/* ===================================================================
   adhd.tristonyoder.com — "Blueprint" theme
   Ported from stagePlotiphar's drafting-table design system.
   Dark navy instrument surface, sky-blue / sunset-gold accents,
   two-tier grid-paper background, flat hairline-bordered cards.
   =================================================================== */

:root {
  --surface: #0d1018;
  --surface-2: #141824;
  --surface-3: #1a2030;
  --border: #1c2336;
  --border-subtle: rgba(255, 255, 255, 0.05);

  --accent: #498ed6;
  --accent-light: #ffd557;
  --accent-dim: #2d4d70;
  --accent-bright: #6ba5e0;
  --accent-pale: #a9cdf0;

  --ink-100: #f4f6fb;
  --ink-300: #b9c2d6;
  --ink-500: #7c869e;

  --font-sans: "Geist Sans", -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", sans-serif;
  --font-mono: "Geist Mono", "SF Mono", ui-monospace, Menlo, monospace;

  --radius: 14px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  min-height: 100vh;
  color: var(--ink-100);
  font-family: var(--font-sans);
  background-color: var(--surface);
  background-image:
    radial-gradient(circle at center, transparent 20%, var(--surface) 90%),
    linear-gradient(to right, color-mix(in srgb, var(--accent) 8%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--accent) 8%, transparent) 1px, transparent 1px),
    linear-gradient(to right, color-mix(in srgb, var(--accent) 3%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--accent) 3%, transparent) 1px, transparent 1px);
  background-size: 100% 100%, 100px 100px, 100px 100px, 20px 20px, 20px 20px;
  background-position: center;
  background-attachment: fixed;
}

a {
  color: inherit;
}

/* ---------- layout ---------- */

.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 64px 24px 96px;
}

header.site-header {
  margin-bottom: 56px;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-bright);
  margin: 0 0 10px;
}

h1.site-title {
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.1;
  margin: 0 0 14px;
  letter-spacing: -0.01em;
}

.site-sub {
  color: var(--ink-300);
  font-size: 16px;
  max-width: 640px;
  margin: 0;
  line-height: 1.6;
}

/* ---------- featured projects ---------- */

.featured-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 44px;
}

.featured {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4), inset 0 1px 0 var(--border-subtle);
  position: relative;
  overflow: hidden;
}

.featured-body {
  padding: 28px 30px;
}

.featured .featured-screenshot-wrap {
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--border);
}

.featured-head {
  margin-bottom: 16px;
}

.featured-icon {
  width: 72px;
  height: 72px;
}

.card-icon-fallback.featured-icon {
  font-size: 22px;
}

.featured h2 {
  margin: 0;
  font-size: 22px;
}

.featured p {
  margin: 0 0 16px;
  color: var(--ink-300);
  line-height: 1.6;
  max-width: 680px;
}

/* ---------- grid ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
}

/* ---------- card ---------- */

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.4), inset 0 1px 0 var(--border-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-screenshot-wrap {
  position: relative;
  cursor: zoom-in;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
}

.card-screenshot {
  box-sizing: border-box;
  width: calc(100% - 24px);
  height: calc(100% - 24px);
  margin: 12px;
  object-fit: contain; /* show the full screenshot, letterboxed, never cropped */
  display: block;
  border-radius: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
}

/* Single-image case: no aspect-ratio on the img itself, the wrap sets it. */
.card-screenshot-wrap:not(:has(.card-screenshot + .card-screenshot)) {
  aspect-ratio: 3 / 2;
}

.featured-screenshot-wrap:not(:has(.card-screenshot + .card-screenshot)) {
  aspect-ratio: 16 / 9;
}

/* Two-layer crossfade: both images are stacked and absolutely positioned,
   so the incoming one fades in directly on top of the outgoing one instead
   of fading through the background in between. */
.card-screenshot-wrap:has(.card-screenshot + .card-screenshot) {
  aspect-ratio: 3 / 2;
  overflow: hidden;
}

.featured-screenshot-wrap:has(.card-screenshot + .card-screenshot) {
  aspect-ratio: 16 / 9;
}

.card-screenshot-wrap:has(.card-screenshot + .card-screenshot) .card-screenshot {
  position: absolute;
  top: 12px;
  left: 12px;
  width: calc(100% - 24px);
  height: calc(100% - 24px);
  margin: 0;
  opacity: 0;
  transition: opacity 1s ease;
}

.card-screenshot-wrap:has(.card-screenshot + .card-screenshot) .card-screenshot.layer-visible {
  opacity: 1;
}

.screenshot-count-badge {
  position: absolute;
  right: 10px;
  bottom: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(13, 16, 24, 0.75);
  border: 1px solid var(--border-subtle);
  color: var(--ink-100);
  backdrop-filter: blur(2px);
}

/* ---------- lightbox ---------- */

.lightbox-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(5, 6, 10, 0.9);
  align-items: center;
  justify-content: center;
}

.lightbox-overlay.open {
  display: flex;
}

.lightbox-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 90vw;
  max-height: 88vh;
}

.lightbox-img {
  max-width: 90vw;
  max-height: 78vh;
  border-radius: 10px;
  border: 1px solid var(--border);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.5);
  background: var(--surface-2);
}

.lightbox-meta {
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 14px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--ink-300);
}

.lightbox-counter {
  color: var(--accent-pale);
}

.lightbox-close,
.lightbox-nav {
  position: absolute;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--ink-100);
  cursor: pointer;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.lightbox-close:hover,
.lightbox-nav:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
}

.lightbox-close {
  top: 20px;
  right: 20px;
  width: 38px;
  height: 38px;
  font-size: 16px;
}

.lightbox-nav {
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  font-size: 26px;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

@media (max-width: 640px) {
  .lightbox-nav {
    width: 40px;
    height: 40px;
  }
  .lightbox-prev {
    left: 8px;
  }
  .lightbox-next {
    right: 8px;
  }
  .lightbox-close {
    top: 10px;
    right: 10px;
  }
}

.card-body {
  padding: 20px 20px 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-head {
  display: flex;
  align-items: flex-start; /* keep title top-aligned with the icon, even when it wraps to 2+ lines */
  gap: 12px;
  margin-bottom: 12px;
}

.card-icon {
  width: 48px;
  height: 48px;
  object-fit: contain; /* non-square icons keep their full shape, no cropping */
  flex-shrink: 0;
}

.card-icon-rounded {
  border-radius: 6px;
}

.card-icon-fallback {
  width: 48px;
  height: 48px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--accent-dim);
  color: var(--accent-pale);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 16px;
}

.card-titles {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.card-name {
  margin: 0;
  font-size: 17px;
  line-height: 1.3;
}

.card-tagline {
  margin: 0;
  color: var(--accent-pale);
  font-size: 13px;
  font-family: var(--font-mono);
}

.card-desc {
  margin: 0 0 16px;
  color: var(--ink-300);
  font-size: 14px;
  line-height: 1.55;
  flex: 1;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--ink-500);
  background: var(--surface-2);
}

.tag.tag-fork {
  border: 1px dashed var(--accent-light);
  color: var(--accent-light);
  background: transparent;
}

.tag.tag-private {
  background-image: repeating-linear-gradient(
    -45deg,
    transparent,
    transparent 4px,
    rgba(255, 255, 255, 0.05) 4px,
    rgba(255, 255, 255, 0.05) 8px
  );
  color: var(--ink-500);
}

.tag.tag-canary {
  border: 1px solid var(--accent-light);
  background: var(--accent-light);
  color: #1a1400;
  font-weight: 600;
}

/* ---------- links ---------- */

.card-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.btn {
  font-family: var(--font-mono);
  font-size: 12.5px;
  text-decoration: none;
  padding: 7px 12px;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--ink-100);
  background: var(--surface-2);
  transition: border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
}

.btn-primary {
  border: 1px solid var(--accent-dim);
  color: var(--accent-bright);
}

.btn-primary:hover {
  border-color: var(--accent);
  color: var(--accent-bright);
}

.btn-dashed-accent {
  border: 1px dashed var(--accent-light);
  color: var(--accent-light);
  background: transparent;
}

.btn-dashed-accent:hover {
  color: var(--accent-light);
  border-color: var(--accent-light);
  background: color-mix(in srgb, var(--accent-light) 8%, transparent);
}

/* ---------- footer ---------- */

footer.site-footer {
  margin-top: 72px;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  color: var(--ink-500);
  font-family: var(--font-mono);
  font-size: 12px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

footer.site-footer a:hover {
  color: var(--accent-bright);
}

@media (max-width: 520px) {
  .wrap {
    padding: 44px 18px 72px;
  }
}