/* LO Arcade theme – kid-friendly font & yellow buttons */
  :root {
    --lo-blue-start: #6DE0FF;
    --lo-blue-end: #4C6FFF;
    --lo-yellow: #FFDD55;
    --lo-yellow-dark: #d4b300;
    /* Safe areas for notched iPhones (use with viewport-fit=cover) */
    --safe-top: env(safe-area-inset-top, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
  }

  /* Remove all tap/selection highlights – native app feel */
  * {
    -webkit-tap-highlight-color: transparent;
  }
  button, canvas, div, a, input, [role="button"] {
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    outline: none;
  }
  *:focus {
    outline: none;
  }
  *:focus-visible {
    outline: none;
  }

  html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    background: black;
    font-family: "Fredoka", sans-serif;
    color: white;
    overflow: hidden;
  }
  
  #game {
    display: block;
    width: 100vw;
    height: 100vh;
  }
  body[data-mobile="true"] #game {
    z-index: 10;
    pointer-events: none;
  }

  /* Dedicated Jump button – construction theme, mobile-first */
  .jump-btn-container {
    display: none;
    position: fixed;
    left: 50%;
    transform: translateX(-50%);
    bottom: max(70px, calc(20px + var(--safe-bottom)));
    z-index: 15;
    pointer-events: none;
    text-align: center;
  }
  body[data-game-active="true"] .jump-btn-container {
    display: block;
    pointer-events: auto;
  }
  body[data-mobile="true"] .jump-btn-container {
    z-index: 8;
    bottom: max(36px, calc(10px + var(--safe-bottom)));
  }
  body[data-mobile="true"] .hud {
    z-index: 12;
  }
  body[data-mobile="true"] .jump-btn-helper {
    display: block;
    font-size: 12px;
    margin-bottom: 6px;
  }
  .jump-btn-helper {
    display: none;
    font-size: 14px;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.95);
    text-shadow: 0 1px 3px rgba(0,0,0,0.5);
    margin-bottom: 8px;
    opacity: 1;
    transition: opacity 0.6s ease;
  }
  .jump-btn-helper.fade-out {
    opacity: 0;
    pointer-events: none;
  }
  .jump-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    min-width: 120px;
    padding: 16px 32px;
    font-family: "Fredoka", sans-serif;
    font-size: 22px;
    font-weight: 800;
    color: #1a1a0a;
    background: linear-gradient(180deg, #ffdd33 0%, #ffaa00 50%, #e69500 100%);
    border: 4px solid #1a1a0a;
    border-radius: 20px;
    box-shadow: 0 6px 0 #1a1a0a, 0 8px 20px rgba(0,0,0,0.35);
    cursor: pointer;
    transition: transform 0.08s ease, box-shadow 0.08s ease;
    -webkit-tap-highlight-color: transparent;
    user-select: none;
    -webkit-user-select: none;
  }
  .jump-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 7px 0 #1a1a0a, 0 10px 24px rgba(0,0,0,0.4);
  }
  .jump-btn:active {
    transform: scale(0.94);
    box-shadow: 0 2px 0 #1a1a0a, 0 4px 12px rgba(0,0,0,0.3);
  }
  body[data-mobile="true"] .jump-btn {
    min-height: 56px;
    min-width: 96px;
    font-size: 18px;
    padding: 10px 22px;
    border-width: 3px;
    border-radius: 16px;
    box-shadow: 0 4px 0 #1a1a0a, 0 6px 16px rgba(0,0,0,0.3);
  }
  @media (min-width: 769px) {
    .jump-btn-container {
      bottom: max(60px, calc(16px + var(--safe-bottom)));
    }
    .jump-btn {
      min-height: 64px;
      min-width: 100px;
      font-size: 18px;
      padding: 12px 24px;
    }
  }

  /* Back to main – top right (respects notch on notched iPhones) */
  .back-to-main {
    position: fixed;
    top: max(12px, var(--safe-top));
    right: max(12px, var(--safe-right));
    z-index: 200;
    color: rgba(255, 255, 255, 0.95);
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 255, 255, 0.3);
    padding: 8px 14px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    backdrop-filter: blur(6px);
    transition: background 0.2s, border-color 0.2s;
  }
  .back-to-main:hover {
    background: rgba(0, 0, 0, 0.7);
    border-color: rgba(255, 255, 255, 0.5);
    color: white;
  }

  /* Cloud layer – top 1/3 to 1/2, behind crane hook */
  .game-cloud-layer {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 50%;
    pointer-events: none;
    z-index: 2;
  }
  .game-cloud {
    position: absolute;
    animation: cloudMoveLeft 50s linear infinite;
  }
  .game-cloud-1 { top: 6%;  left: 100%; width: 40vw;  max-width: 360px; animation: cloudMoveLeft 52s linear infinite; animation-delay: 0s;   }
  .game-cloud-2 { top: 12%; left: 100%; width: 32vw;  max-width: 280px; animation: cloudMoveLeft 58s linear infinite; animation-delay: -18s; }
  .game-cloud-3 { top: 3%;  left: 100%; width: 36vw;  max-width: 320px; animation: cloudMoveLeft 46s linear infinite; animation-delay: -32s; }
  @keyframes cloudMoveLeft {
    0%   { transform: translateX(0); }
    100% { transform: translateX(-140vw); }
  }

  /* Crane hook – match home page exactly (position, size, swing) */
  .game-hook {
    position: fixed;
    top: -10px;
    right: 8%;
    width: 14vw;
    max-width: 220px;
    min-width: 120px;
    transform-origin: top center;
    animation: swing 4s ease-in-out infinite alternate;
    pointer-events: none;
    z-index: 5;
  }

  @keyframes swing {
    0% { transform: rotate(-4deg); }
    100% { transform: rotate(4deg); }
  }

  @media (min-width: 769px) {
    .game-hook {
      width: 240px;
    }
  }

  @media (max-width: 768px) {
    .game-hook {
      right: 5%;
      width: 28vw;
    }
  }

  /* HUD – fun, interactive pills (respects notch on notched iPhones) */
  .hud {
    position: fixed;
    top: max(16px, var(--safe-top));
    left: max(16px, var(--safe-left));
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 10;
    pointer-events: none;
  }

  .hud-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 10px 18px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 700;
    letter-spacing: 0.02em;
    text-shadow: 0 1px 2px rgba(0,0,0,0.4);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
    max-width: fit-content;
  }

  .hud-pill::before {
    font-size: 1.15em;
    line-height: 1;
  }

  .hud-score {
    background: linear-gradient(135deg, rgba(255, 200, 50, 0.95), rgba(255, 140, 0, 0.9));
    color: #2a1a00;
    box-shadow: 0 4px 12px rgba(255, 180, 0, 0.35), inset 0 1px 0 rgba(255,255,255,0.4);
  }
  .hud-score::before {
    content: "★";
  }

  .hud-shards {
    background: linear-gradient(135deg, rgba(100, 220, 255, 0.95), rgba(50, 160, 255, 0.9));
    color: #001a2a;
    box-shadow: 0 4px 12px rgba(80, 180, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.4);
  }
  .hud-shards::before {
    content: "💎";
  }

  .hud-mult {
    background: linear-gradient(135deg, rgba(180, 100, 255, 0.95), rgba(140, 60, 220, 0.9));
    color: #fff;
    box-shadow: 0 4px 12px rgba(160, 80, 255, 0.35), inset 0 1px 0 rgba(255,255,255,0.3);
  }
  .hud-mult::before {
    content: "⚡";
  }

  .hud-mult.mult-high {
    animation: multGlow 0.6s ease;
    box-shadow: 0 0 20px rgba(255, 200, 80, 0.6), 0 4px 12px rgba(160, 80, 255, 0.4), inset 0 1px 0 rgba(255,255,255,0.3);
  }

  /* Multiplier progress bar – chunky arcade style, under multiplier pill */
  #multiplierBarWrapper {
    width: 120px;
    height: 14px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 10px;
    overflow: hidden;
    margin-top: 6px;
    box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.4);
    pointer-events: none;
    align-self: flex-start;
  }
  #multiplierBarFill {
    height: 100%;
    width: 0%;
    border-radius: 10px;
    transition: width 0.2s linear, background 0.2s linear;
  }
  @media (max-width: 768px) {
    #multiplierBarWrapper {
      width: 100px;
      height: 12px;
      margin-top: 5px;
    }
  }

  .hud-pill.pop {
    animation: pillPop 0.35s ease;
  }

  @keyframes pillPop {
    0% { transform: scale(1); }
    40% { transform: scale(1.18); }
    70% { transform: scale(0.98); }
    100% { transform: scale(1); }
  }

  @keyframes multGlow {
    0%, 100% { filter: brightness(1); }
    50% { filter: brightness(1.25); }
  }

  /* Overlays (padding respects safe areas on all iPhones) */
  #overlay, #gameOver {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    text-align: center;
    padding: max(20px, var(--safe-top)) max(20px, var(--safe-right)) max(20px, var(--safe-bottom)) max(20px, var(--safe-left));
    box-sizing: border-box;
  }
  #overlay {
    background: rgba(76, 111, 255, 0.92);
  }
  #gameOver {
    background: rgba(0, 0, 0, 0.85);
  }

  #overlay.hidden, #gameOver.hidden {
    display: none;
  }

  #overlay #startBtn {
    background: var(--lo-yellow);
    color: #1a1a2e;
    font-weight: 700;
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 20px rgba(255, 221, 85, 0.4);
  }
  #overlay #startBtn:hover {
    box-shadow: 0 5px 0 var(--lo-yellow-dark), 0 8px 24px rgba(255, 221, 85, 0.5);
  }
  #overlay #startBtn:disabled {
    opacity: 0.9;
    cursor: not-allowed;
  }
  #overlay .btn-rules {
    background: var(--lo-yellow);
    color: #1a1a2e;
    border: none;
    font-weight: 700;
    margin-top: 8px;
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 20px rgba(255, 221, 85, 0.4);
  }
  #overlay .btn-rules:hover {
    box-shadow: 0 5px 0 var(--lo-yellow-dark), 0 8px 24px rgba(255, 221, 85, 0.5);
  }

  .game-title-logo {
    max-width: 90%;
    width: 320px;
    height: auto;
    margin-bottom: 8px;
    display: block;
  }
  .overlay-tagline {
    font-size: 18px !important;
    margin: 0 0 20px 0 !important;
    opacity: 0.9;
  }

  /* How to play (first start only) */
  .how-to-play-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.88);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 170;
    padding: max(20px, var(--safe-top)) max(20px, var(--safe-right)) max(20px, var(--safe-bottom)) max(20px, var(--safe-left));
    box-sizing: border-box;
  }
  .how-to-play-overlay.hidden {
    display: none;
  }
  .how-to-play-card {
    background: linear-gradient(180deg, var(--lo-blue-start) 0%, var(--lo-blue-end) 100%);
    border-radius: 24px;
    padding: 32px;
    max-width: 400px;
    width: 100%;
    box-shadow: 0 16px 48px rgba(76, 111, 255, 0.4);
    color: #1a1a2e;
  }
  .how-to-play-card h2 {
    font-size: 26px;
    font-weight: 800;
    margin: 0 0 20px 0;
    text-align: center;
  }
  .how-to-play-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    font-size: 16px;
    line-height: 1.6;
  }
  .how-to-play-card li {
    padding: 8px 0;
    padding-left: 24px;
    position: relative;
  }
  .how-to-play-card li::before {
    content: "•";
    position: absolute;
    left: 0;
    font-weight: 800;
    color: var(--lo-yellow);
  }
  .how-to-play-card .btn-lo-yellow {
    display: block;
    width: 100%;
    text-align: center;
  }

  #overlay h1, #gameOver h1 {
    font-size: 48px;
    margin: 0 0 20px 0;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
  }

  #overlay p, #gameOver p {
    font-size: 18px;
    margin: 10px 0;
    opacity: 0.9;
  }

  button {
    font-family: "Fredoka", sans-serif;
    background: var(--lo-yellow);
    color: #1a1a2e;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    margin: 10px;
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 20px rgba(255, 221, 85, 0.4);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }

  button:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 0 var(--lo-yellow-dark), 0 8px 24px rgba(255, 221, 85, 0.5);
  }

  button:active {
    transform: scale(0.98);
  }

  /* Game Over Specific Styles */
  #gameOver {
    overflow-y: auto;
  }

  #finalLine {
    font-size: 20px;
    font-weight: 600;
    margin: 20px 0;
  }

  .leaderboard-section {
    margin: 20px 0;
    max-width: 400px;
    width: 100%;
  }

  .leaderboard-section h2 {
    font-size: 24px;
    margin: 20px 0 10px 0;
  }

  #top10List, #top10List2 {
    list-style: none;
    padding: 0;
    margin: 0;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 10px;
  }

  #top10List li, #top10List2 li {
    padding: 8px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
  }

  #top10List li:last-child, #top10List2 li:last-child {
    border-bottom: none;
  }

  .submit-section {
    margin: 20px 0;
    max-width: 400px;
    width: 100%;
  }

  #playerName {
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    margin-bottom: 10px;
    box-sizing: border-box;
  }

  #playerName::placeholder {
    color: rgba(255, 255, 255, 0.5);
  }

  #playerName:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.15);
  }

  .button-group {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
  }

  #submitMsg {
    margin-top: 10px;
    font-size: 14px;
    min-height: 20px;
  }

  /* ----- Global leaderboard panel (arcade style) ----- */
  .leaderboard-panel {
    margin: 20px 0;
    max-width: 400px;
    width: 100%;
  }

  .leaderboard-panel h2 {
    font-size: 20px;
    font-weight: 700;
    margin: 0 0 14px 0;
    letter-spacing: 0.04em;
    opacity: 0.95;
  }

  .leaderboard-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    background: rgba(0, 0, 0, 0.4);
    border-radius: 14px;
    padding: 14px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    min-height: 60px;
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  .leaderboard-list.leaderboard-visible {
    opacity: 1;
  }

  .leaderboard-row {
    display: grid;
    grid-template-columns: 44px 1fr 72px;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: 10px;
    font-size: 15px;
    transition: background 0.2s ease;
    border: 1px solid rgba(255, 255, 255, 0.08);
  }

  .leaderboard-row.gold {
    background: linear-gradient(90deg, rgba(255, 200, 50, 0.22), transparent);
    border-color: rgba(255, 200, 50, 0.25);
  }

  .leaderboard-row.silver {
    background: linear-gradient(90deg, rgba(200, 200, 220, 0.18), transparent);
    border-color: rgba(200, 200, 220, 0.2);
  }

  .leaderboard-row.bronze {
    background: linear-gradient(90deg, rgba(205, 130, 70, 0.22), transparent);
    border-color: rgba(205, 130, 70, 0.25);
  }

  .leaderboard-rank {
    font-weight: 800;
    font-size: 1.05em;
    min-width: 32px;
  }

  .leaderboard-name {
    font-weight: 600;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .leaderboard-score {
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    text-align: right;
  }

  /* ----- LO Arcade theme (Little Ollie) ----- */
  .btn-leaderboard,
  .btn-leaderboard-small {
    font-family: "Fredoka", sans-serif;
    background: var(--lo-yellow);
    color: #1a1a2e;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    margin: 8px;
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 20px rgba(255, 221, 85, 0.4);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }
  .btn-leaderboard:hover,
  .btn-leaderboard-small:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 0 var(--lo-yellow-dark), 0 8px 24px rgba(255, 221, 85, 0.5);
  }
  .btn-leaderboard-small {
    padding: 8px 16px;
    font-size: 14px;
    margin-top: 12px;
  }

  .btn-lo-yellow {
    font-family: "Fredoka", sans-serif;
    background: var(--lo-yellow);
    color: #1a1a2e;
    border: none;
    padding: 14px 28px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 20px rgba(255, 221, 85, 0.4);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }
  .btn-lo-yellow:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 0 var(--lo-yellow-dark), 0 8px 24px rgba(255, 221, 85, 0.5);
  }
  .btn-lo-secondary {
    font-family: "Fredoka", sans-serif;
    background: var(--lo-yellow);
    color: #1a1a2e;
    border: none;
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 20px rgba(255, 221, 85, 0.4);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }
  .btn-lo-secondary:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 0 var(--lo-yellow-dark), 0 8px 24px rgba(255, 221, 85, 0.5);
  }

  .leaderboard-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 160;
    padding: max(20px, var(--safe-top)) max(20px, var(--safe-right)) max(20px, var(--safe-bottom)) max(20px, var(--safe-left));
    box-sizing: border-box;
  }
  .leaderboard-overlay.hidden {
    display: none;
  }
  #closeLeaderboardBtn.hidden {
    display: none;
  }

  .leaderboard-card {
    position: relative;
    font-family: "Fredoka", sans-serif;
    background: linear-gradient(180deg, var(--lo-blue-start) 0%, var(--lo-blue-end) 100%);
    border-radius: 20px;
    padding: 24px;
    max-width: 400px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 50px rgba(76, 111, 255, 0.4), 0 0 0 2px rgba(255, 255, 255, 0.15);
    animation: lo-scale-in 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .leaderboard-rules-btn {
    position: absolute;
    top: 12px;
    right: 12px;
    font-family: "Fredoka", sans-serif;
    font-size: 12px;
    font-weight: 700;
    color: #1a1a2e;
    background: var(--lo-yellow);
    border: none;
    border-radius: 12px;
    padding: 6px 12px;
    cursor: pointer;
    box-shadow: 0 3px 0 var(--lo-yellow-dark), 0 4px 12px rgba(255, 221, 85, 0.35);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }
  .leaderboard-rules-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 16px rgba(255, 221, 85, 0.45);
  }
  .leaderboard-rules-btn:active {
    transform: scale(0.97);
  }
  .leaderboard-logo {
    width: 100%;
    max-width: 200px;
    height: auto;
    margin: 0 auto 8px auto;
    display: block;
  }
  .leaderboard-title {
    font-family: "Fredoka", sans-serif;
    font-size: 22px;
    font-weight: 600;
    margin: 0 0 16px 0;
    color: #1a1a2e;
    text-align: center;
    letter-spacing: 0.02em;
  }

  .leaderboard-list-popup {
    overflow-y: auto;
    flex: 1 1 auto;
    min-height: 140px;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .leaderboard-popup-row {
    font-family: "Fredoka", sans-serif;
    display: grid;
    grid-template-columns: 46px 1fr 70px;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.28);
    color: #1a1a2e;
    opacity: 0;
    animation: lo-row-fade-in 0.4s ease forwards;
    border: 1px solid rgba(255, 255, 255, 0.2);
  }
  .leaderboard-popup-row.rank-gold {
    background: linear-gradient(90deg, rgba(255, 215, 0, 0.45), rgba(255, 255, 255, 0.35));
    border-color: rgba(255, 215, 0, 0.5);
  }
  .leaderboard-popup-row.rank-silver {
    background: linear-gradient(90deg, rgba(192, 192, 192, 0.4), rgba(255, 255, 255, 0.3));
    border-color: rgba(192, 192, 192, 0.45);
  }
  .leaderboard-popup-row.rank-bronze {
    background: linear-gradient(90deg, rgba(205, 127, 50, 0.4), rgba(255, 255, 255, 0.3));
    border-color: rgba(205, 127, 50, 0.45);
  }
  .leaderboard-popup-rank { font-size: 1.05em; min-width: 36px; }
  .leaderboard-popup-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: 0.02em;
  }
  .leaderboard-popup-score { font-variant-numeric: tabular-nums; text-align: right; }

  @keyframes lo-scale-in {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
  }
  @keyframes lo-row-fade-in {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* ----- Modal overlay (Top 10 submit + Name) ----- */
  .modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(6px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 150;
    padding: max(20px, var(--safe-top)) max(20px, var(--safe-right)) max(20px, var(--safe-bottom)) max(20px, var(--safe-left));
    box-sizing: border-box;
    transition: opacity 0.2s ease;
  }

  .modal-overlay.hidden {
    display: none;
  }

  .modal-card {
    background: linear-gradient(180deg, #2a2a35 0%, #1a1a22 100%);
    border-radius: 16px;
    padding: 28px;
    max-width: 360px;
    width: 100%;
    border: 1px solid rgba(255, 255, 255, 0.12);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(255, 255, 255, 0.06);
    text-align: center;
  }

  .modal-card.modal-card-lo {
    background: linear-gradient(180deg, var(--lo-blue-start) 0%, var(--lo-blue-end) 100%);
    border-radius: 24px;
    border: 3px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 16px 48px rgba(76, 111, 255, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.15);
  }
  .modal-card.modal-card-lo h2 {
    color: #1a1a2e;
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.3);
  }
  .modal-card.modal-card-lo .modal-rank,
  .modal-card.modal-card-lo .modal-hint {
    color: #1a1a2e;
  }
  .modal-card.submission-modal-card {
    animation: lo-modal-slide-up 0.35s cubic-bezier(0.34, 1.2, 0.64, 1);
    box-shadow: 0 16px 48px rgba(76, 111, 255, 0.4), 0 0 40px rgba(255, 221, 85, 0.2);
  }
  @keyframes lo-modal-slide-up {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .modal-card h2 {
    font-size: 26px;
    margin: 0 0 12px 0;
  }

  .modal-rank {
    font-size: 18px;
    font-weight: 600;
    margin: 0 0 24px 0;
    opacity: 0.95;
  }

  .modal-hint {
    font-size: 13px;
    opacity: 0.8;
    margin: 0 0 16px 0;
  }

  .modal-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
  }

  .modal-card .secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
  }

  .modal-card .secondary:hover {
    background: rgba(255, 255, 255, 0.25);
  }

  .modal-card input {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    border: 2px solid rgba(255, 255, 255, 0.25);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.08);
    color: white;
    margin-bottom: 16px;
    box-sizing: border-box;
  }

  .modal-card input:focus {
    outline: none;
    border-color: rgba(255, 200, 80, 0.6);
  }
  .modal-card.modal-card-lo input {
    border-color: rgba(26, 26, 46, 0.3);
    background: rgba(255, 255, 255, 0.2);
    color: #1a1a2e;
  }
  .modal-card.modal-card-lo input:focus {
    border-color: var(--lo-yellow);
    box-shadow: 0 0 0 3px rgba(255, 221, 85, 0.3);
  }

  .modal-card input::placeholder {
    color: rgba(255, 255, 255, 0.4);
  }
  .modal-card.modal-card-lo input::placeholder {
    color: rgba(26, 26, 46, 0.5);
  }

  /* Keep Pushing popup */
  .keep-pushing-card {
    max-width: 380px;
  }
  .keep-pushing-card h2 {
    margin-bottom: 16px;
  }
  .keep-pushing-message {
    font-size: 17px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0 0 24px 0;
    line-height: 1.4;
  }
  .btn-play-again-large {
    padding: 16px 40px;
    font-size: 18px;
    font-weight: 800;
    letter-spacing: 0.04em;
  }
  .btn-leaderboard-keep-pushing {
    font-family: "Fredoka", sans-serif;
    display: block;
    width: 100%;
    margin-top: 12px;
    background: var(--lo-yellow);
    color: #1a1a2e;
    border: none;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 20px;
    cursor: pointer;
    box-shadow: 0 4px 0 var(--lo-yellow-dark), 0 6px 20px rgba(255, 221, 85, 0.4);
    transition: transform 0.15s ease, box-shadow 0.2s ease;
  }
  .btn-leaderboard-keep-pushing:hover {
    transform: translateY(-1px);
    box-shadow: 0 5px 0 var(--lo-yellow-dark), 0 8px 24px rgba(255, 221, 85, 0.5);
  }

  /* Leaderboard submit section (only when qualified) */
  .leaderboard-submit-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
  }
  .leaderboard-submit-section.hidden {
    display: none !important;
  }
  .leaderboard-play-again-only {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 2px solid rgba(255, 255, 255, 0.3);
    text-align: center;
  }
  .leaderboard-play-again-only.hidden {
    display: none !important;
  }
  .leaderboard-play-again-only .leaderboard-your-score {
    margin: 0 0 12px 0;
  }
  .leaderboard-submit-heading {
    font-size: 18px;
    font-weight: 800;
    color: #1a1a2e;
    margin: 0 0 4px 0;
  }
  .leaderboard-your-score {
    font-size: 17px;
    font-weight: 700;
    color: #1a1a2e;
    margin: 0 0 6px 0;
  }
  .leaderboard-placed-rank {
    font-size: 15px;
    font-weight: 600;
    color: #1a1a2e;
    margin: 0 0 12px 0;
    opacity: 0.95;
  }
  .leaderboard-submit-section input {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
    border: 2px solid rgba(26, 26, 46, 0.35);
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.3);
    color: #1a1a2e;
    margin-bottom: 12px;
    box-sizing: border-box;
  }
  .leaderboard-submit-section input:focus {
    outline: none;
    border-color: var(--lo-yellow);
    box-shadow: 0 0 0 3px rgba(255, 221, 85, 0.3);
  }
  .leaderboard-submit-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 8px;
  }
  .leaderboard-submit-msg {
    font-size: 14px;
    min-height: 20px;
    margin: 0;
    color: #1a1a2e;
    font-weight: 600;
  }

  @media (max-width: 480px) {
    .leaderboard-row {
      font-size: 14px;
      padding: 6px 10px;
    }
    .modal-card {
      padding: 22px;
    }
    .leaderboard-card {
      padding: 20px;
      border-radius: 20px;
    }
  }