:root{
    --bg: #080b14;
    --panel: rgba(16, 21, 38, 0.72);
    --panel-border: rgba(148, 163, 220, 0.16);
    --text: #e7eaf3;
    --text-dim: #8891ab;
    --thrust: #ff9d5c;
    --thrust-dim: #ff9d5c66;
    --accent: #5eead4;
    --accent-dim: #5eead466;
    --warn: #ff6b6b;
    --star: #ffd166;
    --font-display: 'Space Grotesk', 'Segoe UI', system-ui, -apple-system, Roboto, 'Helvetica Neue', sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  }
  :root:not([data-theme="light"]){ color-scheme: dark; }
  @media (prefers-color-scheme: light){
    :root:not([data-theme="dark"]){
      --bg: #0b0e18;
      --panel: rgba(16, 21, 38, 0.78);
    }
  }
  *{ box-sizing: border-box; }
  html, body{
    margin:0; padding:0; width:100%; height:100%;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-display);
    overflow: hidden;
    -webkit-user-select:none; user-select:none;
    overscroll-behavior: none;
  }
  #stage{ position:fixed; inset:0; }
  canvas{ display:block; width:100%; height:100%; }

  .panel{
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 14px;
    backdrop-filter: blur(14px) saturate(140%);
    -webkit-backdrop-filter: blur(14px) saturate(140%);
    box-shadow: 0 8px 30px rgba(0,0,0,0.35);
  }

  /* ---------- Telemetry (top-left) ---------- */
  #telemetry{
    position:fixed; top:calc(16px + env(safe-area-inset-top, 0px)); left:calc(16px + env(safe-area-inset-left, 0px));
    padding:12px 15px;
    width: 178px;
    pointer-events:none;
  }
  .tele-row{
    display:flex; justify-content:space-between; align-items:baseline;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-dim);
    margin: 3px 0;
    gap: 14px;
  }
  .tele-row b{
    color: var(--text);
    font-weight:600;
    letter-spacing: 0.2px;
  }
  #nearest{
    margin-top:8px; padding-top:8px;
    border-top: 1px solid var(--panel-border);
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-dim);
    line-height:1.5;
  }
  #nearest b{ color: var(--accent); font-weight:600; }

  .gauges{ margin-top:10px; padding-top:10px; border-top:1px solid var(--panel-border); display:flex; flex-direction:column; gap:8px; }
  .gauge-label{
    font-family: var(--font-mono); font-size:10px;
    color: var(--text-dim); letter-spacing:0.4px;
    display:flex; justify-content:space-between;
    margin-bottom:4px;
  }
  .gauge-track{
    height:5px; border-radius:4px; background: rgba(255,255,255,0.08);
    overflow:hidden;
  }
  .gauge-fill{ height:100%; border-radius:4px; width:0%; transition: background 0.2s; }
  #throttle-fill{ background: linear-gradient(90deg, var(--thrust-dim), var(--thrust)); }


  /* ---------- Top-right toolbar: Discoveries + Settings ---------- */
  #topbar-right{ position:fixed; top:calc(16px + env(safe-area-inset-top, 0px)); right:calc(16px + env(safe-area-inset-right, 0px)); display:flex; gap:8px; }
  #log-toggle, #settings-toggle{
    padding: 10px 14px;
    display:flex; align-items:center; gap:9px;
    cursor:pointer; text-align:left;
    font-family: var(--font-mono); font-size:12px;
    color: var(--text);
  }
  #settings-toggle{ padding:10px 12px; font-size:14px; }
  #log-toggle .dot{ width:7px; height:7px; border-radius:50%; background:var(--accent); }

  .modal{
    position:fixed; inset:0; display:none;
    align-items:center; justify-content:center;
    background: rgba(4,6,12,0.6);
    z-index: 35;
  }
  .modal.open{ display:flex; }
  .modal-card{
    width: min(420px, 90vw); max-height: 78vh;
    padding: 22px 0 0;
    display:flex; flex-direction:column;
  }
  .modal-head{ padding: 0 22px 14px; display:flex; justify-content:space-between; align-items:center; border-bottom:1px solid var(--panel-border); }
  .tab-bar{ display:flex; gap:4px; padding: 10px 22px 0; border-bottom:1px solid var(--panel-border); }
  .tab-btn{
    padding: 8px 12px; font-family: var(--font-mono); font-size:11.5px;
    color: var(--text-dim); background:transparent; border:none; cursor:pointer;
    border-bottom: 2px solid transparent; margin-bottom:-1px;
  }
  .tab-btn:hover{ color: var(--text); }
  .tab-btn.active{ color: var(--accent); border-bottom-color: var(--accent); }
  .stat-line{ display:flex; justify-content:space-between; padding:12px 22px; border-bottom:1px solid var(--panel-border); font-size:12.5px; }
  .stat-line:last-child{ border-bottom:none; }
  .stat-line b{ font-family:var(--font-mono); color:var(--accent); }
  .sys-item{ padding:12px 22px; border-bottom:1px solid var(--panel-border); font-size:12.5px; }
  .sys-item:last-child{ border-bottom:none; }
  .sys-item .name{ font-weight:600; color:var(--text); font-size:13.5px; }
  .sys-item .meta{ color:var(--text-dim); font-size:11.5px; margin-top:4px; }
  .modal-head h3{ margin:0; font-size:16px; font-weight:600; }
  .modal-close{ cursor:pointer; color:var(--text-dim); font-family:var(--font-mono); font-size:12px; border:1px solid var(--panel-border); border-radius:8px; padding:4px 9px; background:transparent; }
  .modal-close:hover{ color:var(--text); }
  .modal-body{ overflow-y:auto; padding: 4px 0 12px; }

  #log-empty{ padding: 20px 22px; font-size:12.5px; color:var(--text-dim); }
  .log-item{
    cursor:pointer;
    padding: 12px 22px; border-bottom:1px solid var(--panel-border);
    font-size:12.5px;
  }
  .log-item:last-child{ border-bottom:none; }
  .log-item:hover{ background: rgba(255,255,255,0.03); }
  .log-item .name{ font-weight:600; color:var(--text); font-size:13.5px; }
  .log-item .cls{ color: var(--accent); font-family: var(--font-mono); font-size:10.5px; margin-top:3px; }
  .log-item .meta{ color: var(--text-dim); font-size:11.5px; margin-top:5px; line-height:1.5; }

  .setting-row{ padding: 14px 22px; border-bottom:1px solid var(--panel-border); }
  .setting-row:last-child{ border-bottom:none; }
  .setting-label{ font-size:12.5px; color:var(--text-dim); margin-bottom:9px; }
  .setting-options{ display:flex; gap:8px; }
  .setting-btn{
    flex:1; text-align:center; padding:8px 0; border-radius:8px;
    font-family: var(--font-mono); font-size:11.5px;
    cursor:pointer; border:1px solid var(--panel-border); background:transparent;
    color:var(--text-dim); transition: all 0.15s ease;
  }
  .setting-btn:hover{ color:var(--text); }
  .setting-btn.active{ color:#08150f; background: var(--accent); border-color:var(--accent); }
  .swatch{ width:14px; height:14px; border-radius:50%; display:inline-block; margin-right:6px; vertical-align:-2px; border:1px solid rgba(0,0,0,0.3); }

  /* ---------- Minimap + autopilot (bottom-right) ---------- */
  #minimap{
    position:fixed; bottom:calc(18px + env(safe-area-inset-bottom, 0px)); right:calc(16px + env(safe-area-inset-right, 0px));
    width:120px; height:120px; border-radius:50%;
    background: radial-gradient(circle at center, rgba(30,38,66,0.55), rgba(10,13,24,0.75));
    border: 1px solid var(--panel-border);
  }
  #autopilot-btn, #systemview-btn{
    position:fixed; right:calc(16px + env(safe-area-inset-right, 0px));
    font-family: var(--font-display); font-weight:600; font-size:12px;
    color: var(--text-dim);
    background: var(--panel);
    border: 1px solid var(--panel-border);
    border-radius: 10px;
    padding: 8px 13px;
    cursor:pointer;
    transition: all 0.15s ease;
    backdrop-filter: blur(14px);
  }
  #autopilot-btn{ bottom: calc(148px + env(safe-area-inset-bottom, 0px)); }
  #systemview-btn{ bottom: calc(188px + env(safe-area-inset-bottom, 0px)); }
  #autopilot-btn:hover, #systemview-btn:hover{ color:var(--text); border-color: var(--accent-dim); }
  #autopilot-btn.on{ color:#08150f; background: var(--accent); border-color:var(--accent); }
  #systemview-btn.on{ color:#08150f; background: var(--thrust); border-color:var(--thrust); }

  /* ---------- Joystick (bottom-left) ---------- */
  #joystick-touchzone{
    position:fixed; left:0; top:0; bottom:0; width:60%;
    pointer-events:none;
    touch-action:none;
  }
  #joystick-touchzone.active{ pointer-events:auto; }
  #joystick-zone{
    position:fixed; left:calc(20px + env(safe-area-inset-left, 0px)); bottom:calc(20px + env(safe-area-inset-bottom, 0px));
    width:112px; height:112px;
    touch-action:none;
    opacity:1; transition: opacity 0.18s ease;
  }
  #joystick-zone.floating-mode{ opacity:0; pointer-events:none; }
  #joystick-zone.floating-mode.visible{ opacity:1; }
  #joystick-base{
    width:100%; height:100%; border-radius:50%;
    border:2px solid var(--panel-border);
    background: rgba(16,21,38,0.55);
    position:relative;
  }
  #joystick-ring{
    position:absolute; inset:-2px; border-radius:50%;
    border:2px solid var(--accent);
    opacity:0; transition: opacity 0.15s ease;
    pointer-events:none;
  }
  #joystick-ring.active{ opacity:0.7; }
  #joystick-base::after{
    content:''; position:absolute; inset:0; margin:auto;
    width:4px; height:4px; border-radius:50%;
    background: rgba(148,163,220,0.5);
    top:50%; left:50%; transform:translate(-50%,-50%);
  }
  #joystick-knob{
    position:absolute; left:50%; top:50%;
    width:40px; height:40px; margin-left:-20px; margin-top:-20px;
    border-radius:50%;
    background: var(--thrust);
    border: 2px solid #1a1006;
  }
  #joystick-knob.snap{ transition: transform 0.2s ease; }
  #joystick-zone.disabled #joystick-base{ opacity:0.35; }

  /* ---------- Live update toast ---------- */
  #toast{
    position:fixed; top:calc(70px + env(safe-area-inset-top, 0px)); left:50%;
    transform:translateX(-50%) translateY(-24px); opacity:0; pointer-events:none;
    max-width:min(560px, 92vw);
    padding: 11px 18px; display:flex; align-items:center; gap:10px;
    font-size:12.5px; line-height:1.4;
    transition: transform 0.35s cubic-bezier(.2,.9,.25,1), opacity 0.25s ease;
    z-index: 50;
  }
  #toast.show{ transform:translateX(-50%) translateY(0); opacity:1; }
  #toast .icon{ font-size:15px; }
  #toast b{ color: var(--accent); }

  /* ---------- Landing panel ---------- */
  #landing{
    position:fixed; inset:0; display:none;
    align-items:center; justify-content:center;
    background: rgba(4,6,12,0.55);
    z-index: 30;
  }
  #landing.show{ display:flex; }
  #landing-card{
    width: min(360px, 86vw);
    padding: 26px 26px 22px;
  }
  #landing-card .badge{
    font-family: var(--font-mono); font-size:10.5px; letter-spacing:0.5px;
    color: var(--accent);
  }
  #landing-card h2{
    margin: 8px 0 2px; font-size: 21px; font-weight:600;
  }
  #landing-card .subtitle{ color:var(--text-dim); font-size:12.5px; margin-bottom:16px; }
  .stat-grid{
    display:grid; grid-template-columns: 1fr 1fr; gap: 10px 16px;
    margin-bottom: 20px;
  }
  .stat{ font-family: var(--font-mono); }
  .stat .k{ font-size:10px; color:var(--text-dim); letter-spacing:0.3px; }
  .stat .v{ font-size:14px; color:var(--text); margin-top:2px; }
  .landing-actions{ display:flex; gap:10px; }
  .btn{
    flex:1; text-align:center; padding:11px 0; border-radius:10px;
    font-family: var(--font-display); font-weight:600; font-size:13px;
    cursor:pointer; border:1px solid var(--panel-border); background:transparent;
    color:var(--text); transition: all 0.15s ease;
  }
  .btn:hover{ border-color: var(--accent-dim); }
  .btn.primary{ background: var(--accent); color:#08150f; border-color:var(--accent); }
  .btn.primary:hover{ filter:brightness(1.08); }
  .btn.done{ opacity:0.5; pointer-events:none; }

  /* ---------- Intro overlay ---------- */
  #intro{
    position:fixed; inset:0; z-index:40;
    display:flex; align-items:center; justify-content:center;
    background: radial-gradient(ellipse at 50% 30%, rgba(30,40,70,0.5), var(--bg) 70%);
  }
  #intro-card{ width:min(400px, 88vw); padding: 30px 28px 26px; text-align:left; }
  #intro-card .kicker{ font-family:var(--font-mono); font-size:11px; color:var(--accent); letter-spacing:0.5px; }
  #intro-card h1{ font-size:26px; margin:10px 0 4px; font-weight:700; }
  #intro-card p{ color:var(--text-dim); font-size:13px; line-height:1.6; margin: 0 0 18px; }
  #intro-card .rule{ display:flex; gap:10px; align-items:flex-start; margin-bottom:10px; font-size:12.5px; color:var(--text-dim); }
  #intro-card .rule b{ color:var(--text); font-weight:600; }
  #intro-card .glyph{ font-family:var(--font-mono); color:var(--accent); width:20px; flex-shrink:0; }
  #start-btn{ width:100%; margin-top: 16px; padding:13px 0; }

  #hint{
    position:fixed; bottom: calc(42px + env(safe-area-inset-bottom, 0px)); left:50%; transform:translateX(-50%);
    font-family: var(--font-mono); font-size:11px; color: var(--text-dim);
    opacity:1; transition: opacity 0.6s ease; pointer-events:none;
    text-align:center;
  }
  #hint.hide{ opacity:0; }

  /* ---------- v2.2 polish ---------- */
  .hidden{ display:none !important; }
  button{ font-family:inherit; }
  button:focus-visible, .setting-btn:focus-visible, .tab-btn:focus-visible, .modal-close:focus-visible{
    outline:2px solid var(--accent); outline-offset:2px;
  }
  .swatch.sw-cyan{ background:#d7e2ff; } .swatch.sw-amber{ background:#ffcf7a; } .swatch.sw-terminal{ background:#8dffb0; }
  .pb-body{ padding:18px 22px; }
  .pb-class{ color:var(--text-dim); font-size:12.5px; margin-bottom:16px; }
  .span-all{ grid-column:1 / -1; }
  .mb18{ margin-bottom:18px; }
  .btn-small{ display:block; width:100%; margin-top:8px; padding:7px 0; }
  #nearest .ok{ color:#5eead4; }
  #nearest .bad{ color:#ff6b6b; }
  .setting-btn.danger{ color:var(--warn); border-color: rgba(255,107,107,0.35); }
  .setting-btn.danger.armed{ background:var(--warn); color:#1a0808; border-color:var(--warn); }
  .pause-actions{ display:flex; flex-direction:column; gap:10px; padding:18px 22px 22px; }
  .noscript{
    position:fixed; inset:0; z-index:100; display:flex; align-items:center; justify-content:center;
    text-align:center; padding:24px; background:var(--bg); color:var(--text); font-family:var(--font-display);
  }
  #intro-card{ width:min(430px, 90vw); max-height:92vh; overflow-y:auto; padding:26px 26px 22px; }
  .brand{ display:flex; align-items:center; gap:14px; margin-bottom:14px; }
  .logo{ width:46px; height:46px; color:var(--accent); flex-shrink:0; }
  #intro-card h1{ font-size:32px; margin:0; letter-spacing:1px; }
  #intro-card .tagline{ margin:0 0 4px; }
  .continue-note{ margin-top:10px; font-size:12px; color:var(--accent); text-align:center; }
  .howto-title{
    margin:20px 0 10px; font-family:var(--font-mono); font-size:10.5px; letter-spacing:0.8px;
    color:var(--text-dim); text-transform:uppercase;
  }
  .kbd{
    font-family:var(--font-mono); font-size:10.5px; color:var(--text);
    border:1px solid var(--panel-border); border-radius:5px; padding:1px 5px;
  }
  .credit{ margin-top:16px; font-family:var(--font-mono); font-size:10.5px; color:var(--text-dim); opacity:0.7; }
  @media (prefers-reduced-motion: reduce){
    *{ transition:none !important; animation:none !important; scroll-behavior:auto !important; }
  }

  ::-webkit-scrollbar{ width:6px; }
  ::-webkit-scrollbar-thumb{ background: rgba(255,255,255,0.15); border-radius:3px; }