:root {
  --bg: #f7f3ec;
  --panel: rgba(255,255,255,.92);
  --ink: #223033;
  --muted: #617276;
  --line: #e6ded2;
  --accent: #78b29e;
  --accent-dark: #4e8876;
  --accent-soft: #e8f3ef;
  --dark: #243033;
  --shadow: 0 24px 60px rgba(55,42,27,.13);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 10% 0%, #fff0d7 0, transparent 32%),
    radial-gradient(circle at 92% 8%, #e8f4ee 0, transparent 28%),
    var(--bg);
}

h1, h2, h3, p { margin-top: 0; }
button { font: inherit; }

.site-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 22px;
  padding: 34px clamp(18px,5vw,64px) 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.site-header h1 {
  margin: 0 0 10px;
  font-size: clamp(34px, 5vw, 62px);
  line-height: .98;
  letter-spacing: -0.065em;
}


.subtitle {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
  font-weight: 580;
  font-size: 17px;
}

.primary-btn,
.secondary-btn {
  border-radius: 16px;
  border: 1px solid var(--line);
  cursor: pointer;
  font-weight: 900;
  transition: .18s ease;
}

.primary-btn:hover,
.secondary-btn:hover { transform: translateY(-1px); }

.primary-btn {
  padding: 15px 20px;
  background: var(--dark);
  color: #fff;
  box-shadow: 0 16px 30px rgba(36,48,51,.23);
  white-space: nowrap;
}

.secondary-btn {
  padding: 12px 15px;
  background: rgba(255,255,255,.86);
  color: var(--ink);
}

.full { width: 100%; }

.app-shell {
  display: grid;
  grid-template-columns: minmax(320px, 430px) 1fr;
  gap: 24px;
  padding: 20px clamp(18px,5vw,64px) 60px;
  align-items: start;
}

.control-panel {
  position: sticky;
  top: 16px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
  display: grid;
  gap: 16px;
  padding-right: 8px;
  scrollbar-width: thin;
}

.panel-card,
.preview-area,
.sheet-preview-card,
.notes-card {
  background: var(--panel);
  border: 1px solid rgba(230,222,210,.92);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.panel-card { padding: 22px; }

.panel-card h2 {
  margin: 0 0 14px;
  font-size: 18px;
  letter-spacing: -.02em;
}

label {
  display: grid;
  gap: 8px;
  margin: 14px 0;
  color: #405054;
  font-size: 13px;
  font-weight: 850;
}

input, select {
  width: 100%;
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 14px;
  padding: 12px 13px;
  color: var(--ink);
  font: inherit;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.toggle-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.toggle-row input {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.button-row {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.template-search-wrap {
  margin-bottom: 12px;
}

.category-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
}

.category-tab {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  padding: 9px 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.category-tab.active {
  background: var(--dark);
  color: #fff;
}

.template-gallery {
  display: grid;
  gap: 10px;
}

.template-card {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at top right, var(--accent-soft) 0 48px, transparent 50px),
    #fff;
  border-radius: 20px;
  padding: 15px;
  color: var(--ink);
  cursor: pointer;
  box-shadow: 0 8px 22px rgba(48,39,28,.07);
}

.template-card.active {
  border: 2px solid var(--accent);
}

.template-card strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
}

.template-card span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  font-weight: 700;
}

.template-card em {
  display: inline-block;
  margin-top: 9px;
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 10px;
  font-style: normal;
  font-weight: 900;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.info-list {
  display: grid;
  gap: 10px;
  font-size: 13px;
}

.info-row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  color: var(--muted);
  font-weight: 750;
}

.info-row strong {
  color: var(--ink);
  text-align: right;
}

.preview-area {
  padding: 24px;
  min-height: 760px;
  overflow: auto;
}

.preview-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 18px;
  margin-bottom: 18px;
}

.preview-toolbar h2 {
  margin: 0;
  font-size: 26px;
  letter-spacing: -.035em;
}

.toolbar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.sheet-preview-card {
  overflow: hidden;
  background: #fff;
}

.sheet-meta {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at right top, var(--accent-soft) 0 80px, transparent 82px),
    #fff;
}

.sheet-meta span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
}

.sheet-meta strong {
  display: block;
  margin-top: 4px;
  font-size: 22px;
  letter-spacing: -.035em;
}

.table-scroll {
  overflow: auto;
  max-height: 620px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 780px;
  font-size: 13px;
}

th, td {
  border: 1px solid #e3e8e4;
  padding: 10px 11px;
  text-align: left;
  vertical-align: top;
  white-space: nowrap;
}

th {
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 11px;
  letter-spacing: .06em;
  text-transform: uppercase;
  font-weight: 900;
}

td {
  color: #425054;
}

td.formula {
  color: var(--accent-dark);
  font-weight: 850;
}

.notes-card {
  margin-top: 18px;
  padding: 20px;
}

.notes-card h3 {
  margin: 0 0 8px;
}

.notes-card p {
  margin-bottom: 0;
  color: var(--muted);
  line-height: 1.6;
  font-weight: 620;
}

.theme-sky {
  --accent: #6f91c9;
  --accent-dark: #5174b0;
  --accent-soft: #e8effc;
}

.theme-blush {
  --accent: #c9879b;
  --accent-dark: #a65d73;
  --accent-soft: #fae9ef;
}

.theme-ink {
  --accent: #59666d;
  --accent-dark: #29343a;
  --accent-soft: #eef1f2;
}

@media (max-width: 1100px) {
  .app-shell { grid-template-columns: 1fr; }
  .control-panel { position: static; max-height: none; overflow: visible; padding-right: 0; }
}

@media (max-width: 700px) {
  .site-header { flex-direction: column; }
  .grid-2 { grid-template-columns: 1fr; }
  .preview-toolbar { align-items: flex-start; flex-direction: column; }
}


/* v3 polish */
.template-card {
  position: relative;
  overflow: hidden;
  min-height: 118px;
}

.template-card strong {
  max-width: calc(100% - 64px);
}

.template-card::after {
  content: "xlsx";
  position: absolute;
  right: 12px;
  top: 12px;
  padding: 5px 8px;
  border-radius: 999px;
  background: rgba(120,178,158,.14);
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.category-tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.category-tab::after {
  content: attr(data-count);
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: rgba(120,178,158,.16);
  color: var(--accent-dark);
  font-size: 10px;
  font-weight: 900;
}

.category-tab.active::after {
  background: rgba(255,255,255,.18);
  color: #fff;
}

.sheet-preview-card {
  border-color: rgba(120,178,158,.28);
}

.sheet-meta {
  position: sticky;
  top: 0;
  z-index: 2;
}

th {
  position: sticky;
  top: 0;
  z-index: 1;
}

td.formula::before {
  content: "ƒ ";
  color: var(--accent-dark);
  font-weight: 900;
}

.notes-card {
  background:
    radial-gradient(circle at top right, var(--accent-soft) 0 70px, transparent 72px),
    rgba(255,255,255,.92);
}


/* v5 formatted preview values */
td.currency-cell,
td.percent-cell,
td.date-cell {
  font-variant-numeric: tabular-nums;
}

td.currency-cell,
td.percent-cell {
  text-align: right;
}

td.date-cell {
  color: #314246;
}

td.formula-cell {
  color: var(--ink);
  font-weight: 700;
  background: linear-gradient(180deg, rgba(120,178,158,.06), rgba(120,178,158,.02));
}

/* Formula cells now show their calculated preview value, so no formula symbol prefix. */
td.formula-cell::before,
td.formula::before {
  content: none !important;
}

/* v8 polished builder sidebar */
.site-header {
  align-items: center;
}

.control-panel {
  gap: 14px;
  padding-right: 10px;
}

.builder-summary-card {
  background:
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(255,255,255,.86)),
    radial-gradient(circle at top right, var(--accent-soft), transparent 64%);
  border: 1px solid rgba(230,222,210,.96);
  border-radius: 26px;
  box-shadow: 0 18px 44px rgba(55,42,27,.11);
}

.builder-summary-card {
  padding: 18px 20px;
}

.builder-summary-card h2 {
  margin: 8px 0 5px;
  font-size: 23px;
  line-height: 1.08;
  letter-spacing: -.045em;
}

.builder-summary-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 750;
}

.step-pill {
  display: inline-flex;
  width: fit-content;
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--dark);
  color: #fff;
  font-size: 10px;
  font-weight: 900;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.compact-card {
  padding: 18px;
  border-radius: 26px;
  box-shadow: 0 14px 38px rgba(55,42,27,.09);
}

.panel-heading {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.panel-heading h2 {
  margin: 0 0 3px;
  font-size: 17px;
  letter-spacing: -.025em;
}

.panel-heading p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.45;
  font-weight: 680;
}

.step-number {
  flex: 0 0 auto;
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 11px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 950;
}

.template-search-wrap {
  position: relative;
  margin-bottom: 10px;
}

.template-search-wrap::before {
  content: "⌕";
  position: absolute;
  left: 13px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent-dark);
  font-weight: 900;
  pointer-events: none;
}

#templateSearch {
  padding-left: 36px;
  border-radius: 16px;
  background: rgba(255,255,255,.96);
}

input:focus,
select:focus,
button:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(120,178,158,.24);
  outline-offset: 2px;
  border-color: var(--accent);
}

.popular-strip {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin: 0 0 12px;
  padding: 10px;
  border: 1px solid rgba(230,222,210,.82);
  border-radius: 18px;
  background: rgba(255,255,255,.62);
}

.popular-strip span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: .08em;
  margin-right: 2px;
}

.quick-template {
  border: 1px solid rgba(120,178,158,.22);
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  cursor: pointer;
  padding: 7px 9px;
  font-size: 11px;
  font-weight: 900;
}

.category-tabs {
  flex-wrap: nowrap;
  overflow-x: auto;
  padding-bottom: 3px;
  margin-bottom: 9px;
  scrollbar-width: none;
}

.category-tabs::-webkit-scrollbar { display: none; }

.category-tab {
  flex: 0 0 auto;
  padding: 8px 10px;
  box-shadow: 0 6px 15px rgba(48,39,28,.045);
}

.template-count-label {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 850;
}

.template-gallery {
  max-height: 410px;
  overflow: auto;
  padding-right: 4px;
  gap: 8px;
  scrollbar-width: thin;
}

.template-card {
  min-height: 0;
  padding: 12px 13px;
  border-radius: 18px;
  box-shadow: 0 8px 18px rgba(48,39,28,.055);
  transition: border-color .18s ease, box-shadow .18s ease, transform .18s ease, background .18s ease;
}

.template-card:hover {
  transform: translateY(-1px);
  border-color: rgba(120,178,158,.56);
  box-shadow: 0 12px 24px rgba(48,39,28,.08);
}

.template-card.active {
  border: 1px solid rgba(120,178,158,.76);
  background:
    linear-gradient(135deg, rgba(232,243,239,.92), rgba(255,255,255,.98)),
    #fff;
  box-shadow: 0 12px 28px rgba(78,136,118,.15);
}

.template-card strong {
  margin-bottom: 4px;
  max-width: calc(100% - 58px);
  font-size: 14px;
  line-height: 1.24;
}

.template-card span {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 11.5px;
  line-height: 1.38;
}

.template-card em {
  margin-top: 8px;
  padding: 4px 7px;
  font-size: 9.5px;
}

.template-card::after {
  top: 10px;
  right: 10px;
  padding: 4px 7px;
}

label {
  margin: 11px 0;
  gap: 7px;
  font-size: 12px;
}

input,
select {
  padding: 11px 12px;
  border-radius: 13px;
}

.advanced-options {
  margin-top: 12px;
  border: 1px solid rgba(230,222,210,.86);
  border-radius: 18px;
  background: rgba(255,255,255,.58);
  overflow: hidden;
}

.advanced-options summary {
  cursor: pointer;
  padding: 12px 13px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
  list-style: none;
}

.advanced-options summary::-webkit-details-marker { display: none; }

.advanced-options summary::after {
  content: "+";
  float: right;
  color: var(--accent-dark);
  font-weight: 950;
}

.advanced-options[open] summary {
  border-bottom: 1px solid rgba(230,222,210,.86);
}

.advanced-options[open] summary::after {
  content: "–";
}

.advanced-options label {
  margin: 12px 13px;
}

label small {
  color: var(--muted);
  font-size: 11px;
  line-height: 1.4;
  font-weight: 650;
}

.toggle-row {
  display: flex !important;
  align-items: center;
  justify-content: flex-start;
  color: var(--ink);
}

.action-buttons {
  grid-template-columns: 1fr 1fr;
}

.action-buttons .primary-btn {
  grid-column: 1 / -1;
  padding: 13px 16px;
  justify-content: center;
}

.info-card .info-list {
  gap: 7px;
}

.info-row {
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px dashed rgba(230,222,210,.95);
  font-size: 12px;
}

.info-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

@media (max-width: 1100px) {
  .template-gallery { max-height: none; }
}

@media (max-width: 700px) {
  .action-buttons { grid-template-columns: 1fr; }
  .builder-summary-card { padding: 16px; }
  .compact-card { padding: 16px; }
}


/* v10 sidebar stability + cleaner export layout */
html, body {
  max-width: 100%;
  overflow-x: hidden;
}

.app-shell {
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 20px;
  padding-inline: clamp(16px, 3vw, 42px);
}

.control-panel,
.preview-area,
.panel-card,
.builder-summary-card,
.sheet-preview-card,
.notes-card {
  min-width: 0;
}

.control-panel {
  padding-right: 6px;
  overflow-x: hidden;
}

.site-header {
  padding-inline: clamp(16px, 3vw, 42px);
}

.preview-area {
  overflow: hidden;
}

.table-scroll {
  width: 100%;
  overflow: auto;
}

.action-buttons {
  grid-template-columns: 1fr 1fr;
}

.action-buttons .primary-btn {
  display: none;
}

.info-row {
  display: grid;
  grid-template-columns: minmax(82px, .85fr) minmax(0, 1fr);
  align-items: start;
  gap: 12px;
}

.info-row strong {
  min-width: 0;
  text-align: right;
  overflow-wrap: anywhere;
  color: var(--ink);
}

.info-row span {
  min-width: 0;
}

#downloadBtn {
  min-width: max-content;
}

@media (max-width: 1250px) {
  .app-shell {
    grid-template-columns: minmax(280px, 350px) minmax(0, 1fr);
    gap: 18px;
  }

  .compact-card {
    padding: 16px;
  }

  .grid-2 {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .site-header h1 {
    font-size: clamp(38px, 6vw, 64px);
  }
}

@media (max-width: 1100px) {
  .app-shell {
    grid-template-columns: minmax(0, 1fr);
  }

  .preview-area {
    overflow: auto;
  }
}

@media (max-width: 700px) {
  .action-buttons {
    grid-template-columns: 1fr;
  }

  #downloadBtn {
    width: 100%;
  }
}


/* v11 collapsible left-panel sections */
.collapsible-panel {
  padding: 0;
  overflow: hidden;
}

.collapsible-panel[open] {
  padding-bottom: 0;
}

.panel-summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  cursor: pointer;
  user-select: none;
}

.panel-summary::-webkit-details-marker {
  display: none;
}

.panel-summary:hover {
  background: rgba(120,178,158,.06);
}

.panel-content {
  padding: 0 22px 22px;
}

.collapse-icon {
  flex: 0 0 auto;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  display: inline-grid;
  place-items: center;
  box-shadow: 0 8px 18px rgba(48,39,28,.06);
}

.collapse-icon::before {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--accent-dark);
  border-bottom: 2px solid var(--accent-dark);
  transform: rotate(45deg);
  margin-top: -2px;
  transition: transform .18s ease, margin .18s ease;
}

.collapsible-panel[open] .collapse-icon::before {
  transform: rotate(-135deg);
  margin-top: 3px;
}

.collapsible-panel:not([open]) .panel-summary {
  padding-bottom: 18px;
}

.collapsible-panel:not([open]) {
  box-shadow: 0 14px 30px rgba(55,42,27,.08);
}

.collapsible-panel .panel-heading h2 {
  margin-bottom: 4px;
}

.collapsible-panel .panel-heading p {
  margin: 0;
}

@media (max-width: 700px) {
  .panel-summary {
    padding: 18px;
  }

  .panel-content {
    padding: 0 18px 18px;
  }
}


/* v12 template-specific info cleanup */
.info-row strong {
  max-width: 62%;
  line-height: 1.35;
}


/* v13 main landing page link */
.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  flex: 0 0 auto;
}

.home-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,.82);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  font-weight: 900;
  white-space: nowrap;
  box-shadow: 0 10px 24px rgba(48,39,28,.07);
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.home-link:hover {
  transform: translateY(-1px);
  background: #fff;
  border-color: rgba(120,178,158,.48);
}

@media (max-width: 700px) {
  .header-actions {
    width: 100%;
    justify-content: stretch;
    display: grid;
    grid-template-columns: 1fr;
  }

  .home-link,
  .header-actions .primary-btn {
    width: 100%;
  }
}