:root{--color-bg:#f5f6f8;--color-surface:#fff;--color-text:#1f2430;--color-muted:#5b6472;--color-border:#d4d8e0;--color-primary:#2b5fd0;--color-primary-text:#fff;--color-danger:#c0392b;--color-success-bg:#e5f5ea;--color-success-border:#2e9e57;--color-success-text:#1e7a44;--color-error-bg:#fdecec;--color-error-border:#c0392b;--radius:6px;--space:1rem}*,:before,:after{box-sizing:border-box}body{background-color:var(--color-bg);color:var(--color-text);margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}:focus-visible{outline:3px solid var(--color-primary);outline-offset:2px}.app-main{max-width:960px;padding:var(--space);margin:0 auto}.app-header{background-color:var(--color-surface);border-bottom:1px solid var(--color-border)}.app-nav{max-width:960px;padding:0 var(--space);align-items:stretch;gap:1.5rem;min-height:3.25rem;margin:0 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var(--color-border);border-radius:var(--radius);min-width:7rem;padding:.5rem .9rem}.status-item dt,.statistics-item dt{text-transform:uppercase;letter-spacing:.04em;color:var(--color-muted);font-size:.75rem;font-weight:600}.status-item dd,.statistics-item dd{font-variant-numeric:tabular-nums;margin:0;font-size:1.25rem;font-weight:700}.statistics-list{grid-template-columns:repeat(auto-fit,minmax(6.5rem,1fr));display:grid}.statistics-item{flex-direction:column;justify-content:space-between;gap:.25rem;min-width:0;display:flex}.game-player{color:var(--color-muted);margin:0 0 .75rem}.game-hint-text{max-width:46rem;color:var(--color-muted)}.game-result{border-left:4px solid var(--color-primary);border-radius:var(--radius);background-color:var(--color-surface);padding:.6rem .9rem;font-weight:600}.game-actions{margin-top:calc(var(--space) * 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.piece-glyph{text-align:center;width:1.5rem;font-size:1.4rem;line-height:1}.piece-name{flex:1}.piece-position{color:var(--color-muted);font-size:.85rem}.player-avatar{border:1px solid var(--color-border);color:var(--color-muted);background-color:#e7ebf2;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-weight:700;line-height:1;display:inline-flex;overflow:hidden}.player-avatar-img{object-fit:cover;width:100%;height:100%;display:block}.player-avatar-sm{width:2rem;height:2rem;font-size:.75rem}.player-avatar-md{width:3rem;height:3rem;font-size:1rem}.player-avatar-lg{width:5rem;height:5rem;font-size:1.6rem}.avatar-editor{flex-direction:column;align-items:flex-start;gap:.5rem;display:flex}.avatar-preview-note{color:var(--color-muted);margin:0;font-size:.8rem}.file-picker{align-items:center;gap:.6rem;display:flex;position:relative}.file-picker input:focus-visible+.file-picker-button{outline:3px solid var(--color-primary);outline-offset:2px}.file-picker-name{text-overflow:ellipsis;white-space:nowrap;max-width:12rem;color:var(--color-muted);font-size:.85rem;overflow:hidden}.avatar-editor-actions{flex-wrap:wrap;gap:.5rem;display:flex}.profile-header{margin-bottom:calc(var(--space) * 2);padding:calc(var(--space) * 1.25);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:calc(var(--radius) * 2);grid-template-columns:auto 1fr;grid-template-areas:"avatar identity""avatar actions";align-items:start;gap:.75rem 2rem;display:grid;box-shadow:0 1px 3px #0f172a14}.profile-header .avatar-editor{grid-area:avatar}.profile-identity{grid-area:identity}.profile-name{margin:0;font-size:1.5rem;font-weight:700}.profile-email{color:var(--color-muted);overflow-wrap:anywhere;margin:.15rem 0 0}.profile-header .view-actions{flex-wrap:wrap;grid-area:actions;align-self:end}@media 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.5rem;padding:0;list-style:none;display:flex}.podium-player{text-align:center;flex-direction:column;align-items:center;gap:.15rem;display:flex}.podium-medal{font-size:1.75rem;line-height:1}.podium-avatar{object-fit:cover;border:1px solid var(--color-border);border-radius:50%;width:2.5rem;height:2.5rem}.podium-name{overflow-wrap:anywhere;font-weight:600}.podium-rating{color:var(--color-muted);font-variant-numeric:tabular-nums;font-size:.85rem}.podium-block{border:1px solid var(--color-border);border-radius:var(--radius) var(--radius) 0 0;border-bottom:none;justify-content:center;width:100%;padding-top:.5rem;font-size:1.75rem;font-weight:800;display:flex}.podium-place-1 .podium-block{color:#6b4e00;background-color:#fff1c7;border-color:#e6c35c;height:7rem}.podium-place-2 .podium-block{height:5rem;color:var(--color-muted);background-color:#eef1f6;border-color:#c4ccd8}.podium-place-3 .podium-block{color:#6e4425;background-color:#f6e7dc;border-color:#d9b394;height:3.75rem}@media 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