-radius: 6px;
         padding: .45rem .95rem; cursor: pointer; }
button:hover:not(:disabled) { border-color: var(--muted); }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 650; }
button.primary:hover:not(:disabled) { filter: brightness(1.08); border-color: var(--accent); }
button.big { padding: .65rem 1.3rem; font-size: 1rem; }
button:disabled { opacity: .45; cursor: not-allowed; }
button.link { border: 0; background: none; color: var(--link); padding: 0; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.warn-text { color: var(--warn); }
.flash { padding: .65rem .9rem; border-radius: 8px; margin-bottom: 1rem;
         background: var(--ok-bg); color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.flash.error { background: var(--err-bg); color: var(--err); border-color: color-mix(in srgb, var(--err) 30%, transparent); }
.pill, .tag { display: inline-block; border-radius: 999px; font-size: .75rem; font-weight: 600;
              padding: .12rem .6rem; background: var(--tag); color: var(--muted);
              text-decoration: none; white-space: nowrap; vertical-align: middle; }
.pill.ok, .tag.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn, .tag.warn { background: var(--warn-bg); color: var(--warn); }
.tag.accent { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--accent); }
code { background: var(--tag); padding: .05rem .3rem; border-radius: 4px; font-size: .85em; word-break: break-all; }

/* prospect list */
.filters { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; margin: .5rem 0 1rem; }
.filters input[name=q] { max-width: 320px; }
.filters label { flex-direction: row; font-weight: 400; align-items: center; gap: .35rem; }
table.leads { width: 100%; border-collapse: collapse; background: var(--panel);
              border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.leads th, .leads td { text-align: left; padding: .55rem .75rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.leads tbody tr:hover { background: color-mix(in srgb, var(--accent) 5%, transparent); }
.leads th { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.pager { display: flex; gap: 1rem; justify-content: center; margin: 1rem 0; }

/* lead page: header */
.lead-head { display: flex; gap: 2rem; justify-content: space-between; align-items: flex-end;
             padding-bottom: 1rem; margin-bottom: 1.25rem; border-bottom: 1px solid var(--line); }
.crumb { font-size: .85rem; text-decoration: none; }
.meta { margin: 0; color: var(--muted); display: flex; gap: .4rem; align-items: center; flex-wrap: wrap; }
.contact { text-align: right; font-size: .9rem; }
.contact .who { font-weight: 650; }
.contact .who span { display: block; font-weight: 400; color: var(--muted); }
.contact .addr { font-family: var(--mono); font-size: .85rem; margin-top: .15rem; }

/* lead page: two panes. The research scrolls on its own so the letter stays put. */
.workspace { display: grid; grid-template-columns: minmax(340px, 5fr) minmax(0, 7fr); gap: 1.75rem; align-items: start; }
.dossier { position: sticky; top: 4rem; max-height: calc(100vh - 5rem); overflow-y: auto;
           padding-right: .75rem; scrollbar-width: thin; }
.dossier section { margin-bottom: 1.6rem; }
.glance { display: grid; gap: .7rem; }
.fact { background: var(--panel); border: 1px solid var(--line); border-left: 3px solid var(--accent);
        border-radius: 6px; padding: .6rem .8rem; }
.fact h3 { margin: 0 0 .2rem; font-size: .72rem; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); }
.fact p { margin: 0; white-space: pre-wrap; }
.notes summary { list-style: none; cursor: pointer; }
.notes summary::-webkit-details-marker { display: none; }
.notes .clamp { display: -webkit-box; -webkit-line-clamp: 6; -webkit-box-orient: vertical; overflow: hidden; white-space: pre-wrap; }
.notes .more { display: inline-block; margin-top: .3rem; color: var(--link); font-size: .85rem; }
.notes[open] summary { display: none; }
.notes p { margin: 0; white-space: pre-wrap; }
dl { margin: 0; display: grid; grid-template-columns: 9.5rem 1fr; gap: .5rem 1rem; }
dt { color: var(--muted); font-size: .82rem; padding-top: .1rem; }
dd { margin: 0; white-space: pre-wrap; }
.sources ul { padding-left: 1rem; word-break: break-all; }

/* lead page: the desk */
.history { font-size: .9rem; padding: .55rem .85rem; border-radius: 8px; margin-bottom: .9rem;
           border: 1px solid var(--line); background: var(--panel); }
.history.alert { border-color: color-mix(in srgb, var(--warn) 45%, transparent); background: var(--warn-bg); }
.history ul { margin: .5rem 0 0; padding-left: 1rem; }
.history summary { cursor: pointer; }
.sheet { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 1.5rem 1.75rem; }
.sheet.empty { min-height: 22rem; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; }
.sheet.empty p { max-width: 38rem; }
.letter { display: flex; flex-direction: column; gap: .2rem; position: relative; }
.letter .sent { align-self: flex-start; margin-bottom: .5rem; }
.line { flex-direction: row; align-items: center; gap: .75rem; border-bottom: 1px solid var(--line); padding: .15rem 0; }
.line span { width: 4.5rem; flex: none; color: var(--muted); font-weight: 500; font-size: .85rem; }
.line input { border: 0; background: transparent; padding: .45rem 0; }
.line input[name=subject] { font-weight: 650; }
.letter textarea { font-family: var(--serif); font-size: 1.08rem; line-height: 1.7; border: 0; background: transparent;
                   padding: 1rem 0 .5rem; min-height: 16rem; field-sizing: content; }
.letter textarea:focus, .line input:focus { outline: none; }
.angle { margin: 0 0 .9rem; color: var(--muted); font-size: .82rem; font-style: italic; }
fieldset.revise { border: 1px dashed var(--line-strong); border-radius: 8px; padding: .6rem .8rem .7rem;
                  display: flex; gap: .5rem; flex-wrap: wrap; margin: 0 0 1rem; }
fieldset.revise legend { font-size: .8rem; font-weight: 650; color: var(--muted); padding: 0 .3rem; }
fieldset.revise input { flex: 1; min-width: 220px; }
fieldset.revise p { flex-basis: 100%; margin: 0; }
.actions { display: flex; gap: .75rem; align-items: center; flex-wrap: wrap; }
.restart { margin: .7rem 0 0 .2rem; }
.versions-box { margin-top: 1.25rem; }
.versions-box summary { cursor: pointer; font-size: .85rem; color: var(--muted); font-weight: 650; }
.versions { margin: .5rem 0 0; padding-left: 1.4rem; }
.versions li { margin: .15rem 0; }
.versions li.current a { font-weight: 700; color: var(--ink); }
.pulse { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); margin-bottom: 1rem;
         animation: pulse 1.4s ease-in-out infinite; }
@keyframes pulse { 0%, 100% { opacity: .25; transform: scale(.8); } 50% { opacity: 1; transform: scale(1.25); } }
@media (prefers-reduced-motion: reduce) { .pulse { animation: none; } }

/* guide */
.tabs { display: flex; gap: .4rem; margin-bottom: .75rem; }
.tabs a { padding: .35rem .8rem; border-radius: 6px; text-decoration: none; color: var(--ink); }
.tabs a.active { background: var(--panel); border: 1px solid var(--line); font-weight: 600; }

@media (max-width: 960px) {
  .workspace { grid-template-columns: 1fr; }
  .dossier { position: static; max-height: none; overflow: visible; padding: 0; order: 2; }
  .lead-head { flex-direction: column; align-items: flex-start; }
  .contact { text-align: left; }
  dl { grid-template-columns: 1fr; }
  .letter textarea { min-height: 12rem; }
  .leads th:nth-child(3), .leads td:nth-child(3), .leads th:nth-child(4), .leads td:nth-child(4) { display: none; }
}