@import 'variables.css';

*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body {
  font-family: var(--ca-font);
  background: var(--ca-bg);
  color: var(--ca-text);
  line-height: 1.6;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
#main { flex: 1 0 auto; }

img, svg { max-width: 100%; height: auto; }
a { color: var(--ca-red); text-decoration: none; transition: color var(--ca-transition); }
a:hover { color: var(--ca-red-dark); }
:focus-visible { outline: 2px solid var(--ca-red); outline-offset: 2px; }

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 9999;
  background: var(--ca-red); color: #fff; padding: .75rem 1.25rem;
}
.skip-link:focus { left: 0; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 1030;
  background: #fff;
  height: var(--ca-header-h);
}
#site-header:empty { min-height: var(--ca-header-h, 64px); }
.site-header .navbar { padding: 0; height: var(--ca-header-h); }
.site-header .navbar-brand {
  font-weight: 800; font-size: 1.35rem; color: var(--ca-gray-900) !important;
  letter-spacing: -.02em; display: flex; align-items: center; gap: .625rem;
}
.site-header .brand-logo { flex-shrink: 0; display: block; }
.site-header .brand-text { line-height: 1; }
.site-header .brand-accent { color: var(--ca-red); }
.site-header .nav-link {
  color: var(--ca-gray-600) !important; font-weight: 500; font-size: .9rem;
  padding: .5rem .75rem !important; transition: color var(--ca-transition);
}
.site-header .nav-link:hover { color: var(--ca-gray-900) !important; }
.site-header .nav-link.active { color: var(--ca-red) !important; }
.site-header .btn-search, .site-header .btn-theme {
  background: transparent; border: 1px solid var(--ca-gray-200);
  color: var(--ca-gray-700); width: 40px; height: 40px; border-radius: var(--ca-radius);
  display: inline-flex; align-items: center; justify-content: center;
  transition: all var(--ca-transition); cursor: pointer;
}
.site-header .btn-search:hover, .site-header .btn-theme:hover {
  border-color: var(--ca-red); color: var(--ca-red);
}
.site-header .dropdown-menu-nav {
  border: 1px solid var(--ca-border); border-radius: var(--ca-radius-lg);
  box-shadow: var(--ca-shadow-md); padding: .5rem 0; min-width: 240px;
  margin-top: .5rem;
}
.site-header .dropdown-item {
  font-size: .875rem; padding: .5rem 1.25rem; color: var(--ca-gray-700);
}
.site-header .dropdown-item:hover, .site-header .dropdown-item:focus {
  background: var(--ca-bg-alt); color: var(--ca-red);
}
.site-header .dropdown-divider { margin: .35rem 0; border-color: var(--ca-border); }
.site-header .nav-link.dropdown-toggle::after { margin-left: .35rem; vertical-align: .15em; }

/* Search overlay */
.search-overlay {
  position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,.85);
  display: none; align-items: flex-start; justify-content: center;
  padding: calc(var(--ca-header-h) + 2rem) 1rem 2rem;
}
.search-overlay.active { display: flex; }
.search-panel {
  width: 100%; max-width: 640px; background: var(--ca-bg-card);
  border-radius: var(--ca-radius-lg); border: 1px solid var(--ca-border);
  box-shadow: var(--ca-shadow-md); overflow: hidden;
}
.search-panel input {
  width: 100%; border: none; background: transparent; padding: 1.25rem 1.5rem;
  font-size: 1.1rem; color: var(--ca-text);
}
.search-panel input:focus { outline: none; }
.search-results { max-height: 400px; overflow-y: auto; border-top: 1px solid var(--ca-border); }
.search-result-item {
  display: block; padding: .875rem 1.5rem; color: var(--ca-text);
  border-bottom: 1px solid var(--ca-border); transition: background var(--ca-transition);
}
.search-result-item:hover, .search-result-item.active { background: var(--ca-bg-alt); text-decoration: none; color: var(--ca-text); }
.search-result-item .badge-type { font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; color: var(--ca-red); }
.search-meta { padding: .75rem 1.5rem; font-size: .8rem; color: var(--ca-text-muted); }

/* Hero */
.hero {
  position: relative; overflow: hidden;
  background: var(--ca-gradient-hero); color: #fff;
  padding: 2.5rem 0 1.5rem;
  text-align: center;
}
.hero .col-12 {
  display: flex; flex-direction: column; align-items: center;
}
.hero-symbols {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none; opacity: .08;
}
.hero-symbols span {
  position: absolute; font-size: 2rem; font-weight: 700;
  animation: float 20s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(5deg); }
}
.hero h1 {
  font-size: clamp(1.5rem, 3.5vw, 2.65rem); font-weight: 800;
  letter-spacing: -.03em; line-height: 1.15; white-space: nowrap;
}
.hero h1 .hero-accent { color: var(--ca-red); }
.hero .lead {
  font-size: clamp(0.875rem, 1.35vw, 1.05rem); color: rgba(255,255,255,.7);
  max-width: none; margin-top: .75rem; white-space: nowrap;
}
.hero-search {
  max-width: 560px; width: 100%; position: relative; margin-top: 1.25rem;
}
.hero-search input {
  width: 100%; padding: .75rem 1rem .75rem 2.75rem; border-radius: var(--ca-radius-lg);
  border: 1px solid rgba(255,255,255,.12); background: rgba(255,255,255,.06);
  color: #fff; font-size: 1rem;
}
.hero-search input::placeholder { color: rgba(255,255,255,.4); }
.hero-search input:focus { outline: none; border-color: var(--ca-red); background: rgba(255,255,255,.1); }
.hero-search .search-icon { position: absolute; left: 1rem; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,.4); }
.hero + .section { padding-top: 2.5rem; }

/* Sections */
.section { padding: 4rem 0; }
.section-alt { background: var(--ca-bg-alt); }
.section-title { font-size: 1.75rem; font-weight: 700; letter-spacing: -.02em; margin-bottom: .5rem; text-align: center; }
.section-subtitle { color: var(--ca-text-muted); margin-bottom: 2rem; text-align: center; display: block; width: 100%; }

/* Site-wide centered headings & intro paragraphs */
.calc-hero { text-align: center; }
.calc-hero .breadcrumb-ca {
  display: flex; flex-wrap: wrap; justify-content: center;
  font-size: .9rem;
  --bs-breadcrumb-divider-color: rgba(255,255,255,.7);
  --bs-breadcrumb-item-active-color: rgba(255,255,255,.9);
  margin-bottom: .75rem;
}
.calc-hero .breadcrumb-ca a {
  color: rgba(255,255,255,.92);
  font-weight: 500;
}
.calc-hero .breadcrumb-ca a:hover { color: #fff; }
.calc-hero .breadcrumb-ca .breadcrumb-item.active {
  color: rgba(255,255,255,.85);
  font-weight: 500;
}
.calc-hero p,
.calc-hero .calc-hero-desc {
  margin: .5rem auto 0;
  max-width: 640px;
  text-align: center;
  color: rgba(255,255,255,.85);
  opacity: 1;
}
main h1, main h2:not(.faq-question), main h3 { text-align: center; }
main .section > .container > p:not(.section-subtitle):not(.faq-answer),
article .content-section { text-align: left; }
article .content-section h2,
article .content-section h3 { text-align: center; }
article .content-section p { text-align: left; }
article .content-section ul,
article .content-section ol { text-align: left; display: inline-block; margin: 0 auto 1rem; }
.blog-card-body { text-align: center; }
article .breadcrumb-ca {
  display: flex; flex-wrap: wrap; justify-content: center;
}
.section .container > .d-flex.flex-wrap { justify-content: center; }
.newsletter-box .col-lg-7 { text-align: center; }

/* Keep forms, tools & FAQ answers left-aligned for usability */
.calc-tool, .calc-tool .form-label,
.faq-question, .faq-answer,
.steps-list, .steps-list li,
.formula-box,
.newsletter-box form, .newsletter-box .col-lg-5,
.result-panel,
.site-footer,
main .section ul { text-align: left; }

/* Cards */
.calc-card {
  display: block; background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); padding: 1.25rem; height: 100%;
  transition: all var(--ca-transition); color: var(--ca-text); text-align: center;
}
.calc-card:hover {
  border-color: var(--ca-red); transform: translateY(-2px);
  box-shadow: var(--ca-shadow-md); color: var(--ca-text); text-decoration: none;
}
.calc-card-icon {
  width: 44px; height: 44px; border-radius: var(--ca-radius);
  background: rgba(204,20,23,.1); color: var(--ca-red);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; margin: 0 auto .875rem;
}
.calc-card h3 { font-size: 1rem; font-weight: 600; margin: 0 0 .35rem; }
.calc-card p { font-size: .85rem; color: var(--ca-text-muted); margin: 0; line-height: 1.5; }

/* Related section on calculator pages */
.related-section {
  margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--ca-border);
}
.calc-guide p a { text-decoration: underline; text-underline-offset: 2px; }
.calc-guide h2 { margin-top: 1.75rem; }
.calc-guide h2:first-child { margin-top: 0; }
.related-heading {
  font-size: 1.35rem; font-weight: 700; text-align: center; margin-bottom: .25rem;
}
.related-sub {
  font-size: .875rem; color: var(--ca-text-muted); text-align: center; margin-bottom: 1.25rem;
}
.related-calc-card { height: auto; }
.related-calc-card p { text-align: center; }
.related-articles-list { display: flex; flex-direction: column; gap: .75rem; }
.related-article-card {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: .75rem; padding: 1.25rem 1rem;
  background: var(--ca-bg-card);
  border: 1px solid var(--ca-border); border-radius: var(--ca-radius-lg);
  color: var(--ca-text); text-decoration: none;
  transition: all var(--ca-transition);
}
.related-article-card:hover {
  border-color: var(--ca-red); transform: translateY(-2px);
  box-shadow: var(--ca-shadow-md); color: var(--ca-text);
}
.related-article-card .calc-card-icon { margin: 0 auto; flex-shrink: 0; }
.related-article-body { flex: 1; min-width: 0; text-align: center; width: 100%; }
.related-article-body h3 {
  font-size: .95rem; font-weight: 600; margin: 0 0 .35rem; line-height: 1.35; text-align: center;
}
.related-article-body p {
  font-size: .8rem; color: var(--ca-text-muted); margin: 0; line-height: 1.45; text-align: center;
}
.related-block .btn-ca-outline.btn-sm {
  font-size: .8rem; padding: .45rem 1rem;
}

/* Stacked mini-calculators (percentage page) */
.calc-mini-block {
  background: var(--ca-bg-alt); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); padding: 1.25rem; margin-bottom: 1rem;
}
.calc-mini-title {
  font-size: 1rem; font-weight: 700; margin: 0 0 .75rem; text-align: left;
}
.pct-phrase {
  display: flex; flex-wrap: wrap; align-items: center; gap: .5rem .65rem;
  text-align: left; margin-bottom: .75rem;
}
.pct-word { font-size: .9rem; color: var(--ca-text); white-space: nowrap; }
.pct-suffix { font-size: .9rem; font-weight: 600; color: var(--ca-text-muted); margin-left: .15rem; }
.pct-inline-input {
  width: 5.5rem !important; min-width: 4rem; padding: .4rem .55rem !important;
  text-align: center; display: inline-block;
}
.pct-eq { font-size: 1.1rem; font-weight: 700; color: var(--ca-red); min-width: 3rem; }
.pct-field-row { display: flex; align-items: center; gap: .65rem; margin-bottom: .5rem; flex-wrap: wrap; }
.pct-field-row label { font-size: .875rem; font-weight: 600; min-width: 4.5rem; margin: 0; text-align: left; }
.calc-mini-result {
  background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius); padding: .75rem 1rem; text-align: left;
}
.calc-mini-answer { font-size: 1.35rem; font-weight: 800; color: var(--ca-red); }
.calc-mini-detail { font-size: .85rem; color: var(--ca-text-muted); margin: .25rem 0 0; }
.calc-mini-steps {
  margin: .65rem 0 0; padding-left: 1.25rem; font-size: .8rem;
  color: var(--ca-text-muted); text-align: left;
}
.calc-mini-steps li { margin-bottom: .2rem; }
@media (max-width: 575px) {
  .pct-inline-input { width: 4.5rem !important; }
  .pct-phrase { gap: .4rem; }
}

/* Factor calculator */
.factor-pairs-list {
  list-style: none; padding: 0; margin: .5rem 0 0; text-align: left;
}
.factor-pairs-list li {
  display: flex; align-items: center; gap: .65rem;
  padding: .35rem 0; font-size: .9rem;
}
.factor-pair-num {
  display: inline-flex; width: 1.6rem; height: 1.6rem; flex-shrink: 0;
  background: var(--ca-red); color: #fff; border-radius: 50%;
  align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 700;
}
.factor-tree {
  font-family: ui-monospace, monospace; font-size: .85rem;
  background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius); padding: 1rem; overflow-x: auto; text-align: left;
}
.factor-tree-node { display: flex; flex-direction: column; align-items: center; }
.factor-tree-val {
  font-weight: 700; padding: .2rem .5rem; border: 1px solid var(--ca-border);
  border-radius: 4px; background: #fff; margin-bottom: .35rem;
}
.factor-tree-kids {
  display: flex; gap: 1.5rem; position: relative; padding-top: .5rem;
}
.factor-tree-kids::before {
  content: ''; position: absolute; top: 0; left: 15%; right: 15%;
  height: 1px; background: var(--ca-border);
}
.factor-tree-leaf {
  font-weight: 700; color: var(--ca-red); padding: .2rem .45rem;
  border: 1px dashed var(--ca-red); border-radius: 4px;
}
.calc-mini-block textarea.form-control { font-size: .9rem; }

/* Simplify calculator advanced section */
.simp-advanced-section {
  background: var(--ca-bg-alt); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); padding: 1.25rem; margin-top: 1.5rem;
}
.simp-advanced-title { font-size: 1rem; font-weight: 700; margin: 0 0 1rem; text-align: left; }
.simp-expr-row { display: flex; gap: .65rem; margin-bottom: .75rem; }
.simp-expr-row .form-control { flex: 1; }
.simp-expr-row .btn-ca { flex-shrink: 0; padding: .5rem 1.25rem; }
.simp-sym-pad { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .75rem; }
.simp-sym-btn {
  font-size: .75rem; padding: .3rem .55rem; border: 1px solid var(--ca-border);
  border-radius: 6px; background: #fff; cursor: pointer;
}
.simp-sym-btn:hover { border-color: var(--ca-red); color: var(--ca-red); }
.simp-try-label { font-size: .8rem; font-weight: 600; margin: 0 0 .4rem; text-align: left; }
.simp-try-pills { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .75rem; }
.simp-try-pill {
  font-size: .75rem; padding: .3rem .65rem; border-radius: 999px;
  border: 1px solid var(--ca-border); background: #fff; cursor: pointer;
}
.simp-try-pill:hover { border-color: var(--ca-red); color: var(--ca-red); }
.simp-result-label { font-size: .7rem; font-weight: 700; color: var(--ca-text-muted); letter-spacing: .05em; margin: 0 0 .25rem; text-align: left; }
.simp-decimal-box {
  display: inline-block; background: var(--ca-bg-alt); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius); padding: .35rem .75rem; font-size: .85rem; margin-top: .5rem;
}
.simp-worked-section { text-align: left; }
.simp-worked-label { font-size: .7rem; font-weight: 700; color: var(--ca-text-muted); letter-spacing: .08em; margin: 0; }
.simp-worked-title { font-size: 1.15rem; font-weight: 700; margin: .25rem 0 .5rem; }
.simp-example-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: .75rem; margin-top: 1rem;
}
.simp-example-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: .35rem;
  padding: .85rem; border: 1px solid var(--ca-border); border-radius: var(--ca-radius);
  background: #fff; cursor: pointer; text-align: left; transition: border-color var(--ca-transition);
}
.simp-example-card:hover { border-color: var(--ca-red); }
.simp-example-cat { font-size: .65rem; font-weight: 700; color: var(--ca-red); letter-spacing: .04em; }
.simp-example-expr { font-size: .9rem; font-weight: 600; }
.simp-example-res { font-size: .8rem; color: #2d8a4e; font-weight: 600; }

/* Pythagorean calculator */
.pyth-side-row {
  display: flex; align-items: center; gap: .5rem; margin-bottom: .5rem; flex-wrap: wrap;
}
.pyth-side-row label { font-weight: 600; min-width: 2rem; margin: 0; font-size: .9rem; }
.pyth-coef { width: 5rem !important; flex-shrink: 0; }
.pyth-rad { width: 5rem !important; flex-shrink: 0; }
.pyth-sqrt { font-size: 1.1rem; font-weight: 700; color: var(--ca-text-muted); }
.pyth-triple-pills { display: flex; flex-wrap: wrap; gap: .4rem; }
.quad-graph { width: 100%; max-width: 320px; min-height: 220px; background: var(--ca-bg-card); border: 1px solid var(--ca-border); border-radius: var(--ca-radius); display: block; }
.disc-rules-list { text-align: left; font-size: .875rem; margin: 0; padding-left: 1.25rem; }
.disc-rules-list li { margin-bottom: .35rem; }

.avg-radio-row {
  display: flex; gap: 1.25rem; flex-wrap: wrap; text-align: left;
}
.avg-radio-row label {
  font-size: .875rem; display: flex; align-items: center; gap: .4rem; cursor: pointer;
}
.stats-table {
  width: 100%; border-collapse: collapse; font-size: .875rem; margin: .5rem 0; text-align: left;
}
.stats-table th, .stats-table td {
  border: 1px solid var(--ca-border); padding: .45rem .65rem;
}
.stats-table thead th, .stats-table tbody th {
  background: var(--ca-bg-alt); font-weight: 600; text-align: left;
}
.stats-table thead th { background: var(--ca-red); color: #fff; }

.sd-error-track {
  position: relative; height: 18px; background: #e8eef5; border-radius: 4px; min-width: 120px;
}
.sd-error-bar {
  position: absolute; top: 50%; height: 4px; background: var(--ca-red); border-radius: 2px;
  transform: translateY(-50%);
}
.sd-error-mean {
  position: absolute; top: 2px; bottom: 2px; width: 2px; background: #1a1a1a; transform: translateX(-50%);
}
.sip-year-scroll { max-height: 220px; overflow-y: auto; margin-top: .5rem; }
.sip-split-bar { display: flex; height: 10px; border-radius: 5px; overflow: hidden; margin: .5rem 0; }
.sip-split-inv { background: #6c757d; }
.sip-split-gain { background: var(--ca-red); }
.stm-progress-wrap { position: relative; width: 90px; height: 90px; margin: 0 auto .5rem; }
.stm-progress-ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.stm-ring-bg { fill: none; stroke: #e8eef5; stroke-width: 8; }
.stm-ring-fg { fill: none; stroke: var(--ca-red); stroke-width: 8; stroke-linecap: round; }
.stm-progress-pct { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1rem; color: var(--ca-red); }
.sb-preset-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .5rem; }
.sb-preset-btn { font-size: .75rem; padding: .25rem .55rem; border: 1px solid var(--ca-border); border-radius: 999px; background: #fff; cursor: pointer; }
.sb-preset-btn:hover, .sb-preset-btn.active { border-color: var(--ca-red); color: var(--ca-red); background: #fff5f5; }
.rl-grid-wrap { margin: .5rem 0; }
.rl-grid-row { display: flex; justify-content: center; gap: .35rem; margin-bottom: .35rem; }
.rl-grid-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--ca-red); opacity: .85; }
.rl-grid-dot.off { background: #e8eef5; opacity: .4; }

.category-pill {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .5rem 1rem; border-radius: 2rem;
  background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  color: var(--ca-text); font-size: .875rem; font-weight: 500;
  transition: all var(--ca-transition);
}
.category-pill:hover { border-color: var(--ca-red); color: var(--ca-red); text-decoration: none; }

/* Stats */
.stat-item { text-align: center; }
.stat-number { font-size: 2.25rem; font-weight: 800; color: var(--ca-red); line-height: 1; }
.stat-label { font-size: .875rem; color: var(--ca-text-muted); margin-top: .35rem; }

/* Calculator page */
.calc-hero {
  background: var(--ca-gradient-hero); color: #fff; padding: 3rem 0 2.5rem;
}
.calc-hero h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 800; letter-spacing: -.02em; }
.calc-tool {
  background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); padding: 1.5rem; margin-bottom: 1.5rem;
}
.calc-tool .form-label { font-weight: 600; font-size: .875rem; }
.calc-tool .form-control, .calc-tool .form-select {
  border-color: var(--ca-border); background: var(--ca-input-bg); color: var(--ca-text);
  border-radius: var(--ca-radius); padding: .625rem .875rem;
}
.calc-tool .form-control:focus, .calc-tool .form-select:focus {
  border-color: var(--ca-red); box-shadow: 0 0 0 3px rgba(204,20,23,.15);
}
.result-panel {
  background: var(--ca-bg-alt); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); padding: 1.5rem;
  max-width: 100%; overflow-x: auto; overflow-wrap: anywhere;
}
.result-primary {
  font-size: 2rem; font-weight: 800; color: var(--ca-red); line-height: 1.2;
  overflow-wrap: anywhere; word-break: break-word;
}
.result-long-num {
  font-size: 1.1rem; line-height: 1.45;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.result-panel .result-meta,
.result-panel p {
  overflow-wrap: anywhere; word-break: break-word;
}
.result-panel--bignum .result-primary { font-size: 1rem; }
.result-panel--bignum .result-meta,
.result-panel--bignum .steps-list li {
  font-size: .8rem; line-height: 1.5;
}
.section .row > [class*="col-"] { min-width: 0; }
.result-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin-top: 1rem; margin-bottom: 0; }
.result-actions #btnReset { flex: 1 1 100%; margin-top: .15rem; }
.calc-sidebar-col { display: flex; flex-direction: column; gap: 1.25rem; }
.calc-sidebar-col > .result-actions { margin-top: 0; }
@media (min-width: 992px) {
  .calc-main-row { align-items: flex-start; }
  .calc-sidebar-col {
    position: sticky; top: 1rem; align-self: flex-start;
  }
}
.formula-panel { margin-top: 0; }
.calc-insight-panel { margin-top: 0; }
.calc-insight-card {
  background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); padding: 1.1rem 1.25rem; margin-bottom: 1rem;
}
.calc-insight-card:last-child { margin-bottom: 0; }
.calc-insight-title {
  font-size: .85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .05em; color: var(--ca-text-muted); margin: 0 0 .75rem; text-align: center;
}
.insight-bar { display: flex; height: 12px; border-radius: 999px; overflow: hidden; background: var(--ca-bg-alt); }
.insight-bar-seg { height: 100%; min-width: 2px; transition: width .3s ease; }
.insight-legend { display: flex; flex-wrap: wrap; gap: .5rem .75rem; margin-top: .65rem; font-size: .75rem; color: var(--ca-text-muted); }
.insight-legend-item { display: inline-flex; align-items: center; gap: .35rem; }
.insight-legend-item i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; flex-shrink: 0; }
.insight-steps { margin: 0; padding-left: 1.15rem; font-size: .875rem; color: var(--ca-text-muted); }
.insight-steps li { margin-bottom: .45rem; }
.insight-steps li:last-child { margin-bottom: 0; }
.stats-table.compact td, .stats-table.compact th { padding: .35rem .5rem; font-size: .8rem; }
.calc-insight-card a { text-decoration: underline; text-underline-offset: 2px; }
.btn-ca {
  background: var(--ca-gradient-red); color: #fff; border: none;
  padding: .625rem 1.25rem; border-radius: var(--ca-radius);
  font-weight: 600; font-size: .875rem; cursor: pointer;
  transition: opacity var(--ca-transition);
}
.btn-ca:hover { opacity: .9; color: #fff; }
.btn-ca-outline {
  background: transparent; color: var(--ca-text); border: 1px solid var(--ca-border);
  padding: .625rem 1.25rem; border-radius: var(--ca-radius);
  font-weight: 500; font-size: .875rem; cursor: pointer;
  transition: all var(--ca-transition);
}
.btn-ca-outline:hover { border-color: var(--ca-red); color: var(--ca-red); }
.steps-list { counter-reset: step; list-style: none; padding: 0; }
.steps-list li {
  counter-increment: step; padding: .75rem 0 .75rem 2.5rem;
  position: relative; border-bottom: 1px solid var(--ca-border);
  overflow-wrap: anywhere; word-break: break-word;
}
.steps-list li::before {
  content: counter(step); position: absolute; left: 0; top: .75rem;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  background: var(--ca-red); color: #fff; font-size: .75rem; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.formula-box {
  background: var(--ca-black); color: #fff; padding: 1.25rem;
  border-radius: var(--ca-radius); font-family: 'Courier New', monospace;
  font-size: 1rem; overflow-x: auto;
}
.formula-panel {
  background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); padding: 1.25rem;
}
.formula-panel-title {
  font-size: .8rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .06em; color: var(--ca-text-muted); margin: 0 0 .75rem; text-align: center;
}
.formula-panel .formula-box {
  background: var(--ca-bg-alt); color: var(--ca-text);
  border: 1px solid var(--ca-border); font-family: inherit;
  font-size: .875rem; line-height: 1.65; padding: 1rem 1.1rem; margin: 0;
}
.formula-panel .formula-box strong { color: var(--ca-red); font-weight: 600; }

/* Fraction Calculator — multi-mode UI */
.frac-mode-tabs {
  display: flex; flex-wrap: wrap; gap: .35rem;
  border-bottom: 1px solid var(--ca-border); padding-bottom: .75rem;
}
.frac-mode-tab {
  background: var(--ca-bg-alt); border: 1px solid var(--ca-border);
  color: var(--ca-text-muted); padding: .4rem .75rem; border-radius: var(--ca-radius);
  font-size: .75rem; font-weight: 600; cursor: pointer;
  transition: all var(--ca-transition);
}
.frac-mode-tab:hover { border-color: var(--ca-red); color: var(--ca-red); }
.frac-mode-tab.active {
  background: var(--ca-red); border-color: var(--ca-red); color: #fff;
}
.frac-op-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: .35rem; }
.frac-op-tab {
  background: var(--ca-bg-alt); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius); padding: .5rem .25rem; cursor: pointer;
  text-align: center; transition: all var(--ca-transition);
}
.frac-op-tab:hover { border-color: var(--ca-red); }
.frac-op-tab.active {
  background: var(--ca-red); border-color: var(--ca-red); color: #fff;
}
.frac-op-sym { display: block; font-size: 1.1rem; font-weight: 700; line-height: 1.2; }
.frac-op-lbl { display: block; font-size: .65rem; opacity: .85; margin-top: .1rem; }
.frac-calc-row {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 1rem;
}
.frac-calc-op {
  font-size: 1.75rem; font-weight: 800; color: var(--ca-red);
  min-width: 2rem; text-align: center;
}
.frac-input-visual {
  display: flex; align-items: center; gap: .5rem;
}
.frac-whole-wrap { text-align: center; }
.frac-whole-wrap .frac-whole { width: 3.5rem; text-align: center; padding: .5rem; }
.frac-whole-wrap small { display: block; font-size: .65rem; margin-top: .15rem; }
.frac-stack { display: flex; flex-direction: column; align-items: stretch; }
.frac-stack .frac-num, .frac-stack .frac-den {
  width: 4.5rem; text-align: center; padding: .45rem .5rem;
}
.frac-bar {
  display: block; height: 2px; background: var(--ca-text);
  margin: .15rem 0; border-radius: 1px;
}
.frac-field-group { flex: 1; min-width: 140px; }
@media (max-width: 575px) {
  .frac-calc-row { flex-direction: column; }
  .frac-calc-op { transform: rotate(90deg); margin: -.25rem 0; }
  .frac-mode-tab { font-size: .7rem; padding: .35rem .5rem; }
}
.content-section { margin-bottom: 2.5rem; text-align: center; }
.content-section h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; }
.content-section h3 { font-size: 1.15rem; font-weight: 600; margin: 1.5rem 0 .75rem; }

/* Breadcrumb */
.breadcrumb-ca {
  background: transparent; padding: 0; margin-bottom: 1rem; font-size: .875rem;
}
.breadcrumb-ca a { color: rgba(255,255,255,.6); }
.breadcrumb-ca a:hover { color: #fff; }
.breadcrumb-ca .active { color: rgba(255,255,255,.4); }
.breadcrumb-light a { color: var(--ca-text-muted); }
.breadcrumb-light .active { color: var(--ca-text-muted); }

/* FAQ */
.faq-item { border: 1px solid var(--ca-border); border-radius: var(--ca-radius); margin-bottom: .75rem; overflow: hidden; }
.faq-question {
  width: 100%; text-align: left; background: var(--ca-bg-card); border: none;
  padding: 1rem 1.25rem; font-weight: 600; color: var(--ca-text);
  cursor: pointer; display: flex; justify-content: space-between; align-items: center;
}
.faq-answer { padding: 0 1.25rem 1rem; color: var(--ca-text-muted); display: none; }
.faq-item.open .faq-answer { display: block; }
.faq-answer a { text-decoration: underline; text-underline-offset: 2px; }

.internal-links-intro p,
.internal-links-callout p,
.internal-links-hero { color: var(--ca-text-muted); line-height: 1.7; }
.internal-links-intro a,
.internal-links-callout a,
.internal-links-hero a { text-decoration: underline; text-underline-offset: 2px; }
.content-section p a,
main .section .container p a:not(.btn-ca):not(.btn-ca-outline) { text-decoration: underline; text-underline-offset: 2px; }

/* Footer */
.site-footer {
  background: var(--ca-black); color: rgba(255,255,255,.7);
  padding: 4rem 0 2rem; margin-top: auto;
  position: relative; z-index: 2;
}
.site-footer h5 { color: #fff; font-size: .9rem; font-weight: 700; margin-bottom: 1rem; }
.site-footer .footer-brand {
  display: inline-flex; align-items: center; gap: .625rem;
  font-weight: 800; font-size: 1.35rem; color: #fff !important;
  letter-spacing: -.02em; text-decoration: none; margin-bottom: 1rem;
}
.site-footer .footer-brand:hover { color: #fff !important; opacity: .92; }
.site-footer .footer-brand .brand-accent { color: var(--ca-red); }
.site-footer .footer-brand .brand-logo { flex-shrink: 0; display: block; }
.site-footer a:not(.footer-brand) { color: rgba(255,255,255,.6); font-size: .875rem; display: block; padding: .25rem 0; }
.site-footer a:not(.footer-brand):hover { color: var(--ca-red); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding-top: 2rem; margin-top: 2rem; font-size: .8rem; }

/* Blog */
.blog-card {
  background: var(--ca-bg-card); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius-lg); overflow: hidden; height: 100%;
  transition: all var(--ca-transition); text-align: center;
}
.blog-card:hover { border-color: var(--ca-red); transform: translateY(-2px); box-shadow: var(--ca-shadow-md); }
.blog-card-body { padding: 1.25rem; }
.blog-card h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: .5rem; }
.blog-meta { font-size: .8rem; color: var(--ca-text-muted); }

/* Back to top */
.back-to-top {
  position: fixed; bottom: 1.5rem; right: 1.5rem; z-index: 100;
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--ca-red); color: #fff; border: none;
  display: none; align-items: center; justify-content: center;
  cursor: pointer; box-shadow: var(--ca-shadow-md);
  transition: opacity var(--ca-transition);
}
.back-to-top.visible { display: flex; }

/* Chart container */
.chart-container { position: relative; height: 280px; margin: 1rem 0; }

/* Newsletter */
.newsletter-box {
  background: var(--ca-gradient-hero); color: #fff;
  border-radius: var(--ca-radius-lg); padding: 2.5rem;
}
.newsletter-box input {
  border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.08);
  color: #fff; border-radius: var(--ca-radius); padding: .75rem 1rem;
}
.newsletter-box input::placeholder { color: rgba(255,255,255,.4); }

/* Directory */
.dir-toolbar {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1rem;
}
.dir-toolbar .alpha-index { flex: 1 1 auto; }
.dir-search { max-width: 320px; flex: 0 1 320px; margin-left: auto; }
@media (max-width: 575.98px) {
  .dir-search { max-width: 100%; flex: 1 1 100%; margin-left: 0; }
}
.dir-letter-group { margin-bottom: 2.5rem; }
.dir-letter-group:last-child { margin-bottom: 0; }
.dir-letter-heading {
  font-size: 1.1rem; font-weight: 700; text-align: center;
  margin: 0 0 1rem; color: var(--ca-text); letter-spacing: .04em;
}
.alpha-index a {
  display: inline-block; width: 2.25rem; height: 2.25rem; line-height: 2.25rem;
  text-align: center; border-radius: var(--ca-radius); font-weight: 600;
  color: var(--ca-text); transition: all var(--ca-transition);
}
.alpha-index a:hover, .alpha-index a.active { background: var(--ca-red); color: #fff; text-decoration: none; }

/* Validation */
.is-invalid-field { border-color: #dc3545 !important; }
.field-error { color: #dc3545; font-size: .8rem; margin-top: .25rem; }

/* Contact page */
.contact-aside .contact-aside-title {
  font-size: 1.05rem; font-weight: 600; margin: 1.75rem 0 .75rem;
}
.contact-aside .contact-help-list {
  text-align: left; padding-left: 1.2rem; margin: 0;
  color: var(--ca-text-muted); font-size: .9rem;
}
.contact-aside .contact-help-list li { margin-bottom: .45rem; }
.contact-aside .calc-card {
  height: auto;
  display: block;
}
.contact-aside .calc-card:hover {
  transform: none;
  box-shadow: var(--ca-shadow);
  border-color: var(--ca-border);
}
.contact-aside .calc-card h3 { text-align: left; }

/* Print */
@media print {
  .site-header, .site-footer, .back-to-top, .result-actions, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
}

/* Responsive */
@media (max-width: 991.98px) {
  .hero { padding: 2.25rem 0 1.75rem; }
  .section { padding: 3rem 0; }
  .site-header .navbar-collapse {
    background: #fff;
    padding: .75rem 0 1rem;
  }
}
@media (max-width: 767.98px) {
  .hero h1, .hero .lead { white-space: normal; }
}
@media (max-width: 575.98px) {
  .hero { padding: 2rem 0 1.5rem; }
  .hero + .section { padding-top: 2rem; }
  .result-primary { font-size: 1.5rem; }
}

/* Wordle solver — compact layout */
.wordle-solver-wrap.calc-tool { padding: 1rem 1.1rem; margin-bottom: .75rem; }
.wordle-solver-title { font-size: .95rem; font-weight: 700; margin: 0 0 .35rem; }
.wordle-solver-wrap > .small { margin-bottom: .65rem !important; font-size: .78rem !important; }
.wordle-solver-row {
  display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
  gap: .85rem; align-items: start;
}
.wordle-solver-left { min-width: 0; }
.wordle-solver-right {
  background: var(--ca-bg-alt); border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius); padding: .65rem .75rem;
}
.wordle-suggest-title { font-size: .85rem; font-weight: 700; margin: 0 0 .45rem; }
.wordle-suggest-panel { max-height: none; }
.wordle-suggest-panel .calc-mini-answer { font-size: 1.1rem; }
.wordle-suggest-panel .calc-mini-detail { font-size: .75rem; margin-bottom: .35rem; }
.wordle-insights-panel {
  margin-top: .65rem; padding-top: .65rem; border-top: 1px solid var(--ca-border);
  max-height: 340px; overflow-y: auto;
}
.wordle-insight-block { margin-bottom: .65rem; }
.wordle-insight-block:last-child { margin-bottom: 0; }
.wordle-insight-block h5 {
  font-size: .72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .04em; color: var(--ca-text-muted); margin: 0 0 .35rem;
}
.wordle-guess-list {
  list-style: none; padding: 0; margin: 0; font-size: .75rem;
}
.wordle-guess-list li { display: flex; align-items: center; gap: .35rem; padding: .15rem 0; }
.wordle-guess-num { color: var(--ca-text-muted); min-width: 1.1rem; }
.wordle-dot {
  display: inline-block; width: .55rem; height: .55rem; border-radius: 2px;
}
.wordle-dot.wordle-green { background: #6aaa64; }
.wordle-dot.wordle-yellow { background: #c9b458; }
.wordle-dot.wordle-gray { background: #787c7e; }
.wordle-clue-line { font-size: .75rem; margin: 0 0 .25rem; line-height: 1.4; }
.wordle-clue-tag {
  display: inline-block; font-size: .65rem; font-weight: 700; padding: .1rem .35rem;
  border-radius: 3px; color: #fff; margin-right: .25rem; vertical-align: middle;
}
.wordle-clue-tag.green { background: #6aaa64; }
.wordle-clue-tag.yellow { background: #c9b458; }
.wordle-clue-tag.gray { background: #787c7e; }
.wordle-clue-empty { font-size: .72rem; color: var(--ca-text-muted); margin: 0; }
.wordle-pattern {
  display: block; font-size: .95rem; font-weight: 800; letter-spacing: .2em;
  padding: .35rem .5rem; background: var(--ca-bg-card); border-radius: 4px;
  border: 1px solid var(--ca-border); text-align: center;
}
.wordle-freq-list { display: flex; flex-direction: column; gap: .2rem; }
.wordle-freq-row { display: flex; align-items: center; gap: .35rem; font-size: .7rem; }
.wordle-freq-ch { font-weight: 800; width: .85rem; text-align: center; }
.wordle-freq-track {
  flex: 1; height: .45rem; background: var(--ca-bg-card); border-radius: 2px; overflow: hidden;
}
.wordle-freq-fill { display: block; height: 100%; background: var(--ca-red); border-radius: 2px; }
.wordle-freq-val { color: var(--ca-text-muted); min-width: 2rem; text-align: right; font-size: .65rem; }
.wordle-tip { font-size: .72rem; margin: 0; line-height: 1.45; color: var(--ca-text-muted); }
.wordle-tip strong { color: var(--ca-red); }
.wordle-btns {
  display: flex; gap: .4rem; flex-wrap: wrap; justify-content: center;
  max-width: 300px; margin: .35rem auto 0;
}
.wordle-btn-submit,
.wordle-btn-action {
  flex: 0 0 auto; padding: .45rem .75rem; border-radius: 6px;
  font-weight: 600; font-size: .78rem; line-height: 1.2; cursor: pointer;
  white-space: nowrap;
}
.wordle-btn-submit {
  border: none; color: #fff; background: #9a9a9a;
  transition: background .15s;
}
.wordle-btn-submit.is-ready {
  background: var(--ca-gradient-red); box-shadow: 0 1px 4px rgba(204, 20, 23, .3);
}
.wordle-btn-submit.is-ready:hover { opacity: .92; }
.wordle-btn-submit[aria-disabled="true"] { cursor: not-allowed; opacity: .8; }
.wordle-btn-action {
  background: #fff; color: var(--ca-text); border: 1px solid var(--ca-border);
}
.wordle-btn-action:hover { border-color: var(--ca-red); color: var(--ca-red); }
.wordle-hint { font-size: .72rem !important; margin: .25rem 0 .15rem !important; text-align: center; }
.wordle-grid {
  display: grid; grid-template-columns: repeat(5, 1fr); gap: .28rem;
  max-width: 300px; margin: 0 auto;
}
.wordle-tile {
  aspect-ratio: 1; border: 1.5px solid var(--ca-border); border-radius: 3px;
  background: #fff; font-weight: 800; font-size: .95rem; text-transform: uppercase;
  display: flex; align-items: center; justify-content: center; cursor: pointer; padding: 0;
  min-height: 0;
}
.wordle-tile.locked { cursor: default; }
.wordle-tile.wordle-gray { background: #787c7e; border-color: #787c7e; color: #fff; }
.wordle-tile.wordle-yellow { background: #c9b458; border-color: #c9b458; color: #fff; }
.wordle-tile.wordle-green { background: #6aaa64; border-color: #6aaa64; color: #fff; }
.wordle-keyboard { max-width: 300px; margin: .5rem auto 0; }
.wordle-kb-row { display: flex; justify-content: center; gap: .2rem; margin-bottom: .28rem; }
.wordle-key {
  min-width: 1.65rem; height: 2rem; padding: 0 .3rem; border: none; border-radius: 3px;
  background: #d3d6da; font-weight: 700; font-size: .68rem; cursor: pointer;
}
.wordle-key.wide { min-width: 2.2rem; font-size: .6rem; }
.wordle-key.wordle-gray { background: #787c7e; color: #fff; }
.wordle-key.wordle-yellow { background: #c9b458; color: #fff; }
.wordle-key.wordle-green { background: #6aaa64; color: #fff; }
.wordle-suggest-grid {
  display: flex; flex-wrap: wrap; gap: .3rem; margin-top: .35rem;
}
.wordle-suggest {
  display: inline-block; padding: .25rem .45rem; border: 1.5px solid #6aaa64;
  border-radius: 3px; font-weight: 700; font-size: .72rem; letter-spacing: .04em;
  background: rgba(106, 170, 100, .1); cursor: pointer; font-family: inherit;
}
.wordle-suggest:hover { background: rgba(106, 170, 100, .25); }
.wordle-suggest small { display: block; font-size: .58rem; color: var(--ca-text-muted); font-weight: 600; }
#wordleSolverMount .calc-mini-block { padding: .85rem 1rem; margin-top: .75rem; margin-bottom: 0; }
#wordleSolverMount .calc-mini-title { font-size: .9rem; margin-bottom: .5rem; }
@media (max-width: 767.98px) {
  .wordle-solver-row { grid-template-columns: 1fr; }
  .wordle-insights-panel { max-height: 220px; }
}
.wg-table input { min-width: 4rem; }
.wg-table .wg-del { padding: .15rem .45rem; line-height: 1; }

/* Tip calculator */
.tip-preset-row { display: flex; flex-wrap: wrap; gap: .4rem; }
.tip-preset-btn {
  padding: .35rem .7rem; border: 1px solid var(--ca-border); border-radius: 6px;
  background: #fff; font-size: .8rem; font-weight: 600; cursor: pointer;
}
.tip-preset-btn:hover, .tip-preset-btn.active {
  border-color: var(--ca-red); color: var(--ca-red); background: rgba(204, 20, 23, .06);
}

/* TI-84 Plus CE — official emulator + CalculatorAuxo chrome */
.ti84-calc-shell {
  background: transparent; border: none; box-shadow: none; padding: 0;
}
.ti84-main-row { align-items: flex-start; }
.ti84-main-row .col-lg-4,
.ti84-main-row .col-lg-5,
.ti84-main-row .col-xl-5 { position: sticky; top: 1rem; }
.ti84-embed-card {
  text-align: center; width: 100%;
  background: var(--ca-bg-card);
  border: 1px solid var(--ca-border);
  border-top: 3px solid var(--ca-red);
  border-radius: var(--ca-radius-lg);
  box-shadow: var(--ca-shadow-md);
  padding: 1.25rem 1rem 1rem;
  margin-bottom: 1.25rem;
}
.ti84-page-title {
  font-size: 1.35rem; font-weight: 800; text-align: center; margin: 0 0 1rem;
  color: var(--ca-text); letter-spacing: -.02em;
}
.ti84-accent { color: var(--ca-red); }
.ti84-embed-inner {
  background: var(--ca-bg-alt);
  border: 1px solid var(--ca-border);
  border-radius: var(--ca-radius);
  padding: .35rem;
}
.ti84-embed-frame {
  width: 100%; max-width: 600px; min-height: 680px; height: 720px;
  border: none; background: transparent; display: block; margin: 0 auto;
  border-radius: calc(var(--ca-radius) - 2px);
}
.ti84-result-panel {
  border-top: 3px solid var(--ca-red);
}
.ti84-result-hint {
  margin: 0; color: var(--ca-text-muted); font-size: .95rem; line-height: 1.55;
}
.ti84-result-hint strong { color: var(--ca-text); }
.ti84-expr { font-size: .95rem; margin-top: .35rem !important; }
.ti84-typing { color: var(--ca-text-muted); font-size: .95rem; }
.ti84-history-list {
  list-style: none; padding: 0; margin: 1rem 0 0;
  border-top: 1px solid var(--ca-border);
}
.ti84-history-list li {
  padding: .55rem 0; border-bottom: 1px solid var(--ca-border);
  font-size: .875rem; color: var(--ca-text-muted);
}
.ti84-main-row .calc-mini-block {
  border-top: 2px solid rgba(204, 20, 23, .15);
}
.ti84-main-row .calc-mini-block h3 {
  color: var(--ca-text);
}
.ti84-main-row .calc-mini-block h3::before {
  content: '';
  display: inline-block;
  width: 4px; height: 1em;
  background: var(--ca-red);
  border-radius: 2px;
  margin-right: .45rem;
  vertical-align: -.1em;
}
@media (max-width: 991.98px) {
  .ti84-main-row .col-lg-4,
  .ti84-main-row .col-lg-5,
  .ti84-main-row .col-xl-5 { position: static; }
  .ti84-embed-frame { min-height: 620px; height: 680px; }
}

/* Peptide syringe visual */
.pep-syringe-bar {
  height: 12px; background: #eee; border-radius: 6px; overflow: hidden; margin-top: .5rem;
  border: 1px solid var(--ca-border);
}
.pep-syringe-fill {
  height: 100%; background: var(--ca-red); border-radius: 6px 0 0 6px;
  transition: width .2s ease;
}

/* Pokemon type calculator */
.pct-phrase.pk-stack { display: block; }
.pct-phrase.pk-stack > * { margin-bottom: .75rem; }
.pct-phrase.pk-stack > *:last-child { margin-bottom: 0; }
.pk-intro { font-size: .85rem; color: var(--ca-text-muted); margin: 0 0 .75rem; }
.pk-dual-cols {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin-bottom: .75rem;
}
@media (max-width: 767.98px) {
  .pk-dual-cols { grid-template-columns: 1fr; }
}
.pk-col-label {
  display: block; font-size: .8rem; font-weight: 700; margin-bottom: .45rem; color: var(--ca-text);
}
.pk-type-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: .35rem; width: 100%;
}
@media (min-width: 576px) {
  .pk-type-grid { grid-template-columns: repeat(3, 1fr); }
}
.pk-type-btn {
  font-size: .7rem; padding: .35rem .25rem; border: 1px solid rgba(0,0,0,.12);
  border-radius: 6px; background: #fff; cursor: pointer; color: #fff; font-weight: 600;
  text-shadow: 0 1px 2px rgba(0,0,0,.35); text-align: center; line-height: 1.2;
  min-height: 2rem; transition: transform .12s, box-shadow .12s;
}
.pk-type-btn:hover { opacity: .92; transform: translateY(-1px); box-shadow: 0 2px 4px rgba(0,0,0,.1); }
.pk-type-btn.active { outline: 2px solid var(--ca-red); outline-offset: 1px; box-shadow: 0 0 0 1px #fff inset; }
.pk-type-btn.pk-slot1:not(.active) { box-shadow: inset 0 0 0 2px #fff, 0 0 0 2px var(--ca-red); }
.pk-type-btn.pk-slot2:not(.active) { box-shadow: inset 0 0 0 2px #fff, 0 0 0 2px #2563eb; }
.pk-type-btn.pk-none { background: #f0f0f0; color: var(--ca-text); text-shadow: none; grid-column: span 3; }
.pk-atk-quick {
  display: flex; flex-wrap: wrap; gap: .35rem;
}
.pk-quick-btn {
  font-size: .68rem; padding: .25rem .5rem; border: 1px solid rgba(0,0,0,.12);
  border-radius: 999px; color: #fff; font-weight: 600; cursor: pointer;
  text-shadow: 0 1px 1px rgba(0,0,0,.3); transition: transform .1s;
}
.pk-quick-btn:hover { transform: scale(1.04); }
.pk-quick-btn.active { outline: 2px solid var(--ca-red); outline-offset: 1px; }
.pk-result-row {
  display: flex; flex-wrap: wrap; align-items: flex-start; gap: .35rem .5rem;
  padding: .5rem 0; border-bottom: 1px solid var(--ca-border);
}
.pk-result-row:last-child { border-bottom: none; }
.pk-result-label {
  font-size: .78rem; font-weight: 700; min-width: 9rem; flex-shrink: 0; color: var(--ca-text);
}
.pk-result-badges { display: flex; flex-wrap: wrap; gap: .2rem; flex: 1; }
.pk-result-neutral .pk-neutral-count { font-size: .8rem; color: var(--ca-text-muted); }
.pk-type-badge {
  display: inline-block; padding: .15rem .45rem; border-radius: 4px;
  font-size: .72rem; color: #fff; font-weight: 600;
}
.pk-normal { background: #A8A878; } .pk-fighting { background: #C03028; }
.pk-flying { background: #A890F0; } .pk-poison { background: #A040A0; }
.pk-ground { background: #E0C068; color: #333; } .pk-rock { background: #B8A038; color: #333; }
.pk-bug { background: #A8B820; color: #333; } .pk-ghost { background: #705898; }
.pk-steel { background: #B8B8D0; color: #333; } .pk-fire { background: #F08030; }
.pk-water { background: #6890F0; } .pk-grass { background: #78C850; color: #333; }
.pk-electric { background: #F8D030; color: #333; } .pk-psychic { background: #F85888; }
.pk-ice { background: #98D8D8; color: #333; } .pk-dragon { background: #7038F8; }
.pk-dark { background: #705848; } .pk-fairy { background: #EE99AC; color: #333; }
.pk-chart-scroll { overflow: auto; margin-top: .5rem; max-height: 420px; }
.pk-chart-table { font-size: .62rem; border-collapse: separate; border-spacing: 0; width: max-content; min-width: 100%; }
.pk-chart-table th, .pk-chart-table td {
  padding: .22rem .2rem; text-align: center; border: 1px solid var(--ca-border); min-width: 1.6rem;
}
.pk-chart-table thead th { position: sticky; top: 0; z-index: 2; }
.pk-chart-table tbody th { position: sticky; left: 0; z-index: 1; }
.pk-chart-table .pk-corner { position: sticky; left: 0; top: 0; z-index: 3; background: #fff; }
.pk-chart-table .pk-th { font-weight: 700; color: #fff; font-size: .58rem; white-space: nowrap; }
.pk-cell.pk-m0 { background: #333; color: #fff; font-weight: 700; }
.pk-cell.pk-m05 { background: #e8f5e9; color: #2e7d32; font-weight: 600; }
.pk-cell.pk-m2 { background: #ffebee; color: #c62828; font-weight: 700; }
.pk-cell.pk-m1 { background: #fafafa; color: #bbb; }
.pk-chart-legend { font-size: .75rem; color: var(--ca-text-muted); margin: .5rem 0 0; }
.pk-leg-m2 { color: #c62828; font-weight: 700; }
.pk-leg-m05 { color: #2e7d32; font-weight: 600; }
.pk-leg-m0 { background: #333; color: #fff; padding: 0 .25rem; border-radius: 2px; }

/* Performance + mobile polish */
img[loading="lazy"] { content-visibility: auto; }
.btn-ca, .btn-ca-outline, .btn-search, .faq-question, .navbar-toggler {
  min-height: 44px;
  touch-action: manipulation;
}
.faq-question { width: 100%; text-align: left; }
.content-section img { height: auto; max-width: 100%; }
.blog-meta {
  display: flex; flex-wrap: wrap; gap: .75rem 1.25rem;
  font-size: .875rem; color: var(--ca-text-muted); margin: .5rem 0 .75rem;
}
.blog-faq { margin-top: 2.5rem; }
@media (max-width: 767.98px) {
  .result-actions .btn-ca,
  .result-actions .btn-ca-outline { flex: 1 1 calc(50% - .5rem); min-width: 0; }
  .calc-hero h1 { font-size: clamp(1.5rem, 6vw, 2rem); }
  .content-section { font-size: 1.02rem; }
}

/* AdSense-ready placements — UX-first, never near action buttons */
.ca-ad-slot {
  margin: 2.5rem 0;
  padding: 1rem 0;
  text-align: center;
  clear: both;
}
.ca-ad-label {
  display: block;
  font-size: .7rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ca-text-muted);
  margin-bottom: .5rem;
}
.ca-ad-inner {
  min-height: 90px;
  max-width: 100%;
  margin: 0 auto;
  overflow: hidden;
}
.ca-ad-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  padding: 1rem 1.25rem;
  border: 1px dashed var(--ca-border);
  border-radius: var(--ca-radius);
  background: var(--ca-surface-alt, rgba(0,0,0,.02));
  color: var(--ca-text-muted);
  font-size: .8rem;
  line-height: 1.4;
  pointer-events: none;
  user-select: none;
}
.ca-ad-home-wrap { margin: 1.5rem auto 2rem; }
#relatedContent + .ca-ad-slot { margin-top: 2rem; }
.ca-ad-slot + .content-section,
.ca-ad-slot + #calcPageFaq { margin-top: 2rem; }
.ca-consent-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 1050;
  background: var(--ca-surface);
  border-top: 1px solid var(--ca-border);
  box-shadow: 0 -4px 24px rgba(0,0,0,.08);
  padding: 1rem 1.25rem;
  transition: transform .3s ease, opacity .3s ease;
}
.ca-consent-banner.ca-consent-hidden {
  transform: translateY(100%);
  opacity: 0;
  pointer-events: none;
}
.ca-consent-inner {
  max-width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  justify-content: space-between;
}
.ca-consent-inner p {
  margin: 0;
  flex: 1 1 280px;
  font-size: .875rem;
  color: var(--ca-text-muted);
}
.ca-consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
}
.category-intro p:last-child { margin-bottom: 0; }
@media print {
  .ca-ad-slot, .ca-consent-banner { display: none !important; }
}