:root {
  --page: #01142c;
  --topbar: #011226;
  --doc-panel: #00132c;
  --template-panel: #041832;
  --preview-panel: #071a34;
  --preview-stage: #0c1f3a;
  --data-panel: #091e38;
  --card: #0d2748;
  --card-2: #102c50;
  --active: #16345f;
  --active-2: #173a6d;
  --line: #24405f;
  --line-soft: rgba(103, 139, 177, .32);
  --line-faint: rgba(103, 139, 177, .16);
  --text: #f4f7fb;
  --text-2: #c8d3e1;
  --muted: #96a9c0;
  --muted-2: #738aa6;
  --blue: #0d6efd;
  --blue-hover: #1d7aff;
  --blue-soft: rgba(13, 110, 253, .17);
  --green: #69dc90;
  --green-bg: rgba(73, 181, 113, .18);
  --shadow: 0 18px 55px rgba(0, 0, 0, .18);
  --radius-outer: 12px;
  --radius-card: 9px;
}

* { box-sizing: border-box; }
html { min-width: 320px; background: var(--page); }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 76% 6%, rgba(24, 91, 157, .11), transparent 27%),
    linear-gradient(180deg, #01142c 0%, #01152f 100%);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 14px;
}

button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
a { color: inherit; }

.topbar {
  height: 66px;
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) auto;
  align-items: center;
  gap: 22px;
  padding: 0 42px;
  background: rgba(1, 18, 38, .985);
  border-bottom: 1px solid #1a314c;
  box-shadow: 0 3px 12px rgba(0, 0, 0, .12);
}

.brand {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: #f5f7fb;
  text-decoration: none;
  font-size: 23px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: -.035em;
}
.brand img {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  object-fit: contain;
}

.landing-nav {
  justify-self: center;
  min-width: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.landing-nav a {
  position: relative;
  display: inline-flex;
  align-items: center;
  height: 66px;
  color: #b9c4d3;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 500;
  white-space: nowrap;
  transition: color .14s ease;
}
.landing-nav a + a::before {
  content: '';
  width: 1px;
  height: 18px;
  margin: 0 17px;
  background: #243b57;
}
.landing-nav a:hover { color: #fff; }
.landing-nav a.is-active { color: #2e83ff; font-weight: 600; }

.top-actions {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 19px;
}
.help-button {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  border: 1.5px solid #8295af;
  border-radius: 50%;
  color: #aab8ca;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: color .14s ease, border-color .14s ease, background .14s ease;
}
.help-button:hover { color: #fff; border-color: #c5d2e1; background: rgba(255,255,255,.05); }
.top-link {
  color: #d5dce6;
  text-decoration: none;
  font-size: 12.5px;
  font-weight: 500;
  padding: 10px 0;
  transition: color .14s ease;
}
.top-link:hover { color: #fff; }
.top-button {
  height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-width: 134px;
  padding: 0 17px;
  border: 1px solid #2b80ff;
  border-radius: 6px;
  color: #fff;
  background: linear-gradient(180deg, #1878ff 0%, #095ee6 100%);
  box-shadow: 0 6px 16px rgba(0, 88, 225, .25), inset 0 1px 0 rgba(255,255,255,.14);
  text-decoration: none;
  font-size: 12px;
  font-weight: 600;
  transition: filter .14s ease, transform .14s ease, box-shadow .14s ease;
}
.top-button svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 1.9; stroke-linecap: round; stroke-linejoin: round; }
.top-button:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 8px 20px rgba(0, 88, 225, .31); }

.landing-shell {
  width: min(1592px, calc(100% - 80px));
  margin: 0 auto;
  padding: 25px 0 42px;
}
.hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 603px;
  align-items: center;
  gap: 20px;
  min-height: 98px;
  margin: 0 2px 24px;
  padding-right: 26px;
}
.eyebrow,
.panel-kicker {
  display: block;
  margin: 0 0 13px;
  color: #42a0ff;
  font-size: 11px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.hero-copy h1 {
  margin: 0;
  color: #f7f9fc;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -.036em;
  font-weight: 700;
  white-space: nowrap;
}
.hero-subtitle {
  margin: 12px 0 0;
  color: #aebccd;
  font-size: 14px;
  line-height: 1.55;
  font-weight: 400;
  white-space: nowrap;
}

.hero-steps {
  width: 603px;
  height: 80px;
  margin-left: auto;
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1.08fr;
  align-items: center;
  padding: 0 21px;
  border: 1px solid #25415f;
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(13, 35, 63, .96), rgba(10, 29, 54, .96));
  box-shadow: inset 0 1px 0 rgba(255,255,255,.02);
}
.hero-step {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}
.step-number {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: grid;
  place-items: center;
  border: 1px solid #31506f;
  border-radius: 50%;
  color: #dce6f2;
  background: rgba(5, 23, 43, .48);
  font-size: 16px;
  font-weight: 500;
}
.hero-step.active .step-number {
  color: #fff;
  border-color: #3f8fff;
  background: linear-gradient(180deg, #2785ff, #0f69f5);
  box-shadow: 0 4px 14px rgba(15, 105, 245, .25);
}
.step-copy { min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.step-copy strong { color: #f4f7fb; font-size: 12.5px; line-height: 1.1; font-weight: 600; white-space: nowrap; }
.step-copy small { color: #a6b5c8; font-size: 11.5px; line-height: 1.15; font-weight: 400; white-space: nowrap; }
.step-chevron { color: #6f87a2; font-size: 26px; line-height: 1; text-align: center; transform: translateY(-1px); }

.workspace {
  height: 685px;
  display: grid;
  grid-template-columns: 180px 273px minmax(650px, 1fr) 370px;
  overflow: hidden;
  border: 1px solid #28445f;
  border-radius: var(--radius-outer);
  background: var(--preview-panel);
  box-shadow: var(--shadow);
}
.document-sidebar,
.template-sidebar,
.data-panel,
.preview-panel { min-width: 0; min-height: 0; }

.document-sidebar {
  display: flex;
  flex-direction: column;
  padding: 19px 9px 17px;
  background: var(--doc-panel);
  border-right: 1px solid #25415d;
}
.sidebar-heading {
  padding: 2px 12px 15px;
  color: #69809d;
  font-size: 10px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.document-types { display: flex; flex-direction: column; gap: 5px; }
.document-type {
  width: 100%;
  height: 49px;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 13px;
  padding: 0 14px;
  border-radius: 7px;
  color: #b6c3d4;
  background: transparent;
  font-size: 12px;
  font-weight: 500;
  text-align: left;
  transition: background .14s ease, border-color .14s ease, color .14s ease;
}
.document-type:hover {
  color: #fff;
  background: #0b2748;
  border-color: rgba(67, 110, 154, .22);
}
.document-type.active {
  color: #fff;
  background: linear-gradient(90deg, #15335e 0%, #173b70 100%);
  border-color: #245085;
  box-shadow: inset 3px 0 0 #1572ff;
}
.doc-icon {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: #b8cae0;
}
.document-type.active .doc-icon { color: #e5efff; }
.doc-icon svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-width: 1.75; stroke-linecap: round; stroke-linejoin: round; }

.sidebar-help {
  margin-top: auto;
  min-height: 116px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 11px;
  padding: 12px 11px;
  border: 1px solid #1f3b59;
  border-radius: 8px;
  color: inherit;
  background: rgba(1, 20, 44, .36);
  text-decoration: none;
  transition: border-color .14s ease, background .14s ease;
}
.sidebar-help:hover { border-color: #315577; background: rgba(9, 35, 65, .62); }
.sidebar-help-icon {
  width: 41px;
  height: 41px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #9fc9ff;
  background: #102f58;
}
.sidebar-help-icon svg { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.sidebar-help-copy { display: flex; flex-direction: column; gap: 5px; }
.sidebar-help-copy strong { color: #f1f5fb; font-size: 9.5px; line-height: 1.35; font-weight: 600; }
.sidebar-help-copy small { color: #4c9cff; font-size: 8.5px; line-height: 1.25; }

.template-sidebar {
  padding: 17px 16px;
  background: var(--template-panel);
  border-right: 1px solid #25415d;
}
.panel-title-row,
.columns-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.panel-title-row { min-height: 31px; margin-bottom: 11px; padding: 0 5px; }
.panel-title-row h2 {
  margin: 0;
  color: #51a2ff;
  font-size: 11px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.template-add {
  width: 27px;
  height: 27px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid #365779;
  border-radius: 6px;
  color: #9cc4f0;
  background: #0d294b;
  font-size: 22px;
  line-height: 1;
  font-weight: 300;
  transition: color .14s ease, background .14s ease, border-color .14s ease;
}
.template-add:hover { color: #fff; background: #12365f; border-color: #4a75a0; }
.template-count { display: none !important; }
.template-list { display: flex; flex-direction: column; gap: 9px; }
.template-card {
  width: 100%;
  min-height: 117px;
  position: relative;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr) 24px;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid #234a78;
  border-radius: 9px;
  color: #e6edf7;
  background: #0d2645;
  text-align: left;
  transition: background .14s ease, border-color .14s ease, box-shadow .14s ease, transform .14s ease;
}
.template-card:hover {
  background: #112d50;
  border-color: #3776bb;
  transform: translateY(-1px);
}
.template-card.active {
  background: linear-gradient(135deg, #102a4c 0%, #11345e 100%);
  border-color: #1f7af2;
  box-shadow: 0 0 0 1px rgba(12, 113, 255, .12), inset 0 1px 0 rgba(255,255,255,.02);
}
.template-thumb-wrap {
  width: 62px;
  height: 84px;
  overflow: hidden;
  border-radius: 5px;
  background: #fff;
  box-shadow: 0 5px 14px rgba(0, 0, 0, .24);
}
.template-thumb-wrap canvas { display: block; width: 62px !important; height: 82.67px !important; }
.template-card-copy { min-width: 0; }
.template-card-copy strong { display: block; color: #f5f7fb; font-size: 11.5px; line-height: 1.25; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.template-card-copy span { display: block; max-width: 112px; margin-top: 7px; color: #9db0c6; font-size: 11.5px; line-height: 1.45; }
.template-check {
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(180deg, #3d91ff, #1b70f7);
  box-shadow: 0 3px 9px rgba(22, 104, 235, .28);
}
.template-check svg { width: 14px; height: 14px; fill: none; stroke: currentColor; stroke-width: 2.3; stroke-linecap: round; stroke-linejoin: round; }
.template-empty {
  margin-top: 6px;
  min-height: 180px;
  padding: 24px 13px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px dashed #294764;
  border-radius: 9px;
  color: #6f839b;
}
.template-empty[hidden] { display: none; }
.empty-icon { width: 32px; height: 32px; margin-bottom: 10px; display: grid; place-items: center; border-radius: 7px; background: #0d2948; font-size: 18px; }
.template-empty strong { color: #b2bfd0; font-size: 11px; }
.template-empty span { margin-top: 6px; font-size: 9px; line-height: 1.5; }

.preview-panel { display: flex; flex-direction: column; background: var(--preview-panel); }
.preview-toolbar {
  height: 56px;
  flex: 0 0 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 18px;
  border-bottom: 1px solid #1d3855;
  background: #071a34;
}
.preview-toolbar > div:first-child { display: flex; align-items: center; gap: 11px; min-width: 0; }
.preview-label { color: #4fa2ff; font-size: 10.5px; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.preview-toolbar strong { color: #f4f6fa; font-size: 12px; line-height: 1; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-linked-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 8px;
  border: 1px solid rgba(79, 198, 121, .19);
  border-radius: 5px;
  color: #84d99e;
  background: rgba(54, 159, 92, .19);
  font-size: 9px;
  font-weight: 600;
}
.preview-help { display: flex; align-items: center; gap: 8px; color: #91a4bb; font-size: 10.5px; white-space: nowrap; }
.preview-help.active { color: #d9e8f9; }
.preview-help-dot {
  width: 7px;
  height: 7px;
  border: 1.5px solid #63a7ff;
  border-radius: 50%;
  background: transparent;
}
.preview-help.active .preview-help-dot { background: #4f97ff; box-shadow: 0 0 0 3px rgba(79,151,255,.14); }

.canvas-stage {
  min-height: 0;
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  overflow: auto;
  padding: 23px 55px 34px;
  background:
    radial-gradient(circle, rgba(100, 139, 180, .16) 1px, transparent 1.4px),
    var(--preview-stage);
  background-size: 14px 14px;
  scrollbar-width: thin;
  scrollbar-color: #536a84 #0a1b32;
}
.canvas-stage::-webkit-scrollbar,
.columns-list::-webkit-scrollbar { width: 8px; height: 8px; }
.canvas-stage::-webkit-scrollbar-track,
.columns-list::-webkit-scrollbar-track { background: transparent; }
.canvas-stage::-webkit-scrollbar-thumb,
.columns-list::-webkit-scrollbar-thumb { background: #536a84; border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }
.canvas-page-shell {
  position: relative;
  width: min(100%, 624px);
  aspect-ratio: 3 / 4;
  flex: 0 0 auto;
  overflow: visible;
  border-radius: 6px 6px 0 0;
  background: #fff;
  box-shadow: 0 13px 32px rgba(0,0,0,.32), 0 0 0 1px rgba(255,255,255,.06);
  transition: box-shadow .16s ease;
}
.canvas-page-shell.linking { box-shadow: 0 13px 32px rgba(0,0,0,.32), 0 0 0 2px rgba(37,128,255,.82), 0 0 0 6px rgba(37,128,255,.08); }
.canvas-container { width: 100% !important; height: 100% !important; border-radius: inherit; }
.canvas-container canvas { width: 100% !important; height: 100% !important; border-radius: inherit; }

.data-panel {
  display: flex;
  flex-direction: column;
  padding: 0;
  background: var(--data-panel);
  border-left: 1px solid #25415d;
}
.data-section {
  padding: 18px 16px 14px;
  border-bottom: 1px solid #1e3a58;
}
.data-section-heading,
.columns-heading h2 {
  margin: 0;
  color: #4fa2ff;
  font-size: 10.5px;
  line-height: 1;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.upload-card {
  position: relative;
  min-height: 165px;
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  padding: 12px;
  border: 1px dashed #1b79e9;
  border-radius: 8px;
  background: #071b33;
  text-align: center;
  transition: border-color .14s ease, background .14s ease, transform .14s ease;
}
.upload-card.dragover { border-color: #54a3ff; background: #0a2444; transform: translateY(-1px); }
.upload-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; width: 100%; }
.upload-icon {
  width: 43px;
  height: 43px;
  margin-bottom: 7px;
  display: grid;
  place-items: center;
  color: #bcd5f2;
}
.upload-icon svg { width: 34px; height: 34px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.upload-empty strong { color: #f4f7fb; font-size: 11.5px; line-height: 1.25; font-weight: 500; }
.upload-empty > span { margin-top: 6px; color: #91a4bc; font-size: 9.5px; }
.upload-empty > button#uploadButton {
  height: 36px;
  margin-top: 14px;
  padding: 0 17px;
  border: 1px solid #187cff;
  border-radius: 6px;
  color: #fff;
  background: linear-gradient(180deg, #1179ff, #075ee6);
  box-shadow: 0 5px 14px rgba(0, 88, 225, .23);
  font-size: 10.5px;
  font-weight: 600;
}
.upload-empty > button#uploadButton:hover { background: linear-gradient(180deg, #2a88ff, #0967ee); }
.upload-card.has-file {
  min-height: 78px;
  margin-top: 12px;
  padding: 8px;
  border-style: dashed;
  border-color: #356b9f;
  background: #071b33;
}
.upload-card.has-file .upload-empty { display: flex; transform: scale(.82); }
.upload-card.has-file .upload-icon { display: none; }
.upload-card.has-file .upload-empty > span { display: none; }
.upload-card.has-file .upload-empty > button#uploadButton { margin-top: 7px; height: 30px; }
.file-pill {
  width: 100%;
  min-height: 52px;
  margin-top: 13px;
  display: grid;
  grid-template-columns: 34px minmax(0,1fr) 28px;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid #49647f;
  border-radius: 8px;
  color: #e8eef6;
  background: #0b223d;
  text-align: left;
}
.file-pill[hidden] { display: none; }
.file-pill-icon {
  width: 31px;
  height: 31px;
  display: grid;
  place-items: center;
  border-radius: 5px;
  color: #d8f3df;
  background: linear-gradient(135deg, #2d8c55, #1d6a40);
}
.file-pill-icon svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.65; stroke-linecap: round; stroke-linejoin: round; }
.file-pill-copy { min-width: 0; display: block; }
.file-pill-name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #f5f7fb; font-size: 11px; line-height: 1.1; font-weight: 500; }
.file-pill-meta { display: block; margin-top: 4px; color: #9bacc0; font-size: 9.5px; line-height: 1.1; white-space: nowrap; }
.file-pill button {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 6px;
  color: #8ea2ba;
  background: transparent;
  font-size: 18px;
  line-height: 1;
}
.file-pill button:hover { color: #fff; border-color: #3d5875; background: #132e4a; }

.columns-card {
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 13px 16px 18px;
  background: transparent;
}
.columns-heading { min-height: 31px; }
.columns-heading h2 { flex: 1; }
.columns-count {
  min-width: 29px;
  height: 24px;
  display: inline-grid;
  place-items: center;
  padding: 0 7px;
  border: 0;
  border-radius: 6px;
  color: #a8b9cc;
  background: #102d4f;
  font-size: 10px;
  font-weight: 600;
}
.columns-instruction { margin: 3px 0 10px; color: #91a4bb; font-size: 10px; line-height: 1.4; }
.columns-list {
  min-height: 0;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 5px;
  overflow: auto;
  padding: 0 3px 0 0;
  scrollbar-width: thin;
  scrollbar-color: #536a84 transparent;
}
.column-item {
  width: 100%;
  min-height: 50px;
  display: grid;
  grid-template-columns: 33px minmax(0, 1fr) 27px;
  align-items: center;
  gap: 10px;
  padding: 7px 8px;
  border: 1px solid #34516f;
  border-radius: 8px;
  color: #dfe7f1;
  background: #102844;
  text-align: left;
  transition: border-color .14s ease, background .14s ease, box-shadow .14s ease, transform .14s ease;
}
.column-item:hover {
  border-color: #4d6f93;
  background: #153151;
  transform: translateY(-1px);
}
.column-item.selected {
  border-color: #1c7df8;
  background: #12365f;
  box-shadow: 0 0 0 2px rgba(28, 125, 248, .11);
}
.column-type {
  width: 33px;
  height: 33px;
  display: grid;
  place-items: center;
  border-radius: 6px;
  color: #72a9df;
  background: #1a395a;
  font-size: 10px;
  font-weight: 600;
}
.column-copy { min-width: 0; }
.column-name { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #f3f6fa; font-size: 11px; line-height: 1.2; font-weight: 500; }
.column-sample { display: block; margin-top: 3px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: #9fb0c4; font-size: 10px; line-height: 1.15; }
.link-status {
  position: relative;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  border: 1.5px solid #4f6a86;
  border-radius: 50%;
  color: #7e96af;
  background: transparent;
}
.link-status svg { width: 13px; height: 13px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.link-status.linked { color: #75e399; border-color: #5bd681; background: rgba(38, 135, 73, .08); }
.link-status[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  right: 0;
  bottom: calc(100% + 8px);
  z-index: 20;
  opacity: 0;
  pointer-events: none;
  transform: translateY(3px);
  padding: 5px 7px;
  border: 1px solid #344a61;
  border-radius: 5px;
  color: #fff;
  background: #07182c;
  font-size: 8px;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 5px 13px rgba(0,0,0,.25);
  transition: opacity .12s ease, transform .12s ease;
}
.link-status[data-tooltip]:hover::after { opacity: 1; transform: translateY(0); }
.calculated-column-button {
  height: 36px;
  flex: 0 0 36px;
  margin-top: 10px;
  border: 1px solid #187cff;
  border-radius: 7px;
  color: #8fc1ff;
  background: transparent;
  font-size: 10.5px;
  font-weight: 500;
  transition: color .14s ease, background .14s ease, border-color .14s ease;
}
.calculated-column-button span { margin-right: 7px; font-size: 15px; }
.calculated-column-button:hover { color: #fff; background: rgba(13,110,253,.11); border-color: #4a9aff; }
.columns-footer { display: none; }
.legend-dot { width: 6px; height: 6px; border-radius: 50%; }
.legend-dot.linked { background: var(--green); }
.legend-dot.open { background: #8090a4; }

.field-link-overlays { position: absolute; inset: 0; z-index: 12; pointer-events: none; overflow: visible; }
.field-link-indicator {
  position: absolute;
  width: 21px;
  height: 21px;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  border: 1px solid #c1ead1;
  border-radius: 50%;
  color: #33895b;
  background: #e9f7ef;
  box-shadow: 0 2px 5px rgba(17, 74, 46, .10);
}
.field-link-indicator svg { width: 12px; height: 12px; fill: none; stroke: currentColor; stroke-width: 2.1; stroke-linecap: round; stroke-linejoin: round; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  max-width: min(440px, calc(100vw - 32px));
  transform: translate(-50%, 12px);
  opacity: 0;
  pointer-events: none;
  padding: 10px 13px;
  border: 1px solid #314b66;
  border-radius: 7px;
  color: #fff;
  background: #0a223d;
  box-shadow: 0 12px 28px rgba(0,0,0,.28);
  font-size: 10px;
  font-weight: 600;
  transition: opacity .18s ease, transform .18s ease;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1500px) {
  .landing-shell { width: min(1420px, calc(100% - 48px)); }
  .workspace { grid-template-columns: 165px 245px minmax(560px, 1fr) 345px; }
  .hero-copy { grid-template-columns: minmax(0, 1fr) 560px; gap: 24px; padding-right: 0; }
  .hero-steps { width: 560px; padding-inline: 15px; }
  .landing-nav a + a::before { margin-inline: 11px; }
}

@media (max-width: 1280px) {
  .topbar { grid-template-columns: 190px minmax(0, 1fr) auto; padding-inline: 24px; }
  .landing-nav a { font-size: 11px; }
  .landing-nav a + a::before { margin-inline: 7px; }
  .top-actions { gap: 12px; }
  .landing-shell { width: min(1200px, calc(100% - 28px)); }
  .hero-copy { grid-template-columns: minmax(0, 1fr) 470px; padding-right: 0; }
  .hero-copy h1 { font-size: 28px; }
  .hero-subtitle { white-space: normal; }
  .hero-steps { width: 470px; grid-template-columns: 1fr 18px 1fr 18px 1fr; padding-inline: 12px; }
  .step-number { width: 31px; height: 31px; flex-basis: 31px; font-size: 13px; }
  .step-copy strong { font-size: 11px; }
  .step-copy small { font-size: 10px; }
  .workspace { grid-template-columns: 150px 225px minmax(480px, 1fr) 320px; }
  .canvas-stage { padding-inline: 34px; }
}

@media (max-width: 1080px) {
  .topbar { grid-template-columns: 1fr auto; padding-inline: 18px; }
  .landing-nav { display: none; }
  .hero-copy { grid-template-columns: 1fr; gap: 18px; padding-right: 0; }
  .hero-copy h1 { white-space: normal; }
  .hero-steps { width: 100%; max-width: 650px; margin-left: 0; }
  .workspace { height: auto; min-height: 760px; grid-template-columns: 145px 210px minmax(420px, 1fr); }
  .data-panel { grid-column: 1 / -1; min-height: 480px; display: grid; grid-template-columns: 330px minmax(0,1fr); border-left: 0; border-top: 1px solid #25415d; }
  .data-section { border-bottom: 0; border-right: 1px solid #1e3a58; }
  .columns-card { min-height: 430px; }
}

@media (max-width: 760px) {
  .topbar { height: 62px; padding-inline: 14px; }
  .brand { font-size: 20px; }
  .brand img { width: 29px; height: 29px; }
  .help-button, .top-link { display: none; }
  .top-button { min-width: 112px; height: 37px; padding-inline: 13px; }
  .landing-shell { width: calc(100% - 18px); padding-top: 22px; }
  .hero-copy { margin-inline: 2px; }
  .hero-copy h1 { font-size: 30px; }
  .hero-subtitle { white-space: normal; }
  .hero-steps { height: auto; min-height: 80px; grid-template-columns: 1fr; gap: 11px; padding: 14px; }
  .step-chevron { display: none; }
  .workspace { display: flex; flex-direction: column; border-radius: 10px; }
  .document-sidebar { min-height: auto; border-right: 0; border-bottom: 1px solid #25415d; overflow-x: auto; }
  .sidebar-heading, .sidebar-help { display: none; }
  .document-types { flex-direction: row; min-width: max-content; }
  .document-type { width: auto; min-width: 128px; height: 44px; }
  .template-sidebar { border-right: 0; border-bottom: 1px solid #25415d; }
  .template-card { max-width: 340px; }
  .preview-panel { min-height: 650px; }
  .preview-toolbar { padding-inline: 12px; }
  .preview-help { display: none; }
  .canvas-stage { padding-inline: 14px; }
  .data-panel { display: flex; flex-direction: column; min-height: 560px; }
  .data-section { border-right: 0; border-bottom: 1px solid #1e3a58; }
}