/* === Responsive polish pass: PC, tablet and mobile === */
    :root {
      --page-pad-fluid: clamp(0.85rem, 2vw, 2.5rem);
      --gap-fluid: clamp(0.75rem, 1.6vw, 1.5rem);
      --radius-fluid: clamp(16px, 1.7vw, 26px);
      --touch-target: 44px;
      --modal-max-h: min(90dvh, 760px);
    }

    html {
      min-width: 320px;
      -webkit-text-size-adjust: 100%;
      text-size-adjust: 100%;
    }

    body {
      padding-bottom: env(safe-area-inset-bottom);
    }

    img, svg, canvas, video {
      max-width: 100%;
    }

    button,
    input,
    textarea,
    select,
    .game-tile,
    .lb-mode-btn,
    .mode-btn,
    .trainer-title-button,
    .trainer-badge-button,
    .feedback-bubble-btn,
    .support-link-btn,
    .feedback-option-btn,
    .feedback-send-btn {
      touch-action: manipulation;
    }

    button,
    .auth-header-btn,
    .achievement-header-btn,
    .support-header-btn,
    .lang-toggle-btn,
    nav button,
    .lb-mode-btn,
    .mode-btn,
    .start-btn,
    .trainer-title-option,
    .trainer-badge-option,
    .feedback-option-btn,
    .feedback-send-btn {
      min-height: var(--touch-target);
    }

    header {
      padding: clamp(0.8rem, 1.7vw, 1.25rem) var(--page-pad-fluid);
      gap: clamp(0.65rem, 1.4vw, 1.25rem);
      flex-wrap: wrap;
    }

    nav {
      flex-wrap: wrap;
      justify-content: center;
      min-width: 0;
    }

    nav button,
    .support-header-btn,
    .auth-header-btn,
    .achievement-header-btn {
      padding-inline: clamp(0.65rem, 1.2vw, 1rem);
      white-space: nowrap;
    }

    .header-actions {
      flex-wrap: wrap;
      justify-content: flex-end;
      min-width: 0;
      margin-left: auto;
    }

    main {
      width: min(100%, 1680px);
      padding: clamp(1rem, 2.2vw, 2.5rem) var(--page-pad-fluid) calc(clamp(3rem, 5vw, 5rem) + env(safe-area-inset-bottom));
      gap: var(--gap-fluid);
    }

    .hero h1,
    .game-library-header h1 {
      overflow-wrap: anywhere;
    }

    .game-selection-layout,
    #gameSelectionView.has-trainer-showcase .game-selection-layout {
      width: min(100%, 1660px);
      gap: var(--gap-fluid);
      align-items: stretch;
    }

    .game-selection-layout {
      grid-template-columns: minmax(220px, 250px) minmax(0, 1fr);
    }

    #gameSelectionView.has-trainer-showcase .game-selection-layout {
      grid-template-columns: minmax(220px, 250px) minmax(0, 2.35fr) minmax(300px, 0.95fr);
      align-items: stretch;
    }

    .game-library-grid {
      grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr));
      gap: var(--gap-fluid);
    }

    .upcoming-release-panel {
      border-radius: var(--radius-fluid);
      padding: clamp(0.9rem, 1.4vw, 1.15rem);
    }

    .upcoming-release-card {
      grid-template-columns: clamp(72px, 6vw, 82px) minmax(0, 1fr);
      gap: clamp(0.8rem, 1.2vw, 0.95rem);
      min-height: clamp(110px, 11vw, 130px);
      padding: clamp(0.8rem, 1vw, 0.9rem);
    }

    .upcoming-release-art {
      width: clamp(72px, 6vw, 82px);
      height: clamp(72px, 6vw, 82px);
    }

    .game-tile {
      min-height: clamp(170px, 17vw, 228px);
      border-radius: var(--radius-fluid);
      padding: clamp(0.85rem, 1.5vw, 1.25rem);
    }

    .game-tile-icon {
      width: clamp(76px, 8vw, 112px);
      height: clamp(76px, 8vw, 112px);
    }

    .trainer-showcase {
      border-radius: var(--radius-fluid);
      padding: clamp(0.9rem, 1.4vw, 1.2rem);
      min-width: 0;
    }

    .trainer-visual-row {
      grid-template-columns: minmax(0, 1fr) clamp(112px, 8.5vw, 140px);
      gap: clamp(0.75rem, 1.2vw, 1rem);
    }

    .trainer-sprite-stage {
      min-height: clamp(330px, 31vw, 460px);
      padding-top: clamp(0.35rem, 1vw, 0.75rem);
    }

    .trainer-sprite {
      width: min(430px, 138%);
      max-height: clamp(330px, 31vw, 450px);
    }

    .trainer-badge-card {
      width: clamp(112px, 8.5vw, 140px);
      min-height: clamp(170px, 14vw, 210px);
      padding: clamp(0.75rem, 1.1vw, 1rem) clamp(0.55rem, 0.9vw, 0.8rem);
      overflow: visible;
    }

    .trainer-badge-button {
      width: clamp(78px, 6.3vw, 96px);
      min-height: clamp(78px, 6.3vw, 96px);
    }

    .modal-overlay,
    .name-modal-overlay,
    .utility-modal-overlay,
    .exp-modal-overlay,
    .roulette-outcome-overlay,
    .roulette-bank-overlay {
      padding: max(0.85rem, env(safe-area-inset-top)) max(0.85rem, env(safe-area-inset-right)) max(0.85rem, env(safe-area-inset-bottom)) max(0.85rem, env(safe-area-inset-left));
      align-items: center;
    }

    .modal,
    .name-modal,
    .utility-modal,
    .exp-modal,
    .roulette-outcome-modal,
    .roulette-bank-modal {
      width: min(100%, 640px);
      max-height: var(--modal-max-h);
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
      border-radius: var(--radius-fluid);
    }

    .roulette-bank-modal {
      width: min(100%, 1040px);
    }

    #rouletteGameView.active {
      width: min(100%, 1320px);
      padding-inline: clamp(0.7rem, 1.4vw, 1rem);
    }

    #rouletteGameView .roulette-game-layout,
    .roulette-game-layout {
      grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.85fr);
      gap: var(--gap-fluid);
      align-items: start;
    }

    .roulette-wheel-wrap,
    #rouletteGameView .roulette-wheel-wrap {
      width: min(92vw, 620px);
      aspect-ratio: 1 / 1;
      height: auto;
      min-height: 0;
    }

    .roulette-pointer-readout,
    #rouletteGameView .roulette-pointer-readout,
    .roulette-controls,
    #rouletteGameView .roulette-controls,
    .roulette-result-card,
    #rouletteGameView .roulette-result-card {
      width: min(100%, 620px);
    }

    .roulette-team-grid {
      grid-template-columns: repeat(auto-fit, minmax(112px, 1fr));
    }

    .roulette-log {
      max-height: min(28dvh, 220px);
    }

    .feedback-widget {
      right: max(1rem, env(safe-area-inset-right));
      bottom: max(1rem, env(safe-area-inset-bottom));
      z-index: 60;
    }

    .feedback-panel {
      width: min(330px, calc(100vw - 2rem - env(safe-area-inset-left) - env(safe-area-inset-right)));
      max-height: min(72dvh, 560px);
      overflow-y: auto;
      -webkit-overflow-scrolling: touch;
    }

    @media (min-width: 1440px) {
      .game-library-grid {
        grid-template-columns: repeat(3, minmax(240px, 1fr));
      }

      .game-selection-layout {
        grid-template-columns: minmax(240px, 270px) minmax(0, 1040px);
      }

      #gameSelectionView.has-trainer-showcase .game-selection-layout {
        grid-template-columns: minmax(240px, 270px) minmax(0, 980px) minmax(350px, 420px);
      }

      .trainer-sprite-stage {
        min-height: 460px;
      }
    }

    @media (max-width: 1180px) {
      #gameView {
        grid-template-columns: minmax(260px, 0.34fr) minmax(0, 1fr);
        gap: 1.25rem;
      }

      .game-selection-layout,
      #gameSelectionView.has-trainer-showcase .game-selection-layout {
        grid-template-columns: 1fr;
        width: min(100%, 980px);
      }

      .upcoming-release-panel,
      .trainer-showcase {
        width: min(100%, 760px);
        margin-inline: auto;
      }

      .trainer-visual-row {
        grid-template-columns: minmax(0, 1fr) minmax(120px, 150px);
      }

      .trainer-sprite-stage {
        min-height: clamp(340px, 42vw, 430px);
      }

      #rouletteGameView .roulette-game-layout,
      .roulette-game-layout {
        grid-template-columns: 1fr;
      }

      .roulette-panel,
      .roulette-side-card {
        width: min(100%, 760px);
        margin-inline: auto;
      }
    }

    @media (max-width: 900px) {
      header {
        align-items: flex-start;
      }

      .logo {
        flex: 1 1 auto;
        line-height: 1.5;
      }

      nav {
        order: 3;
        flex: 1 1 100%;
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.15rem;
        scrollbar-width: thin;
      }

      nav button {
        flex: 0 0 auto;
      }

      .header-actions {
        flex: 1 1 100%;
        justify-content: flex-start;
      }

      #gameView {
        grid-template-columns: 1fr;
      }

      #gameView .hero,
      #gameView .scorebar,
      #gameView .mode-bar,
      #gameView .game-area {
        grid-column: 1;
        grid-row: auto;
      }

      .mode-bar {
        position: static;
        width: 100%;
      }

      .mode-group {
        width: 100%;
      }

      .game-area {
        grid-template-columns: 1fr;
      }

      .achievements-filter-row {
        display: flex;
        flex-wrap: wrap;
      }

      .achievement-filter-group {
        flex: 1 1 min(100%, 260px);
      }
    }

    @media (max-width: 700px) {
      :root {
        --page-pad-fluid: clamp(0.75rem, 4vw, 1rem);
      }

      header {
        padding-inline: max(0.85rem, env(safe-area-inset-left));
      }

      .logo {
        font-size: clamp(0.68rem, 3.7vw, 0.85rem);
      }

      nav {
        justify-content: stretch;
      }

      nav button {
        flex: 1 1 calc(50% - 0.5rem);
        padding-inline: 0.7rem;
      }

      .header-actions {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        width: 100%;
        gap: 0.5rem;
      }

      .header-actions > * {
        min-width: 0;
      }

      .support-header-btn,
      .auth-header-btn,
      .achievement-header-btn,
      .lang-toggle-btn {
        width: 100%;
        justify-content: center;
      }

      .language-menu {
        width: 100%;
      }

      .lang-dropdown {
        left: auto;
        right: 0;
        width: min(100vw - 2rem, 320px);
      }

      .exp-header-widget {
        grid-column: 1 / -1;
        width: 100%;
      }

      main {
        padding-top: 1rem;
      }

      .scorebar {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.65rem;
      }

      .score-chip {
        min-width: 0;
        padding-inline: 0.75rem;
      }

      .game-library-grid {
        grid-template-columns: 1fr;
      }

      .game-tile {
        min-height: 162px;
      }

      .trainer-showcase {
        width: min(100%, 420px);
      }

      .trainer-visual-row {
        grid-template-columns: 1fr;
      }

      .trainer-sprite-stage {
        min-height: clamp(330px, 85vw, 410px);
      }

      .trainer-sprite {
        width: min(360px, 124%);
        max-height: clamp(315px, 82vw, 390px);
      }

      .trainer-badge-card {
        width: min(100%, 260px);
        min-height: auto;
        justify-self: center;
      }

      .trainer-title-dropdown,
      .trainer-badge-dropdown {
        max-height: min(50dvh, 360px);
        overflow-y: auto;
      }

      .lb-table {
        background: transparent;
        border: none;
        display: grid;
        gap: 0.75rem;
        overflow: visible;
      }

      .lb-row.header {
        display: none;
      }

      .lb-row {
        display: grid;
        grid-template-columns: auto 1fr;
        gap: 0.5rem 0.75rem;
        padding: 0.95rem;
        border: 1px solid var(--border);
        border-radius: 16px;
        background: var(--card);
        box-shadow: 0 12px 28px rgba(0,0,0,0.16);
      }

      .lb-row:last-child {
        border-bottom: 1px solid var(--border);
      }

      .lb-row > span {
        text-align: left;
      }

      .lb-rank {
        grid-row: span 5;
        width: 2.35rem;
        height: 2.35rem;
        display: inline-grid;
        place-items: center;
        border-radius: 999px;
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.08);
        font-size: 0.58rem;
      }

      .lb-name {
        gap: 0.3rem;
      }

      .lb-player-name {
        white-space: normal;
      }

      .lb-player-title {
        white-space: normal;
        line-height: 1.25;
      }

      .lb-val,
      .lb-date {
        font-family: 'Nunito', sans-serif;
        font-size: 0.82rem;
        text-align: left;
        display: flex;
        justify-content: space-between;
        gap: 0.75rem;
        align-items: center;
        padding-top: 0.25rem;
        border-top: 1px solid rgba(255,255,255,0.06);
      }

      .lb-val::before,
      .lb-date::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: 0.66rem;
        font-weight: 900;
        text-transform: uppercase;
        letter-spacing: 0.5px;
      }

      .lb-date {
        white-space: normal;
      }

      .lb-empty {
        border: 1px dashed var(--border);
        border-radius: 16px;
        background: var(--card);
      }

      .roulette-wheel-wrap,
      #rouletteGameView .roulette-wheel-wrap {
        width: min(92vw, 440px);
      }

      .roulette-controls,
      #rouletteGameView .roulette-controls {
        grid-template-columns: 1fr;
      }

      .roulette-team-grid,
      #rouletteGameView .roulette-team-grid,
      .roulette-stat-grid,
      #rouletteGameView .roulette-stat-grid,
      .roulette-inventory-grid,
      #rouletteGameView .roulette-inventory-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
      }

      .roulette-result-card,
      #rouletteGameView .roulette-result-card {
        grid-template-columns: 1fr;
        text-align: center;
      }

      .roulette-result-card img,
      #rouletteGameView .roulette-result-card img {
        margin-inline: auto;
      }

      .feedback-widget {
        right: max(0.8rem, env(safe-area-inset-right));
        bottom: max(0.8rem, env(safe-area-inset-bottom));
      }
    }

    @media (max-width: 520px) {
      .header-actions {
        grid-template-columns: 1fr;
      }

      nav button {
        flex-basis: 100%;
      }

      .scorebar {
        grid-template-columns: 1fr;
      }

      .modal,
      .name-modal,
      .utility-modal,
      .exp-modal,
      .roulette-outcome-modal,
      .roulette-bank-modal {
        padding: clamp(0.85rem, 4vw, 1.1rem);
      }

      .trainer-sprite-stage {
        min-height: clamp(300px, 92vw, 360px);
      }

      .trainer-sprite {
        width: min(330px, 132%);
        max-height: clamp(290px, 88vw, 345px);
      }

      .roulette-team-grid,
      #rouletteGameView .roulette-team-grid,
      .roulette-bank-grid,
      .roulette-inventory-grid,
      #rouletteGameView .roulette-inventory-grid {
        grid-template-columns: 1fr;
      }

      .lb-row {
        grid-template-columns: 1fr;
      }

      .lb-rank {
        grid-row: auto;
      }
    }

    @media (max-width: 380px) {
      .game-tile-title,
      .roulette-game-header h1,
      .lb-header h2 {
        overflow-wrap: anywhere;
      }

      .feedback-panel {
        width: calc(100vw - 1.2rem);
      }
    }

  

    .achievement-unlock-overlay {
      position: fixed;
      inset: 0;
      z-index: 7600;
      display: none;
      align-items: center;
      justify-content: center;
      padding: max(1rem, env(safe-area-inset-top)) max(1rem, env(safe-area-inset-right)) max(1rem, env(safe-area-inset-bottom)) max(1rem, env(safe-area-inset-left));
      background: rgba(5, 7, 18, 0.78);
      backdrop-filter: blur(10px);
    }

    .achievement-unlock-overlay.open { display: flex; }

    .achievement-unlock-modal {
      width: min(430px, 100%);
      max-height: min(90dvh, 680px);
      overflow-y: auto;
      border-radius: 28px;
      border: 1px solid rgba(255, 203, 5, 0.52);
      background:
        radial-gradient(circle at 50% -10%, rgba(255,203,5,0.22), transparent 50%),
        linear-gradient(180deg, rgba(25, 29, 52, 0.98), rgba(12, 15, 31, 0.98));
      box-shadow: 0 24px 80px rgba(0,0,0,0.55), 0 0 30px rgba(255,203,5,0.14);
      padding: clamp(1.1rem, 3vw, 1.6rem);
      text-align: center;
      position: relative;
      animation: achievementUnlockPop 0.22s ease-out;
    }

    @keyframes achievementUnlockPop {
      from { transform: translateY(12px) scale(0.96); opacity: 0; }
      to { transform: translateY(0) scale(1); opacity: 1; }
    }

    .achievement-unlock-kicker {
      color: var(--accent);
      font-family: 'Press Start 2P', monospace;
      font-size: clamp(0.56rem, 1.7vw, 0.72rem);
      letter-spacing: 0.8px;
      line-height: 1.5;
      text-transform: uppercase;
      margin-bottom: 0.9rem;
    }

    .achievement-unlock-icon-shell {
      width: clamp(112px, 26vw, 148px);
      height: clamp(112px, 26vw, 148px);
      margin: 0 auto 1rem;
      display: grid;
      place-items: center;
      border-radius: 30px;
      border: 1px solid rgba(255,255,255,0.12);
      background: radial-gradient(circle at 50% 15%, rgba(255,255,255,0.12), rgba(255,255,255,0.035));
      box-shadow: inset 0 0 0 1px rgba(255,255,255,0.04), 0 12px 26px rgba(0,0,0,0.24);
    }

    .achievement-unlock-icon-shell img {
      width: 86%;
      height: 86%;
      object-fit: contain;
      image-rendering: pixelated;
      filter: drop-shadow(0 0 16px rgba(255,203,5,0.26));
    }

    .achievement-unlock-title {
      color: #fff;
      font-family: 'Press Start 2P', monospace;
      font-size: clamp(0.72rem, 2vw, 0.95rem);
      line-height: 1.55;
      margin: 0 0 0.75rem;
    }

    .achievement-unlock-desc {
      color: var(--muted);
      font-weight: 800;
      font-size: clamp(0.88rem, 2.5vw, 1rem);
      line-height: 1.5;
      margin: 0 0 1rem;
    }

    .achievement-unlock-reward {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      max-width: 100%;
      color: #fde68a;
      background: rgba(255,203,5,0.1);
      border: 1px solid rgba(255,203,5,0.28);
      border-radius: 999px;
      padding: 0.5rem 0.78rem;
      font-size: 0.78rem;
      font-weight: 950;
      line-height: 1.25;
      margin-bottom: 1rem;
    }

    .achievement-unlock-reward img {
      width: 28px;
      height: 28px;
      object-fit: contain;
    }

    .achievement-unlock-count {
      color: var(--muted);
      font-size: 0.74rem;
      font-weight: 900;
      margin-bottom: 0.85rem;
    }

    .achievement-unlock-actions {
      display: flex;
      justify-content: center;
      gap: 0.7rem;
      flex-wrap: wrap;
    }

    .achievement-unlock-next-btn {
      border: 0;
      border-radius: 999px;
      padding: 0.82rem 1.15rem;
      min-height: 44px;
      min-width: 160px;
      cursor: pointer;
      font-family: 'Nunito', sans-serif;
      font-weight: 1000;
      color: #161616;
      background: linear-gradient(135deg, var(--accent), #ffd84d);
      box-shadow: 0 10px 24px rgba(255,203,5,0.22);
    }

    .achievement-unlock-next-btn:hover,
    .achievement-unlock-next-btn:focus-visible {
      transform: translateY(-1px);
      filter: brightness(1.05);
      outline: none;
    }

    @media (max-width: 520px) {
      .achievement-unlock-modal { border-radius: 22px; }
      .achievement-unlock-next-btn { width: 100%; }
    }