/* ============================================================
   ZX Spectrum fan site — shared stylesheet
   Palette: the Spectrum's own 15 colours.
   "Normal" colours use D7, BRIGHT colours use FF.
   ============================================================ */

:root {
  --zx-black:   #000000;
  --zx-blue:    #0000D7;
  --zx-red:     #D70000;
  --zx-magenta: #D700D7;
  --zx-green:   #00D700;
  --zx-cyan:    #00D7D7;
  --zx-yellow:  #D7D700;
  --zx-white:   #D7D7D7;

  --zx-bright-blue:    #0000FF;
  --zx-bright-red:     #FF0000;
  --zx-bright-magenta: #FF00FF;
  --zx-bright-green:   #00FF00;
  --zx-bright-cyan:    #00FFFF;
  --zx-bright-yellow:  #FFFF00;
  --zx-bright-white:   #FFFFFF;

  --font-mono: "Courier New", Courier, monospace;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--zx-black);
  color: var(--zx-white);
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1.6;
}

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

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 1rem;
}

main.wrap {
  padding-top: 2rem;
  padding-bottom: 3rem;
  min-height: 60vh;
}

/* ------- header / Sinclair rainbow ------- */

header.site-header {
  border-bottom: 2px solid var(--zx-white);
  background: var(--zx-black);
}

.masthead {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0 0.75rem;
}

.site-title {
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--zx-bright-white);
  text-decoration: none;
  text-transform: uppercase;
}

.site-title small {
  display: block;
  font-size: 0.7rem;
  color: var(--zx-cyan);
  letter-spacing: 0.15em;
}

/* The classic diagonal rainbow flash from the Spectrum case */
.rainbow {
  display: flex;
  height: 34px;
  overflow: hidden;
  transform: skewX(-30deg);
  margin-right: 12px;
}
.rainbow span { width: 16px; height: 100%; }
.rainbow .r { background: var(--zx-bright-red); }
.rainbow .y { background: var(--zx-bright-yellow); }
.rainbow .g { background: var(--zx-bright-green); }
.rainbow .c { background: var(--zx-bright-cyan); }

/* ------- nav ------- */

nav.site-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding-bottom: 0.75rem;
}

nav.site-nav a {
  display: inline-block;
  padding: 0.3rem 0.8rem;
  color: var(--zx-bright-cyan);
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

nav.site-nav a:hover,
nav.site-nav a:focus {
  background: var(--zx-bright-cyan);
  color: var(--zx-black);
  outline: none;
}

nav.site-nav a.active {
  background: var(--zx-white);
  color: var(--zx-black);
}

/* ------- general elements ------- */

h1, h2, h3 {
  color: var(--zx-bright-yellow);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.75rem;
}

h1 { font-size: 1.5rem; }
h2 { font-size: 1.2rem; margin-top: 2rem; }
h3 { font-size: 1.05rem; color: var(--zx-bright-cyan); }

p { margin-bottom: 1rem; }

a { color: var(--zx-bright-cyan); }
a:hover { background: var(--zx-bright-cyan); color: var(--zx-black); }

ul.plain { list-style: none; }
ul.plain li { margin-bottom: 0.5rem; }
ul.plain li::before { content: "> "; color: var(--zx-bright-magenta); }

hr {
  border: none;
  border-top: 1px dashed var(--zx-blue);
  margin: 2rem 0;
}

/* BASIC-style prompt line, e.g. on the home page */
.prompt {
  color: var(--zx-bright-green);
  margin: 1.5rem 0;
}
.prompt::after {
  content: "\2588"; /* block cursor */
  animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

/* ------- cards (review teasers, links, videos) ------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.card {
  border: 2px solid var(--zx-blue);
  padding: 1rem;
}

.card:hover { border-color: var(--zx-bright-cyan); }

.card h3 { margin-bottom: 0.4rem; }

.card .meta {
  font-size: 0.85rem;
  color: var(--zx-magenta);
  margin-bottom: 0.5rem;
}

.card p { font-size: 0.95rem; margin-bottom: 0.5rem; }

/* rating shown as filled/empty blocks, e.g. 8/10 */
.rating { color: var(--zx-bright-yellow); letter-spacing: 2px; }

/* tag chips */
.tag {
  display: inline-block;
  font-size: 0.75rem;
  padding: 0 0.5rem;
  margin-right: 0.3rem;
  background: var(--zx-blue);
  color: var(--zx-bright-white);
  text-transform: uppercase;
}

/* ------- screenshots ------- */

figure.screenshot { margin: 1.5rem 0; max-width: 512px; }
figure.screenshot img {
  display: block;
  width: 100%;
  image-rendering: pixelated; /* keep the 256x192 pixels crisp when scaled */
  border: 2px solid var(--zx-blue);
}
figure.screenshot figcaption {
  font-size: 0.75rem;
  color: var(--zx-cyan);
  margin-top: 0.4rem;
}

/* per-category rating rows on review pages */
.rating-table { list-style: none; margin: 1rem 0; }
.rating-table li { margin-bottom: 0.3rem; }
.rating-table .cat {
  display: inline-block;
  min-width: 13ch;
  color: var(--zx-bright-white);
}
.rating-table .note { color: var(--zx-cyan); font-size: 0.85rem; }

/* ------- video placeholders ------- */

.video-box {
  border: 2px dashed var(--zx-magenta);
  aspect-ratio: 16 / 9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--zx-magenta);
  text-align: center;
  padding: 1rem;
  margin-bottom: 0.75rem;
}

/* real embeds, when added, can use this instead */
.video-embed { aspect-ratio: 16 / 9; width: 100%; border: 0; }

/* ------- bill of materials (component lists) ------- */

.bom-wrap { overflow-x: auto; margin: 1.5rem 0; }

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

table.bom th, table.bom td {
  border: 1px solid var(--zx-blue);
  padding: 0.5rem 0.75rem;
  text-align: left;
  vertical-align: top;
}

table.bom th {
  background: var(--zx-blue);
  color: var(--zx-bright-white);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.8rem;
}

table.bom td.qty { text-align: center; white-space: nowrap; }

a.buy-btn {
  display: inline-block;
  padding: 0.1rem 0.6rem;
  background: var(--zx-green);
  color: var(--zx-black);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.8rem;
  white-space: nowrap;
}
a.buy-btn:hover { background: var(--zx-bright-green); color: var(--zx-black); }

/* ------- notices ------- */

.notice {
  border: 2px solid var(--zx-yellow);
  padding: 0.75rem 1rem;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}
.notice strong { color: var(--zx-bright-yellow); }

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

footer.site-footer {
  border-top: 2px solid var(--zx-white);
  padding: 1.25rem 0 2rem;
  font-size: 0.85rem;
  color: var(--zx-cyan);
}

footer.site-footer .copyright { color: var(--zx-white); }

/* ------- loading-screen stripes on 404 ------- */

.loading-bars {
  height: 60px;
  margin: 2rem 0;
  background: repeating-linear-gradient(
    to bottom,
    var(--zx-bright-cyan) 0 6px,
    var(--zx-bright-yellow) 6px 12px
  );
}

/* ------- small screens ------- */

@media (max-width: 600px) {
  .masthead { flex-direction: column; align-items: flex-start; }
  .rainbow { display: none; }
}