/* ---------- Theme ---------- */
  :root {
    --bg: #f4ead5;
    --bg-deep: #e8dab8;
    --ink: #2a2a2a;
    --ink-soft: #555;
    --accent: #d97706;
    --accent-deep: #92400e;
    --panel: #fffbf0;
    --panel-border: #c8b88a;
    --shadow: 0 2px 0 rgba(0,0,0,0.15), 0 4px 12px rgba(0,0,0,0.08);

    --c-red:    #d63838;
    --c-yellow: #e8b923;
    --c-green:  #2f9e44;
    --c-blue:   #2563b8;
    --c-purple: #8b3aa8;
    --c-black:  #1a1a1a;
  }

  * { box-sizing: border-box; }
  html, body { margin: 0; padding: 0; }
  body {
    font-family: 'Georgia', 'Iowan Old Style', serif;
    background: var(--bg);
    background-image:
      radial-gradient(circle at 20% 10%, rgba(255,255,255,0.5) 0%, transparent 40%),
      radial-gradient(circle at 80% 90%, rgba(0,0,0,0.05) 0%, transparent 40%);
    color: var(--ink);
    min-height: 100vh;
    padding: 16px;
  }

  h1, h2, h3 {
    font-family: 'Georgia', serif;
    margin: 0;
  }

  /* ---------- Layout ---------- */
  .app {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 16px;
    max-width: 1400px;
    margin: 0 auto;
  }
  .table-area {
    display: flex;
    flex-direction: column;
    gap: 14px;
  }
  /* AI players stack vertically. With many opponents, allow internal
     scrolling so the deck/actions/pool remain visible below. */
  #ai-players {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-height: 50vh;
    overflow-y: auto;
  }
  .header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    padding: 0 6px;
  }
  .title {
    font-size: 28px;
    letter-spacing: 1px;
    color: var(--accent-deep);
    font-style: italic;
  }
  .title small {
    font-size: 13px;
    font-style: normal;
    color: var(--ink-soft);
    letter-spacing: 0.5px;
    margin-left: 8px;
  }
  .target {
    font-size: 13px;
    color: var(--ink-soft);
  }

  /* ---------- Panels (player areas, deck area) ---------- */
  .panel {
    background: var(--panel);
    border: 2px solid var(--panel-border);
    border-radius: 10px;
    padding: 12px;
    box-shadow: var(--shadow);
    position: relative;
  }
  .panel.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(217,119,6,0.25), var(--shadow);
  }
  .panel.out {
    opacity: 0.65;
  }

  .player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
  }
  .player-name {
    font-size: 16px;
    font-weight: bold;
  }
  .player-name .badge {
    display: inline-block;
    font-size: 10px;
    letter-spacing: 0.5px;
    background: var(--accent);
    color: white;
    padding: 2px 6px;
    border-radius: 3px;
    margin-left: 6px;
    vertical-align: middle;
  }
  .player-name .badge.out {
    background: #888;
  }
  .player-name .badge.scored {
    background: #2f9e44;
  }
  .player-stats {
    font-size: 13px;
    color: var(--ink-soft);
  }
  .player-stats strong {
    color: var(--ink);
    font-size: 15px;
  }

  .tableau {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: flex-start;
    min-height: 100px;
  }
  .card-row {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
  }
  .card-row.kept-row {
    padding-left: 0;
  }
  .row-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--ink-soft);
    margin-bottom: 4px;
    width: 100%;
  }
  .card-group {
    display: flex;
    flex-direction: column;
  }

  /* ---------- Cards ---------- */
  .card {
    width: 64px;
    height: 90px;
    border-radius: 6px;
    position: relative;
    flex-shrink: 0;
    user-select: none;
    transition: transform 0.15s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    overflow: hidden;
  }
  .card.art img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    pointer-events: none;
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
  }
  .card.recent {
    animation: pop 0.4s ease;
  }
  @keyframes pop {
    0% { transform: scale(0.6) rotate(-8deg); opacity: 0; }
    60% { transform: scale(1.1) rotate(2deg); }
    100% { transform: scale(1) rotate(0); opacity: 1; }
  }

  /* Ducks that would currently trigger their bonus get a subtle glow. */
  .card.duck-triggered {
    box-shadow: 0 0 0 2px var(--accent), 0 2px 6px rgba(217,119,6,0.45);
    transform: translateY(-2px);
  }
  /* Number cards in the pond that the human can take. */
  .card.pond-takeable {
    cursor: pointer;
    box-shadow: 0 0 0 2px var(--c-yellow), 0 2px 4px rgba(0,0,0,0.2);
  }
  .card.pond-takeable:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
  }
  /* Tableau cards that can be discarded for draws. */
  .card.discard-drawable {
    cursor: pointer;
  }
  .card.discard-drawable:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
    border-color: var(--c-red);
  }
  /* Divider between pond numbers and pond ducks. */
  .pond-divider {
    width: 2px;
    background: var(--panel-border);
    align-self: stretch;
    margin: 0 6px;
    border-radius: 2px;
  }
  .card.discard-pick {
    cursor: pointer;
  }
  .card.discard-pick:hover {
    transform: translateY(-4px);
    box-shadow: 0 6px 12px rgba(0,0,0,0.3);
  }

  /* ---------- Center area: deck + actions ---------- */
  .center-row {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 24px;
    align-items: center;
  }
  .deck-area {
    display: flex;
    gap: 24px;
    justify-content: center;
    align-items: center;
  }
  .deck-stack {
    text-align: center;
  }
  .deck-stack .label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--ink-soft);
    margin-bottom: 6px;
  }
  .deck-card {
    width: 64px;
    height: 90px;
    border-radius: 6px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2),
                3px 3px 0 -1px var(--bg-deep),
                3px 3px 0 0 var(--panel-border);
    margin: 0 auto;
    overflow: hidden;
    position: relative;
  }
  .deck-card img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
    pointer-events: none;
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    transform: translateZ(0);
  }
  .deck-card.empty {
    background: none;
    color: var(--ink-soft);
    font-size: 11px;
    box-shadow: none;
    border: 2px dashed var(--panel-border);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .deck-card.discard {
    background: var(--bg-deep);
    border: 2px dashed var(--panel-border);
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .deck-count {
    font-size: 12px;
    color: var(--ink-soft);
    margin-top: 4px;
  }

  /* ---------- Shared Kept Pool ---------- */
  .kept-pool-panel {
    margin-top: -8px;
  }
  .kept-pool-header {
    display: flex;
    align-items: baseline;
    gap: 12px;
    margin-bottom: 6px;
  }
  #kept-pool-row {
    min-height: 80px;
    flex-wrap: wrap;
  }
  #kept-pool-row .empty-msg {
    color: #999;
    font-size: 11px;
    font-style: italic;
    padding: 30px 4px 0;
  }
  .duck-group {
    position: relative;
    display: inline-block;
    margin-right: 6px;
  }
  .duck-qty {
    position: absolute;
    top: -6px;
    right: -6px;
    background: var(--accent-deep);
    color: white;
    font-size: 10px;
    font-weight: bold;
    border-radius: 999px;
    padding: 1px 5px;
    line-height: 1.4;
    pointer-events: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.35);
  }

  /* ---------- Action buttons ---------- */
  .actions {
    display: flex;
    flex-direction: row;
    gap: 12px;
    min-width: 320px;
  }
  .actions-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
  }
  .actions-info {
    justify-content: flex-start;
  }
  .btn {
    background: var(--accent);
    color: white;
    border: 2px solid var(--accent-deep);
    border-radius: 6px;
    padding: 10px 14px;
    font-family: inherit;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 2px 0 var(--accent-deep);
    transition: transform 0.05s;
  }
  .btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 3px 0 var(--accent-deep);
  }
  .btn:active:not(:disabled) {
    transform: translateY(2px);
    box-shadow: 0 0 0 var(--accent-deep);
  }
  .btn:disabled {
    background: #c5b896;
    border-color: #8a7d5e;
    box-shadow: 0 2px 0 #8a7d5e;
    cursor: not-allowed;
    color: #f4ead5;
  }
  .btn.secondary {
    background: var(--panel);
    color: var(--ink);
    border-color: var(--panel-border);
    box-shadow: 0 2px 0 var(--panel-border);
  }
  .btn.secondary:hover:not(:disabled) {
    background: #fffef5;
  }

  .turn-indicator {
    font-size: 13px;
    color: var(--ink-soft);
    text-align: center;
    padding: 4px;
    min-height: 18px;
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .turn-indicator strong { color: var(--accent-deep); }

  /* ---------- Modal / Prompts ---------- */
  .modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
  }
  .modal {
    background: var(--panel);
    border: 2px solid var(--panel-border);
    border-radius: 10px;
    padding: 24px;
    max-width: 480px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.3);
  }
  .modal h2 {
    color: var(--accent-deep);
    margin-bottom: 12px;
  }
  .modal p { line-height: 1.5; }
  .modal-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
    flex-wrap: wrap;
  }
  .modal-cards {
    display: flex;
    gap: 8px;
    margin: 12px 0;
    justify-content: center;
  }

  /* ---------- Log ---------- */
  .log-panel {
    background: var(--panel);
    border: 2px solid var(--panel-border);
    border-radius: 10px;
    padding: 12px;
    box-shadow: var(--shadow);
    height: calc(100vh - 32px);
    position: sticky;
    top: 16px;
    display: flex;
    flex-direction: column;
  }
  .log-panel h3 {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--accent-deep);
    margin-bottom: 8px;
    border-bottom: 1px solid var(--panel-border);
    padding-bottom: 6px;
  }
  .log {
    flex: 1;
    overflow-y: auto;
    font-size: 12px;
    line-height: 1.5;
  }
  .log .entry {
    padding: 3px 0;
    border-bottom: 1px dotted rgba(0,0,0,0.08);
  }
  .log .entry.round { font-weight: bold; color: var(--accent-deep); margin-top: 6px; }
  .log .entry.knockout { color: #c0392b; font-weight: bold; }
  .log .entry.score { color: #2f7a40; font-weight: bold; }
  .log .entry.win { color: var(--accent-deep); font-weight: bold; font-size: 13px; }
  .log .player-tag {
    display: inline-block;
    font-size: 10px;
    background: var(--bg-deep);
    padding: 1px 5px;
    border-radius: 3px;
    margin-right: 4px;
  }

  /* ---------- Rules popup ---------- */
  .info-body { line-height: 1.55; font-size: 14px; }
  .info-body p { margin: 0 0 10px; }
  .info-body p:last-child { margin-bottom: 0; }
  .rules-box {
    background: var(--bg-deep);
    border: 1px solid var(--panel-border);
    border-radius: 8px;
    padding: 10px 14px;
    margin: 10px 0;
  }
  .rules-ducks {
    list-style: none;
    padding: 0;
    margin: 8px 0 12px;
    background: var(--bg);
    border: 1px solid var(--panel-border);
    border-radius: 6px;
    padding: 8px 10px;
  }
  .rules-ducks li {
    margin: 4px 0;
    font-size: 13px;
    display: flex;
    align-items: baseline;
    gap: 8px;
  }
  .rules-ducks .dot {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 1px solid rgba(0,0,0,0.3);
    flex-shrink: 0;
    transform: translateY(2px);
  }
  .rules-ducks .dot-red    { background: var(--c-red); }
  .rules-ducks .dot-yellow { background: var(--c-yellow); }
  .rules-ducks .dot-green  { background: var(--c-green); }
  .rules-ducks .dot-blue   { background: var(--c-blue); }
  .rules-ducks .dot-purple { background: var(--c-purple); }
  .rules-ducks .dot-rainbow {
    background: linear-gradient(135deg,
      var(--c-red) 0%, var(--c-yellow) 25%,
      var(--c-green) 50%, var(--c-blue) 75%, var(--c-purple) 100%);
  }

  /* ---------- Duck tooltip ---------- */
  #duck-tooltip {
    position: fixed;
    z-index: 200;
    pointer-events: none;
    background: var(--ink);
    color: var(--bg);
    border: 2px solid var(--accent);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 12px;
    line-height: 1.45;
    max-width: 240px;
    box-shadow: 0 4px 14px rgba(0,0,0,0.35);
    opacity: 0;
    transition: opacity 0.12s;
  }
  #duck-tooltip.visible { opacity: 1; }
  #duck-tooltip .tt-title {
    font-weight: bold;
    font-size: 13px;
    margin-bottom: 4px;
    color: #ffd089;
  }
  #duck-tooltip .tt-rule { margin-bottom: 6px; font-style: italic; }
  #duck-tooltip .tt-eval {
    border-top: 1px dotted rgba(255,255,255,0.25);
    padding-top: 5px;
    color: #f4ead5;
  }
  #duck-tooltip .tt-eval strong { color: #ffd089; }