/* Shared theme — calculator.net style: simple, fast, mobile-first */

:root {
  --color-bg: #f8f9fb;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #5c6570;
  --color-primary: #8b2942;
  --color-primary-hover: #6f1f35;
  --color-border: #e2e6ea;
  --color-accent: #c9a227;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
}

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

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

.container {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 3.25rem;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.site-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 1.05rem;
  /* Indent by the card's inner padding so the header emblem lines up with the tool-list icons. */
  padding-left: var(--space-md);
}

.site-logo__icon {
  width: 2.5rem;
  height: 2.5rem;
  flex-shrink: 0;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

.site-logo__text {
  font-family: Georgia, "Times New Roman", Times, serif;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
  line-height: 1.2;
}

.site-nav {
  display: flex;
  gap: var(--space-md);
}

.site-nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  min-height: 2.75rem;
  padding: 0 0.25rem;
  -webkit-tap-highlight-color: transparent;
}

.site-nav a:hover {
  color: var(--color-primary);
}

/* Header search */
.site-nav {
  align-items: center;
}

.site-nav__search-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.site-nav__search-btn:hover,
.site-nav__search-btn:focus-visible {
  color: var(--color-primary);
  background: var(--color-bg);
}

.site-search[hidden] {
  display: none;
}

.site-search {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 12vh var(--space-md) var(--space-md);
  overscroll-behavior: contain;
}

.site-search__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 25, 0.5);
}

.site-search__panel {
  position: relative;
  width: 100%;
  max-width: 560px;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
  overflow: hidden;
}

.site-search__box {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.site-search__icon {
  flex: none;
  color: var(--color-muted);
}

.site-search__input {
  flex: 1 1 auto;
  border: none;
  outline: none;
  font: inherit;
  font-size: 1.1rem;
  color: var(--color-text);
  background: transparent;
}

.site-search__close {
  flex: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  margin: -0.5rem -0.5rem -0.5rem 0;
  border: none;
  background: transparent;
  color: var(--color-muted);
  font-size: 1.8rem;
  line-height: 1;
  cursor: pointer;
  border-radius: var(--radius);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.site-search__close:hover {
  color: var(--color-primary);
}

.site-search__results {
  list-style: none;
  margin: 0;
  padding: var(--space-xs);
  max-height: 55vh;
  overflow-y: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.site-search__result-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  min-height: 3rem;
  padding: var(--space-sm);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--color-text);
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.site-search__result-link:hover,
.site-search__result-link.is-active {
  background: var(--color-bg);
}

.site-search__result-icon {
  flex: none;
  border-radius: 6px;
  background: #fff;
}

.site-search__result-body {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  min-width: 0;
}

.site-search__result-title {
  font-weight: 600;
  font-size: 0.95rem;
}

.site-search__result-desc {
  font-size: 0.82rem;
  color: var(--color-muted);
}

.site-search__empty {
  padding: var(--space-md);
  color: var(--color-muted);
  font-size: 0.9rem;
  text-align: center;
}

body.site-search-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .site-search {
    padding: 6vh var(--space-sm) var(--space-sm);
  }

  .site-search__panel {
    max-width: none;
  }

  /* svh keeps results visible when the iOS keyboard is up (with vh fallback). */
  .site-search__results {
    max-height: 50vh;
    max-height: 50svh;
  }

  .site-search__result-desc {
    font-size: 0.85rem;
  }
}

.site-main {
  padding: var(--space-xl) 0 var(--space-xl);
}

.site-footer {
  padding: var(--space-lg) 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}

.site-footer__copy {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
  text-align: center;
}

.site-footer__fine {
  margin: 0.5rem 0 0;
  font-size: 0.78rem;
  color: var(--color-muted);
  text-align: center;
  line-height: 1.45;
}

.site-footer__fine a {
  color: var(--color-primary);
}

.page-content {
  max-width: 42rem;
}

.page-content ul {
  padding-left: 1.25rem;
}

/* Typography */
.page-title {
  margin: 0 0 var(--space-xs);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
}

.page-lead {
  margin: 0 0 var(--space-lg);
  color: var(--color-muted);
  font-size: 1rem;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.card h2 {
  margin: 0 0 var(--space-md);
  font-size: 1.1rem;
  font-weight: 600;
}

/* Home tool list */
.tool-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.tool-list li {
  margin-bottom: var(--space-sm);
}

.tool-list__link {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: inherit;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.tool-list__link:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow);
}

/* Homepage tool icons: 2.75rem (44px) square, white background, no border. PNGs: white bg, ~512px source. */
.tool-list__icon-wrap {
  flex-shrink: 0;
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 6px;
  overflow: hidden;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.tool-list__icon {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.tool-list__body {
  min-width: 0;
  flex: 1;
}

.tool-list__title {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
}

.tool-list__desc {
  display: block;
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

.badge-dev {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  background: #fff3cd;
  color: #856404;
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  margin-left: 0.35rem;
  vertical-align: middle;
}

/* Forms */
.form-grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 540px) {
  .form-grid--2 {
    grid-template-columns: 1fr 1fr;
  }
}

.form-field label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--color-text);
}

.form-field input {
  width: 100%;
  padding: 0.55rem 0.65rem;
  font-size: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: inherit;
}

.form-field input:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
  border-color: var(--color-primary);
}

.form-field small {
  display: block;
  margin-top: 0.25rem;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.btn-primary {
  display: inline-block;
  width: 100%;
  margin-top: var(--space-md);
  padding: 0.75rem 1rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--color-primary);
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-family: inherit;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

/* Results */
.score-banner {
  text-align: center;
  padding: var(--space-lg);
  background: linear-gradient(135deg, #fdf8f9 0%, #fff 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: var(--space-lg);
}

.score-banner__value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.score-banner__label {
  font-size: 0.95rem;
  color: var(--color-muted);
  margin-top: 0.25rem;
}

.results-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.results-table th,
.results-table td {
  padding: 0.65rem 0.5rem;
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.results-table th {
  font-weight: 600;
  background: #fafbfc;
  color: var(--color-muted);
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.results-table tr:last-child td {
  border-bottom: none;
}

.notice {
  padding: var(--space-md);
  background: #e8f4fd;
  border: 1px solid #b8daff;
  border-radius: var(--radius);
  font-size: 0.9rem;
  color: #0c5460;
  margin-bottom: var(--space-lg);
}

.notice--warn {
  background: #fff8e6;
  border-color: #ffe08a;
  color: #664d03;
}

/* Place autocomplete */
.place-field {
  position: relative;
}

.place-suggestions {
  position: absolute;
  z-index: 20;
  left: 0;
  right: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 6px;
  box-shadow: var(--shadow);
  max-height: 220px;
  overflow-y: auto;
}

.place-suggestions[hidden] {
  display: none;
}

.place-suggestion {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.65rem;
  border: none;
  background: transparent;
  font: inherit;
  cursor: pointer;
  color: var(--color-text);
}

.place-suggestion:hover {
  background: #fdf8f9;
  color: var(--color-primary);
}

.birth-meta {
  font-size: 0.85rem;
  color: var(--color-muted);
  margin-top: 0.35rem;
}

.birth-meta code {
  font-size: 0.8rem;
}