/* ============================================================================
   WANKLE3D — full-screen command-panel UI. Monospace, hard edges, bold panels,
   minimal gradients. Soft-cursor model: HUD + menu are real clickable DOM.
   ============================================================================ */
   :root {
    --bg: #07090d;
    --panel: #0d1118;
    --panel2: #11161f;
    --panel3: #161d28;
    --line: #1e2836;
    --line2: #2c3a4e;
    --text: #d3dbe6;
    --muted: #65707f;
    --accent: #3a63f0;
    --accent-dim: #224acf;
    --accent-soft: rgba(58, 99, 240, 0.12);
    --amber: #f0a830;
    --red: #ed4245;
    --green: #43b581;
    --gold: #ffd54a;
    --transition: 160ms ease;
  }
  
  * { margin: 0; padding: 0; box-sizing: border-box; }
  [hidden] { display: none !important; }   /* beat class rules like .nav-btn{display:flex} */
  html, body { height: 100%; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'DejaVu Sans Mono', 'Consolas', 'Courier New', monospace;
    overflow: hidden;
    user-select: none;
    -webkit-user-select: none;
  }
  #gameCanvas {
    position: fixed; inset: 0;
    width: 100%; height: 100%;
    display: block; background: #05060a; z-index: 0; cursor: none;
  }
  /* Hide the OS cursor only over the play surface — a crosshair is drawn there.
     HUD/menu controls keep a real pointer so they stay clickable mid-match. */
  body.game-active #gameCanvas { cursor: none; }
  
  button { font-family: inherit; cursor: pointer; }
  input, select { font-family: inherit; }
  
  /* ============================== HUD ============================== */
  #hud { position: fixed; inset: 0; z-index: 10; pointer-events: none; }
  /* Overlays are click-through (so the camera stays controllable while dead /
     spectating); only their actual buttons take the pointer. */
  #hud button { pointer-events: auto; }
  
  .hud-topbar {
    position: absolute; top: 10px; left: 10px; right: 10px;
    display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  }
  .hud-controls { display: flex; gap: 6px; }
  
  .hud-btn {
    background: rgba(13, 17, 24, 0.78); color: var(--text);
    border: 2px solid var(--line2); padding: 7px 11px;
    font-size: 13px; line-height: 1; letter-spacing: 1px; min-width: 34px;
    display: inline-flex; align-items: center; justify-content: center; gap: 7px;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
  }
  .hud-btn:hover { background: var(--accent-dim); border-color: var(--accent); color: #fff; }
  .hud-btn-menu { font-size: 11px; letter-spacing: 2px; padding: 7px 13px; }
  .hud-btn-bars { font-size: 15px; }
  
  .hud-stats { display: flex; flex-direction: column; gap: 4px; }
  .hud-stats .stat {
    display: flex; justify-content: space-between; gap: 14px; min-width: 138px;
    background: rgba(13, 17, 24, 0.72); border-left: 3px solid var(--accent);
    padding: 4px 10px; font-size: 12px; letter-spacing: 1px;
  }
  .hud-stats .stat span { color: var(--muted); }
  .hud-stats .stat b { color: var(--text); }
  
  .hud-side {
    position: absolute; top: 56px; right: 10px; width: 190px;
    display: flex; flex-direction: column; gap: 2px;
  }
  .hud-side .srow {
    display: flex; align-items: center; gap: 8px; justify-content: space-between;
    background: rgba(13, 17, 24, 0.72); border: 1px solid var(--line);
    padding: 3px 9px; font-size: 11px; letter-spacing: 1px;
  }
  .hud-side .srow span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; flex: 1; }
  .hud-side .srow b { color: var(--amber); }
  .hud-side .srow.me { border-color: var(--accent); background: rgba(34, 74, 207, 0.22); }
  .hud-side .srow .t { width: 9px; height: 9px; display: inline-block; }
  .t0 { background: #3a63f0; } .t1 { background: #e74c3c; } .t2 { background: #2ecc71; } .t3 { background: #f1c40f; }
  .hud-side .muted { color: var(--muted); }
  
  /* Killfeed — top-right, left of the scoreboard column, newest at the bottom. */
  .killfeed {
    position: absolute; top: 56px; right: 210px; width: 280px;
    display: flex; flex-direction: column; gap: 3px; align-items: flex-end;
    pointer-events: none;
  }
  .kf-line {
    background: rgba(13, 17, 24, 0.78); border: 1px solid var(--line);
    border-right: 3px solid var(--line2);
    padding: 3px 9px; font-size: 11px; letter-spacing: 1px; color: var(--text);
    max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
    transition: opacity .7s;
  }
  .kf-line.kf-mine { border-right-color: var(--amber); color: var(--amber); }
  .kf-line.kf-fade { opacity: 0; }
  
  /* Floating nametags over other players' tanks. */
  .nametags { position: absolute; inset: 0; overflow: hidden; pointer-events: none; }
  body:not(.game-active) .nametags { display: none; }
  .nametag {
    position: absolute; left: 0; top: 0; will-change: transform;
    font-size: 22px; font-weight: 700; letter-spacing: 0.5px;
    color: #ffffff; white-space: nowrap;
    text-shadow:
      -2px -2px 0 var(--nt-color, rgba(0,0,0,1)),
       2px -2px 0 var(--nt-color, rgba(0,0,0,1)),
      -2px  2px 0 var(--nt-color, rgba(0,0,0,1)),
       2px  2px 0 var(--nt-color, rgba(0,0,0,1)),
      -1px  0   0 var(--nt-color, rgba(0,0,0,1)),
       1px  0   0 var(--nt-color, rgba(0,0,0,1)),
       0   -1px 0 var(--nt-color, rgba(0,0,0,1)),
       0    1px 0 var(--nt-color, rgba(0,0,0,1)),
       0    0  10px rgba(0,0,0,0.95);
    opacity: 1;
  }
  /* Glowing dot in the tank's color before the name */
  .nametag::before {
    content: '●';
    margin-right: 5px;
    font-size: 10px;
    color: var(--nt-color, #ffffff);
    text-shadow: 0 0 5px var(--nt-color, #ffffff);
    vertical-align: middle;
  }
  .nametag.nt-team.t0 { color: #7a96f5; } .nametag.nt-team.t1 { color: #ef7e74; }
  .nametag.nt-team.t2 { color: #6fdca0; } .nametag.nt-team.t3 { color: #f5d667; }
  
  /* In-game chat speech bubble above the sender's tank. */
  .chat-bubble {
    position: absolute; left: 0; top: 0; will-change: transform;
    max-width: 240px; padding: 4px 9px;
    background: rgba(10, 13, 19, 0.88); border: 1px solid var(--line2);
    border-bottom: 2px solid var(--accent);
    font-size: 11px; line-height: 1.35; color: var(--text);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  
  /* Hold-Tab lobby leaderboard. */
  .tab-board {
    position: absolute; top: 18%; left: 50%; transform: translateX(-50%);
    width: min(440px, 90vw); z-index: 30; pointer-events: none;
    background: rgba(9, 12, 17, 0.92); border: 1px solid var(--line2);
    border-top: 3px solid var(--accent); padding: 10px 12px 12px;
  }
  .tab-board .tb-head {
    display: flex; justify-content: space-between; align-items: baseline;
    margin-bottom: 8px; padding-bottom: 6px; border-bottom: 1px solid var(--line);
  }
  .tab-board .tb-mode { font-size: 14px; font-weight: 700; letter-spacing: 3px; color: var(--text); }
  .tab-board .tb-count { font-size: 10px; letter-spacing: 1px; color: var(--muted); }
  .tab-board .tb-row {
    display: flex; align-items: center; gap: 8px;
    padding: 3px 6px; font-size: 12px; letter-spacing: 1px;
  }
  .tab-board .tb-row:nth-child(odd) { background: rgba(255, 255, 255, 0.025); }
  .tab-board .tb-row.me { background: rgba(34, 74, 207, 0.25); border-left: 2px solid var(--accent); }
  .tab-board .tb-cols { color: var(--muted); font-size: 10px; border-bottom: 1px solid var(--line); }
  .tab-board .tb-rank { width: 20px; color: var(--muted); flex-shrink: 0; }
  .tab-board .tb-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .tab-board .tb-num { width: 36px; text-align: right; color: var(--amber); flex-shrink: 0; }
  .tab-board .tb-kd { color: var(--muted); }
  .tab-board .t { width: 9px; height: 9px; flex-shrink: 0; }
  .tab-board .muted { color: var(--muted); }
  
  /* Active power-up effect indicator (bottom-left). */
  .fx-indicator {
    position: absolute; left: 10px; bottom: 14px;
    display: flex; align-items: center; gap: 6px;
    background: rgba(13, 17, 24, 0.72); border: 1px solid var(--line);
    padding: 4px 10px; font-size: 11px; letter-spacing: 1px;
    display: none;
  }
  .fx-indicator.show { display: flex; }
  .fx-indicator .fx-dot { width: 9px; height: 9px; border-radius: 50%; }
  .fx-indicator.fx-speed .fx-dot { background: #3CA0FF; }
  .fx-indicator.fx-shield .fx-dot { background: #3CDC78; }
  .fx-indicator.fx-multi .fx-dot { background: #FFA033; }
  .fx-indicator b { color: var(--amber); }
  
  .banner {
    position: absolute; top: 22%; left: 50%; transform: translateX(-50%);
    font-size: 40px; font-weight: 700; letter-spacing: 6px; color: #fff;
    text-shadow: 0 0 18px var(--accent); opacity: 0; transition: opacity .25s; white-space: nowrap;
  }
  .banner.show { opacity: 1; }
  
  .state-overlay {
    position: absolute; inset: 0; display: none; flex-direction: column;
    align-items: center; justify-content: center; text-align: center;
    background: rgba(5, 6, 10, 0.55);
  }
  .state-overlay.show { display: flex; }
  .state-overlay .so-title { font-size: 56px; font-weight: 700; letter-spacing: 8px; color: var(--text); }
  .state-overlay .so-sub { font-size: 16px; letter-spacing: 2px; color: var(--muted); margin-top: 10px; }
  .state-overlay .spec-hint { font-size: 11px; opacity: 0.7; }
  .state-overlay .so-btn {
    margin-top: 24px; background: var(--accent-dim); border: 2px solid var(--accent); color: #fff;
    padding: 12px 30px; font-family: inherit; font-size: 14px; letter-spacing: 3px; cursor: pointer;
  }
  .state-overlay .so-btn:hover { background: var(--accent); }
  .state-overlay.win .so-title { color: var(--gold); text-shadow: 0 0 26px var(--gold); }
  .state-overlay.lose .so-title { color: var(--red); text-shadow: 0 0 26px var(--red); }
  
  /* ============================== Chat ============================== */
  .chat {
    position: absolute; left: 10px; bottom: 34px; width: min(420px, 44vw);
    display: flex; flex-direction: column; gap: 4px; z-index: 20;
  }
  .chat-log {
    display: flex; flex-direction: column; gap: 2px;
    max-height: 180px; overflow-y: hidden;
  }
  .chat-log-open { overflow-y: auto; max-height: 280px; pointer-events: auto; }
  .chat-line {
    font-size: 12px; line-height: 1.4; color: var(--text);
    background: rgba(7, 9, 13, 0.66); border-left: 2px solid var(--line2);
    padding: 3px 8px; width: fit-content; max-width: 100%;
    word-break: break-word; transition: opacity 0.6s;
  }
  .chat-line b { color: #8fb0ff; font-weight: 700; }
  .chat-line b.chat-me { color: var(--gold); }
  .chat-line.chat-system { color: var(--muted); font-style: italic; border-left-color: var(--line); }
  .chat-line.chat-faded { opacity: 0; }
  .chat-log-open .chat-line { opacity: 1; }   /* history reappears while typing */
  .chat-input-row { pointer-events: auto; }
  .chat-input-row input {
    width: 100%; background: rgba(7, 9, 13, 0.9); border: 1px solid var(--accent);
    color: var(--text); font-size: 13px; padding: 7px 10px; outline: none;
  }
  .chat-hint { font-size: 10px; letter-spacing: 1px; color: var(--muted); opacity: 0.65; }
  body:not(.game-active) .chat { display: none; }
  
  .minimap-wrap { position: absolute; bottom: 10px; right: 10px; border: 2px solid var(--line2); line-height: 0; }
  #minimap { display: block; }
  
  .diag {
    position: absolute; left: 10px; top: 256px; display: none; z-index: 25;
    background: rgba(7, 9, 13, 0.92); border: 1px solid var(--line2); border-left: 3px solid var(--amber);
    padding: 8px 10px; font-size: 11px; line-height: 1.55; color: var(--text);
    white-space: pre; letter-spacing: 0.5px; pointer-events: none;
  }
  
  /* ============================== Overlay Menu — FULLSCREEN ============================== */
  .overlay {
    position: fixed; inset: 0; z-index: 50; display: none;
    background:
      radial-gradient(ellipse 120% 80% at 30% 12%, rgba(34, 74, 207, 0.16), transparent 55%),
      rgba(7, 9, 13, 0.94);
    /* No backdrop-filter: a full-viewport blur over the constantly-rotating demo
       scene (main.js auto-rotates the menu camera every frame) forces the GPU to
       re-blur the whole screen each frame, which tanks menu FPS until the overlay
       closes on spawn. The dark layer above is ~opaque, so the frost was barely
       visible anyway. */
  }
  .overlay.open { display: flex; }
  
  .menu-bg-grid {
    position: absolute; inset: 0; pointer-events: none; opacity: 0.35;
    background-image:
      linear-gradient(rgba(58, 99, 240, 0.06) 1px, transparent 1px),
      linear-gradient(90deg, rgba(58, 99, 240, 0.06) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 90% 70% at 50% 40%, black 20%, transparent 75%);
  }
  
  .menu-shell { position: relative; width: 100%; height: 100%; display: flex; }
  
  /* ---- Sidebar Navigation ---- */
  .menu-nav {
    width: 222px; min-width: 222px;
    background: rgba(10, 14, 22, 0.85);
    border-right: 2px solid var(--line);
    display: flex; flex-direction: column; z-index: 2;
  }
  .nav-brand { padding: 22px 18px 18px; border-bottom: 2px solid var(--line); }
  .nav-brand .logo { font-size: 24px; font-weight: 700; letter-spacing: 4px; }
  .nav-brand .logo span { color: var(--accent); }
  .nav-brand .logo-sub { font-size: 10px; letter-spacing: 2px; color: var(--muted); margin-top: 4px; }
  
  .nav-btn {
    display: flex; align-items: center; gap: 12px;
    background: transparent; color: var(--muted); border: none;
    border-left: 3px solid transparent;
    padding: 14px 18px; text-align: left; font-size: 13px; letter-spacing: 2px;
    transition: color var(--transition), background var(--transition), border-color var(--transition);
  }
  .nav-btn:hover { color: var(--text); background: var(--panel2); }
  .nav-btn.active { color: #fff; border-left-color: var(--accent); background: var(--panel2); }
  .nav-icon { width: 18px; text-align: center; font-size: 14px; flex-shrink: 0; }
  .nav-spacer { flex: 1; }
  
  .nav-status {
    display: flex; align-items: center; gap: 8px;
    padding: 12px 18px; font-size: 10px; letter-spacing: 1.5px; color: var(--muted);
    border-top: 1px solid var(--line);
  }
  .nav-status-dot {
    width: 8px; height: 8px; flex-shrink: 0;
    background: var(--muted); box-shadow: 0 0 0 0 transparent;
  }
  .nav-status-dot.online { background: var(--green); box-shadow: 0 0 8px var(--green); }
  .nav-resume { border-top: 1px solid var(--line); color: var(--green); }
  .nav-resume:hover { background: rgba(67, 181, 129, 0.12); color: var(--green); }
  .nav-link { text-decoration: none; color: inherit; }
  .nav-link:hover { color: var(--text); }
  
  /* ---- Main Content ---- */
  .menu-body { flex: 1; padding: 0; overflow: hidden; min-width: 0; display: flex; }
  .panel {
    display: none; flex: 1; min-width: 0;
    padding: 26px 40px 30px; overflow-y: auto; overflow-x: hidden;
    animation: panelIn 200ms ease;
  }
  .panel.active { display: block; }
  .panel[data-panel="play"].active { display: flex; gap: 28px; padding: 0; }
  @keyframes panelIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: translateY(0); } }
  
  .panel-head {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px; padding-bottom: 12px; border-bottom: 1px solid var(--line);
  }
  .panel-head h1 { font-size: 22px; letter-spacing: 5px; font-weight: 700; }
  .panel-desc { margin: -8px 0 18px; font-size: 12px; }
  
  /* ====================== PLAY panel — centered hero ====================== */
  .play-stage {
    flex: 1; min-width: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    text-align: center; padding: 40px; gap: 16px;
  }
  .play-logo { font-size: clamp(42px, 7vw, 84px); font-weight: 700; letter-spacing: 10px; line-height: 1; }
  .play-logo span { color: var(--accent); }
  .play-tag { font-size: 11px; letter-spacing: 3px; color: var(--muted); }
  
  .callsign {
    display: flex; align-items: center; gap: 10px; flex-direction: row;
    margin-top: 8px; font-size: 10px; letter-spacing: 2px; color: var(--muted);
  }
  .callsign input {
    background: var(--panel); border: 2px solid var(--line2); color: var(--text);
    padding: 8px 12px; font-size: 14px; letter-spacing: 1px; width: 200px; text-align: center;
  }
  .callsign input:focus { border-color: var(--accent); outline: none; }
  .callsign { flex-direction: column; gap: 6px; }
  .claim-row { display: flex; gap: 8px; align-items: stretch; }
  .claim-btn {
    background: var(--accent-dim); border: 2px solid var(--accent); color: #fff;
    padding: 8px 16px; font-family: inherit; font-size: 12px; letter-spacing: 2px;
    transition: background var(--transition);
  }
  .claim-btn:hover { background: var(--accent); }
  .claim-status { font-size: 10px; letter-spacing: 1px; color: var(--muted); min-height: 14px; }
  .claim-status.ok { color: var(--green); }
  .claim-status.bad { color: var(--red); }
  .callsign input:disabled { opacity: 0.85; border-color: rgba(67, 181, 129, 0.5); color: var(--green); }
  
  /* ============================== Modal ============================== */
  .modal-backdrop {
    position: fixed; inset: 0; z-index: 60;
    display: flex; align-items: center; justify-content: center;
    background: rgba(4, 5, 8, 0.78);
  }
  .modal-backdrop[hidden] { display: none; }
  .modal {
    width: min(480px, 92vw);
    background: var(--panel); border: 2px solid var(--accent);
    box-shadow: 0 18px 60px rgba(0, 0, 0, 0.6);
    padding: 26px 28px;
  }
  .modal h2 { font-size: 18px; letter-spacing: 3px; margin: 0 0 12px; color: var(--gold); }
  .modal p { font-size: 12px; line-height: 1.6; color: var(--text); margin: 0 0 16px; }
  .modal .token-row { display: flex; gap: 8px; }
  .modal .token-row input { flex: 1; }
  .modal button {
    background: var(--panel2); color: var(--text); border: 2px solid var(--line2);
    padding: 10px 18px; font-family: inherit; font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
  }
  .modal button:hover { border-color: var(--accent); color: #fff; }
  .modal button.primary { background: var(--accent-dim); border-color: var(--accent); color: #fff; }
  
  /* Admin */
  .nav-admin .nav-icon { color: var(--gold); }
  .chat-line b.chat-admin { color: var(--gold); }
  .chat-line.chat-announce { color: var(--gold); border-left-color: var(--gold); font-style: normal; font-weight: 700; }
  
  /* ====================== Chat polish (in-game log) ====================== */
  .chat-time { color: var(--muted); font-size: 10px; margin-right: 6px; opacity: 0.7; }
  .chat-gtag { color: var(--amber); font-size: 10px; margin-right: 5px; font-weight: 700; }
  .chat-line.chat-global { border-left-color: rgba(240, 168, 48, 0.5); }
  .chat-line b.chat-clickable { cursor: pointer; }
  .chat-line b.chat-clickable:hover { text-decoration: underline; }
  
  /* ====================== Social panel ====================== */
  .nav-badge {
    margin-left: auto; min-width: 16px; height: 16px; padding: 0 4px;
    background: var(--red); color: #fff; font-size: 10px; font-weight: 700;
    display: inline-flex; align-items: center; justify-content: center;
  }
  .panel[data-panel="social"].active { display: flex; flex-direction: column; }
  .social-view { display: none; flex: 1; min-height: 0; flex-direction: column; }
  .social-view.active { display: flex; }
  .gchat-log {
    flex: 1; min-height: 200px; max-height: calc(100vh - 320px); overflow-y: auto;
    background: rgba(7, 9, 13, 0.5); border: 2px solid var(--line);
    padding: 12px; display: flex; flex-direction: column; gap: 6px;
  }
  .gchat-line { font-size: 13px; line-height: 1.5; word-break: break-word; }
  .gchat-line b { color: #8fb0ff; }
  .gchat-name { cursor: pointer; }
  .gchat-name:hover { text-decoration: underline; }
  .gchat-input-row { display: flex; gap: 8px; margin-top: 10px; }
  .gchat-input-row input { flex: 1; }
  .gchat-hint { margin-top: 6px; }
  .lb-tabs { margin-bottom: 12px; }
  .lb-row .lb-rank { color: var(--amber); font-weight: 700; min-width: 36px; display: inline-block; }
  .lb-row.lb-me { border-color: var(--accent); background: rgba(34, 74, 207, 0.16); }
  .nav-invite .nav-icon { color: var(--green); }
  
  /* ====================== Level browser (card grid + detail) ====================== */
  .panel[data-panel="levels"].active { display: flex; flex-direction: column; }
  .level-browser { display: flex; gap: 18px; flex: 1; min-height: 0; }
  .level-grid {
    flex: 1; min-width: 0;
    display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 12px; align-content: start;
    max-height: calc(100vh - 230px);
  }
  .level-card {
    background: var(--panel2); border: 2px solid var(--line);
    cursor: pointer; overflow: hidden;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  }
  .level-card:hover { border-color: var(--line2); transform: translateY(-2px); }
  .level-card.selected { border-color: var(--accent); box-shadow: 0 6px 22px rgba(58, 99, 240, 0.25); }
  .level-thumb { position: relative; aspect-ratio: 26 / 20; background: #0a0e15; }
  .level-thumb canvas { width: 100%; height: 100%; display: block; }
  .level-idx {
    position: absolute; top: 6px; left: 6px;
    background: rgba(7, 9, 13, 0.85); border: 1px solid var(--line2);
    color: var(--amber); font-size: 10px; letter-spacing: 1px; padding: 1px 6px;
  }
  .level-card-name {
    padding: 8px 10px 2px; font-size: 12px; font-weight: 700; letter-spacing: 0.5px;
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .level-card-meta {
    display: flex; justify-content: space-between; gap: 8px;
    padding: 0 10px 9px; font-size: 10px; color: var(--muted); letter-spacing: 0.5px;
  }
  .level-card-meta .lc-stats { white-space: nowrap; }
  .level-detail {
    width: 300px; min-width: 260px; flex-shrink: 0;
    background: rgba(10, 14, 22, 0.6); border: 2px solid var(--line);
    padding: 16px; overflow-y: auto; max-height: calc(100vh - 230px);
  }
  .level-detail-thumb { width: 100%; aspect-ratio: 26 / 20; display: block; border: 1px solid var(--line2); }
  .level-detail h2 { font-size: 16px; letter-spacing: 2px; margin: 12px 0 6px; word-break: break-word; }
  .level-detail-meta { font-size: 11px; color: var(--muted); line-height: 1.6; margin-bottom: 4px; }
  .level-detail .btnrow { margin-top: 14px; }
  .level-detail button.liked { border-color: var(--red); color: var(--red); }
  
  /* ====================== Profile modal ====================== */
  .profile-modal { width: min(440px, 92vw); }
  .profile-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
  .profile-head h2 { margin: 0; color: var(--text); }
  .profile-online { font-size: 11px; color: var(--muted); margin-bottom: 14px; }
  .dot-online, .dot-offline {
    display: inline-block; width: 8px; height: 8px; border-radius: 50%;
    background: var(--green); margin-right: 4px;
  }
  .dot-offline { background: var(--muted); }
  .profile-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-bottom: 14px; }
  .profile-stats .pstat {
    display: flex; justify-content: space-between; gap: 10px;
    background: var(--panel2); border-left: 3px solid var(--accent);
    padding: 6px 10px; font-size: 11px; letter-spacing: 1px;
  }
  .profile-stats .pstat span { color: var(--muted); }
  .profile-levels h3 { font-size: 11px; letter-spacing: 2px; color: var(--text); margin: 0 0 6px; }
  .profile-levels p { margin: 0 0 4px; line-height: 1.5; }
  
  /* ====================== Campaign progress grid ====================== */
  .campaign-progress-head {
    font-size: 11px; letter-spacing: 2px; color: var(--text); margin: 14px 0 8px;
  }
  .campaign-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 6px; max-height: 280px;
  }
  .camp-cell {
    background: var(--panel2); border-left: 3px solid var(--green);
    padding: 8px 10px; font-size: 11px; letter-spacing: 0.5px;
    display: flex; flex-direction: column; gap: 3px;
  }
  .camp-cell.locked {
    border-left-color: var(--line2); opacity: 0.45;
  }
  .camp-cell .camp-name {
    display: flex; align-items: center; justify-content: space-between; gap: 6px;
    color: var(--text); font-weight: 700; overflow: hidden;
  }
  .camp-cell .camp-name span.tname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .camp-cell .camp-check { color: var(--green); }
  .camp-cell .camp-stats { color: var(--muted); display: flex; justify-content: space-between; gap: 6px; }
  .camp-cell .camp-flawless {
    align-self: flex-start; margin-top: 2px; font-size: 9px; letter-spacing: 1px;
    color: var(--gold); border: 1px solid var(--gold); border-radius: 3px;
    padding: 1px 5px; font-weight: 700;
  }
  
  .play-cta {
    margin-top: 10px;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    min-width: 300px; padding: 20px 48px;
    background: var(--accent-dim); border: 2px solid var(--accent); color: #fff;
    box-shadow: 0 0 0 0 var(--accent-soft);
    transition: background var(--transition), box-shadow var(--transition), transform var(--transition);
  }
  .play-cta:hover { background: var(--accent); box-shadow: 0 10px 36px rgba(58, 99, 240, 0.35); transform: translateY(-2px); }
  .play-cta:active { transform: translateY(0); }
  .play-cta-main { font-size: 30px; font-weight: 700; letter-spacing: 8px; }
  .play-cta-sub { font-size: 10px; letter-spacing: 2px; color: rgba(255, 255, 255, 0.7); }
  
  .mode-row {
    margin-top: 18px;
    display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px;
    width: 100%; max-width: 760px;
  }
  .mode-card {
    display: flex; flex-direction: column; align-items: center; gap: 5px;
    background: var(--panel2); border: 2px solid var(--line); color: var(--text);
    padding: 16px 10px; transition: border-color var(--transition), background var(--transition), transform var(--transition);
  }
  .mode-card:hover { border-color: var(--accent); background: var(--panel3); transform: translateY(-2px); }
  .mode-card.locked { opacity: 0.55; filter: saturate(0.4); }
  .mode-card.locked:hover { border-color: var(--line2); transform: none; }
  .level-card.locked { opacity: 0.6; filter: saturate(0.4); }
  
  /* Campaign level-select submenu (LEVELS → campaign detail pane). */
  .level-select-head { margin-top: 16px; letter-spacing: 2px; }
  .level-select-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(118px, 1fr));
    gap: 6px; margin-top: 6px;
  }
  .level-select-btn {
    display: flex; align-items: center; gap: 8px; text-align: left;
    background: var(--panel2); border: 1px solid var(--line); color: var(--text);
    padding: 6px 8px; font-size: 10px; letter-spacing: 0.5px;
    transition: border-color var(--transition), background var(--transition);
  }
  .level-select-btn b { color: var(--amber); font-size: 12px; flex-shrink: 0; }
  .level-select-btn span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .level-select-btn:hover { border-color: var(--accent); background: var(--panel3); }
  .level-select-btn.locked { opacity: 0.45; cursor: not-allowed; }
  .level-select-btn.locked:hover { border-color: var(--line); background: var(--panel2); }
  .mode-ico { font-size: 20px; color: var(--accent); }
  .mode-name { font-size: 11px; letter-spacing: 1.5px; }
  .mode-desc { font-size: 9px; letter-spacing: 0.5px; color: var(--muted); }
  
  .play-rooms-rail {
    width: 300px; min-width: 260px; flex-shrink: 0;
    background: rgba(10, 14, 22, 0.6); border-left: 2px solid var(--line);
    padding: 20px 18px; overflow-y: auto;
  }
  .rail-head {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 11px; letter-spacing: 2px; color: var(--muted);
    padding-bottom: 10px; margin-bottom: 12px; border-bottom: 1px solid var(--line);
  }
  
  /* ====================== Forms / buttons ====================== */
  .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  label { display: flex; flex-direction: column; gap: 5px; font-size: 11px; letter-spacing: 1.5px; color: var(--muted); }
  label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
  label.check.inline { white-space: nowrap; }
  input, select {
    background: var(--panel); border: 2px solid var(--line); color: var(--text);
    padding: 8px 10px; font-size: 13px; outline: none; transition: border-color var(--transition);
  }
  input:focus, select:focus { border-color: var(--accent); }
  input[type=range] { padding: 0; accent-color: var(--accent); }
  input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }
  
  .btnrow { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
  .btnrow.tight { margin-top: 0; }
  .menu-body button, .row button, .editor-topbar button {
    background: var(--panel2); color: var(--text); border: 2px solid var(--line2);
    padding: 10px 18px; font-size: 12px; letter-spacing: 2px; text-transform: uppercase;
    transition: border-color var(--transition), background var(--transition), color var(--transition);
  }
  .menu-body button:hover, .row button:hover, .editor-topbar button:hover { border-color: var(--accent); color: #fff; }
  .menu-body button.primary, .editor-topbar button.primary { background: var(--accent-dim); border-color: var(--accent); color: #fff; }
  .menu-body button.primary:hover, .editor-topbar button.primary:hover { background: var(--accent); }
  .menu-body button.primary.active { background: var(--accent); }
  .menu-body button.ghost, .editor-topbar button.ghost { background: transparent; }
  .menu-body button.lg { padding: 13px 26px; font-size: 14px; letter-spacing: 3px; }
  button.mini { padding: 6px 12px !important; font-size: 11px !important; letter-spacing: 1px !important; }
  
  /* ====================== Filter bar (tabs + search) ====================== */
  .filter-bar { display: flex; gap: 12px; align-items: center; margin-bottom: 16px; flex-wrap: wrap; }
  .tabs { display: flex; gap: 0; border: 2px solid var(--line); }
  .tab {
    padding: 9px 16px; font-family: inherit; font-size: 11px; letter-spacing: 2px;
    background: transparent; border: none; border-right: 2px solid var(--line); color: var(--muted);
    transition: color var(--transition), background var(--transition);
  }
  .tab:last-child { border-right: none; }
  .tab:hover { color: var(--text); background: var(--panel2); }
  .tab.active { color: #fff; background: var(--accent-dim); }
  .search-input {
    flex: 1; min-width: 160px; max-width: 360px;
    background: var(--panel); border: 2px solid var(--line); color: var(--text); padding: 8px 12px; font-size: 13px;
  }
  .search-input:focus { border-color: var(--accent); }
  .search-input::placeholder { color: var(--muted); }
  
  .create-lobby {
    background: rgba(17, 22, 31, 0.5); border: 2px solid var(--line); padding: 18px; margin-bottom: 18px;
  }
  
  /* ====================== Lists / rows ====================== */
  .list { display: flex; flex-direction: column; gap: 6px; }
  .scroll-list { max-height: calc(100vh - 230px); overflow-y: auto; padding-right: 4px; }
  .row {
    display: flex; align-items: center; gap: 10px;
    background: var(--panel2); border: 1px solid var(--line); padding: 10px 14px;
    transition: border-color var(--transition), background var(--transition);
  }
  .row:hover { border-color: var(--line2); background: var(--panel3); }
  .row-compact { padding: 8px 10px; }
  .row-main { flex: 1; min-width: 0; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
  .row-main b { font-size: 14px; overflow: hidden; text-overflow: ellipsis; }
  .row-compact .row-main b { font-size: 12px; }
  .tag {
    font-size: 10px; letter-spacing: 1px; text-transform: uppercase;
    border: 1px solid var(--line2); padding: 1px 6px; color: var(--amber);
  }
  .tag-campaign { color: var(--green); border-color: rgba(67, 181, 129, 0.5); }
  .tag-ffa { color: var(--amber); border-color: rgba(240, 168, 48, 0.5); }
  .tag-team { color: var(--accent); border-color: rgba(58, 99, 240, 0.5); }
  .tag-survival { color: #ff5c5c; border-color: rgba(255, 92, 92, 0.5); }
  .muted { color: var(--muted); font-size: 11px; }
  .empty { padding: 18px 4px; line-height: 1.6; }
  .cap-pill {
    font-size: 11px; letter-spacing: 1px; color: var(--muted);
    border: 1px solid var(--line); padding: 2px 8px; white-space: nowrap;
  }
  .cap-pill.cap-full { color: var(--red); border-color: rgba(237, 66, 69, 0.5); }
  .row-full { opacity: 0.55; }
  button.mini.disabled { opacity: 0.5; cursor: default; pointer-events: none; }
  
  /* ====================== Level categories ====================== */
  .level-browser-list { display: flex; flex-direction: column; gap: 4px; }
  .level-category { margin-bottom: 8px; }
  .category-header {
    display: flex; align-items: center; gap: 8px;
    padding: 9px 4px 7px; border-bottom: 1px solid var(--line);
    cursor: pointer; user-select: none;
    font-size: 12px; letter-spacing: 2px; color: var(--text);
    transition: color var(--transition);
  }
  .category-header:hover { color: #fff; }
  .category-arrow { display: inline-block; transition: transform var(--transition); font-size: 10px; color: var(--accent); }
  .category-header.collapsed .category-arrow { transform: rotate(-90deg); }
  .category-header .category-count { margin-left: auto; color: var(--muted); font-size: 10px; }
  .category-body { display: flex; flex-direction: column; gap: 6px; padding: 8px 0; overflow: hidden; }
  .category-body.collapsed { max-height: 0 !important; padding: 0; }
  
  /* ====================== Settings ====================== */
  .settings-layout { display: flex; gap: 32px; flex-wrap: wrap; }
  .settings-col { flex: 1; min-width: 220px; display: flex; flex-direction: column; gap: 12px; }
  .settings-col-wide { flex: 2; min-width: 340px; }
  .settings-col h2 {
    font-size: 13px; letter-spacing: 3px; font-weight: 700; color: var(--muted);
    border-bottom: 1px solid var(--line); padding-bottom: 6px; margin-bottom: 4px;
  }
  .controls-ref { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; }
  .cr {
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    background: var(--panel2); border: 1px solid var(--line); padding: 7px 12px;
  }
  .cr span {
    font-size: 10px; letter-spacing: 1px; color: var(--accent);
    border: 1px solid var(--line2); padding: 2px 8px; min-width: 52px; text-align: center;
  }
  .cr b { font-size: 11px; font-weight: 400; letter-spacing: 1px; color: var(--text); }
  
  .account-note { font-size: 11px; line-height: 1.5; color: var(--muted); margin: 0; }
  .token-row { display: flex; gap: 8px; align-items: stretch; }
  .token-row input { flex: 1; min-width: 0; font-family: inherit; }
  .token-row button { flex: 0 0 auto; padding: 0 14px; white-space: nowrap; }
  
  /* ====================== Skins ====================== */
  .skin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
  .skin-grid-large { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
  .skin-card {
    background: var(--panel2); border: 2px solid var(--line);
    padding: 0 0 14px; text-align: center; cursor: pointer;
    transition: border-color var(--transition), background var(--transition), transform var(--transition);
    position: relative; overflow: hidden;
  }
  .skin-preview-wrap { position: relative; background: #080b10; border-bottom: 1px solid var(--line); margin-bottom: 10px; }
  .skin-preview-canvas { display: block; width: 100%; height: 120px; }
  .skin-card:hover { border-color: var(--line2); background: var(--panel3); transform: translateY(-2px); }
  .skin-card.active { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 20px rgba(58, 99, 240, 0.2); }
  .skin-card.locked { cursor: not-allowed; }
  .skin-card.locked .skin-preview-canvas { filter: grayscale(0.85) brightness(0.5); }
  .skin-card.locked .skin-name { color: var(--muted); }
  .skin-card.locked:hover { border-color: var(--amber); background: var(--panel2); transform: none; }
  .skin-lock-overlay {
    position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
    background: rgba(8, 11, 16, 0.45); pointer-events: none;
  }
  .skin-lock-chip {
    font-size: 22px; line-height: 1; padding: 8px 10px;
    border: 1px solid var(--amber); border-radius: 6px;
    background: rgba(8, 11, 16, 0.75); filter: none;
  }
  .skin-desc { font-size: 9px; color: var(--muted); letter-spacing: 0.5px; margin-top: 4px; padding: 0 10px; }
  .skin-name { font-size: 10px; letter-spacing: 1.5px; color: var(--text); text-transform: uppercase; padding: 0 10px; }
  .skin-lock {
    font-size: 9px; color: var(--amber); letter-spacing: 1px; margin-top: 6px;
    font-weight: bold; text-shadow: 0 0 6px rgba(243, 178, 92, 0.4);
  }
  .skin-active-badge {
    position: absolute; top: 6px; left: 6px;
    font-size: 8px; letter-spacing: 1px; padding: 2px 4px; color: var(--green); border: 1px solid var(--green);
  }
  
  body.editor-body { overflow: hidden; }
  
  /* ============================== Editor (Fullscreen Page) ============================== */
  .editor-page { position: fixed; inset: 0; z-index: 60; display: none; flex-direction: column; background: var(--bg); }
  .editor-page.open { display: flex; }
  .editor-topbar {
    display: flex; align-items: center; gap: 16px;
    padding: 10px 18px; background: var(--panel); border-bottom: 2px solid var(--line); flex-shrink: 0;
  }
  .editor-brand { font-size: 16px; font-weight: 700; letter-spacing: 3px; white-space: nowrap; }
  .editor-brand span { color: var(--accent); }
  .editor-brand em { font-style: normal; color: var(--amber); font-size: 11px; letter-spacing: 2px; margin-left: 4px; }
  .editor-topbar-controls { display: flex; gap: 12px; flex: 1; min-width: 0; }
  .editor-inline-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 10px; letter-spacing: 1.5px; color: var(--muted); white-space: nowrap;
  }
  .editor-inline-label input, .editor-inline-label select { padding: 5px 8px; font-size: 12px; max-width: 180px; }
  .editor-topbar-actions { display: flex; gap: 8px; margin-left: auto; flex-shrink: 0; }
  .editor-main { display: flex; flex: 1; min-height: 0; }
  .editor-main .toolbox {
    width: 180px; padding: 14px; display: flex; flex-direction: column; gap: 10px;
    background: var(--panel); border-right: 2px solid var(--line); flex-shrink: 0; overflow-y: auto;
  }
  .tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
  .tool-grid button {
    background: var(--panel2); border: 2px solid var(--line2); color: var(--text);
    padding: 8px 4px; font-size: 11px; letter-spacing: 1px; transition: border-color var(--transition);
  }
  .tool-grid button:hover { border-color: var(--accent); }
  .tool-grid button.active { background: var(--accent-dim); border-color: var(--accent); color: #fff; }
  .editor-check {
    display: flex; align-items: center; gap: 7px;
    font-size: 10px; letter-spacing: 1.5px; color: var(--muted); cursor: pointer; user-select: none;
  }
  .editor-check input { width: 14px; height: 14px; accent-color: var(--accent); cursor: pointer; }
  .editor-hint { font-size: 10px; line-height: 1.5; opacity: 0.75; margin-top: auto; }
  /* The grid keeps the arena's cols:rows aspect ratio and shrinks to fit both the
     width and height of its wrapper, so no rows get clipped off the bottom. */
  .editor-grid-wrap {
    flex: 1; min-width: 0; min-height: 0; padding: 12px;
    display: flex; align-items: center; justify-content: center; overflow: hidden;
  }
  .editor-grid {
    display: grid;
    grid-template-columns: repeat(var(--cols, 26), 1fr);
    grid-template-rows: repeat(var(--rows, 20), 1fr);
    gap: 1px; background: var(--line);
    aspect-ratio: var(--cols, 26) / var(--rows, 20);
    height: 100%; width: auto; max-width: 100%; max-height: 100%;
  }
  .cell {
    background: #14110b; border: none; padding: 0; min-width: 0; min-height: 0;
    font-size: 8px; color: #000; font-weight: 700; line-height: 1;
  }
  .cell:hover { outline: 1px solid var(--accent); outline-offset: -1px; z-index: 1; }
  .cell.preview { outline: 1px solid var(--amber); outline-offset: -1px; z-index: 2; background: rgba(240, 168, 48, 0.25); }
  .cell.wall { background: #8d7a4a; }
  /* Immutable border frame — visibly different and not editable. */
  .cell.frame-lock { background: #5c513399; cursor: not-allowed; }
  .cell.frame-lock:hover { outline: 1px solid var(--red); }
  .cell.break { background: #8aaabb; }
  .cell.pit { background: #100a04; box-shadow: inset 0 0 0 1px #bb3300; }
  .cell.spawn { background: #1f7a46; }
  .cell.player { background: #2b50d8; }
  .cell.enemy { background: #b3382f; color: #fff; }
  .cell.powerup { background: #b3781f; color: #fff; text-align: center; }
  
  /* ====================== Editor: drafts panel ====================== */
  .drafts-panel {
    position: absolute; top: 54px; right: 18px; z-index: 70; width: 280px;
    background: var(--panel); border: 2px solid var(--line2); padding: 12px;
    display: flex; flex-direction: column; gap: 8px; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
  }
  .drafts-head {
    display: flex; align-items: center; justify-content: space-between;
    font-size: 11px; letter-spacing: 2px; color: var(--amber);
  }
  .drafts-list { display: flex; flex-direction: column; gap: 4px; max-height: 280px; overflow-y: auto; }
  .draft-row { display: flex; gap: 4px; }
  .draft-load {
    flex: 1; min-width: 0; text-align: left; background: var(--panel2); border: 1px solid var(--line);
    color: var(--text); font-size: 12px; padding: 6px 8px; cursor: pointer;
    display: flex; flex-direction: column; gap: 2px;
  }
  .draft-load b { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .draft-load span { font-size: 10px; }
  .draft-load:hover { border-color: var(--accent); }
  
  /* ====================== Editor: campaign packs ====================== */
  .pack-box {
    margin-top: 10px; padding: 10px; border: 1px solid var(--line2);
    background: var(--panel2); display: flex; flex-direction: column; gap: 8px;
  }
  .pack-title { font-size: 11px; letter-spacing: 2px; color: var(--amber); }
  .pack-box input {
    background: var(--panel); border: 1px solid var(--line2); color: var(--text);
    padding: 6px 8px; font-size: 12px; outline: none;
  }
  .pack-box input:focus { border-color: var(--accent); }
  .pack-levels { display: flex; flex-direction: column; gap: 3px; max-height: 180px; overflow-y: auto; }
  .pack-level {
    text-align: left; background: var(--panel); border: 1px solid var(--line);
    color: var(--text); font-size: 12px; padding: 5px 8px; cursor: pointer;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
  }
  .pack-level:hover { border-color: var(--line2); }
  .pack-level.active { border-color: var(--accent); background: var(--accent-soft); }
  .pack-level.warn { border-left: 3px solid var(--red); }
  .pack-btns button { min-width: 32px; }
  
  /* ====================== Scrollbars (lists + chat) ====================== */
  .scroll-list::-webkit-scrollbar, .chat-log::-webkit-scrollbar,
  .pack-levels::-webkit-scrollbar, .menu-body::-webkit-scrollbar { width: 8px; }
  .scroll-list::-webkit-scrollbar-track, .chat-log::-webkit-scrollbar-track,
  .pack-levels::-webkit-scrollbar-track, .menu-body::-webkit-scrollbar-track { background: var(--panel); }
  .scroll-list::-webkit-scrollbar-thumb, .chat-log::-webkit-scrollbar-thumb,
  .pack-levels::-webkit-scrollbar-thumb, .menu-body::-webkit-scrollbar-thumb {
    background: var(--line2); border-radius: 0;
  }
  .scroll-list::-webkit-scrollbar-thumb:hover { background: var(--accent-dim); }
  
  button.primary, button.ghost, .mini { transition: background var(--transition), border-color var(--transition), transform 80ms ease; }
  button.primary:active, .mini:active { transform: translateY(1px); }
  
  /* ============================== Toast ============================== */
  .toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
    background: var(--panel); border: 2px solid var(--accent); color: var(--text);
    padding: 10px 20px; font-size: 12px; letter-spacing: 1.5px; text-transform: uppercase;
    opacity: 0; transition: opacity .2s, transform .2s; z-index: 100; pointer-events: none;
  }
  .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
  
  /* ====================== ??? (Schrödinger's Feature) ====================== */
  .nav-mystery .nav-label, .nav-mystery .nav-icon {
    animation: mystery-flicker 7s steps(1) infinite;
  }
  @keyframes mystery-flicker {
    0%, 90% { opacity: 1; }
    91% { opacity: .2; }
    92% { opacity: .85; }
    94% { opacity: .35; }
    95%, 100% { opacity: 1; }
  }
  .mystery-box {
    margin-top: 14px; padding: 18px; max-width: 560px;
    border: 1px dashed var(--line2); background: var(--panel2);
  }
  .mystery-box.collapse { animation: mystery-collapse .45s ease-out; }
  @keyframes mystery-collapse {
    0% { opacity: 0; filter: blur(6px); transform: scaleY(.6); }
    60% { opacity: 1; filter: blur(0); transform: scaleY(1.04); }
    100% { transform: scaleY(1); }
  }
  .mystery-status { font-size: 12px; letter-spacing: 2px; margin-bottom: 8px; }
  .mystery-status b { color: var(--accent); }
  .mystery-disclaimer {
    margin-top: 22px; font-size: 10px; letter-spacing: 1.5px; max-width: 560px;
    opacity: .55;
  }
  .mystery-marquee {
    max-width: 560px; font-size: 11px; letter-spacing: 2px; color: var(--amber);
    border-top: 1px dashed var(--line2); border-bottom: 1px dashed var(--line2);
    padding: 4px 0; margin-top: 6px;
  }
  .mystery-crumbs { margin-top: 10px; font-size: 11px; letter-spacing: 1.5px; color: var(--accent); cursor: help; }
  .mystery-widget { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
  .mystery-widget + .mystery-widget { margin-top: 12px; }
  .mystery-label { font-size: 11px; letter-spacing: 1.5px; color: var(--text); cursor: help; }
  .mystery-widget meter { width: 140px; }
  .mystery-widget progress { width: 140px; }
  .mystery-widget output { font-size: 11px; color: var(--amber); }
  .mystery-widget select { background: var(--panel); color: var(--text); border: 1px solid var(--line2); font-size: 11px; cursor: not-allowed; }
  .mystery-widget details { font-size: 11px; letter-spacing: 1px; cursor: wait; }
  .mystery-widget details details { margin-left: 16px; }
  .mystery-widget summary { cursor: wait; }
  .mystery-prose { display: block; font-size: 12px; line-height: 1.8; }
  .mystery-prose kbd, .mystery-prose samp {
    background: var(--panel); border: 1px solid var(--line2); padding: 1px 5px; font-size: 11px;
  }
  .mystery-mini-marquee { width: 100%; max-width: 360px; font-size: 11px; color: var(--text); }
  .mystery-comic { font-family: 'Comic Sans MS', cursive; color: #ff7ad9; }
  .mystery-sub { letter-spacing: 1.5px; }
  .mystery-donot { background: var(--red, #c0392b); border-color: var(--red, #c0392b); cursor: not-allowed; }
  .mystery-door { animation: mystery-flicker 3s steps(1) infinite; }
  .mystery-door .mystery-blink { color: #5fff7a; }
  .mystery-blink { animation: mystery-blink 1s steps(2, start) infinite; }
  @keyframes mystery-blink { to { visibility: hidden; } } /* <blink>, as nature intended */
  .mystery-alarm { font-size: 14px; letter-spacing: 3px; color: var(--red, #ff4d4d); }
  
  /* ============================== Responsive ============================== */
  @media (max-width: 1000px) {
    .panel[data-panel="play"].active { flex-direction: column; }
    .play-rooms-rail { width: auto; border-left: none; border-top: 2px solid var(--line); max-height: 34vh; }
    .mode-row { max-width: none; }
  }
  @media (max-width: 900px) {
    .menu-nav { width: 56px; min-width: 56px; }
    .nav-brand, .nav-label, .nav-status { display: none; }
    .nav-btn, .nav-link { padding: 14px 0; justify-content: center; gap: 0; }
    .nav-btn .nav-icon, .nav-link .nav-icon { font-size: 18px; }
    .panel { padding: 18px; }
    .settings-layout { flex-direction: column; }
  }
  @media (max-width: 640px) {
    .grid2, .controls-ref { grid-template-columns: 1fr; }
    .mode-row { grid-template-columns: 1fr 1fr; }
    .editor-topbar, .editor-topbar-controls { flex-wrap: wrap; }
    .skin-grid { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
    .filter-bar { flex-direction: column; align-items: stretch; }
    .play-cta { min-width: 0; width: 100%; }
  }
  
  /* ============================== Adaptive Resolution Controls ============================== */
  .adaptive-res-wrap {
    margin-top: 8px;
  }
  #adaptOn {
    vertical-align: sub;
    padding: 0;
  }
  /* Persistent offline / singleplayer indicator */
  #offline-banner {
    position: fixed;
    bottom: 18px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
    padding: 7px 18px;
    background: rgba(10, 13, 19, 0.92);
    border: 1px solid rgba(255, 160, 50, 0.5);
    border-top: 2px solid #ffa032;
    color: #ffa032;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    white-space: nowrap;
    pointer-events: none;
    text-shadow: 0 0 8px rgba(255, 160, 50, 0.4);
  }