  *{ box-sizing: border-box; }

  html,body{
    margin:0;
    padding:0;
    height:100%;
    background: var(--bg-deep);
    color: var(--text-primary);
    font-family: 'Nunito', sans-serif;
  }

  body{
    background-image:
      radial-gradient(ellipse at 20% 10%, rgba(255,255,255,0.035), transparent 45%),
      radial-gradient(ellipse at 85% 80%, rgba(255,255,255,0.03), transparent 50%),
      linear-gradient(180deg, var(--bg-panel) 0%, var(--bg-deep) 100%);
    min-height: 100vh;
    display:flex;
    justify-content:center;
    padding: 32px 16px 60px;
  }

  /*
   * Only sudoku.html's <body> carries this class. It's what centers
   * the puzzle both horizontally and vertically and fits it to the
   * viewport height without scrolling. Deliberately NOT applied to
   * every page: `align-items: center` on a flex body is a known trap
   * when content is taller than the viewport (admin.html, with its
   * long color-picker form, is exactly that case) - the *start* of
   * the overflowing content becomes unreachable even with scrolling
   * enabled, which is exactly what happened to admin.html's "back to
   * game" link before this was split out.
   */
  body.game-body{
    height: 100vh;
    height: 100dvh;
    min-height: 0;
    align-items: center;
    padding: 16px 20px;
    overflow-y: auto;
  }

  .noise{
    position: fixed;
    inset: 0;
    pointer-events:none;
    opacity: 0.05;
    mix-blend-mode: overlay;
    z-index: 0;
  }

  .wrap{
    position: relative;
    z-index:1;
    width: 100%;
    max-width: 920px;
    display: flex;
    flex-direction: column;
    max-height: 100%;
  }

  header{
    display:flex;
    align-items: baseline;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 8px 24px;
    margin-bottom: 12px;
    border-bottom: 1px dashed var(--board-line-thin);
    padding-bottom: 10px;
    flex-shrink: 0;
  }

  .header-right{
    display:flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 8px;
  }

  .auth-nav{
    display:flex;
    align-items:center;
    gap: 12px;
    font-size: 13px;
  }

  .nav-greeting{
    color: var(--text-dim);
  }

  .nav-link{
    color: var(--accent);
    text-decoration: none;
    font-weight: 700;
    background: none;
    border: none;
    font-family: 'Nunito', sans-serif;
    font-size: 13px;
    cursor: pointer;
    padding: 0;
  }
  .nav-link:hover{ text-decoration: underline; }

  h1{
    font-family: 'Caveat', cursive;
    font-weight: 700;
    font-size: 42px;
    margin: 0;
    color: var(--text-primary);
    letter-spacing: 0.5px;
    line-height: 1;
  }

  h1 span{ color: var(--accent); }

  .tagline{
    font-family: 'Caveat', cursive;
    font-size: 18px;
    color: var(--text-dim);
    margin: 2px 0 0;
  }

  .stats{
    display:flex;
    gap: 20px;
    align-items:center;
    font-size: 15px;
    color: var(--text-dim);
  }

  .stat-value{
    font-weight: 800;
    color: var(--text-primary);
    font-size: 18px;
    margin-left: 6px;
    font-variant-numeric: tabular-nums;
  }

  .stat-coins{ color: var(--accent); }
  .win-stats .stat-coins{ color: var(--accent); }

  .layout{
    display:flex;
    gap: 24px;
    align-items:flex-start;
    flex-wrap: wrap;
    justify-content: center;
    min-height: 0;
  }

  .board-column{
    display:flex;
    flex-direction: column;
    align-items:center;
    gap: 12px;
  }

  .board-frame{
    background: var(--board-bg);
    border-radius: 14px;
    padding: 14px;
    box-shadow: inset 0 0 0 1px rgba(232,230,217,0.08), 0 12px 30px rgba(0,0,0,0.35);
    position: relative;
  }

  .board{
    display: grid;
    grid-template-columns: repeat(var(--grid-size, 9), minmax(0, 1fr));
    grid-template-rows: repeat(var(--grid-size, 9), minmax(0, 1fr));
    width: min(78vw, 50vh, 430px);
    height: min(78vw, 50vh, 430px);
    background: var(--board-line-thick);
    gap: 1px;
    border: 3px solid var(--board-line-thick);
    border-radius: 4px;
    overflow: hidden;
  }

  .cell{
    background: var(--board-bg);
    display:flex;
    align-items:center;
    justify-content:center;
    position: relative;
    cursor: pointer;
    user-select: none;
    font-family: 'Nunito', sans-serif;
    font-size: clamp(16px, 3.6vw, 24px);
    font-weight: 700;
    color: var(--text-user);
    transition: background 0.12s ease;
  }

  /* 16x16 packs nearly 3x as many cells into the same board footprint. */
  .board[data-size="16"] .cell{
    font-size: clamp(9px, 2vw, 14px);
  }

  .cell.given{ color: var(--text-given); font-weight: 800; cursor: default; }

  .cell[data-br="1"]{ border-right: 2.5px solid var(--board-line-thick); }
  .cell[data-bb="1"]{ border-bottom: 2.5px solid var(--board-line-thick); }
  .board[data-size="16"] .cell[data-br="1"]{ border-right-width: 1.5px; }
  .board[data-size="16"] .cell[data-bb="1"]{ border-bottom-width: 1.5px; }

  /* Diagonal mode: a faint always-on tint marks which cells carry the
     extra diagonal constraint, independent of selection/peer state. */
  .cell[data-diag="1"]{ box-shadow: inset 0 0 0 100px color-mix(in srgb, var(--diagonal-tint, #7f7f7f) 8%, transparent); }

  .cell.peer{ background: var(--board-peer-bg); }
  .cell.same-value{ background: var(--accent-secondary-dim); }
  .cell.selected{ background: var(--accent-dim); }
  .cell.error{ color: var(--accent-danger) !important; }
  .cell.error.selected{ background: var(--accent-danger-dim); }

  .cell.hint-flash{ animation: flash 0.6s ease; }
  @keyframes flash{
    0%{ background: var(--accent); }
    100%{ background: var(--accent-dim); }
  }

  .notes-grid{
    position:absolute;
    inset:0;
    display:grid;
    grid-template-columns: repeat(var(--notes-cols, 3), 1fr);
    grid-template-rows: repeat(var(--notes-rows, 3), 1fr);
    pointer-events:none;
  }
  .notes-grid span{
    display:flex;
    align-items:center;
    justify-content:center;
    font-size: clamp(7px, 1.5vw, 10px);
    font-weight: 700;
    color: var(--accent-secondary);
    font-family: 'Nunito', sans-serif;
  }
  .board[data-size="16"] .notes-grid span{
    font-size: clamp(4px, 0.9vw, 6px);
  }

  .controls{
    display:flex;
    flex-direction: column;
    gap: 14px;
    width: 100%;
    max-width: 430px;
  }

  .pill-row-label{
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-dim);
    margin-bottom: 5px;
  }

  .unlock-modes-btn{
    display: block;
    margin-top: 8px;
    padding: 9px 12px;
    background: var(--accent-dim);
    border: 1.5px dashed var(--accent);
    border-radius: 8px;
    color: var(--accent);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 12.5px;
    text-decoration: none;
    text-align: center;
    transition: all 0.15s ease;
  }
  .unlock-modes-btn:hover{ background: var(--accent); color: var(--accent-contrast); }

  .pill-row{
    display:flex;
    gap: 8px;
    flex-wrap: wrap;
  }

  .pill{
    flex: 1;
    background: transparent;
    border: 1.5px solid var(--board-line-thin);
    color: var(--text-dim);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 14px;
    padding: 9px 6px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.15s ease;
    letter-spacing: 0.3px;
  }
  .pill:hover{ border-color: var(--accent-dim); color: var(--text-primary); }
  .pill.active{
    background: var(--accent);
    border-color: var(--accent);
    color: var(--accent-contrast);
  }
  .pill:disabled{ opacity: 0.5; cursor: default; pointer-events: none; }

  .keypad{
    display:grid;
    grid-template-columns: repeat(9, 1fr);
    gap: 8px;
    width: min(78vw, 50vh, 430px);
  }

  .key{
    background: var(--bg-panel);
    border: 1.5px solid var(--board-line-thin);
    color: var(--text-primary);
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: 19px;
    padding: 12px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.12s ease;
  }
  .key:hover{ border-color: var(--accent); color: var(--accent); }
  .key:active{ transform: scale(0.94); }

  .keypad[data-size="16"]{
    grid-template-columns: repeat(16, 1fr);
  }
  .keypad[data-size="16"] .key{
    font-size: 13px;
    padding: 9px 0;
  }

  .action-row{
    display:flex;
    gap: 10px;
  }

  .action-btn{
    flex:1;
    display:flex;
    flex-direction: column;
    align-items:center;
    gap: 4px;
    background: var(--bg-panel);
    border: 1.5px solid var(--board-line-thin);
    color: var(--text-dim);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 12.5px;
    padding: 10px 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.12s ease;
  }
  .action-btn:hover{ color: var(--text-primary); border-color: var(--accent-dim); }
  .action-btn.toggled{ color: var(--accent); border-color: var(--accent); }
  .action-btn svg{ width: 18px; height: 18px; }

  .new-game-btn{
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    font-family: 'Caveat', cursive;
    font-size: 24px;
    font-weight: 700;
    padding: 12px 0;
    border-radius: 10px;
    cursor: pointer;
    letter-spacing: 0.5px;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
  }
  .new-game-btn:hover{ box-shadow: 0 6px 18px rgba(232,196,104,0.25); }
  .new-game-btn:active{ transform: scale(0.98); }
  .new-game-btn:disabled{ opacity: 0.6; cursor: default; box-shadow: none; }

  .footnote{
    font-size: 13px;
    color: var(--text-dim);
    text-align:center;
    line-height: 1.6;
  }

  .win-overlay{
    position: fixed;
    inset:0;
    background: rgba(10,15,13,0.82);
    display:none;
    align-items:center;
    justify-content:center;
    z-index: 50;
    padding: 20px;
  }
  .win-overlay.show{ display:flex; }
  .win-card{
    background: var(--bg-panel);
    border: 1.5px solid var(--accent-dim);
    border-radius: 14px;
    padding: 32px 36px;
    text-align:center;
    max-width: 360px;
  }
  .win-card h2{
    font-family:'Caveat', cursive;
    font-size: 44px;
    color: var(--accent);
    margin: 0 0 6px;
  }
  .win-card p{ color: var(--text-dim); margin: 4px 0 20px; font-size: 15px; }
  .win-stats{
    display:flex;
    justify-content: center;
    gap: 28px;
    margin-bottom: 22px;
  }
  .win-stats div{ text-align:center; }
  .win-stats .num{ font-size: 26px; font-weight: 800; color: var(--text-primary); display:block; }
  .win-stats .lbl{ font-size: 12px; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.5px; }

  .game-over-card h2{ color: var(--accent-danger); }
  .game-over-card p{ color: var(--text-dim); font-size: 14px; margin: 0 0 20px; line-height: 1.6; }

  /* Covers just the board (board-frame has position:relative), not
     the whole page - blocks interaction with the puzzle underneath
     and holds off starting the timer until the player is ready. */
  .start-overlay{
    position: absolute;
    inset: 0;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(10,15,13,0.72);
    border-radius: 10px;
    z-index: 20;
  }
  .start-overlay.show{ display: flex; }

  .start-card{
    background: var(--bg-panel);
    border: 1.5px solid var(--accent-dim);
    border-radius: 14px;
    text-align: center;
    padding: 24px 28px;
  }
  .start-card p{
    color: var(--text-dim);
    font-size: 14px;
    margin: 0 0 16px;
  }
  .start-card .new-game-btn{
    padding: 12px 36px;
    width: auto;
  }

  /* Desktop: the panel is a transparent wrapper - its children (Mode,
     Difficulty, How to play) lay out exactly as if they were direct
     children of .controls, preserving the normal spacing/order. Only
     on mobile does this become an actual collapsible dropdown. */
  .mobile-options-panel{
    display: contents;
  }

  .options-menu-btn{
    display: none;
    background: none;
    border: 1.5px solid var(--board-line-thin);
    color: var(--text-dim);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 12px;
    padding: 6px 10px;
    border-radius: 999px;
    cursor: pointer;
  }
  .options-menu-btn:hover{ border-color: var(--accent); color: var(--accent); }

  @media (max-width: 600px){
    h1{ font-size: 42px; }
    .layout{ gap: 20px; }

    /* Tighter outer margins so more width is actually available for
       the board itself - paired with the calc()-based board width
       below, which sizes against this exact padding rather than an
       approximate vw percentage. */
    body.game-body{ padding: 8px 8px; }

    .board-column{ gap: 8px; }
    .controls{ gap: 10px; }

    .board-frame{ padding: 6px; }

    .board, .keypad{
      width: min(calc(100vw - 28px), 56vh, 430px);
    }
    .board{ height: min(calc(100vw - 28px), 56vh, 430px); }

    /* 16x16's keypad has 16 buttons - a single row makes each one
       tiny. On mobile specifically, wrap into 2 rows of 8: since the
       16 buttons are already in numeric DOM order (1..16), switching
       to 8 columns with no explicit row count makes the grid
       auto-wrap into exactly two rows (1-8, then 9-16) with no JS
       changes needed. Desktop keeps the single row (still readable
       there, and matches the board width in one line). */
    .keypad[data-size="16"]{
      grid-template-columns: repeat(8, 1fr);
      grid-auto-rows: 1fr;
      gap: 6px;
    }
    .keypad[data-size="16"] .key{
      font-size: 15px;
      padding: 8px 0;
    }

    /* Hides the title/tagline entirely on mobile to reclaim vertical
       space - the header still shows stats + nav + the options toggle. */
    .title-block{ display: none; }

    .header-right{
      flex-direction: row;
      flex-wrap: wrap;
      justify-content: flex-end;
      align-items: center;
      gap: 8px 12px;
      width: 100%;
    }
    .stats{ font-size: 12px; gap: 10px; }

    .options-menu-btn{ display: inline-block; }

    /* Mode, Difficulty, and How to play collapse into one dropdown,
       toggled by the header's Options button, so they don't take up
       permanent vertical space on a small screen. */
    .mobile-options-panel{
      display: none;
      position: fixed;
      top: 84px;
      left: 16px;
      right: 16px;
      z-index: 45;
      flex-direction: column;
      gap: 14px;
      background: var(--bg-panel);
      border: 1.5px solid var(--board-line-thin);
      border-radius: 12px;
      padding: 18px;
      box-shadow: 0 16px 34px rgba(0,0,0,0.35);
      max-height: 70vh;
      overflow-y: auto;
    }
    .mobile-options-panel.open{
      display: flex;
    }
  }

  .how-to-play-btn{
    background: none;
    border: none;
    color: var(--text-dim);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 13px;
    text-decoration: underline;
    cursor: pointer;
    padding: 2px 0;
    align-self: center;
  }
  .how-to-play-btn:hover{ color: var(--accent); }

  .rules-overlay{
    position: fixed;
    inset: 0;
    background: rgba(10,15,13,0.82);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 55;
    padding: 20px;
  }
  .rules-overlay.show{ display: flex; }

  .rules-card{
    position: relative;
    background: var(--bg-panel);
    border: 1.5px solid var(--accent-dim);
    border-radius: 14px;
    padding: 30px 32px;
    max-width: 460px;
    max-height: 82vh;
    overflow-y: auto;
  }
  .rules-card h2{
    font-family: 'Caveat', cursive;
    font-size: 38px;
    color: var(--text-primary);
    margin: 0 0 12px;
  }
  .rules-card h2 span{ color: var(--accent); }
  .rules-card h3{
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin: 18px 0 8px;
  }
  .rules-card h3:first-of-type{ margin-top: 0; }
  .rules-card p{
    color: var(--text-primary);
    font-size: 14.5px;
    line-height: 1.6;
    margin: 0;
  }
  .rules-card ul{
    margin: 0;
    padding-left: 18px;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.7;
  }
  .rules-card li{ margin-bottom: 4px; }

  .rules-close{
    position: absolute;
    top: 14px;
    right: 14px;
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    padding: 4px;
  }
  .rules-close:hover{ color: var(--text-primary); }

  .sprite{
    position: fixed;
    left: 0;
    top: 0;
    width: 224px;
    height: 224px;
    pointer-events: none;
    z-index: 0;
    opacity: 0.92;
    will-change: transform;
  }
  .sprite-inner{ width: 100%; height: 100%; }
  .sprite-inner.sprite-flip{ transform: scaleX(-1); }
  .sprite-img{
    width: 100%;
    height: 100%;
    display: block;
    -webkit-user-drag: none;
    user-select: none;
    image-rendering: -webkit-optimize-contrast;
  }

  .grass-tuft{
    position: absolute;
    left: 3%;
    top: 76%;
    font-size: 20px;
    color: #8fb89a;
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  .sprite.state-graze .grass-tuft{ opacity: 1; }

  .sprite-zzz{
    position: absolute;
    right: 6%;
    top: 2%;
    font-family: 'Caveat', cursive;
    font-weight: 700;
    font-size: 28px;
    color: var(--accent);
    opacity: 0;
  }
  .sprite.state-sleep .sprite-zzz{ opacity: 0.9; animation: zzz-float 3s ease-in-out infinite; }

  @keyframes zzz-float{
    0%{ transform: translateY(0); opacity: 0; }
    20%{ opacity: 0.9; }
    100%{ transform: translateY(-18px); opacity: 0; }
  }

  /* ===== Auth pages (signup / login / profile) ===== */

  .auth-body{
    align-items: safe center;
  }

  .auth-wrap{
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    margin: 0 auto;
  }

  .auth-back{
    display:inline-block;
    color: var(--text-dim);
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 18px;
  }
  .auth-back:hover{ color: var(--text-primary); }

  .auth-card{
    background: var(--bg-panel);
    border: 1.5px solid var(--board-line-thin);
    border-radius: 14px;
    padding: 32px 30px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.35);
  }

  .auth-card h1{
    font-family: 'Caveat', cursive;
    font-size: 40px;
    margin: 0 0 4px;
    color: var(--text-primary);
  }
  .auth-card h1 span{ color: var(--accent); }

  .auth-subtitle{
    font-size: 14px;
    color: var(--text-dim);
    margin: 0 0 24px;
  }

  .field{
    display:flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
  }

  .field label{
    font-size: 13px;
    font-weight: 700;
    color: var(--text-dim);
  }

  .field input{
    background: var(--bg-deep);
    border: 1.5px solid var(--board-line-thin);
    border-radius: 8px;
    padding: 10px 12px;
    color: var(--text-primary);
    font-family: 'Nunito', sans-serif;
    font-size: 15px;
  }
  .field input:focus{
    outline: none;
    border-color: var(--accent);
  }

  .field-hint{
    font-size: 12px;
    color: var(--text-dim);
  }

  .consent-field{
    margin-bottom: 16px;
  }
  .consent-field label{
    display: flex;
    align-items: flex-start;
    gap: 8px;
    font-size: 12.5px;
    color: var(--text-dim);
    line-height: 1.5;
    cursor: pointer;
  }
  .consent-field input[type="checkbox"]{
    flex-shrink: 0;
    margin-top: 2px;
    width: 15px;
    height: 15px;
    accent-color: var(--accent);
  }
  .consent-field a{ color: var(--accent); }

  .form-message{
    font-size: 13.5px;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    line-height: 1.5;
    display: none;
  }
  .form-message.show{ display: block; }
  .form-message.error{
    background: var(--accent-danger-dim);
    color: var(--accent-danger);
  }
  .form-message.success{
    background: var(--accent-secondary-dim);
    color: var(--accent-secondary);
  }

  .auth-submit{
    width: 100%;
    background: var(--accent);
    color: var(--accent-contrast);
    border: none;
    font-family: 'Nunito', sans-serif;
    font-weight: 800;
    font-size: 15px;
    padding: 12px 0;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.12s ease, box-shadow 0.12s ease;
  }
  .auth-submit:hover{ box-shadow: 0 6px 18px rgba(232,196,104,0.25); }
  .auth-submit:active{ transform: scale(0.98); }
  .auth-submit:disabled{ opacity: 0.6; cursor: default; }

  .auth-switch{
    text-align: center;
    font-size: 13.5px;
    color: var(--text-dim);
    margin-top: 18px;
  }
  .auth-switch a{ color: var(--accent); text-decoration: none; font-weight: 700; }
  .auth-switch a:hover{ text-decoration: underline; }

  /* Profile page */

  .profile-row{
    display:flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 0;
    border-bottom: 1px dashed var(--board-line-thin);
    gap: 12px;
  }
  .profile-row:last-of-type{ border-bottom: none; }

  .profile-label{
    font-size: 13px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.4px;
  }

  .profile-value{
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
  }
  .profile-value.stat-coins{ color: var(--accent); font-size: 20px; }

  .profile-edit-btn{
    background: none;
    border: 1.5px solid var(--board-line-thin);
    color: var(--text-dim);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 12.5px;
    padding: 6px 12px;
    border-radius: 999px;
    cursor: pointer;
    transition: all 0.12s ease;
  }
  .profile-edit-btn:hover{ color: var(--text-primary); border-color: var(--accent-dim); }

  .danger-zone{
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--board-line-thin);
  }
  .danger-zone h2{
    font-size: 14px;
    color: var(--accent-danger);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 6px;
  }
  .danger-zone p{
    font-size: 13px;
    color: var(--text-dim);
    margin: 0 0 14px;
    line-height: 1.5;
  }
  .danger-btn{
    background: transparent;
    border: 1.5px solid var(--accent-danger);
    color: var(--accent-danger);
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 13.5px;
    padding: 10px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.12s ease;
  }
  .danger-btn:hover{ background: var(--accent-danger-dim); }

  .confirm-inline{
    display:none;
    margin-top: 12px;
    padding: 14px;
    background: var(--accent-danger-dim);
    border-radius: 8px;
    font-size: 13.5px;
    color: var(--text-primary);
  }
  .confirm-inline.show{ display:block; }
  .confirm-inline .field{ margin: 10px 0; }
  .confirm-row{ display:flex; gap: 8px; margin-top: 10px; }
  .confirm-row button{
    flex: 1;
    padding: 9px 0;
    border-radius: 8px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    font-size: 13px;
    cursor: pointer;
    border: none;
  }
  .confirm-yes{ background: var(--accent-danger); color: #2a1410; }
  .confirm-no{ background: transparent; border: 1.5px solid var(--board-line-thin) !important; color: var(--text-dim); }

  /* ===== Theme shop ===== */

  .shop-balance{
    font-size: 15px;
    font-weight: 700;
    color: var(--text-dim);
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px dashed var(--board-line-thin);
  }
  .shop-balance .stat-coins{ color: var(--accent); font-size: 18px; }

  .theme-grid{
    display: flex;
    flex-direction: column;
    gap: 14px;
  }

  .theme-card{
    display:flex;
    align-items:center;
    gap: 14px;
    padding: 14px;
    border: 1.5px solid var(--board-line-thin);
    border-radius: 10px;
  }

  .theme-swatches{
    display:flex;
    flex-shrink: 0;
  }
  .theme-swatch{
    width: 24px;
    height: 40px;
    display:inline-block;
  }
  .theme-swatch:first-child{ border-radius: 8px 0 0 8px; }
  .theme-swatch:last-child{ border-radius: 0 8px 8px 0; }

  .theme-card-body{ flex: 1; }

  .theme-name{
    font-weight: 800;
    color: var(--text-primary);
    font-size: 15px;
  }
  .theme-price{
    font-size: 13px;
    color: var(--text-dim);
    margin-top: 2px;
  }

  .theme-owned-badge{
    font-size: 12px;
    font-weight: 700;
    color: var(--accent-secondary);
    background: var(--accent-secondary-dim);
    padding: 6px 12px;
    border-radius: 999px;
    white-space: nowrap;
  }

  .theme-buy-btn{ white-space: nowrap; }
  .theme-buy-btn:disabled{ opacity: 0.5; cursor: default; }

  /* ===== Profile: Appearance / theme picker ===== */

  .appearance-section{
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--board-line-thin);
  }
  .appearance-section h2{
    font-size: 14px;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0 0 6px;
  }
  .appearance-section p{
    font-size: 13px;
    color: var(--text-dim);
    margin: 0 0 14px;
    line-height: 1.5;
  }
  .theme-shop-link{
    color: var(--accent);
    font-weight: 700;
    text-decoration: none;
  }
  .theme-shop-link:hover{ text-decoration: underline; }

  .theme-options{
    display:flex;
    flex-direction: column;
    gap: 10px;
  }

  .theme-option{
    display:flex;
    align-items:center;
    gap: 12px;
    padding: 10px 12px;
    border: 1.5px solid var(--board-line-thin);
    border-radius: 10px;
    cursor: pointer;
    background: none;
    width: 100%;
    text-align: left;
    font-family: 'Nunito', sans-serif;
  }
  .theme-option.active{
    border-color: var(--accent);
    background: var(--accent-dim);
  }
  .theme-option .theme-swatches{ }
  .theme-option .theme-swatch{ width: 18px; height: 28px; }
  .theme-option-name{
    flex: 1;
    font-weight: 700;
    font-size: 14px;
    color: var(--text-primary);
  }
  .theme-option-check{
    font-size: 12px;
    font-weight: 800;
    color: var(--accent);
    display: none;
  }
  .theme-option.active .theme-option-check{ display: inline; }

  /* ===== Admin page ===== */

  .admin-wrap{
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 8px;
  }

  .admin-title{
    font-family: 'Caveat', cursive;
    font-size: 40px;
    margin: 0 0 20px;
    color: var(--text-primary);
  }
  .admin-title span{ color: var(--accent); }

  .admin-layout{
    display: grid;
    grid-template-columns: 260px 1fr 420px;
    gap: 20px;
    align-items: start;
  }

  @media (max-width: 1100px){
    .admin-layout{ grid-template-columns: 1fr; }
  }

  .admin-layout .auth-card{ padding: 20px; }

  .admin-list-header{
    display:flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
  }
  .admin-list-header h2{
    font-size: 15px;
    color: var(--text-primary);
    margin: 0;
  }

  .admin-theme-list{
    display:flex;
    flex-direction: column;
    gap: 8px;
  }

  .admin-theme-item{
    display:flex;
    align-items:center;
    gap: 10px;
    padding: 10px;
    border: 1.5px solid var(--board-line-thin);
    border-radius: 8px;
    cursor: pointer;
    background: none;
    width: 100%;
    text-align:left;
    font-family: 'Nunito', sans-serif;
  }
  .admin-theme-item.active{
    border-color: var(--accent);
    background: var(--accent-dim);
  }
  .admin-theme-item .theme-swatches{ flex-shrink: 0; }
  .admin-theme-item .theme-swatch{ width: 14px; height: 22px; }
  .admin-theme-item-name{
    flex: 1;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--text-primary);
  }
  .admin-theme-item-price{
    font-size: 11.5px;
    color: var(--text-dim);
  }

  .field-row{
    display:flex;
    gap: 14px;
  }
  .field-row .field{ flex: 1; }

  .color-field-group{
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px dashed var(--board-line-thin);
  }
  .color-field-group h3{
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin: 0 0 10px;
  }

  .color-fields-grid{
    display:grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
  }

  .color-field{
    display:flex;
    flex-direction: column;
    gap: 4px;
  }
  .color-field label{
    font-size: 12px;
    font-weight: 700;
    color: var(--text-dim);
  }
  .color-field-inputs{
    display:flex;
    gap: 6px;
    align-items:center;
  }
  .color-field-inputs input[type="color"]{
    width: 34px;
    height: 34px;
    padding: 0;
    border: 1.5px solid var(--board-line-thin);
    border-radius: 6px;
    background: none;
    cursor: pointer;
    flex-shrink: 0;
  }
  .color-field-inputs input[type="text"]{
    flex: 1;
    min-width: 0;
    background: var(--bg-deep);
    border: 1.5px solid var(--board-line-thin);
    border-radius: 6px;
    padding: 7px 8px;
    color: var(--text-primary);
    font-family: 'Nunito', sans-serif;
    font-size: 12.5px;
  }

  .preview-title{
    font-size: 14px;
    color: var(--text-primary);
    margin: 0 0 4px;
  }

  .preview-frame-wrap{
    border: 1.5px solid var(--board-line-thin);
    border-radius: 10px;
    overflow: hidden;
    height: 640px;
  }
  .preview-frame{
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
  }

  /* ===== Legal / Terms page ===== */

  .legal-card h1{ margin-bottom: 14px; }

  .legal-disclaimer{
    background: var(--accent-danger-dim);
    color: var(--accent-danger);
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 13px;
    line-height: 1.6;
    margin: 0 0 22px;
  }

  .legal-card h2{
    font-size: 15px;
    color: var(--text-primary);
    margin: 22px 0 8px;
  }
  .legal-card h2:first-of-type{ margin-top: 0; }

  .legal-card p{
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.65;
    margin: 0 0 10px;
  }

  .legal-card ul{
    margin: 0 0 10px;
    padding-left: 18px;
    color: var(--text-primary);
    font-size: 14px;
    line-height: 1.7;
  }
  .legal-card li{ margin-bottom: 4px; }

  /* ===== Coin shop ===== */

  .coin-package-list{
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .coin-package-card{
    display:flex;
    align-items:center;
    justify-content: space-between;
    padding: 16px;
    border: 1.5px solid var(--board-line-thin);
    border-radius: 10px;
  }

  .coin-package-amount{
    font-size: 17px;
    font-weight: 800;
    color: var(--text-primary);
  }
  .coin-package-amount span{
    font-size: 12px;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
  }

  .coin-buy-btn{ white-space: nowrap; }
  .coin-buy-btn:disabled{ opacity: 0.5; cursor: default; }

  /* ===== Subscribe page ===== */

  .sub-status-card{
    background: var(--accent-secondary-dim);
    border-radius: 10px;
    padding: 18px;
  }
  .sub-status-label{
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-dim);
    margin-bottom: 4px;
  }
  .sub-status-value{
    font-size: 16px;
    font-weight: 800;
    color: var(--accent-secondary);
  }

  .coming-soon-card{
    text-align: center;
    padding: 20px 10px;
  }
  .coming-soon-icon{
    font-size: 32px;
    margin-bottom: 10px;
  }
  .coming-soon-card h2{
    font-size: 17px;
    color: var(--text-primary);
    margin: 0 0 8px;
  }
  .coming-soon-card p{
    font-size: 14px;
    color: var(--text-dim);
    line-height: 1.6;
    margin: 0;
  }
