* { box-sizing: border-box; margin: 0; padding: 0; }
  :root {
    --bg: #0d1117; --bg2: #161b22; --bg3: #21262d;
    --border: #30363d; --text: #e6edf3; --text2: #8b949e; --text3: #6e7681;
    --accent-lib: #3b82f6; --accent-con: #ef4444;
    --accent-lib2: #1d4ed8; --accent-con2: #b91c1c;
    --gold: #f59e0b; --gold2: #d97706;
    --green: #22c55e; --purple: #a855f7; --red: #ef4444;
  }
  body.light-mode {
    --bg: #f4f6f9; --bg2: #ffffff; --bg3: #e8ecf1;
    --border: #d0d7de; --text: #1c2128; --text2: #57606a; --text3: #8c959f;
    --gold: #b45309; --gold2: #92400e;
    --green: #16a34a; --purple: #7c3aed; --red: #dc2626;
  }
  .theme-btn { min-width: 90px; }
  .theme-btn.active { border-color: var(--gold); color: var(--gold); background: rgba(245,158,11,0.08); }
  body { background: var(--bg); color: var(--text); font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif; min-height: 100vh; overflow-x: hidden; }

  /* ONBOARDING */
  #onboarding { position: fixed; inset: 0; background: rgba(0,0,0,0.92); display: flex; align-items: center; justify-content: center; z-index: 1000; }
  .ob-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px; padding: 40px; max-width: 480px; width: 90%; text-align: center; }
  .ob-card h1 { font-size: 28px; margin-bottom: 8px; }
  .ob-card p { color: var(--text2); margin-bottom: 24px; line-height: 1.6; }
  .ob-input { background: var(--bg3); border: 1px solid var(--border); color: var(--text); padding: 10px 16px; border-radius: 8px; font-size: 16px; width: 100%; margin-bottom: 24px; outline: none; }
  .ob-input:focus { border-color: var(--gold); }
  .side-choice { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
  .side-btn { padding: 20px; border-radius: 12px; border: 2px solid var(--border); background: var(--bg3); cursor: pointer; transition: all 0.2s; }
  .side-btn:hover { transform: translateY(-2px); }
  .side-btn.lib:hover, .side-btn.lib.selected { border-color: var(--accent-lib); background: rgba(59,130,246,0.15); }
  .side-btn.con:hover, .side-btn.con.selected { border-color: var(--accent-con); background: rgba(239,68,68,0.15); }
  .side-btn .side-emoji { font-size: 40px; display: block; margin-bottom: 8px; }
  .side-btn .side-label { font-size: 18px; font-weight: 600; }
  .side-btn .side-sub { font-size: 13px; color: var(--text2); margin-top: 4px; }
  .ob-start { display: none; margin-top: 24px; width: 100%; padding: 14px; border-radius: 10px; border: none; font-size: 17px; font-weight: 600; cursor: pointer; background: var(--gold); color: #000; transition: opacity 0.2s; }
  .ob-start:hover { opacity: 0.9; }
  .ob-start.show { display: block; }

  /* SETTINGS MODAL */
  #settings-modal { position: fixed; inset: 0; background: rgba(0,0,0,0.85); display: none; align-items: center; justify-content: center; z-index: 999; }
  #settings-modal.open { display: flex; }
  .modal-card { background: var(--bg2); border: 1px solid var(--border); border-radius: 16px; padding: 32px; max-width: 460px; width: 90%; }
  .modal-card h2 { font-size: 20px; margin-bottom: 20px; }
  .modal-section { margin-bottom: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
  .modal-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
  .modal-section h3 { font-size: 14px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; }
  .modal-row { display: flex; gap: 8px; }
  .modal-row input { flex: 1; background: var(--bg3); border: 1px solid var(--border); color: var(--text); padding: 8px 12px; border-radius: 8px; font-size: 14px; outline: none; }
  .modal-row input:focus { border-color: var(--gold); }
  .btn { padding: 8px 16px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg3); color: var(--text); cursor: pointer; font-size: 14px; transition: background 0.15s; }
  .btn:hover { background: var(--bg); }
  .btn-danger { border-color: var(--accent-con); color: var(--accent-con); }
  .btn-danger:hover { background: rgba(239,68,68,0.1); }
  .btn-primary { border-color: var(--gold); color: var(--gold); }
  .btn-primary:hover { background: rgba(245,158,11,0.1); }
  .btn-full { width: 100%; margin-top: 4px; }
  .modal-close { float: right; background: none; border: none; color: var(--text2); font-size: 22px; cursor: pointer; line-height: 1; }
  .modal-close:hover { color: var(--text); }

  /* MAIN LAYOUT */
  #game { display: none; min-height: 100vh; }
  #game.active { display: flex; flex-direction: column; }

  /* TOPBAR */
  .topbar { background: var(--bg2); border-bottom: 1px solid var(--border); padding: 10px 16px; display: flex; align-items: center; gap: 12px; position: sticky; top: 0; z-index: 100; }
  .topbar-currency { flex: 1; }
  .currency-main { font-size: 22px; font-weight: 700; color: var(--gold); }
  .currency-rate { font-size: 13px; color: var(--text2); margin-top: 2px; }
  .topbar-zone { font-size: 13px; color: var(--text2); text-align: center; }
  .zone-name { font-size: 15px; font-weight: 600; color: var(--text); }
  .topbar-actions { display: flex; gap: 8px; align-items: center; }
  .icon-btn { background: var(--bg3); border: 1px solid var(--border); color: var(--text); border-radius: 8px; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; cursor: pointer; font-size: 18px; transition: background 0.15s; }
  .icon-btn:hover { background: var(--border); }
  .prestige-btn { background: rgba(168,85,247,0.15); border-color: var(--purple); color: var(--purple); padding: 6px 14px; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; display: none; white-space: nowrap; }
  .prestige-btn.available { display: flex; align-items: center; gap: 6px; }

  /* GAME BODY */
  .game-body { display: grid; grid-template-columns: 260px 1fr 280px; flex: 1; gap: 0; }
  @media (max-width: 900px) { .game-body { grid-template-columns: 1fr; } }

  /* LEFT - CLICK AREA */
  .click-panel { padding: 20px; border-right: 1px solid var(--border); display: flex; flex-direction: column; align-items: center; gap: 16px; }
  .clicker-wrap { position: relative; cursor: pointer; user-select: none; }
  .clicker-btn { width: 180px; height: 180px; border-radius: 50%; border: 3px solid var(--border); background: var(--bg3); display: flex; flex-direction: column; align-items: center; justify-content: center; transition: transform 0.08s; overflow: hidden; }
  .clicker-btn:hover { border-color: var(--gold); }
  .clicker-btn:active, .clicker-btn.clicked { transform: scale(0.94); }
  .clicker-avatar { font-size: 72px; line-height: 1; }
  .clicker-label { font-size: 12px; color: var(--text2); margin-top: 6px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; }
  .click-floats { position: absolute; inset: 0; pointer-events: none; overflow: visible; }
  .float-text { position: absolute; font-size: 18px; font-weight: 700; color: var(--gold); animation: floatUp 1s ease-out forwards; pointer-events: none; }
  @keyframes floatUp { 0% { opacity: 1; transform: translateY(0); } 100% { opacity: 0; transform: translateY(-60px); } }

  .click-stats { width: 100%; }
  .stat-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid var(--border); font-size: 14px; }
  .stat-row:last-child { border-bottom: none; }
  .stat-label { color: var(--text2); }
  .stat-val { font-weight: 600; color: var(--gold); }

  .multiplier-bar { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 10px; width: 100%; font-size: 13px; }
  .mult-row { display: flex; justify-content: space-between; }
  .mult-label { color: var(--text2); }
  .mult-val { color: var(--green); font-weight: 600; }

  /* MIDDLE - UPGRADES */
  .upgrade-panel { padding: 16px; border-right: 1px solid var(--border); overflow-y: auto; }
  .panel-title { font-size: 13px; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 12px; font-weight: 600; }
  .upgrade-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; margin-bottom: 8px; }
  .upgrade-item { background: var(--bg3); border: 1px solid var(--border); border-radius: 8px; padding: 10px 8px; cursor: pointer; text-align: center; transition: all 0.15s; position: relative; }
  .upgrade-item:hover:not(.locked) { border-color: var(--gold); background: rgba(245,158,11,0.08); }
  .upgrade-item.locked { opacity: 0.45; cursor: default; }
  .upgrade-item .up-icon { font-size: 28px; display: block; line-height: 1; }
  .upgrade-item .up-name { font-size: 11px; color: var(--text); margin-top: 6px; line-height: 1.25; font-weight: 500; min-height: 28px; display: flex; align-items: center; justify-content: center; }
  .upgrade-item .up-cost { font-size: 11px; color: var(--gold); margin-top: 4px; font-weight: 600; }
  .upgrade-item.locked .up-cost { color: var(--text3); }

  .upgrade-bought { max-height: 220px; overflow-y: auto; border: 1px solid var(--border); border-radius: 8px; padding: 6px; background: var(--bg2); }
  .upgrade-bought:empty::before { content: "No upgrades yet — buy producers to unlock them"; color: var(--text3); font-size: 12px; display: block; text-align: center; padding: 20px 8px; font-style: italic; }
  .upgrade-bought-item { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: 6px; font-size: 12px; cursor: default; transition: background 0.15s; }
  .upgrade-bought-item:hover { background: var(--bg3); }
  .upgrade-bought-item .bought-icon { font-size: 20px; line-height: 1; flex-shrink: 0; }
  .upgrade-bought-item .bought-info { flex: 1; min-width: 0; }
  .upgrade-bought-item .bought-name { font-size: 12px; color: var(--text); font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .upgrade-bought-item .bought-tier { font-size: 10px; color: var(--purple); font-weight: 600; }
  .upgrade-bought-item .bought-check { color: var(--green); font-size: 14px; flex-shrink: 0; }

  /* Tooltip */
  .tooltip { position: fixed; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; font-size: 12px; white-space: nowrap; z-index: 2000; pointer-events: none; opacity: 0; transition: opacity 0.15s; min-width: 180px; text-align: left; box-shadow: 0 4px 16px rgba(0,0,0,0.4); }
  .tooltip.visible { opacity: 1; }
  .tooltip-name { font-weight: 600; color: var(--text); font-size: 13px; }
  .tooltip-desc { color: var(--text2); margin-top: 4px; white-space: normal; }
  .tooltip-cost { color: var(--gold); margin-top: 6px; font-weight: 600; }
  .tooltip-cost.insufficient { color: var(--red); }
  .tooltip-need { color: var(--text3); margin-top: 2px; font-size: 11px; }

  /* RIGHT - PRODUCERS */
  .producer-panel { padding: 16px; overflow-y: auto; }
  .producer-item { background: var(--bg3); border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; cursor: pointer; transition: all 0.15s; }
  .producer-item:hover:not(.cant-afford) { border-color: var(--gold); }
  .producer-item.cant-afford { opacity: 0.45; }
  .producer-item.cant-afford .prod-cost { color: var(--text3); }
  .producer-item.cant-afford .prod-owned { color: var(--text3); }
  .prod-icon { font-size: 28px; width: 40px; text-align: center; flex-shrink: 0; }
  .prod-info { flex: 1; min-width: 0; }
  .prod-name { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .prod-rate { font-size: 12px; color: var(--text2); margin-top: 2px; }
  .prod-right { text-align: right; flex-shrink: 0; }
  .prod-cost { font-size: 13px; color: var(--gold); font-weight: 600; }
  .prod-owned { font-size: 20px; font-weight: 700; color: var(--text2); }
  .prod-item-bar { height: 2px; background: var(--border); border-radius: 2px; margin-top: 6px; overflow: hidden; }
  .prod-item-fill { height: 100%; background: var(--gold); border-radius: 2px; transition: width 0.3s; }

  /* NEWS TICKER */
  .news-bar { background: var(--bg2); border-top: 1px solid var(--border); padding: 6px 16px; font-size: 13px; color: var(--text2); overflow: hidden; white-space: nowrap; }
  .news-inner { display: inline-block; padding-left: 100%; animation: ticker 50s linear infinite; }
  .news-inner.restart { animation: none; }
  @keyframes ticker { from { transform: translateX(0); } to { transform: translateX(-100%); } }

  /* FLAG POPUP */
  #flag-popup { position: fixed; z-index: 998; cursor: pointer; user-select: none; display: none; transition: all 0.5s ease; }
  #flag-popup.show { display: block; }
  .flag-inner { font-size: 60px; filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5)); animation: flagWave 0.5s ease-in-out infinite alternate; }
  @keyframes flagWave { from { transform: rotate(-5deg); } to { transform: rotate(5deg); } }
  .flag-bonus { position: absolute; top: -10px; right: -10px; background: var(--gold); color: #000; font-size: 11px; font-weight: 700; border-radius: 10px; padding: 2px 6px; white-space: nowrap; }

  /* NOTIFICATION */
  #notif { position: fixed; top: 70px; right: 16px; z-index: 999; display: flex; flex-direction: column; gap: 8px; pointer-events: none; }
  .notif-item { background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 10px 14px; max-width: 280px; font-size: 14px; animation: slideIn 0.3s ease, fadeOut 0.5s ease 2.5s forwards; }
  .notif-item.gold { border-color: var(--gold); }
  .notif-item.purple { border-color: var(--purple); }
  @keyframes slideIn { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
  @keyframes fadeOut { from { opacity: 1; } to { opacity: 0; pointer-events: none; } }

  /* PRESTIGE CONFIRM */
  #prestige-modal { position: fixed; inset: 0; background: rgba(0,0,0,0.85); display: none; align-items: center; justify-content: center; z-index: 999; }
  #prestige-modal.open { display: flex; }
  .prestige-card { background: var(--bg2); border: 1px solid var(--purple); border-radius: 16px; padding: 32px; max-width: 400px; width: 90%; text-align: center; }
  .prestige-card h2 { color: var(--purple); font-size: 24px; margin-bottom: 8px; }
  .prestige-card p { color: var(--text2); margin-bottom: 20px; line-height: 1.6; }
  .prestige-confirm { background: var(--purple); color: #fff; border: none; padding: 12px 28px; border-radius: 8px; font-size: 16px; font-weight: 600; cursor: pointer; margin-right: 8px; }
  .prestige-cancel { background: var(--bg3); color: var(--text); border: 1px solid var(--border); padding: 12px 28px; border-radius: 8px; font-size: 16px; cursor: pointer; }

  .lib-accent { color: var(--accent-lib); }
  .con-accent { color: var(--accent-con); }
  .prestige-badge { display: inline-flex; align-items: center; gap: 4px; background: rgba(168,85,247,0.15); border: 1px solid var(--purple); color: var(--purple); font-size: 12px; padding: 3px 8px; border-radius: 6px; }

  .villain-mode .topbar { border-bottom-color: #7c3aed; }
  .villain-mode .clicker-btn { border-color: #7c3aed; }
  .villain-mode .prod-item-fill { background: var(--purple); }
  .villain-mode .currency-main { color: var(--purple); }
  .villain-mode .news-bar { background: #110d1a; }

  .zone-dots { display: flex; gap: 4px; justify-content: center; margin-top: 3px; }
  .zone-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--bg3); border: 1px solid var(--border); }
  .zone-dot.done { background: var(--green); border-color: var(--green); }
  .zone-dot.current { background: var(--gold); border-color: var(--gold); }
  .zone-dot.villain { background: var(--purple); border-color: var(--purple); }

  scrollbar-width: thin; scrollbar-color: var(--bg3) transparent;

  .zone-switcher { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; justify-content: center; }
  .zone-sw-btn { background: var(--bg3); border: 1px solid var(--border); color: var(--text2); border-radius: 8px; padding: 4px 10px; font-size: 12px; cursor: pointer; display: flex; align-items: center; gap: 5px; transition: all 0.15s; white-space: nowrap; }
  .zone-sw-btn:hover { border-color: var(--gold); color: var(--text); }
  .zone-sw-btn.active { border-color: var(--gold); color: var(--gold); background: rgba(245,158,11,0.1); }
  .zone-sw-btn.villain { border-color: var(--purple); }
  .zone-sw-btn.villain:hover, .zone-sw-btn.villain.active { border-color: var(--purple); color: var(--purple); background: rgba(168,85,247,0.1); }
  .zone-sw-btn span { max-width: 90px; overflow: hidden; text-overflow: ellipsis; }

  .activity-log-wrap { width: 100%; margin-top: 4px; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; display: flex; flex-direction: column; }
  .activity-log-head { display: flex; align-items: center; justify-content: space-between; padding: 6px 10px; background: var(--bg3); font-size: 11px; font-weight: 600; color: var(--text2); text-transform: uppercase; letter-spacing: 0.05em; }
  .log-clear-btn { background: none; border: none; color: var(--text3); cursor: pointer; font-size: 16px; line-height: 1; padding: 0 4px; border-radius: 4px; }
  .log-clear-btn:hover { color: var(--text); background: var(--bg); }
  .activity-log { max-height: 180px; min-height: 80px; overflow-y: auto; padding: 6px; font-size: 12px; display: flex; flex-direction: column-reverse; }
  .activity-log:empty::before { content: "No activity yet"; color: var(--text3); font-style: italic; font-size: 11px; text-align: center; padding: 20px 0; display: block; }
  .log-entry { padding: 5px 8px; margin-bottom: 3px; border-radius: 5px; background: var(--bg3); border-left: 2px solid var(--border); font-size: 11px; line-height: 1.3; }
  .log-entry.gold { border-left-color: var(--gold); }
  .log-entry.purple { border-left-color: var(--purple); }
  .log-entry.green { border-left-color: var(--green); }
  .log-entry .log-time { color: var(--text3); font-size: 10px; margin-right: 6px; }
  .log-entry .log-msg { color: var(--text); }

  .bulk-buy-bar { display: flex; align-items: center; gap: 6px; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; padding: 6px 10px; margin-bottom: 10px; flex-wrap: wrap; }
  .bulk-label { font-size: 12px; color: var(--text2); font-weight: 600; margin-right: 4px; }
  .bulk-qty-btn { flex: 1; min-width: 40px; background: var(--bg3); border: 1px solid var(--border); color: var(--text2); padding: 5px 8px; border-radius: 6px; font-size: 12px; font-weight: 600; cursor: pointer; transition: all 0.15s; }
  .bulk-qty-btn:hover { border-color: var(--gold); color: var(--text); }
  .bulk-qty-btn.active { background: var(--gold); color: #000; border-color: var(--gold); }
  .upgrade-item.special { border-color: var(--gold); background: rgba(245,158,11,0.05); }
  .upgrade-item.special:hover { background: rgba(245,158,11,0.15); }

  /* Purchased upgrades — grouped by producer */
  .upgrade-bought-item .bought-mult { color: var(--gold); font-weight: 600; font-size: 11px; margin-left: 4px; }
  .upgrade-bought-item .bought-count { background: var(--gold); color: #000; font-size: 11px; font-weight: 700; padding: 2px 7px; border-radius: 10px; min-width: 20px; text-align: center; flex-shrink: 0; }
  .upgrade-bought-item .bought-tier { white-space: normal; line-height: 1.3; }

  /* Click power upgrade — special variant */
  .upgrade-item.special-click { border-color: #3b82f6; background: rgba(59,130,246,0.06); }
  .upgrade-item.special-click:hover { background: rgba(59,130,246,0.15); }