:root {
  --bg: #060907;
  --panel: #0b120d;
  --fg: #39ff88;
  --fg-dim: #1f8f52;
  --accent: #ff9900;
  --line: #1c3a24;
  --mono: "IBM Plex Mono", "JetBrains Mono", Consolas, "Courier New", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.6;
}

body {
  position: relative;
  min-height: 100vh;
  padding: 0 0 4rem;
}

a { color: var(--fg); text-decoration: none; border-bottom: 1px dashed var(--fg-dim); }
a:hover { color: var(--accent); border-color: var(--accent); }

.scanlines {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    rgba(57, 255, 136, 0.035) 0px,
    rgba(57, 255, 136, 0.035) 1px,
    transparent 2px,
    transparent 3px
  );
  z-index: 50;
  mix-blend-mode: overlay;
}

.blink { animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* terminal button + overlay */
.term-toggle {
  background: none;
  border: 1px solid var(--fg-dim);
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.8em;
  padding: 0.3rem 0.6rem;
  cursor: pointer;
}
.term-toggle:hover { border-color: var(--accent); color: var(--accent); }

.term-overlay[hidden] { display: none; }
.term-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(2, 4, 2, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.term-screen {
  width: 100%;
  max-width: 700px;
  height: min(70vh, 480px);
  display: flex;
  flex-direction: column;
  background: var(--panel);
  border: 1px solid var(--accent);
  box-shadow: 0 0 24px rgba(255, 153, 0, 0.25), inset 0 0 40px rgba(57, 255, 136, 0.05);
  clip-path: polygon(0 16px, 16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.term-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.9rem;
  border-bottom: 1px solid var(--line);
  color: var(--accent);
  font-size: 0.85em;
  letter-spacing: 0.05em;
}
.term-head button {
  background: none;
  border: none;
  color: var(--fg);
  cursor: pointer;
  font-family: inherit;
}

.term-output {
  flex: 1;
  overflow-y: auto;
  padding: 0.9rem;
  white-space: pre-wrap;
  font-size: 0.9em;
}

.term-input-line {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  padding: 0.6rem 0.9rem;
  border-top: 1px solid var(--line);
}
.term-prompt { color: var(--accent); font-size: 0.9em; }
.term-input-line input {
  flex: 1;
  background: none;
  border: none;
  color: var(--fg);
  font-family: var(--mono);
  font-size: 0.9em;
  caret-color: var(--accent);
}
.term-input-line input:focus { outline: none; }

/* HUD bar */
.hud-bar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(57,255,136,0.05), transparent);
}
.hud-bar .logo { font-weight: bold; letter-spacing: 0.1em; border-bottom: none; }
.hud-bar nav { display: flex; align-items: center; gap: 0.9rem; }
.hud-bar nav a { border-bottom: none; font-size: 0.85em; opacity: 0.8; }

.hud-corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border-color: var(--accent);
}
.hud-corner.tl { top: 2px; left: 2px; border-top: 2px solid; border-left: 2px solid; }
.hud-corner.tr { top: 2px; right: 2px; border-top: 2px solid; border-right: 2px solid; }
.hud-corner.bl { bottom: 2px; left: 2px; border-bottom: 2px solid; border-left: 2px solid; }
.hud-corner.br { bottom: 2px; right: 2px; border-bottom: 2px solid; border-right: 2px solid; }

main {
  max-width: 760px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

/* mecha panel */
.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 12px, 12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  padding: 2rem;
}

h1 {
  margin-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 1.2rem;
  color: var(--accent);
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.75rem;
}

.toc { list-style: none; padding: 0; margin: 1rem 0 0; }
.toc li { padding: 0.4rem 0; border-bottom: 1px dotted var(--line); }
.toc li::before { content: "> "; color: var(--accent); }

.empty { opacity: 0.6; }

.content p { margin: 0 0 1.1em; }

.pager {
  display: flex;
  justify-content: space-between;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-size: 0.9em;
}

.hidden-cmd {
  cursor: pointer;
  color: var(--fg);
  border-bottom: 1px dotted var(--accent);
  text-shadow: 0 0 6px rgba(255, 153, 0, 0.5);
}
.hidden-cmd:hover { color: var(--accent); }
.hidden-cmd.discovered { color: var(--accent); border-bottom-style: solid; text-shadow: none; }

.term-secrets {
  border-top: 1px solid var(--line);
  padding: 0.4rem 0.9rem;
  font-size: 0.85em;
}
.term-secrets-toggle {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  font-family: inherit;
  font-size: 1em;
  padding: 0.3rem 0;
}
.term-secrets-list { margin-top: 0.3rem; }
.term-secret-item {
  padding: 0.2rem 0;
  cursor: pointer;
  color: var(--fg-dim);
}
.term-secret-item:hover { color: var(--accent); }

.btn {
  display: inline-block;
  margin: 0.5rem 0 1rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  background: rgba(255, 153, 0, 0.08);
}
.btn:hover { background: rgba(255, 153, 0, 0.2); color: var(--accent); }

.admin-table { width: 100%; border-collapse: collapse; margin-top: 1rem; }
.admin-table th, .admin-table td { text-align: left; padding: 0.5rem; border-bottom: 1px solid var(--line); }
.admin-table .actions { display: flex; gap: 0.75rem; }
.admin-table button { background: none; border: none; color: var(--fg); text-decoration: underline; cursor: pointer; font-family: inherit; }
.admin-table form { display: inline; }

.form { display: flex; flex-direction: column; gap: 1rem; margin-top: 1rem; }
.form label { display: flex; flex-direction: column; gap: 0.3rem; font-size: 0.85em; opacity: 0.85; }
.form label.checkbox { flex-direction: row; align-items: center; gap: 0.5rem; }
.form input, .form textarea {
  background: var(--bg);
  border: 1px solid var(--line);
  color: var(--fg);
  padding: 0.5rem;
  font-family: var(--mono);
  font-size: 1em;
}
.form input:focus, .form textarea:focus { outline: none; border-color: var(--accent); }