/* charm.farm – design tokens and layout (from sample) */

:root {
  --background: 210 17% 98%;
  --foreground: 213 18% 11%;
  --card: 210 17% 98%;
  --card-foreground: 213 18% 11%;
  --popover: 210 17% 98%;
  --popover-foreground: 213 18% 11%;
  --primary: 222 100% 50%;
  --primary-foreground: 0 0% 100%;
  --secondary: 210 14% 89%;
  --secondary-foreground: 213 18% 11%;
  --muted: 210 14% 93%;
  --muted-foreground: 215 10% 42%;
  --accent: 210 14% 89%;
  --accent-foreground: 213 18% 11%;
  --destructive: 0 84% 60%;
  --destructive-foreground: 0 0% 100%;
  --border: 210 14% 83%;
  --input: 210 14% 83%;
  --ring: 222 100% 50%;
  --radius: 0rem;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-sans: 'Inter', sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  border-color: hsl(var(--border));
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: hsl(var(--background));
  color: hsl(var(--foreground));
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-mono);
}

@keyframes cursor-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.cursor-blink {
  animation: cursor-blink 0.8s step-end infinite;
}

@media (prefers-reduced-motion: reduce) {
  .cursor-blink {
    animation: none;
    opacity: 1;
  }
}

/* Skip link: visible on focus for keyboard/screen reader users */
.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 100;
  padding: 0.75rem 1rem;
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  font-family: var(--font-sans);
  font-size: 0.875rem;
  text-decoration: none;
  clip-path: inset(50%);
  margin: -1px;
  overflow: hidden;
}

.skip-link:focus {
  clip-path: none;
  margin: 0;
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* Top rule */
.rule--top {
  margin: 0;
  border: 0;
  border-bottom: 1px solid hsl(var(--border));
}

/* Top rule - remove extra spacing some UAs add */
hr.rule--top {
  display: block;
}

/* Layout: 3 columns on large screens */
.layout {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 1024px) {
  .layout {
    grid-template-columns: 200px 1fr 320px;
  }
}

/* Site header: sidebar on desktop, compact on mobile */
.site-header {
  padding: 1.5rem 1.5rem 1rem;
  border-bottom: 1px solid hsl(var(--border));
  grid-column: 1 / -1;
}

@media (min-width: 1024px) {
  .site-header {
    grid-column: auto;
    padding: 2rem 1.5rem 4rem;
    border-bottom: 0;
    border-right: 1px solid hsl(var(--border));
  }
}

.site-logo {
  display: block;
  max-width: 120px;
  max-height: 80px;
  width: auto;
  height: auto;
  margin-bottom: 1rem;
  object-fit: contain;
}

@media (min-width: 1024px) {
  .site-logo {
    max-height: 64px;
    margin-bottom: 1.25rem;
  }
}

.site-title {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: -0.025em;
  color: hsl(var(--foreground));
  margin: 0 0 0 0;
}

@media (min-width: 1024px) {
  .site-title {
    margin-bottom: 3rem;
  }
}

.site-nav {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

@media (min-width: 1024px) {
  .site-nav {
    flex-direction: column;
    gap: 0.25rem;
    margin-top: 0;
  }
}

.section-index__link {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: hsl(var(--muted-foreground));
  text-decoration: none;
  transition: color 0.15s ease;
}

.section-index__link:hover,
.section-index__link--active {
  color: hsl(var(--primary));
}

.section-index__link:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* Column 2: Main content */
.main-content {
  padding: 2rem 1.5rem 4rem;
}

@media (min-width: 1024px) {
  .main-content {
    padding: 2rem 2.5rem 4rem;
    border-right: 1px solid hsl(var(--border));
  }
}

.section {
  margin-bottom: 5rem;
}

.section__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: hsl(var(--muted-foreground));
  margin: 0 0 1.5rem 0;
}

.section__title {
  font-family: var(--font-mono);
  font-size: 1.125rem;
  font-weight: 500;
  margin: 0 0 1rem 0;
  color: hsl(var(--foreground));
}

.section__text {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  line-height: 1.6;
  color: hsl(var(--foreground));
  margin: 0 0 1rem 0;
}

.section__text--last {
  margin-bottom: 0;
}

.section__subhead {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: hsl(var(--foreground));
  margin: 1.5rem 0 0.5rem 0;
}

/* Download page */
.download-block {
  margin: 1.5rem 0;
  padding: 1.25rem 0;
  border-top: 1px solid hsl(var(--border));
  border-bottom: 1px solid hsl(var(--border));
}

.download-block__version {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin: 0 0 1rem 0;
}

.download-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.download-list__item {
  margin-bottom: 0.75rem;
}

.download-list__item:last-child {
  margin-bottom: 0;
}

.download-list__link {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: hsl(var(--primary));
  text-decoration: none;
  display: inline-block;
}

.download-list__link:hover {
  text-decoration: underline;
}

.download-list__link:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

.download-list__meta {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin-top: 0.15rem;
}

.download-specs {
  margin: 0 0 1rem 0;
  font-size: 0.8125rem;
}

.download-specs dt {
  font-family: var(--font-mono);
  font-weight: 500;
  color: hsl(var(--foreground));
  margin: 0.5rem 0 0.15rem 0;
}

.download-specs dt:first-child {
  margin-top: 0;
}

.download-specs dd {
  font-family: var(--font-sans);
  color: hsl(var(--muted-foreground));
  line-height: 1.5;
  margin: 0;
}

.specimen-column--empty {
  display: none;
}

@media (min-width: 1024px) {
  .specimen-column--empty {
    display: block;
    min-width: 320px;
  }
}

.site-logo-link {
  display: block;
  margin-bottom: 1rem;
}

@media (min-width: 1024px) {
  .site-logo-link {
    margin-bottom: 1.25rem;
  }
}

.site-title__link {
  color: inherit;
  text-decoration: none;
}

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

.site-title__link:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* Protocol list */
.protocol-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.protocol-card {
  border: 1px solid hsl(var(--border));
  padding: 1rem;
  margin-bottom: 1rem;
}

.protocol-card--last {
  margin-bottom: 0;
}

.protocol-card__id {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin: 0 0 0.5rem 0;
}

.protocol-card__name {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: hsl(var(--foreground));
  margin: 0 0 0.25rem 0;
}

.protocol-card__desc {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  color: hsl(var(--muted-foreground));
  margin: 0 0 0.75rem 0;
}

.protocol-card__details {
  margin: 0;
  font-size: 0.8125rem;
}

.protocol-card__details dt {
  font-family: var(--font-mono);
  font-weight: 500;
  color: hsl(var(--foreground));
  margin: 0.5rem 0 0.15rem 0;
}

.protocol-card__details dt:first-child {
  margin-top: 0;
}

.protocol-card__details dd {
  font-family: var(--font-sans);
  color: hsl(var(--muted-foreground));
  line-height: 1.5;
  margin: 0 0 0 0;
  padding-left: 0;
}

/* Contact (definition list) */
.contact-list {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: hsl(var(--foreground));
  margin: 0;
}

.contact-list dt,
.contact-list dd {
  margin: 0 0 0.25rem 0;
}

.contact-list dd {
  margin-bottom: 0.75rem;
}

.contact-list dd:last-child {
  margin-bottom: 0;
}

.contact-list__term {
  color: hsl(var(--muted-foreground));
  font-weight: 400;
}

.link {
  color: hsl(var(--primary));
  text-decoration: none;
}

.link:hover {
  text-decoration: underline;
}

.link:focus-visible {
  outline: 2px solid hsl(var(--ring));
  outline-offset: 2px;
}

/* Column 3: Specimen */
.specimen-column {
  display: none;
}

@media (min-width: 1024px) {
  .specimen-column {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    padding: 2rem 1.5rem 4rem;
  }
}

.specimen {
  margin: 0;
}

.specimen__image {
  display: block;
  width: 100%;
  height: auto;
  margin-bottom: 0.5rem;
  object-fit: contain;
}

.specimen__caption {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: hsl(var(--muted-foreground));
  margin: 0;
}

/* Footer */
.footer {
  border-top: 1px solid hsl(var(--border));
}

.footer__inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__text {
  font-family: var(--font-mono);
  font-size: 11px;
  color: hsl(var(--muted-foreground));
}