/* ═══════════════════════════════════════════════════════════════════════
   08 — Premium UI layer (2026 refresh)
   Loaded LAST on every page. Purely visual: no markup / ID / JS changes.
   Everything is built from theme tokens (00-theme-variables.css) so all 8
   themes inherit the new look automatically. Prefix for keyframes: ub-.
   ═══════════════════════════════════════════════════════════════════════ */

:root {
  --ub-radius: 20px;
  --ub-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ub-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ub-accent: var(--primary-gradient-end);
  --ub-hairline: color-mix(in srgb, var(--text) 9%, transparent);
  --ub-glass: color-mix(in srgb, var(--card) 72%, transparent);
  --ub-glass-strong: color-mix(in srgb, var(--card) 86%, transparent);
  --ub-elev-1: 0 1px 2px color-mix(in srgb, var(--text) 5%, transparent), 0 6px 20px color-mix(in srgb, var(--text) 6%, transparent);
  --ub-elev-2: 0 2px 6px color-mix(in srgb, var(--text) 6%, transparent), 0 24px 48px color-mix(in srgb, var(--primary) 16%, transparent);
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: color-mix(in srgb, var(--primary) 22%, transparent);
  color: var(--text);
}

/* Hidden (but still laid out) while the tool panel is being placed — see the
   early inline script on each page; prevents the article/footer jumping down. */
html.ub-loading :is(.tool-seo-section, .site-footer) {
  visibility: hidden;
}

/* ── Ambient background: slow aurora + fine dot grid ─────────────────── */
.background-shape {
  background:
    radial-gradient(60rem 40rem at 10% -10%, var(--shape-a), transparent 60%),
    radial-gradient(50rem 36rem at 100% 0%, var(--shape-b), transparent 60%),
    radial-gradient(56rem 40rem at 60% 110%, var(--shape-c), transparent 60%);
}

.background-shape::before {
  /* dot grid, faded toward the bottom */
  width: auto;
  height: auto;
  inset: 0;
  left: 0;
  top: 0;
  border-radius: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--text) 13%, transparent) 1px, transparent 1.2px);
  background-size: 22px 22px;
  -webkit-mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 45%, transparent 85%);
  mask-image: linear-gradient(180deg, #000 0%, rgba(0, 0, 0, 0.35) 45%, transparent 85%);
  opacity: 0.55;
  animation: none;
}

.background-shape::after {
  /* one large drifting aurora glow. Soft edges come from closest-side radial
     gradients — NOT filter: blur(), which re-rasterised a 48rem layer and
     dropped mobile scrolling from 60 to ~18 fps. */
  width: 56rem;
  height: 56rem;
  right: -18rem;
  top: -20rem;
  background:
    radial-gradient(closest-side at 42% 42%, color-mix(in srgb, var(--primary) 22%, transparent), transparent),
    radial-gradient(closest-side at 62% 58%, color-mix(in srgb, var(--ub-accent) 20%, transparent), transparent),
    radial-gradient(closest-side at 50% 70%, color-mix(in srgb, var(--shape-b) 100%, transparent), transparent);
  filter: none;
  opacity: 0.85;
  animation: ub-aurora 26s ease-in-out infinite alternate;
}

@keyframes ub-aurora {
  0%   { transform: translate3d(0, 0, 0) rotate(0deg) scale(1); }
  50%  { transform: translate3d(-12rem, 8rem, 0) rotate(60deg) scale(1.12); }
  100% { transform: translate3d(-4rem, 18rem, 0) rotate(120deg) scale(0.94); }
}

/* ── Sidebar: glass rail with soft pill items ────────────────────────── */
.side-nav {
  background: var(--ub-glass);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-right: 1px solid var(--ub-hairline);
  gap: 4px;
  padding: 16px 12px;
}

.side-nav:hover {
  background: var(--ub-glass-strong);
  box-shadow: 24px 0 60px color-mix(in srgb, var(--text) 10%, transparent);
}

.side-brand-mark,
.brand-mark {
  border-radius: 14px;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--primary) 34%, transparent);
}

.nav-btn {
  height: 42px;
  border: 1px solid transparent;
  border-radius: 12px;
  background: transparent;
  color: var(--text);
  font-weight: 600;
  transition: background 0.25s var(--ub-ease), color 0.25s var(--ub-ease), box-shadow 0.25s var(--ub-ease), transform 0.25s var(--ub-ease);
}

.nav-btn::before {
  left: 2px;
  width: 3px;
}

.nav-btn:hover {
  background: color-mix(in srgb, var(--primary) 9%, transparent);
  color: var(--text);
  border-color: transparent;
  box-shadow: none;
  transform: translateX(2px);
}

.nav-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  color: var(--on-primary);
  border-color: transparent;
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 38%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.25);
  transform: none;
}

.nav-btn:hover .nav-icon {
  transform: scale(1.12);
}

.nav-icon {
  transition: transform 0.3s var(--ub-spring);
}

.nav-text {
  font-weight: 600;
  font-size: 0.94rem;
}

/* ── Top bar: floating glass ─────────────────────────────────────────── */
.top-bar {
  background: var(--ub-glass);
  backdrop-filter: blur(18px) saturate(1.5);
  -webkit-backdrop-filter: blur(18px) saturate(1.5);
  border: 1px solid var(--ub-hairline);
  border-radius: 18px;
  box-shadow: var(--ub-elev-1), inset 0 1px 0 color-mix(in srgb, #ffffff 40%, transparent);
}

.top-bar::before {
  animation: none;
  opacity: 0;
}

.brand h1 {
  letter-spacing: -0.02em;
}

.top-actions .ghost,
.top-actions select,
.workspace-head .ghost {
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--ub-glass-strong);
  transition: background 0.2s var(--ub-ease), border-color 0.2s var(--ub-ease), transform 0.2s var(--ub-ease), box-shadow 0.2s var(--ub-ease);
}

.top-actions .ghost:hover,
.workspace-head .ghost:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  background: color-mix(in srgb, var(--primary) 8%, var(--card));
  transform: translateY(-1px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 14%, transparent);
}

/* ── Hero: open layout (no box), big headline, search front and centre ─ */
.hero {
  border: 0;
  border-radius: 0;
  padding: clamp(32px, 5vw, 72px) 16px clamp(20px, 3vw, 32px);
  background: none;
  box-shadow: none;
  overflow: visible;
  animation: none;
}

.hero::before {
  /* soft spotlight glow behind the headline */
  inset: -10% 10% auto;
  height: 120%;
  background:
    radial-gradient(closest-side, color-mix(in srgb, var(--primary) 16%, transparent), transparent),
    radial-gradient(closest-side at 70% 40%, color-mix(in srgb, var(--ub-accent) 12%, transparent), transparent);
  filter: none; /* closest-side gradients are already soft; a blur filter here only costs paint time */
  transform: none;
  animation: ub-breathe 9s ease-in-out infinite;
}

.hero::after {
  display: none;
}

.hero-kicker {
  border: 1px solid color-mix(in srgb, var(--primary) 20%, var(--ub-hairline));
  background: var(--ub-glass-strong);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.84rem;
  font-weight: 600;
  padding: 6px 14px 6px 10px;
  margin-bottom: 22px;
  animation: ub-rise 0.7s var(--ub-ease) both;
}

.hero-kicker::before {
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
  animation: ub-pulse-green 2.2s ease-out infinite;
}

.hero h2 {
  margin: 0 auto;
  max-width: 22ch;
  text-wrap: balance;
  font-size: clamp(2.3rem, 5.6vw, 4.6rem);
  font-weight: 800;
  line-height: 1.02;
  /* background-clip:text only paints inside the box — extra bottom padding keeps
     descenders (y, g, p) from being clipped at this tight line-height */
  padding-bottom: 0.14em;
  margin-bottom: -0.14em;
  letter-spacing: -0.045em;
  background: linear-gradient(100deg,
    var(--text) 0%,
    var(--text) 38%,
    var(--primary) 52%,
    var(--ub-accent) 62%,
    var(--text) 78%);
  background-size: 240% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  /* LCP element: painted at full opacity immediately (an opacity fade-in delays LCP) */
  animation: ub-shimmer 10s ease-in-out 1.2s infinite;
}

.hero p:not(.hero-kicker):not(.hero-popular) {
  margin: 20px auto 0;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  line-height: 1.6;
  max-width: 600px;
  color: var(--muted);
  animation: ub-rise 0.8s var(--ub-ease) 0.16s both;
}

/* ── Search (inside hero) ────────────────────────────────────────────── */
.hero .dashboard-search {
  max-width: 680px;
  margin: 34px auto 0;
  animation: ub-rise 0.8s var(--ub-ease) 0.24s both;
}

#dashboardSearchInput {
  height: 62px;
  padding: 0 58px 0 54px;
  border-radius: 999px;
  font-size: 1.02rem;
  border: 1px solid var(--ub-hairline);
  background: var(--card);
  box-shadow: 0 1px 2px color-mix(in srgb, var(--text) 6%, transparent), 0 12px 40px color-mix(in srgb, var(--primary) 14%, transparent);
  transition: border-color 0.25s var(--ub-ease), box-shadow 0.25s var(--ub-ease);
}

#dashboardSearchInput:focus {
  transform: none;
  border-color: color-mix(in srgb, var(--primary) 55%, transparent);
  box-shadow: 0 0 0 5px var(--focus), 0 16px 48px color-mix(in srgb, var(--primary) 22%, transparent);
  outline: none;
}

#dashboardSearchInput::-webkit-search-cancel-button {
  margin-right: 30px;
}

.search-shell-icon {
  left: 22px;
  z-index: 2;
  color: var(--primary);
  border-color: currentColor;
}

.search-kbd {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  min-width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  border: 1px solid var(--ub-hairline);
  background: var(--chip);
  color: var(--muted);
  font: 600 0.8rem/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  box-shadow: inset 0 -1px 0 var(--ub-hairline);
  pointer-events: none;
  transition: opacity 0.2s var(--ub-ease);
}

.search-shell:focus-within .search-kbd {
  opacity: 0;
}

.search-shell::before {
  inset: -3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--primary), var(--ub-accent), var(--primary));
  background-size: 200% 100%;
  filter: blur(12px);
  animation: ub-shimmer 4s linear infinite;
}

.search-shell:focus-within::before {
  opacity: 0.4;
}

/* ── Stats row ───────────────────────────────────────────────────────── */
.hero-stats {
  list-style: none;
  margin: 30px auto 0;
  padding: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 0;
  animation: ub-rise 0.8s var(--ub-ease) 0.32s both;
}

.hero-stats li {
  display: flex;
  align-items: baseline;
  gap: 6px;
  padding: 0 22px;
  color: var(--muted);
  font-size: 0.92rem;
}

.hero-stats li + li {
  border-left: 1px solid var(--ub-hairline);
}

.hero-stats strong {
  color: var(--text);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

/* ── Category chips + result count ───────────────────────────────────── */
.catalog-toolbar {
  margin-top: 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  animation: ub-rise 0.8s var(--ub-ease) 0.38s both;
}

.category-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.category-chip {
  height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--ub-glass-strong);
  color: var(--text);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: none;
  transition: background 0.25s var(--ub-ease), color 0.25s var(--ub-ease), border-color 0.25s var(--ub-ease), transform 0.25s var(--ub-ease), box-shadow 0.25s var(--ub-ease);
}

.category-chip:hover {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  transform: translateY(-1px);
}

.category-chip.is-active {
  background: var(--text);
  color: var(--card);
  border-color: var(--text);
  box-shadow: 0 6px 18px color-mix(in srgb, var(--text) 20%, transparent);
}

.category-chip:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--primary) 60%, transparent);
  outline-offset: 2px;
}

#dashboardSearchMeta {
  margin: 0;
  font-size: 0.86rem;
  color: var(--muted);
  font-weight: 600;
}

/* ── Line icons (sidebar + cards) ────────────────────────────────────── */
.ub-ico {
  width: 22px;
  height: 22px;
  display: block;
}

.nav-icon .ub-ico {
  width: 20px;
  height: 20px;
}

.tool-icon .ub-ico {
  width: 24px;
  height: 24px;
}

/* ── Tool cards: modern, left-aligned, gradient border on hover ──────── */
.tool-grid {
  gap: 16px;
}

.tool-card {
  align-items: flex-start;
  text-align: left;
  gap: 6px;
  min-height: 0;
  padding: 22px 22px 18px;
  border-radius: var(--ub-radius);
  border: 1px solid var(--ub-hairline);
  background-image:
    linear-gradient(180deg, color-mix(in srgb, var(--card) 92%, transparent), color-mix(in srgb, var(--card) 80%, transparent)),
    linear-gradient(114deg, transparent 34%, var(--card-shine-color) 50%, transparent 66%);
  backdrop-filter: blur(10px);
  box-shadow: var(--ub-elev-1);
  animation-name: ub-card-in;
  animation-duration: 0.6s;
  animation-timing-function: var(--ub-ease);
  transition: transform 0.35s var(--ub-ease), box-shadow 0.35s var(--ub-ease), border-color 0.35s var(--ub-ease), background-position 0.6s var(--ub-ease);
}

.tool-card::before {
  /* gradient hairline border, revealed on hover (mask technique) */
  inset: 0;
  left: 0;
  top: 0;
  width: auto;
  height: auto;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, var(--primary), var(--ub-accent) 50%, color-mix(in srgb, var(--primary) 30%, transparent));
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s var(--ub-ease);
}

.tool-card:nth-child(4n + 2)::before,
.tool-card:nth-child(4n + 3)::before,
.tool-card:nth-child(4n + 4)::before {
  background: linear-gradient(135deg, var(--primary), var(--ub-accent) 50%, color-mix(in srgb, var(--primary) 30%, transparent));
}

.tool-card:hover::before {
  inset: 0;
  left: 0;
  width: auto;
  opacity: 1;
}

.tool-card::after {
  /* soft colour wash in the corner */
  width: 220px;
  height: 220px;
  right: -110px;
  top: -110px;
  background: radial-gradient(circle, color-mix(in srgb, var(--ub-accent) 18%, transparent), transparent 70%);
  opacity: 0.6;
}

.tool-card:hover {
  border-color: transparent;
  box-shadow: var(--ub-elev-2);
}

@media (hover: hover) {
  .tool-card:hover:not(.is-tilted) {
    transform: translateY(-6px);
  }
}

.tool-icon {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  font-size: 1.6rem;
  border: 1px solid color-mix(in srgb, var(--primary) 16%, var(--ub-hairline));
  background: linear-gradient(145deg,
    color-mix(in srgb, var(--primary) 12%, var(--card)),
    color-mix(in srgb, var(--ub-accent) 8%, var(--card)));
  box-shadow: inset 0 1px 0 color-mix(in srgb, #ffffff 50%, transparent), 0 6px 16px color-mix(in srgb, var(--primary) 14%, transparent);
  transition: transform 0.45s var(--ub-spring), box-shadow 0.35s var(--ub-ease), background 0.35s var(--ub-ease);
}

.tool-card:nth-child(4n + 2) .tool-icon {
  background: linear-gradient(145deg, color-mix(in srgb, var(--ub-accent) 14%, var(--card)), color-mix(in srgb, var(--primary) 6%, var(--card)));
}

.tool-card:nth-child(4n + 3) .tool-icon {
  background: linear-gradient(145deg, color-mix(in srgb, var(--primary) 8%, var(--card)), color-mix(in srgb, var(--ub-accent) 16%, var(--card)));
}

.tool-card:hover .tool-icon {
  transform: translateY(-2px) scale(1.08) rotate(-6deg);
  background: linear-gradient(145deg, var(--primary), var(--ub-accent));
  color: var(--on-primary);
  box-shadow: 0 12px 26px color-mix(in srgb, var(--primary) 40%, transparent);
}

.tool-icon::after {
  display: none;
}

.tool-card[data-open-tool="sqlfmt"] .tool-icon {
  font-size: 1.05rem;
}

.tool-card h3 {
  margin: 12px 0 2px;
  font-size: 1.08rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.tool-card p:not(.tool-icon) {
  font-size: 0.9rem;
  line-height: 1.55;
}

/* "Open X" becomes a refined text link with a sliding arrow */
.tool-card .open-btn {
  margin-top: auto;
  padding-top: 14px;
  align-self: flex-start;
  min-width: 0;
  padding: 14px 0 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: var(--primary);
  font-size: 0.9rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  overflow: visible;
  transition: color 0.25s var(--ub-ease), gap 0.3s var(--ub-ease);
}

.tool-card .open-btn::after {
  content: "→";
  position: static;
  width: auto;
  height: auto;
  background: none;
  opacity: 1;
  transform: none;
  transition: transform 0.3s var(--ub-ease);
}

.tool-card .open-btn:hover,
.tool-card:hover .open-btn {
  transform: none;
  box-shadow: none;
  background: none;
  color: color-mix(in srgb, var(--primary) 70%, var(--ub-accent));
}

.tool-card:hover .open-btn::after {
  transform: translateX(5px);
}

/* Spotlight that follows the cursor (element added by app-shell JS) */
.card-spot {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, color-mix(in srgb, var(--primary) 12%, transparent), transparent 65%);
}

/* ── Tool workspace polish (surfaces only — tool internals untouched) ─ */
.tool-panel-wrap > .panel.card,
.tool-panel-wrap > .card {
  border-radius: 22px;
  border: 1px solid var(--ub-hairline);
  box-shadow: var(--ub-elev-1);
}

.panel.card.active {
  animation: ub-rise 0.45s var(--ub-ease) both;
}

.workspace-head h2 {
  letter-spacing: -0.025em;
}

.tag {
  letter-spacing: 0.08em;
}

/* Focus visibility for keyboard users */
.tool-card:focus-within,
.nav-btn:focus-visible,
.open-btn:focus-visible {
  outline: 2px solid color-mix(in srgb, var(--primary) 60%, transparent);
  outline-offset: 3px;
}

/* ── Round 3: slim top bar ───────────────────────────────────────────── */
.top-bar {
  padding: 10px 12px 10px 14px;
  border-radius: 16px;
  min-height: 0;
}

.top-bar .brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 11px;
}

.top-bar .brand h1 {
  font-size: 1rem;
  font-weight: 700;
}

.top-bar .brand p {
  font-size: 0.8rem;
  color: var(--muted);
}

.top-actions {
  gap: 8px;
}

/* Back/Home only make sense inside a tool — hide them on the catalog */
body:not(.tool-open) #topBackBtn,
body:not(.tool-open) #topHomeBtn {
  display: none;
}

.top-actions .ghost,
.top-actions select {
  height: 38px;
  font-size: 0.88rem;
  font-weight: 600;
}

/* Theme dropdown: custom chevron, inset from the rounded edge (native arrow
   sat flush against the pill's border). Drawn with gradients so it uses the
   current text colour in every theme. */
.top-actions select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  height: 32px;
  min-height: 32px;
  padding: 0 28px 0 12px;
  font-size: 0.82rem;
  line-height: 1;
  color: var(--text);
  background-color: var(--ub-glass-strong);
  background-image:
    linear-gradient(45deg, transparent 50%, currentColor 50%),
    linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position:
    calc(100% - 16px) 54%,
    calc(100% - 12px) 54%;
  background-size: 4px 4px, 4px 4px;
  background-repeat: no-repeat;
  cursor: pointer;
}

/* 06c (≤520px) sets ".top-actions .theme-control select { padding: 7px 8px }";
   keep room for the chevron at every width. */
.top-actions .theme-control select {
  width: auto;
  padding: 0 28px 0 12px;
}

.top-actions select:focus-visible {
  outline: none;
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
  box-shadow: 0 0 0 4px var(--focus);
}

.top-actions select option {
  color: var(--text);
  background: var(--card);
}

.theme-control > span {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.fx-settings-btn {
  width: 38px;
  padding: 0;
  display: grid;
  place-items: center;
}

/* ── Hero: "Popular" quick links under the search ────────────────────── */
.hero .hero-popular {
  margin: 16px auto 0;
  max-width: none;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.86rem;
  color: var(--muted);
  animation: ub-rise 0.8s var(--ub-ease) 0.28s both;
}

.hero-popular a {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--ub-glass-strong);
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  transition: border-color 0.2s var(--ub-ease), color 0.2s var(--ub-ease), transform 0.2s var(--ub-ease);
}

.hero-popular a:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  color: var(--primary);
  transform: translateY(-1px);
}

/* ── Cards: category label in the corner (replaces the colour wash) ──── */
.tool-card[data-category]::after,
.tool-card[data-category]:hover::after {
  content: "";
  width: auto;
  height: auto;
  top: 20px;
  right: 18px;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--ub-glass-strong);
  color: var(--muted);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 1;
  transform: none;
  filter: none;
}

.tool-card[data-category="finance"]::after { content: "Finance"; }
.tool-card[data-category="developer"]::after { content: "Dev"; }
.tool-card[data-category="security"]::after { content: "Security"; }
.tool-card[data-category="documents"]::after { content: "Docs"; }
.tool-card[data-category="everyday"]::after { content: "Everyday"; }

/* ── Tool workspace header: left-aligned title with breadcrumb ───────── */
.workspace-head {
  grid-template-columns: auto 1fr;
  gap: 18px;
  align-items: center;
  margin: 18px 0 16px;
}

.workspace-head-spacer {
  display: none;
}

.workspace-title-block {
  text-align: left;
}

.workspace-title-block::before {
  content: "All tools  /";
  white-space: pre;
  display: block;
  margin-bottom: 2px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--muted);
}

.workspace-head h2 {
  font-size: clamp(1.5rem, 2.4vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.workspace-head p {
  font-size: 0.95rem;
}

.back-nav-btn {
  height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--ub-glass-strong);
  color: var(--text);
  font-weight: 600;
  box-shadow: var(--ub-elev-1);
  transition: transform 0.25s var(--ub-ease), border-color 0.25s var(--ub-ease), color 0.25s var(--ub-ease);
}

.back-nav-btn:hover {
  transform: translateX(-2px);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  color: var(--primary);
}

/* ── Tool panels: calmer surface + premium focus on every field ─────── */
.tool-panel-wrap > .panel.card {
  padding: clamp(20px, 2.4vw, 32px);
  background: color-mix(in srgb, var(--card) 94%, transparent);
}

.tool-panel-wrap :is(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]), select, textarea):not(.inv-tl-ig *) {
  border-radius: 12px;
  transition: border-color 0.2s var(--ub-ease), box-shadow 0.2s var(--ub-ease), background 0.2s var(--ub-ease);
}

.tool-panel-wrap :is(input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]), select, textarea):not(.inv-tl-ig *):focus {
  outline: none;
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
  box-shadow: 0 0 0 4px var(--focus);
}

/* ── Footer: quiet, link-list style ──────────────────────────────────── */
.site-footer {
  min-height: 0;
  padding: 44px 40px 28px;
  border: 1px solid var(--ub-hairline);
  border-radius: 24px 24px 0 0;
  background: var(--ub-glass-strong);
  backdrop-filter: blur(16px);
  box-shadow: none;
}

.footer-brand-block .brand h2 {
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.footer-brand-block .brand p,
.footer-note,
.footer-contact p {
  font-size: 0.92rem;
}

.footer-note {
  max-width: 34ch;
}

.footer-title {
  margin: 4px 0 14px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.footer-links {
  gap: 2px;
}

.footer-links .footer-tool-link {
  display: inline-flex;
  width: fit-content;
  min-height: 0;
  padding: 6px 0;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.2s var(--ub-ease), transform 0.2s var(--ub-ease);
}

.footer-links .footer-tool-link:hover {
  color: var(--primary);
  transform: translateX(3px);
  background: none;
  box-shadow: none;
}

.footer-bottom {
  font-size: 0.85rem;
}

.social-links {
  gap: 8px;
  margin-top: 18px;
}

.social-link {
  padding: 6px 12px 6px 6px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--card);
  font-size: 0.86rem;
  font-weight: 600;
  box-shadow: none;
  transition: border-color 0.2s var(--ub-ease), transform 0.2s var(--ub-ease);
}

.social-link:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  transform: translateY(-1px);
}

.social-icon {
  width: 26px;
  height: 26px;
  font-size: 0.8rem;
}

/* ── Cookie banner: compact floating card instead of a full-width bar ── */
.cookie-consent-banner {
  left: 20px;
  right: auto;
  bottom: 20px;
  max-width: 400px;
  padding: 16px 18px;
  border: 1px solid var(--ub-hairline);
  border-radius: 18px;
  background: var(--ub-glass-strong);
  backdrop-filter: blur(18px) saturate(1.4);
  box-shadow: 0 20px 50px color-mix(in srgb, var(--text) 18%, transparent);
  animation: ub-rise 0.5s var(--ub-ease) 0.6s both;
}

.cookie-consent-text {
  font-size: 0.86rem;
  color: var(--muted);
}

.cookie-consent-btn {
  min-height: 36px;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.85rem;
}

/* ═══ All tool panels: safe, generic premium layer ══════════════════════
   Targets only elements that rely on the base (unclassed) styles, so every
   tool's own components — calculator keys, tabs, segmented controls, copy
   buttons — keep their bespoke look. Finance tools add more below. */
.tool-panel-wrap > .panel.card > .card-head {
  margin-bottom: 4px;
}

.tool-panel-wrap > .panel.card > .card-head h2 {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.tool-panel-wrap > .panel.card > .card-head .tag {
  border: 0;
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--on-primary);
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}

/* Unclassed primary buttons */
.tool-panel-wrap button:not([class]) {
  min-height: 44px;
  padding: 0 20px;
  border-radius: 12px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 26%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.2s var(--ub-ease), box-shadow 0.2s var(--ub-ease), filter 0.2s var(--ub-ease);
}

.tool-panel-wrap button:not([class]):hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 34%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.tool-panel-wrap button:not([class]):active {
  transform: translateY(0) scale(0.99);
}

/* Plain secondary buttons (exactly class="ghost") */
.tool-panel-wrap button[class="ghost"] {
  min-height: 44px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  transition: border-color 0.2s var(--ub-ease), color 0.2s var(--ub-ease), transform 0.2s var(--ub-ease);
}

.tool-panel-wrap button[class="ghost"]:hover {
  border-color: color-mix(in srgb, var(--primary) 50%, var(--border));
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: none;
}

/* Unclassed text-like fields */
/* (not inside compact wrapped fields like Invoice Tax/Discount "18 %", where the
   extra padding left no room for the value) */
.tool-panel-wrap :is(input[type="text"], input[type="number"], input[type="email"], input[type="url"], input[type="tel"], input[type="search"], input[type="password"], input:not([type]), select):not([class]):not(.inv-tl-ig *) {
  min-height: 44px;
  padding-left: 14px;
  padding-right: 14px;
  border-radius: 12px;
}

.tool-panel-wrap textarea:not([class]) {
  border-radius: 12px;
  padding: 12px 14px;
  line-height: 1.55;
}

/* Status line (exactly class="result" on a <p>) → soft info pill */
.tool-panel-wrap p[class="result"] {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin: 0;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--chip);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
}

/* empty status placeholders stay hidden until the tool writes a message */
.tool-panel-wrap p[class="result"]:empty {
  display: none;
}

.tool-panel-wrap p[class="result"]::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  flex: 0 0 auto;
}

/* Shared building blocks used by several tools */
.tool-panel-wrap .kpi-card {
  padding: 16px 18px;
  border-radius: 16px;
  border: 1px solid var(--ub-hairline);
  background: linear-gradient(160deg, var(--card), color-mix(in srgb, var(--chip) 70%, var(--card)));
}

.tool-panel-wrap .kpi-card p {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.tool-panel-wrap .kpi-card strong {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

.tool-panel-wrap .output-item {
  border-radius: 12px;
  border: 1px solid var(--ub-hairline);
  background: var(--card);
}

.tool-panel-wrap .field-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.tool-panel-wrap .helper-text {
  color: var(--muted);
}

/* Tool accents that were hard-coded orange → theme gradient (keeps the
   green "copied" success state and the disabled state) */
.tool-panel-wrap .encrypt-primary-btn,
.tool-panel-wrap .encrypt-copy-btn:not(.encrypt-copy-success),
.tool-panel-wrap .sr-primary-btn {
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  color: var(--on-primary);
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 26%, transparent);
  transition: transform 0.2s var(--ub-ease), box-shadow 0.2s var(--ub-ease), filter 0.2s var(--ub-ease);
}

.tool-panel-wrap :is(.encrypt-primary-btn, .encrypt-copy-btn:not(.encrypt-copy-success), .sr-primary-btn:not(:disabled)):hover {
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  filter: brightness(1.06);
  transform: translateY(-1px);
}

.tool-panel-wrap .sr-primary-btn:disabled {
  box-shadow: none;
}

/* ── SEO article under each tool: same premium surfaces ──────────────
   (07-seo-content.css loads after this file, hence the extra parent) */
.tool-seo-section .seo-head,
.tool-seo-section .seo-card {
  border: 1px solid var(--ub-hairline);
  border-radius: 22px;
  background: var(--ub-glass-strong);
  box-shadow: var(--ub-elev-1);
}

.tool-seo-section .seo-head {
  padding: clamp(24px, 3vw, 36px);
  background:
    radial-gradient(30rem 14rem at 0% 0%, color-mix(in srgb, var(--primary) 10%, transparent), transparent 70%),
    var(--ub-glass-strong);
}

.tool-seo-section .seo-head h1 {
  letter-spacing: -0.03em;
  line-height: 1.12;
}

.tool-seo-section .seo-card h2 {
  font-size: 1.08rem;
  letter-spacing: -0.015em;
  border-bottom: 1px solid var(--ub-hairline);
}

/* Fix (pre-existing): .seo-uses li was display:flex, so every <strong> and
   text run became its own flex column ("Supports both | Loan EMI | (home…").
   Normal text flow with an absolutely-placed check mark instead. */
.tool-seo-section .seo-uses li {
  display: block;
  position: relative;
  padding: 11px 14px 11px 38px;
  border: 1px solid var(--ub-hairline);
  border-radius: 12px;
  background: var(--card);
}

.tool-seo-section .seo-uses li::before {
  position: absolute;
  left: 14px;
  top: 11px;
  margin: 0;
}

.tool-seo-section .seo-faq details {
  border: 1px solid var(--ub-hairline);
  border-radius: 14px;
  background: var(--card);
  transition: border-color 0.25s var(--ub-ease), box-shadow 0.25s var(--ub-ease);
}

.tool-seo-section .seo-faq details:hover {
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}

.tool-seo-section .seo-faq details[open] {
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  box-shadow: 0 8px 24px color-mix(in srgb, var(--primary) 10%, transparent);
}

.tool-seo-section .seo-faq summary::after {
  content: "";
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--primary);
  border-bottom: 2px solid var(--primary);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.3s var(--ub-ease);
}

.tool-seo-section .seo-faq details[open] summary::after {
  content: "";
  transform: rotate(225deg) translateY(-2px);
}

.tool-seo-section .seo-faq details[open] p {
  animation: ub-rise 0.35s var(--ub-ease) both;
}

.tool-seo-section .seo-related-link {
  border: 1px solid var(--ub-hairline);
  border-radius: 16px;
  background: var(--card);
  padding: 16px;
  transition: transform 0.3s var(--ub-ease), border-color 0.3s var(--ub-ease), box-shadow 0.3s var(--ub-ease);
}

.tool-seo-section .seo-related-link:hover {
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
  background: var(--card);
  transform: translateY(-3px);
  box-shadow: var(--ub-elev-2);
}

/* Cards fade up as they scroll into view (progressive: browsers without
   scroll-driven animations simply show them normally) */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    /* not on .tool-card: an animated transform would override its hover lift / tilt */
    .tool-seo-section :is(.seo-card, .seo-head) {
      animation: ub-card-in linear both;
      animation-timeline: view();
      /* fixed distance: fully opaque after 120px of the card is on screen, so a
         tall card never sits half-faded at the bottom of the viewport */
      animation-range: entry 0px entry 120px;
    }
  }
}

/* ═══ Finance tools (EMI · Currency · Budget · Split · Invoice) ═══════════
   Visual only, scoped to these five panels. No markup/ID/JS changes; small
   utility buttons (✕ remove, row delete) keep their own compact styles. */
:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .card-head {
  margin-bottom: 4px;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .card-head h2 {
  font-size: 1.22rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .card-head .tag {
  border: 0;
  border-radius: 999px;
  padding: 5px 11px;
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--on-primary);
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  box-shadow: 0 4px 12px color-mix(in srgb, var(--primary) 30%, transparent);
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .helper-text {
  color: var(--muted);
  margin: 0;
}

/* Form fields in the main input areas */
[data-tool-panel="emi"] .inline-actions :is(input, select),
[data-tool-panel="budget"] .inline-actions input,
[data-tool-panel="split"] .split-card :is(input, select),
[data-tool-panel="currency"] .fx-input-block :is(input, select),
[data-tool-panel="invoice"] :is(.inv-fieldset, .inv-meta-field) :is(input, select) {
  min-height: 46px;
  padding: 0 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--input-bg);
  font-size: 0.95rem;
}

[data-tool-panel="split"] .split-card textarea,
[data-tool-panel="invoice"] .inv-notes-col textarea {
  border-radius: 12px;
  padding: 12px 14px;
  line-height: 1.5;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) ::placeholder {
  color: color-mix(in srgb, var(--muted) 80%, transparent);
}

/* Primary actions */
:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) button:not(.ghost):not(.inv-del-row) {
  min-height: 46px;
  padding: 0 22px;
  border-radius: 12px;
  font-weight: 700;
  letter-spacing: 0.005em;
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  box-shadow: 0 8px 22px color-mix(in srgb, var(--primary) 28%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: transform 0.2s var(--ub-ease), box-shadow 0.2s var(--ub-ease), filter 0.2s var(--ub-ease);
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) button:not(.ghost):not(.inv-del-row):hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
  box-shadow: 0 12px 28px color-mix(in srgb, var(--primary) 36%, transparent), inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) button:not(.ghost):not(.inv-del-row):active {
  transform: translateY(0) scale(0.99);
}

/* Secondary actions (not the tiny ✕ buttons inside list rows) */
#swapFxBtn, #refreshFxBtn, #clearBudgetBtn, #splitClearBtn, #invAddRowBtn, #invPrintBtn, #invPdfBtn {
  min-height: 46px;
  padding: 0 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-weight: 600;
  transition: border-color 0.2s var(--ub-ease), color 0.2s var(--ub-ease), transform 0.2s var(--ub-ease), box-shadow 0.2s var(--ub-ease);
}

#swapFxBtn:hover, #refreshFxBtn:hover, #invAddRowBtn:hover, #invPrintBtn:hover, #invPdfBtn:hover {
  border-color: color-mix(in srgb, var(--primary) 50%, var(--border));
  color: var(--primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 16px color-mix(in srgb, var(--primary) 12%, transparent);
}

#clearBudgetBtn, #splitClearBtn {
  align-self: flex-start;
  color: var(--muted);
}

#clearBudgetBtn:hover, #splitClearBtn:hover {
  border-color: color-mix(in srgb, #ef4444 50%, var(--border));
  color: #ef4444;
}

/* Status line → soft info pill */
:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) p.result:not(.fx-main-result) {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  align-self: flex-start;
  margin: 0;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--chip);
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) p.result:not(.fx-main-result)::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  flex: 0 0 auto;
}

/* KPI stat tiles */
:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .kpi-grid {
  gap: 12px;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .kpi-card {
  padding: 18px 20px;
  border-radius: 16px;
  border: 1px solid var(--ub-hairline);
  background: linear-gradient(160deg, var(--card), color-mix(in srgb, var(--chip) 70%, var(--card)));
  box-shadow: var(--ub-elev-1);
  transition: transform 0.25s var(--ub-ease), box-shadow 0.25s var(--ub-ease);
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--ub-elev-2);
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .kpi-card p {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .kpi-card strong {
  margin-top: 8px;
  font-size: clamp(1.3rem, 2vw, 1.7rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* Hero KPI: Monthly EMI / Remaining Balance stand out */
[data-tool-panel="emi"] .kpi-card:first-child {
  border-color: transparent;
  color: var(--on-primary);
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  box-shadow: 0 14px 34px color-mix(in srgb, var(--primary) 32%, transparent);
}

[data-tool-panel="emi"] .kpi-card:first-child p {
  color: color-mix(in srgb, var(--on-primary) 80%, transparent);
}

/* (Budget's balance card keeps the border colour its JS sets: red when negative) */
#budgetKpiBalanceCard {
  border-width: 1.5px;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) :is(.budget-expense-amount, .inv-tl-amt, .inv-item-total, .emi-table td, .emi-legend strong) {
  font-variant-numeric: tabular-nums;
}

/* Lists (budget expenses, split expenses/settlements) */
:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .output-list {
  gap: 8px;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .output-item {
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--ub-hairline);
  background: var(--card);
  transition: border-color 0.2s var(--ub-ease), transform 0.2s var(--ub-ease);
  animation: ub-rise 0.35s var(--ub-ease) both;
}

:is([data-tool-panel="emi"], [data-tool-panel="currency"], [data-tool-panel="budget"], [data-tool-panel="split"], [data-tool-panel="invoice"]) .output-item:hover {
  border-color: color-mix(in srgb, var(--primary) 30%, var(--border));
}

[data-tool-panel="budget"] .budget-expense-amount {
  font-weight: 800;
}

[data-tool-panel="budget"] .budget-remove-btn,
[data-tool-panel="split"] .output-item .ghost {
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  color: var(--muted);
  background: transparent;
  transition: color 0.2s var(--ub-ease), border-color 0.2s var(--ub-ease), background 0.2s var(--ub-ease);
}

[data-tool-panel="budget"] .budget-remove-btn:hover,
[data-tool-panel="split"] .output-item .ghost:hover {
  color: #ef4444;
  border-color: color-mix(in srgb, #ef4444 45%, transparent);
  background: color-mix(in srgb, #ef4444 8%, transparent);
  box-shadow: none;
  transform: none;
}

/* Sub-cards (split columns, EMI breakdown/schedule) */
[data-tool-panel="split"] .split-card,
[data-tool-panel="emi"] .emi-card {
  border-radius: 18px;
  border: 1px solid var(--ub-hairline);
  background: color-mix(in srgb, var(--chip) 45%, var(--card));
  padding: 20px;
  box-shadow: none;
}

[data-tool-panel="split"] .split-card h3,
[data-tool-panel="emi"] .emi-card .sub-head {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

[data-tool-panel="emi"] .emi-donut-hole {
  background: var(--card);
  box-shadow: inset 0 0 0 1px var(--ub-hairline);
}

/* EMI schedule table */
[data-tool-panel="emi"] .emi-table thead th {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: var(--card);
}

[data-tool-panel="emi"] .emi-table tbody tr {
  transition: background 0.15s var(--ub-ease);
}

[data-tool-panel="emi"] .emi-table tbody tr:hover {
  background: color-mix(in srgb, var(--primary) 6%, transparent);
}

/* Currency: the result is the hero of the page */
[data-tool-panel="currency"] .fx-result-display {
  border: 1px solid transparent;
  border-radius: 22px;
  padding: 44px 28px 36px;
  background:
    linear-gradient(var(--card), var(--card)) padding-box,
    linear-gradient(135deg, color-mix(in srgb, var(--primary) 55%, transparent), color-mix(in srgb, var(--ub-accent) 45%, transparent)) border-box;
  box-shadow: 0 18px 44px color-mix(in srgb, var(--primary) 14%, transparent);
  position: relative;
  overflow: hidden;
}

[data-tool-panel="currency"] .fx-result-display::before {
  content: "";
  position: absolute;
  inset: -40% -10% auto;
  height: 160%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--primary) 10%, transparent), transparent);
  pointer-events: none;
}

[data-tool-panel="currency"] .fx-main-result {
  position: relative;
  font-size: clamp(1.6rem, 3.4vw, 2.4rem) !important;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(100deg, var(--primary), var(--ub-accent));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent !important;
  padding-bottom: 0.1em;
}

[data-tool-panel="currency"] .fx-meta-row {
  position: relative;
  gap: 8px;
}

[data-tool-panel="currency"] .fx-meta-row .result {
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--ub-glass-strong);
  font-size: 0.82rem;
}

[data-tool-panel="currency"] .fx-input-block .field-label,
[data-tool-panel="invoice"] .field-label {
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

/* Invoice: sectioned form + receipt-style totals */
[data-tool-panel="invoice"] .inv-fieldset {
  border-radius: 18px;
  border: 1px solid var(--ub-hairline);
  background: color-mix(in srgb, var(--chip) 45%, var(--card));
  padding: 18px 18px 20px;
}

[data-tool-panel="invoice"] .inv-fieldset legend {
  padding: 4px 12px;
  border-radius: 999px;
  border: 1px solid var(--ub-hairline);
  background: var(--card);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

[data-tool-panel="invoice"] .inv-items-header {
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

[data-tool-panel="invoice"] .inv-item-row {
  animation: ub-rise 0.3s var(--ub-ease) both;
}

[data-tool-panel="invoice"] .inv-totals-col {
  border-radius: 18px;
  border: 1px solid var(--ub-hairline);
  background: var(--card);
  box-shadow: var(--ub-elev-1);
}

[data-tool-panel="invoice"] .inv-tl-balance {
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--ub-accent));
  color: var(--on-primary);
}

[data-tool-panel="invoice"] .inv-tl-balance :is(.inv-tl-lbl, .inv-tl-amt) {
  color: var(--on-primary);
}

/* Tax / Discount %: the wrapper is the field. The base input rule
   (input:not(...):not(...)) out-ranked ".inv-tl-ig input { border: none }",
   which drew a second box inside the wrapper (pre-existing). */
[data-tool-panel="invoice"] .inv-tl-ig {
  border-radius: 10px;
  padding: 6px 10px;
  transition: border-color 0.2s var(--ub-ease), box-shadow 0.2s var(--ub-ease);
}

[data-tool-panel="invoice"] .inv-tl-ig:focus-within {
  border-color: color-mix(in srgb, var(--primary) 55%, var(--border));
  box-shadow: 0 0 0 4px var(--focus);
}

[data-tool-panel="invoice"] .inv-tl-ig input {
  width: 40px;
  min-height: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

[data-tool-panel="invoice"] .inv-tl-ig input:focus {
  outline: none;
  box-shadow: none;
  background: transparent;
}

[data-tool-panel="invoice"] .inv-tl-advance-in {
  height: 34px;
  min-height: 0;
  padding: 0 10px;
  border-radius: 10px;
}

[data-tool-panel="invoice"] .inv-tl-advance-in:focus {
  box-shadow: 0 0 0 4px var(--focus);
}

[data-tool-panel="invoice"] .inv-preview {
  border-radius: 16px;
  box-shadow: 0 24px 60px color-mix(in srgb, var(--text) 14%, transparent);
}

/* ── Keyframes ───────────────────────────────────────────────────────── */
@keyframes ub-rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

@keyframes ub-card-in {
  from { opacity: 0; transform: translateY(18px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

@keyframes ub-spin {
  to { transform: rotate(360deg); }
}

@keyframes ub-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

@keyframes ub-shimmer {
  0%, 100% { background-position: 0% 50%; }
  50%      { background-position: 100% 50%; }
}

@keyframes ub-breathe {
  0%, 100% { opacity: 0.55; transform: scale(0.94); }
  50%      { opacity: 0.9;  transform: scale(1.04); }
}

@keyframes ub-pulse-green {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

@keyframes ub-pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary) 45%, transparent); }
  70%  { box-shadow: 0 0 0 8px transparent; }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 760px) {
  .hero {
    padding: 34px 4px 18px;
  }

  .hero-stats {
    display: grid;
    grid-template-columns: repeat(2, auto);
    justify-content: center;
    gap: 8px 22px;
  }

  .hero-stats li {
    padding: 0;
    font-size: 0.82rem;
  }

  .hero-stats li + li {
    border-left: 0;
  }

  .hero-stats strong {
    font-size: 1rem;
  }

  .category-chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    padding: 2px 0;
  }

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

  .category-chip {
    flex: 0 0 auto;
  }

  .search-kbd {
    display: none;
  }

  .hero .hero-popular {
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    scrollbar-width: none;
    padding-bottom: 2px;
  }

  .hero .hero-popular::-webkit-scrollbar {
    display: none;
  }

  .hero-popular a,
  .hero-popular span {
    flex: 0 0 auto;
  }

  .cookie-consent-banner {
    left: 12px;
    right: 12px;
    bottom: 12px;
    max-width: none;
  }

  .site-footer {
    padding: 32px 20px 22px;
  }

  .tool-card[data-category]::after {
    top: 16px;
    right: 14px;
  }

  .workspace-head {
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 12px;
  }

  .back-nav-btn {
    justify-self: start;
  }

  #dashboardSearchInput {
    padding-right: 18px;
  }

  .tool-card {
    padding: 18px;
    backdrop-filter: none;
  }

  /* lighter effects on phones: keep the page smooth on low-end devices */
  .background-shape::after,
  .hero::before {
    animation: none;
  }
}

/* ── Reduced motion: no movement, content visible immediately ────────── */
@media (prefers-reduced-motion: reduce) {
  .hero,
  .hero *,
  .hero::before,
  .hero-logo::before,
  .background-shape::after,
  .search-shell::before,
  .panel.card.active,
  .tool-card {
    animation: none !important;
  }

  .tool-card {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .tool-card:hover,
  .tool-card:hover .tool-icon {
    transform: none;
  }
}