/*
 * bowwowpaw — Uber Base component system
 * Consumes tokens from /design-tokens.css
 */

@import url("../design-tokens.css");

/* ========== Typography scale ========== */
h1, h2, h3, h4, h5, h6 {
  margin: 0;
  color: var(--content-primary);
  font-weight: 700;
}

h1 { font: 700 40px/52px var(--font-family-base); letter-spacing: -0.01em; }
h2 { font: 700 28px/36px var(--font-family-base); }
h3 { font: 700 20px/28px var(--font-family-base); }
h4 { font: 700 18px/24px var(--font-family-base); }

.display-lg { font: 700 52px/64px var(--font-family-base); letter-spacing: -0.02em; }
.display-md { font: 700 44px/52px var(--font-family-base); letter-spacing: -0.02em; }
.display-sm { font: 700 36px/44px var(--font-family-base); letter-spacing: -0.01em; }

.text-body    { font: 400 16px/24px var(--font-family-base); color: var(--content-primary); }
.text-body-lg { font: 400 18px/28px var(--font-family-base); color: var(--content-primary); }
.text-body-sm { font: 400 14px/20px var(--font-family-base); color: var(--content-secondary); }
.text-caption { font: 400 12px/20px var(--font-family-base); color: var(--content-tertiary); }

.text-muted    { color: var(--content-secondary); }
.text-tertiary { color: var(--content-tertiary); }

a {
  color: var(--content-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
a:hover { text-decoration-thickness: 2px; }

/* ========== Label ========== */
.label {
  display: block;
  font: 500 14px/16px var(--font-family-base);
  color: var(--content-primary);
  margin-bottom: var(--space-200);
}

.label-sm {
  font: 500 12px/16px var(--font-family-base);
  color: var(--content-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.helper {
  margin-top: var(--space-200);
  font: 400 12px/20px var(--font-family-base);
  color: var(--content-tertiary);
}

/* ========== Layout ========== */
.container {
  width: 100%;
  max-width: var(--container-calculator);
  margin: 0 auto;
  padding: 0 var(--space-600);
}

.container-wide {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-600);
}

.container-reading {
  width: 100%;
  max-width: var(--container-reading);
  margin: 0 auto;
  padding: 0 var(--space-600);
}

@media (min-width: 600px) {
  .container-wide { padding: 0 var(--space-900); }
}
@media (min-width: 1136px) {
  .container-wide { padding: 0 var(--space-1600); }
}

.stack      { display: flex; flex-direction: column; gap: var(--space-600); }
.stack-sm   { display: flex; flex-direction: column; gap: var(--space-300); }
.stack-lg   { display: flex; flex-direction: column; gap: var(--space-900); }

/* ========== Button ========== */
.btn {
  font: 500 16px/20px var(--font-family-base);
  min-height: 48px;
  min-width: 72px;
  padding: 14px 16px;
  border-radius: var(--radius-300);
  border: none;
  cursor: pointer;
  transition: background-color var(--timing-200) var(--ease-out),
              box-shadow var(--timing-200) var(--ease-out);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-300);
  text-decoration: none;
  box-sizing: border-box;
}

.btn-primary {
  background: var(--bg-inverse-primary);
  color: var(--content-inverse-primary);
}
.btn-primary:hover   { box-shadow: inset 0 0 0 999px rgba(255, 255, 255, 0.08); }
.btn-primary:active  { box-shadow: inset 0 0 0 999px rgba(255, 255, 255, 0.16); }

.btn-secondary {
  background: var(--bg-secondary);
  color: var(--content-primary);
}
.btn-secondary:hover { box-shadow: inset 0 0 0 999px rgba(0, 0, 0, 0.04); }

.btn-tertiary {
  background: transparent;
  color: var(--content-primary);
}
.btn-tertiary:hover { background: var(--bg-secondary); }

.btn-outline {
  background: transparent;
  color: var(--content-primary);
  border: 2px solid var(--content-primary);
  padding: 12px 14px;
}

.btn-compact { min-height: 36px; min-width: 60px; padding: 10px 12px; font-size: 14px; line-height: 16px; }
.btn-mini    { min-height: 28px; min-width: 52px; padding: 6px 8px;   font-size: 12px; line-height: 16px; }
.btn-large   { min-height: 56px; min-width: 80px; padding: 16px 20px; font-size: 18px; line-height: 24px; }

.btn-block { width: 100%; }

.btn:focus-visible {
  outline: 2px solid var(--content-accent);
  outline-offset: 2px;
}
.btn:disabled,
.btn[aria-disabled="true"] {
  background: var(--bg-state-disabled);
  color: var(--content-disabled);
  cursor: not-allowed;
  pointer-events: none;
}

/* Button with loading spinner */
.btn[aria-busy="true"] { color: transparent; position: relative; }
.btn[aria-busy="true"]::after {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 18px;
  height: 18px;
  border: 2px solid currentColor;
  border-top-color: transparent;
  border-radius: 50%;
  color: var(--content-inverse-primary);
  animation: spin 0.8s linear infinite;
}
.btn-secondary[aria-busy="true"]::after,
.btn-tertiary[aria-busy="true"]::after { color: var(--content-primary); }

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

/* ========== Input ========== */
.input {
  font: 400 16px/24px var(--font-family-base);
  padding: 10px 14px;
  border: 2px solid var(--border-opaque);
  border-radius: var(--radius-300);
  background: var(--bg-secondary);
  color: var(--content-primary);
  width: 100%;
  box-sizing: border-box;
  caret-color: var(--content-primary);
  transition: border-color var(--timing-200) var(--ease-out),
              background-color var(--timing-200) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}
.input:focus {
  outline: none;
  border-color: var(--border-selected);
  background: var(--bg-primary);
}
.input::placeholder { color: var(--content-tertiary); }

/* ========== Select ========== */
.select {
  font: 400 16px/24px var(--font-family-base);
  padding: 10px 40px 10px 14px;
  border: 2px solid var(--border-opaque);
  border-radius: var(--radius-300);
  background-color: var(--bg-secondary);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 16 16' fill='none' stroke='black' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'><polyline points='4,6 8,10 12,6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 16px;
  color: var(--content-primary);
  width: 100%;
  box-sizing: border-box;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color var(--timing-200) var(--ease-out),
              background-color var(--timing-200) var(--ease-out);
}
.select:focus {
  outline: none;
  border-color: var(--border-selected);
  background-color: var(--bg-primary);
}

/* ========== Range Slider ========== */
.range {
  width: 100%;
  height: 6px;
  border-radius: 999px;
  background: var(--bg-tertiary);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  margin: var(--space-300) 0 0;
}
.range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  background: var(--content-primary);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
  box-shadow: var(--shadow-400);
  cursor: pointer;
}
.range::-moz-range-thumb {
  width: 20px;
  height: 20px;
  background: var(--content-primary);
  border-radius: 50%;
  border: 3px solid var(--bg-primary);
  box-shadow: var(--shadow-400);
  cursor: pointer;
}

/* ========== Card ========== */
.card {
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-300);
  padding: var(--space-800);
}
.card-compact { padding: var(--space-600); }
.card-surface { background: var(--bg-secondary); border: none; }

/* ========== Tag / Badge ========== */
.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-100);
  padding: var(--space-100) var(--space-500);
  font: 500 12px/16px var(--font-family-base);
  border-radius: var(--radius-tag);
  background: var(--bg-secondary);
  color: var(--content-primary);
  white-space: nowrap;
}
.tag-live     { background: var(--bg-positive-subtle); color: var(--content-positive); }
.tag-soon     { background: var(--bg-secondary); color: var(--content-tertiary); }
.tag-inverse  { background: var(--bg-inverse-primary); color: var(--content-inverse-primary); }

/* ========== Nav ========== */
.nav {
  height: 64px;
  padding: 0 var(--space-600);
  border-bottom: 1px solid var(--border-opaque);
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}
.nav-inner {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-800);
}
.nav-brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-300);
  font: 700 18px/24px var(--font-family-base);
  color: var(--content-primary);
  text-decoration: none;
}
.nav-brand:hover { text-decoration: none; }
.nav-brand-mark { font-size: 22px; line-height: 1; }
.nav-links { display: inline-flex; align-items: center; gap: var(--space-200); }
.nav-link {
  padding: var(--space-400) var(--space-500);
  font: 500 14px/16px var(--font-family-base);
  color: var(--content-secondary);
  text-decoration: none;
  border-radius: var(--radius-300);
  transition: background-color var(--timing-150) var(--ease-out),
              color var(--timing-150) var(--ease-out);
}
.nav-link:hover { color: var(--content-primary); background: var(--bg-secondary); text-decoration: none; }
.nav-link[aria-current="page"] { color: var(--content-primary); font-weight: 700; }

/* ========== Footer ========== */
.site-footer {
  border-top: 1px solid var(--border-opaque);
  padding: var(--space-1200) var(--space-600);
  margin-top: var(--space-2400);
  background: var(--bg-primary);
}
.site-footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-800);
  align-items: center;
  justify-content: space-between;
}
.site-footer-links { display: inline-flex; gap: var(--space-700); flex-wrap: wrap; }
.site-footer-links a { color: var(--content-secondary); font: 400 14px/20px var(--font-family-base); text-decoration: none; }
.site-footer-links a:hover { color: var(--content-primary); text-decoration: underline; }
.site-footer-legal { font: 400 12px/20px var(--font-family-base); color: var(--content-tertiary); flex-basis: 100%; }

/* ========== Choice buttons (segmented) ========== */
.choice-group {
  display: grid;
  gap: var(--space-300);
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}
.choice {
  font: 500 14px/16px var(--font-family-base);
  padding: var(--space-500) var(--space-500);
  background: var(--bg-primary);
  color: var(--content-secondary);
  border: 2px solid var(--border-opaque);
  border-radius: var(--radius-300);
  cursor: pointer;
  text-align: center;
  transition: border-color var(--timing-150) var(--ease-out),
              background-color var(--timing-150) var(--ease-out),
              color var(--timing-150) var(--ease-out);
  min-height: 56px;
}
.choice:hover { border-color: var(--content-tertiary); color: var(--content-primary); }
.choice.active,
.choice[aria-pressed="true"] {
  border-color: var(--content-primary);
  background: var(--bg-primary);
  color: var(--content-primary);
  font-weight: 700;
}
.choice-title { display: block; font-weight: 700; font-size: 14px; line-height: 20px; }
.choice-sub   { display: block; font-weight: 400; font-size: 12px; line-height: 16px; color: var(--content-tertiary); margin-top: 2px; }
.choice.active .choice-sub { color: var(--content-secondary); }

/* ========== Result stat ========== */
.stat {
  padding: var(--space-1200) var(--space-800);
  background: var(--bg-inverse-primary);
  color: var(--content-inverse-primary);
  border-radius: var(--radius-400);
  text-align: left;
}
.stat-label {
  font: 500 12px/16px var(--font-family-base);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-300);
}
.stat-value {
  font: 700 96px/96px var(--font-family-base);
  letter-spacing: -0.03em;
  margin: 0;
}
.stat-value small {
  font: 400 20px/28px var(--font-family-base);
  color: rgba(255, 255, 255, 0.7);
  letter-spacing: 0;
  margin-left: var(--space-300);
}
.stat-sub { margin-top: var(--space-600); font: 400 14px/20px var(--font-family-base); color: rgba(255, 255, 255, 0.7); }

/* Price range stat (insurance) */
.stat-range {
  display: flex;
  align-items: baseline;
  gap: var(--space-300);
  flex-wrap: wrap;
}
.stat-range-sep { font: 400 32px/40px var(--font-family-base); color: rgba(255, 255, 255, 0.5); }

/* ========== Summary grid ========== */
.summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-300);
}
.summary-item {
  padding: var(--space-600);
  background: var(--bg-secondary);
  border-radius: var(--radius-300);
}
.summary-item-label {
  font: 500 12px/16px var(--font-family-base);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--content-tertiary);
  margin-bottom: var(--space-200);
}
.summary-item-value {
  font: 700 16px/24px var(--font-family-base);
  color: var(--content-primary);
}

/* ========== Alert / Disclaimer ========== */
.alert {
  display: flex;
  gap: var(--space-500);
  padding: var(--space-600);
  border-radius: var(--radius-300);
  border: 1px solid var(--border-opaque);
  background: var(--bg-secondary);
  font: 400 13px/20px var(--font-family-base);
  color: var(--content-secondary);
}
.alert strong { color: var(--content-primary); font-weight: 700; }
.alert-icon { flex-shrink: 0; font-size: 16px; line-height: 20px; }

/* ========== Skeleton (loading) ========== */
@keyframes shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 0%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s var(--ease-in-out) infinite;
  border-radius: var(--radius-200);
  display: block;
}
.skeleton-text   { height: 16px; width: 100%; border-radius: var(--radius-100); }
.skeleton-title  { height: 32px; width: 60%; border-radius: var(--radius-200); }
.skeleton-heading{ height: 96px; width: 70%; border-radius: var(--radius-300); }
.skeleton-card   { height: 120px; border-radius: var(--radius-300); }
.skeleton-stat   { height: 180px; border-radius: var(--radius-400); }
.skeleton-chip   { height: 24px; width: 96px; border-radius: var(--radius-tag); }

/* Loading view (inline in page, replaces form when calculating) */
#loadingView { display: none; }
body.is-loading #mainView  { display: none; }
body.is-loading #loadingView { display: block; }

/* ========== Life-stage pill (result) ========== */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--space-200);
  padding: var(--space-200) var(--space-500);
  border-radius: var(--radius-tag);
  font: 500 12px/16px var(--font-family-base);
  background: rgba(255, 255, 255, 0.14);
  color: var(--content-inverse-primary);
}
.pill::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ========== Card grid (home) ========== */
.card-grid {
  display: grid;
  gap: var(--space-600);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.feature-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-500);
  padding: var(--space-800);
  background: var(--bg-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-400);
  text-decoration: none;
  color: var(--content-primary);
  transition: border-color var(--timing-200) var(--ease-out),
              transform var(--timing-200) var(--ease-out);
  min-height: 220px;
}
.feature-card[href]:hover {
  border-color: var(--content-primary);
  transform: translateY(-2px);
  text-decoration: none;
}
.feature-card[aria-disabled="true"] { opacity: 0.55; cursor: default; }
.feature-card[aria-disabled="true"]:hover { transform: none; border-color: var(--border-subtle); }
.feature-icon { font-size: 32px; line-height: 1; }
.feature-title { font: 700 20px/28px var(--font-family-base); color: var(--content-primary); }
.feature-desc  { font: 400 14px/20px var(--font-family-base); color: var(--content-secondary); flex: 1; }
.feature-foot  { display: inline-flex; gap: var(--space-300); align-items: center; }

/* ========== Section heading ========== */
.section { padding: var(--space-1600) 0; }
.section-title { font: 500 12px/16px var(--font-family-base); text-transform: uppercase; letter-spacing: 0.08em; color: var(--content-tertiary); margin-bottom: var(--space-300); }

/* ========== Hero ========== */
.hero { padding: var(--space-2400) 0 var(--space-1600); }
.hero-title { font: 700 52px/64px var(--font-family-base); letter-spacing: -0.02em; max-width: 780px; color: var(--content-primary); }
.hero-sub { margin-top: var(--space-600); font: 400 18px/28px var(--font-family-base); color: var(--content-secondary); max-width: 560px; }

@media (max-width: 600px) {
  .hero { padding: var(--space-1200) 0 var(--space-900); }
  .hero-title { font-size: 36px; line-height: 44px; }
  h1 { font-size: 32px; line-height: 40px; }
  h2 { font-size: 24px; line-height: 32px; }
  .stat-value { font-size: 72px; line-height: 72px; }
  .display-lg, .display-md { font-size: 36px; line-height: 44px; }
}

/* ========== Prose (SEO content) ========== */
.prose { max-width: var(--container-reading); }
.prose h2 { margin: var(--space-1200) 0 var(--space-500); font: 700 28px/36px var(--font-family-base); }
.prose h3 { margin: var(--space-900) 0 var(--space-400); font: 700 20px/28px var(--font-family-base); }
.prose p, .prose ul, .prose ol { margin: 0 0 var(--space-600); font: 400 16px/26px var(--font-family-base); color: var(--content-primary); }
.prose ul, .prose ol { padding-left: var(--space-700); }
.prose li { margin-bottom: var(--space-300); }
.prose a { color: var(--content-primary); text-decoration: underline; text-underline-offset: 3px; }
.prose strong { font-weight: 700; color: var(--content-primary); }

/* FAQ */
.faq-item { border-top: 1px solid var(--border-opaque); padding: var(--space-700) 0; }
.faq-q { font: 700 16px/24px var(--font-family-base); color: var(--content-primary); margin: 0 0 var(--space-300); }
.faq-a { font: 400 15px/24px var(--font-family-base); color: var(--content-secondary); margin: 0; }

/* ========== Cross-link (between calculators) ========== */
.xlink {
  display: flex;
  align-items: center;
  gap: var(--space-500);
  padding: var(--space-600);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-300);
  text-decoration: none;
  color: var(--content-primary);
  transition: border-color var(--timing-150) var(--ease-out);
}
.xlink:hover { border-color: var(--content-primary); text-decoration: none; }
.xlink-icon { font-size: 24px; line-height: 1; flex-shrink: 0; }
.xlink-body { flex: 1; }
.xlink-title { font: 700 14px/20px var(--font-family-base); }
.xlink-desc  { font: 400 13px/20px var(--font-family-base); color: var(--content-secondary); }
.xlink-arrow { font: 500 14px/20px var(--font-family-base); color: var(--content-primary); flex-shrink: 0; }

/* ========== Utilities ========== */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.mt-0 { margin-top: 0 !important; }
.mt-300 { margin-top: var(--space-300); }
.mt-600 { margin-top: var(--space-600); }
.mt-900 { margin-top: var(--space-900); }
.mt-1200 { margin-top: var(--space-1200); }
.mb-600 { margin-bottom: var(--space-600); }
.mb-900 { margin-bottom: var(--space-900); }
.mb-1200 { margin-bottom: var(--space-1200); }