/* ==========================================================
   CYBER WIREFRAME THEME - Black x Green
   porkgorilla.com 共通テーマ
   ========================================================== */

:root {
  --cyber-bg: #050805;
  --cyber-bg-panel: #0a0f0a;
  --cyber-green: #39ff6a;
  --cyber-green-dim: #1e8f3e;
  --cyber-green-faint: rgba(57, 255, 106, 0.15);
  --cyber-text: #c9ffd6;
  --cyber-red: #ff4d6d;
  --cyber-font: "Courier New", "Consolas", "Roboto Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

html, body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--cyber-bg);
  background-image:
    linear-gradient(var(--cyber-green-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--cyber-green-faint) 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--cyber-text);
  font-family: var(--cyber-font);
}

body {
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  width: 100%;
}

a {
  color: var(--cyber-green);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyber-green-dim);
}
a:hover {
  color: #fff;
  text-shadow: 0 0 6px var(--cyber-green);
  border-bottom-style: solid;
}

/* 見出し */
h1, h2, h3 {
  font-family: var(--cyber-font);
  letter-spacing: 0.06em;
  color: var(--cyber-green);
  text-shadow: 0 0 8px var(--cyber-green);
}

/* ---------- ヘッダー / フッター (site.js が挿入) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px 20px;
  padding: 10px 20px;
  background: rgba(5, 8, 5, 0.92);
  border-bottom: 2px solid var(--cyber-green);
  backdrop-filter: blur(4px);
}
.site-header .logo {
  border: none;
  font-weight: bold;
  font-size: 1.1rem;
  color: var(--cyber-green);
  text-shadow: 0 0 6px var(--cyber-green);
}
.site-header .logo span { color: var(--cyber-green-dim); }
.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  font-size: .85rem;
  letter-spacing: 0.08em;
}
.site-header nav a { border: none; }

.site-footer {
  margin-top: 40px;
  padding: 16px;
  background-color: var(--cyber-bg-panel);
  border-top: 2px solid var(--cyber-green);
  color: var(--cyber-green-dim);
  font-size: 12px;
  text-align: center;
  line-height: 1.8;
}

/* ---------- パネル(カード)共通 ---------- */
.panel {
  background-color: var(--cyber-bg-panel);
  border: 1px solid var(--cyber-green-dim);
  box-shadow: 0 0 12px rgba(57, 255, 106, 0.08);
  position: relative;
}
.panel::before {
  content: "//";
  position: absolute;
  top: -1px;
  left: -1px;
  background: var(--cyber-bg);
  color: var(--cyber-green);
  font-size: 11px;
  padding: 2px 6px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  padding: .7rem 1.6rem;
  border: 1px solid var(--cyber-green-dim);
  background: var(--cyber-green-faint);
  color: var(--cyber-green);
  font-family: var(--cyber-font);
  font-size: 1rem;
  font-weight: bold;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
}
.btn:hover {
  background: var(--cyber-green);
  color: #000;
  text-shadow: none;
  border-color: var(--cyber-green);
}
.btn:disabled { opacity: .4; cursor: default; }

/* ---------- タグ ---------- */
.tag {
  display: inline-block;
  padding: 1px 6px;
  font-size: 11px;
  color: var(--cyber-bg);
  background: var(--cyber-green-dim);
  border: 1px solid var(--cyber-green);
}
.tag.new { background: var(--cyber-green); }

/* スクロールバー (Webkit) */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: var(--cyber-bg); }
::-webkit-scrollbar-thumb {
  background: var(--cyber-green-dim);
  border: 1px solid var(--cyber-green);
}

/* 選択テキスト */
::selection { background: var(--cyber-green); color: #000; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}