* { box-sizing: border-box; }
html { scroll-behavior: auto; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--stage);
  color: var(--text);
  font-family: "Inter", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  transition: background 0.2s ease, color 0.2s ease;
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
a { color: inherit; }
::selection { background: var(--accent-soft); }
:focus-visible { outline: none; box-shadow: var(--focus-ring); }
[hidden] { display: none !important; }

.app {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0 48px;
}

.app-header {
  position: relative;
  z-index: 30;
  display: grid;
  grid-template-columns: auto minmax(260px, 1fr) auto;
  align-items: center;
  gap: 18px;
  min-height: 64px;
  margin-bottom: 6px;
  padding: 10px 0;
  background-color: transparent;
  border-bottom: 1px solid var(--panel-line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  text-decoration: none;
  font-family: "Chakra Petch", sans-serif;
  font-size: 18px;
  font-weight: 700;
  white-space: nowrap;
}
.brand-bolt { color: var(--accent); font-size: 21px; }
.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn, .text-btn {
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-sm);
  background: var(--panel);
  color: var(--text-muted);
  font-weight: 600;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
}
.icon-btn { min-height: 34px; padding: 0 12px; }
.text-btn { min-height: 32px; padding: 0 10px; font-size: 12.5px; }
.icon-btn:hover, .text-btn:hover { border-color: var(--accent); color: var(--accent); }

.theme-toggle {
  width: 52px;
  height: 30px;
  padding: 3px;
  border: 1px solid var(--panel-line);
  border-radius: 999px;
  background: var(--panel);
}
.theme-knob {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent);
  font-size: 11px;
  transform: translateX(0);
  transition: transform 0.22s ease;
}
html[data-theme="light"] .theme-knob { transform: translateX(22px); }

.empty-state {
  display: grid;
  justify-items: center;
  gap: 10px;
  min-height: 420px;
  padding: 94px 24px;
  text-align: center;
}
.empty-state-icon {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border: 1px solid var(--panel-line);
  border-radius: 18px;
  background: var(--panel);
  color: var(--accent);
  font-size: 30px;
  box-shadow: var(--shadow-lift);
}
.empty-state h1 {
  max-width: 680px;
  margin: 8px 0 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: clamp(25px, 4vw, 38px);
  line-height: 1.12;
}
.empty-state p { max-width: 620px; margin: 0; color: var(--text-muted); font-size: 15px; }
.shortcut-hint { margin-top: 10px; color: var(--text-faint); font-size: 12px; }
kbd {
  display: inline-grid;
  min-width: 22px;
  min-height: 22px;
  place-items: center;
  padding: 1px 5px;
  border: 1px solid var(--panel-line-strong);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--panel-raised);
  color: var(--text);
  font: 600 11px "JetBrains Mono", monospace;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  align-items: start;
  gap: 14px;
}
.workspace-main {
  display: grid;
  min-width: 0;
  gap: 14px;
}
.workspace-section {
  background: var(--panel);
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-lift);
}
.section-heading-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.compact-heading { margin-bottom: 12px; }
.section-heading-row h2 {
  margin: 0;
  font-family: "Chakra Petch", sans-serif;
  font-size: 17px;
}
.eyebrow {
  margin: 0 0 2px;
  color: var(--accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.toolbar-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 7px; }
.preset-select-wrap { display: flex; align-items: center; gap: 7px; color: var(--text-faint); font-size: 12px; }
.preset-select-wrap select {
  min-height: 32px;
  max-width: 150px;
  border: 1px solid var(--panel-line);
  border-radius: var(--radius-sm);
  background: var(--panel-raised);
  padding: 0 28px 0 9px;
}

.site-footer {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 28px;
  padding: 18px 0;
  color: var(--text-faint);
  font-size: 11px;
}


.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }

@media (max-width: 980px) {
  .workspace { grid-template-columns: minmax(0, 1fr); }
}

@media (max-width: 900px) {
  .app-header { grid-template-columns: 1fr auto; }
  .header-search-wrap { grid-column: 1 / -1; grid-row: 2; }
  .header-actions { grid-column: 2; grid-row: 1; }
}

@media (max-width: 680px) {
  .app { width: min(100% - 20px, 1180px); padding-top: 6px; }
  .app-header { gap: 8px; }
  .brand { font-size: 16px; }
  .header-actions .icon-btn { padding: 0 9px; }
  .workspace-section { padding: 12px; border-radius: 12px; }
  .section-heading-row, .builder-toolbar { align-items: flex-start; flex-direction: column; }
  .toolbar-actions { justify-content: flex-start; }
  .site-footer { flex-wrap: wrap; }
}

/* Keep compact workspace content inside narrow viewports. */
.workspace,
.workspace-main,
.table-strip,
.workspace-section { min-width: 0; }
.table-strip,
.workspace-section { width: 100%; }
@media (max-width: 680px) {
  .table-badges { width: 100%; min-width: 0; justify-content: flex-start; }
}