/* ============================================================
   PIXELDOS ARCHIVE  ·  像素DOS档案馆
   Retro DOS terminal theme (CRT phosphor)
   ============================================================ */

:root {
  --bg: #05070a;
  --bg-panel: #0a0f16;
  --bg-hi: #101821;
  --fg: #33ff66;
  --fg-dim: #1f9e46;
  --fg-faint: #0f6b30;
  --amber: #ffb020;
  --cyan: #35e0ff;
  --red: #ff4d4d;
  --blue: #4da6ff;
  --purple: #c06bff;
  --border: #1d5c33;
  --border-bright: #33ff66;
  --glow: 0 0 6px rgba(51, 255, 102, .55);
  --glow-soft: 0 0 3px rgba(51, 255, 102, .35);
  --font-pix: 'Press Start 2P', 'VT323', ui-monospace, monospace;
  --font-term: 'VT323', 'Courier New', ui-monospace, monospace;
}

* { box-sizing: border-box; }

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-term);
  font-size: 20px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* --- CRT scanline + vignette overlay ---------------------- */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 998;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, rgba(0,0,0,0) 55%, rgba(0,0,0,.55) 100%);
}
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,.22) 0px,
    rgba(0,0,0,.22) 1px,
    transparent 1px,
    transparent 3px
  );
  animation: crt-flicker 6s infinite steps(60);
}
@keyframes crt-flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: .86; }
  51% { opacity: .98; }
}

::selection { background: var(--fg); color: var(--bg); }

a {
  color: var(--cyan);
  text-decoration: none;
  text-shadow: var(--glow-soft);
}
a:hover { background: rgba(53, 224, 255, .12); }

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--fg-faint); border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--fg-dim); }

.container { max-width: 1080px; margin: 0 auto; padding: 12px 18px; }

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  box-shadow: inset 0 0 24px rgba(31,158,70,.06);
  padding: 18px 20px;
  margin: 14px 0;
}

h1, h2, h3, h4 {
  font-family: var(--font-pix);
  font-weight: 400;
  line-height: 1.45;
  color: var(--fg);
  text-shadow: var(--glow);
}
h1 { font-size: 18px; letter-spacing: 1px; word-break: break-word; }
h2 { font-size: 13px; margin: 26px 0 10px; }
h3 { font-size: 10px; }

hr.dos-hr {
  border: 0;
  border-top: 1px dashed var(--border);
  margin: 22px 0;
}

/* --- header ------------------------------------------------- */
.site-header { border-bottom: 1px solid var(--border); }

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 18px;
  background: var(--bg-hi);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-pix);
  font-size: 8px;
  color: var(--fg-dim);
}
.terminal-bar .dots { display: flex; gap: 6px; margin-right: 4px; }
.terminal-bar .dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.dot.red { background: var(--red); }
.dot.amber { background: var(--amber); }
.dot.green { background: var(--fg); }
.terminal-bar .bar-title { flex: 1; letter-spacing: 1px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.lang-toggle {
  font-family: var(--font-pix);
  font-size: 9px;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--border-bright);
  padding: 4px 10px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
}
.lang-toggle:hover { background: var(--fg); color: var(--bg); }

.logo-area { text-align: center; padding: 26px 18px 12px; }
.logo-area pre.logo {
  font-size: 12px;
  line-height: 1.15;
  margin: 0 auto 6px;
  color: var(--fg);
  text-shadow: var(--glow);
  overflow-x: auto;
}
.logo-area .tagline { color: var(--amber); letter-spacing: 1px; margin-top: 4px; }
.logo-area .status-line { color: var(--fg-dim); margin-top: 6px; }

.cmd-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 2px 18px;
  padding: 10px 18px;
  border-top: 1px solid var(--border);
  font-family: var(--font-pix);
  font-size: 10px;
  letter-spacing: 1px;
}
.cmd-nav .prompt { color: var(--fg-faint); margin-right: 8px; }
.cmd-nav a { color: var(--fg); padding: 4px 2px; }
.cmd-nav a:hover { background: var(--fg); color: var(--bg); }
.cmd-nav a.active { background: var(--fg); color: var(--bg); }

.blink { animation: blink 1s step-end infinite; display: inline-block; }
@keyframes blink { 50% { opacity: 0; } }

/* --- layout helpers ---------------------------------------- */
.page-title-wrap { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin: 18px 0 6px; }
.page-title-wrap .datetime { color: var(--fg-faint); font-size: 20px; margin-left: auto; }

.breadcrumb { color: var(--fg-faint); margin: 14px 0 0; font-size: 18px; }
.breadcrumb a { color: var(--fg-dim); }

/* --- buttons ------------------------------------------------ */
.btn {
  display: inline-block;
  font-family: var(--font-pix);
  font-size: 10px;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--fg);
  background: transparent;
  border: 1px solid var(--border-bright);
  padding: 10px 16px;
  cursor: pointer;
}
.btn:hover { background: var(--fg); color: var(--bg); }
.btn-primary { background: rgba(51,255,102,.08); box-shadow: var(--glow-soft); }
.btn-amber { color: var(--amber); border-color: var(--amber); box-shadow: 0 0 6px rgba(255,176,32,.4); }
.btn-amber:hover { background: var(--amber); color: var(--bg); }
.btn-sm { font-size: 8px; padding: 6px 10px; }
.btn-block { display: block; width: 100%; text-align: center; }

/* --- stats --------------------------------------------------- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.stat {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  padding: 14px 10px;
  text-align: center;
}
.stat b { font-family: var(--font-pix); font-size: 16px; color: var(--amber); display: block; margin-bottom: 6px; text-shadow: 0 0 8px rgba(255,176,32,.5); }
.stat span { color: var(--fg-dim); font-size: 17px; }

/* --- game grid ---------------------------------------------- */
.game-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}
.game-card {
  border: 1px solid var(--border);
  background: var(--bg-panel);
  transition: box-shadow .15s ease, transform .15s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.game-card:hover { box-shadow: var(--glow); transform: translateY(-2px); border-color: var(--border-bright); }
.game-card .thumb { display: block; position: relative; border-bottom: 1px solid var(--border); }
.game-card .thumb img, .game-card .thumb svg { display: block; width: 100%; height: auto; image-rendering: pixelated; }
.game-card .play-chip {
  position: absolute;
  right: 6px;
  bottom: 6px;
  font-family: var(--font-pix);
  font-size: 7px;
  color: var(--bg);
  background: var(--fg);
  padding: 4px 6px;
  letter-spacing: 1px;
}
.game-card .body { padding: 10px 12px 12px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.game-card .title { font-family: var(--font-pix); font-size: 9px; line-height: 1.5; color: var(--fg); }
.game-card .title a { color: inherit; }
.game-card .meta { color: var(--fg-dim); font-size: 17px; display: flex; flex-wrap: wrap; gap: 4px 10px; }
.game-card .star { color: var(--amber); }

/* --- badges --------------------------------------------------- */
.badge {
  display: inline-block;
  font-family: var(--font-pix);
  font-size: 7px;
  letter-spacing: .5px;
  padding: 3px 6px;
  border: 1px solid;
  white-space: nowrap;
  vertical-align: middle;
}
.badge.os-DOS { color: var(--cyan); border-color: var(--cyan); }
.badge.os-Win16 { color: var(--blue); border-color: var(--blue); }
.badge.os-Win9x { color: var(--purple); border-color: var(--purple); }
.badge.os-BeOS { color: var(--red); border-color: var(--red); }
.badge.os-OS2 { color: var(--amber); border-color: var(--amber); }
.badge.legal-shareware { color: var(--blue); border-color: var(--blue); }
.badge.legal-freeware { color: var(--fg); border-color: var(--fg); }
.badge.legal-abandonware { color: var(--red); border-color: var(--red); }
.badge.legal-commercial { color: var(--amber); border-color: var(--amber); }
.badge.rating { color: var(--amber); border-color: var(--amber); }

/* --- table ---------------------------------------------------- */
.table-wrap { overflow-x: auto; }
table.games {
  width: 100%;
  border-collapse: collapse;
  font-size: 18px;
}
table.games th, table.games td {
  border: 1px solid var(--border);
  padding: 7px 10px;
  text-align: left;
  vertical-align: top;
}
table.games th { font-family: var(--font-pix); font-size: 8px; letter-spacing: 1px; color: var(--amber); background: var(--bg-hi); }
table.games tr:hover td { background: var(--bg-hi); }
table.games a { color: var(--cyan); }

/* --- filters -------------------------------------------------- */
.filters { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; }
.filters label { display: flex; flex-direction: column; gap: 4px; font-family: var(--font-pix); font-size: 8px; color: var(--fg-dim); letter-spacing: 1px; }
.filters input, .filters select {
  font-family: var(--font-term);
  font-size: 18px;
  padding: 6px 8px;
  background: var(--bg);
  color: var(--fg);
  border: 1px solid var(--border);
  min-width: 170px;
}
.filters input:focus, .filters select:focus { outline: none; border-color: var(--border-bright); box-shadow: var(--glow-soft); }
.filters select option { background: var(--bg); }
.view-toggle { margin-left: auto; display: flex; gap: 6px; }

.results-count { color: var(--fg-dim); margin: 12px 0 4px; }
.results-count b { color: var(--fg); }

/* --- game detail ----------------------------------------------- */
.detail-head { display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-start; }
.detail-screenshot { flex: 0 1 400px; border: 1px solid var(--border); background: var(--bg); padding: 8px; }
.detail-screenshot img, .detail-screenshot svg { display: block; width: 100%; height: auto; image-rendering: pixelated; }
.detail-screenshot .cap { font-size: 15px; color: var(--fg-faint); margin-top: 6px; }
.detail-meta { flex: 1 1 320px; }
.detail-meta dl { margin: 0; }
.detail-meta dt { float: left; clear: left; width: 110px; color: var(--fg-faint); }
.detail-meta dd { margin: 0 0 6px 116px; color: var(--fg); }
.detail-meta dd a { color: var(--cyan); }

.desc-box { color: var(--fg); font-size: 21px; }
.desc-box p { margin: 10px 0; }

.download-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  padding: 10px 0;
  border-bottom: 1px dashed var(--border);
}
.download-row .f { color: var(--cyan); font-weight: 700; font-size: 21px; }
.download-row .m { color: var(--fg-dim); font-size: 17px; margin-left: auto; }
.placeholder-note { font-size: 15px; color: var(--fg-faint); }

.legal-box { border-left: 3px solid var(--border-bright); padding: 4px 16px; color: var(--fg-dim); }

/* --- news ------------------------------------------------------- */
.news-item { border-bottom: 1px dashed var(--border); padding: 12px 0; }
.news-item time { color: var(--amber); font-family: var(--font-pix); font-size: 8px; letter-spacing: 1px; display: block; margin-bottom: 6px; }
.news-item h3 { margin: 4px 0 8px; color: var(--fg); }
.news-item p { margin: 4px 0; color: var(--fg-dim); font-size: 19px; }

/* --- play page ---------------------------------------------------- */
#dosbox { width: 100%; max-width: 860px; margin: 0 auto; background: #000; border: 1px solid var(--border); }
#dosbox canvas { display: block; width: 100%; }
.play-toolbar { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 12px; }
.play-status { min-height: 26px; color: var(--amber); font-size: 19px; }
.ctrl-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 18px; font-size: 19px; }
.ctrl-grid b { color: var(--fg); font-family: var(--font-pix); font-size: 8px; letter-spacing: 1px; }
.ctrl-grid .k { color: var(--cyan); }
.file-note { color: var(--fg-dim); font-size: 17px; }

/* --- footer ---------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 40px;
  padding: 18px;
  text-align: center;
  color: var(--fg-faint);
  font-size: 17px;
}
.site-footer .foot-links { margin: 8px 0; }
.site-footer .foot-links a { color: var(--fg-dim); margin: 0 10px; }

/* --- utils ----------------------------------------------------- */
.text-dim { color: var(--fg-dim); }
.text-amber { color: var(--amber); }
.text-cyan { color: var(--cyan); }
.mt8 { margin-top: 8px; }
.center { text-align: center; }

@media (max-width: 720px) {
  body { font-size: 18px; }
  .detail-meta dt { width: 90px; }
  .detail-meta dd { margin-left: 96px; }
  .filters label { flex: 1 1 40%; }
  .filters input, .filters select { min-width: 0; width: 100%; }
}