/*
  Styles for Mark Webb — Apps Showcase
  - Mobile-first, responsive, accessible
  - System font stack, high contrast, focus-visible
*/

:root {
  --bg: #ffffff;
  --bg-elev: #f7f7f8;
  --text: #0b0b0c;
  --muted: #5b5b66;
  --primary: #1a73e8;
  --primary-contrast: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
  --radius: 12px;
  --space-1: clamp(4px, 0.5vw, 8px);
  --space-2: clamp(8px, 1vw, 12px);
  --space-3: clamp(12px, 1.5vw, 16px);
  --space-4: clamp(16px, 2vw, 24px);
  --space-5: clamp(24px, 3vw, 36px);
  --space-6: clamp(32px, 4vw, 48px);
  --max-w: 1200px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b0b0c;
    --bg-elev: #111215;
    --text: #f4f6f8;
    --muted: #a7aab0;
    --primary: #8ab4f8;
    --primary-contrast: #0b0b0c;
    --border: #26272b;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

/* Manual theme override */
[data-theme="light"] {
  --bg: #ffffff;
  --bg-elev: #f7f7f8;
  --text: #0b0b0c;
  --muted: #5b5b66;
  --primary: #1a73e8;
  --primary-contrast: #ffffff;
  --border: #e5e7eb;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 8px 24px rgba(0, 0, 0, 0.06);
}

[data-theme="dark"] {
  --bg: #0b0b0c;
  --bg-elev: #111215;
  --text: #f4f6f8;
  --muted: #a7aab0;
  --primary: #8ab4f8;
  --primary-contrast: #0b0b0c;
  --border: #26272b;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}
html,
body {
  height: 100%;
}
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Helvetica Neue", Arial, system-ui, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.container {
  width: min(100% - var(--space-6), var(--max-w));
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}
.skip-link:focus {
  left: 16px;
  top: 16px;
  width: auto;
  height: auto;
  background: var(--primary);
  color: var(--primary-contrast);
  padding: var(--space-2) var(--space-3);
  border-radius: 8px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in oklab, var(--bg), transparent 10%);
  backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) 0;
}
.site-title {
  font-size: clamp(18px, 2.2vw, 22px);
  margin: 0;
}
.site-nav ul {
  display: flex;
  gap: var(--space-3);
  list-style: none;
  margin: 0;
  padding: 0;
}
.site-nav a {
  color: inherit;
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 8px;
}
.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--bg-elev);
  outline: 2px solid transparent;
}

.theme-toggle {
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text);
  border-radius: 999px;
  padding: 6px 10px;
  cursor: pointer;
}
.theme-toggle:focus-visible {
  outline: 3px solid color-mix(in oklab, var(--primary), transparent 40%);
  outline-offset: 2px;
}

.hero {
  position: relative;
  overflow: clip;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(
      1200px 600px at 10% -10%,
      #8ab4f820,
      transparent 60%
    ),
    radial-gradient(1200px 600px at 90% 0%, #1a73e820, transparent 60%),
    linear-gradient(
      180deg,
      transparent,
      color-mix(in oklab, var(--bg), transparent 30%)
    );
  animation: hue 18s ease-in-out infinite alternate;
}
@keyframes hue {
  from {
    filter: hue-rotate(0deg);
  }
  to {
    filter: hue-rotate(25deg);
  }
}
.hero-content {
  position: relative;
  padding: var(--space-6) 0;
}
.hero h2 {
  font-size: clamp(24px, 4.2vw, 44px);
  margin: 0 0 var(--space-2);
}
.hero-tag {
  margin: 0 0 var(--space-3);
  color: var(--muted);
}
.hero-callouts {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}
.hero-callouts li {
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 12px;
}

.filters {
  margin: var(--space-5) 0 var(--space-4);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3);
}
.filters-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}
.filters input[type="search"],
.filters input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.year-controls {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
}
.year-controls label {
  display: block;
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 6px;
}

.chips-group {
  margin-top: var(--space-3);
}
.chips-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-2);
  color: var(--muted);
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.chip {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.chip[aria-pressed="true"] {
  background: color-mix(in oklab, var(--primary), transparent 80%);
  border-color: color-mix(in oklab, var(--primary), transparent 60%);
}
.btn-link {
  background: none;
  border: none;
  color: var(--primary);
  cursor: pointer;
  padding: 4px 6px;
}
.btn {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  cursor: pointer;
}

.filters-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: var(--space-2);
}

.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-3);
}
.card {
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.card:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}
.card-header {
  aspect-ratio: 16 / 10;
  background: var(--bg-elev);
  display: grid;
  place-items: center;
}
.card-header img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.card-body {
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
}
.card-title {
  margin: 0;
  font-size: 1.1rem;
}
.card-tag {
  margin: 0;
  color: var(--muted);
}
.badges,
.platforms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.badge {
  font-size: 12px;
  padding: 4px 8px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elev);
}
.highlights {
  margin: 0;
  padding-left: 18px;
}
.card-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.learn-more {
  margin-left: auto;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  padding: 8px 12px;
  border-radius: 10px;
  cursor: pointer;
}

.error {
  border: 1px solid #ef4444;
  background: color-mix(in oklab, #ef4444, transparent 90%);
  color: #991b1b;
  padding: var(--space-3);
  border-radius: 12px;
}

.about,
.contact {
  margin: var(--space-6) 0;
}
.contact-list {
  list-style: none;
  padding: 0;
  display: grid;
  grid-auto-flow: column;
  gap: var(--space-3);
  width: max-content;
}
.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  text-decoration: none;
  color: inherit;
}
.contact-link:hover,
.contact-link:focus-visible {
  background: var(--bg-elev);
}

.site-footer {
  margin: var(--space-6) 0 var(--space-5);
  color: var(--muted);
}
.footer-inner {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* Modal */
.modal[hidden] {
  display: none;
}
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
}
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
}
.modal-card {
  position: relative;
  z-index: 1;
  width: min(100% - var(--space-6), 960px);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow);
}
.modal-close {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: 999px;
  width: 36px;
  height: 36px;
  cursor: pointer;
}
.modal-body {
  display: grid;
  grid-template-columns: 1fr;
}
.modal-hero {
  aspect-ratio: 16/9;
  background: var(--bg-elev);
}
.modal-hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.modal-content {
  padding: var(--space-3);
  display: grid;
  gap: var(--space-2);
}

@media (min-width: 720px) {
  .filters-row {
    grid-template-columns: 1fr 1fr;
    align-items: end;
  }
  .modal-body {
    grid-template-columns: 1.2fr 1fr;
  }
}

@media (min-width: 1024px) {
  .hero-content {
    padding: var(--space-6) 0 var(--space-6);
  }
}

/* Focus styles */
:where(button, a, input, .chip).focus-visible,
:where(button, a, input, .chip):focus-visible {
  outline: 3px solid color-mix(in oklab, var(--primary), transparent 40%);
  outline-offset: 2px;
}