/* editsqlite — a light data-workspace: white grid on soft grey, indigo for the
   live cell, IBM Plex holding the type. The tool is the hero; a real grid and
   a SQL strip show what you get before you open a single file. */

:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --ink: #1a1d24;
  --dim: #6b7280;
  --line: #e4e7ec;
  --line-soft: #eef0f3;
  --accent: #4f46e5;
  --accent-deep: #4338ca;
  --accent-soft: #eef2ff;
  --ok: #16a34a;
  --warn: #d97706;
  --bad: #dc2626;
  --head: #f3f4f6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { background: var(--bg); }
body {
  color: var(--ink);
  background: var(--bg);
  font-family: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 15.5px;
  line-height: 1.6;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-deep); text-decoration: underline; }
code, .mono, table.grid, #sqlin, #sqlout,
table.pv, .pvconsole, .celledit,
.scn, .stcols .scn, .wizcol .wcn, .wizprev table {
  font-family: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; flex-wrap: wrap; gap: 8px 18px;
  max-width: 1120px; margin: 0 auto; padding: 14px 20px;
  border-bottom: 1px solid var(--line);
}
.topbar .mark {
  font-weight: 600; font-size: 1.3rem; letter-spacing: -0.01em;
  color: var(--ink); text-decoration: none;
}
.topbar .mark em { font-style: normal; color: var(--accent); }
.topbar .badge {
  font-size: 0.72rem; color: var(--dim);
  border: 1px solid var(--line); background: var(--surface);
  border-radius: 20px; padding: 2px 11px;
}
.topbar .badge::before { content: "● "; color: var(--ok); font-size: 0.7em; }
.topbar nav { margin-left: auto; display: flex; flex-wrap: wrap; gap: 4px 20px; font-size: 0.86rem; }
.topbar nav a { color: var(--dim); text-decoration: none; }
.topbar nav a.here { color: var(--ink); font-weight: 600; border-bottom: 2px solid var(--accent); }
.topbar nav a:hover { color: var(--accent-deep); text-decoration: none; }

/* ---------- main workspace ---------- */
.surface { max-width: 1120px; margin: 0 auto; padding: 22px 20px 0; }

/* ---------- hero / intake ---------- */
.intakebox { text-align: left; }
.hero h1 {
  font-size: 1.7rem; font-weight: 600; line-height: 1.18; letter-spacing: -0.02em;
  max-width: 640px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
@media (min-width: 620px) { .hero h1 { font-size: 2.2rem; } }
.hero .lede { color: var(--dim); font-size: 1rem; max-width: 620px; margin-top: 12px; }
.hero .lede b { color: var(--ink); font-weight: 600; }

.actions { display: flex; flex-wrap: wrap; gap: 9px; margin: 18px 0 8px; }

.draftbtn {
  appearance: none; cursor: pointer;
  font: 600 0.9rem "IBM Plex Sans", sans-serif;
  color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 18px;
  transition: border-color 0.12s, background 0.12s, color 0.12s;
}
.draftbtn:hover { border-color: var(--accent); color: var(--accent-deep); }
.draftbtn.solid { background: var(--accent); color: #fff; border-color: var(--accent); }
.draftbtn.solid:hover { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
.draftbtn.ghost { background: transparent; border-color: transparent; color: var(--accent); padding: 10px 8px; }
.draftbtn.ghost:hover { color: var(--accent-deep); text-decoration: underline; }
.draftbtn.small { font-size: 0.78rem; padding: 6px 12px; border-radius: 6px; }
.draftbtn:disabled { opacity: 0.4; cursor: default; }
.draftbtn:disabled:hover { border-color: var(--line); color: var(--ink); }

.dlhint { color: var(--accent); font-size: 0.9rem; font-weight: 500; margin: 2px 0 10px; }
.fineprint { color: var(--dim); font-size: 0.85rem; max-width: 620px; margin-top: 8px; }
.fineprint b { color: var(--ink); font-weight: 600; }

/* ---------- hero preview (static, decorative — mirrors the real grid) ---------- */
.preview {
  margin: 20px 0 6px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface); overflow: hidden;
  box-shadow: 0 1px 2px rgba(26, 29, 36, 0.04), 0 8px 24px rgba(26, 29, 36, 0.05);
}
.pvbar {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 9px 14px; border-bottom: 1px solid var(--line); background: var(--head);
  font-size: 0.78rem; color: var(--dim);
}
.pvbar .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.pvbar .dot:nth-child(2) { background: #dcdfe4; }
.pvbar .tag { margin-left: auto; font-family: "IBM Plex Mono", monospace; color: var(--ink); font-size: 0.74rem; }
.pvbar .tag b { color: var(--accent); font-weight: 500; }
.pvscroll { overflow-x: auto; }
table.pv { border-collapse: collapse; width: 100%; font-size: 0.78rem; }
table.pv th {
  background: var(--head); border: 1px solid var(--line); padding: 6px 12px;
  text-align: left; font-weight: 600; color: var(--dim); white-space: nowrap;
  font-family: "IBM Plex Sans", sans-serif; letter-spacing: 0.01em;
}
table.pv td { border: 1px solid var(--line); padding: 6px 12px; color: var(--ink); white-space: nowrap; }
table.pv .rn { background: var(--head); color: var(--dim); text-align: right; width: 2ch; }
table.pv .sel { background: var(--accent-soft); outline: 2px solid var(--accent); outline-offset: -2px; color: var(--accent-deep); }
table.pv .muted { color: var(--dim); }
.pvconsole {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 10px 14px; border-top: 1px solid var(--line); background: var(--surface);
  font-size: 0.78rem;
}
.pvconsole .prompt { color: var(--accent); font-weight: 600; }
.pvconsole .q { color: var(--ink); flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pvconsole .q b { color: var(--accent-deep); font-weight: 500; }
.pvconsole .runchip {
  border: 1px solid var(--line); border-radius: 6px; padding: 3px 10px;
  color: var(--dim); background: var(--head); font-family: "IBM Plex Sans", sans-serif; font-size: 0.72rem;
}

/* ---------- board (the live editor) ---------- */
#board {
  border: 1px solid var(--line); border-radius: 12px; background: var(--surface); overflow: hidden;
  box-shadow: 0 1px 2px rgba(26, 29, 36, 0.04), 0 8px 24px rgba(26, 29, 36, 0.05);
}
.boardbar {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  padding: 11px 14px; border-bottom: 1px solid var(--line); background: var(--head);
}
.boardbar .src { font-size: 0.8rem; color: var(--dim); margin-right: auto; }
.boardbar .src b { color: var(--ink); font-weight: 600; }

#tabs { display: flex; flex-wrap: wrap; gap: 5px; padding: 10px 14px 0; }
.tab {
  appearance: none; cursor: pointer; font: 500 0.8rem "IBM Plex Sans", sans-serif;
  color: var(--dim); background: var(--surface);
  border: 1px solid var(--line); border-radius: 7px 7px 0 0; border-bottom: 0; padding: 7px 14px;
}
.tab.on { color: var(--accent-deep); border-color: var(--line); font-weight: 600; background: var(--accent-soft); }
.tab.plus { color: var(--dim); border-style: dashed; }
.tab:hover { color: var(--ink); }

.gridwrap { overflow: auto; max-height: 56vh; border-top: 1px solid var(--line); }
table.grid { border-collapse: collapse; width: 100%; font-size: 0.78rem; }
table.grid th {
  position: sticky; top: 0; z-index: 1; background: var(--head);
  border: 1px solid var(--line); padding: 5px 10px; text-align: left; font-weight: 600;
  color: var(--dim); white-space: nowrap; font-family: "IBM Plex Sans", sans-serif;
}
table.grid td { border: 1px solid var(--line); padding: 4px 10px; max-width: 320px; overflow-wrap: break-word; color: var(--ink); }
table.grid td.cell { cursor: cell; }
table.grid td.cell:hover { background: var(--accent-soft); }
table.grid .rowno { color: var(--dim); white-space: nowrap; background: var(--head); text-align: right; }
.rowx, .colx {
  appearance: none; border: 0; background: transparent; color: var(--dim);
  cursor: pointer; font-size: 0.72rem; padding: 0 3px; visibility: hidden;
}
tr:hover .rowx, th:hover .colx { visibility: visible; }
.rowx:hover, .colx:hover { color: var(--bad); }
.addcol { appearance: none; border: 1px dashed var(--line); border-radius: 6px; background: none; color: var(--dim); cursor: pointer; font-size: 0.7rem; padding: 3px 8px; }
.addcol:hover { color: var(--accent); border-color: var(--accent); }
.colname { cursor: text; color: var(--ink); }
.nul { color: var(--dim); font-style: normal; }
.blob { color: var(--warn); }
.celledit {
  width: 100%; font: inherit; color: var(--ink); background: var(--accent-soft);
  border: 2px solid var(--accent); border-radius: 4px; padding: 2px 5px; outline: none;
}
.gridfacts { font-size: 0.74rem; color: var(--dim); padding: 8px 14px; border-top: 1px solid var(--line-soft); }

/* console */
.console { border-top: 1px solid var(--line); padding: 12px 14px; }
.airow { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.airow #aiq {
  flex: 1; min-width: 0; background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 8px 11px; font-size: 0.82rem;
}
.airow #aiq:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.console .lbl { font-size: 0.66rem; letter-spacing: 0.1em; color: var(--dim); text-transform: uppercase; margin-bottom: 6px; font-weight: 600; }
#sqlin {
  width: 100%; min-height: 54px; resize: vertical;
  background: var(--bg); color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; font-size: 0.82rem;
}
#sqlin:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.engchip {
  display: inline-block; margin-left: 10px; font-size: 0.7rem; color: var(--dim);
  font-family: "IBM Plex Mono", monospace; vertical-align: middle; letter-spacing: 0.02em;
}
.engchip.on { color: var(--accent); font-weight: 500; }
#sqloutwrap { overflow: auto; max-height: 220px; margin-top: 10px; border: 1px solid var(--line); border-radius: 8px; }
.sqloutbar {
  position: sticky; top: 0; z-index: 1; display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 6px 8px; background: var(--head); border-bottom: 1px solid var(--line);
}
.sqloutbar #sqloutcap { font-size: 0.7rem; color: var(--dim); font-family: "IBM Plex Mono", monospace; }
.sqloutbar .sqloutbtns { display: flex; gap: 6px; flex-shrink: 0; }
#sqlout { border-collapse: collapse; width: 100%; font-size: 0.76rem; }
#sqlout th { background: var(--head); color: var(--dim); padding: 4px 10px; border: 1px solid var(--line); text-align: left; font-family: "IBM Plex Sans", sans-serif; font-weight: 600; }
#sqlout td { padding: 4px 10px; border: 1px solid var(--line); color: var(--ink); }

/* export bar */
.shelfbar {
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
  border-top: 1px solid var(--line); padding: 12px 14px; background: var(--head);
}
.shelfbar select {
  font: 0.8rem "IBM Plex Sans", sans-serif; color: var(--ink); background: var(--surface);
  border: 1px solid var(--line); border-radius: 7px; padding: 8px 9px;
}
.draftline { font-size: 0.82rem; color: var(--dim); padding: 9px 14px 13px; min-height: 1.5em; }
.draftline:not(:empty) { color: var(--accent-deep); }

/* ---------- schema panel ---------- */
.worktop { display: flex; align-items: stretch; }
.worktable { flex: 1 1 auto; min-width: 0; }
.schema {
  flex: 0 0 236px; border-right: 1px solid var(--line);
  overflow: auto; max-height: 56vh; background: var(--bg); font-size: 0.78rem;
}
.schemahd {
  display: flex; align-items: center; gap: 8px; justify-content: space-between;
  padding: 9px 12px; border-bottom: 1px solid var(--line);
  font-size: 0.66rem; letter-spacing: 0.1em; color: var(--dim); text-transform: uppercase; font-weight: 600;
  position: sticky; top: 0; background: var(--head); z-index: 1;
}
.sto { border-bottom: 1px solid var(--line-soft); padding: 9px 12px; }
.sto.on { background: var(--accent-soft); }
.stname { display: flex; align-items: baseline; justify-content: space-between; gap: 6px; }
.stpick {
  appearance: none; background: none; border: 0; cursor: pointer; padding: 0;
  color: var(--accent); font: 600 0.84rem "IBM Plex Sans", sans-serif; text-align: left;
}
.sto.on .stpick { color: var(--accent-deep); text-decoration: underline; }
.stpick:hover { color: var(--accent-deep); }
.strows { color: var(--dim); font-size: 0.68rem; white-space: nowrap; }
.stcols { list-style: none; margin: 6px 0 8px; padding: 0; }
.stcols li {
  display: flex; align-items: baseline; justify-content: space-between; gap: 8px;
  padding: 3px 0; border-bottom: 1px dotted var(--line);
}
.stcols .scn { color: var(--ink); font-size: 0.74rem; overflow-wrap: anywhere; }
.stcols .spk { color: var(--accent); font-size: 0.58rem; letter-spacing: 0.06em; font-weight: 600; }
.stcols .sct { color: var(--dim); font-size: 0.64rem; letter-spacing: 0.04em; white-space: nowrap; }
.stbtns { display: flex; gap: 6px; }
.schemanote { color: var(--dim); font-size: 0.68rem; line-height: 1.5; padding: 11px; margin: 0; border-top: 1px solid var(--line-soft); }

/* saved queries */
.savedq { margin-top: 12px; border-top: 1px solid var(--line-soft); padding-top: 10px; }
.savedq .lbl { font-size: 0.66rem; letter-spacing: 0.1em; color: var(--dim); text-transform: uppercase; margin-bottom: 7px; font-weight: 600; }
.sq {
  display: flex; align-items: center; gap: 8px; padding: 5px 0;
  border-bottom: 1px dotted var(--line);
}
.sq .sqn { color: var(--ink); font-size: 0.82rem; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sq .sqt { color: var(--dim); font-size: 0.68rem; white-space: nowrap; }
.sq .rowx { visibility: visible; }

/* ---------- CSV import wizard (modal) ---------- */
.wizmodal {
  position: fixed; inset: 0; z-index: 50; display: flex; align-items: flex-start; justify-content: center;
  background: rgba(26, 29, 36, 0.4); padding: 5vh 16px; overflow: auto;
}
.wizcard {
  width: 100%; max-width: 620px; border: 1px solid var(--line); border-radius: 12px;
  background: var(--surface); overflow: hidden; box-shadow: 0 12px 40px rgba(26, 29, 36, 0.18);
}
.wizhead {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--head);
  font-size: 0.78rem; color: var(--ink); font-weight: 600;
}
.wizhead .rowx { visibility: visible; font-size: 1.1rem; }
.wizbody { padding: 16px; }
.wizstep { margin-bottom: 6px; }
.wizstep #wizpaste {
  width: 100%; min-height: 96px; resize: vertical; margin: 12px 0;
  background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 11px; font: 0.8rem "IBM Plex Mono", ui-monospace, monospace;
}
.wizname { display: block; font-size: 0.8rem; color: var(--dim); margin: 4px 0 12px; }
.wizname input {
  margin-left: 8px; background: var(--bg); color: var(--ink); border: 1px solid var(--line); border-radius: 6px;
  padding: 6px 9px; font: 0.84rem "IBM Plex Sans", sans-serif;
}
.wizcols { border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; overflow: hidden; }
.wizcol {
  display: flex; align-items: center; gap: 10px; padding: 8px 12px;
  border-bottom: 1px solid var(--line-soft);
}
.wizcol:last-child { border-bottom: 0; }
.wizcol .wcn { flex: 1 1 auto; color: var(--ink); font-size: 0.8rem; overflow-wrap: anywhere; }
.wizcol select { background: var(--surface); color: var(--ink); border: 1px solid var(--line); border-radius: 6px; padding: 5px 7px; font: 0.76rem "IBM Plex Sans", sans-serif; }
.wizcol .wcg { color: var(--dim); font-size: 0.66rem; white-space: nowrap; }
.wizprev { overflow: auto; max-height: 200px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 12px; }
.wizprev table { border-collapse: collapse; width: 100%; font-size: 0.74rem; }
.wizprev th { position: sticky; top: 0; background: var(--head); color: var(--dim); padding: 4px 10px; border: 1px solid var(--line); text-align: left; white-space: nowrap; font-family: "IBM Plex Sans", sans-serif; font-weight: 600; }
.wizprev td { padding: 4px 10px; border: 1px solid var(--line); color: var(--ink); }

/* ---------- prose sections ---------- */
.drawings { max-width: 740px; margin: 0 auto; padding: 8px 20px 0; }
.callout {
  font-weight: 600; font-size: 1.35rem; letter-spacing: -0.02em;
  margin: 46px 0 4px; display: flex; align-items: center; gap: 10px; color: var(--ink);
}
.callout::before { content: ""; width: 8px; height: 22px; border-radius: 3px; background: var(--accent); }
.callout + .callsub { color: var(--dim); font-size: 0.9rem; margin-bottom: 14px; padding-left: 18px; }
.drawings p { margin-bottom: 13px; font-size: 0.98rem; }
.drawings ol, .drawings ul { margin: 0 0 14px 22px; font-size: 0.98rem; }
.drawings li { margin-bottom: 8px; }
.dim { color: var(--dim); }

/* feature cards row */
.featgrid { display: grid; gap: 12px; margin: 6px 0 4px; }
@media (min-width: 620px) { .featgrid { grid-template-columns: 1fr 1fr; } }
.feat {
  border: 1px solid var(--line); border-radius: 10px; background: var(--surface); padding: 15px 17px;
}
.feat h3 { font-size: 1rem; font-weight: 600; margin-bottom: 5px; color: var(--ink); }
.feat p { font-size: 0.9rem; color: var(--dim); margin: 0; }

/* origin note */
.notebox {
  border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 10px;
  background: var(--surface); padding: 17px 19px; margin: 26px 0;
}
.notebox .sig { text-align: right; color: var(--dim); font-size: 0.84rem; margin-top: 8px; }

.revtable { font-size: 0.9rem; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.revtable dt { display: inline-block; color: var(--accent); font-weight: 600; padding: 10px 0 0 14px; float: left; margin-right: 14px; }
.revtable dd { padding: 10px 14px; border-bottom: 1px solid var(--line-soft); overflow: hidden; color: var(--dim); }
.revtable dd:last-child { border-bottom: 0; }

.rfis .q { border-top: 1px solid var(--line); padding: 14px 0; }
.rfis .q h3 { font-size: 0.98rem; margin-bottom: 5px; color: var(--ink); font-weight: 600; }
.rfis .q p { color: var(--dim); font-size: 0.92rem; margin: 0; }

.sheetlist a {
  display: block; border: 1px solid var(--line); border-radius: 10px; background: var(--surface);
  padding: 14px 17px; margin-bottom: 10px; color: var(--ink); text-decoration: none;
  transition: border-color 0.12s, box-shadow 0.12s;
}
.sheetlist a:hover { border-color: var(--accent); box-shadow: 0 4px 16px rgba(79, 70, 229, 0.08); text-decoration: none; }
.sheetlist b { display: block; font-size: 1.04rem; font-weight: 600; }
.sheetlist span { color: var(--dim); font-size: 0.88rem; }
.sheetlist time { display: block; font-size: 0.7rem; letter-spacing: 0.06em; color: var(--dim); text-transform: uppercase; margin-top: 7px; }

/* ---------- blog articles ---------- */
article.sheet { padding-top: 24px; }
article.sheet h1 { font-weight: 600; font-size: 1.7rem; letter-spacing: -0.02em; margin-bottom: 5px; }
article.sheet .meta { color: var(--dim); font-size: 0.76rem; letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 20px; }
article.sheet h2 { font-size: 1.2rem; font-weight: 600; margin: 26px 0 9px; color: var(--ink); }
article.sheet p { margin-bottom: 13px; font-size: 0.98rem; }
article.sheet figure { margin: 22px 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
article.sheet figure svg { display: block; width: 100%; height: auto; }
article.sheet figcaption { font-size: 0.76rem; color: var(--dim); padding: 9px 14px; border-top: 1px solid var(--line); background: var(--head); }
article.sheet code { font-family: "IBM Plex Mono", monospace; color: var(--accent-deep); font-size: 0.92em; }

/* ---------- plain pages ---------- */
.drawings p b { color: var(--ink); font-weight: 600; }

/* ---------- footer ---------- */
footer.border {
  margin: 56px auto 24px; max-width: 1120px; border-top: 1px solid var(--line);
  padding: 18px 20px; font-size: 0.8rem; color: var(--dim);
  display: flex; flex-wrap: wrap; gap: 8px 22px; align-items: center;
}
footer.border a { color: var(--dim); text-decoration: none; }
footer.border a:hover { color: var(--accent-deep); }
footer.border span { color: var(--dim); }

@media (max-width: 640px) {
  .worktop { flex-direction: column; }
  .schema { flex-basis: auto; max-height: 240px; border-right: 0; border-bottom: 1px solid var(--line); }
}

[hidden] { display: none !important; }