@keyframes solutionFromPulse{0%{background:rgba(245,188,102,0.18);box-shadow:inset 0 0 0 0 rgba(181,106,39,0.15)}50%{background:rgba(245,188,102,0.52);box-shadow:inset 0 0 0 3px rgba(181,106,39,0.72)}100%{background:rgba(245,188,102,0.34);box-shadow:inset 0 0 0 2px rgba(181,106,39,0.55)}}@keyframes solutionToPulse{0%{background:rgba(129,191,141,0.16);box-shadow:inset 0 0 0 0 rgba(43,107,58,0.12)}50%{background:rgba(129,191,141,0.46);box-shadow:inset 0 0 0 3px rgba(43,107,58,0.78)}100%{background:rgba(129,191,141,0.28);box-shadow:inset 0 0 0 2px rgba(43,107,58,0.65)}}body.board-focus-mode .page{padding-top:12px}body.board-focus-mode .layout{gap:12px}body.board-focus-mode .puzzle{padding-top:16px}body.board-focus-mode .puzzle-header{margin-bottom:12px}.page{max-width:1200px;margin:0 auto;padding:32px 20px 24px}.session-info{background:var(--panel);border:1px solid var(--line);padding:6px 12px;border-radius:999px;font-size:12px;color:var(--muted);display:flex;justify-content:center;align-items:center;text-align:center}.layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px}.themes,.puzzle{background:var(--panel);border-radius:22px;padding:24px;border:1px solid var(--line);box-shadow:var(--shadow);min-width:0}.section-header,.puzzle-header{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:20px}.puzzle-header{margin-bottom:10px}.breadcrumb-nav{font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}.puzzle-header .breadcrumb-nav{margin-bottom:0}.breadcrumb-back{font-size:12px;padding:4px 10px;flex-shrink:0}.breadcrumb-nav a{color:inherit;text-decoration:none}.breadcrumb-nav a:hover{color:var(--accent-dark)}.actions{display:flex;gap:10px}.ghost{background:transparent;border:1px solid var(--line);padding:8px 14px;border-radius:999px;font-weight:600;cursor:pointer;color:var(--ink)}.primary{background:var(--accent);color:white;border:none;padding:10px 16px;border-radius:999px;font-weight:600;cursor:pointer}.primary:hover{background:var(--accent-dark)}.report-trigger{min-width:96px;padding-inline:12px;text-decoration:none}.training-feedback-entry{margin-top:auto;padding-top:12px;display:grid;gap:10px}.report-trigger:disabled,.report-form-actions .primary:disabled{opacity:0.5;cursor:not-allowed}.theme-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.theme-card{border:1px solid var(--line);border-radius:18px;padding:16px;background:#fffaf4;display:grid;gap:10px;cursor:pointer;transition:transform 0.2s ease,box-shadow 0.2s ease}.theme-card:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(31,29,26,0.1)}.theme-card .meta{color:var(--muted);font-size:13px}.meta{color:var(--muted)}.meta-link{text-decoration:none;cursor:pointer;transition:color 0.15s}.meta-link:hover{color:var(--accent-dark)}.meta-note{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.45}.turn-state{border:1px dashed var(--line);border-radius:12px;padding:10px 12px;color:var(--accent-dark);background:#fff6ea;font-weight:600}#retryMove{border-color:rgba(209,111,74,0.35);background:#fff5ef}.action-buttons .ghost,.playback-controls .ghost{width:100%;text-align:center}.solution-from-marker{background:radial-gradient(circle at center,rgba(181,106,39,0.7) 0%,rgba(181,106,39,0.36) 55%,rgba(181,106,39,0.1) 100%);box-shadow:inset 0 0 0 2px rgba(181,106,39,0.98);animation:solutionFromPulse 0.48s ease-out 1}.solution-to-marker{box-shadow:inset 0 0 0 3px rgba(43,107,58,0.98);animation:solutionToPulse 0.54s ease-out 1}.solution-capture-marker{box-shadow:inset 0 0 0 3px rgba(43,107,58,0.98);animation:solutionToPulse 0.54s ease-out 1}.icon-control{width:42px;height:42px;border-radius:50%;padding:0;font-size:18px;display:inline-flex;align-items:center;justify-content:center}.icon-toggle{width:30px;height:30px;border-radius:50%;padding:0;display:inline-flex;align-items:center;justify-content:center}.debug-hint{text-align:center;color:var(--accent-dark);font-size:13px;background:#fff4e7;border:1px dashed var(--line);border-radius:12px;padding:10px 12px}.move-row{display:grid;grid-template-columns:1fr 1fr;gap:8px}.move-chip{border:1px solid var(--line);border-radius:10px;padding:8px 10px;font-size:15px;background:#ffffff;color:var(--muted);font-weight:600;cursor:pointer}.move-chip.current{border-color:var(--accent-dark);color:var(--accent-dark);background:#fff1de;font-weight:600}.move-chip.pre-end{border-color:#c2392f;box-shadow:0 0 0 1px rgba(194,57,47,0.2)}.move-chip.empty{border-style:dashed;background:transparent;cursor:default}.move-solution{margin-top:8px;border:1px solid #9ed6ac;border-radius:10px;background:#eaf8ee;padding:10px;flex:1}.move-solution-title{font-size:12px;color:#2b6b3a;margin-bottom:8px;text-transform:uppercase;letter-spacing:0.08em}.solve-log{margin-top:8px;border:1px solid #b0c4de;border-radius:10px;background:#f4f7fb;padding:10px}.solve-log-title{font-size:12px;color:var(--muted);margin-bottom:8px;text-transform:uppercase;letter-spacing:0.08em}.solve-log-entry{display:flex;align-items:center;margin-bottom:2px}.move-chip.correct{background:#e8f5e9;border-color:#66bb6a;color:#1b5e20}.move-chip.wrong{background:#fde8e8;border-color:#e57373;color:#b71c1c;text-decoration:none}.move-chip.opponent{background:#f5f5f5;border-color:#bdbdbd;color:#616161;font-style:italic}.puzzle-start-marker{width:100%;text-align:center;font-size:12px;color:var(--accent-dark);margin:2px 0}.playback-controls{display:flex;gap:8px;justify-content:center}.game-info-card,.puzzle-info-card{background:#fffaf4;border:1px solid var(--line);border-radius:12px;padding:12px;font-size:13px;color:var(--ink);display:grid;gap:6px}.puzzle-info-card .meta-note{margin:0;font-size:12px}.puzzle-info-card .puzzle-prompt{margin:4px 0 0;padding-top:8px;border-top:1px solid var(--line);font-size:13px;font-weight:600;color:var(--ink)}.game-info-loading{color:var(--muted);font-style:italic;margin:0}.gi-matchup{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding-bottom:8px;border-bottom:1px dashed var(--line)}.gi-player{display:flex;align-items:center;gap:4px;font-weight:600;font-size:13px}.gi-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.gi-dot-red{background:#c0392b}.gi-dot-black{background:#2c3e50}.gi-name{word-break:break-all}.gi-rating{font-weight:400;font-size:11px;color:var(--muted);background:var(--panel);border-radius:4px;padding:1px 5px}.gi-vs{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:0.1em}.gi-row{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.gi-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:0.06em;flex-shrink:0}.gi-value{font-weight:500;text-align:right;word-break:break-word}.gi-row-id .gi-value a{color:var(--accent-dark);text-decoration:none}.gi-row-id .gi-value a:hover{text-decoration:underline}.puzzle-explain{background:#fff7ef;border-radius:12px;padding:12px;margin-top:12px;font-size:14px;color:var(--muted)}.puzzle-explain ul{margin:6px 0 0;padding-left:18px}.report-feedback{font-size:13px;line-height:1.5;color:var(--accent-dark);background:#fff6ea;border:1px solid var(--line);border-radius:12px;padding:10px 12px}.report-modal-backdrop{position:fixed;inset:0;background:rgba(26,21,16,0.48);display:grid;place-items:center;padding:20px;z-index:40}.report-modal-backdrop[hidden]{display:none}.report-modal{width:min(100%,520px);background:#fffdf9;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);padding:22px;display:grid;gap:18px}.report-modal-header{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.report-form{display:grid;gap:14px}.report-form label{display:grid;gap:8px;font-size:14px;color:var(--muted)}.report-form input,.report-form select,.report-form textarea{width:100%;border-radius:14px;border:1px solid var(--line);padding:12px 14px;font:inherit;color:var(--ink);background:white}.report-form textarea{resize:vertical;min-height:96px}.report-form-actions{display:flex;justify-content:flex-end}.report-modal-status{font-size:13px;line-height:1.5;color:var(--muted)}@media (max-width:600px){.section-header,.puzzle-header{flex-direction:column;align-items:flex-start}.playback-controls{flex-direction:column}.result-actions{flex-direction:column;align-items:stretch}.result-actions button{width:100%}}@media (max-height:860px){body.board-focus-mode .page{padding-top:8px;padding-bottom:16px}body.board-focus-mode .puzzle{padding:12px}body.board-focus-mode .puzzle-header{margin-bottom:8px}body.board-focus-mode .breadcrumb-nav{margin-bottom:4px}body.board-focus-mode .meta-note{display:none}body.board-focus-mode .turn-state,body.board-focus-mode .puzzle-explain{padding:10px}body.board-focus-mode .ghost,body.board-focus-mode .primary{padding:7px 12px}body.board-focus-mode .icon-control{width:38px;height:38px;font-size:16px}}@media (max-width:900px) and (max-height:780px){body.board-focus-mode .page{padding-left:12px;padding-right:12px;padding-bottom:12px}body.board-focus-mode .puzzle{padding:10px}body.board-focus-mode .puzzle-header{gap:8px}body.board-focus-mode .breadcrumb-nav{font-size:11px;letter-spacing:0.05em}body.board-focus-mode .action-buttons{grid-template-columns:repeat(2,minmax(0,1fr))}body.board-focus-mode .action-buttons .ghost:first-child:last-child,body.board-focus-mode .action-buttons .ghost:nth-last-child(1):nth-child(odd){grid-column:1 / -1}body.board-focus-mode .debug-hint{font-size:12px}}@media (max-width:600px) and (max-height:760px){body.board-focus-mode .section-header,body.board-focus-mode .puzzle-header{gap:6px}body.board-focus-mode .actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}body.board-focus-mode .actions .ghost,body.board-focus-mode .actions .primary{width:100%}}@media (max-width:600px){body.board-focus-mode .page{padding:6px 0 12px}body.board-focus-mode .puzzle{padding:8px 6px;border-radius:0;border-left:none;border-right:none}body.board-focus-mode .puzzle-header{padding:0 6px;margin-bottom:6px}}