/* base.css — global reset, body, TOP HUD, DEV PANEL, toasts, ad overlay */


  /* animated menu grid background */
  .menu-bg {
    position: absolute; inset: 0;
    background-image:
      linear-gradient(var(--grid-color) 1px, transparent 1px),
      linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: bg-drift 40s linear infinite;
    pointer-events: none;
    z-index: 0;
  }
  @keyframes bg-drift {
    from { background-position: 0 0; }
    to { background-position: 30px 30px; }
  }


  /* ==================== TOP HUD ==================== */
  .hud {
    background: var(--bg-2);
    padding: 4px 6px;
    border-bottom: 1px solid var(--accent-dim);
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
    z-index: 10;
    min-height: 42px;
    position: relative;
  }
  .hud-cell { display: flex; flex-direction: column; align-items: center; gap: 0; flex: 1; min-width: 0; }
  .hud-label { color: var(--muted); font-size: 7px; text-transform: uppercase; letter-spacing: 1px; }
  .hud-value { color: var(--accent); font-size: 12px; font-weight: bold; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 100%; }
  .hud-value.gold { color: var(--gold); }
  .hud-value.good { color: var(--good); }
  .hud-value.purple { color: var(--purple); }
  .hud-btn {
    background: var(--bg);
    border: 1px solid var(--danger);
    color: var(--danger);
    padding: 6px 10px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 10px;
    font-weight: bold;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
  }
  .hud-btn:active { background: var(--danger); color: var(--bg); }
  .hud-btn.info {
    border-color: var(--accent);
    color: var(--accent);
  }
  .hud-btn.info:active { background: var(--accent); color: var(--bg); }

  .speed-selector {
    display: flex; gap: 2px; background: var(--bg); border: 1px solid var(--accent-dim); border-radius: 4px; padding: 2px;
  }
  .speed-btn {
    background: none; border: none; color: var(--muted); padding: 3px 7px;
    font-family: inherit; font-size: 9px; font-weight: bold; cursor: pointer; border-radius: 2px;
    min-width: 22px;
  }
  .speed-btn.active { background: var(--accent); color: var(--bg); }
  .speed-btn.locked { opacity: 0.3; position: relative; }
  .speed-btn.locked::after { content: '🔒'; position: absolute; top: -2px; right: -2px; font-size: 6px; }

  /* v0.7.7 Battle HUD reskin */
  .hud-end-btn {
    background: linear-gradient(180deg, #ff4466, #cc2244);
    border: 1px solid #ff6688;
    color: white;
    padding: 0 8px;
    border-radius: 6px;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    flex-shrink: 0;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    min-width: 44px;
    min-height: 38px;
    box-shadow: 0 0 calc(var(--glow-on) * 5px) rgba(255,68,102,0.4);
    gap: 0;
  }
  .hud-end-btn:active { transform: scale(0.94); }
  .hud-end-icon { font-size: 14px; line-height: 1; }
  .hud-end-label { font-size: 8px; letter-spacing: 0.5px; margin-top: 1px; }

  .hud-resource-card {
    background: linear-gradient(180deg, rgba(20,26,40,0.9), rgba(14,18,30,0.9));
    border: 1px solid var(--accent-dim);
    border-radius: 6px;
    display: flex; align-items: center;
    gap: 6px;
    padding: 4px 8px;
    flex: 1;
    min-width: 0;
    min-height: 38px;
  }
  .hud-coins-card {
    border-color: var(--gold);
    box-shadow: 0 0 calc(var(--glow-on) * 5px) rgba(255,204,0,0.25);
  }
  .hud-cash-card {
    border-color: var(--good);
    box-shadow: 0 0 calc(var(--glow-on) * 5px) rgba(102,255,102,0.25);
  }
  .hud-resource-icon {
    font-size: 18px;
    line-height: 1;
    flex-shrink: 0;
    width: 22px; height: 22px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-weight: bold;
  }
  .hud-coins-card .hud-resource-icon {
    background: radial-gradient(circle, #ffdd66, #cc9900);
    color: #664400;
    box-shadow: 0 0 6px rgba(255,204,0,0.5);
  }
  .hud-cash-card .hud-resource-icon {
    background: radial-gradient(circle, #88dd88, #226622);
    color: #113311;
    box-shadow: 0 0 6px rgba(102,255,102,0.5);
  }
  .hud-resource-stack {
    display: flex; flex-direction: column;
    min-width: 0;
    flex: 1;
  }
  .hud-resource-label {
    color: var(--muted);
    font-size: 7px;
    letter-spacing: 1px;
    font-weight: bold;
  }
  .hud-resource-value {
    color: var(--text);
    font-size: 13px;
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .hud-coins-card .hud-resource-value { color: var(--gold); }
  .hud-cash-card .hud-resource-value { color: var(--good); }

  .hud-bm-btn {
    background: linear-gradient(180deg, rgba(0,240,255,0.15), rgba(0,180,200,0.1));
    border: 1px solid var(--accent);
    color: var(--accent);
    padding: 6px 8px;
    border-radius: 6px;
    font-family: inherit;
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
    flex-shrink: 0;
    min-height: 38px;
    min-width: 48px;
    display: flex; align-items: center; gap: 3px;
    box-shadow: 0 0 calc(var(--glow-on) * 5px) rgba(0,240,255,0.2);
  }
  .hud-bm-btn:active { transform: scale(0.94); }
  .hud-bm-label { font-size: 12px; }
  .hud-bm-caret { font-size: 9px; opacity: 0.7; }

  .hud-dev-btn {
    background: transparent;
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 6px 8px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 11px;
    cursor: pointer;
    flex-shrink: 0;
    min-height: 38px;
  }
  .hud-dev-btn:active { background: var(--gold); color: var(--bg); }


  /* ==================== DEV PANEL ==================== */
  .dev-panel {
    position: fixed;
    top: 6%; left: 4%; right: 4%; bottom: 72px;
    background: var(--bg);
    border: 2px solid var(--gold);
    border-radius: 10px;
    z-index: 300;
    display: none;
    flex-direction: column;
    overflow: hidden;
  }
  .dev-panel.active { display: flex; }
  .dev-header {
    background: var(--gold);
    color: var(--bg);
    padding: 10px;
    font-weight: bold;
    display: flex; justify-content: space-between; align-items: center;
    text-transform: uppercase; letter-spacing: 2px;
  }
  .dev-header-close {
    background: var(--bg); color: var(--gold); border: 1px solid var(--bg);
    padding: 4px 10px; border-radius: 4px; cursor: pointer; font-weight: bold;
  }
  .dev-body {
    flex: 1; overflow-y: auto; padding: 10px;
    display: grid; grid-template-columns: 1fr 1fr; gap: 6px;
  }
  .dev-btn {
    background: var(--panel-2); border: 1px solid var(--gold); color: var(--text);
    padding: 10px 8px; border-radius: 4px; font-family: inherit; font-size: 10px;
    cursor: pointer; text-align: left;
  }
  .dev-btn:active { background: var(--gold); color: var(--bg); }
  .dev-btn.toggle-on { background: var(--good); color: var(--bg); border-color: var(--good); }
  .dev-section {
    grid-column: span 2;
    color: var(--gold); font-size: 10px; font-weight: bold;
    margin-top: 8px; text-transform: uppercase; letter-spacing: 1px;
    border-bottom: 1px solid var(--gold); padding-bottom: 2px;
  }
  .dev-section:first-child { margin-top: 0; }
  .dev-info { grid-column: span 2; color: var(--muted); font-size: 9px; line-height: 1.4; margin-bottom: 4px; }

  /* end overlay */
  .end-overlay {
    position: fixed; inset: 0;
    background: rgba(0, 0, 0, 0.85);
    display: none; align-items: center; justify-content: center;
    z-index: 100; padding: 20px;
  }
  .end-overlay.active { display: flex; }
  .end-card { background: var(--bg-2); border: 2px solid var(--danger); border-radius: 10px; padding: 18px; max-width: 320px; width: 100%; text-align: center; }
  .end-title { color: var(--danger); font-size: 20px; margin-bottom: 12px; font-weight: bold; }
  .end-stats { display: flex; flex-direction: column; gap: 4px; margin-bottom: 14px; }
  .end-stat-row { display: flex; justify-content: space-between; font-size: 12px; }
  .end-stat-label { color: var(--muted); }
  .end-stat-value { color: var(--accent); font-weight: bold; }
  .end-stat-value.gold { color: var(--gold); }
  .end-btn {
    width: 100%; background: var(--accent); border: 2px solid var(--accent);
    color: var(--bg); padding: 12px; border-radius: 6px;
    font-family: inherit; font-size: 12px; font-weight: bold; cursor: pointer;
    text-transform: uppercase; letter-spacing: 2px;
  }
  .end-btn:active { transform: scale(0.97); }

  .offline-toast {
    position: fixed; top: env(safe-area-inset-top); left: 50%; transform: translateX(-50%);
    background: var(--bg-2); border: 1px solid var(--good); color: var(--good);
    padding: 10px 14px; border-radius: 0 0 8px 8px;
    font-size: 11px; z-index: 50; max-width: 300px;
    text-align: center; box-shadow: 0 4px 12px rgba(0,0,0,0.5); line-height: 1.4;
  }
  .offline-toast .close { margin-left: 8px; color: var(--muted); cursor: pointer; font-size: 14px; }

  /* milestones */
  .milestone {
    background: var(--panel-2); border: 1px solid var(--accent-dim);
    border-radius: 5px; padding: 8px 10px;
    display: flex; justify-content: space-between; align-items: center;
    gap: 8px; margin-bottom: 5px;
  }
  .milestone.claimed { opacity: 0.45; }
  .milestone.ready { border-color: var(--good); box-shadow: 0 0 calc(var(--glow-on) * 5px) rgba(68,255,136,0.3); }
  .milestone-info { flex: 1; min-width: 0; }
  .milestone-target { color: var(--accent); font-weight: bold; font-size: 11px; }
  .milestone-reward { color: var(--muted); font-size: 9px; margin-top: 2px; }
  .milestone-reward b { color: var(--gold); }
  .milestone-reward b.gem { color: var(--purple); }
  .milestone-btn {
    background: var(--good); border: 1px solid var(--good);
    color: var(--bg); padding: 6px 12px; border-radius: 4px;
    font-family: inherit; font-size: 10px; font-weight: bold; cursor: pointer;
    flex-shrink: 0;
  }
  .milestone-btn:disabled {
    background: var(--panel); border-color: var(--accent-dim); color: var(--muted);
    cursor: not-allowed;
  }
  .milestone-btn.locked { background: var(--panel); border-color: var(--accent-dim); color: var(--muted); }
  .milestone-tier-header {
    color: var(--purple); font-weight: bold; font-size: 11px;
    text-transform: uppercase; letter-spacing: 1px;
    margin: 10px 0 4px;
    padding: 4px 8px;
    background: var(--panel);
    border-left: 3px solid var(--purple);
  }
  .milestone-tier-header:first-child { margin-top: 0; }

  /* Goals tab: horizontal tier tab bar */
  .goal-tier-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 8px;
    overflow-x: auto;
    padding-bottom: 4px;
    -webkit-overflow-scrolling: touch;
  }
  .goal-tier-tab {
    flex-shrink: 0;
    background: var(--panel-2);
    border: 1px solid var(--accent-dim);
    color: var(--muted);
    padding: 7px 12px;
    font-family: inherit;
    font-size: 11px;
    font-weight: bold;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    border-radius: 4px;
    position: relative;
    min-width: 44px;
  }
  .goal-tier-tab.active {
    color: var(--purple);
    background: rgba(170,68,255,0.10);
    border-color: var(--purple);
  }
  .goal-tier-badge {
    position: absolute; top: -5px; right: -5px;
    min-width: 16px; height: 16px;
    background: var(--good); color: var(--bg);
    border-radius: 8px;
    font-size: 9px; font-weight: bold;
    display: flex; align-items: center; justify-content: center;
    padding: 0 4px;
  }

  /* Shop compact "coming soon" list */
  .shop-coming {
    display: flex; flex-direction: column; gap: 6px;
  }
  .shop-coming-item {
    display: flex; align-items: center; gap: 10px;
    background: var(--panel-2); border: 1px solid var(--accent-dim);
    border-radius: 5px; padding: 8px 10px;
    opacity: 0.75;
  }
  .shop-coming-icon {
    font-size: 20px; flex-shrink: 0;
  }
  .shop-coming-text {
    font-size: 10px; color: var(--muted); line-height: 1.4;
  }
  .shop-coming-text b { color: var(--accent); font-size: 11px; }

  /* Shop section titles and skin grid */
  .shop-section-title {
    color: var(--accent);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 14px 0 3px;
    font-weight: bold;
  }
  .shop-section-sub {
    color: var(--muted);
    font-size: 9px;
    margin-bottom: 8px;
  }
  .skin-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 8px;
  }
  .skin-tile {
    background: var(--panel-2);
    border: 1px solid var(--accent-dim);
    border-radius: 6px;
    padding: 8px 4px;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    cursor: pointer;
    transition: transform 0.1s;
  }
  .skin-tile:active { transform: scale(0.96); }
  .skin-tile.equipped { border-color: var(--accent); box-shadow: 0 0 calc(var(--glow-on) * 6px) var(--accent); }
  .skin-tile.locked { opacity: 0.75; }
  .skin-preview {
    width: 48px; height: 48px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    position: relative;
  }
  .skin-preview.bg-preview {
    width: 56px; height: 40px;
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
  }
  .skin-preview-core {
    width: 16px; height: 16px;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
  }
  .skin-name {
    font-size: 10px; font-weight: bold; color: var(--text);
  }
  .skin-status {
    font-size: 8px; color: var(--muted);
    text-transform: uppercase; letter-spacing: 0.5px;
  }
  .skin-tile.equipped .skin-status { color: var(--accent); }

  .skin-toast {
    position: fixed; bottom: 80px; left: 50%;
    transform: translateX(-50%);
    background: var(--panel);
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 11px;
    z-index: 100;
    pointer-events: none;
    box-shadow: 0 0 calc(var(--glow-on) * 8px) rgba(255,204,0,0.3);
    animation: toastFade 1.4s ease-out forwards;
  }
  @keyframes toastFade {
    0% { opacity: 0; transform: translate(-50%, 8px); }
    15% { opacity: 1; transform: translate(-50%, 0); }
    85% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, -8px); }
  }

  /* Card pack buttons */
  .card-pack-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 8px;
  }
  .card-pack-btn {
    background: linear-gradient(180deg, rgba(170,68,255,0.15), rgba(120,48,200,0.08));
    border: 1px solid var(--purple);
    color: var(--text);
    padding: 12px 8px;
    border-radius: 8px;
    font-family: inherit;
    cursor: pointer;
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    box-shadow: 0 0 calc(var(--glow-on) * 5px) rgba(170,68,255,0.2);
  }
  .card-pack-btn:active:not(:disabled) { transform: scale(0.97); }
  .card-pack-btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .card-pack-btn.bundle {
    background: linear-gradient(180deg, rgba(255,204,0,0.18), rgba(200,140,0,0.1));
    border-color: var(--gold);
    box-shadow: 0 0 calc(var(--glow-on) * 6px) rgba(255,204,0,0.25);
  }
  .pack-title {
    font-size: 13px; font-weight: bold;
    text-transform: uppercase; letter-spacing: 0.5px;
  }
  .pack-desc {
    font-size: 9px; color: var(--muted);
  }
  .pack-cost {
    font-size: 13px; font-weight: bold;
    color: var(--purple);
    margin-top: 3px;
  }
  .card-pack-btn.bundle .pack-cost { color: var(--gold); }

  /* Direct unlock list */
  .direct-unlock-list {
    display: flex; flex-direction: column; gap: 4px;
  }
  .direct-unlock-btn {
    background: var(--panel-2);
    border: 1px solid var(--accent-dim);
    color: var(--text);
    padding: 8px 10px;
    border-radius: 6px;
    font-family: inherit;
    cursor: pointer;
    display: flex; align-items: center; gap: 8px;
    text-align: left;
  }
  .direct-unlock-btn:active:not(:disabled) { transform: scale(0.98); }
  .direct-unlock-btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .direct-unlock-btn.prime { border-color: var(--purple); }
  .du-icon {
    font-size: 18px;
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
  }
  .du-info {
    flex: 1;
    display: flex; flex-direction: column; gap: 1px;
    min-width: 0;
  }
  .du-name {
    font-size: 11px; font-weight: bold; color: var(--text);
  }
  .du-tier {
    font-size: 8px;
    color: var(--muted);
    letter-spacing: 1px;
  }
  .du-cost {
    font-size: 12px; font-weight: bold;
    color: var(--purple);
    flex-shrink: 0;
  }
  .direct-unlock-btn.standard .du-cost { color: var(--accent); }

  /* Pull reveal overlay */
  .pull-reveal-overlay {
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.88);
    z-index: 400;
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
    animation: fadeIn 0.2s ease-out;
  }
  @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
  .pull-reveal-card {
    background: var(--bg);
    border: 2px solid var(--gold);
    border-radius: 12px;
    padding: 16px;
    max-width: 100%; max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 0 40px rgba(255,204,0,0.4);
  }
  .pull-reveal-title {
    color: var(--gold);
    font-size: 14px; font-weight: bold;
    text-align: center;
    text-transform: uppercase; letter-spacing: 2px;
    margin-bottom: 12px;
  }
  .pull-reveal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 8px;
    margin-bottom: 12px;
  }
  .pull-card {
    border: 2px solid;
    border-radius: 8px;
    padding: 10px 6px;
    display: flex; flex-direction: column; align-items: center; gap: 3px;
    animation: pullPop 0.4s ease-out;
  }
  @keyframes pullPop {
    0% { transform: scale(0.5); opacity: 0; }
    70% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
  }
  .pull-card-icon { font-size: 28px; }
  .pull-card-tier {
    font-size: 8px; font-weight: bold;
    letter-spacing: 1px;
  }
  .pull-card-name {
    font-size: 11px; font-weight: bold;
    color: var(--text);
    text-align: center;
    line-height: 1.1;
  }
  .pull-badge {
    font-size: 8px; font-weight: bold;
    padding: 2px 6px;
    border-radius: 10px;
    letter-spacing: 0.5px;
    margin-top: 2px;
  }
  .pull-badge.new { background: var(--good); color: var(--bg); }
  .pull-badge.up { background: var(--gold); color: var(--bg); }
  .pull-badge.dup { background: var(--panel); color: var(--muted); border: 1px solid var(--accent-dim); }

  .pull-reveal-btn {
    width: 100%;
    background: var(--accent);
    color: var(--bg);
    border: none;
    padding: 10px;
    border-radius: 6px;
    font-family: inherit;
    font-weight: bold;
    font-size: 12px;
    cursor: pointer;
    text-transform: uppercase; letter-spacing: 1px;
  }
  .pull-reveal-btn:active { transform: scale(0.98); }

  /* Cards tab: 3 equipped slots + inventory grid */
  .card-slots {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 8px;
  }
  .card-slot {
    background: var(--panel);
    border: 1px dashed var(--accent-dim);
    border-radius: 6px;
    padding: 10px 6px;
    min-height: 92px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    cursor: pointer;
    text-align: center;
    transition: transform 0.1s;
  }
  .card-slot.empty .card-slot-empty-plus {
    font-size: 24px; color: var(--accent-dim); font-weight: bold; line-height: 1;
  }
  .card-slot.empty .card-slot-empty-label {
    color: var(--muted); font-size: 9px; text-transform: uppercase;
    letter-spacing: 1px; margin-top: 4px;
  }
  .card-slot.selecting {
    border: 2px solid var(--accent);
    background: var(--accent-deep);
    animation: pulse-border 1s infinite;
  }
  .card-slot.selecting .card-slot-empty-plus,
  .card-slot.selecting .card-slot-empty-label {
    color: var(--accent);
  }
  @keyframes pulse-border {
    0%, 100% { box-shadow: 0 0 0 0 rgba(0,240,255,0.3); }
    50%      { box-shadow: 0 0 0 6px rgba(0,240,255,0); }
  }
  .card-slot.filled {
    border-style: solid; border-width: 1px;
  }
  .card-slot.filled:active { transform: scale(0.96); }
  .card-slot-icon { font-size: 22px; line-height: 1; margin-bottom: 3px; }
  .card-slot-name {
    font-size: 10px; font-weight: bold; color: var(--text);
    line-height: 1.2; margin-bottom: 2px;
  }
  .card-slot-lvl {
    font-size: 9px; color: var(--gold);
  }
  .card-slot-unequip {
    font-size: 7px; color: var(--muted); margin-top: 4px;
    text-transform: uppercase; letter-spacing: 0.5px;
  }

  .card-bucket-summary {
    display: flex; flex-wrap: wrap; gap: 8px;
    background: var(--panel-2); border: 1px solid var(--accent-dim);
    border-radius: 4px; padding: 6px 8px;
    font-size: 10px; color: var(--text);
    margin-bottom: 4px;
  }

  .card-inventory {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
  }
  .card-tile {
    background: var(--panel-2);
    border: 1px solid var(--accent-dim);
    border-radius: 6px;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.1s;
    position: relative;
  }
  .card-tile:active { transform: scale(0.97); }
  .card-tile.equipped { opacity: 0.55; }
  .card-tile-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 6px 8px;
    border-bottom: 1px solid var(--accent-dim);
  }
  .card-tile-icon { font-size: 18px; }
  .card-tile-tier {
    font-size: 8px; font-weight: bold;
    text-transform: uppercase; letter-spacing: 1px;
  }
  .card-tile-name {
    font-size: 11px; font-weight: bold; color: var(--text);
    padding: 4px 8px 0;
  }
  .card-tile-stat {
    font-size: 9px; color: var(--muted);
    padding: 2px 8px 8px;
  }
  .card-tile-badge {
    position: absolute; top: 4px; right: 4px;
    background: var(--accent); color: var(--bg);
    font-size: 7px; font-weight: bold;
    padding: 2px 4px; border-radius: 2px;
    letter-spacing: 0.5px;
  }
  .card-tile-copies {
    font-size: 8px;
    color: var(--muted);
    padding: 0 8px 6px;
    letter-spacing: 0.3px;
  }

  .cards-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
  }
  .cards-header-title {
    color: var(--accent);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
  }
  .cards-header-sub {
    color: var(--muted);
    font-size: 9px;
  }

  .cards-section-title {
    color: var(--accent);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    margin: 14px 0 6px;
  }
  .cards-subsection-title {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: bold;
    margin: 10px 0 4px;
  }

  .card-slot-unlock-btn {
    width: 100%;
    background: linear-gradient(180deg, rgba(170,68,255,0.15), rgba(120,48,200,0.08));
    border: 1px solid var(--purple);
    color: var(--purple);
    padding: 8px 12px;
    border-radius: 6px;
    font-family: inherit;
    font-weight: bold;
    cursor: pointer;
    display: flex; justify-content: space-between; align-items: center;
    margin: 8px 0 10px;
  }
  .card-slot-unlock-btn:active { transform: scale(0.98); }
  .card-slot-unlock-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
  }
  .card-slot-unlock-btn.affordable {
    box-shadow: 0 0 calc(var(--glow-on) * 6px) rgba(170,68,255,0.35);
  }
  .card-slot-unlock-btn.maxed {
    background: var(--panel-2);
    border-color: var(--accent-dim);
    color: var(--muted);
    font-weight: bold;
    text-align: center;
    cursor: default;
    padding: 10px;
  }
  .slot-unlock-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  .slot-unlock-cost {
    font-size: 12px;
  }

  .pulse-once { animation: pulse 0.25s; }
  @keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.08); } }

  .coin-pulse { animation: coin-pulse 0.3s; }
  @keyframes coin-pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.25); }
    100% { transform: scale(1); }
  }


  /* ============== AD OVERLAY (simulated) ============== */
  .ad-overlay {
    position: fixed; inset: 0;
    background: #000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 300;
    color: white;
    font-family: inherit;
    padding: 20px;
  }
  .ad-overlay.active { display: flex; }
  .ad-sim-label {
    color: #888;
    font-size: 11px;
    letter-spacing: 2px;
    margin-bottom: 20px;
    text-transform: uppercase;
  }
  .ad-sim-title {
    color: white;
    font-size: 22px;
    font-weight: bold;
    margin-bottom: 10px;
  }
  .ad-sim-body {
    color: #ccc;
    font-size: 12px;
    text-align: center;
    max-width: 280px;
    margin-bottom: 30px;
    line-height: 1.6;
  }
  .ad-sim-countdown {
    font-size: 48px;
    color: var(--accent);
    font-weight: bold;
    margin-bottom: 20px;
  }
  .ad-sim-skip {
    padding: 10px 20px;
    border: 1px solid #666;
    background: #222;
    color: #ccc;
    border-radius: 4px;
    font-family: inherit;
    font-size: 11px;
    cursor: pointer;
  }
  .ad-sim-skip:disabled { opacity: 0.3; cursor: not-allowed; }
  .ad-sim-skip.enabled {
    border-color: var(--accent);
    color: var(--accent);
  }
  .ad-sim-skip.enabled:active { background: var(--accent); color: black; }
  .ad-sim-note {
    position: absolute;
    bottom: 20px;
    color: #444;
    font-size: 9px;
    letter-spacing: 1px;
  }