:root {
    --green: #33ff33;
    --green-dim: #1a8c1a;
    --green-faint: #0d4d0d;
    --bg: #030903;
    --amber: #ffb000;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    background: var(--bg);
    color: var(--green);
    font-family: 'Share Tech Mono', monospace;
    font-size: 15px;
    line-height: 1.6;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }
  body::before {
    content: '';
    position: fixed; inset: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.08) 2px, rgba(0,0,0,0.08) 4px);
    pointer-events: none;
    z-index: 100;
  }
  body::after {
    content: '';
    position: fixed; inset: 0;
    background: radial-gradient(ellipse at 50% 50%, transparent 60%, rgba(0,0,0,0.7) 100%);
    pointer-events: none;
    z-index: 100;
  }
  #terminal {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 25vh;
    border: 1px solid var(--green-dim);
    border-bottom: none;
    box-shadow: 0 0 0 1px #000, 0 0 20px rgba(51,255,51,0.08), inset 0 0 60px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    background: rgba(3,9,3,0.65);
    backdrop-filter: blur(1px);
    z-index: 20;
  }
  #titlebar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 12px;
    border-bottom: 1px solid var(--green-faint);
    font-size: 11px;
    color: var(--green-dim);
    letter-spacing: 0.15em;
    flex-shrink: 0;
  }
  #titlebar .score-area { display: flex; gap: 20px; }
  #titlebar span b { color: var(--green); }
  #output {
    flex: 1;
    overflow-y: auto;
    padding: 16px 20px 8px;
    scroll-behavior: smooth;
  }
  #output::-webkit-scrollbar { width: 6px; }
  #output::-webkit-scrollbar-track { background: transparent; }
  #output::-webkit-scrollbar-thumb { background: var(--green-faint); }
  .line { margin-bottom: 2px; white-space: pre-wrap; word-break: break-word; }
  .line.room { color: var(--green); font-family: 'VT323', monospace; font-size: 18px; letter-spacing: 0.05em; margin-top: 10px; margin-bottom: 2px; }
  .line.desc { color: #22cc22; }
  .line.cmd { color: var(--green-dim); }
  .line.sys { color: var(--amber); }
  .line.err { color: #cc4444; }
  .line.ok { color: var(--green); }
  .line.sidekick { color: #7fffd4; }
  .line.hr { border-top: 1px solid var(--green-faint); margin: 8px 0; }
  .line.score-change { color: var(--amber); }
  #input-area {
    display: flex;
    align-items: center;
    padding: 8px 20px 12px;
    border-top: 1px solid var(--green-faint);
    flex-shrink: 0;
    gap: 8px;
  }
  #prompt-label { color: var(--green-dim); user-select: none; flex-shrink: 0; }
  #cmd {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--green);
    font-family: 'Share Tech Mono', monospace;
    font-size: 15px;
    caret-color: var(--green);
  }
  #cmd::placeholder { color: var(--green-faint); }
  @keyframes flicker {
    0%,100%{opacity:1} 5%{opacity:.9} 10%{opacity:1} 15%{opacity:.85} 20%{opacity:1}
    50%{opacity:.97} 51%{opacity:.7} 52%{opacity:1}
  }
  #terminal { animation: flicker 0.6s ease-out; }

  /* ── Video background ── */
  #bg-video {
    position: fixed; inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.45;
  }
  /* darken + vignette overlay */
  #bg-overlay {
    position: fixed; inset: 0;
    background:
      radial-gradient(ellipse at 50% 40%, rgba(0,0,0,0.25) 0%, rgba(0,0,0,0.75) 100%);
    z-index: 1;
    pointer-events: none;
  }
  /* push CRT layers and terminal above video */
  body::before, body::after { z-index: 10; }


  /** MAP css below **/

    @import url('https://fonts.googleapis.com/css2?family=Share+Tech+Mono&family=VT323&display=swap');

  :root {
    --green: #33ff33;
    --green-dim: #1a8c1a;
    --green-faint: #0d4d0d;
    --bg: #030903;
    --amber: #ffb000;
  }

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

  body {
    background: var(--bg);
    color: var(--green);
    font-family: 'Share Tech Mono', monospace;
    font-size: 15px;
    line-height: 1.6;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
  }

  /* CRT scanlines */
  body::before {
    content: '';
    position: fixed; inset: 0;
    background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,0,0,0.08) 2px, rgba(0,0,0,0.08) 4px);
    pointer-events: none;
    z-index: 9998;
  }
  /* vignette */
  body::after {
    content: '';
    position: fixed; inset: 0;
    background: radial-gradient(ellipse at 50% 50%, transparent 60%, rgba(0,0,0,0.7) 100%);
    pointer-events: none;
    z-index: 9997;
  }

  @keyframes flicker {
    0%,100%{opacity:1} 5%{opacity:.9} 10%{opacity:1} 15%{opacity:.85} 20%{opacity:1}
    50%{opacity:.97} 51%{opacity:.7} 52%{opacity:1}
  }
  @keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to   { opacity: 1; transform: scale(1); }
  }

  /* ── Toggle Button ── */
  #toggle-btn {
    position: fixed;
    top: 28px;
    right: 28px;
    z-index: 9999;
    background: var(--bg);
    color: var(--green);
    border: 1px solid var(--green-dim);
    font-family: 'Share Tech Mono', monospace;
    font-size: 13px;
    letter-spacing: 0.15em;
    padding: 10px 20px;
    cursor: pointer;
    text-transform: uppercase;
    box-shadow: 0 0 12px rgba(51,255,51,0.2), inset 0 0 8px rgba(51,255,51,0.04);
    transition: all 0.15s ease;
  }
  #toggle-btn:hover {
    background: var(--green-faint);
    color: var(--green);
    box-shadow: 0 0 24px rgba(51,255,51,0.45);
    border-color: var(--green);
  }
  #toggle-btn .icon { margin-right: 8px; }

  #history-graph-btn {
    position: fixed;
    top: 84px;
    right: 28px;
    z-index: 8500;
    background: var(--bg);
    color: #7fffd4;
    border: 1px solid var(--green-dim);
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.15em;
    padding: 8px 12px;
    cursor: pointer;
    text-transform: uppercase;
    box-shadow: 0 0 10px rgba(127,255,212,0.15), inset 0 0 8px rgba(51,255,51,0.04);
  }
  #history-graph-btn:hover {
    border-color: #7fffd4;
    box-shadow: 0 0 18px rgba(127,255,212,0.35);
  }

  #history-graph-panel {
    display: none;
    position: fixed;
    top: 126px;
    right: 28px;
    width: 320px;
    height: 280px;
    z-index: 8400;
    border: 1px solid var(--green-dim);
    background: rgba(3,9,3,0.9);
    box-shadow: 0 0 0 1px #000, 0 0 24px rgba(51,255,51,0.08), inset 0 0 40px rgba(0,0,0,0.55);
    backdrop-filter: blur(1px);
    overflow: hidden;
  }
  #history-graph-panel.open { display: block; }
  .history-graph-header {
    height: 28px;
    padding: 6px 10px;
    border-bottom: 1px solid var(--green-faint);
    color: #7fffd4;
    font-size: 11px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
  }
  #history-graph-summary {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px 10px;
    padding: 8px 10px;
    border-bottom: 1px solid rgba(13,77,13,0.8);
    color: var(--green-dim);
    font-size: 10px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
  }
  #history-graph-summary span {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  #history-graph-summary b {
    color: var(--green);
    font-weight: normal;
  }
  #history-graph {
    position: relative;
    width: 100%;
    height: calc(100% - 88px);
    overflow: hidden;
    border-top: 1px solid rgba(13,77,13,0.35);
  }
  #history-graph canvas {
    display: block;
  }

  /* ── Overlay ── */
  #overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9000;
    background: rgba(3,9,3,0.97);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 12px 16px 12px;
    overflow: hidden;
    animation: fadeIn 0.2s ease, flicker 0.5s ease-out;
  }
  #overlay.open { display: flex; }

  /* ── Header ── */
  .map-header {
    text-align: center;
    margin-bottom: 8px;
    flex-shrink: 0;
    border-bottom: 1px solid var(--green-faint);
    padding-bottom: 8px;
    width: 100%;
  }
  .map-header h1 {
    font-family: 'VT323', monospace;
    font-size: clamp(22px, 3vw, 34px);
    color: var(--green);
    letter-spacing: 0.2em;
    text-shadow: 0 0 16px rgba(51,255,51,0.6);
    text-transform: uppercase;
  }
  .map-header p {
    font-family: 'Share Tech Mono', monospace;
    color: var(--green-dim);
    font-size: 11px;
    margin-top: 2px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
  }

  /* ── Tabs ── */
  .tab-bar {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
    flex-wrap: wrap;
    justify-content: center;
    flex-shrink: 0;
  }
  .tab {
    font-family: 'Share Tech Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 5px 12px;
    border: 1px solid var(--green-faint);
    background: var(--bg);
    color: var(--green-dim);
    cursor: pointer;
    transition: all 0.12s;
  }
  .tab:hover { border-color: var(--green-dim); color: var(--green); }
  .tab.active {
    background: var(--green-faint);
    border-color: var(--green);
    color: var(--green);
    box-shadow: 0 0 10px rgba(51,255,51,0.2);
    text-shadow: 0 0 8px rgba(51,255,51,0.5);
  }
  .tab .num { color: var(--amber); margin-right: 5px; }

  /* ── Map Frame ── */
  .map-frame {
    border: 1px solid var(--green-dim);
    box-shadow: 0 0 0 1px #000, 0 0 30px rgba(51,255,51,0.07), inset 0 0 60px rgba(0,0,0,0.5);
    background: rgba(3,9,3,0.65);
    width: 100%;
    flex: 1 1 0;
    min-height: 0;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    justify-content: center;
  }
  /* scanlines over the map image */
  .map-frame::before {
    content: '';
    position: absolute;
    inset: 0;
    background: repeating-linear-gradient(
      0deg, transparent, transparent 3px,
      rgba(0,0,0,0.07) 3px, rgba(0,0,0,0.07) 4px
    );
    pointer-events: none;
    z-index: 2;
  }
  /* phosphor corner tag */
  .map-frame::after {
    content: '[MAP.DAT]';
    position: absolute;
    top: 6px; right: 10px;
    color: var(--green-faint);
    font-family: 'Share Tech Mono', monospace;
    font-size: 10px;
    letter-spacing: 0.15em;
    z-index: 3;
    pointer-events: none;
  }

  .map-page {
    display: none;
    width: 100%;
    height: 100%;
    position: absolute;
    inset: 0;
  }
  .map-page.active { display: block; }
  .map-page img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center;
    display: block;
    /* green phosphor tint to match terminal palette */
    filter: sepia(0.2) hue-rotate(65deg) brightness(0.92) contrast(1.1);
  }

  /* ── Navigation ── */
  .nav-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    margin-top: 8px;
    flex-shrink: 0;
    border-top: 1px solid var(--green-faint);
    padding-top: 8px;
  }
  .nav-btn {
    font-family: 'Share Tech Mono', monospace;
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--green);
    background: transparent;
    border: 1px solid var(--green-faint);
    padding: 7px 16px;
    cursor: pointer;
    transition: all 0.12s;
    text-transform: uppercase;
  }
  .nav-btn:hover {
    border-color: var(--green);
    background: var(--green-faint);
    box-shadow: 0 0 10px rgba(51,255,51,0.2);
  }
  .nav-btn:disabled { opacity: 0.2; cursor: not-allowed; }
  .page-indicator {
    font-family: 'Share Tech Mono', monospace;
    color: var(--green-dim);
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
  }
  .page-indicator span { color: var(--amber); }

  .close-hint { display: none; }

   /* ── Mobile Warning Popup ── */
  #mobile-warning {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: rgba(3,9,3,0.97);
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: fadeIn 0.25s ease, flicker 0.5s ease-out;
  }
  #mobile-warning.show { display: flex; }
  .mobile-warning-box {
    border: 1px solid var(--green-dim);
    background: var(--bg);
    box-shadow: 0 0 30px rgba(51,255,51,0.12), inset 0 0 40px rgba(0,0,0,0.6);
    padding: 32px 28px 24px;
    max-width: 420px;
    width: 100%;
    text-align: center;
    position: relative;
  }
  .mobile-warning-box::before {
    content: '! WARNING !';
    display: block;
    font-family: 'VT323', monospace;
    font-size: 13px;
    letter-spacing: 0.25em;
    color: var(--amber);
    margin-bottom: 16px;
    text-shadow: 0 0 8px rgba(255,176,0,0.5);
  }
  .mobile-warning-box p {
    font-family: 'Share Tech Mono', monospace;
    font-size: 14px;
    color: var(--green);
    line-height: 1.7;
    letter-spacing: 0.04em;
    margin-bottom: 24px;
  }
  .mobile-warning-box p .highlight {
    color: var(--amber);
  }
  #mobile-ok-btn {
    font-family: 'Share Tech Mono', monospace;
    font-size: 13px;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--green);
    background: var(--green-faint);
    border: 1px solid var(--green);
    padding: 10px 36px;
    cursor: pointer;
    box-shadow: 0 0 12px rgba(51,255,51,0.2);
    transition: all 0.15s ease;
  }
  #mobile-ok-btn:hover {
    background: var(--green-dim);
    box-shadow: 0 0 24px rgba(51,255,51,0.45);
  }

  .link-home {
    position: absolute;
    top: 12px;
    left: 12px;
    z-index:10;
    /* display: flex; */
    /* z-index: 20; */
    width: 32px; 
    height: 32px;
    /* position: absolute; */
    justify-content: center;
    /* margin: 20px; */
    background-image: url("./images/mini_logo.png");
    background-position: center center;
    background-repeat:no-repeat;
    /* background-color: #ffffff; */
    background-size: contain;
}